Agenda, regular meeting, second session — San Bruno City Council, January 24, 2023 (part 7 of 8)

Impact HYD-5: The project would not conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan. (Less than Significant Impact)
Water Quality Control
As discussed under Impact HYD-1, future development under the Housing Element Update would comply with the City’s Post-Construction Urban Runoff Policy 6-29 and Provision C.3 of the RWQCB Municipal Regional NPDES Permit requirements, and would implement the City’s standard permit conditions addressing construction- and operational-related surface runoff quality.

Thus, the Housing Element Update would not conflict with or obstruct implementation of the San Francisco Bay Basin Plan.

Groundwater Management Plan
All of the Housing Opportunity Sites are located in the Westside subbasin of the San Francisco Bay groundwater basin. The Westside subbasin has not been identified as a medium- or high-priority groundwater basin by the California Department of Water Resources; as such, a Groundwater Sustainability Plan does not need to be prepared for the subbasin per the requirements of the Sustainable Groundwater Management Act. Therefore, the Housing Element Update would not conflict with a sustainable groundwater management plan.

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4.11 LAND USE AND PLANNING

4.11.1 Environmental Setting

4.11.1.1 Regulatory Framework
Regional and Local
Plan Bay Area 2050
Plan Bay Area 2050 is a long-range plan for the nine-county San Francisco Bay Area that provides strategies that increase the availability of affordable housing, support a more equitable and efficient economy, improve the transportation network, and enhance the region’s environmental resilience.

Plan Bay Area 2050 promotes the development of a variety of housing types and densities within identified Priority Development Areas (PDAs). PDAs are areas generally near existing job centers or frequent transit that are locally identified for housing and job growth.107 ABAG allocates regional housing needs to each city and county within the San Francisco Bay Area, based on statewide goals. These allocations are designed to lay the foundation for Plan Bay Area 2050’s long-term envisioned growth pattern for the region. ABAG also develops a series of forecasts and models to project the growth of population, housing units, and jobs in the Bay Area. ABAG, MTC, and local jurisdiction planning staff created the Forecasting and Modeling Report, which is a technical overview of the of the growth forecasts and land use models upon which Plan Bay Area 2050 is based.

City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating land use and planning impacts resulting from planned development within the City including the following:

Policies Description
LUD-4 Strengthen residential integrity in viable neighborhoods within the city’s Redevelopment Area by eliminating incompatible uses and by facilitating upgrading of deteriorated structures.

LUD-16 Promote new housing and mixed-use development within Downtown to provide a larger market base for neighborhood retail shops. Establish pedestrian connections between retail fronting San Mateo Avenue and housing on the back half of blocks.

LUD-40 Promote high-intensity multi-use development along El Camino Real. Limit retail development to those sites north of Crystal Springs Road reinforcing existing retail activity in Downtown and/or The Shops at Tanforan/Towne Center.

LUD-47 Allow high-intensity mixed-use development including retail, offices, services, and housing along San Bruno Avenue, between Elm Avenue and Huntington Avenue.

HS-40 Prohibit new residential development within the 70+ Airport CNEL areas, as dictated by Airport Land Use Commission infill criteria.
107 Association of Bay Area Governments and Metropolitan Transportation Commission. Plan Bay Area 2050.

October 21, 2021.

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Policies Description
HS-42 Require new residential development within the 65 dBA CNEL SFO noise contour to submit an avigation easement to the airport. Specific avigation easement requirements shall be consistent with the County of San Mateo Comprehensive Airport-Land Use Compatibility Plan for SFO.

HS-51 Require all new development to comply with FAR Part 77 height restriction standards, in accordance with Airport Land Use Commission guidelines.

Bayhill Specific Plan
Various policies in the Bayhill Specific Plan have been adopted for the purpose of avoiding or mitigating land use impacts resulting from planned development within the Bayhill Specific Plan area, including the following:

Policies Description
2-2 Allocate New Development According to Land Use Objectives and Site Feasibility.

Development is allocated on a parcel-by-parcel basis, per Table 2-2, to support significant increases in Bayhill’s regional office and hotel space, and to allow new housing development. Individual parcels are allocated amounts of development according to site conditions and other factors as described in the Specific Plan, consistent with the overall amount of development evaluated by the Bayhill Specific Plan EIR. The maximum FAR of any individual parcel shall be 2.0.
2-8 Allow Housing Development along San Bruno Avenue. The Bayhill Residential Overlay (BR) designation is established to allow for residential uses along San Bruno Avenue on the entire site at 801-851 Traeger Avenue and on 3.95 acres of the 1111 Bayhill Drive site, Parcels 4 and 13 on Figure 2-2. The BR Designation allows for up to 363 dwelling units.

As indicated by Table 2-2, a maximum of 205 units are allowed for 801-851 Traeger and a maximum of 158 units are allowed for 1111 Bayhill. When residential square footage is developed on these parcels, the Office Development square footage permitted on these parcels shall be reduced using the conversion factors listed in Table 2-3. 2-9 Create a Residential Frontage along San Bruno Avenue. New residential development along San Bruno Avenue in the Residential Overlay shall be in the form of standalone buildings that are residential-only – separate in terms of siting and program from any onsite office buildings. Residential development shall be oriented to face San Bruno Avenue, as well as Traeger and/or Elm Avenues as appropriate, and feature front porches, stoops, and other features that complement single family residences to the south and create a transition to Bayhill’s office development.
2-15 Ensure Flexibility and Resiliency. Buildings and site improvements must be designed to be flexible enough to accommodate potential changes in ownership and changing economic, environmental and social conditions. This includes changes in occupancy, as well as modifications needed to adapt to changes in energy supply and other unforeseen circumstances. Highly-customized or branded building and site designs are discouraged in favor of facilities that can be used by a variety of types of enterprises, and can be modified as needed over time. If the City approves a development project with shared facilities that cross property lines or are shared across adjacent properties, such as above or below grade pedestrian or vehicle connections, the City shall ensure through conditions of approval that DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 174 Initial Study
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Policies Description
these facilities can be modified or removed as needed in the future to accommodate property(s) ownership changes.
2-16 Ensure Self Sufficient Development Phases. Individual phases of development shall be functionally and aesthetically self-sufficient when completed, and allow for efficient occupancy and functioning of remaining Specific Plan Area buildings, parking facilities, and infrastructure.
2-19 Ensure SFPUC-Related Development Review. Project applicants for new development shall submit conceptual design plans for work within or adjacent to SFPUC easements, including construction methods for protecting SFPUC water transmission pipelines, to the SFPUC for review and consent to the extent required under applicable SFPUC authority. 2-20 Ensure Compliance with Comprehensive Airport Land Use Compatibility Plan Policies Related to Building Permits for the Environs of San Francisco International Airport. Prior to building permit issuance, applicants of development projects within the Specific Plan Area that would exceed the FAA notification height, thirty feet in 2021, must either file the applicable Forms with the FAA and provide to the City of San Bruno an FAA determination of no hazard or air navigation finding, or provide evidence that the project is exempt from this requirement. Additionally, all properties that are offered for sale or lease shall comply with all real estate disclosure requirements required by applicable Comprehensive Airport Land Use Compatibility Plan Policy.

Grand Boulevard Initiative
San Bruno is participating in the Grand Boulevard Initiative (GBI), a collaboration of 19 cities, the counties of San Mateo and Santa Clara, local and regional agencies, private business, labor and environmental organizations united to improve the performance, safety and aesthetics of El Camino Real on the Peninsula from Daly City to downtown San Jose.

Participating cities are encouraged to design for neighborhoods that include high quality building designs and diverse land uses, preserve historic buildings and places, and enhance our economic and cultural diversity, with the broad involvement of residents, workers and local businesses. Rail stations and bus facilities are valued not only as vital transportation services, but as public gathering places and assets to spur transit-oriented development. Guiding principles of the GBI include:

1. Targets housing and job growth in strategic areas along the corridor

2. Encourage compact mixed-use development in high quality urban design and construction

3. Create a pedestrian-oriented environment and improve streetscapes, ensuring full access to and between public areas and private developments

4. Develop a balanced multimodal corridor to maintain and improve mobility of people and vehicles along the corridor

5. Manage parking assets

6. Provide vibrant public spaces and gathering places

7. Preserve and accentuate unique and desirable community character and the existing quality of life in adjacent neighborhoods

8. Improve safety and public health

9. Strengthen pedestrian and bicycle connections with the corridor DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 175 Initial Study
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10. Pursue environmentally sustainable and economically viable development patterns

4.11.1.2 Existing Conditions
General Plan and Municipal Code Conforming Sites
Residential development at the densities proposed by the Housing Element Update (refer to Table

3.2-1) are allowed at Housing Opportunity Sites 6, 8, 10, 16, 18, and 19 under their existing General Plan land use designation and zoning designation, and therefore no General Plan amendments or rezoning is required. The existing conditions at these sites related to land use and planning are discussed below.

Housing Opportunity Site 6
Housing Opportunity Site 6 is currently developed with multiple uses, including a privately operated golf driving range, parking lot storage for a private bus operator, and a maintenance building for the San Bruno Park School District. Site 6 has a General Plan land use designation of Low Density Residential and is zoned R-1. The site is bordered by I-280 to the northeast, open space (Crestmoor Canyon) to the south consisting of forest lands and San Bruno Creek, a mix of forest with one-story and two-story residential housing (Quail Point) to the west, and two gas stations located to the north across Sneath Lane.

Housing Opportunity Site 8
Housing Opportunity Site 8 is currently developed with the former Edgemont Elementary School campus. Site 8 has a General Plan land use designation of Low Density Residential and is zoned R-1.

Site 8 is located in an urbanized area surrounded on all sides by one-story single-family residential development.

Housing Opportunity Sites 10 and 16
Housing Opportunity Sites 10 and 16 are vacant dirt lots that are located adjacent to each other on San Marco Avenue. Sites 10 and 16 have a General Plan land use designation of Low Density Residential and are zoned R-2. The sites are located in an urbanized area developed with mostly single-family residential development and various commercial uses along the El Camino Real corridor to the immediate west of the sites.

Housing Opportunity Site 18
Housing Opportunity Site 18 is developed with a medical office building. Site 18 has a General Plan land use designation of High-Density Residential and is zone P-D. Commercial uses are present to the north and south along El Camino Real, and multi-family residential developments and the Marine Corps Reserve Center are located west of the project site.

Housing Opportunity Site 19
Housing Opportunity Site 19 is developed with a single-story commercial building and surface parking lot. Site 19 has a General Plan land use designation of Multi-Use Residential Focus and is zoned C-N. The Shops at Tanforan development is located to the east, commercial uses are present to DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 176 Initial Study
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the north and south along El Camino Real, and multi-family residential developments and the Marine Corps Reserve Center are located to the west.

Transit Corridors Plan Area Sites
As discussed in Section 3.1.1.1, Housing Opportunity Sites 1, 2, 4, 5, 7, 9, 11, 12, 15, 17, 20, 21, 22, and 23 are located within the TCP area. The TCP area is fully urbanized and characterized by diverse land uses, building forms, parcel sizes and surface parking lots. All of the TCP sites have a General Plan Designation of Transit Oriented Development. The site area zoned a mix of TOD-1, TOD-2, and CBD.

Bayhill Specific Plan Area Sites
As discussed in Section 3.1.1.2, Housing Opportunity Sites 3 and 13 are located within the urbanized Bayhill Specific Plan area. The Bayhill Specific Plan area is approximately 92.2 acres in size and encompasses the Bayhill Office Park, Bayhill Shopping Center, and Marriott Courtyard Hotel.

Existing uses adjacent to the Bayhill Specific Plan area include low-density residential neighborhoods to the south; small-scale local retail uses, hotels, and single-family residential to the east alongside and beyond El Camino Real; a mix of public parks, high-density residential neighborhoods, and public uses to the north, separated from the Specific Plan area by I-380; and residential uses to the west, separated from the Specific Plan area by I-280.

Housing Opportunity Site 14
Housing Opportunity Site 14 consists of 1122-1188 El Camino Real/300 Tanforan Shopping Center (APNs: 014-316-240; -300; -330; -360), which is developed with the Shops at Tanforan shopping mall, and 1292 Huntington Avenue (APN: 014-311-060), which is located opposite the Shops at Tanforan across the Sneath Lane/Huntington Avenue intersection and is developed with a vacant paved lot. Site 14 has a General Plan land use designation of Regional Commercial and is zoned P-D.

Site 14 is located within a heavily urbanized area and is surrounded by single-family residential development to the east and south, multi-family residential and commercial uses and the Marine Corps Reserve Center to the west, and a wide variety of development to the north, including the San Bruno Towne Center retail plaza, hotels, movie theatres, and other commercial and retail uses.

4.11.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant with
Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
1) Physically divide an established community?
2) Cause a significant environmental impact due
to a conflict with any land use plan, policy, or
regulation adopted for the purpose of avoiding
or mitigating an environmental effect?
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Impact LU-1: The project would not physically divide an established community. (Less than Significant Impact)
A physical division of an established community typically refers to the construction of a physical feature (such as a wall, roadway, or railroad tracks) or the removal of a means of access (such as a local roadway or bridge) that would impair mobility within an existing community or between communities. Implementation of the Housing Element Update would facilitate new residential development in order to meet the City’s RHNA allocation. Future residential development under the Housing Element Update would occur primarily on sites either already developed and underutilized, or in close proximity to existing development. As a result, implementation of the Housing Element Update would not divide an established community. As discussed in Section 4.11.1.2, all of the Housing Opportunity Sites are located in developed areas and adjacent to existing residential development and a wide variety of commercial and retail uses. While future development under the Housing Element Update may require improvements to existing roadways and infrastructure, these improvements would likely serve to improve connectivity. In addition, there are several policies in the General Plan that serve to prevent new development from dividing existing uses (refer to Section

4.11.1.1), with adherence to these General Plan policies, implementation of the Housing Element Update would not divide an established community.

Impact LU-2: The project would not cause a significant environmental impact due to a conflict with any land use plan, policy, or regulation adopted for the purpose of avoiding or mitigating an environmental effect. (Less than Significant Impact with Mitigation Incorporated)
Conflicts of a project with land use policies do not, in and of themselves, constitute significant environmental impacts. Policy conflicts are considered environmental impacts only when the policies themselves were adopted for the purpose of avoiding or mitigating an environmental effect. Such conflicts constitute significant environmental impacts only when the resulting direct environmental effects are significant.

Plan Bay Area 2050
Plan Bay Area 2050 aims to ensure that the Bay Area is affordable, connected, diverse, healthy, and vibrant for all. The Housing Element Update addresses the City’s regional housing needs allocation upon which Plan Bay Area 2050 is based; therefore the project directly supports implementation of Plan Bay Area 2050. Additionally, Plan Bay Area 2050 identifies Growth Geographies to guide where future growth in housing and jobs will be focused over the next 30 years. These geographies are identified for growth because of their proximity to transit or access to opportunity. All of the Housing Opportunity Sites (with the exception of Sites 6 and 8) are located within a Priority Development Area.108 As previously discussed in Section 4.11.1.1, PDAs are areas located near existing job centers and transit. Future development of the Housing Opportunity Sites with residential uses in Priority Development Areas would be consistent with the key objectives of Plan 108 Metropolitan Transportation Commission. Plan Bay Area 2050 Growth Geographies. Accessed October 11, 2022. https://mtc.maps.arcgis.com/apps/webappviewer/index.html?id=af347b881594468a94ea85a67e972679 DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 178 Initial Study
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Bay Area 2050. By locating housing near existing jobs and transit, the project would also promote the reduction of GHG emissions. Therefore, implementation of the Housing Element Update would not conflict with Plan Bay Area 2050. (Less than Significant Impact) San Mateo County Comprehensive Airport Land Use Plan
As discussed in Section 4.9.1.1, the ALUCP outlines the types of land uses that are compatible with the SFO. The determination of consistency of the project with the ALUCP considers issues such as general compatibility, noise, safety, height. Pursuant to State law, when a general plan amendment and/or zoning amendment is proposed within Airport Influence Area (AIA) Area B of an adopted Comprehensive Land Use Plan, a referral must be made to the San Francisco Airport Land Use Commission for a consistency determination. Residential uses are permitted at all of the Housing Opportunity Sites under the ALUCP, with the exception of Sites 14 and 19 due to conflicts with the noise compatibility policies provided therein. The following discussions analyze whether any conflicts with the ALUCP would result in a significant impact on the environment as a result of the Housing Element Update.

Safety
Sites 15 and 21 are located in Safety Compatibility Zone 3, and Site 14 is located in Safety Compatibility Zone 4. The remaining Housing Opportunity Sites are not located in any safety compatibility zones. Pursuant to ALUCP Table IV-2, Safety Compatibility Criteria, residential uses are compatible in Safety Zones 3 and 4. Therefore, the Housing Element is consistent with the ALUCP safety policies.

Noise
As discussed in Section 2.5.3, Housing Opportunity Sites 14 and 19 are located within the 70-75 dB CNEL noise contour and are not zoned for residential use. Residential land uses are considered incompatible with 70-75 dB CNEL noise contour by the ALUCP if they were not zoned for residential use when the current ALUCP went into effect (November 8, 2012).

Future residential development at Sites 14 and 19 would be required by the California Building Standards Code (Title 24), ALUCP (Policy NP-4) and San Bruno General Plan (Policy HS-35) to achieve an interior noise level of 45 dB CNEL or less. For residential structures exposed to aircraft noise above CNEL 60 dB, Title 24, Part 2 of the California Building Standards Code requires an acoustical analysis to demonstrate compliance with this requirement. Although Sites 14 and 19 are located in the 70-75 dB CNEL contour and development of housing on these sites would require a Local Agency Override of the ALUCP (refer to the discussion in Section 2.5.3), the Noise and Vibration Assessment (refer to Appendix B and the discussion under Impact NOI-3 in Section 4.13 of this Initial Study) determined that future residential development at Sites 14 and 19 would be able to achieve a 45 dB CNEL interior as required by Airport Land Use Compatibility Policy NP-4 and General Plan Policy HS-35. Furthermore, Title 24 and General Plan Policy HS-35 would prohibit the issuance of occupancy permits for residential development that would expose future residents to an interior noise level of greater than 45 dB CNEL. Accordingly, the Housing Element Update’s inconsistency with the noise compatibility policies provided in the ALUCP would not result in a significant effect on future residents of Sites 14 and 19.

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Height Limitations
Existing height restrictions of 50 feet AGL (up to a maximum of 90 feet AGL feet for sites located in the TCP area) for future development on the Housing Opportunity Sites (with the exception of Site 14, which has a height restriction of 126 feet and nine inches AMSL pursuant to Ordinance 1446) would ensure building heights would not exceed critical aeronautical surfaces.

The critical aeronautical surfaces at Site 14 range between 55 to 90 feet AGL, equivalent to 125 to 145 feet AMSL. Building heights at Site 14 are limited to 126 feet, nine inches AMSL by Ordinance 1446 (refer to Section 4.9.1.1). Because the 2023-2031 Housing Element is a policy document and not a specific development proposal, the airspace compatibility policies of the ALUCP do not directly apply. However, future building heights at the Housing Opportunity Sites (including Site 14) would be required to comply with SFO Policy AP-3, which states that building heights must be the “lower of (1) the height shown on the SFO critical aeronautical surfaces map (Exhibits IV-17 and IV18), or (2) the maximum height determined not to be a “hazard to air navigation” by the FAA in an aeronautical study prepared pursuant to the filing of Form 7460-1.” The use of construction equipment (such as building cranes) or the construction of buildings with heights in excess of 55 feet AGL could pose a safety hazard to construction workers and future residents. With the implementation of mitigation measure MM HAZ-5.1 (refer to discussion under Impact HAZ-5 in Section 4.9 of this Initial Study), construction equipment would not penetrate critical aeronautical surfaces, and no buildings would be constructed that exceed critical aeronautical surfaces or would result in a hazard to air navigation according to the FAA. Accordingly, implementation of the Housing Element as amended by MM HAZ-5.1 would ensure that future residential development at Site 14 would not result in a safety hazard for future workers or residents within the project area. (Less than Significant Impact with Mitigation Incorporated) General Plan and Municipal Code
Implementation of the Housing Element Update would facilitate new residential development in order to meet the City’s RHNA allocation. As set forth by state law, the General Plan serves as the primary planning document for the City and all subordinate documents and plans are required to be consistent with the General Plan.

Housing Opportunity Site 14 would require a General Plan Amendment and rezoning in order to complete buildout of the Housing Element Update, as described in Section 3.2.2. At this time, the specific land use designation and zoning district for which a General Plan Amendment and rezoning of Site 14 would be required is not known; as such, this Initial Study analyzes the reasonably foreseeable redevelopment of Site 14 with up to 1,000 residential units. The anticipated future amendment of Site 14’s land use designation and zoning district would be evaluated for potential environmental impacts to confirm whether the General Plan Amendment and rezoning are consistent with the conclusions of this Initial Study/MND or whether supplemental CEQA review would be required.

As discussed and analyzed throughout this Initial Study, future redevelopment of the Housing Opportunity Sites, including Site 14 with up to 1,000 residential units, would not result in a significant environmental impact (with mitigation incorporated) due to a conflict with any land use DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 180 Initial Study
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plan, policy, or regulation adopted for the purpose of avoiding or mitigating an environmental effect. (Less than Significant Impact with Mitigation Incorporated) Grand Boulevard Initiative
Future development of Sites 1, 2, 4, 5, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 with residential uses in proximity to the San Bruno Bay Area Rapid Transit (BART) station, Peninsula Corridor Joint Powers Board (Caltrain) station, and El Camino Real would be consistent with the guiding principles of the GBI (refer to Section 4.11.1.1). Accordingly, the Housing Element Update would not result in a significant environmental impact due to a conflict with the GBI. (Less than Significant Impact)
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4.12 MINERAL RESOURCES

4.12.1 Environmental Setting

4.12.1.1 Regulatory Framework
State
Surface Mining and Reclamation Act
The Surface Mining and Reclamation Act (SMARA) was enacted by the California legislature in 1975 to address the need for a continuing supply of mineral resources, and to prevent or minimize the negative impacts of surface mining to public health, property, and the environment. As mandated under SMARA, the State Geologist has designated mineral land classifications in order to help identify and protect mineral resources in areas within the state subject to urban expansion or other irreversible land uses which would preclude mineral extraction. SMARA also allowed the State Mining and Geology Board (SMGB), after receiving classification information from the State Geologist, to designate lands containing mineral deposits of regional or statewide significance.

California Geological Survey
As mandated by SMARA, the CGS has classified lands within the San Francisco-Monterey Bay region into Mineral Resource Zones (MRZs) based on the California State Mining and Geology Board guidelines. Areas with an MRZ-1 designation have sufficient information available indicating that there is little to no likelihood of significant mineral deposits. MRZ-2 areas are those where adequate information indicates that significant deposits are present. Areas classified as MRZ-3 contain mineral deposits, but their significance cannot be evaluated from available data. Areas are classified as MRZ-4 where available information is inadequate for assignment to any other MRZ category.109

4.12.1.2 Existing Conditions
The City of San Bruno west of Highway 101 and east of I-280 is classified as MRZ-1. Upland areas between I-280 and Skyline Boulevard are classified as MRZ-3 for deposits of Merced Formation sand and gravel. All of the Housing Opportunity Sites with the exception of Site 6 are located west of Highway 101 and east of I-280. Site 6 is located between I-280 and Skyline Boulevard. There are no known mineral resources or resource recovery sites present at any of the Housing Opportunity Sites except Site 6, which contains Merced formation sand and gravel. 109 City of San Bruno. San Bruno General Plan Draft Environmental Impact Report. December 2008.

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4.12.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
1) Result in the loss of availability of a known
mineral resource that would be of value to the
region and the residents of the state?
2) Result in the loss of availability of a locally
important mineral resource recovery site
delineated on a local general plan, specific
plan, or other land use plan?

4.12.2.1 Mineral Resources Analysis
As documented in Section 4.12.1.2, there are no known mineral resources or resource recovery sites present at any of the Housing Opportunity Sites with the exception of Site 6, which is located on Merced Formation sand and gravel. Site 6 has never been used a mineral resource recovery site, nor delineated as a locally important mineral resource recovery site in the General Plan, and is planned for residential uses in the current General Plan, and future residential development at Site 6 would not lead to the loss of locally important sand and gravel present in the site’s subsurface. Accordingly, future development under the Housing Element Update would have no impact on mineral resources. □
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4.13 NOISE AND VIBRATION
The following discussion is based, in part, on a Noise and Vibration Assessment prepared for the Housing Element Update by Illingworth & Rodkin, Inc. A copy of this report, dated September 2022, is attached to this Initial Study as Appendix B.

4.13.1 Environmental Setting

4.13.1.1 Background Information
Noise
Factors that influence sound as it is perceived by the human ear, include the actual level of sound, period of exposure, frequencies involved, and fluctuation in the noise level during exposure. Noise is measured on a decibel scale, which serves as an index of loudness. The zero on the decibel scale is based on the lowest sound level that the healthy, unimpaired human ear can detect. Each 10 decibel increase in sound level is perceived as approximately a doubling of loudness. Because the human ear cannot hear all pitches or frequencies, sound levels are frequently adjusted or weighted to correspond to human hearing. This adjusted unit is known as the A-weighted decibel, or dBA.

Since excessive noise levels can adversely affect human activities and human health, federal, state, and local governmental agencies have set forth criteria or planning goals to minimize or avoid these effects. Noise guidelines are generally expressed using one of several noise averaging methods, including Leq, DNL, or CNEL.110 These descriptors are used to measure a location’s overall noise exposure, given that there are times when noise levels are higher (e.g., when a jet is taking off from an airport or when a leaf blower is operating) and times when noise levels are lower (e.g., during lulls in traffic flows on freeways or in the middle of the night). Lmax is the maximum A-weighted noise level during a measurement period.

Vibration
Ground vibration consists of rapidly fluctuating motions or waves with an average motion of zero.

Vibration amplitude can be quantified using Peak Particle Velocity (PPV), which is defined as the maximum instantaneous positive or negative peak of the vibration wave. PPV has been routinely used to measure and assess ground-borne construction vibration. Studies have shown that the threshold of perception for average persons is in the range of 0.008 to 0.012 inches/second (in/sec) PPV.
110 Leq is a measurement of average energy level intensity of noise over a given period of time. Day-Night Level (DNL) is a 24-hour average of noise levels, with a 10 dB penalty applied to noise occurring between 10:00 PM and 7:00 AM. Community Noise Equivalent Level (CNEL) includes an additional five dB applied to noise occurring between 7:00 PM and 10:00 PM. Where traffic noise predominates, the CNEL and DNL are typically within two dBA of the peak-hour Leq.

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4.13.1.2 Regulatory Framework
Federal and State
Federal Transit Administration Vibration Limits
The Federal Transit Administration (FTA) has developed vibration impact assessment criteria for evaluating vibration impacts associated with transit projects. The FTA has proposed vibration impact criteria based on maximum overall levels for a single event. The impact criteria for groundborne vibration are shown in Table 4.13-1 below. These criteria can be applied to development projects in jurisdictions that lack vibration impact standards.

Table 4.13-1: Groundborne Vibration Impact Criteria
Land Use Category
Groundborne Vibration Impact Levels
(VdB inch/sec)
Frequent
Event
Occasional
Events
Infrequent
Events
Category 1: Buildings where vibration would interfere
with interior operations 65 65 65
Category 2: Residences and buildings where people
normally sleep 72 75 80
Category 3: Institutional land uses with primarily
daytime use 75 78 83
Source: Federal Transit Administration. Transit Noise and Vibration Assessment Manual. September 2018.

California Building Standards Code
The CBC establishes uniform minimum noise insulation performance standards to protect persons within new buildings housing people, including hotels, motels, dormitories, apartments, and dwellings other than single-family residences. Title 24 mandates that interior noise levels attributable to exterior sources do not exceed 45 Ldn/CNEL in any habitable room. Exterior windows must have a minimum Sound Transmission Class (STC) of 40 or Outdoor-Indoor Transmission Class (OITC) of 30 when the property falls within the 65 dBA DNL noise contour for a freeway or expressway, railroad, or industrial source.

Regional and Local
San Mateo County Comprehensive Airport Land Use Plan
The ALUCP for the Environs of the SFO, prepared by the C/CAG, is a State-mandated land use compatibility plan that addresses the compatibility of surrounding land uses in local jurisdictions with airport operations.

Noise compatibility policies described within the ALUCP are intended to minimize the exposure of residents and occupants of future noise-sensitive development to excessive noise. CNEL noise DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 185 Initial Study
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contours identify areas where noise exposure is great enough to warrant land use controls to promote noise compatibility. The ALUCP includes forecasted 2015 and 2020 CNEL noise contours. Included in the ALUCP are policies and standards to protect people living in the vicinity of SFO from the effects of aircraft noise. Policy NP-2, Airport/Land Use Compatibility Criteria, establishes criteria to determine the compatibility of proposed land uses in the Airport Noise Compatibility Zones.

Residential uses are compatible with noise levels below 65 dB, conditionally compatible with noise levels between 65 and 70 dB, and generally incompatible with noise levels in excess of 70 dB.

Residential uses are considered conditionally compatible in areas within the 70-75 dB CNEL noise contour only if the proposed use is on a lot of record zoned for residential use as of the effective date of the ALUCP. Residential uses are considered incompatible in areas within the 70-75 dB CNEL noise contour if they were not zoned for residential use when the ALUCP went into effect or if they are located in a 75 dB CNEL or greater noise contour.

City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating noise and vibration impacts resulting from planned development within the City including the following:

Policies Description
ERC-3 Protect natural vegetation in park, open space, and scenic areas as wildlife habitat, to prevent erosion, and to serve as noise and scenic buffers.

HS-F Protect the health and comfort of residents by reducing the impact of noise from automotive vehicles, San Francisco International Airport, railroad lines, and stationary sources.

HS-G Ensure that all development heeds safety precautions from the San Francisco International Airport.

HS-32 Encourage developers to mitigate ambient noise levels adjacent to major noise sources by incorporating acoustical site planning into their projects. Utilize the City‘s Building Code to implement mitigation measures, such as:
• Incorporating buffers and/or landscaped berms along high-noise roadways or railways;
• Incorporating traffic calming measures and alternative intersection design within and/or adjacent to the project;
• Using reduced-noise pavement (rubberized asphalt); and • Incorporating state-of-the-art structural sound attenuation measures.

HS-33 Prevent the placement of new noise sensitive uses unless adequate mitigation is provided.

Establish insulation requirements as mitigation measures for all development, per the standards in Table 7-1.

HS-35 Require developers to comply with relevant noise insulation standards contained in Title 24 of the California Code of Regulations (Part 2, Appendix Chapter 12A).

HS-36 Encourage developers of new residential projects to provide noise buffers other than sound walls, such as vegetation, storage areas, or parking, as well as site planning and locating bedrooms away from noise sources.

HS-37 Require that all sponsors of new housing (residential and senior housing units) record a notice of Fair Disclosure, regarding the proximity of the proposed development to San DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 186 Initial Study
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Policies Description
Francisco International Airport and of the potential impacts of aircraft operation, including noise impacts, per Ordinance 1646 and AB 2776.

HS-38 Require developers to mitigate noise exposure to sensitive receptors from construction activities. Mitigation may include a combination of techniques that reduce noise generated at the source, increase the noise insulation at the receptor, or increase the noise attenuation rate as noise travels from the source to the receptor.

HS-39 Pursue mitigation of noise impacts from the San Francisco International Airport to the fullest extent possible. Support and advocate for operational practices, changes to aircraft, new technologies, and physical improvements that would reduce the area in San Bruno impacted by aircraft noise.

HS-40 Prohibit new residential development within the 70+ Airport CNEL areas, as dictated by Airport Land Use Commission infill criteria.

HS-41 Encourage SFO Airport authorities to undertake noise abatement and mitigation programs that are based not only on the airport’s noise contour maps, but that consider other factors such as the frequency of over-flights, altitude of aircraft, and hours of operation.

HS-42 Require new residential development within the 65 dBA CNEL SFO noise contour to submit an avigation easement to the airport. Specific avigation easement requirements shall be consistent with the County of San Mateo Comprehensive Airport-Land Use Compatibility Plan for SFO.

HS-42 Require new residential development within the 65 dBA CNEL SFO noise contour to provide an avigation easement to the airport prior to issuing occupancy permits.

HS-43 Allow reasonable latitude for noise generated by uses that are essential to community health, safety, and welfare, such as emergency vehicle operations and sirens.

HS-44 Adopt traffic mitigations – including reduced speed limits, improved paving texture, and traffic signal controls – to reduce noise in areas where residential development may front on high-traffic arterials, such as El Camino Real.

HS-45 Where feasible and appropriate, develop and implement noise reduction measures when undertaking improvements, extensions, or design changes to San Bruno streets.

HS-46 Encourage transit vehicles to develop and apply noise reduction technologies to reduce the noise and vibration impacts of Caltrain, BART and bus traffic.

HS-47 Enforce Vehicle Code noise emission standards, as well as provisions which prohibit alteration of vehicular exhaust systems in ways that increases noise levels.

HS-49 Actively and aggressively participate in forums and discussions regarding operations and expansion plans for San Francisco International Airport. Seek local representation on task forces, commissions, and advisory boards established to guide airport policies and programs.

LUD-31 Develop a green buffer along Huntington Avenue, as illustrated in Figure 2-7 to buffer residents from BART and Caltrain activities.

T-G Protect residential areas from congestion and associated noise resulting from BART and Caltrain spillover traffic.

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City of San Bruno Municipal Code
Regulations pertaining to permitted noise levels and operational hours associated with construction as well as acceptable noise levels from stationary sources are provided in the San Bruno Municipal Code. Relevant portions of the Municipal Code regarding noise and hours of operation include:
• Title 6 “Public Peace, Morals, and Welfare”, Chapter 6.16 “Noise Regulations” Ambient noise levels in residential zones are limited to 45 decibels from 10 p.m. to seven a.m. and 60 decibels from seven a.m. to 10 p.m. Noise levels exceeding the ambient base level by more than 10 decibels is a violation, except during the period seven a.m. to 10 p.m. where the ambient base level may be exceeded by 20 decibels for a period not to exceed 30 minutes during any 24 hour period. Construction noise levels are not permitted to exceed 85 decibels as measured at 100 feet, or exceed between the hours of 10 p.m. and seven a.m. a noise level of 60 decibels as measured at 100 feet without a permit from the Director of Public Works.
• Title 12 “Land Use”, Article I. “Excavation and Grading”, Chapter 12.16 “Grading Regulations”
All grading and noise therefrom, including but not limited to, warming of equipment motors in residential zones, or within 1,000 feet of any residential occupancy, hotel, motel, or hospital shall be limited to those hours between seven a.m. and 5:30 p.m. on weekdays, unless other hours are approved by the city engineer based upon evidence that an emergency exists which would constitute a hazard to persons or property if grading at other times is not permitted.

Bayhill Specific Plan
As noted in Section 3.1.1.1, Housing Opportunity Sites 3 and 13 are located within the Bayhill Specific Plan area. Chapters Three and Six of the Bayhill Specific Plan include mandatory “Urban Design” and “Environmental Quality” policies, including the following which pertain to noise and vibration.

Policy 3-13
Policy 3-13 requires projects to design outdoor use areas and public open spaces to reduce their exposure to traffic noise through building orientation and location.

Policy 3-27
Policy 3-27 requires building designs to reduce freeway- and airport-related noise intrusion into interior building spaces through the use of noise insulating walls, windows, and doors, and locating bedrooms and other noise-sensitive rooms away from noise sources.

Policy 6-1
Policy 6-1 requires projects to complete acoustical evaluations and implement necessary noise attenuation design measures to reduce interior noise levels to 45 dBA or less.

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Policy 6-3
Policy 6-3 requires the preparation of a nighttime construction noise control plan that demonstrates that noise from construction activities will comply with the City’s noise limit of 60 dBA at a distance of 100 feet.

Policy 6-4
Policy 6-4 requires the preparation of a noise analysis prior to the operation of any amplified music, HVAC equipment, emergency generators, loading docks, and mechanical equipment that demonstrates noise levels would not exceed City standards at adjacent land uses or result in a 10 dB or greater increase in ambient noise levels. A noise control plan would be required for any proposed uses that would exceed City standards at adjacent land uses or result in a 10 dB or greater increase in ambient noise levels.

Policy 6-5
Policy 6-5 prohibits amplified sound from resulting in noise levels in excess of 15 dBA at a distance of 100 feet in comparison with ambient noise levels; future development would be required to submit a noise analysis demonstrating compliance with the aforementioned limitations or noise-monitoring and real time adjustments during events with amplified sound.

Policy 6-6
Policy 6-6 limits the testing of emergency generators to the hours of seven a.m. to 10 p.m.

4.13.1.3 Existing Conditions
The existing noise environment was quantified through four short-term noise measurements (ST-1 through ST-4) and four long-term measurements (LT-1 through LT-4). The noise measurement locations are shown on Figure 4.13-1, and summarize below.

Long-Term Noise Measurements
Noise measurement LT-1 was at Housing Opportunity Site 21. LT-1 was located about 45 feet west of the Huntington Avenue centerline. Traffic along Huntington Avenue, railroad noise from the Union Pacific railroad tracks, and aircraft noise from SFO were the primary sources of noise in the area. Hourly average noise levels ranged from 65 to 73 dBA Leq during the day and from 57 to 71 dBA Leq at night. The average noise exposure level at this location on Thursday, August 18, 2022 was 73 dBA Ldn.

Noise measurement LT-2 was at Housing Opportunity Site 20. LT-2 was located about 140 feet west of the El Camino Real centerline. Traffic along El Camino Real and aircraft noise from SFO were the primary sources of noise in the area. Hourly average noise levels ranged from 64 to 68 dBA Leq during the day and from 58 to 68 dBA Leq at night. The average noise exposure level at this location on Thursday, August 18, 2022 was 71 dBA Ldn.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 Shar p Pa kr Roa d
Mori Ridge Trail
Notch Trail
Sweeney Rid
Sne athLane Tr ail
San Andreas Trail
San Bruno
Creek
Colma Creek
U P. .R R. .

U.P.R.R.

Centennial Way Trail
Shar
p Pa kr Roa d
M
o
ri
Ridge
Trail
Notch Trail
Sweeney Ridge Trail
Sne
ath
Lane Tr a
il
San Andreas Trail
San Bruno
Creek
Colma Creek
U P. .R R. .

U.P.R.R.

Centennial Way Trail
35 35
82 82
101
101
280
280
380
El Camino Real
Skyline Boulevard Skyline Boulevard
ST-2 ST-3
ST-4
ST-1
LT-3
LT-4
LT-2 LT-1
ge Trail
Aerial Source: Google Earth Pro, May 13, 2022. Photo Date: Aug. 2020 0 .25 .5 .75 1 Mile City of San Bruno
Long-Term Noise
Measurement Location LT-#
Short-Term Noise
Measurement Location ST-#
NOISE MEASUREMENT LOCATIONS FIGURE 4.13-1
City of San Bruno2023-2031 Housing Element Update 189 Initial Study December 2022
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 190 Initial Study
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Noise measurement LT-3 was at Housing Opportunity Site 13. LT-3 was located about 65 feet north of the San Bruno Avenue centerline. Traffic along San Bruno Avenue was the primary source of noise in the area. Hourly average noise levels ranged from 64 to 72 dBA Leq during the day and from 56 to 65 dBA Leq at night. The average noise exposure level at this location on Thursday, August 18, 2022 was 69 dBA Ldn.

Noise measurement LT-4 was made at a location representative of Housing Opportunity Site 14. LT4 was located about 165 feet north of the I-380 centerline. Traffic along I-380 was the primary source of noise in the area. Hourly average noise levels ranged from 68 to 72 dBA Leq during the day and from 62 to 71 dBA Leq at night. The average noise exposure level at this location on Thursday, August 18, 2022 was 75 dBA Ldn. Figures A10 through A12 in Appendix A show the trend in noise levels throughout the measurement period from August 17, 2022 to August 19, 2022.

Short-Term Noise Measurements
Short-term noise measurement ST-1 was conducted on Wednesday, August 17, 2022, between 11:40 a.m. and 11:50 a.m. to document typical noise levels expected at Housing Opportunity Site 19. This location was approximately 85 feet from the centerline of El Camino Real. El Camino Real traffic typically produced noise levels ranging from 58 to 81 dBA, and a jet flyover produced noise levels up to 82 dBA. The 10-minute Leq measured at ST-1 was 71 dBA.

Short-term noise measurement ST-2 was conducted on Wednesday, August 17, 2022, between 12:30 p.m. and 12:40 p.m. to document typical noise levels expected at Housing Opportunity Site 3. This location was approximately 50 feet from the centerline of San Bruno Avenue. San Bruno Avenue traffic typically produced noise levels ranging from 62 to 80 dBA. The 10-minute Leq measured at ST-2 was 70 dBA.

Short-term noise measurement ST-3 was conducted on Friday, August 19, 2022, between 9:20 a.m. and 9:30 a.m. to document typical noise levels expected at Housing Opportunity Site 9. This location was approximately 65 feet from the centerline of El Camino Real. El Camino Real traffic typically produced noise levels ranging from 57 to 76 dBA, and a jet flyover produced noise levels up to 76 dBA. The 10-minute Leq measured at ST-3 was 69 dBA.

Short-term noise measurement ST-4 was conducted on Friday, August 19, 2022, between 9:40 a.m. and 9:50 a.m. to document typical noise levels expected at Housing Opportunity Site 8. This location was approximately 55 feet from the centerline of Jenevein Avenue. Jenevein Avenue traffic typically produced noise levels ranging from 53 to 68 dBA, and two jets produced noise levels ranging from 53 to 55 dBA. The 10-minute Leq measured at ST-4 was 57 dBA.

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4.13.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project result in:
1) Generation of a substantial temporary or
permanent increase in ambient noise levels in
the vicinity of the project in excess of
standards established in the local general plan
or noise ordinance, or applicable standards of
other agencies?
2) Generation of excessive groundborne vibration
or groundborne noise levels?
3) For a project located within the vicinity of a
private airstrip or an airport land use plan or,
where such a plan has not been adopted,
within two miles of a public airport or public
use airport, would the project expose people
residing or working in the project area to
excessive noise levels?
Impact NOI-1: The project would not result in generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies. (Less than Significant Impact) Operational Noise
Increases in traffic noise gradually degrade the environment in areas sensitive to noise. According to CEQA, “a substantial increase” is necessary to cause a significant environmental impact. For purposes of this Initial Study, a substantial increase would occur if the noise level increase is 5 dBA Ldn or greater, with a future noise level of less than 60 dBA Ldn, or the noise level increase is 3 dBA Ldn or greater, with a future noise level of 60 dBA Ldn or greater.

Vehicular traffic on roadways in the City would increase as development occurs and the City’s population increases. These projected increases in traffic would, over time, increase noise levels throughout the community.

As summarized in Table 4.13-2, traffic noise levels would generally increase by 0 to 1 dBA Ldn due to anticipated traffic volumes along major roadways in San Bruno. The traffic noise increases attributable to the implementation of the Housing Element Update would not result in a substantial permanent increase noise levels in the community. (Less than Significant Impact) □
□
□
□
~
□
□
□
□
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Table 4.13-2: PM Peak Hour Traffic Volumes and Project Generated Traffic Noise Increases1
Roadway Location
PM Peak Hour Volumes Project Noise Increase
(dBA)
Existing Existing
+ Project Background Background+ Project
Versus
Existing
Versus
Background
Sneath
Lane
W. of I280 SB
Ramp
896 986 1,335 1,425 0.4 0.3
Sneath
Lane
E. of I-280
NB Ramp 1,448 1,534 2,486 2,572 0.3 0.1
El Camino
Real
N. of I-380
WB Ramp 4,562 4,922 4,676 5,036 0.3 0.3
El Camino
Real
S. of I-380
EB Ramp 3,673 3,901 5,028 5,256 0.3 0.2
El Camino
Real
N. of
Crystal
Springs
Avenue
3,180 3,349 3,978 4,147 0.2 0.2
El Camino
Real
S. of
Crystal
Springs
Avenue
3,382 3,542 4,180 4,340 0.2 0.2
San Bruno
Avenue
W. of El
Camino
Real
1,607 1,899 3,068 3,360 0.7 0.4
San Bruno
Avenue
E. of El
Camino
Real
1,531 1,645 2,052 2,166 0.3 0.2
Huntington
Avenue
N. of San
Mateo
Avenue
1,226 1,232 1,229 1,235 0.0 0.0
San Mateo
Avenue
S. of
Huntington
Avenue
715 721 715 721 0.0 0.0
Crystal
Springs
Avenue
W. of El
Camino
Real
802 811 802 811 0.0 0.0
Source: Illingworth & Rodkin, Inc. Housing Element Update Noise and Vibration Assessment. November 2022.

Notes:
1 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

Construction Noise
Noise impacts resulting from construction depend on the noise generated by various pieces of construction equipment, the timing and duration of noise-generating activities, the distance between DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 193 Initial Study
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construction noise sources and noise-sensitive receptors, any shielding provided by intervening structures or terrain, and ambient noise levels. Construction noise impacts primarily result when construction activities occur during noise-sensitive times of the day (early morning, evening, or nighttime hours), when construction occurs in areas immediately adjoining noise-sensitive land uses, or when construction durations last over extended periods of time.

Each construction phase would include a different mix of equipment operating. The highest noise levels are typically generated when impact tools are used (e.g., jackhammers, hoe rams). Site grading and excavation activities would also generate high noise levels, as these phases often require the simultaneous use of multiple pieces of heavy equipment (e.g., dozers, excavators, scrapers, loaders).

Pile driving activities are typically during foundation work and would generate loud noise levels.

Lower noise levels result from construction activities when less heavy equipment is required to complete the tasks or construction activities move indoors. Typical construction levels at a distance of 50 feet are presented in Table 4.13-3. Most demolition and construction noise falls in the range of 80 to 90 dBA at 50 feet from the source. Construction-generated noise levels drop off/increase at a rate of about six dBA per doubling/halving of the distance between the source and receptor.

Shielding by buildings or terrain can provide an additional five to 10 dBA noise reduction at distant receptors.

Table 4.13-3: Typical Ranges of Construction Noise Levels at 50 Feet, Leq (dBA) Construction
Activity
Domestic
Housing
Office Building,
Hotel, Hospital,
School, Public
Works
Industrial
Parking Garage,
Religious
Amusement &
Recreations,
Store, Service
Station
Public Works
Roads &
Highways,
Sewers, and
Trenches
Ground
Clearing

I II I II I II I II
Excavation 83 83 84 84 84 83 84 84
Foundations 88 75 89 79 89 71 88 78
Erection 81 65 87 75 84 72 79 78
Finishing 88 72 89 75 89 74 84 84
Source: Illingworth & Rodkin, Inc. Housing Element Update Noise and Vibration Assessment. November 2022.

Notes:

I – All pertinent equipment present at site.

II – Minimum required equipment present at site.

For purposes of this Initial Study, a significant temporary noise impact would be identified if construction noise levels would exceed the noise limits specified in the San Bruno Municipal Code.

Pursuant to San Bruno Municipal Code Section 6.16.070, noise from construction activities within any residential zone, or within 500 feet of any residential zone, is limited to 85 dBA, as measured at 100 feet from the source between the hours of 7:00 a.m. and 10:00 p.m., unless a permit has been DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 194 Initial Study
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obtained to exceed this level. Between the hours of 10:00 p.m. and 7:00 a.m., construction noise is limited to 60 dBA at 100 feet from the source, unless a permit is obtained.

The exact construction activities and associated equipment that would be used throughout buildout of the Housing Element Update are not known at this time. For purposes of analyzing a representative scenario, the construction equipment and phasing information of an example 90-unit multi-family project was used to calculate construction noise levels on an hourly basis (Hourly Leq).111 The construction noise levels would represent the majority of residential construction projects anticipated under the Housing Element Update, although the duration of construction would vary depending on the size of the development. The Federal Highway Administration’s Roadway Construction Noise Model (RCNM) was used to calculate the hourly average noise levels for each phase of construction, assuming the two loudest pieces of equipment would operate simultaneously, as recommend by the FTA for construction noise evaluations. Table 4.13-4 below summarizes representative construction noise levels for a typical residential development.

Table 4.13-4: Representative Construction Noise Levels1 Phase Construction
Equipment (Quantity)
Calculated Hourly Average Leq and Ldn (dBA) From
Operation
of Two Loudest Pieces of Construction Equipment
Noise
Level at
50 feet
Noise
Level at
100 feet
Noise
Level at
200 feet
Noise
Level at
400 feet
Noise
Level at
500 feet
Demolition
Concrete/Industrial Saw
(1)*
Excavator (2)
Rubber-Tired Dozer (1)
Tractor/Loader/Backhoe
(2)*
85 79 73 67 65
Site
Preparation
Grader (2)*
Rubber-Tired Dozer (2)
Tractor/Loader/Backhoe
(2)
84 78 72 66 64
Grading/
Excavation
Excavator (4)
Grader (2)
Rubber Tired Dozer (1)
Concrete/Industrial Saw
(2)*
Tractor/Loader/Backhoe
(2)
86 80 74 68 66
Trenching/
Foundation
Excavator (2)*
Tractor/Loader/Backhoe
(2)*
82 76 70 64 62
Building
Exterior
Crane (3)
Forklift (2)
Generator Set (1)*
Tractor/Loader/Backhoe
(2)*
82 76 70 64 62
111 The noise assessment assumes that the 90-unit multi-family project would be constructed over a 20-month period. While some of the Housing Opportunity sites could yield more than 90 units, the amount of equipment on any given site would be representative.

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Table 4.13-4: Representative Construction Noise Levels1 Phase Construction
Equipment (Quantity)
Calculated Hourly Average Leq and Ldn (dBA) From
Operation
of Two Loudest Pieces of Construction Equipment
Noise
Level at
50 feet
Noise
Level at
100 feet
Noise
Level at
200 feet
Noise
Level at
400 feet
Noise
Level at
500 feet
Welders (2)
Building
Interior/
Architectural
Coating
Aerial Lift (2)
Air Compressor (10)* 77 71 65 59 57
Paving
Cement and Mortar
Mixer (4)
Paver (4)
Paving Equipment (4)
Roller (4)
Tractor/Loader/Backhoe
(4)*
83 77 71 65 63
Source: Illingworth & Rodkin, Inc. Housing Element Update Noise and Vibration Assessment. November 2022.

As shown in Table 4.13-4, representative construction noise levels are expected to range from 71 to 80 dBA Leq at 100 feet from the noise source. These levels are below the City’s daytime construction noise standard of 85 dBA at a distance of 100 feet. Construction noise impacts would be further reduced through compliance with the construction hours and noise levels specified in the City’s Municipal Code and General Plan Policy HS-38, which requires that developers mitigate noise exposure to sensitive receptors from construction activities. The Noise and Vibration Assessment (refer to Appendix B) identified the following best management practices for reducing construction noise to ensure that future development at the Housing Opportunity Sites complies with General Plan Policy HS-38.

Best Management Practices:
• Construction equipment shall be well-maintained and used judiciously to be as quiet as practical;
• Equip all internal combustion engine-driven equipment with mufflers, which are in good condition and appropriate for the equipment;
• Utilize “quiet” models of air compressors and other stationary noise sources where technology exists;
• Locate all stationary noise-generating equipment, such as air compressors and portable power generators, away from noise-sensitive receptors;
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• Locate staging areas and construction material areas away from noise-sensitive receptors; • Prohibit all unnecessary idling of internal combustion engines; • Consider temporary noise barriers during construction phases involving earth moving equipment (e.g., grading operations) where they would be effective in reducing the construction noise impact, when directly adjoining sensitive receptors. An eight-foot plywood noise barrier could reduce noise levels by at least 5 dBA. • Designate a “disturbance coordinator” who would be responsible for responding to any local complaints about construction noise. The disturbance coordinator will determine the cause of the noise complaint (e.g., starting too early, bad muffler, etc.) and will require that reasonable measures warranted to correct the problem be implemented. Conspicuously post a telephone number for the disturbance coordinator at the construction site and include it in the notice sent to neighbors regarding the construction schedule.

Implementation of the best management practices outlined above as required by General Plan Policy HS-38 would ensure that developers mitigate noise exposure to sensitive receptors by reducing construction noise levels emanating from the site and minimizing disruption and annoyance.

Additionally, construction noise associated with buildout of the Housing Opportunity Sites within the TCP and Bayhill Specific Plan areas would be further reduced with adherence to the mitigation measures identified below.
• TCP EIR Mitigation 11-1: All proposed new multifamily residential, transient lodging or other noise-sensitive uses within the Transit Corridors Area shall submit for City approval a noise study, consistent with the requirements of the California Building Code, to identify noise reduction measures necessary to achieve compatibility with City General Planidentified land use/noise compatibility standards and State Title 24 noise compatibility standards. The noise study shall be approved by the City’s Building Division prior to issuance of a building permit. Identified noise reduction measures, in order of preference so that windows can be opened, may include:
o Site and building design so as to minimize noise in shared residential outdoor activity areas by locating such areas behind the buildings, in courtyards, or orienting the terraces toward the interior of lots rather than streets; o Site and building design so as to minimize noise in the most intensively occupied and noise-sensitive interior spaces of units, such as bedrooms, by placing such interior spaces and their windows and other openings in locations with less noise exposure; o Design of windows, doors, and other sound transmission paths such as ventilation openings, walls, and roofs to achieve a high Sound Transmission Class (STC) rating and/or other noise-attenuating characteristics.
o Installation of forced air mechanical ventilation systems in all units exposed to noise levels exceeding Title 24 standards to allow residents the option of reducing noise by keeping the windows closed.
• TCP EIR Mitigation 11-2: Prior to any discretionary City approval of new habitable buildings within 100 feet of the centerline of the Caltrain tracks, completion of a detailed DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 197 Initial Study
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site-specific vibration study shall be required demonstrating to City satisfaction that groundborne vibrations associated with rail operations either (1) would not exceed applicable FTA groundborne vibration impact assessment criteria, or (2) can be reduced to below the applicable FTA criteria thresholds through building design and construction measures (e.g., stiffened floors, modified foundations).
• TCP EIR Mitigation 11-3. Reduce ground-borne vibration levels during individual, sitespecific project demolition and construction periods by requiring applicant incorporation of conditions in individual discretionary project demolition and construction contractor agreements within the Transit Corridors Area that stipulate the following ground-borne vibration abatement measures:
o Restrict vibration-generating activity to between the hours of 7:00 a.m. and 5:00 p.m., Monday through Friday. Prohibit such activity on weekends and holidays. o Notify occupants of land uses located within 200 feet of proposed pile-driving activities of the project construction schedule in writing. o Investigate in consultation with City staff possible pre-drilling of pile holes as a means of minimizing the number of percussions required to seat the pile. o Conduct a pre-construction site survey documenting the condition of any historic structure located within 200 feet of proposed pile driving activities. o Monitor pile driving vibration levels to ensure that vibration does not exceed appropriate thresholds for the potentially affected building (5mm/sec or 0.2 inches/sec ppv for structurally sound buildings).
• TCP EIR Mitigation 11-4. Reduce demolition and construction noise impacts on adjacent uses by requiring applicant incorporation of conditions in individual discretionary project demolition and construction contract agreements within the Transit Corridors Area that stipulate the following conventional construction-period noise abatement measures:
o Construction Plan. Prepare a detailed construction plan identifying the schedule for major noise-generating construction activities. The construction plan shall identify a procedure for coordination with nearby noise-sensitive facilities so that construction activities and the event schedule can be scheduled to minimize noise disturbance. The plan shall stipulate the measures that result in compliance with the noise ordinance. o Construction Scheduling. Ensure that noise-generating construction activity is limited to between the hours of 7:00 AM to 8:00 PM.
o Construction Equipment Mufflers and Maintenance. Equip all internal combustion engine-driven equipment with intake and exhaust mufflers that are in good condition and appropriate for the equipment.
o Equipment Locations. Locate stationary noise-generating equipment as far as possible from sensitive receptors when sensitive receptors adjoin or are near a construction project site.
o Construction Traffic. Route all construction traffic to and from the construction sites via designated truck routes where possible. Prohibit construction-related heavy truck traffic in residential areas where feasible.

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o Quiet Equipment Selection. Use quiet construction equipment, particularly air compressors, wherever possible.
o Temporary Barriers. Construct solid plywood fences around construction sites adjacent to residences, operational businesses, or noise-sensitive land uses. o Temporary Noise Blankets. Temporary noise control blanket barriers should be erected, if necessary, along building facades of construction sites. This mitigation would only be necessary if conflicts occurred which were irresolvable by proper scheduling. (Noise control blanket barriers can be rented and quickly erected.) o Noise Disturbance Coordinator. For larger construction projects, the City may choose to require project designation of a “Noise Disturbance Coordinator” who would be responsible for responding to any local complaints about construction noise. The Disturbance Coordinator would determine the cause of the noise complaint (e.g., starting too early, bad muffler, etc.) and institute reasonable measures to correct the problem. Conspicuously post a telephone number for the Disturbance Coordinator at the construction site and include it in the notice sent to neighbors regarding the construction schedule. (The project sponsor should be responsible for designating a Noise Disturbance Coordinator, posting the phone number, and providing construction schedule notices. The Noise Disturbance Coordinator would work directly with an assigned City staff member.)
• Bayhill Specific Plan EIR Mitigation Measure NOI-1: Construction Noise Control Plan for Nighttime Construction. Should construction be planned for the nighttime hours of 10:00 p.m. to 7:00 a.m. for any development under the Specific Plan within 500 feet of a residential land use (including the Phase I Development), the contractor(s) for each construction phase shall develop a construction noise control plan that demonstrates that noise from nighttime construction activities will comply with the City noise limit of 60 dBA at a distance of 100 feet, unless a permit is issued and approval is granted by the director of the City Public Works Department or his/her designee. Measures to help reduce noise from construction activity during nighttime hours to this level (or to the extent feasible) shall be incorporated into this plan and may include, but are not limited to, the following:
o Require stationary noise sources associated with construction (e.g., generators and compressors) in proximity to noise-sensitive land uses to be muffled and/or enclosed within temporary enclosures and shielded by barriers, which can reduce construction noise by as much as 5 dB.
o Require all construction equipment powered by gasoline or diesel engines and used during nighttime hours to have sound control devices that are at least as effective as those originally provided by the manufacturer and operated and maintained to minimize noise generation.
o Prohibit idling of inactive construction equipment for prolonged periods during nighttime hours (i.e., more than 2 minutes).
o Locate construction equipment as far as feasible from adjacent or nearby noisesensitive receptors. o Use noise-reducing enclosures around noise-generating equipment during nighttime hours.
o Prohibit the use of impact tools (e.g., jack hammers) during nighttime hours. o Use electric motors rather than gasoline- or diesel-powered engines to avoid noise associated with compressed air exhaust from pneumatically powered tools during DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 199 Initial Study
City of San Bruno December 2022
nighttime hours. Where the use of pneumatic tools is unavoidable, an exhaust muffler on the compressed air exhaust could be used; this muffler can lower noise levels from the exhaust by about 10 dB. External jackets on the tools themselves could be used, which could achieve a reduction of 5 dB.
o Ensure that equipment and trucks used for Project construction use the best available noise control techniques (e.g., improved mufflers, equipment redesign, intake silencers, ducts, engine enclosures, acoustically attenuating shields or shrouds). o For construction work that occurs at night, an alternative to high pitched, single-tone back up alarms shall be used. This could include a visual observer to provide warnings to the driver in the event that workers are present behind the vehicle or the use of a white noise alarm sound source.
o Any alternative approach must comply with all applicable safety regulations. o The City of San Bruno shall require a third-party inspector to be onsite during all nighttime construction work. The director of the City Public Works Department or his/her designee, based on the degree of construction, proximity to sensitive uses, or a noise complaint, may require the
o Project sponsor to monitor noise levels during nighttime construction activities. If this is required, a plan for noise monitoring and reporting must be provided to the Director of the City Public Works Department or his/her designee for review. o Should a reduction in construction noise to below the allowable 60 dBA level be deemed infeasible, the contractor shall coordinate with the Community and Economic Development
o Department to obtain a permit that allows the generation of nighttime construction noise in excess of 60 dBA. The permit shall include stipulations and restrictions with which the contractor(s) would be required to comply. The contractor(s) shall comply with all stipulations of the permit. One of the conditions of the permit shall be that interior noise levels at the nearest noise-sensitive uses resulting from nighttime construction shall not exceed 45 dBA, a commonly accepted threshold for sleep disturbance.

Since construction noise is expected to be below the applicable City limits during daytime hours, and construction activities would not be expected at night, daytime construction noise from the Housing Element Update would not result in a substantial temporary increase in noise levels that would be in excess of applicable local standards, resulting in a less-than-significant impact. (Less than Significant Impact)
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 200 Initial Study
City of San Bruno December 2022
Impact NOI-2: The project would not result in generation of excessive groundborne vibration or groundborne noise levels. (Less than Significant Impact with Mitigation Incorporated)
Construction Vibration
Construction equipment such as pile drivers are known to generate substantial vibration levels that if used in the vicinity of sensitive land uses may expose persons to excessive vibration levels as well as have the potential to damage buildings. Other construction equipment such as bulldozers and vibratory rollers do not create the vibration levels of pile drivers; however, these types of equipment are more likely to operate continuously and closer to sensitive receptors, and they may expose persons to excessive vibration levels. Foundation construction techniques involving impact or vibratory pile driving equipment, which can cause excessive vibration, are not expected with the future development under the Housing Element Update. The severity of the vibration impact is determined by the proximity of the project with respect to buildings and receptors. The sensitivity of buildings is also an important factor in evaluating impacts due to groundborne vibration.

The California Department of Transportation recommends a vibration limit of 0.5 in/sec PPV to avoid damage to buildings that are structurally sound and designed to modern engineering standards, a vibration limit of 0.3 in/sec PPV for buildings that are found to be structurally sound but where structural damage is a major concern, and a vibration limit of 0.25 in/sec PPV for historic and some old buildings.

Construction details on each individual project are not currently known and, therefore, cannot be quantified.

Table 4.13-5 presents typical vibration levels that could be expected from construction equipment at a distances of 25 feet to 100 feet. Vibration levels would be higher at distances less than 25 feet and lower at distances greater than 100 feet. Vibration levels would also vary depending on soil conditions, construction methods, and equipment used. Vibration levels are highest close to the source, and then attenuate with increasing distance at the rate (Dref/D)1.1, where D is the distance from the source in feet and Dref is the reference distance of 25 feet.

Table 4.13-5: Vibration Source Levels for Construction Equipment Equipment PPV at 25 ft.
(in/sec)
PPV at 50 ft.
(in/sec)
PPV at 100 ft.
(in/sec)
Clam shovel drop 0.202 0.094 0.044
Hydromill (slurry
wall)
in soil 0.008 0.004 0.002
in rock 0.017 0.008 0.004
Vibratory Roller 0.210 0.098 0.046
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 201 Initial Study
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Table 4.13-5: Vibration Source Levels for Construction Equipment Equipment PPV at 25 ft.
(in/sec)
PPV at 50 ft.
(in/sec)
PPV at 100 ft.
(in/sec)
Hoe Ram 0.089 0.042 0.019
Large bulldozer 0.089 0.042 0.019
Caisson drilling 0.089 0.042 0.019
Loaded trucks 0.076 0.035 0.017
Jackhammer 0.035 0.016 0.008
Small bulldozer 0.003 0.001 0.001
Source: Illingworth & Rodkin, Inc. Housing Element Update Noise and Vibration Assessment. November 2022.

Table 4.13-6 summarizes the minimum safe setback distances to maintain in order to achieve the

0.25 in/sec PPV threshold for historical buildings and the 0.3 in/sec and 0.5 in/sec PPV thresholds for modern buildings.

Table 4.13-6: Vibration Source Levels for Construction Equipment and Minimum Safe Setbacks
Equipment
Minimum Safe
Setback (feet)

0.25 in/sec PPV
Minimum Safe
Setback (feet)

0.30 in/sec PPV
Minimum Safe
Setback (feet)

0.50 in/sec PPV
Clam shovel drop 21 18 11
Hydromill
(slurry wall)
in soil <1 <1 <1
in rock 3 2 2
Vibratory Roller 22 19 12
Hoe Ram 10 9 6
Large bulldozer 10 9 6
Caisson drilling 10 9 6
Loaded trucks 9 8 5
Jackhammer 5 4 3
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 202 Initial Study
City of San Bruno December 2022
Small bulldozer <1 <1 <1
Source: Illingworth & Rodkin, Inc. Housing Element Update Noise and Vibration Assessment. November 2022.

Construction details on each individual development are not currently known and, therefore, cannot be quantified. It is conservatively assumed that the construction areas associated with these future developments could be located within the minimum safe setback distances identified in Table 4.13-6.

In the event that future housing development projects produce vibration levels exceeding the thresholds, construction vibration would be expected to cause both human annoyance and the possibility of cosmetic damage, resulting in a significant impact. Therefore, in order to determine whether future construction could result in significant groundborne vibration impacts, groundborne vibration studies would need to be prepared for each individual project completed under the Housing Element Update.

Mitigation Measures:

MM NOI-2.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites to implement the following measures during demolition and construction:
• Groundborne vibration studies shall be prepared by qualified professionals in accordance with industry-accepted methodology where heavy construction activities involving significant site grading, underground, or foundation work will occur within 25 feet of residential or other vibration sensitive uses. The industry-accepted methodologies include the recommended vibration assessment procedure and thresholds provided by public agencies such as Caltrans or the Federal Highway Administration. The studies should identify necessary construction vibration controls to reduce both human annoyance and the possibility of cosmetic damage. Controls shall include, but not be limited to, the following measures:
o A list of all heavy construction equipment to be used for this project known to produce high vibration levels (tracked vehicles, vibratory compaction, jackhammers, hoe rams, etc.) shall be submitted to the City by the contractor. This list shall be used to identify equipment and activities that would potentially generate substantial vibration and to define the level of effort for reducing vibration levels below the thresholds.
o Place operating equipment on the construction site as far as possible from vibration-sensitive receptors.
o Use smaller equipment to minimize vibration levels below the limits.
o Avoid using vibratory rollers and tampers near sensitive areas. o Select demolition methods not involving impact tools.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 203 Initial Study
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o Modify/design or identify alternative construction methods to reduce vibration levels below the limits.
o Avoid dropping heavy objects or materials.

With the implementation of mitigation measure MM NOI-2.1, future development under the Housing Element Update would be required to groundborne vibration studies and identify necessary construction vibration controls to reduce both human annoyance and the possibility of cosmetic damage. Additionally, vibration generated during construction at the TCP area sites would be further reduced with adherence to the mitigation measures identified in the TCP EIR, shown below. • TCP EIR Mitigation 11-3. Reduce ground-borne vibration levels during individual, sitespecific project demolition and construction periods by requiring applicant incorporation of conditions in individual discretionary project demolition and construction contractor agreements within the Transit Corridors Area that stipulate the following ground-borne vibration abatement measures:
o Restrict vibration-generating activity to between the hours of 7:00 a.m. and 5:00 p.m., Monday through Friday. Prohibit such activity on weekends and holidays. o Notify occupants of land uses located within 200 feet of proposed pile-driving activities of the project construction schedule in writing. o Investigate in consultation with City staff possible pre-drilling of pile holes as a means of minimizing the number of percussions required to seat the pile. o Conduct a pre-construction site survey documenting the condition of any historic structure located within 200 feet of proposed pile driving activities. o Monitor pile driving vibration levels to ensure that vibration does not exceed appropriate thresholds for the potentially affected building (5mm/sec or 0.2 inches/sec ppv for structurally sound buildings).

For these reasons, the project would not result in generation of excessive groundborne vibration or groundborne noise levels. (Less than Significant Impact with Mitigation Incorporated) Impact NOI-3: The project would not expose people residing or working in the project area to excessive noise levels. (Less than Significant Impact)
All of the Housing Opportunity Sites are located within AIA Area B of SFO and the associated ALUCP. As discussed in Section 4.13.1.1, residential land uses are considered conditionally compatible with noise levels between 65 and 70 dB CNEL, and generally incompatible with noise levels in excess of 70 dB CNEL. As shown on Figure 4.13-2, Housing Opportunity Sites 14, 15, 18, 19, and 21 would be located within the 70-75 dB CNEL noise contour; the remaining sites are located outside of the boundary of the 70 dB CNEL noise contour and therefore would not be exposed to excessive noise levels.

Future residential development at Sites 14, 15, 18, 19, and 21 would be required by the California Building Standards Code (Title 24), ALUCP (Policy NP-4) and San Bruno General Plan (Policy HS35) to achieve an interior noise level of 45 dB CNEL or less. For residential structures exposed to DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 204 Initial Study
City of San Bruno December 2022
aircraft noise above CNEL 60 dB, Title 24, Part 2 of the California Building Standards Code requires an acoustical analysis is required to demonstrate compliance with this requirement. Since Sites 15, 18, and 21 were zoned for residential use as of the effective date of the SFO ALUCP (November 8, 2012), future residential development at these sites is considered compatible with the SFO ALUCP and residents at these sites would not be exposed to excessive noise levels with adherence to the aforementioned regulations. Although Sites 14 and 19 are located in the 70-75 dB CNEL contour and development of housing on these sites would require a Local Agency Override of the ALUCP (refer to the discussion in Section 2.5.3), the Noise and Vibration Assessment (refer to Appendix B and the discussion under Impact NOI-3 in Section 4.13 of this Initial Study) determined that future residential development at Sites 14 and 19 would be able to achieve a 45 dB CNEL interior as required by Airport Land Use Compatibility Policy NP-4 and General Plan Policy HS-35.

Furthermore, Title 24 and General Plan Policy HS-35 would prohibit the issuance of occupancy permits for residential development that would expose future residents to an interior noise level of greater than 45 dB CNEL. Accordingly, the Housing Element Update’s incompatibility with the noise compatibility policies provided in the ALUCP would not result in the exposure of future residents of Sites 14 and 19 to excessive noise levels.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 Noise Contour Source: Comprehensive Airport Land Use Compatibility Plan for the Environs of San Francisco International Airport, Rincondo Associates, November 2012. 70 70
65 60 65
60 75
75 Key to Boundaries
Key to Sites
Transit-Oriented Development Overlay
Bayhill Specific Plan Boundary
Large Site With One House (R-2)
Melody Toyota Lot
Melody Toyota Showroom
Office Building
Tanforan
Vacant Site
Vacant Site
Walgreens
Russo Dental
San Bruno Pet Hospital
Chili’s Restaurant
Vacant Site
Bedroom Express
San Bruno Gas
Prepared July 20, 2022
IHOP Restaurant
Former Edgemont ES
Former Budget Motel
Engvall MS
Citibank
Car Sales Lot
Bayhill Shopping Center
Bank of America
ATT Building
City Limits
0 0.25 0.5 1
Miles
HOUSING OPPORTUNITY SITES AND SFO 2020 NOISE EXPOSURE CONTOURS (DB, CNEL) FIGURE 4.13-2 City of San Bruno2023-2031 Housing Element Update 205 Initial Study December 2022
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DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 206 Initial Study
City of San Bruno December 2022

4.14 POPULATION AND HOUSING

4.14.1 Environmental Setting

4.14.1.1 Regulatory Framework
State
Housing-Element Law
State requirements mandating that housing be included as an element of each jurisdiction’s general plan is known as housing-element law. The Regional Housing Need Allocation (RHNA) is the statemandated process to identify the total number of housing units (by affordability level) that each jurisdiction must accommodate in its housing element. California housing-element law requires cities to: 1) zone adequate lands to accommodate its RHNA; 2) produce an inventory of sites that can accommodate its share of the RHNA; 3) identify governmental and non-governmental constraints to residential development; 4) develop strategies and a work plan to mitigate or eliminate those constraints; and 5) adopt a housing element and update it on a regular basis.112 The City of San Bruno Housing Element and related land use policies were last updated on July 30, 2015.

Regional and Local
Plan Bay Area 2050
Plan Bay Area 2050 is the long-range plan for the nine-county San Francisco Bay Area that provides strategies that increase the availability of affordable housing, support a more equitable and efficient economy, improve the transportation network, and enhance the region’s environmental resilience.

Plan Bay Area 2050 promotes the development of a variety of housing types and densities within identified Priority Development Areas (PDAs). PDAs are areas generally near existing job centers or frequent transit that are locally identified for housing and job growth.113 ABAG allocates regional housing needs to each city and county within the San Francisco Bay Area, based on statewide goals. These allocations are designed to lay the foundation for Plan Bay Area 2050’s long-term envisioned growth pattern for the region. ABAG also develops a series of forecasts and models to project the growth of population, housing units, and jobs in the Bay Area. ABAG, MTC, and local jurisdiction planning staff created the Forecasting and Modeling Report, which is a technical overview of the of the growth forecasts and land use models upon which Plan Bay Area 2050 is based.

City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating population and housing impacts resulting from planned development within the City, including the following:
112 California Department of Housing and Community Development. “Regional Housing Needs Allocation and Housing Elements” Accessed October 24, 2022. https://www.hcd.ca.gov/planning-and-communitydevelopment/housing-elements 113 Association of Bay Area Governments and Metropolitan Transportation Commission. Plan Bay Area 2050.

October 21, 2021.

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Policies Description
LUD-F Promote infill and revitalization of the city’s shopping centers – including the continued improvement of The Shops at Tanforan and Towne Center – to attract shoppers from throughout the region using convenient BART and Caltrain access.

LUD-20 Promote establishment of strong regional retail anchors in The Shops at Tanforan and Towne Center. Support the further redevelopment and expansion of The Shops at Tanforan, and work with the developer and San Bruno Chamber of Commerce to market the center to a wider regional audience.

LUD-21 Strengthen the identity of the existing internal “street” network in The Shops at Tanforan and Towne Center. Encourage transition of these two centers into an outdoor/indoor shopping “district,” as illustrated in Figure 2-6. Implement the following design techniques:
• Promote reuse and infill of existing surface parking lots. • Strengthen the existing internal street network (as shown in the concept diagram) to promote walkability between stores, services, and restaurants. • Ensure that the street network links the two shopping centers and preserves the visibility of the existing shopping complexes from El Camino Real. • Design all new commercial spaces to be located and oriented toward the walkable internal streets and toward Sneath Lane, with clear connections to enclosed mall entrances.
• Create fluid and visible pedestrian connections to and from the San Bruno BART Station.
• In accordance with Ordinance 1284, consider construction of necessary parking structures to replace existing surface parking lots. Locate parking structures along the edges of the shopping district to minimize vehicular traffic on internal pedestrian-oriented streets.
• Improve landscaping along El Camino Real to differentiate and announce the “district” from other developments along El Camino Real. • Incorporate gateway features on El Camino Real near the northern edge of Towne Center where San Bruno’s northern boundary exists.
• Develop a uniform signage plan to coordinate signs along the internal shopping streets with signs along El Camino Real.
• Coordinate with the San Bruno Chamber of Commerce to market the new “district” as a regional marketplace.

LUD-80 Amend zoning districts and development standards in the Zoning Ordinance consistent with land use classifications in the General Plan, particularly as it relates to mixed-use development along El Camino Real, the Transit Oriented Development district, and intensification within the Tanforan District.

4.14.1.2 Existing Conditions
According to the California Department of Finance, the City of San Bruno had a population of 42,656 as of January 1, 2022, a 1.18 percent decrease from the previous year.114 ABAG projects the City’s population will be 51,370 by 2040.115 As of 2022, there were 16,696 households with an 114 California Department of Finance. “E-1 Population Estimates for Cities, Counties, and the State – January 1, 2021 and 2022.” Accessed August 4, 2022. https://dof.ca.gov/forecasting/demographics/estimates/e-5-populationand-housing-estimates-for-cities-counties-and-the-state-2020-2022/ 115 Association of Bay Area Governments. Projections 2040, A Companion to Plan Bay Area 2040. November 2018.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 208 Initial Study
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average of 2.64 persons per household.116 None of the Housing Opportunity Sites are developed with housing.

4.14.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
1) Induce substantial unplanned population
growth in an area, either directly (for example,
by proposing new homes and businesses) or
indirectly (for example, through extension of
roads or other infrastructure)?
2) Displace substantial numbers of existing
people or housing, necessitating the
construction of replacement housing
elsewhere?
Impact POP-1: The project would not induce substantial unplanned population growth in an area, either directly (for example, by proposing new homes and businesses) or indirectly (for example, through extension of roads or other infrastructure). (No Impact)
As discussed in Sections 3.1.2 and 3.1.3, state law requires local jurisdictions to update their respective housing elements to account for their regional housing needs allocation. The City of San Bruno’s fair share of the regional housing need for 2023 to 2031 was calculated as 3,165 housing units. Factoring in HCD’s recommendation to create a buffer in the housing element inventory of at least 15 percent (equivalent to 475 units) in accordance with the No Net Loss Law, state and regional plans intend for San Bruno to construct an additional 3,640 housing units (refer to Table 3.1-1), which corresponds to an additional 9,610 residents by the year 2031.117 Buildout of the Housing Opportunity Sites (refer to Table 3.2-1) identified in the Housing Element Update would result in an additional 2,709 units, which corresponds to an additional 7,152 residents by the year 2031.118 All of the Housing Opportunity Sites with the exception of Site 14 are designated/zoned for residential uses under the City’s General Plan and Municipal Code. The remaining regional housing needs allocation would be satisfied through the construction of 669 units 116 United States Census Bureau. Quick Facts, San Bruno city, California. Accessed October 24, 2022. https://www.census.gov/quickfacts/fact/table/sanbrunocitycalifornia/PST040219#qf-flag-X 117 3,640 housing units multiplied by 2.64 (average number of residents per unit in San Bruno) equals 9609.6. 118 2,708 housing units multiplied by 2.64 (average number of residents per unit in San Bruno) equals 7,149.12. 2,709 units multiplied by 2.64 equals 7,151.76. After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.
□ □ □
□ □ □
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that have already received discretionary entitlements and 240 ADUs that are allowed by right under the Municipal Code. In total, buildout of the Housing Element Update would result in the construction of 3,618 housing units, which corresponds to an additional 9,552 residents.119 All of the Housing Opportunity Sites are currently designated for residential development in the General Plan, with the exception of Site 14. Redevelopment of Site 14 with up to 1,000 housing units (equivalent to an additional 2,640 residents) is consistent with General Plan policies LUD-F, LUD20, LUD-21, and LUD-80 (refer to Section 4.14.1.1), which call for mixed-use infill redevelopment of the Shops at Tanforan. Therefore, implementation of the Housing Element Update would not induce substantial unplanned population growth.

Impact POP-2: The project would not displace substantial numbers of existing people or housing, necessitating the construction of replacement housing elsewhere. (No Impact)
None of the Housing Opportunity Sites are developed with housing; therefore the Housing Element Update would not displace substantial numbers of existing people or housing necessitating the construction of replacement housing elsewhere.
119 3,618 housing units multiplied by 2.64 (average number of residents per unit in San Bruno) equals 9,551.52.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 210 Initial Study
City of San Bruno December 2022

4.15 PUBLIC SERVICES

4.15.1 Environmental Setting

4.15.1.1 Regulatory Framework
State
Government Code Section 66477
The Quimby Act (included within Government Code Section 66477) requires local governments to set aside parkland and open space for recreational purposes. It provides provisions for the dedication of parkland and/or payment of fees in lieu of parkland dedication to help mitigate the impacts from new residential developments. The Quimby Act authorizes local governments to establish ordinances requiring developers of new residential subdivisions to dedicate parks, pay a fee in lieu of parkland dedication, or perform a combination of the two.

Government Code Section 65995 through 65998
California Government Code Section 65996 specifies that an acceptable method of offsetting a project’s effect on the adequacy of school facilities is the payment of a school impact fee prior to the issuance of a building permit. Government Code Sections 65995 through 65998 set forth provisions for the payment of school impact fees by new development by “mitigating impacts on school facilities that occur (as a result of the planning, use, or development of real property” (Section 65996[a]). The legislation states that the payment of school impact fees “are hereby deemed to provide full and complete school facilities mitigation” under CEQA (Section 65996[b]).

Developers are required to pay a school impact fee to the school district to offset the increased demands on school facilities caused by the proposed residential development project. The school district is responsible for implementing the specific methods for mitigating school impacts under the Government Code.

Regional and Local
County of San Mateo Trails Master Plan
Adopted in 2001, the County of San Mateo Trails Master Plan is intended to, among other objectives, provide policies and guidelines for trails planning and to define environmental issues and mitigation measures for trail management.

City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating impacts on public services resulting from planned development within the City including the following:

Policies Description
HS-1 Regulate development, including remodeling or structural rehabilitation, to assure adequate mitigation of safety hazards on sites having a history or threat of slope instability, erosion, DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 211 Initial Study
City of San Bruno December 2022
Policies Description
subsidence, seismic dangers (including those resulting from liquefactions, ground failure, ground rupture), flooding, and/or fire hazards (Figure 7-2).

HS-2 Review and revise the City’s Building Code, Zoning Ordinance, and Subdivision requirements to safeguard against seismic, geologic, and safety hazards. Mitigation should include:
• Minimal grading and removal of natural vegetation to prevent erosion and slope instability.
• Cleared slopes should be replanted with vegetation.
• Proper drainage control to prevent erosion of the site and affected properties. Careful siting and structural engineering in unstable areas.
• Consideration of flooding and fire hazards in siting and designing new development.

LUD-76 Assure that new development mitigates impacts on existing public services, including transit services, water, sewer, and storm drainage systems, police and fire protection, libraries, and parks and recreation facilities.

OSR-1 Maintain a parkland dedication/in lieu fee standard of 4.5 acres/1,000 residents.

OSR-2 Amend the City’s Zoning Ordinance to ensure that all developments are subject to dedication/in lieu fee requirements, whether or not such developments result from subdivision.

OSR-3 Revise the City’s Park In-Lieu Fee to create an option (at the City’s discretion) to accept either Park In-Lieu Fees or require the developer to design/build parks and/or recreation facilities as part of the development.

OSR-4 Undertake a program to add 20 acres of parkland to the City system over the next 20 years.

Seize all opportunities to develop and/or maintain parks and recreation facilities within existing residential neighborhoods through acquisition or preservation of former school facilities.

OSR-5 Strive to locate neighborhoods park facilities within 1/3-mile walking distance of all residences in San Bruno. If limited in some neighborhoods, coordinate with local school districts to allow use of playgrounds and sports facilities after school hours.

OSR-6 Provide small public parks and/or plazas within BART and Caltrain station areas, within Downtown, and along El Camino Real. Provide benches, water fountains, and trees to serve as resting areas for pedestrians, commuters, and shoppers.

OSR-7 As former Skyline College properties are developed for single-family residential neighborhoods, create an option (at the City’s discretion) for development of parks and/or recreation facilities to serve San Bruno residents.

OSR-9 Actively implement the City’s Comprehensive Parks and Recreational Facilities Master Plan, which more fully identifies park and recreation needs and deficiencies.

OSR-10 Continue coordination with San Bruno Park School District (per the Five-Year Joint Use Agreement, 2002) to allow joint use of school facilities for after-school programs, sports leagues, and non-organized play.

OSR-12 Study potential locations and funding mechanisms for the development of a Teen Recreation Center that provides the types of programs and activities to successfully attract the City’s teens.

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City of San Bruno December 2022
Policies Description
OSR-13 Design and construct non-traditional recreation facilities (skateboarding/BMX bike park, rock climbing wall, etc) to provide alternative forms of recreation for the City’s teens.

Coordinate this facility with the Parks and Recreation Commission.

OSR-14 Continue to support and expand adult (50+) programs and activities offered at the Senior Center. Develop plans to expand the facility as needed to accommodate the City’s senior population.

OSR-15 Study potential sites and funding mechanisms for relocation of the San Bruno Swim Center, or development of a new multi-programmed Aquatics Facility.

PFS-3 Require, as part of plan review, identification of needed public service improvement and maintenance costs for those projects that may have a significant impact on existing services.

PFS-5 Develop a Civic Center Complex Master Plan, in order to coordinate rehabilitation and expansion of the various City departments and service providers.

PFS-26 Ensure adequate staffing and facilities for the City’s Police and Fire Departments to achieve desired levels of service, particularly surrounding transit areas and along urban-interface hazard areas.

PFS-27 Consider rebuilding or rehabilitating Fire Station No. 51 to accommodate current and future Fire Department needs, Americans with Disabilities Act standards, and seismic requirements.

The new Fire Station could include a community meeting room.

PFS-28 Consider relocating Fire Station No. 52 to a safe site outside of the San Andreas Earthquake Fault Zone. Maintain existing or better levels of service to neighborhoods in the northern and western neighborhoods.

PFS-29 Establish a separate radio channel for use by city crews and firefighters during emergencies.

Obtain funding for information technology systems, such as wireless communication systems, to further decrease fire and police response times.

PFS-30 Require installation and maintenance of fire protection measures in high-risk and urbaninterface areas (Figure 8-2):
• Proper siting and access;
• Brush clearance (non-fire resistant landscaping 50 feet from structures); • Use of fire resistive materials (pressure-impregnated, fire resistive shingles or shakes);
• Landscaping with fire resistive species; and
• Installation of early warning systems (alarms and sprinklers).

PFS-31 Ensure adequate fire water pressure as a condition of approval for all new development projects.

PFS-32 Require installation of residential sprinklers in areas with steep slopes and/or diminished access.

PFS-33 Consider the feasibility of establishing a Fire Risk Assessment Zone within and surrounding high-risk and urban-interface areas (Figure 8-2).

PFS-34 Identify and remove mature and/or diseased Eucalyptus trees in rights-of-way and other open areas, if they pose a fire hazard or other threat to health and safety.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 213 Initial Study
City of San Bruno December 2022
Policies Description
PFS-35 Require installation of automatic sprinkler systems in all hotel, motel, and other overnight lodging facilities, in mixed commercial/residential uses, and in apartment buildings of three or more units.

PFS-37 Continue to clear fire hazardous materials from Crestmoor Canyon that pose a threat to nearby residents. Care should be taken to prevent unnecessary harm to healthy vegetation.

Ensure continued use by the Fire Department should the existing fire road be transitioned to a multi-use trail.

PFS-38 Ensure proper maintenance of the open space areas in western residential neighborhoods.

Vegetation maintenance is necessary to prevent potential fire hazards.

PFS-39 Minimize risks to single-access residential neighborhoods by providing alternative access for fire and other emergency personnel.

PFS-40 Acknowledge the regional implications of natural hazards and the need for jurisdictional cooperation in the face of potential disasters. Coordinate emergency response planning with surrounding cities, agencies, and San Mateo County Office of Emergency Services.

PFS-41 Create and maintain an up-to-date Emergency Operations Plan with information including but not limited to evacuation routes and procedures, chain of command communication structure, alerts and warning systems, emergency shelter provisions, and responsibilities and instructions for all relevant departments (police, fire, hazardous materials, emergency medical services, public works).

PFS-42 Conduct emergency drills in public buildings, large office developments, and in coordination with local schools. Hold post-drill training seminars to identify needed improvements to emergency preparedness.

PFS-43 Work with critical use facilities (i.e., hospitals, schools, public assembly facilities, transportation services) to assure that they can provide alternate sources of electricity, water, and sewage disposal in the event that regular utilities are interrupted in a disaster.

PFS-44 Establish a public education program through local schools, county fair, civic organizations, and other service groups to distribute information about emergency preparedness. Develop a brochure indicating what to do and where to go in the event of safety, seismic, or emergency events.

PFS-45 Continue to participate in a cooperative San Mateo County program to pool natural hazard data which are developed either through special studies or via the plan review process.

PFS-46 Coordinate with regional, State, and federal agencies to determine appropriate disaster recovery strategies for after a major natural or man-made event. Publicize recovery measures along with emergency preparedness information.

PFS-50 Develop a primary Emergency Operations Center and a secondary Emergency Operations Center for the management and coordination of disasters in our community.

PFS-51 Work cooperatively with local school districts to monitor the growth of the school-age population within the San Bruno, and the subsequent need for school sites and facilities.

PFS-52 Provide technical assistance to local school districts in design and planning for reuse of former school sites throughout the City. Consider acquisition or leasing of former school sites for recreation, education, or other community needs.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 214 Initial Study
City of San Bruno December 2022
Policies Description
PFS-53 Maintain good communication with the local school districts, and integrate school facilities planning with the City’s objectives, including:
• Designing school facilities to allow safe pedestrian and bicycle access; • Ensuring construction of traffic calming measures on surrounding streets; • Designing attractive facilities that contribute to neighborhood identity and pride; and • Allowing public use of recreational facilities on school sites on evenings and weekends.

PFS-55 Provide a wide range of library services to San Bruno residents through a strong main Public Library facility.

PFS-56 Study potential locations and funding mechanisms for development of a larger Public Library facility. Focus on sites within the Civic Center complex, as recommended by the Ad Hoc Library Citizens Committee.

PFS-57 Continue San Bruno’s relationship with Skyline College by coordinating collections and sharing resources through their common partnership with the Peninsula Library System.

PFS-58 Continue to provide public access to the Internet and other computer-based resources through the San Bruno Public Library facility.

PFS-59 In order to prevent anticipated future population growth in San Bruno from burdening existing over-extended library services, City staff will ensure upon individual project review that the developer sets aside contributions or in-lieu fees in general proportion to the burden proposed new residential development would have on the library system, and that those fees are used to improve public library facilities. The per capita share will be negotiated between the Ad Hoc Library Citizen’s Committee, City Staff, and City Council, within 1 year of Plan adoption, and will be applied uniformly (and if necessary, retroactively) across all residential development occupancy permit applications submitted after Plan adoption, until such time as an alternative form of support is provided, or the library facilities are fully upgraded to the requirements as described on pages 8-12.

City of San Bruno Municipal Code
Pursuant to Section 10.15.050 of the City’s Municipal Code, all facilities with fire suppression systems are required to meet certain technical specifications, including having an approved backflow prevention assembly with a double check valve. The ordinance also requires fire protection systems to be constructed with approved potable water piping and material. Section 11.24.010 requires project to comply with the 2019 California Fire Code and 2019 International Fire Code. As established by Municipal Code Section 12.44, the City maintains a parkland dedication/in-lieu fees standard of 4.5 acres per 1,000 residents.

Pursuant to Section 12.260 of the City’s Municipal Code, the City assesses fees upon development projects to fully or partially offset the costs of public facilities and infrastructure that is needed to serve new demand created by development projects. Effective July 1, 2022, the development impact fee is $29,494.53 per single-family residential unit and $27,083.16 per multi-family residential unit.120
120 City of San Bruno. FY2022-23 Master Fee Schedule. July 2022.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 215 Initial Study
City of San Bruno December 2022
City of San Bruno Development Impact Fees Nexus Study
The City of San Bruno prepared the San Bruno Development Impact Fee Nexus Study designed to provide the City of San Bruno with the necessary technical documentation in order to adopt a comprehensive development impact fee program. As discussed in the nexus study, development impact fees are one-time charges on new development projects that are collected and used by jurisdictions to cover the cost of capital facilities and infrastructure needed to serve the new residential and development growth. Impact fees are regulated by Assembly Bill (AB) 1600 (Government Code Section 66000 et seq.). The purpose of the nexus study is to determine the maximum allowable fees that the City can charge for facilities and infrastructure consistent with the legal requirements of AB 1600. Fees collected under AB 1600 are to be collected for capital facility and infrastructure improvements only, used to fund facility needs created by new development rather than existing deficiencies, and the fees are to be based on a rational nexus between new development and the costs of the capital facilities and infrastructure needed to accommodate such development.

4.15.1.2 Existing Conditions
Fire Protection Services
Fire protection services are provided by the San Bruno Fire Department (SBFD), which employs 32 full-time firefighters and five administrative and support staff employees operating out of two fire stations.121 Station 51 is located on the south side of the City Hall complex at 555 El Camino Real and covers the area east of Interstate 280. Station 52 is located near the intersection of Sneath Lane and Earl Avenue at 1999 Earl Avenue and responds to emergency calls west of I-280. A Community Risk Assessment prepared for the SBFD in October 2022 determined that the general condition of both fire stations was poor and in need of replacement; the assessment also recommended relocating Station 52 to a vacant lot at the northwest corner of the San Bruno Avenue and Glenview Drive intersection. The SBFD currently has an average “call received to first unit arrival” response time of seven minutes and 36 seconds, which is below the National Fire Protection Association (NFPA) performance goal of six minutes and 30 seconds. The Community Risk Assessment also identified staffing deficits during high-rise structure fire, motor vehicle accident, and trench rescue events.

The SBFD is also subject to the San Mateo County Joint Powers Agreement (JPA), which requires that the closest available paramedic engine company respond to calls for emergency medical service, and the closest available engine and truck company respond to fire calls. In addition, a full assignment response such as a fire, fire alarm, or other type of call, which would necessitate a large response, requires three engines; therefore an additional engine would need to come from a neighboring jurisdiction in an event requiring a full assignment response. 121 San Bruno Fire Department/AB Triton Consulting. Community Risk Assessment: Standards of Cover & Deployment Analysis. October 2022.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 216 Initial Study
City of San Bruno December 2022
Housing Opportunity Site 6 is serviced by Station 52; the remaining Housing Opportunity Sites are served by Station 51.

Police Protection Services
Police protection services are provided by the San Bruno Police Department (SBPD). Police headquarters are located at 1177 Huntington Avenue and share the facilities with BART police.

SBPD employs 48 sworn officers (equivalent to 11 officers for every 10,000 residents) who provide police services and public safety dispatching to the City of San Bruno.122 SBPD deploys officers in a beat management system, which divides the City into four beats; as shown on Figure 4.15-1, Beat One encompasses Housing Opportunity Sites 7, 14, 15, 18, 19, and 21; Beat Two encompasses Sites 2, 4, 5, 8, 9, 10, 11, 12, 16, 17, 22, and 23; Beat Three encompasses Site 6; Beat Four encompasses Sites 1, 3, 13, and 20.

The San Bruno Development Impact Fee Nexus Study (refer to Section 4.15.1.1) identified the need for specific upgrades and additions to help the Police Department serve new growth in the City.

These include the expansion of the Evidence Room at a cost of $650,000, upgrades to the Dispatch Center at a cost of $700,000, the creation of a satellite police substation at a cost of $30,000, upgrades to surveillance and tracking technology at a cost of $525,000, and the replacement of police vehicles at a cost of $4,075,983.

Schools
Four public school districts serve San Bruno residents: San Bruno Park School District (SBPSD), Millbrae Elementary School District (MESD), South San Francisco Unified School District (SSFUSD), and the San Mateo Union High School District (SMUHSD). SBPSD, MESD, and SSFUSD serve grades K through eight; SMUHSD serves grades nine through 12.

None of the Housing Opportunity Sites are in the SSFUSD service area. Within the SBPSD service area, Sites 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, and 23 are served by Allen Elementary, located at 875 Angus Avenue West in San Bruno. Site 6 is served by Rollingwood Elementary, located at 2500 Cottonwood Drive in San Bruno. Within the MESD school district, Sites 10 and 16 are served by Lomita Park Elementary, located at 200 Santa Helena Avenue in San Bruno.

Within the SMUHSD service area, Sites 10 and 16 are served by Mills High School, located at 400 Murchison Drive in Millbrae; the remaining Housing Opportunity Sites are served by Capuchino High School, located at 1501 Magnolia Drive in San Bruno. 122 San Bruno Police Department. San Bruno General Plan Draft Environmental Impact Report. December 2008.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 CITY OF SAN BRUNO POLICE BEAT AND AREA MAP FIGURE 4.15-1 2023-2031 Housing Element Update
City of San Bruno
217 Initial Study
December 2022
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DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 218 Initial Study
City of San Bruno December 2022
Enrollment in SBPSD schools has been steadily declining, with enrollment numbers declining by approximately 23.4 percent between 2015 and 2021.123 Rollingwood Elementary is scheduled to close in June 2023; the SBPSD is currently in the process of redrawing school attendance boundaries to distribute the students that attend Rollingwood Elementary to the remaining four SBPSD schools for the 2023-2024 school year.124 Enrollment at MESD schools declined by approximately 12.6 percent between 2015 and 2021.125 Conversely, enrollment at SMUHSD schools increased by approximately 11.9 percent, although enrollment numbers at Mills High School and Capuchino High School have remained relatively constant, with a net change of minus 42 students and minus four students, respectively.[126][127][128]
Parks
San Bruno currently provides its residents with a total of 71 acres of city parkland. There are five small pocket parks, 12 neighborhood parks, and one large community park. The Parks and Recreation Services Department maintains all developed municipal park sites, street medians, and landscaping (including approximately 128 acres of open space and 7,250 trees) along San Mateo Avenue and at other City facilities. In addition to City parks, local recreation centers, school facilities, and a 108-acre regional park – San Mateo County’s Junipero Serra Park – provide recreational opportunities for San Bruno residents. Hiking and cycling trails are located west of the City boundary within the Golden Gate National Recreation Area and the San Francisco Peninsula Watershed, accessible from Sneath Lane and San Bruno Avenue. San Bruno City Park, Grundy Park, and Lion’s Field are the City’s most utilized parks.

As noted in Section 4.15.1.1, the City maintains a parkland standard of 4.5 acres per 1,000 residents.

The existing park acreage in the City is 199 acres (71 acres of City parkland plus Junipero Serra Park), which based on the existing population of 42,656 residents, equates to 4.66 acres per 1,000 residents.129
123 California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, San Bruno Park Elementary Report 41-69013”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4169013&agglevel=district&year=2021-22 124 San Bruno Park School District. “New Attendance Boundary Info”. Accessed November 14, 2022. https://www.sbpsd.org/page/new-attendance-boundary-info 125 California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Millbrae Elementary Report 41-68973”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4168973&agglevel=district&year=2021-22 126 California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, San Mateo Union High Report 41-69047”. Accessed November 14, 2022.
https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4169047&agglevel=district&year=2021-22 127 California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Mills High Report 41-69047-4134557”. Accessed November 14, 2022.
https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=41690474134557&agglevel=school&year=2021- 22 128 California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Capuchino High Report 41-69047-4130738”. Accessed November 14, 2022.
https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=41690474130738&agglevel=school&year=2021- 22 129 42,656 divided by 1,000 equals 42.656; 199 acres divided by 42.656 equals 4.665.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 219 Initial Study
City of San Bruno December 2022
Other Public Facilities
The San Bruno Public Library is located off El Camino Real adjacent to City Hall at 701 Angus Avenue W. A member library of the Peninsula Library System, the San Bruno Public Library provides children and adult programming as well as Spanish and Japanese language materials, and has over 120,000 circulating items including books, magazines, videos, DVDs, CDs, and books on tape and CD.

There are four different recreation centers in San Bruno: the Belle Air Community Center, the Veterans Memorial Recreation Center, the San Bruno Senior Center, and the Portola Performing Arts Center.

4.15.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project result in substantial adverse
physical impacts associated with the provision of
new or physically altered governmental facilities,
need for new or physically altered governmental
facilities, the construction of which could cause
significant environmental impacts, in order to
maintain acceptable service ratios, response times,
or other performance objectives for any of the
public services:
1) Fire Protection?
2) Police Protection?
3) Schools?
4) Parks?
5) Other Public Facilities?
Public services are provided to the community as a whole, usually from a central location or from a defined set of nodes. The resources base for delivery of the services, including the physical service delivery mechanisms, is financed on a community-wide basis, usually from a unified or integrated financial system. The service delivery can be provided by a city, county, service, or other special district. Usually, new development will create an incremental increase in the demand for these services. The amount of the demand will vary widely, depending on both the nature of the development (residential vs. industrial, for instance) and the type of services, as well as on the specific characteristics of the development (such as senior housing vs. family housing).

The impact of a particular project on public services and facilities is generally a fiscal impact. By increasing the demand for a type of service, a project could cause an eventual increase in the cost of providing the service (more personnel hours to patrol an area, additional fire equipment needed to service a tall building, etc.). CEQA requires analysis of fiscal impacts to the extent that increased demand triggers the need for a new facility (such as a school or fire station), since the new facility would have physical effects on the environment.
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DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 220 Initial Study
City of San Bruno December 2022
Impact PS-1: The project would not result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times, or other performance objectives for fire protection services. (Less than Significant Impact) As noted in Section 4.15.1.2, the SBFD is currently not meeting staff service ratios and response time performance objectives, and both stations are in need of replacement. Additionally, the Community Risk Assessment recommended relocating Station 52 from its current location at 1999 Earl Avenue approximately 2,275 feet to the south to a vacant lot located at the northwest corner of the San Bruno Avenue and Glenview Drive intersection.

Redevelopment of the Housing Opportunity Sites would add substantial population to the City which is expected to increase demand for fire protection services. Demand for fire protection services at the sites would be reduced with mandatory adherence to General Plan and Municipal Code policies and requirements identified in Section 4.15.1.1 by future development projects. As shown on Figure

4.20-1, Site 6 is located within a Wildland Fire Hazard Area, and Sites 3 and 14 are partially within a Wildland/Urban Interface Area. Accordingly, Sites 3, 6, and 14 would be required to comply with General Plan Policy PFS-30, which would require the installation and maintenance of a variety of fire protection measures, thus reducing site-specific demand generated by redevelopment of these sites.

Payment of development impact fees and taxes by future development would contribute to the replacement of Station 51 and the potential construction of a new Fire Station 52 at the vacant lot located at the northwest corner of the San Bruno Avenue/Glenview Drive intersection. As noted above, the need for new or physically altered fire stations exists and would not be a direct result of the Housing Element Update.

While the specific details of any future alterations or replacement of Station 51 are not currently known, replacement of Station 51 is anticipated to be found categorically exempt under CEQA Guidelines Section 15302, given that it would involve the replacement of an existing facility on the same site with fundamentally the same purpose and capacity as the structure replaced, and none of the exceptions identified in Section 15300.2 appear to be present. Future project-level CEQA review would be required to replace Fire Station 51, but it is not foreseeable at this time that any significant impacts would result that would not be adequately addressed through standard requirements and measures regularly imposed on new development.

Prior to the demolition of Station 52, all ACMs, lead-based paint, and PCBs would be removed in accordance with Section 19827.5 of the California Health and Safety Code, BAAQMD regulations (specifically Regulation 11, Rule 2, Hazardous Materials; Asbestos Demolition, Renovation and Manufacturing) and Cal/OSHA requirements (refer to Section 4.9.1.1). Construction of a new fire station at the vacant lot located at the northwest corner of the San Bruno Avenue and Glenview Drive intersection is not anticipated to result in any significant environmental effects that cannot be mitigated, given that:

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 221 Initial Study
City of San Bruno December 2022
• Fire stations are generally a low-impact land use in terms of vehicle trips, emissions, consumption of resources (electricity, natural gas, gasoline, water) and generation of waste, hazardous materials and emissions, ground disturbance, and noise and vibration; • Fire Stations are commonly located adjacent to sensitive receptors (as the current Station 52 is);
• The existing height limitation imposed by Ordinance 1284 and a corresponding modest building footprint and size;
• The absence of any agricultural/forestry resources, special-species habitat (refer to Figure

4.4-1), historic buildings (refer to Figure 4.5-2), geological and soil concerns (refer to Figure

4.7-1), soil contamination130, and waterways (refer to Figure 4.10-1). • Consistent with the findings of the Community Risk Assessment, construction of a new fire station would improve response times, thereby resulting in a beneficial impact on fire protection services.

Both the replacement of Station 51 and relocation of Station 52 would be subject to project-level environmental review once specific station plans have been set forth and funds have been allocated.

Based on the aforementioned reasons, it is anticipated that the new or altered stations would either be found categorically exempt or, if deemed ineligible for categorical exemption, that any potentially significant impacts identified can be reduced to a less than significant level through mitigation, thereby resulting in a mitigated negative declaration. For the reasons stated above, implementation of the Housing Element Update would not result in substantial adverse physical environmental impacts associated with the provision of new or physically altered fire protection facilities in order to maintain acceptable service ratios, response times, or other performance objectives.

Impact PS-2: The project would not result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times, or other performance objectives for police protection services. (Less than Significant Impact) As documented in Section 4.15.1.2, the SBPD is currently providing 11 officers for every 10,000 residents; the City’s target service ratio is to meet the national average of 16.6 officers for every 10,000 residents. Additionally, the City of San Bruno Development Impact Fees Nexus Study (refer to Section 4.15.1.1) determined that renovations to the existing police headquarters were necessary in order to serve projected growth in the City.

Redevelopment of the Housing Opportunity Sites would substantially increase the City’s population, which is expected to increase demand for police protection services in comparison with the existing development at these sites. The renovations identified in the nexus study, which include the expansion of the Evidence Room and upgrades to the Dispatch Center, would not require substantial construction or result in a change of use or intensity of operations that could have an environmental 130 California Environmental Protection Agency. “Cortese List Data Resources.” Accessed November 15, 2022. https://calepa.ca.gov/sitecleanup/corteselist/.

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impact. The nexus study also identified the need for a satellite police substation at a cost of $30,000, which would involve the setup of a small portable building on a yet to be determined site. No construction activity would be required to install the portable building, and due to its small size and intended use, operation of the police substation is not anticipated to incur any potentially significant impacts. Project-level review of the police substation would be required once a specific plan has been proposed, and is anticipated to either be categorically exempt or eligible for a Negative Declaration, and therefore would not result in any significant environmental impacts.

Payment of development impact fees and taxes by future development would contribute to the completion of the improvements to the police headquarters and installation of the police substation identified in the nexus study. These actions would require subsequent project-level analysis, and for the aforementioned reasons are not anticipated to result in any significant environmental impacts. For the reasons stated above, implementation of the Housing Element Update would not result in substantial adverse physical environmental impacts associated with the provision of new or physically altered police facilities in order to maintain acceptable service ratios, response times, or other performance objectives.

Impact PS-3:

The project would not result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times, or other performance objectives for schools. (Less than Significant Impact)
As discussed in Section 4.14.2 under Impact POP-1, buildout of the Housing Element Update would result in the construction of an additional 3,618 housing units. Of these 3,618 housing units, 669 units are associated with pipeline projects which have already undergone review of their impacts to school facilities and have paid or will pay their development impact fees, and 240 units are ADUs, which are not anticipated to generate significant numbers of students and whose location is undetermined at this time, and therefore their respective school district is not reasonably foreseeable.

Sites 10 and 16 would be the only sites to generate students at Lomita Park Elementary, Taylor Middle, and Mills High, and given that these sites would be redeveloped under the project with only four single-family residences, would not result in substantial adverse effects on these facilities.

Of the remaining 2,704 housing units, this analysis assumes that the project would result in the construction of 134 single-family units and 2,570 multi-family units.[131][132] Using the SBPSD
“single-family detached” and “multi-family” student generation rates for elementary and middle school students, buildout of these 2,704 units would generate 204 elementary and middle school 131 Based on an assumption that Sites 6 and 8 would be developed with single-family units, and the remaining sites would be developed with multi-family units. 132 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

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students total.133 Using the SMUHSD “single-family residential” and “multi-family” student generation rates, buildout of the 2,704 units would generate 143 high school students at Capuchino High.134
As documented in Section 4.15.1.2, enrollment in the SBPSD declined from 2,727 students to 2,087 students (minus 640 students) between 2015 and 2021, which is greater than the number of students that would be generated by Housing Opportunity Sites (204 students) within the SBPSD service area.

Accordingly, the increase in enrollment generated by the Housing Element Update is not anticipated to exceed the available capacities of the SBPSD facilities such that new or expanded facilities would be required. Further, consistent with Government Code Sections 65995 through 65998 (refer to Section 4.15.1.1 Regulatory Framework), school impact fees will be paid to the affected school districts prior to the issuance of a building permit by the City. These funds would be used by SBPSD to accommodate additional students, and support the reopening of Rollingwood Elementary, if necessary.

Conversely, enrollment in the SMUHSD increased from 8,626 students to 9,655 students (plus 1,029 students) between 2015 and 2021, although enrollment at Capuchino High decreased by four students during the same period. While the 2,704 units within the SMUHSD service area would increase enrollment by 143 students, Capuchino High has recently supported as many as 1,225 students (an additional 102 students in comparison with current enrollment) during the 2019-2020 school year.

The additional 41 students added by the project to the Capuchino High in comparison with peak enrollment during the 2019-2020 school year is not anticipated to cause enrollment to exceed capacity. Further, the school impact fees paid during the buildout period would go towards installing portable buildings or completing any physical improvements necessary to accommodate the additional students. The SMUHSD could also consider adjustment of attendance boundaries to better allocate students to available school capacities. Consistent with Government Code Sections 65995 through 65998 (refer to Section 4.15.1.1 Regulatory Framework), payment of development impact fees by future development would ensure that buildout of the Housing Element Update would provide funding to help offset increased student populations that would require new or expanded school facilities.

Impact PS-4: The project would not result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times, or other performance objectives for parks. (Less than Significant Impact)
Unlike fire and police stations and schools, parks do not have established service areas, since they can be used by anyone, including non-residents. Accordingly, the analysis of the Housing Element Update below examines the cumulative impact of buildout of all Housing Opportunity Sites on parks throughout the City.
133 Single family detached rate: 0.113; multi-family rate: 0.073. 134 Single family residential rate: 0.1; multi-family rate: 0.05.

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As discussed in Section 4.14.2 under Impact POP-1, buildout of the Housing Opportunity Sites would result in the construction of an additional 3,618 housing units. Using the City’s average number of residents per household (2.64), construction of 3,618 housing units would increase the City’s population by an additional 9,552 residents in comparison with existing conditions.

The City maintains a parkland standard of 4.5 acres per 1,000 residents. The existing park acreage in the City is 199 acres, which based on the existing population of 42,656 residents, equates to 4.66 acres per 1,000 residents.135 Implementation of the Housing Element would increase the City’s population to 52,208 residents through the year 2031, which would equate to 3.81 parkland acres per 1,000 residents.136 Consistent with Section 12.260 of the San Bruno Municipal Code (refer to Section

4.15.1.1), future residential development would be required to pay development impact fees. These fees would fund a portion of the anticipated new park and recreation infrastructure and capital facilities needed to accommodate growth and maintain performance standards. The fees paid by future developers would be used by the City to acquire and/or improve new park and recreation infrastructure and capital facilities. New facilities would be subject to their own project-level CEQA review.

For the reasons stated above, implementation of the Housing Element Update would not result in substantial adverse physical environmental impacts associated with the provision of new or physically altered park facilities in order to maintain acceptable service ratios, response times, or other performance objectives.

Impact PS-5: The project would not result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times, or other performance objectives for other public facilities. (Less than Significant Impact) As noted in the City’s Development Impact Fee Nexus Study (refer to Section 4.15.1.1), the City has identified the need to provide new libraries and recreation facilities or physically alter existing library and recreation facilities, based on the relative share of service population growth attributable to new residents and employees. Implementation of the Housing Element Update would cause demand for public facilities to increase. Future residential development under the Housing Element would be required to pay development impact fees, which would partially fund new or physically altered facilities needed to accommodate growth and maintain performance standards. The fees paid by future developers would be used by the City to acquire and/or improve new public facilities. New facilities would be subject to their own project-level CEQA review.

For the reasons stated above, implementation of the Housing Element Update not result in substantial adverse physical environmental impacts associated with the provision of new or physically altered public facilities in order to maintain acceptable service ratios, response times, or other performance objectives.
135 42,656 divided by 1,000 equals 42.656; 200 acres divided by 42.656 equals 4.688. 136 52,208 divided by 1,000 equals 52.208; 199 acres divided by 52.208 equals 3.811.

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4.16 RECREATION

4.16.1 Environmental Setting

4.16.1.1 Regulatory Framework
State
Government Code Section 66477
The Quimby Act (included within Government Code Section 66477) requires local governments to set aside parkland and open space for recreational purposes. It provides provisions for the dedication of parkland and/or payment of fees in lieu of parkland dedication to help mitigate the impacts from new residential developments. The Quimby Act authorizes local governments to establish ordinances requiring developers of new residential subdivisions to dedicate parks, pay a fee in lieu of parkland dedication, or perform a combination of the two.

City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating recreational impacts resulting from planned development within the City including the following:

Policies Description
LUD-76 Assure that new development mitigates impacts on existing public services, including transit services, water, sewer, and storm drainage systems, police and fire protection, libraries, and parks and recreation facilities.

OSR-1 Maintain a parkland dedication/in lieu fee standard of 4.5 acres/1,000 residents.

OSR-2 Amend the City’s Zoning Ordinance to ensure that all developments are subject to dedication/in lieu fee requirements, whether or not such developments result from subdivision.

OSR-4 Undertake a program to add 20 acres of parkland to the City system over the next 20 years.

Seize all opportunities to develop and/or maintain parks and recreation facilities within existing residential neighborhoods through acquisition or preservation of former school facilities.

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Policies Description
OSR-5 Strive to locate neighborhoods park facilities within 1/3-mile walking distance of all residences in San Bruno. If limited in some neighborhoods, coordinate with local school districts to allow use of playgrounds and sports facilities after school hours.

OSR-9 Actively implement the City’s Comprehensive Parks and Recreational Facilities Master Plan, which more fully identifies park and recreation needs and deficiencies.

OSR-12 Study potential locations and funding mechanisms for the development of a Teen Recreation Center that provides the types of programs and activities to successfully attract the City’s teens.

OSR-13 Design and construct non-traditional recreation facilities (skateboarding/BMX bike park, rock climbing wall, etc) to provide alternative forms of recreation for the City’s teens.

Coordinate this facility with the Parks and Recreation Commission.

OSR-14 Continue to support and expand adult (50+) programs and activities offered at the Senior Center. Develop plans to expand the facility as needed to accommodate the City’s senior population.

OSR-15 Study potential sites and funding mechanisms for relocation of the San Bruno Swim Center, or development of a new multi-programmed Aquatics Facility.

PFS-3 Require, as part of plan review, identification of needed public service improvement and maintenance costs for those projects that may have a significant impact on existing services.

PFS-5 Develop a Civic Center Complex Master Plan, in order to coordinate rehabilitation and expansion of the various City departments and service providers.

City of San Bruno Municipal Code
Pursuant to Section 12.260 of the City’s Municipal Code, the City assesses fees upon development projects to fully or partially offset the costs of public facilities and infrastructure that is needed to serve new demand created by development projects. As established by Municipal Code Section

12.44, the City maintains a parkland dedication/in-lieu fees standard of 4.5 acres per 1,000 residents.

Effective July 1, 2022, the development impact fee is $29,494.53 per single-family residential unit and $27,083.16 per multi-family residential unit.137
137 City of San Bruno. FY2022-23 Master Fee Schedule. July 2022.

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City of San Bruno Development Impact Fees Nexus Study
The City of San Bruno prepared the San Bruno Development Impact Fee Nexus Study designed to provide the City of San Bruno with the necessary technical documentation in order to adopt a comprehensive development impact fee program. As discussed in the nexus study, development impact fees are one-time charges on new development projects that are collected and used by jurisdictions to cover the cost of capital facilities and infrastructure needed to serve the new residential and development growth. Impact fees are regulated by Government Code Sections 66000- 66025. The purpose of the nexus study is to determine the maximum allowable fees that the City can charge for facilities and infrastructure consistent with the legal requirements of AB 1600. Fees collected under AB 1600 are to be collected for capital facility and infrastructure improvements only, used to fund facility needs created by new development rather than existing deficiencies, and the fees are to be based on a rational nexus between new development and the costs of the capital facilities and infrastructure needed to accommodate such development.

4.16.1.2 Existing Conditions
San Bruno currently provides its residents with a total of 72 acres of City parkland. There are five small pocket parks, 12 neighborhood parks, and one large community park. The Parks and Recreation Services Department maintains all developed municipal park sites, four school sites, street medians, and landscaping along San Mateo Avenue and at other City facilities. Hiking and cycling trails are located west of the city boundary within the Golden Gate National Recreation Area and the San Francisco Peninsula Watershed, accessible from Sneath Lane and San Bruno Avenue.

San Bruno City Park, Grundy Park, and Lion’s Field are the City’s most utilized parks.

In addition to city parks, local recreation centers, school facilities, and a 108-acre regional park—San Mateo County’s Junipero Serra Park—provide recreational opportunities for San Bruno residents.

There are four different recreation centers in San Bruno: the Belle Air Community Center, the Veterans Memorial Recreation Center, the San Bruno Senior Center, and the Portola Performing Arts Center.

4.16.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
1) Would the project increase the use of existing
neighborhood and regional parks or other
recreational facilities such that substantial
physical deterioration of the facility would
occur or be accelerated?
2) Does the project include recreational facilities
or require the construction or expansion of
recreational facilities which might have an
adverse physical effect on the environment?
□ □ □
□ □ □
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Impact REC-1: The project would not increase the use of existing neighborhood and regional parks or other recreational facilities such that substantial physical deterioration of the facility would occur or be accelerated. (Less than Significant Impact)
As discussed in Section 4.14.2 under Impact POP-1, buildout of the Housing Opportunity Sites, along with 669 pipeline units that have been entitled and 240 ADUs, would result in the construction of an additional 3,618 housing units. Using the City’s average number of residents per household (2.64), construction of 3,618 housing units would increase the City’s population by an additional 9,552 residents in comparison with existing conditions.

Implementation of the Housing Element Update and the associated increase in population is anticipated to increase the use of parks and other recreational facilities. As discussed in Section 4.15 under Impact PS-4, buildout of the Housing Element Update would not result in substantial adverse physical environmental impacts associated with the provision of new or physically altered park facilities in order to maintain performance objectives. Therefore, the project would not increase the use of neighborhood or regional parks such that substantial physical deterioration of the facility would occur or be accelerated. Further, consistent with Section 12.260 of the San Bruno Municipal Code (refer to Section 4.15.1.1), future residential development would be required to pay development impact fees. These fees would fund a portion of the anticipated new recreation infrastructure and capital facilities needed to accommodate growth and maintain facilities. The fees paid by future developers would be used by the City to acquire and/or improve recreation infrastructure and capital facilities.

For the reasons stated above, implementation of the Housing Element Update would not increase the use of recreational facilities such that substantial physical deterioration of the facility would occur or be accelerated.

Impact REC-2: The project does not include recreational facilities or require the construction or expansion of recreational facilities which might have an adverse physical effect on the environment. (Less than Significant Impact) It is reasonably foreseeable that future development under the Housing Element Update may include on-site open space and other recreational facilities, or require the construction or expansion of recreational facilities. As noted elsewhere in this Initial Study, new or expanded facilities would be subject to their own project-level CEQA review, and recreational facilities are low-impact land uses that do not typically result in substantial environmental impacts. Further, the EIRs prepared for the General Plan, TCP, and Bayhill Specific Plan concluded that with adherence to the General Plan policies identified in Section 4.16.1.1 and payment of development impact fees, construction or expansion of recreational facilities would have less than significant environmental impacts.

Development of the Housing Opportunity Sites would be subject to General Plan policies identified in Section 4.16.1.1 and required to pay their fair share of development impact fees. For these reasons, new or expanded recreational facilities constructed as a result of the Housing Element Update would not have an adverse physical effect on the environment.

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4.17 TRANSPORTATION
The following discussion is based, in part, on an VMT Analysis prepared for the Housing Element Update by Hexagon Transportation Consultants, Inc. A copy of this report, dated May 2022, is attached to this Initial Study as Appendix C.

4.17.1 Environmental Setting

4.17.1.1 Regulatory Framework
State
Senate Bill 743
SB 743 establishes criteria for determining the significance of transportation impacts using a vehicle miles traveled (VMT) metric intended to promote the reduction of GHG emissions, the development of multimodal transportation networks, and a diversity of land uses. Specifically, SB 743 requires analysis of VMT in determining the significance of transportation impacts. Local jurisdictions were required by Governor’s Office of Planning and Research (OPR) to implement a VMT policy by July 1, 2020.

SB 743 did not authorize OPR to set specific VMT impact thresholds, but it did direct OPR to develop guidelines for jurisdictions to utilize. CEQA Guidelines Section 15064.3(b)(1) describes factors that might indicate whether a development project’s VMT may be significant. Notably, projects located within 0.50 mile of transit should be considered to have a less than significant transportation impact based on OPR guidance.

Regional
Regional Transportation Plan
MTC is the transportation planning, coordinating, and financing agency for the nine-county San Francisco Bay Area, including Contra Costa County. MTC is charged with regularly updating the Regional Transportation Plan, a comprehensive blueprint for the development of mass transit, highway, airport, seaport, railroad, bicycle, and pedestrian facilities in the region. MTC and ABAG adopted Plan Bay Area 2050 in October 2021, which includes a Regional Transportation Plan to guide regional transportation investment for revenues from federal, state, regional and local sources through 2050.

City/County Association of Governments
C/CAG works on issues that affect the quality of life in general: transportation, air quality, stormwater runoff, airport/land use compatibility planning, hazardous waste, solid waste and recycling. C/CAG, as the Congestion Management Agency for San Mateo County, is required to prepare and adopt a Congestion Management Program (CMP) on a biennial basis. The purpose of the CMP is to identify strategies to respond to future transportation needs, develop procedures to alleviate and control congestion, and promote countywide solutions. The CMP is required to be consistent with the MTC planning process that includes regional goals, policies, and projects for the DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 230 Initial Study
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Regional Transportation Improvement Program.138 Projects are required to submit a Transportation Demand Management (TDM) plan in compliance with the CMP guidelines if the project will generate 100 net new average daily trips (ADT) to the CMP roadway network.

Local
City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating transportation impacts resulting from planned development within the City including the following:

Policies Description
HS-17 Synchronize traffic signals between El Camino Real, Sneath Lane, Huntington Avenue, and San Bruno Avenue, to improve traffic flows into and out of the San Bruno BART Station.

HS-18 Require right-of-way landscaping to be maintained at an appropriate scale, so as to not reduce visibility at intersections.

HS-19 Should Caltrans vacate El Camino Real as a State highway, reconfigure the roadway to include wide sidewalks, streetscaping, and marked bicycle lanes. Consider various alternative configurations of traffic flow.

LUD-9 Provide safe and comfortable pedestrian routes through residential areas by requiring sidewalks on both sides of streets, planting street trees adjacent to the curb, allowing onstreet parking, and minimizing curb cuts.

T-A Provide for efficient, safe, and pleasant movement for all transportation modes—vehicles, bicycles, transit, and pedestrians.

T-B Maintain acceptable levels of service for vehicular movement along the city’s street network.

Acceptable level of service could vary based on characteristics of the area under consideration.

T-D Provide adequate parking facilities for commercial, industrial, and transit station areas.

T-E Focus San Bruno’s efforts on improvements to the non-motorized transportation system (i.e., bicycles, pedestrians, strollers, etc.) adjacent to transit corridors and stations, and their connections to those systems.

T-F Provide efficient local transit—such as a shuttle system—to the BART and Caltrain stations to avoid dependence on individual motor vehicles.

T-G Protect residential areas from congestion and associated noise resulting from BART and Caltrain spillover traffic. 138 City/County Association of Governments of San Mateo County. “San Mateo County Congestion Management Program 2019”. Accessed October 24, 2022. https://ccag.ca.gov/programs/transportation-programs/congestionmanagement/.

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Policies Description
T-H Provide efficient local transit—such as a shuttle system—to the BART and Caltrain stations to avoid dependence on individual motor vehicles.

T-I Develop and maintain a comprehensive bicycle network within San Bruno, providing connections to BART and Caltrain, surrounding cities, employment and shopping areas, and natural areas.

T-J Develop a safe, convenient, and continuous network of sidewalks and pedestrian paths within the city.

T-2 Ensure that all transportation improvements—roadway, transit, bicycle, and pedestrian—are designed and constructed according to Americans with Disabilities Act standards. Improve existing facilities so they are compliant with American Disability Act standards.

T-3 Encourage provision of bicycle facilities such as weather protected bicycle parking, direct and safe access for pedestrians and bicyclists to adjacent bicycle routes and transit stations, showers and lockers for employees at the worksite, secure short-term parking for bicycles, etc.

T-6 Maintain LOS standards for intersections for AM and PM peak periods as shown in Figure 4-

2. T-7 Undertake improvements to intersections shown T-7 in Table 4-8 and in Figure 4-7 to ensure their operation at the LOS shown in Figure 4-2. Determine costs for these improvements and establish an impact fee program to assess improvement costs to new development, proportionate to the impacts created by such development.

T-8 Support widening of Skyline Boulevard between Sneath Lane and I-280 to alleviate traffic congestion problems, if concerns regarding sensitive natural resources can be mitigated.

Preserve the mature trees in the area, if feasible.

T-10 Improve signage and access at the intersection of San Mateo Avenue, Taylor Avenue, and El Camino Real.

T-14 Use traffic-calming measures to reduce speeding in residential areas, rather than limiting through-street connections. Traffic-calming measures may include:
• Narrowing travel lanes and allowing on-street parking; • Using different paving materials at pedestrian crosswalks; • Planting street trees and other vegetation;
• Building corner bulb-outs and intersection round-abouts; • Installing stop and/or yield signage; and
• Speed limit enforcement or other mitigation measures.

T-17 Synchronize traffic signals between El Camino Real, Sneath Lane, Huntington Avenue, and San Bruno Avenue, to improve traffic flows into and out of the San Bruno/Tanforan BART Station.

T-21 Consider investment in Intelligent Transportation System (ITS) to enhance efficiency of existing network, potential ITS strategies includes:
• Roadway monitoring system (cameras, centralized traffic control center) • Enhance travel information (variable message signs at major intersections) • Incidence Response Plan
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Policies Description
• Adaptive Traffic Signal Timing along major arterials
T-22 Apply turning restrictions to major arterials during peak hours to improve general traffic flow.

T-23 Implement Parking Guidance System to guide motorists to parking locations in commercial areas.

T-24 Implement targeted reinforcement program to eliminate double parking in downtown and along San Bruno Ave and El Camino Real.

T-34 Comprehensively review and revise parking standards for new office and commercial development providing alternative transportation measures (i.e., vanpool, shuttle service, bicycle storage).

T-35 Conduct a parking study to determine potential deficiencies at parks and public facilities.

Recommend parking solutions.

T-36 Enforce on-street and off-street parking restrictions, particularly of motor homes, trailers, boats, and non-operating vehicles, and in residential areas near major transit facilities.

T-37 Require provisions and marking of handicapped parking spaces in conformance with California Vehicle Code to allow enforcement by public agencies or private interests.

T-38 Study the possibility of providing public parking facilities for commercial and industrial areas. Designate general areas where parking lots are needed; purchase site(s) if possible when land uses change to avoid displacement of occupants. Consider the use of assessment districts to fund land acquisition.

T-39 Encourage parking lot access from non-residential side streets in order to minimize interruption to traffic flow on primary streets (San Bruno Avenue east of El Camino Real and along El Camino Real).

T-40 Consider reduced parking standards within transit corridors and station areas in recognition of their proximity to high frequency transit service, mix of land uses, and walkable environment.

T-41 Allow joint use of parking facilities when nearby uses have staggered peak periods of demand.

T-42 Do not allow parking lots to dominate the frontage of mixed-use streets, interrupt pedestrian routes, or negatively impact surrounding neighborhoods.

T-43 Create a “pedestrian-friendly” environment surrounding the BART and Caltrain stations by installing additional street trees, lighting, signage, and widening sidewalks along streets adjacent to these stations.

T-44 Support the Caltrain Grade Separation Project, featuring relocation of the Caltrain station above grade at the San Mateo Avenue/San Bruno Avenue intersection. Provide main parking facilities for the Caltrain station on the former San Bruno Lumber site north of the intersection, and bicycle and pedestrian connections to surrounding areas with prominence given to access south to Downtown.

T-45 During the Caltrain Grade Separation Project, ensure that the San Bruno station serves as an important gateway and northern anchor to Downtown, which should be clearly visible from the station platform.

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Policies Description
T-46 As rail capacity increases with expanded BART and Caltrain service, install pedestrian safety measures—such as clear markings, safety gates, alternative routes, or overcrossings—at all at-grade railway crossings in the city. At grade-separated locations, provide safe pedestrian under-crossings.

T-47 Improve multi-modal access—specifically for pedestrians, cyclists, and transit passengers— to the BART and Caltrain stations through improvements along Huntington Avenue.

T-48 Incorporate a dedicated pedestrian crossing and flashing street markers at the new four-way signal installed on El Camino Real connecting The Crossing with The Shops at Tanforan and the San Bruno BART station.

T-49 Install adequate turning, driveway, and drop-off lanes at the San Bruno BART and planned S n Bruno Avenue Caltrain stations to accommodate the increased levels of traffic expected.

T-50 Consider developing a shuttle service to provide reliable, consistent, and convenient access between the BART and Caltrain stations and other destinations within the city, including Bayhill Office Park, Skyline College, Downtown, schools and neighborhoods in the western and southern portions of the city.

T-51 Publicize all routes that provide non-auto access to the BART and Caltrain station areas, such as the GAP Inc. shuttle, bicycle routes, etc.

T-52 Work with BART and Caltrain to provide park and ride facilities with convenient, safe pedestrian access to the transit stations.

T-53 Coordinate with the Peninsula Corridor Joint Powers Board to ensure design of the planned San Bruno Avenue Caltrain Station (and Grade Separation Project) that will accommodate such regional transit improvements.

T-55 Consider developing a parking permit system in residential areas adjacent to the new Caltrain Station to prevent overflow parking, when requested by a designated majority of residents in that area.

T-57 Work with SamTrans to schedule the routing of public transit in San Bruno so that a majority of residents are within walking distance of transit stops.

T-58 Work with SamTrans to design the local bus transit system for maximum passenger satisfaction, safety, comfort, convenience, and privacy.

T-59 Encourage SamTrans to configure bus transit service to serve connections with other transit systems (BART, Caltrain, SFO Airport, and other bus lines).

T-65 Work with SamTrans to locate transit stops directly adjacent to buildings with retail frontage, rather than severed by large parking lots.

T-66 Design arterial and collector streets to facilitate safe pedestrian crossings to transit stops.

Provide crosswalks at all signalized arterial intersections.

T-67 Encourage installation of bus shelters, appropriate for year-round weather, to provide comfortable, safe waiting areas for SamTrans riders.

T-69 Continue to work toward dedication and/or installation of bicycle lanes throughout the city in accordance with [General Plan] Figure 4-4, to enhance recreational opportunities and make bicycling a more viable transportation alternative. Implement bicycle route improvements DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 234 Initial Study
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Policies Description
including signing, striping, paving, and provision of bicycle facilities at employment sites, shopping centers, schools, and public facilities.

T-70 Identify funding for and implement as a priority bicycle/pedestrian paths along the BART and Caltrain track alignments (Huntington Avenue and Herman Avenue) within the city limits. Coordinate with the Linear Park planned in South San Francisco and Millbrae.

T-71 Provide bicycle parking facilities in Downtown, Bayhill Office Park, BART and Caltrain Stations, The Shops at Tanforan and Towne Center, parks, schools, and other key destinations. Review bicycle standards as part of the Zoning Ordinance Update.

T-72 Identify and mark safe bicycle routes providing connections between the BART and Caltrain stations, and the following regional trail networks:
• Bay Area Ridge Trail,
• Sweeney Ridge Trail,
• Bay Trail,
• San Andreas Trail, and
• Sawyer Camp Trail.

T-74 Ensure maintenance of vegetation along bicycle routes within the city. Ensure that overgrown vegetation does not push bicyclists into vehicular travel lanes and cause potential accidents.

T-75 Link sidewalks directly to building entrances. Avoid routes through parking lots or at the rear of residential developments.

T-76 Require construction of sidewalks at least five (5) feet wide along newly built streets within San Bruno, and four (4) feet wide on older streets to preserve street character in older neighborhoods.

T-77 Create a pedestrian-oriented setting along the Pedestrian Emphasis Zones (see [General Plan] Figure 4-6) through potential construction of the following public improvements:
• Brick pavers to make sidewalks look more distinct
• Street trees to soften the environment and provide color and shade; • Human-scale street lights for enhanced aesthetics and illumination; • Banners and flags to make the area look more festive and cheerful; and • Benches to give people a place to sit, rest, and watch what goes on around them.

T-78 Allow new development to contribute to the Pedestrian Emphasis Zones (Figure 4-6) through construction of off-site improvements.

T-80 Install safety improvements for pedestrian crossings along El Camino Real. Such improvements may include bulb-outs at the corners, crossing medians, and signal synchronization.

T-81 Provide for public safety and efficient operation in the planning, construction, and maintenance of transportation facilities.

City of San Bruno Transportation Element
The transportation element of the San Bruno General Plan describes San Bruno’s existing transportation network, including roadway and highway system, scenic corridors, transit systems, and pedestrian and bicycle facilities, and provides policies that address all modes of transportation, as DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 235 Initial Study
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well as the interrelationship between the modes. Circulation and traffic within the City specifically are analyzed by examining roadway and intersection operations in terms of “level of service” (LOS), which is a measure of driving conditions and vehicle delay. Levels of service range from A (best) to F (poorest). LOS A, B and C indicate conditions where traffic can move relatively freely. LOS D describes conditions where delay is more noticeable. LOS E indicates conditions where traffic volumes are at or close to capacity, resulting in significant delays and average travel speeds that are one-third the uncongested speeds or lower. LOS F characterizes conditions where traffic demand exceeds available capacity, with very slow speeds (stop-and-go), long delays (over a minute) and queuing at signalized intersections.

City of San Bruno Walk ‘N Bike Plan
The City of San Bruno Walk ‘N Bike Plan was adopted July 26, 2016. The plan presents the desired state of walking and biking in San Bruno 10 years out that would result from implementation of the Walk ‘N Bike Plan. Chapters Five through Eight of the Walk ‘N Bike Plan identify specific infrastructure projects and program action items that would implement the City’s vision.

City of San Bruno Development Impact Fees Nexus Study
The City of San Bruno prepared the San Bruno Development Impact Fee Nexus Study designed to provide the City of San Bruno with the necessary technical documentation in order to adopt a comprehensive development impact fee program. As discussed in the nexus study, development impact fees are one-time charges on new development projects that are collected and used by jurisdictions to cover the cost of capital facilities and infrastructure needed to serve the new residential and development growth. Impact fees are regulated by Assembly Bill (AB) 1600 (Government Code Section 66000 et seq.). The purpose of the nexus study is to determine the maximum allowable fees that the City can charge for facilities and infrastructure consistent with the legal requirements of AB 1600. Fees collected under AB 1600 are to be collected for capital facility and infrastructure improvements only, used to fund facility needs created by new development rather than existing deficiencies, and the fees are to be based on a rational nexus between new development and the costs of the capital facilities and infrastructure needed to accommodate such development.

Transit Corridors Plan
As noted in Section 3.1.1.1, Housing Opportunity Sites 1, 2, 4, 5, 7, 9, 11, 12, 15, 17, 20, 21, 22, and 23 are located within the TCP area. The TCP includes development standards and design guidelines that govern future private development actions in the TCP area, including the following which pertain to the circulation system.

Policies Description
TRANS-A Promote the development of the Transit Corridors Area’s street and intersection network that supports the proposed intensification of land uses, while providing mobility for all travel modes.

TRANS-B Ensure increased transit connectivity within and to/from the Transit Corridors Area and provide for transit amenities at stops and stations that increase the visibility of stops/stations and improve the comfort and convenience for transit riders.

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Policies Description
TRANS-C Encourage improved bicycle connectivity and enhanced bicycle parking opportunities within the Transit Corridors Area linking the surrounding land uses and future Caltrain station.

TRANS-D Facilitate pedestrian access and safety through pedestrian enhancements, including the provision of enhanced crosswalks at all intersections and wider sidewalks and pedestrian amenities along the transit corridors.

TRANS-E Develop and implement a parking management strategy for the Plan area that makes efficient use of the City’s parking supply through shared parking strategies and that provides the lowest number of parking spaces, while still maintaining the viability of the Plan through efficient use of the parking supply within the Plan Area.

TRANS-F Develop and implement a TDM Program that reduces the amount of peak-period motor vehicle traffic and encourages the use of modes other than the single-occupant vehicle.

Bayhill Specific Plan
As noted in Section 3.1.1.1, Housing Opportunity Sites 3 and 13 are located within the Bayhill Specific Plan area. Chapter Four of the Bayhill Specific Plan includes mandatory transportation policies, including the following which were identified in the Bayhill Specific Plan EIR.

Policy 4-5
Policy 4-5 encourages TDM programs to support high-frequency, reliable, all-day shuttle to BART and Caltrain stations and Downtown San Bruno, and requires the preparation of a first/last mile study for travel between the Bayhill Specific Plan area and the BART and Caltrain stations that includes a study of bicycle connections.

Policy 4-6
Policy 4-6 requires the City and property owners in the Bayhill Specific Plan area to enhance existing transit stop infrastructure concurrent with redevelopment of properties whose street frontage include transit stops.

Policy 4-12
Policy 4-12 requires all new developments to submit a Construction Management Plan (CMP) prior to issuance of a demolition, grading, or building permit, and ongoing throughout demolition, grading and/or construction. The CMP is intended to outline traffic management strategies to reduce, to the extent feasible, traffic congestion, closures on the transportation network including emergency access and emergency response vehicles, the effects of parking demand by construction workers, and other nearby projects that could be simultaneously under construction.

Policy 4-13
Policy 4-13 requires all contractors to ensure that any pedestrian, bicycle, or transit facility closed or obstructed by construction activity be replaced with a convenient and accessible alternative that replicates as nearly as practicable the most desirable characteristics of the original facility.

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4.17.1.2 Existing Conditions
Transit Services
BART, the Caltrain, and the San Mateo County Transit District (SamTrans) currently provide transit service in San Bruno. The transit services provided by these three systems are described below.

BART
BART is a 131-mile, automated rapid transit system serving over four million people in the counties of Alameda, Contra Costa, Santa Clara, San Francisco, and San Mateo. Fifty BART stations are located along five lines of double track system wide. Trains traveling up to 75 miles per hour connect San Francisco to Millbrae and to other East Bay communities – north to Richmond, east to Antioch, east to Dublin/Pleasanton, and south to Berryessa/North San José. BART’s current weekday ridership is approximately 440,000. BART trains operate from five a.m. to midnight Monday through Friday, six a.m. to midnight on Saturday, and eight a.m. to midnight on Sunday.139 Service is provided by BART at the San Bruno BART Station, located at 1151 Huntington Avenue, adjacent to Housing Opportunity Site 14. The San Bruno BART Station is served by the AntiochSFIA/Millbrae and Richmond-Millbrae/SFIA lines, which operate on weekdays with headways ranging from 15 to 30 minutes, on Saturdays with headways ranging from 14 to 30 minutes, and on Sundays and holidays with headways of 30 minutes.140 San Bruno averages 1,317 passengers on and 1,394 passengers off on weekdays, 828 passengers on and 939 passengers off on Saturdays, and 532 passengers on and 624 passengers off on Sundays and holidays. Total monthly passengers entering at the San Bruno BART Station per the latest ridership report amounts to 34,415 passengers.141 Caltrain142
Caltrain is a fixed guideway commuter rail system serving San Francisco, San Mateo and Santa Clara counties that spans 77.3 miles and includes 32 stations — 29 of which are weekday service, 24 which are weekend service (including two weekend-only stations), and one special event service station which serves Stanford Stadium.

Service is provided by Caltrain at the San Bruno Caltrain Station located at 833 San Mateo Avenue.

In 2019, daily mid-weekday ridership (when ridership levels are highest) averaged 317 northbound passengers on and 376 northbound passengers off, respectively, and 434 southbound passengers on and 337 southbound passengers off, respectively. San Bruno ranks 19th in average mid-weekday ridership at 751 total passengers on and 713 passengers off.

SamTrans143
SamTrans is the primary regional and local bus transit provider within San Mateo County, serving all rail stations within the County and major transit transfer points for Santa Clara and San Francisco 139 Bay Area Rapid Transit. “System Facts”. Accessed October 13, 2022. https://www.bart.gov/about/history/facts 140 Bay Area Rapid Transit. “San Bruno Station”. Accessed October 13, 2022. https://www.bart.gov/stations/sbrn 141 Bay Area Rapid Transit. 2022 Monthly Ridership Reports. September 2022. 142 Caltrain. Caltrain 2019 Annual Passenger Count Key Findings. 2019. 143 City of San Bruno. Walk ‘N Bike Plan. July 2016.

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counties. SamTrans operates 76 bus routes throughout San Mateo County and into parts of San Francisco and Palo Alto. San Bruno is served by the following SamTrans routes.

Route 141
Route 141 runs between South San Francisco to San Bruno with service to San Bruno BART. Key destinations include The Shops at Tanforan. Route 141 has five different variants that provide limited service to Belle Air School, Parkside School, San Bruno Senior Center, and Peninsula High School.

Weekday service operates every 30-minutes between 6:30 a.m. and 7:30 p.m. On weekends, service operates between 7:15 to 6:45 with 30-60-minuteheadways.

Route 142
Route 142 runs between SFO and the San Bruno Senior Center, with stops at the San Bruno BART Station and Shelter Creek. Route 142 has four different variants. Service is provided on one hour headways, between 6:00 a.m. and 7:00 p.m. on weekdays and between 7:00 a.m. and 7:00 p.m. on weekends.

Route ECR
The ECR is 27-mile long route that connects Daly City BART with Palo Alto Transit Center vie El Camino Real. It travels through multiple jurisdictions, including Daly City, Colma, South San Francisco, San Bruno, Burlingame, San Mateo, San Carlos, Redwood City, and Palo Alto. The ECR parallels BART service between Daly City and Millbrae and serves every station in between. The ECR also parallels the Caltrain corridor between Millbrae and Palo Alto, and has stops within a quarter-mile of every station in between. The route has frequent service between 4:05 a.m. and 12:35 a.m. with approximately 20-minute service on weekdays and 30-minute weekend service. Night owl service is provided every 60-minutes between San Francisco International Airport and Daly City.

Route EPX
Route EPX is a limited-stop route connecting East Palo Alto and Redwood City to San Francisco International Airport. Some trips terminate in the northern end at the San Bruno BART Station, while limited service is provided on this route to downtown San Francisco. Route EPX operates during weekday peak hours (5:00 a.m. to 9:30 a.m., 2:30 p.m. to 7:30 p.m.) on 60 minute headways.

Roadway Network
The roadway network in San Bruno consists of freeways, arterials, major collectors, minor collectors, and local streets. Freeways are “controlled-access” thoroughfares, meaning that only high-speed motor-vehicle traffic is allowed on them. Freeways within or adjacent to the City include:
• I-280 (Interstate 280), which bisects the City in a north–south direction. • I-380 (Interstate 380), a short east–west freeway spur, connecting I-280 to U.S. Highway 101 near San Francisco International Airport.
• U.S. Highway 101, which runs alongside the east side of San Bruno, just beyond the City border, in a north–south direction.

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Arterials are medium-speed, medium-volume roads that generally connect to freeways and to other arterials. San Bruno has fewer than ten streets designated as arterials (according to the San Bruno General Plan) yet they form the backbone of the City’s circulation system. They generally have two to four traffic lanes and speeds between 25 and 40 miles per hour. Collectors are lower-speed, lowervolume streets than arterials; they generally serve shorter trips and are generally intended for collecting cars from local streets and distributing them to the arterial network.

The arterials and major collectors that run in a generally north–south direction are (listed from east to west):
• San Mateo Avenue north of Huntington Avenue;
• Huntington Avenue north of San Mateo Avenue;
• El Camino Real (designated as State Route 82).
• Cherry Avenue between Sneath Lane and San Bruno Avenue West. • Skyline Boulevard (State Route 35).

The arterials and major collectors that run in a generally east–west direction are (listed from north to south):
• Sneath Lane east of Skyline Boulevard;
• San Bruno Avenue;
• Jenevein Avenue;
• Crystal Springs Road to I-280, including a short segment of Cunningham Way.

Minor collectors in San Bruno include San Felipe Avenue, Angus Avenue, Kains Avenue, Cherry Avenue south of San Bruno Avenue, Crestmoor Drive, Fleetwood Drive and College Drive. The rest of the street network is made up of local streets, which are low-speed, low-volume, neighborhoodserving streets whose main purpose is to provide access to fronting properties.

Bicycle Facilities
Bicyclists may use any non-freeway street in San Bruno, which has few dedicated bicycle facilities.

Bike lanes exist on portions of only a few streets, including Sneath Lane, Commodore Drive and Sharp Park Road; in addition, San Bruno Avenue west of I-280 has a wide shoulder that functions like a bike lane, even though it does not have bike-lane stencils or signage. There are no formal offstreet bike paths within San Bruno.

Sparse bicycle parking is available at City facilities or in the public right-of-way, and the City does not have an ordinance requiring bicycle parking in private developments. There is bicycle parking in the form of both racks and lockers at the City’s BART and Caltrain stations. Traffic signals in San Bruno do not have bicycle-detection technology.

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Pedestrian Facilities
The main facilities for pedestrians in San Bruno consist of sidewalks and crosswalks and, to a lesser extent, off-street footpaths. San Bruno has an extensive system of sidewalks, marked crosswalks and pedestrian crossing signals, particularly on the arterials and collectors and at main intersections.

Many of the residential streets also have sidewalks, at least on one side, and marked crosswalks, especially at crossings with major streets. In addition, in recent years, the City has been installing curb ramps at key locations to improve access for persons with disabilities. Off-street footpaths are found in San Bruno City Park and Junipero Serra County Park.

4.17.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
1) Conflict with a program, plan, ordinance, or
policy addressing the circulation system,
including transit, roadways, bicycle lanes, and
pedestrian facilities?
2) Conflict or be inconsistent with CEQA
Guidelines Section 15064.3, subdivision (b)?
3) Substantially increase hazards due to a
geometric design feature (e.g., sharp curves or
dangerous intersections) or incompatible uses
(e.g., farm equipment)?
4) Result in inadequate emergency access?
Impact TRN-1: The project would not conflict with a program, plan, ordinance, or policy addressing the circulation system, including transit, roadways, bicycle lanes, and pedestrian facilities. (Less than Significant Impact with Mitigation Incorporated)
Transit Services
Construction-related activities would typically occur Monday through Friday, with limited construction activities outside of daytime hours or on weekends. The number of construction workers at this time is not reasonably foreseeable, but it is anticipated that only a small proportion of these workers would be expected to arrive by public transit given the equipment demands and shift hours, which are offset from peak transit service, typical of construction work. Any construction workers who travel to the Housing Opportunity Sites using public transit would likely do so during off-peak hours when transit has ample capacity to accommodate the additional load. For these reasons, construction-related transit capacity impacts associated with the Housing Element Update would be less than significant.
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Future development under the Housing Element Update would be required to adhere with the General Plan policies adopted to avoid or reduce impacts to transit services (refer to Section

4.17.1.1), including those requiring the City and future developments to coordinate with BART, Caltrain, and SamTrans and enhance, construct, or fund improvements to transit stops. As discussed below, implementation of MM TRN-1.1 would require preparation of individual transportation analyses that identify and rectify any inconsistencies with General Plan policies, including those addressing transit services. Further, no capacity issues have been identified in connection with the San Bruno BART or Caltrain stations or SamTrans routes identified in Section 4.17.1.2, and capacity is anticipated to exceed demand through buildout of the Housing Element Update. For these reasons, implementation of the Housing Element Update would not conflict with any programs, plans, ordinances, or policies addressing transit services. (Less than Significant Impact) Roadway Network
Construction-related activities associated with redevelopment the Housing Opportunity Sites would be subject to Section 6.16.070 of the San Bruno Municipal Code, subject to time of day and other restrictions pursuant to project-specific conditions the City might require. Construction staging is presumed to occur within the boundaries of the sites and outside of the public right-of-way.

However, construction activity could result in temporary roadway and sidewalk closures, effects on roadway circulation due to construction trucks, an increase in vehicle trips and vehicular parking demand associated with construction workers, and relocation of bus stops and temporary transit detours. All future detailed construction plans would be required to undergo review by the San Bruno Fire Department before work begins. Temporary travel lane closures needed to make improvements to the street network would be coordinated with SamTrans and the City to reduce impacts on local circulation operations. These types of construction-related transportation impacts would be temporary, generally short term, and conducted in accordance with City permit requirements.

Therefore, construction-related road closures, relocations, and modifications associated with future development of the Housing Opportunity Sites would be less than significant.

Programs, plans, ordinances, and policies regarding the roadway network are identified in Section

4.17.1.1. As discusses under Impact TRN-2, redevelopment of the Housing Opportunity Sites would have a less than significant VMT impact, and therefore would not conflict with SB 743. Future development under the Housing Element Update would be consistent with Plan Bay Area 2050 (refer to Section 4.11 Land Use and Planning and Section 4.14 Population and Housing) and would be required to prepare a TMD plan if it would generate 100 net new ADT, and therefore would be consistent with regional regulations regarding the roadway network. In addition to state and regional regulations, the City of San Bruno General Plan and associated Transportation Element include multiple policies adopted to avoid or reduce impacts to the roadway network, including policies related to LOS and intersection operations and payment of impact fees commensurate with the impact of new development. As noted in Section 1.1 Purpose of the Initial Study, future development under the Housing Element Update would be subject to project-level environmental review. As part of the project-level environmental review, a transportation analysis that includes an evaluation of future development in comparison with the City’s policies adopted to avoid or reduce impacts to the roadway network would be required.

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Mitigation Measures:

MM TRN-1.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites that would generate a sufficient amount of trips (as determined by the City’s traffic engineer) to prepare a Transportation Analysis (TA) prior to the issuance of any discretionary permits. Prior to the preparation of the TA, a scope of work outlining the proposed approach to the TA shall be submitted to the Director of Public Works or the director’s designee for review and approval. The TA, at a minimum, shall evaluate the proposed development for consistency with the City’s General Plan and Walk ‘N Bike Plan, review the proposed layout for any geometric design features that may increase hazards (e.g., sight distances, turning radii, etc.), and verify adequate emergency access is provided. The TA shall provide recommendations addressing any identified inconsistencies, geometric design hazards, or emergency access issues that shall be incorporated into the final design. The TA shall be prepared in accordance with Public Works’ guidance and submitted prior to the approval of any discretionary permits as part of the project-level review of all future development under the Housing Element Update.

Implementation of MM TRN-1.1 would ensure that any inconsistencies with General Plan programs, plans, ordinances, and policies regarding the roadway network associated with operation of residential uses at the Housing Opportunity Sites are identified and addressed prior to approval of any discretionary permits. (Less than Significant Impact with Mitigation Incorporated) Bicycle and Pedestrian Facilities
Programs, plans, ordinances, and policies regarding bicycle and pedestrian facilities, including the General Plan and Walk ‘N Bike Plan, are identified in Section 4.17.1.1. Future development under the Housing Element Update would be required to comply with the policies identified in Section

4.17.1.1, including those requiring future development to enhance existing bicycle and pedestrian facilities and construct or fund improvements to these facilities through payment of impact fees. As discussed above, implementation of MM TRN-1.1 would require preparation of individual transportation analyses that identify and rectify any inconsistencies with General Plan policies, including those addressing bicycle and pedestrian facilities. For these reasons, implementation of the Housing Element Update would not conflict with any programs, plans, ordinances, or policies addressing bicycle or pedestrian facilities. (Less than Significant Impact)

Impact TRN-2: The project would not conflict or be inconsistent with CEQA Guidelines Section 15064.3, subdivision (b). (Less than Significant Impact) This question pertains specifically to VMT as the means of analyzing the transportation impacts of a project. As described in Section 4.17.1.1, OPR has directed local jurisdictions to implement a VMT policy pursuant to SB 743. For purposes of this Initial Study, the City of San Bruno relies on OPR’s Technical Advisory on Evaluating Transportation Impacts in CEQA (dated December 2018), which recommends using a threshold of 15 percent below regional daily VMT per capita for residential DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 243 Initial Study
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uses. Residential development in San Mateo County averages 13.8 daily VMT per resident, which equates to a threshold of 11.73 daily VMT per resident. Using the C/CAG VMT Estimation Tool, the VMT Analysis prepared by Hexagon Transportation Consultants (refer to Appendix C for more information on the assumptions, methodology, inputs, etc. used to estimate VMT generated by the project) estimated that buildout of the Housing Element Update would reduce VMT by 0.07 VMT per capita, and residential development at the Housing Opportunity Sites at the densities assumed by the Housing Element Update individually would not exceed 11.73 daily VMT per resident, and collectively would have an average weighted VMT of 11.67 per resident.[144][145] Therefore, buildout
of the Housing Element Update would not conflict or be inconsistent with CEQA Guidelines Section 15064.3, subdivision (b).

Impact TRN-3: The project would not substantially increase hazards due to a geometric design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment). (Less than Significant Impact) Construction staging is presumed to occur within the boundaries of the Housing Opportunity Sites and outside of the public right-of-way. However, construction activity could result in temporary roadway and sidewalk closures, effects on roadway circulation due to construction trucks, an increase in vehicle trips and vehicular parking demand associated with construction workers, and relocation of bus stops and temporary transit detours. All future detailed construction plans would be required to undergo review by the San Bruno Fire Department before work begins. Temporary travel lane closures needed to make improvements to the street network would be coordinated with SamTrans and the City to reduce impacts on local circulation operations. These types of construction-related transportation impacts would be temporary, generally short term, and conducted in accordance with City permit requirements. Therefore, construction-related road closures, relocations, and modifications associated with future development under the Housing Element Update would not substantially increase hazards due to a geometric design feature.

As discussed under Impact TRN-1, all future development under the Housing Element Update would be required to prepare a TA prior to issuance of any discretionary permits which would include a review of the proposed layout for any geometric design features that may increase hazards, and recommendations to address any identified issues that would be incorporated into the final design.

All of the Housing Opportunity Sites are adjacent to residential uses, and therefore redevelopment of the sites with residential uses would not be incompatible. For these reasons, buildout of the Housing Element Update would not substantially increase hazards due to a geometric design feature or incompatible uses.
144 The 669 ‘pipeline’ units have already received discretionary entitlements and are excluded from this VMT analysis. Additionally, the location of the 240 ADUs is not foreseeable, as they can occur throughout the City in residentially zoned areas, and therefore evaluating their VMT would require speculation. 145 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

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Impact TRN-4: The project would not result in inadequate emergency access. (Less than Significant Impact)
Construction staging is presumed to occur within the boundaries of the Housing Opportunity Sites and outside of the public right-of-way. However, construction activity could result in temporary roadway and sidewalk closures, effects on roadway circulation due to construction trucks, an increase in vehicle trips and vehicular parking demand associated with construction workers, and relocation of bus stops and temporary transit detours. All future detailed construction plans would be required to undergo review by the San Bruno Fire Department before work begins. Temporary travel lane closures needed to make improvements to the street network would be coordinated with SamTrans and the City to reduce impacts on local circulation operations. These types of construction-related transportation impacts would be temporary, generally short term, and conducted in accordance with City permit requirements. Therefore, construction-related road closures, relocations, and modifications associated with redevelopment of the Housing Opportunity Sites would not result in inadequate emergency access.

As discussed under Impact TRN-1, all future development under the Housing Element Update would be required to prepare a TA prior to issuance of any discretionary permits which would identify any emergency access issues and provide recommendations addressing any issues that would be incorporated into the final design. As discussed in Section 4.9.2 under Impact HAZ-6, the Housing Element Update would not impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan, and all future development proposes would be reviewed by the San Bruno Fire Department prior to issuance of any construction or occupancy permits, whichever occurs first, for emergency access issues and consistency with California Building and Fire Codes. Accordingly, buildout of the Housing Element Update would not result in inadequate emergency access.

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4.18 TRIBAL CULTURAL RESOURCES
The following discussion is based, in part, on a Cultural Resources Sensitivity Report prepared for the project by Archaeological/Historical Consultants, Inc. The report, dated September 2022, is on file with the Community and Economic Development Department.

4.18.1 Environmental Setting

4.18.1.1 Regulatory Framework
State
Senate Bill 18
The intent of SB 18 is to aid in the protection of traditional tribal cultural places through local land use planning by requiring city governments to consult with California Native American tribes on projects which include adoption or amendment of general plans (defined in Government Code Section 65300 et seq.) and specific plans (defined in Government Code Section 65450 et seq.). SB 18 requires local governments to consult with tribes prior to making certain planning decisions and to provide notice to tribes at certain key points in the planning process.

Assembly Bill 52
AB 52, effective July 2015, established a new category of resources for consideration by public agencies called Tribal Cultural Resources (TCRs). AB 52 requires lead agencies to provide notice of projects to tribes that are traditionally and culturally affiliated with the geographic area if they have requested to be notified. Where a project may have a significant impact on a tribal cultural resource, consultation is required until the parties agree to measures to mitigate or avoid a significant effect on a tribal cultural resource or until it is concluded that mutual agreement cannot be reached.

Under AB 52, TCRs are defined as follows:
• Sites, features, places, cultural landscapes, sacred places, and objects with cultural value to a California Native American tribe that are also either:
• Included or determined to be eligible for inclusion in the California Register of Historic Resources, or
• Included in a local register of historical resources as defined in Public Resources Code Section 5020.1(k).
• A resource determined by the lead agency to be a TCR.

Local
City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating impacts on tribal cultural resources resulting from planned development within the City including the following:

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Policies Description
ERC-F Preserve and enhance historic and cultural resources within the City, particularly within the historic Downtown area.

ERC-39 Continue to protect archaeological sites and resources from damage. Require that areas found to contain significant indigenous artifacts be examined by a qualified archaeologist for recommendations concerning protection and preservation.

ERC-44 If, prior to grading or construction activity, an area is determined to be sensitive for paleontological resources, retain a qualified paleontologist to recommend appropriate actions. Appropriate action may include avoidance, preservation in place, excavation, documentation, and/or data recovery, and shall always include preparation of a written report documenting the find and describing steps taken to evaluate and protect significant resources.

Bayhill Specific Plan
As noted in Section 3.1.1.1, Housing Opportunity Sites 3 and 13 are located within the Bayhill Specific Plan area. Chapter Six of the Bayhill Specific Plan includes mandatory “Environmental Quality Policies”, including the following which pertain to cultural resources.

Policy 6-27
Policy 6-27 requires preparation of an Archaeological Monitoring Plan (AMP) by a qualified professional archaeologist prior to any project-related ground disturbance that outlines areas of archaeological sensitivity, if any, and includes protocol to follow if unanticipated archaeological or tribal cultural resources are encountered.

Policy 6-28
Policy 6-28 requires construction contractors to be trained in recognizing archaeological and tribal cultural resources.

Policy 6-29
Policy 6-29 requires all work to stop immediately if archaeological or tribal cultural resources are discovered during construction.

Policy 6-30
Policy 6-30 includes similar protections for human remains of Native American origin discovered during construction.

4.18.1.2 Existing Conditions
In Northern California, human occupation extends back to at least 9,000-11,500 years with Native American occupation and use of the Bay Area extending over 5,000-8,000 years and possibly longer.

Native Americans at the time of Euro-American contact tended to live along the alluvial terraces and along historic Bay margins, there is potential for the discovery of Native American cultural resources within the City. Native American cultural resources have also been found in San Mateo County near sources of fresh water, including streams and creeks. All of the Housing Opportunity Sites are or DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 247 Initial Study
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have previously been developed, and there are no known archaeological or tribal cultural resources at any of the Housing Opportunity Sites.

As part of the Cultural Resources Sensitivity Report (refer to the discussion in Section 4.5.1.2), Archaeological/Historical Consultants obtained a Sacred Lands File Search from the NAHC, which identified eight tribes affiliated with San Mateo County. Letters were sent to the identified tribes on May 18, 2022 inviting them to consult under SB 18 and AB 52. One response was received on May 21 from Michelle Zimmer on behalf of the Amah Mutsun Band of San Juan Bautista that requested the results of the records search of the Northwest Information Center’s archives and for more information. A response email was sent on May 24; no further correspondence was received. On July 29, follow-up phone calls and emails were completed. Follow-up emails were again sent on August 16, and recipients were asked to comment by Friday, August 19, if they were interested in consulting under SB 18 and/or AB 52. The 90-day period to request consultation under SB 18 ended on August

16. No tribal cultural resources were identified by any of the contacted tribes, and none of the tribes affiliated with San Mateo County requested to be consulted regarding the project under SB 18 or AB

52. 4.18.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project cause a substantial adverse
change in the significance of a tribal cultural
resource, defined in Public Resources Code
Section 21074 as either a site, feature, place,
cultural landscape that is geographically defined in
terms of the size and scope of the landscape,
sacred place, or object with cultural value to a
California Native American tribe, and that is:
1) Listed or eligible for listing in the California
Register of Historical Resources, or in a local
register of historical resources as defined in
Public Resources Code Section 5020.1(k)?
2) A resource determined by the lead agency, in
its discretion and supported by substantial
evidence, to be significant pursuant to criteria
set forth in subdivision I of Public Resources
Code Section 5024.1? In applying the criteria
set forth in subdivision(c) of Public Resources
Code Section 5024.1, the lead agency shall
consider the significance of the resource to a
California Native American tribe.
□ □ □
□ □ □
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Impact TCR-1: The project would not cause a substantial adverse change in the significance of a tribal cultural resource that is listed or eligible for listing in the California Register of Historical Resources, or in a local register of historical resources as defined in Public Resources Code Section 5020.1(k). (Less than Significant Impact)
As documented in Section 4.18.1.2 Existing Conditions, no known archaeological or tribal cultural resources are present at any of the Housing Opportunity Sites. No tribes have requested consultation or otherwise indicated the presence or likely presence of TCRs on the site. Future development of the Housing Opportunity Sites would therefore not cause a substantial adverse change in the significance of a tribal cultural resource that is listed or eligible for listing in the California Register of Historical Resources, or in a local register of historical resources as defined in Public Resources Code Section 5020.1(k).

Impact TCR-2: The project would not cause a substantial adverse change in the significance of a tribal cultural resource that is determined by the lead agency, in its discretion and supported by substantial evidence, to be significant pursuant to criteria set forth in s subdivision (c) of Public Resources Code Section 5024.1. (Less than Significant Impact with Mitigation Incorporated) As discussed in Section 4.18.1.1, tribal cultural resources can be sites, features, places, cultural landscapes, sacred places, and objects with cultural value to a California Native American tribe, or any resource determined by the Lead Agency to be a TCR.

As discussed in Section 4.18.1.2, there are no known archaeological or tribal cultural resources on any of the Housing Opportunity Sites, and no tribes affiliated with San Mateo County identified any tribal cultural resources in response to SB 18 and AB 52 outreach efforts.

As discussed in Section 4.5 Cultural Resources, Sites 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15, 16 17, 18, 19, 20, 22, and 23 are sensitive for prehistoric-era archaeological resources. Despite a low sensitivity for archaeological resources, redevelopment of Sites 8 and 14 with residential uses has the potential to encounter undiscovered subsurface objects or human remains that may constitute a tribal cultural resource during ground-disturbing activities. Per the discussion in Section 4.5 under Impact CUL-2, implementation of MM CUL-2.1, MM CUL-2.2, MM CUL-2.3, and TCP Mitigation Measure 7-1 would ensure that any undiscovered subsurface resources encountered at any of the Housing Opportunity Sites during ground-disturbing activities are identified, evaluated, and appropriately treated in accordance with the recommendations of a qualified archaeologist and the requirements of CEQA. Per the discussion in Section 4.5 under Impact CUL-3, adherence with MM CUL-3.1 and Bayhill Specific Plan Policy 6-30 would ensure that any human remains encountered during ground-disturbing activities that are determined to be Native American in origin by the County coroner would be treated in accordance with the guidelines of the NAHC. For these reasons, implementation of the Housing Element as amended by MM CUL-2.1, MM CUL-2.2, MM CUL-2.3, and MM CUL-3.1 would ensure that future development under the Housing Element Update does not cause a substantial adverse change in the significance of a tribal cultural resource, if inadvertently encountered during construction at any of the Housing Opportunity Sites.

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4.19 UTILITIES AND SERVICE SYSTEMS
The following discussion is based, in part, on a Water Supply Assessment prepared for the Housing Element Update by West Yost & Associates, Inc. A copy of this report, dated June 2022, is attached to this Initial Study as Appendix E.

4.19.1 Environmental Setting

4.19.1.1 Regulatory Framework
State
State Water Code
Pursuant to the State Water Code (Section 10635), water suppliers providing water for municipal purposes to more than 3,000 customers or supplying more than 3,000 acre-feet (approximately 980 million gallons) of water annually must prepare and adopt an urban water management plan (UWMP) and update it every five years. As part of a UWMP, water agencies are required to evaluate and describe their water resource supplies and projected needs over a 20-year planning horizon, water conservation, water service reliability, water recycling, opportunities for water transfers, and contingency plans for drought events. The San Francisco Public Utilities Commission (SFPUC), which supplies water supplies to the City of San Bruno, adopted its most recent UWMP in April 2021.

Bay-Delta Plan Amendment
In December 2018, the SWRCB adopted amendments to the Water Quality Control Plan for the San Francisco Bay/Sacramento-San Joaquin Delta Estuary (Bay-Delta Plan Amendment) to establish water quality objectives to maintain the health of the Bay-Delta ecosystem. The adopted Bay-Delta Plan Amendment was developed with the stated goal of increasing salmonid populations in three San Joaquin River tributaries (the Stanislaus, Merced, and Tuolumne Rivers) and the Bay-Delta. The Bay-Delta Plan Amendment requires the release of 30 to 50 percent of the “unimpaired flow” on the three tributaries from February through June in every year type.

If the Bay-Delta Plan Amendment is implemented, the SFPUC will be able to meet the projected water demands presented in the 2021 UWMP in normal years but would experience supply shortages in single dry years or multiple dry years. Implementation of the Bay-Delta Plan Amendment will require rationing in all single dry years and multiple dry years. The SFPUC has initiated an Alternative Water Supply Planning Program to ensure that it can meet its retail and wholesale customer water needs, address projected dry years shortages, and limit rationing to a maximum 20 percent system-wide in accordance with adopted SFPUC policies.

There is much uncertainty surrounding implementation of the Bay-Delta Plan Amendment. Since adoption of the Bay-Delta Plan Amendment, over a dozen lawsuits have been filed in both federal and state courts, challenging the SWRCB’s adoption of the Bay-Delta Plan Amendment, including a legal challenge filed by the federal government, at the request of the U.S. Department of Interior, Bureau of Reclamation. This litigation is in the early stages and there have been no dispositive court rulings as of this date.

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Assembly Bill 341
AB 341 sets forth the requirements of the statewide mandatory commercial recycling program Businesses that generate four or more cubic yards of garbage per week and multi-family dwellings with five or more units in California are required to recycle. AB 341 sets a statewide goal for 75 percent disposal reduction by the year 2020.

Assembly Bill 939
The California Integrated Waste Management Act of 1989, or AB 939, established the Integrated Waste Management Board, required the implementation of integrated waste management plans, and mandated that local jurisdictions divert at least 50 percent of solid waste generated (from 1990 levels), beginning January 1, 2000, and divert at least 75 percent by 2010. Projects that would have an adverse effect on waste diversion goals are required to include waste diversion mitigation measures.

Assembly Bill 1826
Assembly Bill 1826 (AB 1826) requires that state agencies, businesses, and multifamily complexes that generate specific quantities of organic or solid waste each week enroll in organic recycling programs through an applicable solid waste disposal company. Organic recycling programs may take the form of composting, mulching, or anaerobic digestion. Businesses and multi-family residential housing complexes that generate the following quantities are required to implement organic or solid waste recycling programs under AB 1826:
• Eight or more cubic yards of organic waste per week as of April 1, 2016; • Four of more cubic yards of organic waste per week as of January 1, 2017; • Four or more cubic yards of solid waste per week as of January 1, 2019; and • Two or more cubic yards of solid waste per week as of January 1, 2020, if statewide disposal of organic waste is not reduced by half.

CalRecycle is currently evaluating whether California has achieved its statewide organic disposal goal of reducing organic waste disposal to 50 percent of 2014 levels by 2020. If this goal is not achieved, organic composting and recycling requirements will be expanded such that businesses that generate two or more cubic yards of solid waste per week must comply.

Senate Bill 221
SB 221 prohibits approval of subdivisions consisting of more than 500 dwelling units unless there is verification of sufficient water supplies for the project from the applicable water supplier(s). This requirement also applies to increases of 10 percent or more of service connections for public water systems with fewer than 500 service connections. The law defines criteria for determining “sufficient water supply,” such as using normal, single-dry, and multiple-dry year hydrology and identifying the amount of water that the suppler can reasonably rely on to meet existing and future planned use.

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Senate Bill 610
SB 610 requires that certain large projects subject to CEQA prepare a specified Water Supply Assessment (WSA). The WSA must be furnished to the local government for inclusion in any environmental documentation for certain projects (as defined in Water Code 10912[a]) subject to CEQA. This legislation also expands the requirements for certain types of information in an UWMP, including an identification of any existing water supply entitlements, water rights, or water service contracts held relevant to the WSA for a proposed project, and a description of water deliveries received in prior years.

Senate Bill 1383
SB 1383 establishes targets to achieve a 50 percent reduction in the level of the statewide disposal of organic waste from the 2014 level by 2020 and a 75 percent reduction by 2025. The bill grants CalRecycle the regulatory authority required to achieve the organic waste disposal reduction targets and establishes an additional target that at least 20 percent of currently disposed edible food is recovered for human consumption by 2025.

California Green Building Standards Code
In January 2010, the State of California adopted the California Green Building Standards Code, establishing mandatory green building standards for all buildings in California. A recent update of these standards was published in July 2019 and went into effect on January 1, 2020. The code covers five categories: planning and design, energy efficiency, water efficiency and conservation, material conservation and resource efficiency, and indoor environmental quality. These standards include the following mandatory set of measures, as well as more rigorous voluntary guidelines, for new construction projects to achieve specific green building performance levels:
• Reducing indoor water use by 20 percent;
• Reducing wastewater by 20 percent;
• Recycling and/or salvaging 50 percent of nonhazardous construction and demolition debris; and
• Providing readily accessible areas for recycling by occupants.

Regional
SFPUC Right-of-Way Policies
The SFPUC owns and manages land and water system infrastructure for its own exclusive use that is part of the Hetch Hetchy Regional Water System. The primary use of SFPUC lands and easements is for the delivery, operation, maintenance and protection of water, power, and sewer systems. The SFPUC has adopted guidelines to help inform how and in which instances the easements can serve the needs of public agencies, private parties, nonprofit organizations, and developers, while maintaining the safety and security of the SFPUC pipelines. SFPUC guidelines pertain to land use and structures, recreational use, utilities, vegetation, and water efficiency. The easements also are subject to terms and restrictions regarding use of land contained in the original deeds granting the easements to the SFPUC.

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SFPUC Water System Improvement Program
SFPUC’s Water System Improvement Program (WSIP) was approved on October 31, 2008, with the purpose of improving the delivery reliability of the Regional Water System (RWS) that is operated by SFPUC. The objectives of the WSIP related to water supply are listed below. • Meet average annual water demand of 265 million gallons daily (MGD) from the SFPUC watersheds for retail and wholesale customers during non-drought years for system demands consistent with the 2009 Water Supply Agreement.
• Meet dry-year delivery needs while limiting rationing to a maximum 20 percent system-wide reduction in water service during extended droughts.
• Diversify water supply options during non-drought and drought periods. • Improve use of new water sources and drought management, including groundwater, recycled water, conservation, and transfers.

The WSIP provides benefits to the City by improving the reliability of wholesale water purchased from SFPUC, especially during periods of drought. The program aims to meet customer water needs in non- drought and drought conditions and provides dry-year water supply projects to augment all year type water supplies during drought. As of August 2021, the WSIP was approximately 99 percent complete; the currently forecasted date to complete the overall WSIP is May 2023.

South Westside Basin Groundwater Management Plan
The South Westside Basin Groundwater Management Plan (GWMP), completed in July 2012, includes strategies and recommendations that guide planning decisions in a manner that preserves groundwater within the South Westside Groundwater Basin, which supplies groundwater to the City of San Bruno. The GWMP indicates that the basin is not in overdraft and the City can pump at a rate of 2.1 MGD on a long-term basis.

Regional Groundwater Storage and Recovery Project
In December 2014, the Regional Groundwater Storage and Recovery (GSR) Project operating agreement was signed to ensure long-term management and sustainability of the South Westside Groundwater Basin through a strategic conjunctive use partnership. The partnership with the City of San Bruno, SFPUC, California Water Service (serving South San Francisco and Colma), and the City of Daly City allows the agencies to operate the basin jointly and provides a new 20-billion-gallon regional dry year groundwater supply. The project is included as part of the SFPUC WSIP described above. The City of San Bruno implemented conjunctive use operations starting in 2016.

The Regional GSR Project is an in-lieu groundwater recharge program that balances groundwater and the SFPUC RWS to increase drought year water supplies. Under the Regional GSR Project, the City operates under two supply modes that vary according to hydrologic conditions. During wet and normal years (“put” operations), SFPUC provides additional surface water to the City to reduce the City’s groundwater pumping. The additional supply is stored in the South Westside Basin as DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 253 Initial Study
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groundwater until it is needed during a drought or emergency. During dry years (“take” operations), the City utilizes available groundwater supplies and reduces surface water deliveries, thereby freeing surface water supply to be delivered to other SFPUC customers.

Local
City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating impacts on utilities and service systems resulting from planned development within the City including the following:

Policies Description
PFS-3 Require, as part of plan review, identification of needed public service improvement and maintenance costs for those projects that may have a significant impact on existing services.

PFS-8 Require expansion of the City’s water distribution system proportionate with new development’s fair share of demand.

PFS-9 Upgrade the water distribution system as necessary to provide adequate water pressure to meet fire safety standards and to respond to emergency peak water supply needs.

PFS-17 Ensure that new or expanded water supply and transmission facilities are constructed in a manner in which construction and operation impacts are minimized or avoided.

PFS-20 Require expansion of the City’s sewer collection system proportionate with new development’s fair share of demand.

PFS-21 Upgrade or replace sewer lines to accommodate anticipated flows and to prevent overflows.

Upgrade sewer lift stations as needed.

PFS-31 Ensure adequate fire water pressure as a condition of approval for all new development projects.

PFS-66 Enforce landscape requirements that facilitate efficient energy use or conservation, such as drought-resistant landscaping and/or deciduous trees along southern exposures.

PFS-70 Facilitate environmentally sensitive construction practices by:
• Restricting use of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and halons in mechanical equipment and building materials; • Promoting use of products that are durable and allow efficient end-of-life disposal (e.g. reusable, recyclable, biodegradable);
• Promoting the purchase of locally or regionally available materials; and • Promoting the use of cost-effective design and construction strategies that reduce resource and environmental impacts.

PFS-72 Work with utility providers to ensure that adequate electrical and natural gas facilities and services are available to meet the demands of existing and future development.

PFS-73 Provide for utility access and prevent easement encroachments that might impair the safe and reliable maintenance and operation of utility facilities.

PFS-74 Work with telecommunication providers to ensure that telecommunications service is available for existing and future development.

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City of San Bruno Water System Master Plan
The City’s 2020 Water System Master Plan (WSMP), dated December 2021, served as an update to the City’s 2012 Water Service Master Plan and provides a comprehensive road map for the City’s water system through 2040. In addition to assessing the City’s projected supply and demand through 2040, the 2020 WSMP updated the City’s hydraulic model and evaluated the performance of the existing and future water system under existing and 2040 buildout water demand conditions. Based on the results of the performance analysis, the 2020 WSMP identified pipeline and facility rehabilitation and replacement projects. The 2020 WSMP also included a Water Shortage Contingency Plan (WSCP), a six-stage plan describing specific actions to reduce water demand by greater than 50 percent in the event of a water supply shortage or emergency.

City of San Bruno Sanitary Sewer Management Plan / Sewer Master Plan Two documents govern San Bruno’s sewer systems, 1) City of San Bruno Sewer Master Plan, dated February 2014, and; 2) City of San Bruno Sewer System Management Plan, dated October 2019. The February 2014 Sewer Master Plan was a legally mandated update to the 2000 Master Plan, and provides a sewer system condition assessment, a Capacity Assurance Plan, and a long-range Capital Improvement Program for the City’s sewer system. The Sewer System Management Plan complements the Sewer Master Plan by providing policies, procedures, and activities related to the planning, management, operation, and maintenance of the City’s sanitary sewer system.

City of San Bruno Storm Drain Master Plan
To identify and address potential flood risks in the City of San Bruno, a Storm Drain Master Plan was adopted by the City in June 2014. In addition to updating the City’s flood control guiding document, the Master Plan defines a new Capital Improvement Program to address the storm drain system’s capacity deficiencies.

4.19.1.2 Existing Conditions
Water Supply, Demand, and Conveyance
The City of San Bruno purchases treated surface water from SFPUC and North Coast County Water District (NCCWD) and delivers water to its customers through its water distribution system, which consists of 100 miles of pipelines, 9,000 valves, 985 fire hydrants, eight pumping stations, eight storage tanks, and 13 pressure zones. SFPUC water supplies are primarily derived from the Hetch Hetchy watershed within Yosemite National Park and subsequent downstream reservoirs, with the remaining SFPUC water supplies originating locally within the Bay Area. SFPUC provides an Individual Supply Guarantee of 3.25 MGD to the City of San Bruno, and a collective 184 MGD Individual Supply Guarantee to all members, including the City of San Bruno. Purchased NCCWD water only supplies the Crystal Springs Terrace Apartments located at 2000 Crystal Springs Road, which is not one of the Housing Opportunity Sites and therefore is not discussed further.

The City of San Bruno also obtains water locally from South Westside Basin groundwater resources.

Most of the City of San Bruno is underlain by the South Westside Basin, which produces approximately 8,600 acre-feet of water annually and is ranked as a Very Low priority basin. As a Very Low priority basin, the Westside Basin users are not mandated to form a Groundwater DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 255 Initial Study
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Sustainability Agency or develop a Groundwater Sustainability Plan. More information regarding the physical conditions of the South Westside Basin, as well as further details regarding the hydrological setting within the City of San Bruno, are included in Section 4.10 of this Initial Study. The City currently operates four groundwater wells. Prior to 2016, groundwater use comprised about 50 percent of the City’s total water supply. In 2016, the City reduced its use of groundwater to about 10 percent of its total water supply in accordance with the Regional GSR Project (refer to Section

4.19.1.1). The City’s groundwater production through the year 2031 is projected to remain at 2.10 MGD.

Wastewater Generation, Conveyance, and Treatment
The City of San Bruno owns and maintains the sanitary sewer conveyance system within City limits and is responsible for sewer system operation and maintenance therein. Wastewater is transported through this conveyance system to the Shaw Road Pump Station from two sewer pipeline segments:
one located near Tanforan Avenue, and the other at 7th Avenue. Wastewater is then transported from the South San Francisco Shaw Road Sewage Pump Station, ultimately to the South San Francisco/San Bruno Water Quality Control Plant (WQCP) in South San Francisco for treatment.

The WQCP processes wastewater discharge for the Cities of South San Francisco, San Bruno, and the Town of Colma. There is no formal agreement about the proportion of wastewater treatment capacity entitled to each city, however, the agreement is specific that the share of operating costs is proportional to use.

During dry weather conditions, the WQCP has a peak flow capacity of 13 MGD of wastewater, which is increased to a peak capacity of 62 MGD during wet weather flow conditions; average dryweather flows at the WQCP are approximately 9 MGD, and average peak weather flows can exceed 60 MGD. To accommodate peak wet-weather flows, the WQCP is in the process of conducting facility improvements, which would include installation of a new storage basin to retain excess flows during wet-weather conditions. Currently, the City of San Bruno generates an average of approximately 2.146 MGD of dry-weather wastewater which is eventually conveyed to and treated at the South San Francisco/San Bruno WQCP from both the Tanforan Avenue and 7th Avenue systems, and has an allocated dry-weather capacity of 3.5 MGD at the WQCP.146 The City generates a peak wet weather flow of approximately 20.3 MGD; the City does not have an allocated wet weather capacity at the South San Francisco/San Bruno WQCP.

Storm Drain System
San Bruno’s Public Works Department Streets and Stormwater Division operates and maintains the storm drainage system in the City, which consists of underground pipes and culverts, as well as aboveground channels. The City of San Bruno contains six watersheds that drain the City. The City’s primary drainage basins—Crystal Springs Creek, Huntington Creek, and San Bruno Creek— encompass 80 percent of San Bruno’s land area. The storm drainage system generally drains eastward towards the San Bruno Channel, which discharges into the San Francisco Bay. 146 Schumacker, Brian. Plant Superintendent. South San Francisco/San Bruno Water Quality Control Plant (WQCP).

Personal communication. December 20, 2021.

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Solid Waste Generation, Collection, and Disposal
Recology San Bruno (Solid Waste Information System (SWIS) ID 41-AA-0014) provides solid waste disposal services citywide, including garbage, recycling, and organic composting services.

Recology San Bruno transports solid waste to the San Bruno Transfer Station at 101 Tanforan Avenue, where solid waste is processed, treated, and transported to other disposal facilities. The San Bruno Transfer Station has a maximum permitted capacity of 768 tons of solid waste per day. From the San Bruno Transfer Station, most of the City’s solid waste is transported via trucks to Corinda Los Trancos Landfill (SWIS 41- AA-0002, formerly Ox Mountain Landfill) in Half Moon Bay, which has a remaining capacity of 22,180,000 cubic yards and serves the City of San Bruno as well as numerous other Bay Area jurisdictions. However, the City distributes limited quantities of its solid waste to numerous other Class III (non-hazardous) landfill facilities. All municipal Class III landfills that received City of San Bruno solid waste in 2018, the year with the most recent available data, are identified below in Table 4.19-1. While the City may have disposed of any permitted type of solid waste, including hazardous wastes at any of these facilities in 2018, only remaining municipal Class III disposal capacity is displayed.

Table 4.19-1: Capacity at Class III Landfill Facilities Facility (SWIS ID) Remaining Capacity Permitted Through Altamont Landfill & Resource
Recovery (01-AA-0009) 65,400,000 January 1, 2025
Corinda Los Trancos Landfill
(41-AA-0002) 22,180,000 January 1, 2034
Fink Road Landfill (50-AA0001) 7,184,701 December 1, 2023 Guadalupe Sanitary Landfill
(50-AA-0001) 11,055,000 January 1, 2048
Monterey Peninsula Landfill
(50-AA-0001) 48,560,000 February 28, 2107
Newby Island Sanitary
Landfill (50-AA-0001) 21,200,000 January 1, 2041
Potrero Hills Landfill (50-AA0001) 13,872,000 February 14, 2048 Recology Hay Road (50-AA0001) 30,433,000 January 1, 2077 Recology Ostrom Road LF
Inc. (50-AA-0001) 39,223,000 December 31, 2066
Vasco Road Sanitary Landfill
(50-AA-0001) 7,379,000 December 31, 2022
Sources:

CalRecycle. “Jurisdiction Disposal by Facility With Reported Alternative Daily Cover (ADC) and Alternative Intermediate Cover (AIC): Disposal During 2018 for San Bruno”. Accessed October 17, 2022. https://www2.calrecycle.ca.gov/LGCentral/DisposalReporting/Destination/DisposalByFacility DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 257 Initial Study
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CalRecycle. “SWIS Facility/Site Search.” Accessed October 17, 2022. https://www2.calrecycle.ca.gov/SolidWaste/Site/Search
In 2021, the City of San Bruno generated 30,621 tons of solid waste, with residents generating approximately 4.4 pounds of solid waste per capita per day and employees generating 10.7 pounds of solid waste per capita per day. CalRecycle’s 2021 disposal goals for the City of San Bruno were 4.5 pounds per day for residents; therefore, the City of San Bruno met its per capita solid waste diversion goals in 2021.147 Per capita solid waste generation in the City has decreased over time due to numerous waste diversion programs, including source reduction, recycling, composting, incentivization, and public education initiatives.

Electricity, Natural Gas, and Telecommunication Services Electrical power is provided by PG&E to the City of San Bruno from eight different distribution feeders: four feeders are from the Sneath Lane substation in San Bruno, two feeders are from the East Grand substation in South San Francisco, one is fed from the Airport substation, and one originates from the Millbrae substation in Millbrae. Most of these feeders also serve other cities, including Pacifica, Millbrae, and South San Francisco, and are linked to other distribution feeders, assuring greater reliability.

Natural gas is provided to the City of San Bruno by PG&E from three gas lines stretching from Milpitas to San Francisco. Gas is delivered from basins in Canada and/or Texas by transmission mains and deposited at PG&E’s Milpitas Gas Terminal.

Telecommunication services is provided throughout San Bruno via underground coaxial, hardwire, and fiber optic systems operated by CityNet Services.

4.19.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
1) Require or result in the relocation or
construction of new or expanded water,
wastewater treatment or stormwater drainage,
electric power, natural gas, or
telecommunications facilities, the construction
or relocation of which could cause significant
environmental effects?
2) Have insufficient water supplies available to
serve the project and reasonably foreseeable
future development during normal, dry and
multiple dry years?
147 CalRecycle. “Disposal Rate Calculator (San Bruno, 2021)”. Accessed October 19, 2022. https://www2.calrecycle.ca.gov/LGCentral/AnnualReporting/DisposalRateCalculator. □ □ □
□ □ □
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Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
Would the project:
3) Result in a determination by the wastewater
treatment provider which serves or may serve
the project that it does not have adequate
capacity to serve the project’s projected
demand in addition to the provider’s existing
commitments?
4) Generate solid waste in excess of state or local
standards, or in excess of the capacity of local
infrastructure, or otherwise impair the
attainment of solid waste reduction goals?
5) Be noncompliant with federal, state, or local
management and reduction statutes and
regulations related to solid waste?
Impact UTL-1: The project would not require or result in the relocation or construction of new or expanded water, wastewater treatment or stormwater drainage, electric power, natural gas, or telecommunications facilities, the construction or relocation of which could cause significant environmental effects. (Less than Significant Impact)
Water Facilities
Pursuant to the discussion under Impact UTL-2, sufficient water supplies are available to serve buildout of the Housing Element Update; therefore the construction of new or expanded water facilities, such as additional groundwater wells, to increase water supplies would not be required or result from buildout of the project.

As discussed in Section 4.19.1.1, the 2020 WSMP assessed the City’s hydraulic model and evaluated the performance of the existing and future water system under existing and 2040 buildout water demand conditions, including buildout of the General Plan, TCP, and Bayhill Specific Plan. The 2020 WSMP identified pipeline and facility rehabilitation and replacement projects, which future development under the Housing Element Update would contribute to through the payment of development impact fees. Buildout of the Housing Element Update is not anticipated to require or result in any additional improvements beyond those identified in the 2020 WSMP except those needed to meet project-specific fire flow and water system design specifications, such as installing larger pipes in the adjacent public right-of-way. The construction of these facilities would be completed in accordance with Public Works requirements pursuant to the review of the City’s Engineering and Construction Division, and in accordance with the regulations and measures identified throughout this Initial Study to control fugitive dust generation, dewatering of potentially contaminated water, sedimentation, erosion, and traffic control. Redevelopment of Site 14 with up to 1,000 residential units represents new residential water demand beyond what is assumed in the current General Plan and would be subject to these same controls and is not anticipated to generate a □ □ □
□ □ □
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significant increase in water demand or design needs beyond what is required by the existing Shops at Tanforan development. For these reasons, the construction or relocation of any water facilities as a result of the Housing Element Update would not cause any significant environmental effects. (Less than Significant Impact)
Wastewater Treatment Facilities
Pursuant to the discussion under Impact UTL-3, adequate capacity exists to treat increases in wastewater generation associated with buildout of the Housing Element Update. Improvements to the City’s wastewater treatment facilities are identified in the City’s Sewer System Management Plan prepared in February 2019, which future development under the Housing Element Update would contribute to through the payment of development impact fees. Buildout of the Housing Element Update is not anticipated to require any additional improvements beyond those identified in the Sewer System Management Plan except the installation of larger pipes on-site and in the public rightof-way to accommodate larger flows. These improvements would be completed in accordance with Public Works requirements pursuant to the review of the City’s Engineering and Construction Division, and in accordance with the regulations and measures identified throughout this Initial Study to control fugitive dust generation, dewatering of potentially contaminated water, sedimentation, erosion, and traffic control. Redevelopment of Site 14 with up to 1,000 residential units represents new residential water demand and wastewater generation beyond what is assumed in the current General Plan and would be subject to these same controls and is not anticipated to generate a significant increase in wastewater flows beyond what is generated by the existing Shops at Tanforan development. For these reasons, the construction or relocation of any wastewater facilities as a result of the Housing Element Update would not cause any significant environmental effects. (Less than Significant Impact)
Stormwater Facilities
Improvements to the City’s stormwater facilities are identified in the City’s Storm Drain Master Plan (refer to Section 4.19.1.1), which future development under the Housing Element Update would contribute to through the payment of development impact fees. Buildout of the Housing Element Update is not anticipated to require any additional improvements beyond those identified in the Storm Drain Master Plan besides the installation of new catch basins, storm drains and associated minor infrastructure on-site as needed to address changes in pervious and impervious surfaces and associated drainage patterns. Pursuant to the discussion in Section 4.10 Hydrology and Water Quality under Impact HYD-3, the construction of new housing would not substantially alter the drainage pattern of any of the Housing Opportunity Sites in a manner which would result in on or offsite erosion, flooding, or runoff impacts. Further, any stormwater improvements necessary to serve new residential development would be constructed in accordance with Public Works requirements pursuant to the review of the City’s Engineering and Construction Division, and in accordance with the regulations and measures identified throughout this Initial Study to control fugitive dust generation, dewatering of potentially contaminated water, sedimentation, erosion, and traffic control.

For these reasons, the construction or relocation of any stormwater facilities as a result of the Housing Element Update would not cause any significant environmental effects. (Less than Significant Impact)
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Electric Power, Natural Gas, and Telecommunication Facilities Existing electric power, natural gas, and telecommunication facilities are available to all of the Housing Opportunity Sites. Future development under the Housing Element Update would be prohibited from using natural gas, and electric power and telecommunication facilities are sufficient to meet the demands of redevelopment of the Housing Opportunity Sites with residential uses at the at the densities assumed by the Housing Element Update. Further, all future development under the Housing Element Update would be required by the General Plan (refer to Section 4.19.1.1) to coordinate with PG&E and CityNet Services to ensure safe and reliable maintenance and operation of electric power and telecommunication facilities during construction and operation. The construction or relocation of any electric power or telecommunication facilities or the relocation of natural gas facilities during construction would be done in consultation with PG&E and CityNet Services and in accordance with the regulations and measures identified throughout this Initial Study to control fugitive dust generation, dewatering of potentially contaminated water, sedimentation, erosion, and traffic control. For these reasons, the construction or relocation of any electric power, natural gas, or telecommunication facilities as a result of the Housing Element Update would not cause any significant environmental effects. (Less than Significant Impact) Impact UTL-2: The project would not have insufficient water supplies available to serve the project and reasonably foreseeable future development during normal, dry and multiple dry years. (Less than Significant Impact)
The 2020 WSMP (refer to Section 4.19.1.1) assessed the City’s projected supply and demand through 2040 based on existing land uses and the projected buildout of the TCP and Bayhill Specific Plan sites, and found that water supplies were available to serve existing uses and buildout of these sites. As shown in Table 3.2-1, redevelopment of the TCP and Bayhill Specific Plan sites with residential uses at the densities assumed by the 2020 WSMP and Housing Element Update would result in the construction of 1,494 housing units. In addition to these 1,494 housing units (the water demand of which was analyzed in the 2020 WSMP), implementation of the Housing Element Update would redevelop Sites 6, 8, 10, 14, 16, 18, and 19 with up to 1,214 housing units.148 Additionally, the WSA prepared for the Housing Element Update factored in the water demand generated by construction of the pipeline projects identified by the City (669 housing units) and 240 ADUs (refer to the discussion in Section 3.2.1). In total, the WSA analyzed the City’s projected water supply and demand through the year 2045 (including the TCP and Bayhill Specific Plan sites) plus buildout of an additional 2,229 housing units as a result of the Housing Element Update, for a total of 3,618 units. The estimated water demand of the additional 2,229 housing units is reported below in Table

4.19-2. Additional information on the assumptions and methodology used to estimate the project’s water demand is provided in Appendix E.
148 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

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Table 4.19-2: Estimated Water Demand Increase of the Housing Element Update Housing Opportunity
Site/Category
Number of
Housing Units
Water Use
Factor
(gpd/du)1
Water Demand
(gpd)
Site 6 118 147 17,346
Site 82 15 147 2,205
Site 10 2 147 294
Site 14 1,000 147 147,000
Site 16 2 147 294
Site 18 15 147 2,205
Site 19 60 147 8,820
Pipeline Projects 670 147 98,490
Accessory Dwelling Units 240 147 35,280
Housing Element Update Totals 2,122 -- 311,934
Source: West Yost & Associates, Inc. City of San Bruno Housing Element Update Water Supply Assessment.

June 2022.

Notes:
1 Water use factors include 8 percent of non-revenue water. Because the density of proposed housing units at each site is unknown, this WSA conservatively assumes that all proposed units are single-family residences (i.e., higher water use).
2 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

As shown in Table 4.19-2, the Housing Element Update would increase water demand by 311,934 gpd, equivalent to 0.33 MGD. The City’s combined water demand versus water supplies during normal, single-, and multiple-dry years is summarized below in Table 4.19-3.

Table 4.19-3: Summary of Water Demand versus Water Supplies Category
Supply and Demand Comparison (mgd)[1][2]
2030 2035 2040 2045
Normal Year
Available Water Supply 5.37 5.35 5.35 5.36
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) 1.42 0.98 0.57 0.58
Percent Shortfall -- -- -- --
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Table 4.19-3: Summary of Water Demand versus Water Supplies Category
Supply and Demand Comparison (mgd)[1][2]
2030 2035 2040 2045
Single-Dry Year
Available Water Supply 4.18 4.16 4.16 3.88
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) 0.23 (0.21) (0.62) (0.90)
Percent Shortfall -- 5% 13% 19%
Multiple-Dry Year 1
Available Water Supply 4.18 4.16 4.16 3.88
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) 0.23 (0.21) (0.62) (0.90)
Percent Shortfall -- 5% 13% 19%
Multiple-Dry Year 2
Available Water Supply 3.89 3.87 3.87 3.88
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) (0.06) (0.50) (0.91) (0.90)
Percent Shortfall 2% 11% 19% 19%
Multiple-Dry Year 3
Available Water Supply 3.89 3.87 3.87 3.88
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) (0.06) (0.50) (0.91) (0.90)
Percent Shortfall 2% 11% 19% 19%
Multiple-Dry Year 4
Available Water Supply 3.89 3.87 3.66 3.61
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) (0.06) (0.50) (1.12) (1.17)
Percent Shortfall 2% 11% 23% 24%
Multiple-Dry Year 5
Available Water Supply 3.89 3.73 3.66 3.61
Total Water Demand3 3.95 4.37 4.78 4.78
Surplus (Deficit) (0.06) (0.64) (1.12) (1.17)
Percent Shortfall 2% 15% 23% 24%
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Table 4.19-3: Summary of Water Demand versus Water Supplies Category
Supply and Demand Comparison (mgd)[1][2]
2030 2035 2040 2045
Source: West Yost & Associates, Inc. City of San Bruno Housing Element Update Water Supply Assessment.

June 2022.

Notes:
1 Supply totals assume implementation of the Bay-Delta Plan Amendment. 2 Demand totals assume no reduction in water demand in dry years. 3 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study.

As shown in Table 4.19-3, there are sufficient supplies to meet the City’s cumulative water demand in normal years, but insufficient supplies to meet projected demands in single- and multiple-dry years, with percent shortfalls as high as 24 percent in 2045. The totals presented in Table 4.19-3 are extremely conservative, as they do not account for the water demand of the existing uses at the Housing Opportunity Sites and assume full implementation of the Bay Delta Plan Amendment, which as discussed in Section 4.19.1.1 is highly unlikely. Supply shortfalls would be nearly be eliminated without implementation of the Bay Delta Plan Amendment, with water supply shortfalls of less than one percent in the fourth and fifth multiple-dry year 2045 scenario (refer to Appendix E).

As discussed in Section 4.19.1.1, the City’s WSCP is capable of achieving water demand reductions of up to 50 percent. In the event of water supply deficits, the City will implement the WSCP, which is capable of achieving demand reductions that would ensure that water supplies exceed water demand in the event of a 24 percent shortfall or greater. Accordingly, sufficient water supplies are available to serve the project and reasonably foreseeable future development during normal, dry and multiple dry years.

Impact UTL-3: The project would not result in a determination by the wastewater treatment provider which serves or may serve the project that it does not have adequate capacity to serve the project’s projected demand in addition to the provider’s existing commitments. (Less than Significant Impact)
As discussed under Impact UTL-2, buildout of the Housing Element Update would increase water consumption by 0.33 MGD, which results in a corresponding increase in wastewater of 0.29 MGD.149 As documented in Section 4.19.1.2, the City of San Bruno currently generates an average of

2.146 MGD of wastewater during dry-weather (when WQCP treatment capacity is at its lowest).

Buildout of the Housing Element Update would increase the average amount of wastewater generated to 2.436 MGD, which would be below the City’s allocated dry-weather capacity of 3.5 MGD at the WQCP. Additionally, the WQCP collects and treats flows from the City of South San 149 Based upon the CalEEMod standard estimate of wastewater comprising 85 percent of indoor water use due to human consumption, landscape use, and evaporation loss.

I I I
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Francisco (average dry-weather flow of 4.912 MGD) and the City of Colma (average dry-weather flow of 0.195 MGD).150 Cumulatively, the combined dry-weather flows from the cities of San Bruno, South San Francisco, and Colma would amount under project conditions to 7.543 MGD, well within the WQCP’s dry-weather capacity of 13 MGD.151 Accordingly, the Housing Element Update would not result in a determination by the wastewater treatment provider which serves or may serve the project that it does not have adequate capacity to serve the project’s projected demand in addition to the provider’s existing commitments.

Impact UTL-4: The project would not generate solid waste in excess of state or local standards, or in excess of the capacity of local infrastructure, or otherwise impair the attainment of solid waste reduction goals. (Less than Significant Impact)
Demolition and construction activities generate solid waste materials requiring disposal, such as steel, concrete, asphalt, and lumber. CALGreen requires that at least 65 percent of all debris from demolition of any residential building be diverted from landfills via recycling, salvage, and other similar programs. Achievement of solid waste reduction goals would be further supported by MM GHG-1.1 (refer to Section 4.8 Greenhouse Gas Emissions), which would require the recycling or reuse of at least 50 percent of construction waste. Accordingly, demolition and construction associated with future development under the Housing Element Update would not generate waste in excess of local infrastructure capacity or impair the attainment of solid waste reduction goals.

Buildout of an additional 3,618 housing units is estimated to generate 3.9 pounds per resident daily, equivalent to 37,253 pounds per day or an additional 6,799 tons of solid waste annually.152 Housing units associated with pipeline projects have already undergone plan- and project-level analysis of their contribution to the capacity of local infrastructure and solid waste reduction goals, which were found to be less than significant (refer to Section 3.2.1). Based on the City’s 2021 total solid waste generation of 30,621 tons, which is conservative since per capita solid waste generation continues to trend downward (refer to Section 4.19.1.2), buildout of the Housing Opportunity Sites and ADUs would increase the City’s total solid waste generation to 37,420 tons annually.

As discussed in Section 4.19.1.2, the San Bruno Transfer Station has a maximum permitted capacity of 768 tons of solid waste per day. Based on the projected total solid waste generation of 37,420 tons annually, the San Bruno Transfer Station would need to process 103 tons of waste daily, well within its maximum permitted capacity.
150 Schumacker, Brian. Plant Superintendent. South San Francisco/San Bruno Water Quality Control Plant (WQCP).

Personal communication. December 20, 2021.
151 After completion of the analysis presented in this Initial Study, the number of units assumed at Sites 8 and 21 increased by one unit each, the number of units assumed at Site 22 decreased by one unit, and the number of pipeline units decreased by one unit, resulting in a net increase of one unit and two residents assumed at the Housing Opportunity Sites (2,708 units versus 2,709 units, 7,150 residents versus 7,152 residents) and no increase in the total number of units and residents assumed for the Housing Element Update as a whole (3,618 units and 9,552 residents total). This change would not affect any of the conclusions presented herein this Initial Study. 152 Source: CalRecycle. “Disposal Rate Calculator (San Bruno, 2019)”. Accessed October 19, 2022. https://www2.calrecycle.ca.gov/LGCentral/AnnualReporting/DisposalRateCalculator. 3,618 housing units multiplied by 2.64 (average number of residents per unit in San Bruno) equals 9,552 new residents. Multiplied by

3.9 (pounds per resident per day) equals 37,253 pounds per day. Multiplied by 365 days in a year equals 13,597,345 pounds annually, equivalent to 6,799 tons annually.

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The majority of solid waste is distributed to the Corinda Los Trancos Landfill, which has a remaining capacity of 22,180,000 cubic yards and is permitted for continued service through 2034, beyond the buildout date of the San Bruno Housing Element. This capacity is sufficient to support proposed project solid waste disposal needs through 2034. Using CalRecycle’s conversion rate of one cubic yard for every 800 pounds, 37,420 tons generated annually between 2031 and 2034 is equivalent to 282,120 cubic yards, or approximately one percent of the remaining capacity of Corinda Los Trancos Landfill.153 The Housing Element Update’s contribution to Corinda Los Trancos Landfill would be less than 1/100th of a percent.154 Further, as shown in Table 4.19-1, the combined remaining capacity at the Class III Municipal Waste Landfill Facilities that serve the City of San Bruno beyond 2034 is approximately 164,343,000 cubic yards. The City’s annual contribution would be less than 1/1,000th of a percent.155 Therefore, sufficient landfill capacity exists to serve the Housing Element Update and the City at Corinda Los Trancos landfill through 2034, and at Guadalupe Sanitary Landfill, Monterey Peninsula Landfill, Newby Island Sanitary Landfill, Potrero Hills Landfill, Recology Hay Road, and/or Recology Ostrom Road LF, Inc. beyond 2034.

Because Corinda Los Trancos Landfill serves numerous Bay Area jurisdictions, growth within these jurisdictions could also contribute to cumulative solid waste disposal demands on the facility.

However, many of these jurisdictions are also served by the facilities listed above which would offer continued operation beyond 2034. Therefore, cumulative growth in other jurisdictions is not expected to contribute to local solid waste infrastructure capacity exceedances. Additionally, while it is expected that local and regional landfills would have sufficient capacity to support the Housing Element Update in conjunction with Citywide and regional development, AB 1826 requires multifamily residential developments that generate more than four cubic yards of solid waste per week to incorporate organic recycling programs, such as composting. It is therefore anticipated that some of that solid waste generated by future development under the Housing Element Update would be redirected in compliance with AB 1826, further minimizing anticipated solid waste generation levels.

Thus, the Housing Element Update’s cumulative impacts pertaining to solid waste standard or facility exceedances, as well as compliance with federal, state, and local solid waste management and reduction statues and regulations, would be less than cumulatively considerable, and impacts would therefore be less than significant.

Impact UTL-5: The project would not be noncompliant with federal, state, or local management and reduction statutes and regulations related to solid waste. (Less than Significant Impact)
As discussed under Impact UTL-4, 65 percent of demolition debris and 50 percent of construction waste would be recycled or reused in compliance with CalGreen. Once operational, future development under the Housing Element Update would be required to comply with the provisions of 153 37,420 tons is equivalent to 74,840,000 pounds, multiplied by three (years from Housing Element buildout until Corinda Los Trancos Landfill closure date) divided by 800 (CalRecycle conversion rate) equals 280,650 cubic yards. 280,650 divided by 22,180,000 equals 0.012. 154 6,799 tons is equivalent to 13,597,345 pounds, multiplied by three (years from Housing Element buildout until Corinda Los Trancos Landfill closure date) divided by 800 equals 50,991 cubic yards. 50,991 divided by 22,180,000 (Corinda Los Trancos Landfill remaining capacity) equals 0.0022. 155 93,550 cubic yards (City’s combined annual contribution) divided by 164,343,000 equals 0.0005.

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AB 341 and AB 1826. Compliance with federal, state, and local statutes and regulations related to solid waste would be further supported by the use of reusable, recyclable, and biodegradable materials as promoted by General Plan Policy HS-70. Accordingly, the Housing Element Update would be compliant with federal, state, and local management and reduction statutes and regulations related to solid waste.

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4.20 WILDFIRE

4.20.1 Environmental Setting

4.20.1.1 Regulatory Framework
State
Fire Hazard Severity Zones
CAL FIRE is required by law to map areas of significant fire hazards based on fuels, terrain, weather, and other relevant factors. Referred to as Fire Hazard Severity Zones (FHSZs), these maps influence how people construct buildings and protect property to reduce risk associated with wildland fires.

FHSZs are divided into areas where the state has financial responsibility for wildland fire protection, known as state responsibility areas (SRAs), and areas where local governments have financial responsibility for wildland fire protection, known as local responsibility areas (LRAs). Homeowners living in an SRA are responsible for ensuring that their property is in compliance with California’s building and fire codes. Only lands zoned for very high fire hazard are identified within LRAs.

California Fire Code Chapter 49
Chapter 49 of the California Fire Code sets requirements for wildland-urban interface fire areas that increase the ability of buildings to resist the intrusion of flame or burning embers being projected by a vegetation fire, in addition to systematically reducing conflagration losses through the use of performance and prescriptive requirements.

California Public Resources Code Section 4442 through 4431 The California Public Resources Code includes fire safety regulations that restrict the use of equipment that may produce a spark, flame, or fire; require the use of spark arrestors on construction equipment that uses an internal combustion engine; specify requirements for the safe use of gasolinepowered tools on forest-covered land, brush-covered land, or grass-covered land; and specify fire suppression equipment that must be provided onsite for various types of work in fire-prone areas.

These regulations include the following:
• Earthmoving and portable equipment with internal combustion engines would be equipped with a spark arrestor to reduce the potential for igniting a wildland fire (Public Resources Code Section 4442);
• Appropriate fire suppression equipment would be maintained during the highest fire danger period, from April 1 to December 1 (Public Resources Code Section4428); • On days when a burning permit is required, flammable materials would be removed to a distance of 10 feet from any equipment that could produce a spark, fire, or flame, and the construction contractor would maintain appropriate fire suppression equipment (Public Resources Code Section 4427); and
• On days when a burning permit is required, portable tools powered by gasoline-fueled internal combustion engines would not be used within 25 feet of any flammable materials (Public Resources Code Section 4431).

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California Code of Regulations Title 14
The California Board of Forestry and Fire Protection has adopted regulations, known as SRA Fire Safe Regulations, which apply basic wildland fire protection standards for building, construction, and development occurring in a SRA. The future design and construction of structures, subdivisions and developments in SRAs are required to provide for the basic emergency access and perimeter wildfire protection measures discussed in Title 14.

Fire Management Plans
CAL FIRE has developed an individual Unit Fire Management Plan for each of its 21 units and six contract counties. CAL FIRE has developed a strategic fire management plan for the San MateoSanta Cruz Unit, which covers the project area and addresses citizen and firefighter safety, watersheds and water, timber, wildlife and habitat (including rare and endangered species), unique areas (scenic, cultural, and historic), recreation, range, structures, and air quality. The plan includes stakeholder contributions and priorities and identifies strategic areas for pre-fire planning and fuel treatment as defined by the people who live and work with the local fire issues.

Local
City of San Bruno General Plan
Various policies in the City’s General Plan have been adopted for the purpose of avoiding or mitigating wildfire impacts resulting from planned development within the City including the following:

Policies Description
HS-1 Regulate development, including remodeling or structural rehabilitation, to assure adequate mitigation of safety hazards on sites having a history or threat of slope instability, erosion, subsidence, seismic dangers (including those resulting from liquefactions, ground failure, ground rupture), flooding, and/or fire hazards.

HS-2 Review and revise the City’s Building Code, Zoning Ordinance, and Subdivision requirements to safeguard against seismic, geologic, and safety hazards. Mitigation should include:
• Minimal grading and removal of natural vegetation to prevent erosion and slope instability. Cleared slopes should be replanted with vegetation. • Proper drainage control to prevent erosion of the site and affected properties. • Careful siting and structural engineering in unstable areas. • Consideration of flooding and fire hazards in siting and designing new development.

HS-43 Allow reasonable latitude for noise generated by uses that are essential to community health, safety, and welfare, such as emergency vehicle operations and sirens.

PFS-F Provide adequate public safety services for all San Bruno properties – including police protection, fire suppression, emergency medical care, and emergency management.

PFS-26 Ensure adequate staffing and facilities for the City’s Police and Fire departments to achieve desired levels of service, particularly surrounding transit areas and along urbaninterface hazard areas.

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Policies Description
PFS-30 Require installation and maintenance of fire protection measures in high-risk and urbaninterface areas:
• Proper siting and access;
• Brush clearance (non-fire resistant landscaping 50 feet from structures); • Use of fire resistive materials (pressure-impregnated, fire resistive shingles or shakes);
• Landscaping with fire resistive species; and
• Installation of early warning systems (alarms and sprinklers).

PFS-31 Ensure adequate fire water pressure as a condition of approval for all new development projects.

PFS-32 Require installation of residential sprinklers in areas with steep slopes and/or diminished access.

PFS-34 Identify and remove mature and/or diseased Eucalyptus trees in rights-of-way and other open areas, if they pose a fire hazard or other threat to health and safety.

PFS-35 Require installation of automatic sprinkler systems in all hotel, motel, and other overnight lodging facilities, in mixed commercial/residential uses, and in apartment buildings of three or more units.

PFS-39 Minimize risks to single-access residential neighborhoods by providing alternative access for fire and other emergency personnel.

4.20.1.2 Existing Conditions
No portion of San Bruno is within a SRA; the City is located in a LRA in the CAL FIRE San Mateo – Santa Cruz Administrative Unit and contains no very high fire hazard severity zones.156 The greatest potential for fire hazards in the City of San Bruno occurs in designated Wildland Fire Hazard Areas near extensive natural vegetation, specifically Crestmoor Canyon, Junipero Serra County Park, and San Francisco Water Department’s Peninsula Watershed. Dense stands of eucalyptus trees within the Rollingwood and Crestmoor neighborhoods also pose fire hazard potential. Urban-interface hazard areas are developed areas near Wildland Fire Hazard Areas potentially at risk of damage should a wildland fire occur. In these areas, highly flammable vegetation mixed with steep topography and long, dry summers create potential for wildland fires.

Housing Opportunity Sites
Housing Opportunity Site 6 (2101 Sneath Lane) is located within the Wildland Fire Hazard Area and Wildland/Urban Interface Hazard Area, as shown on Figure 4.20-1. Small portions of Housing Opportunity Sites 3 and 14 are identified as Wildland/Urban Interface Hazard Areas (refer to Figure

4.20-1).
156 California Department of Forestry and Fire Protection. Fire Hazard Severity Zone Viewer. Accessed October 24, 2022. https://egis.fire.ca.gov/FHSZ/
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20 7
12 6
9 4
2 8
5 23
22 17
10 18
13 14
3 1
15 11
16 FEET
10 0 500 1000 2000
acres
Source: City of San Bruno Redevelopment Project Area Plan Draft EIR, March, 1999.

Wildland Fire Hazard Area
Wildland/Urban Interface
Hazard Area
City Limits
Bayhill Specific Plan Boundary
Transit Oriented Development Overlay
WILDLAND FIRE HAZARD AREAS FIGURE 4.20-1
City2023-2031 Housing Element Update
of San Bruno
270 Initial Study
December 2022
·------■
wJWJ/{J
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4.20.2 Impact Discussion
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
If located in or near state responsibility areas or
lands classified as very high fire hazard severity
zones, would the project:
1) Substantially impair an adopted emergency
response plan or emergency evacuation plan?
2) Due to slope, prevailing winds, and other
factors, exacerbate wildfire risks, and thereby
expose project occupants to pollutant
concentrations from a wildfire or the
uncontrolled spread of a wildfire?
3) Require the installation or maintenance of
associated infrastructure (such as roads, fuel
breaks, emergency water sources, power lines,
or other utilities) that may exacerbate fire risk
or that may result in temporary or ongoing
impacts to the environment?
4) Expose people or structures to significant
risks, including downslope or downstream
flooding or landslides, as a result of runoff,
post-fire slope instability, or drainage
changes?

4.20.2.1 Wildfire Analysis
None of the Housing Development Sites are located in or near state responsibility areas or lands classified as very high fire hazard severity zones. As shown on Figure 4.20-1, Site 6 is located within a Wildland Fire Hazard Area, and small portions of Housing Opportunity Sites 3 and 14 are identified as Wildland/Urban Interface Hazard Areas. Adherence with General Plan Policy PFS-30 would require future development at Sites 3, 6, and 14 to install and maintain a variety of fire protection measures, and all construction would be required by the City’s Municipal Code to be built to 2019 California and International Fire Code standards with fire suppression systems. Further, as discussed in Section 4.15 under Impact PS-1, fire protection services are adequate to meet new demand generated by redevelopment of Sites 3, 6, and 14. For these reasons, future development under the Housing Element Update would not result in any wildfire-related impacts. (Less than Significant Impact)
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4.21 MANDATORY FINDINGS OF SIGNIFICANCE
Potentially
Significant
Impact
Less than
Significant
with Mitigation
Incorporated
Less than
Significant
Impact
No Impact
1) Does the project have the potential to
substantially degrade the quality of the
environment, substantially reduce the habitat
of a fish or wildlife species, cause a fish or
wildlife population to drop below selfsustaining levels, threaten to eliminate a plant or animal community, substantially reduce the
number or restrict the range of a rare or
endangered plant or animal, or eliminate
important examples of the major periods of
California history or prehistory?
2) Does the project have impacts that are
individually limited, but cumulatively
considerable? (“Cumulatively considerable”
means that the incremental effects of a project
are considerable when viewed in connection
with the effects of past projects, the effects of
other current projects, and the effects of
probable future projects.)
3) Does the project have environmental effects
which will cause substantial adverse effects on
human beings, either directly or indirectly?
Impact MFS-1: The project does not have the potential to substantially degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, substantially reduce the number or restrict the range of a rare or endangered plant or animal, or eliminate important examples of the major periods of California history or prehistory. (Less than Significant Impact with Mitigation Incorporated) As discussed in the individual resource sections of this Initial Study, future development under the Housing Element Update would not degrade the quality of the environment with the implementation of the identified General Plan, TCP, and Bayhill Specific policies and mitigation measures. As discussed in Section 4.4 Biological Resources, implementation of MM BIO-1.1, consistent with federal and state laws, would ensure that future development does not result in the loss of fertile or nesting eggs or nest abandonment. Further, the Housing Element Update with adherence to federal, state, regional and local regulations would not reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, or reduce the number or restrict the range of a rare or endangered plant or animal.

Implementation of MM CUL-1.1, MM CUL-2.1, and MM CUL-2.2 (refer to Section 4.5 Cultural Resources) and MM NOI-2.1 (refer to Section 4.13 Noise and Vibration) would ensure that future □ □ □
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development does not cause a substantial adverse change in the significance of any archaeological, historic, or tribal cultural resources. Adherence with MM GHG-1.1 and MM GHG-1.2 (refer to Section 4.8 Greenhouse Gas Emissions) by future residential development would ensure that the project does not generate significant GHG emissions and would support the state’s long-term goal of carbon neutrality. Adherence with MM HAZ-2.1 and MM HAZ-2.2 (refer to Section 4.9 Hazards and Hazardous Materials) would ensure that any subsurface contamination present at the Housing Opportunity Sites does not create a significant hazard to the public or the environment.

With adherence to federal, state, and local regulations and implementation of the mitigation measures identified above, the Housing Element Update would not degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, substantially reduce the number or restrict the range of a rare or endangered plant or animal, or eliminate important examples of the major periods of California history or prehistory.

Impact MFS-2: The project does not have impacts that are individually limited, but cumulatively considerable. (Less than Significant Impact with Mitigation Incorporated)
Under Section 15065(a)(3) of the CEQA Guidelines, a lead agency shall find that a project may have a significant effect on the environment where there is substantial evidence that the project has potential environmental effects “that are individually limited, but cumulatively considerable.” As defined in Section 15065(a)(3) of the CEQA Guidelines, cumulatively considerable means “that the incremental effects of an individual project are significant when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects.”
The analysis provided throughout this Initial Study presents the combined effects of the implementation of the 2023-2031 Housing Element, taking into account the planned future development of 3,618 housing units over the next eight years, with the large majority of the units expected to be built on the 23 identified Housing Opportunity Sites. As such, this Initial Study presents the cumulative impacts of the Housing Element, based on the planned location of that future housing. However, the City will experience additional growth and change over that timeframe, in terms of non-residential development and public facilities that will occur consistent with the General Plan and other long-range planning documents. The discussion that follows presents how the Housing Element would contribute to foreseeable cumulative impacts.

Because criteria air pollutant and GHG emissions would contribute to regional and global emissions of such pollutants, the identified thresholds developed by CARB and BAAQMD and used by the City of San Bruno were developed such that an impact would also be a cumulatively considerable impact. Buildout of the Housing Element Update would not result in a significant emissions of criteria air pollutants or GHG emissions and, therefore, would not make a substantial contribution to cumulative air quality or GHG emissions impacts. The discussion of criteria air pollutant impacts presented in Section 4.3 Air Quality also reflects cumulative conditions, and the project would not contribute to significant cumulative criteria pollutant impacts. The Housing Element’s contribution to cumulative climate change impacts was presented in Section 4.8 Greenhouse Gas Emissions as less DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 274 Initial Study
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than cumulatively considerable. Similarly, for the reasons presented in Section 4.6, the discussion of the project’s incremental demand on energy resources also reflects cumulative conditions, since the Housing Element’s future population’s consumption of electricity, natural gas, and gasoline was assessed in comparison with consumption at the state and county level. Therefore, the Housing Element Update would not make a substantial contribution to cumulative air quality, energy use, or GHG emissions impacts.

The project would not impact agricultural or forestry resources or mineral resources, therefore there is no potential for cumulative impacts to these resources. Nor are there any cumulative impacts associated with wildfire risk, as none of the Housing Development Sites are located in or near state responsibility areas or lands classified as very high fire hazard severity zones. However, Site 6 is located within a Wildland Fire Hazard Area, and small portions of Housing Opportunity Sites 3 and 14 are identified as Wildland/Urban Interface Hazard Areas. Sites 3, 6, and 14 and any cumulative development within a Wildland Fire Hazard or Wildland/Urban Interface Areas would be required by General Plan Policy PFS-30 to install and maintain a variety of fire protection measures, and all construction would be required by the City’s Municipal Code to be built to 2019 California and International Fire Code standards with fire suppression systems. Therefore, cumulative wildfirerelated impacts would be less than cumulatively considerable.

As discussed throughout this Initial Study, future development under the Housing Element Update would result in less than significant impacts to aesthetics, geology and soils, hydrology and water quality, land use and planning, population and housing, public services, recreation, and utilities and service systems with adherence to federal, state, regional and local regulations and policies. The discussions presented in Section 4.11 Land Use and Planning, Section 4.14 Population and Housing, Section 4.15 Public Services, Section 4.16 Recreation, and Section 4.19 Utilities and Service Systems take account of planned growth in San Bruno according to the current General Plan and relevant Specific Plans, and represent a cumulative analysis of future development under the Housing Element Update due to the nature of these individual resource areas, and therefore the project would not result in a cumulatively considerable impact as regards these resources.

Cumulative impacts related to aesthetics, geology and soils, and hydrology and water quality are more localized in nature. As discussed in Section 1.1, specific development proposals at the Housing Opportunity Sites would be subject to project-level review at the time of application for any discretionary actions that would allow for an analysis of the cumulative impacts of said proposals based on their design and in conjunction with projects in the cumulative area of effect, which are not reasonably foreseeable at this time. Cumulative impacts to hydrology and water quality are related to the watershed within which the various Housing Opportunity Sites would occur, and the policies and programs presented in Section 4.10, such as the Municipal Regional Permit addressing stormwater, are intended to address the potential for individual projects to contribute to cumulative impacts.

Further, all cumulative development in the City of San Bruno would be subject to the same regulations and policies that would be imposed on future development under the Housing Element Update. For these reasons, the Housing Element Update would not result in cumulatively considerable impacts on aesthetics, geology and soils, hydrology and water quality.

As discussed in Section 4.13 Noise and Vibration, buildout of the Housing Element Update would not increase traffic noise levels on any one roadway by more than 0.7 dBA. Therefore, although under existing plus background plus project conditions the traffic noise level on San Bruno Avenue DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 275 Initial Study
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would increase by as much as three dBA by 2031, the traffic noise increase associated with buildout of the Housing Element Update would not be cumulatively considerable.

As discussed in Section 4.17 Transportation, buildout of the Housing Element Update would reduce VMT citywide and would not conflict with any programs, plans, ordinances, or policies addressing the regional or local circulation system. Further, all future development under the Housing Element Update would be required by MM TRN-1-1 to prepare a Transportation Analysis that would analyze the design of specific development proposals at the Housing Opportunity Sites (which are not reasonably foreseeable at this time) to ensure that the design does not increase hazards or result in inadequate emergency access in conjunction with surrounding development. Accordingly, the Housing Element Update would not contribute to any cumulative transportation impacts.

During construction of future development under the Housing Element Update, highly localized and temporary air quality, biological, cultural, hazards and hazardous materials, and noise and vibration impacts would occur on and around each Opportunity Site. Compliance with federal, state, regional and local regulations and implementation of the conditions of approval and mitigation measures identified in this Initial Study and in the EIRs prepared for the City’s General Plan, TCP, and Bayhill Specific Plan would reduce cumulative impacts associated with each project’s construction and future cumulative development to a less than significant level.

Impact MFS-3: The project does not have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly. (Less than Significant Impact with Mitigation Incorporated)
Consistent with Section 15065(a)(4) of the CEQA Guidelines, a lead agency shall find that a project may have a significant effect on the environment where there is substantial evidence that the project has the potential to cause substantial adverse effects on human beings, either directly or indirectly.

Under this standard, a change to the physical environment that might otherwise be minor must be treated as significant if people would be significantly affected. This factor relates to adverse changes to the environment of human beings generally, and not to effects on particular individuals. While changes to the environment that could indirectly affect human beings would be represented by all of the designated CEQA issue areas, those that could directly affect human beings include air quality, hazardous materials, and noise. As documented in Section 4.3 Air Quality, Section 4.9 Hazards and Hazardous Materials, and Section 4.13 Noise and Vibration of this Initial Study, implementation of the federal, state, regional and local policies and mitigation measures that have been identified would reduce these impacts to a less than significant level. No other direct or indirect adverse effects on human beings have been identified.

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SECTION 5.0 REFERENCES
The analysis in this Initial Study is based on the professional judgement and expertise of the environmental specialists preparing this document, based upon review of the site, surrounding conditions, site plans, and the following references:

AECOM. Corrective Plan Implementation Report. April 2020.

Association of Bay Area Governments and Metropolitan Transportation Commission. Plan Bay Area 2050. October 21, 2021.

Association of Bay Area Governments. Projections 2040, A Companion to Plan Bay Area 2040.

November 2018.

BAAQMD. Final 2017 Clean Air Plan. April 20, 2017.

Bay Area Air Quality Management District (BAAQMD). Recommended Methods for Screening and Modeling Local Risks and Hazards, Version 3.0. May 2012.

Bay Area Air Quality Management District. Bay Area Emissions Inventory Summary Report:

Greenhouse Gases Base Year 2011. Accessed October 24, 2022. http://www.baaqmd.gov/~/media/files/planning-and-research/emissioninventory/by2011_ghgsummary.pdf Bay Area Air Quality Management District. California Environmental Quality Act Air Quality Guidelines. May 2017.

Bay Area Air Quality Management District. CEQA Thresholds for Evaluating the Significance of Climate Impacts from Land Use Projects and Plans. April 2022.

Bay Area Rapid Transit. “San Bruno Station”. Accessed October 13, 2022. https://www.bart.gov/stations/sbrn
Bay Area Rapid Transit. “System Facts”. Accessed October 13, 2022. https://www.bart.gov/about/history/facts
Bay Area Rapid Transit. 2022 Monthly Ridership Reports. September 2022.

California Air Resources Board. “Overview: Diesel Exhaust and Health.” Accessed October 24, 2022. https://ww2.arb.ca.gov/resources/overview-diesel-exhaust-and-health.

California Air Resources Board. “The Advanced Clean Cars Program.” Accessed October 24, 2022. https://ww2.arb.ca.gov/our-work/programs/advanced-clean-cars-program California Air Resources Board. 2019 Edition, California Greenhouse Gas Emission Inventory: 2000 – 2017. Accessed October 24, 2022.
https://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2017/ghg_inventory_trends_00-17.pdf DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 277 Initial Study
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California Air Resources Board. Draft 2022 Scoping Plan Update, Appendix D. May 10, 2022.

California Department of Conservation. “Farmland Mapping and Monitoring Program.” Accessed October 24, 2022. http://www.conservation.ca.gov/dlrp/fmmp/Pages/Index.aspx.

California Department of Conservation. “Williamson Act.” Accessed October 24, 2022. http://www.conservation.ca.gov/dlrp/lca.

California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Capuchino High Report 41-69047-4130738”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=41690474130738&agglevel=scho ol&year=2021-22
California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Millbrae Elementary Report 41-68973”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4168973&agglevel=district&year =2021-22
California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, Mills High Report 41-69047-4134557”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=41690474134557&agglevel=scho ol&year=2021-22
California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, San Bruno Park Elementary Report 41-69013”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4169013&agglevel=district&year =2021-22
California Department of Education Data Quest. “Enrollment Multi-Year Summary by Grade, San Mateo Union High Report 41-69047”. Accessed November 14, 2022. https://dq.cde.ca.gov/dataquest/dqcensus/EnrGrdYears.aspx?cds=4169047&agglevel=district&year =2021-22
California Department of Finance. “E-1 Population Estimates for Cities, Counties, and the State – January 1, 2021 and 2022.” Accessed August 4, 2022.
https://dof.ca.gov/forecasting/demographics/estimates/e-5-population-and-housing-estimates-forcities-counties-and-the-state-2020-2022/ California Department of Forestry and Fire Protection. “Fire and Resource Assessment Program.” Accessed October 24, 2022. http://frap.fire.ca.gov/.

California Department of Forestry and Fire Protection. Fire Hazard Severity Zone Viewer. Accessed October 24, 2022. https://egis.fire.ca.gov/FHSZ/
California Department of Housing and Community Development. “Regional Housing Needs Allocation and Housing Elements” Accessed October 24, 2022. https://www.hcd.ca.gov/planningand-community-development/housing-elements DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 278 Initial Study
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California Department of Tax and Fee Administration. “Net Taxable Gasoline Gallons.” Accessed July 20, 2022. https://www.cdtfa.ca.gov/dataportal/dataset.htm?url=VehicleTaxableFuelDist.

California Energy Commission. “Natural Gas Consumption by County.” Accessed July 20, 2022. http://ecdms.energy.ca.gov/gasbycounty.aspx.

California Energy Commission. Energy Consumption Data Management System. “Electricity Consumption by County.” Accessed October 24, 2022.
http://ecdms.energy.ca.gov/elecbycounty.aspx.

California Environmental Protection Agency. “Cortese List Data Resources.” Accessed November 15, 2022. https://calepa.ca.gov/sitecleanup/corteselist/.

California Environmental Protection Agency. “Cortese List Data Resources.” Accessed October 24, 2022. https://calepa.ca.gov/sitecleanup/corteselist/.

California Gas and Electric Utilities. 2020 California Gas Report. Accessed July 20, 2022.

California Geological Survey. California Earthquake Hazards Zone Application (EQ ZAPP).

Accessed August 12, 2022. https://maps.conservation.ca.gov/cgs/EQZApp/app/ California Geological Survey. Tsunami Hazard Area Map. Accessed July 28, 2022. https://maps.conservation.ca.gov/cgs/informationwarehouse/ts_evacuation/?extent=- 13734968.0269%2C4446045.3469%2C13500153.4761%2C4550305.4535%2C102100&utm_source=cgs+active&utm_content=sanmateo California Regional Water Quality Control Board San Francisco Region. Municipal Regional Stormwater NPDES Permit, Order No. R2-2022-0018, NPDES Permit No. CAS612008. May 11, 2022
California Regional Water Quality Control Board. San Francisco Bay Region Municipal Regional Stormwater NPDES Permit. November 2015.

CalRecycle. “Disposal Rate Calculator (San Bruno, 2021)”. Accessed October 19, 2022. https://www2.calrecycle.ca.gov/LGCentral/AnnualReporting/DisposalRateCalculator.

Caltrain. Caltrain 2019 Annual Passenger Count Key Findings. 2019.

CEQA Guidelines Section 15064.5(a)(3) and California Office of Historic Preservation Technical Assistance Series #6. Accessed October 24, 2022.
http://www.ohp.parks.ca.gov/pages/1069/files/technical%20assistance%20bulletin%206%202011 %20update.pdf.

City of San Bruno. 2020 Urban Water Management Plan. November 2021.

City of San Bruno. Bayhill Specific Plan including Phase I Development. Final EIR. October 2021.

City of San Bruno. FY2022-23 Master Fee Schedule. July 2022.

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City of San Bruno. San Bruno 2025: General Plan Draft Environmental Impact Report. Page 3-158.

December 2008.

City of San Bruno. San Bruno General Plan. March 24, 2009. Page 7-6.

City of San Bruno. San Bruno Transit Corridors Plan Draft Environmental Impact Report. Page 15-

4. March 2012.

City of San Bruno. San Bruno Transit Corridors Plan Environmental Impact Report. June 2012.

City of San Bruno. Walk ‘N Bike Plan. July 2016.

City of San Bruno. Water System Master Plan. December 2021.

City/County Association of Governments of San Mateo County. “San Mateo County Congestion Management Program 2019”. Accessed October 24, 2022.
https://ccag.ca.gov/programs/transportation-programs/congestion-management/.

ECONorthwest. Scenario Analysis Results. July 2022.

Federal Emergency Management Agency. "FEMA Flood Map Service Center Search All Products - San Mateo County All Jurisdictions." Accessed September 7, 2022. https://msc.fema.gov/portal/advanceSearch.

Gwinn, Brian. Hazardous Materials Specialist, Groundwater Protection Program, San Mateo County Environmental Health Services Department. Email communication dated September 8, 2022.

Historic Aerials by NetrOnline. “Historic Aerials Viewer”. Accessed September 12, 2022. https://www.historicaerials.com/viewer.

Macrostrat. “Geologic Map”. Accessed October 22, 2022. https://macrostrat.org/map/layers#x=- 122.4&y=37.608&z=11.72&show=fossils
Metropolitan Transportation Commission. “Priority Development Areas (Plan Bay Area 2050)”.

Accessed October 6, 2022. https://opendata.mtc.ca.gov/datasets/priority-development-areas-planbay-area-2050 Metropolitan Transportation Commission. “Transit Priority Areas (2021)”. Accessed October 21, 2022.
https://www.arcgis.com/apps/mapviewer/index.html?panel=gallery&suggestField=true&layers=37 0de9dc4d65402d992a769bf6ac8ef5
Metropolitan Transportation Commission. Plan Bay Area 2050 Growth Geographies. Accessed October 11, 2022.
https://mtc.maps.arcgis.com/apps/webappviewer/index.html?id=af347b881594468a94ea85a67e972 679
Peninsula Clean Energy. “Frequently Asked Questions.” Accessed October 24, 2022. https://www.peninsulacleanenergy.com/faq/.

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San Bruno Fire Department/AB Triton Consulting. Community Risk Assessment: Standards of Cover & Deployment Analysis. October 2022.

San Bruno Park School District. “New Attendance Boundary Info”. Accessed November 14, 2022. https://www.sbpsd.org/page/new-attendance-boundary-info San Francisco Regional Water Quality Control Board. “The 303(d) List of Impaired Water Bodies.” Accessed August 11, 2022.
https://www.waterboards.ca.gov/sanfranciscobay/water_issues/programs/TMDLs/303dlist.html.

San Mateo County. General Plan. November 1986.

Schumacker, Brian. Plant Superintendent. South San Francisco/San Bruno Water Quality Control Plant (WQCP). Personal communication. December 20, 2021.

CalRecycle. “Disposal Rate Calculator (San Bruno, 2019)”. Accessed October 19, 2022. https://www2.calrecycle.ca.gov/LGCentral/AnnualReporting/DisposalRateCalculator.

United States Census Bureau. Quick Facts, San Bruno city, California. Accessed October 24, 2022. https://www.census.gov/quickfacts/fact/table/sanbrunocitycalifornia/PST040219#qf-flag-X United States Department of Transportation. “USDOT Announces New Vehicle Fuel Economy Standards for Model Year 2024-2026.” Accessed July 20, 2022. https://www.nhtsa.gov/pressreleases/usdot-announces-new-vehicle-fuel-economy-standards-model-year-2024-2026 United States Energy Information Administration. “California Energy Consumption by End-UseSector, 2020.” Accessed October 24, 2022. https://www.eia.gov/state/?sid=CA#tabs-2.

United States Energy Information Administration. “California Energy Consumption Estimate, 2020.” Accessed July 20, 2022. https://www.eia.gov/state/?sid=CA#tabs-2.

United States Environmental Protection Agency. “EPA Actions to Protect the Public from Exposure to Asbestos.” Accessed October 24, 2022. https://www.epa.gov/asbestos/epa-actions-protectpublic-exposure-asbestos United States Environmental Protection Agency. “Summary of the Energy Independence and Security Act.” Accessed July 20, 2022. https://www.epa.gov/laws-regulations/summary-energyindependence-and-security-act United States Environmental Protection Agency. “Summary of the Resource Conservation and Recovery Act.” Accessed October 22, 2022. https://www.epa.gov/laws-regulations/summaryresource-conservation-and-recovery-act.

United States Environmental Protection Agency. “Superfund: CERCLA Overview.” Accessed October 24, 2022. https://www.epa.gov/superfund/superfund-cercla-overview.

United States Environmental Protection Agency. Inventory of U.S. Greenhouse Gas Emissions and Sinks 1990-2018. Accessed October 24, 2022. https://www.epa.gov/sites/production/files/2020- 04/documents/us-ghg-inventory-2020-main-text.pdf
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United States Environmental Protection Agency. The 2021 EPA Automotive Trends Report:

Greenhouse Gas Emissions, Fuel Economy, and Technology since 1975. November 2021.

California Gas and Electric Utilities. 2020 California Gas Report. Accessed July 20, 2022. https://www.socalgas.com/sites/default/files/2020-
10/2020_California_Gas_Report_Joint_Utility_Biennial_Comprehensive_Filing.pdf.

United States Environmental Protection Agency. Light Nonaqueous Phase Liquids. June 2015.

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SECTION 6.0 LEAD AGENCY AND CONSULTANTS

6.1 LEAD AGENCY
Michael Laughlin, Planning & Housing Manager
Michael Smith, Senior Planner

6.2 CONSULTANTS
David J. Powers & Associates, Inc.

Environmental Consultants and Planners
Akoni Danielsen, President/Principal Project Manager
Natalie Noyes, Senior Project Manager
Matthew Moore, Project Manager
Ryan Osako, Graphic Artist
Archaeological/Historical Consultants
Cultural and Tribal Cultural Resources Consultants
Hexagon Transportation Consultants, Inc.

Transportation Consultants
Illingworth & Rodkin, Inc.

Acoustical & Air Quality Consultants
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SECTION 7.0 ACRONYMS AND ABBREVIATIONS
2017 CAP Bay Area 2017 Clean Air Plan
AB Assembly Bill
ABAG Association of Bay Area Governments
ACM Asbestos Containing Materials
ADA Americans with Disabilities Act
AFA Acre-Feet Annually
AICP American Institute of Certified Planners
ALUCP Airport Land Use Compatibility Plan
APN Assessor Parcel Number
BAAQMD Bay Area Air Quality Management District
BART Bay Area Rapid Transit
Basin Plan Water Quality Control Plan for the San Francisco Bay Basin Bgs Below the ground surface
BIA California Building Industry Association
BMPs Best Management Practices
Btu British thermal units
CA California
CalARP California Accidental Release Prevention
Cal Fire California Department of Forestry and Fire Protection CalEEMod California Emissions Estimator Model
CalEPA California Environmental Protection Agency
CALGreen California Green Building Standards Code
Caltrans California Department of Transportation
Cal/OSHA California Occupational Safety and Health Administration CARB California Air Resources Board
CBC California Building Standards Code
C/CAG San Mateo City and County Association of Governments CCR California Code of Regulations
CDFW California Department of Fish and Wildlife
CEC California Energy Commission
CEQA California Environmental Quality Act
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CFCs Chlorofluorocarbons
CFR Code of Federal Regulations
CGS California Geological Survey
CH4 Methane
CHPS Collaborative for High-Performance Schools
CLUP San Mateo Comprehensive Land Use Plan
CNEL Community Noise Equivalent Level
CO Carbon monoxide
CO2 Carbon dioxide
CO2e Carbon dioxide equivalent
CRECs Controlled Recognized Environmental Conditions
CRHR California Register of Historical Resources
dBA A-weighted decibel
DNL Day-Night Level
DPM Diesel particulate matter
DTSC Department of Toxic Substances Control
EIR Environmental Impact Report
EPA U.S. Environmental Protection Agency
ESA Environmental Site Assessment
EZRI Earthquake Zones of Required Investigation
FAA Federal Aviation Administration
FAR Federal Aviation Regulations
FEMA Federal Emergency Management Agency
FHSZs Fire Hazard Severity Zones
FIRM Flood Insurance Rate Maps
FMMP Farmland Mapping and Monitoring Program
FTA United States Department of Transportation’s Federal Transit Administration General Plan San Bruno General Plan
GHGs Greenhouse gases
GPD Gallons per day
GWh Gigawatt hours
HCP Habitat Conservation Plan
HFCs Hydrofluorocarbons
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HRECs Historically Recognized Environmental Conditions
IS Initial Study
ISO Insurance Services Office, Inc.

LBPs Lead-Based Paints
LED Light-Emitting Diode
LEED Leadership in Energy and Environmental Design
Leq Equivalent noise level
LID Low-Impact Development
Lmax Maximum A-weighted
LOS Level of Service
LRA Local Responsibility Area
MBTA Migratory Bird Treaty Act
Mgd Million gallons per day
MM Mitigation Measure
MND Mitigated Negative Declaration
Mpg Miles per gallon
Mph Miles per hour
MRP NPDES Permit
MRZs Mineral Resource Zones
MTC Metropolitan Transportation Commission
MT CO2e Metric tons of carbon dioxide equivalent
NAHC Native American Heritage Commission
NESHAP National Emission Standards for Hazardous Air Pollutants NFIP National Flood Insurance Program
NHPA National Historic Preservation Act
NOD Notice of Determination
NOI Notice of Intent
NOx Nitrogen oxides
NO2 Nitrogen dioxide
NPDES National Pollutant Discharge Elimination System
NRHP National Register of Historic Places
NWIC Northwest Information Center
O3 Ground-level ozone
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 286 Initial Study
City of San Bruno December 2022
OITC Outdoor/Indoor Transmission Class
OPR Office of Planning and Research
PCB Polychlorinated biphenyls
PCE Perchloroethylene
PG&E Pacific Gas & Electricity
PM Particulate matter
PM2.5 Fine particulate matter
PM10 Coarse particulate matter
PPC Public Protection Classification
PPV Peak Particle Velocity
REC Recognized environmental condition
RHNA Regional Housing Need Allocation
ROG Reactive organic gases
RPS Renewable Portfolio Standards
RWQCB Regional Water Quality Control Board
SamTrans San Mateo County Transit District
SSOs Sanitary Sewer Overflows
SB Senate Bill
SBGC San Bruno Garbage Company
SBFD San Bruno Fire Department
SBPD San Bruno Police Department
SFHA Special Flood Hazard Areas
SFO San Francisco International Airport
SFPUC San Francisco Public Utilities Commission
SHMA Seismic Hazards Mapping Act
SMARA Surface Mining and Reclamation Act
SMCWPPP San Mateo Countywide Water Pollution Prevention Program SMBG State Mining and Geology Board
SOx Sulfur oxides
SR State Route
SRA State Responsibility Area
SSF/SB WQCP South San Francisco-San Bruno Water Quality Control Plant STC Sound Transmission Class
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update 287 Initial Study
City of San Bruno December 2022
SWPPP Storm Water Pollution Prevention Plan
SWRCB State Water Resources Control Board
TACs Toxic air contaminants
TCR Tribal Cultural Resources
TDM Transportation Demand Management
TIA Transportation Impact Analysis
USACE United States Army Corps of Engineers
USFWS United States Fish and Wildlife Service
UST Underground storage tank
VHFHSZs Very High Fire Hazard Severity Zones
VMT Vehicle Miles Traveled
VOCs Volatile Organic Compounds
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 Exhibit B
Mitigation Monitoring and Reporting Program (MMRP)
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19

DRAFT MITIGATION MONITORING AND REPORTING PROGRAM
2023-2031 Housing Element Update

CITY OF SAN BRUNO
December 2022
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19

P R E F A C E
Section 21081 of the California Environmental Quality Act (CEQA) requires a Lead Agency to adopt a Mitigation Monitoring and Reporting Program whenever it approves a project for which measures have been required to mitigate or avoid significant effects on the environment. The purpose of the monitoring and reporting program is to ensure compliance with the mitigation measures during project implementation.

The Initial Study for the 2023-2031 Housing Element Update concluded that the implementation of the project could result in significant effects on the environment and mitigation measures were incorporated into the proposed project or are required as a condition of project approval. This Mitigation Monitoring and Reporting Program addresses those measures in terms of how and when they will be implemented.

This document does not discuss those subjects for which the Initial Study concluded that the impacts from implementation of the project would be less than significant and for which no mitigation measures would be required.

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Mitigation Monitoring and Reporting Program Page 1

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
Mitigation Measures

AIR QUALITY
MM AIR-3.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites to implement the following measures during demolition and construction:
a. Use Tier 4 engines for all off-road equipment greater than 50 horsepower (hp) and operating for more than 20 total hours over the entire duration of construction activities.
b. Use diesel trucks with 2010 or later compliant model year engines during construction.
c. Use renewable diesel during construction.
d. Use low-VOC coatings during construction.
e. Implement BAAQMD best management practices and if necessary, enhanced measures recommended by BAAQMD.
f. Use portable electrical equipment where commercially available and practicable to complete construction. Construction contractors shall utilize electrical grid power instead of diesel generators when (1) grid power is available at the construction site; (2) when construction of temporary power lines are not necessary in order to provide power to portions of the site distant from existing utility lines; (3) when use of portable extension lines is practicable given construction safety and operational limitations; and (4) when use of electrical grid power does not compromise construction schedules.

Adopt a policy in the
Housing Element
Update that would
require MM AIR-3.1
be implemented at all
Housing Opportunity
Sites
Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update December 2022
Mitigation Monitoring and Reporting Program Page 2

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
MM AIR-3.2: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites to conduct a construction and operational health risk assessment (HRA) prior to the issuance of discretionary permits that would allow demolition or construction activities to take place (whichever occurs first).

If the HRA demonstrates, to the satisfaction of the City, that the health risk exposures for adjacent receptors will be less than BAAQMD project-level thresholds, then additional mitigation would be unnecessary. However, if the HRA demonstrates that health risks would exceed BAAQMD project level thresholds, additional feasible on- and off-site mitigation shall be analyzed to further reduce risks to the greatest extent practicable.

Adopt a policy in the
Housing Element
Update that would
require future
development at all
Housing Opportunity
Sites to conduct a
construction and
operational health risk
assessment (HRA)
prior to the issuance of
discretionary permits.

Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division

BIOLOGICAL RESOURCES
MM BIO-1.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Sites to comply with the following measures:
a. Demolition and nesting substrate (e.g., trees, bushes, grasses, and other vegetation) removal activities shall be scheduled to avoid nesting season (February 1 to August 31). To the extent feasible, construction activities shall be scheduled to occur during the nonnesting season (September 1 through January 31). b. Prior to issuance of any discretionary permits that would allow construction activities during the nesting season, a qualified biologist shall complete pre-construction surveys for active nests within 14 days of work commencing. The survey area must include the proposed development area and all areas within 300 feet of the development area boundary (“zone of influence”). If active nest, Adopt a policy in the
Housing Element
Update that would
require future
development
implement MM BIO1.1 during demolition
and construction
activities.

Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update December 2022
Mitigation Monitoring and Reporting Program Page 3

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
roost, or burrow sites are identified within the zone of influence, a no-disturbance buffer shall be established for all active nest sites prior to commencement of any proposed construction-related activities to avoid disturbances to migratory bird nesting activities. A no-disturbance buffer constitutes a zone in which construction activities cannot occur. The sizes of the buffers shall be determined by a qualified biologist based on the species, activities proposed near the nest, and topographic and other visual barriers. Buffers shall remain in place until the young have departed the area or fledged and/or the nest is inactive, as determined by the qualified biologist. c. If work is necessary within a buffer zone of an active bird nest, work may occur under the supervision of a qualified avian biologist. The qualified avian biologist monitoring the construction work shall have the authority to stop work and adjust buffers if any disturbance to nesting activity is observed.

CULTURAL RESOURCES
MM CUL-1.1:Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Site 14 to comply with the following measures:
a. Removal or alteration of the commemorative features of California Historic Landmark #934 shall be prohibited, and must be incorporated into any future development proposals for Site 14. b. As part of the future project-level CEQA analysis of any discretionary permit that would allow the demolition of the existing buildings located at Site 14, a Historic Resource Evaluation (HRE) shall be prepared by a qualified architect or architectural historian approved by the City and meeting the Secretary of the Interior's Adopt a policy in the
Housing Element
Update that would
require future
development
implement MM CUL1.1 prior to demolition
of any existing
buildings at Site 14.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
Professional Qualifications Standards published in the Code of Federal Regulations (36 CFR part 61). The HRE shall evaluate whether any of the existing buildings meet the definition of a historic resource pursuant to CEQA Guidelines Section 15064.5. If the existing buildings do not meet the definition of a historic resource, demolition may proceed. If the HRE finds that any of the existing buildings at Site 14 meet the definition of a historic resource, demolition of buildings eligible for listing as a historic resource shall be prohibited.
c. In the event that any buildings meeting the definition of a historic resource pursuant to CEQA Guidelines Section 15064.5 are identified, future development proposals for Site 14 shall be reviewed for compliance by a qualified architect or architectural historian approved by the City and meeting the Secretary of the Interior's Professional Qualifications Standards published in the Code of Federal Regulations (36 CFR part 61) with one or both of the following standards prior to issuance of any discretionary permits that would allow modifications to the existing buildings or new construction on Site 14:
• Secretary of Interior's Standards for the Treatment of Historic Properties with Guidelines for Preserving,
Rehabilitating, Restoring, and Reconstructing Historic
Buildings; or
• Secretary of Interior's Standards for Rehabilitation and Guidelines for Rehabilitating Historic Buildings (1995), Weeks and Grimmer.

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MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
MM CUL-2.1:Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Sites 6, 8, 10, 16, 18, and 19 to comply with the following measures:
a. If evidence of an archaeological site or other suspected cultural resource as defined by CEQA Guideline Section 15064.5,
including darkened soil representing past human activity (“midden”), that could conceal material remains (e.g., worked stone, worked bone, fired clay vessels, faunal bone, hearths, storage pits, or burials) is discovered during construction related earth-moving activities, all ground-disturbing activity within 100 feet of the resources shall be halted and the City Planning Manager shall be notified. The project sponsor shall hire a qualified archaeologist to conduct a field investigation. The City’s Planning Manager shall consult with the archaeologist to assess the significance of the find. Impacts to any significant resources shall be mitigated to a less-than-significant level through data recovery or other methods determined adequate by a qualified archaeologist and that are consistent with the Secretary of the Interior’s Standards for Archaeological documentation. Any identified cultural resources shall be recorded on the appropriate DPR 523 (A-J) form and filed with the NWIC.
b. Prior to the initiation of any site preparation and/or the start of construction, the project sponsor shall ensure that all construction workers receive training overseen by a qualified professional archaeologist who is experienced in teaching non-specialists, to ensure that contractors can recognize archaeological resources in the event that any are discovered during construction.

Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Sites 6, 8, 10, 16, 18,
and 19 prior to and
during construction
activities.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
MM CUL-2.2:Prior to approval, the 2023-2031 Housing Element shall be amended to include a policy requiring future development at Housing Opportunity Site 14 to comply with the following measures:
a. As part of the future project-level CEQA analysis of any discretionary permits that would allow ground-disturbing activities (e.g., grading, trenching, excavation, etc.) in the archaeological sensitive areas shown on Figure 4.5 1, exploratory trenching shall be conducted by a qualified archaeologist trained in both local prehistoric and historical archaeology within the proposed area of effect to determine if prehistoric- or historic-era archaeological resources are present. Explorations shall consist of at least one mechanically dug trench with excavation depths commensurate with the depth of proposed ground-disturbing activities. If any archaeological resources are exposed, these should be briefly documented, tarped for protection, and left in place. The results of the exploratory trenching shall be submitted to the Director of Community and Economic Development or the Director’s
designee. If it is determined by the project archaeologist that the proposed activities could damage an archaeological resource or that indications of other suspected archaeological resources are present (i.e., darkened soil “midden” representing past human activity), an Archaeological Resources Treatment Plan shall be prepared as described in MM CUL-2.1b below.
b. If recommended by the project archaeologist, an Archaeological Resources Treatment Plan shall be prepared by the project archaeologist that contains, at minimum:

Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Site 14 to conduct
exploratory trenching
consistent with MM
CUL-2.2.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
• Identification of the scope of work and range of subsurface effects (including location map and development plan),
including requirements for preliminary field investigations. • Description of the environmental setting (past and present) and the historic/prehistoric background of the parcel
(potential range of what might be found).
• Monitoring schedules and individuals
• Development of research questions and goals to be
addressed by the investigation (what is significant vs. what is redundant information).
• Detailed field strategy to record, recover, or avoid the finds and address research goals.
• Analytical methods. Report structure and outline of
document contents.
• Disposition of the artifacts.
• Security approaches or protocols for finds.
• Appendices: all site records, correspondence, and
consultation with Native Americans, etc.

Implementation of the treatment plan by the project archaeologist shall be required prior to the issuance of any permits related to ground-disturbing activities. The treatment plan shall utilize data recovery methods to reduce impacts on subsurface resources. The treatment plan shall be submitted to the Director of Community and Economic Development or the Director’s designee, along with a summary of the outcomes of the treatment plan and all associated documentation and recordation.

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MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
MM CUL-2.3:Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Site 14 to comply with the following measures:
a. Prior to the issuance of any discretionary permits that would allow ground-disturbing activities (e.g., grading, trenching, excavation, etc.) within the non-sensitive areas mapped on Figure 4.5 1, the project applicant shall hire a qualified archaeologist to develop a Worker’s Environmental Awareness Program (WEAP) to train the construction crew on the legal requirements for the treatment of cultural resources as well as procedures to follow in the event of a cultural resources discovery. This training program shall be given to the crew before ground disturbing work commences and shall include handouts to be given to new workers.
b. The applicant shall note on all construction plans that require ground disturbing activities that there is a potential for exposing buried cultural resources including prehistoric Native American burials.
c. In the event that potentially significant archaeological resources are encountered during ground-disturbing activities occurring at Site 14, all activity within a 50-foot radius of the find shall be stopped, the Director of Community and Economic Development or the Director's designee shall be notified, and the project archaeologist shall examine the find. The project archaeologist shall (1) evaluate the find(s) to determine if they meet the definition of an archaeological resource; and (2) make appropriate
recommendations regarding the disposition of such finds prior to issuance of building permits. Recommendations could include collection, recordation, and analysis of any significant cultural Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Site 14 to implement
MM CUL-2.3 prior to
the issuance of any
discretionary permits.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
materials. A report of findings documenting any data recovery shall be submitted to the Director of Community and Economic
Development or the Director's designee and the Northwest Information Center (if applicable).

MM CUL-3.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Sites 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 20, 22 and 23 to comply with the following measures:
a. If human remains are discovered at any project construction site during any phase of construction, all ground-disturbing activity within 100 feet of the resources shall be halted and the City’s Planning Manager and the San Mateo County Coroner shall be notified immediately, according to Section 5097.98 of the State Public Resources Code and Section 7050.5 of California’s Health and Safety Code. If the remains are determined by the County coroner to be Native American, the Native American Heritage Commission (NAHC) shall be notified within 24 hours, and the guidelines of the NAHC shall be adhered to in the treatment and disposition of the remains. The project sponsor shall also retain a professional archaeologist with Native American burial experience to conduct a field investigation of the specific site and consult with the Most Likely Descendant, if any, identified by the NAHC. As necessary, the archaeologist may provide professional assistance to the Most Likely Descendant, including the excavation and removal of the human remains. The City of San Bruno shall be responsible for approval of recommended mitigation as it deems appropriate, taking account of the provisions of State law, as set forth in CEQA Guidelines section 15064.5(e) and Public Resources Code section Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Sites 1, 2, 4, 5, 6, 7, 8,
9, 10, 11, 12, 14, 15,
16, 17, 20, 22 and 23
halt all grounddisturbing activities
within 100 feet of any
discovered resource,
consistent with MM
CUL-3.1.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
5097.98. The project sponsor shall implement approved mitigation, to be verified by the City of San Bruno, before the resumption of ground-disturbing activities within 100 feet of where the remains were discovered.

GREENHOUSE GAS EMISSIONS
MM GHG-1.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring applicants and their contractors to implement the following measures prior to and during construction:
a. Prior to issuance of any discretionary permits that would allow demolition or construction (grading, excavation, building, etc.) activities at the Housing Opportunity Sites, the applicant shall submit a construction management plan that demonstrates that:
• Alternative fueled (e.g. biodiesel, electric) construction vehicles/equipment shall make up at least 15 percent of the fleet;
• Buildings shall be constructed with local building materials of at least 10 percent (sourced from within 100 miles of the City limits); and
• Contractors shall recycle and reuse at least 50 percent of construction waste or demolition materials.

Adopt a policy in the
Housing Element
Update that would
require future
development submit a
construction
management plan prior
to the issuance of any
discretionary permit,
consistent with MM
GHG-1.1.

Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
MM GHG-1.2: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites to demonstrate adherence with the following design measures prior to issuance of any discretionary permits that would allow construction of residential units:
a. Construction of natural gas infrastructure and the use of natural gas appliances shall be prohibited;
Adopt a policy in the
Housing Element
Update that would
prohibit the
construction of natural
gas and use of natural
gas appliance, require
Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
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Mitigation Monitoring and Reporting Program Page 11

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
b. Future developments shall include all electric appliances; c. At a minimum, future development shall comply with off-street electric vehicle requirements in the most recently adopted version of CALGreen Tier 2 requirements.
all electric appliances,
and comply with offstreet electric vehicle
requirements in the
most recently adopted
version of CALGreen
Tier 2 requirements.

HAZARDS AND HAZARDOUS MATERIALS
MM HAZ-2.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Sites 6, 8, 10, 16, 18, and 19 to comply with the following measure:
a. The City shall require a Phase I Environmental Site Assessment (Phase I ESA) prior to issuance of any discretionary permits that would allow ground-disturbing activities, with a Phase II ESA also required if the Phase I ESA indicates evidence of potential site contamination. The City shall also require compliance with the site assessment(s) and any remediation, removal, and disposal requirements for soil, surface water, and/or groundwater contamination enforced by the Department of Toxic Substances Control (DTSC), Regional Water Quality Control Board
(RWQCB), San Mateo County Department of Environmental
Health (SMCEHS), California Division of Occupational Safety and Health (CalOSHA), U.S. Environmental Protection Agency (EPA), and other jurisdictional agencies.

Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Sites 6, 8, 10, 16, 18,
and 19 prepare a Phase
I ESA prior to the
issuance of any
discretionary permits.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
MM HAZ-2.2: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Site 14 to comply with the following measures:
a. Prior to the issuance of any discretionary permits that would allow ground-disturbing activities on Site 14 (outside of the area shown on Figure 4.9 1), the project proponent shall obtain a Phase I Environmental Site Assessment (ESA). The Phase I ESA shall be conducted in accordance with the United States Environmental Protection Agency’s All Appropriate Inquiries (AAI) Rule and the latest American Society for Testing and Materials (ASTM International) guidelines, and identify all potential subsurface contaminants warranting further investigation.
b. If the Phase I ESA identifies any potential contaminants warranting further investigation, a Phase II ESA shall be prepared in accordance with the United States Environmental Protection Agency’s AAI Rule and the latest ASTM International guidelines.

As part of the Phase II, a qualified environmental professional (as defined in Title 40 of the California Code of Regulations) shall take soil, soil vapor, and groundwater samples as determined necessary by the environmental professional in the area of proposed disturbance at 0.5 feet below ground surface (bgs) to the maximum proposed depth of disturbance. Collected soil samples shall be tested for all potential contaminants identified in the Phase I ESA to determine if contaminants exceed California Division of Occupational Safety and Health (Cal/OSHA) exposure limits or San Mateo County Environmental Health Services (SMCEHS) environmental screening levels for residential uses.

Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Site 14 to prepare a
Phase I ESA prior to
the issuance of any
discretionary permits.

If the Phase I ESA
identifies potential
concerns, a Phase II
ESA would be
prepared.

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
c. The results of the Phase II ESA shall be provided SMCEHS department. If determined necessary by the SMCEHS, a
Redevelopment Management Plan (RMP) or equivalent shall be prepared and submitted to the SMCEHS and the Director of Community and Economic Development or the Director’s designee that includes 1) an evaluation of whether redevelopment activities will create new exposure pathways to human health and the environment that pose unacceptable risks, and, if so, how those risks will be mitigated, and 2) a discussion of how contaminated media will be handled and disposed during construction activities.

Once approved by the SMCEHS and Community and Economic
Development Department, the RMP or equivalent shall be
implemented by a qualified environmental professional. The results of the RMP or equivalent shall be submitted to the SMCEHS and the Director of Community and Economic Development or the Director’s designee prior to the issuance of any issuance of any discretionary permits (e.g., grading, construction, occupancy, whichever occurs first).

MM HAZ-5.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at Housing Opportunity Site 14 to comply with the following measures:
a. Prior to the issuance of any construction or building permits, the applicant shall submit a plan with a list of equipment to be used during construction that includes their height and proposed area of operation to the Director of Community and Economic
Adopt a policy in the
Housing Element
Update that would
require future
development at
Housing Opportunity
Site 14 to submit a
plan that details the
type and location of
Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update December 2022
Mitigation Monitoring and Reporting Program Page 14

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
Development or the Director’s designee. The use of equipment in locations where it would penetrate critical aeronautical surfaces shall be expressly prohibited by any construction or building permits issued. The plan sets shall include a page depicting the critical aeronautical surfaces on-site, a list of all equipment with heights of 55 feet or greater and their respective heights, and informs construction workers that the use of equipment with heights that would penetrate critical aeronautical surfaces is prohibited. b. Future development at Housing Opportunity Site 14 shall comply with Policy AP-3 of the Comprehensive Airport Land Use
Compatibility Plan for the Environs of San Francisco International Airport (ALUCP). Buildings with heights in excess of the applicable critical aeronautical surface as shown in Exhibit IV-17 at Housing Opportunity Site 14 shall be prohibited unless the Federal Aviation Administration determines the proposed building height is not a hazard to air navigation in an aeronautical study prepared pursuant to the filing of Form 7460-1. Proof of compliance with Policy AP-3 of the ALUCP shall be provided to the Director of Community and Economic Development or the Director’s designee prior to issuance of any construction or building permits. construction
equipment. In addition,
all plans shall include a
page depicting the
critical aeronautical
surfaces on-site, a list
of all equipment with
heights of 55 feet or
greater and their
respective heights, and
informs construction
workers that the use of
equipment with heights
that would penetrate
critical aeronautical
surfaces is prohibited.

NOISE
MM NOI-2.1: Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites to implement the following measures during demolition and construction:

Adopt a policy in the
Housing Element
Update that would
require future
development at all
Housing Opportunity
Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update December 2022
Mitigation Monitoring and Reporting Program Page 15

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
• Groundborne vibration studies shall be prepared by qualified professionals in accordance with industry-accepted methodology where heavy construction activities involving significant site grading, underground, or foundation work will occur within 25 feet of residential or other vibration sensitive uses. The industryaccepted methodologies include the recommended vibration assessment procedure and thresholds provided by public agencies such as Caltrans or the Federal Highway Administration. The studies should identify necessary construction vibration controls to reduce both human annoyance and the possibility of cosmetic damage. Controls shall include, but not be limited to, the following measures:
o A list of all heavy construction equipment to be used for this project known to produce high vibration levels (tracked vehicles, vibratory compaction, jackhammers, hoe rams,
etc.) shall be submitted to the City by the contractor. This list shall be used to identify equipment and activities that would potentially generate substantial vibration and to define the level of effort for reducing vibration levels below the thresholds.
o Place operating equipment on the construction site as far as possible from vibration-sensitive receptors.
o Use smaller equipment to minimize vibration levels below the limits.
o Avoid using vibratory rollers and tampers near sensitive areas.
o Select demolition methods not involving impact tools.

Sites prepare
groundborne vibration
studies.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19 2023-2031 Housing Element Update December 2022
Mitigation Monitoring and Reporting Program Page 16

MITIGATION MONITORING AND REPORTING PROGRAM

SAN BRUNO HOUSING ELEMENT UPDATE PROJECT
Mitigation
Method of
Compliance Or
Mitigation Action
Timing of
Compliance
Oversight
Responsibility
o Modify/design or identify alternative construction methods to reduce vibration levels below the limits.
o Avoid dropping heavy objects or materials.

TRANSPORTATION
MM TRN-1.1:Prior to approval, the 2023-2031 Housing Element shall include a policy requiring future development at all Housing Opportunity Sites that would generate a sufficient amount of trips according to the City’s traffic analysis guidelines or otherwise warrant analysis as determined by the City to prepare a Transportation Analysis (TA) prior to the issuance of any discretionary permits. Prior to the preparation of the TA, a scope of work outlining the proposed approach to the TA shall be submitted to the Director of Public Works or the director’s designee for review and approval. The TA, at a minimum, shall evaluate the proposed development for consistency with the City’s General Plan and Walk ‘N Bike Plan, review the proposed layout for any geometric design features that may increase hazards (e.g., sight distances, turning radii, etc.), and verify adequate emergency access is provided. The TA shall provide recommendations addressing any identified inconsistencies, geometric design hazards, or emergency access issues that shall be incorporated into the final design. The TA shall be prepared in accordance with Public Works’ guidance and submitted prior to the approval of any discretionary permits as part of the project-level review of all future development under the Housing Element Update.

Adopt a policy in the
Housing Element
Update that would
require future
development at all
Housing Opportunity
Sites that would
generate a sufficient
amount of trips
according to the City’s
traffic analysis
guidelines or otherwise
warrant analysis as
determined by the City
to prepare a
Transportation
Analysis (TA) prior to
the issuance of any
discretionary permits.

Prior to approval of the
2023-2031 Housing
Element Update
Community and
Economic
Development
Department – Planning
Division
SOURCE: City of San Bruno, 2023-2031 Housing Element Update Initial Study, December 2022.

DocuSign Envelope ID: D97C2B4E-2934-461D-9685-34E874ADBB19

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Staff Report

CITY OF SAN BRUNO
DATE: January 24, 2023
TO: Honorable Mayor and Members of the City Council
FROM: Jovan D. Grogan, City Manager
Trisha Ortiz, City Attorney
SUBJECT: Review Commercial Cannabis Regulations
BACKGROUND:

On October 11, 2022, the City Council adopted two Ordinances collectively referred to as the City’s Commercial Cannabis Regulations:

1. Ordinance No. 1930 amended the City Zoning Code to add a new chapter to permit and regulate commercial cannabis retailers (storefront sales) and commercial cannabis distribution facilities; and

2. Ordinance No. 1931 provided various Municipal Code Amendments to regulate cannabis operations, including the addition of new Chapter 4.70 to define the Commercial Cannabis Operator’s Permit process.

These ordinances were effective on November 10, 2022.

At the City Council meeting on January 10, 2023, the City Council directed staff to bring the matter back the City Council to discuss potential changes to the City’s Commercial Cannabis Regulations. Two specific changes were suggested for consideration by the City Council:

1. To reduce the total number of allowed businesses from a maximum of four to a maximum of two, with one being for distribution use only, and the second being retail and/or distribution; and

2. To remove the downtown (Central Business District) and The Shops at Tanforan from permitted locations for commercial cannabis operations.

DISCUSSION:

Summary of Adopted Commercial Cannabis Regulations
The ordinances adopted on October 11, 2022 added a new Chapter 12.300 to the Zoning Code provisions of the Municipal Code to specify the zoning districts in which cannabis uses are allowed and added a new Chapter 4.70 to define the Operator’s Permit process.

The adopted cannabis regulations allows for up to three Cannabis Retailers (previously termed “dispensaries”) in selected areas of the City. Cannabis retailers are operations that provide general retail storefront sales of cannabis or cannabis products, packaging and labeling of cannabis for sale, and also include delivery services to residences or end-users. Cannabis 1832 of 1863
Honorable Mayor and Members of the City Council
January 24, 2023

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San Bruno City CouncilJanuary 24, 2023

San Bruno City Council
January 24, 2023