Vallejo City Council
May 26, 2026

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4.8.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to GHG emissions that were not previously examined in the Certified EIR and would not require any additional mitigation measures beyond those identified in the Certified EIR. Certified EIR Mitigation Measures GHG-1 through GHG12, as provided in Table 5.A in Chapter 5.0, Mitigation Measures, of this document, would remain applicable to the proposed project and would ensure that impacts related to GHG emissions would be less than significant. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.9 HAZARDS AND HAZARDOUS MATERIALS
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. Create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous materials?
b. Create a significant hazard to the public or the environment through reasonably foreseeable upset and accident
conditions involving the release of hazardous materials into the environment?
c. Emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within onequarter mile of an existing or proposed school? d. Be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code
Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment?
e. For a project located within an airport land use plan or, where such a plan has not been adopted, within 2 miles of a public airport or public use airport, would the project result in a safety hazard or excessive noise for people residing or working in the project area?
f. Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan?
g. Expose people or structures, either directly or indirectly, to a significant risk of loss, injury or death involving wildland fires?

4.9.1 Certified EIR Analysis
Section 4.7 of the Certified EIR analyzed potential impacts related to hazards and hazardous materials with implementation of the 2020 approved project. The Certified EIR determined that while the 2020 approved project would involve the transportation, use, and disposal of some hazardous materials during construction and operation (mostly related to fuel transport for the proposed gas station), compliance with existing local, State, and federal regulations would ensure that this transport and use would not create a significant hazard to the public or environment.

In addition, the Certified EIR determined that the project site is not included on a hazardous site list compiled pursuant to California Government Code Section 65962.5 and the 2020 approved project would not include any industrial uses which could generate hazardous materials or include the handling of hazardous materials in significant quantities that would impact surrounding schools. , According to the Phase I Environmental Site Assessment (ESA) prepared for the 2020 approved project, there were no recognized environmental conditions (RECs) (as defined by ASTM Practice E 1527 13) identified in association with the project site. Further, there are no private or public airport facilities near the project site and the Certified EIR determined that no revisions to the City’s adopted Emergency Operation Plan would be required as a result of the 2020 approved project

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The Certified EIR also determined that although the majority of uses proposed as part of the 2020 approved project would not create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment, a release of diesel or gasoline from the Costco gas station would be considered a potentially significant impact. Therefore, the Certified EIR prescribed Mitigation Measure HAZ-1, which requires the incorporation of specific design features prior to initiation of fueling station operations, to reduce impacts to less than significant.

Lastly, the Certified EIR determined that the project site is not located in a fire hazard severity zone.

In addition, the City would review all building plans for conformity with State and local statutes, ordinances, and regulations relating to the prevention of fire, the storage of hazardous materials, and the protection of life and property against fire, explosion, and exposure to hazardous materials.

4.9.2 Project Impacts

4.9.2.1 Transport, Use, Storage, and Disposal of Hazardous Materials Similar to the 2020 approved project, construction of the proposed project would include the routine transportation, use, and disposal of construction-related hazardous materials such as fuels, soils, solvents, and other materials. These materials are typical of materials delivered to construction sites. The amount of hazardous chemicals present during construction would be limited to what is required to operate construction equipment and would be handled in compliance with existing government regulations. The potential for the release of hazardous materials during project construction is low, and even if a release were to occur, it would not result in a significant hazard to the public, surrounding land uses, or the environment due to the small quantities of these materials associated with construction vehicles. In addition, the United States Department of Transportation regulates the transport of hazardous materials and waste in connection with construction activities and would require carriers to register with the California Department of Toxic Substances Control (DTSC).

Operation of the proposed project is expected to utilize relatively small amounts of hazardous materials, such as chemicals associated with landscape maintenance and equipment, solvents, cleaning products, pesticides/fertilizers, and other similar chemicals. These materials are substantially similar to household chemicals and solvents already in general and wide use throughout the City and in the vicinity of the project site. In addition, such materials would be contained, stored, and used in accordance with manufacturers’ instructions and handled in compliance with applicable federal, State, and local regulations. Any associated risk would be less than significant through compliance with these standards and regulations. Furthermore, operation of the proposed project would not transport, generate, or dispose of large quantities of hazardous substances.

Therefore, with compliance with all applicable federal, State, local, and manufacturer regulations, the proposed project would not create a significant hazard to the public or the environment from

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4.9.2.2 Release of Hazardous Materials and Risk of Upset As previously discussed, according to the Phase I ESA prepared for the 2020 approved project as part of the Certified EIR, there were no RECs (as defined by ASTM Practice E 1527 13) identified in association with the project site. In addition, the project site is not included on a hazardous site list compiled pursuant to California Government Code Section 65962.5. The proposed project would be located within the same project site as the 2020 approved project and would not include any industrial uses that could generate hazardous materials or include the handling of hazardous materials in significant quantities. Therefore, the proposed project would not create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment, similar to the 2020 approved project.

The Certified EIR prescribed Mitigation Measure HAZ-1, which requires the incorporation of specific design features to address potential impacts associated with the risk of release of diesel or gasoline from the Costco gas station. The proposed project would not modify the gas station element of the 2020 approved project and this mitigation measure would remain applicable to the proposed project to reduce impacts associated with the risk of release of hazardous materials to less than significant.

4.9.2.3 Emission of Hazardous Materials within 0.25 Miles of a School The proposed project includes the same type of uses as the 2020 approved project and would be located within the same project site. Therefore, the proposed project would not include any industrial uses that could generate hazardous materials or include the handling of hazardous materials in significant quantities that would impact surrounding schools, similar to the 2020 approved project.

4.9.2.4 Hazardous Materials Site Pursuant to Government Code Section 65962.5 As discussed above, the Certified EIR determined that the project site is not included on a hazardous site list compiled pursuant to California Government Code Section 65962.5. As the proposed project would be located within the same project site as the 2020 approved project, implementation of the proposed project would not create a significant hazard to the public or the environment due to being located on a site that is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5, similar to the 2020 approved project.

4.9.2.5 Aviation Hazards
As discussed above, the Certified EIR determined that there are no private or public airport facilities near the project site. As the proposed project would be located within the same project site as the 2020 approved project, implementation of the proposed project would not result in a safety hazard or excessive noise for people residing or working in the project area due to being located near an airport, similar to the 2020 approved project.

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4.9.2.6 Emergency Response or Evacuation Plan
Similar to the 2020 approved project, primary access to all major roads would be maintained during construction and operation of the proposed project. Construction activities that may temporarily restrict vehicular traffic would implement adequate and appropriate measures to facilitate the passage of persons and vehicles through/around any required road closures. As a condition of project approval, the applicant’s construction manager would be required to provide lane closure requirements to the City as well as to local emergency service responders (i.e., ambulance companies, fire department, and police department). During operation, the proposed project would not alter or block adjacent roadways, and implementation of the proposed project would not be expected to impair the function of nearby emergency evacuation routes. In addition, operation of the proposed project would not cause permanent alterations to vehicle circulation routes and patterns or impede public access or travel upon public rights-of-way.

Further, prior to approval of final maps and improvement plans for any development project within the City, plan review and approval by the Vallejo Fire District is required. Internal roadways and ingress/egress for each site would be required to meet State and local standards regarding turning radius, road width, and emergency vehicle access. Therefore, implementation of the proposed project would not impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan, similar to the 2020 approved project.

4.9.2.7 Wildfire
As discussed above, the Certified EIR determined that the project site is not located within a fire hazard severity zone. The California Department of Forestry and Fire Protection (CAL FIRE) updated the fire hazard severity zone maps for the City of Vallejo in February 2025.14 According to these new fire hazard severity zone maps, the project site continues to be located outside a fire hazard severity zone.

As such the proposed project, implementation of the proposed project would not expose people or structures, either directly or indirectly, to a significant risk of loss, injury or death involving wildland fires, similar to the 2020 approved project. In addition, similar to the 2020 approved project, the City would review all building plans for conformity with State and local statutes, ordinances, and regulations relating to the prevention of fire, the storage of hazardous materials, and the protection of life and property against fire, explosion, and exposure to hazardous materials.

4.9.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to hazards and hazardous materials that were not previously examined in the Certified EIR and would not require any additional mitigation measures. Certified EIR Mitigation Measure HAZ-1, as provided in Table 5.A in Chapter 5.0, Mitigation Measures, at the end of this document, would remain applicable to the 14 California Department of Forestry and Fire Protection (CAL FIRE). 2025. Fire Hazard Severity Zones.

February 25. Website: https://osfm.fire.ca.gov/what-we-do/community-wildfire-preparedness-andmitigation/fire-hazard-severity-zones (accessed April 2025).

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4.10 HYDROLOGY AND WATER QUALITY
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. Violate any water quality standards or waste discharge requirements or otherwise substantially degrade surface or groundwater quality?
b. Substantially decrease groundwater supplies or interfere substantially with groundwater recharge such that the
project may impede sustainable groundwater management
of the basin?
c. Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river or through the addition of impervious
surfaces, in a manner which would:
i. Result in substantial erosion or siltation on- or off-site; ii. Substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or offsite;
iii. Create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of
polluted runoff; or
iv. Impede or redirect flood flows?
d. In flood hazard, tsunami, or seiche zones, risk release of pollutants due to project inundation?
e. Conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan?

4.10.1 Certified EIR Analysis
Section 4.8 of the Certified EIR analyzed potential impacts related to hydrology and water quality with implementation of the 2020 approved project. The Certified EIR determined that implementation of the following mitigation measures would ensure that the 2020 approved project would not violate any water quality standards or waste discharge requirements or otherwise substantially degrade surface or groundwater quality and would reduce impacts related to erosion, flooding, exceeding the capacity of drainage facilities, and cumulative impacts to less than significant:
• Mitigation Measure HYD-1, which requires preparation of a Storm Water Pollution Prevention Plan (SWPPP) that satisfies the requirements of the National Pollutant Discharge Elimination System (NPDES) and State General Permit for construction and implementation of Best Management Practices (BMPs);
• Mitigation Measure HYD-2, which requires preparation of a final Storm Water Quality Plan (SWQP) that details project-specific site design, source control, and Low Impact Design (LID) measures, consistent with the City’s Municipal Separate Storm Sewer System (MS4) permit obligations; and

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The Certified EIR determined that the 2020 approved project would not result in groundwater overdraft, substantial local groundwater level drawdown, or substantially redirect storm water such that natural basin recharge would be precluded, as the City does not use groundwater supplies.

Although an area of the southwest portion of the project site was identified as being located within Zone AE, an area subject to the 1-percent-annual-chance flood event, because none of the proposed buildings would be in this area, the Certified EIR determined that no impacts related to impeding or redirecting flood flows would occur. In addition, the Certified EIR determined that impacts related to tsunamis, dam inundation and seiches would not occur due to the project site’s location.

Lastly, the Certified EIR determined that because the proposed project would incorporate bioretention, disperse runoff to meet LID requirements, and minimize impervious areas, and because the bioretention facilities would be designed to meet both treatment and flow-control requirements and would support groundwater recharge, the 2020 approved project would not conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan.

4.10.2 Project Impacts

4.10.2.1 Water Quality Standards
Similar to the 2020 approved project, the proposed project would disturb more than 1 acre of soil on the project site during construction and would therefore be required to comply with the SWRCB’s NPDES General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities (Order No. 2022-0057-DWQ, NPDES No. CAS000002) (Construction General Permit). As required by the Construction General Permit, the Construction Contractor would be required to prepare a SWPPP and implement Construction BMPs detailed in the SWPPP during construction activities. Construction BMPs would include, but not be limited to, erosion and sediment control (designed to minimize erosion and retain sediment on site), and good housekeeping practices to prevent spills, leaks, and discharge of construction debris and waste into receiving waters. Similar to the 2020 approved project, compliance with the Construction General Permit would be achieved through implementation of Mitigation Measure HYD-1.

The City of Vallejo is a co-permittee under the San Francisco Bay RWQCB’s Municipal Regional Stormwater NPDES Permit, Order No. R2-2022-0018, as amended by Order No. R2-2023-0019, NPDES Permit No. CAS612008 (MRP).15 Provision C.3.i of the MRP requires small projects that create and/or replace more than 2,500 square feet and less than 5,000 square feet of impervious surface to install site design measures that reduce runoff and pollutants in runoff. Site design measures may include installing permeable pavement surfaces and directing runoff into cisterns, rain barrels, and 15 San Francisco Bay Regional Water Quality Control Board (RWQCB). 2022. San Francisco Bay Region Municipal Regional Stormwater NPDES Permit, Order No. R2-2022-0018, as amended by Order No. R2- 2023-0019, NPDES Permit No. CAS612008. May 11.

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P:\2024\20242122 Vallejo - Fairview at Northgate\PRODUCTS\3_Final\Fairview at Northgate Addendum_Final.docx (08/27/25) 4-35 vegetated areas. Compliance with the MRP is implemented through Chater 12.41 (Stormwater Management and Discharge Control) of the City’s Municipal Code, which requires preparation and submittal of a Stormwater Control Plan (also known as a Storm Water Quality Plan [SWQP]) that details the design elements and implementation measures necessary to meet the post-construction stormwater control requirements of the MRP. Similar to the 2020 approved project, and as required by Chapter 12.41 of the City’s Municipal Code and the MRP, the proposed project would be required to prepare a SWQP and Drainage Plan that detail project-specific site design, source control, and LID measures, consistent with the MRP. Compliance with the MRP would be achieved through implementation of Mitigation Measures HYD-2 and HYD-3. Pursuant to Mitigation Measure HYD-3, the Drainage Plan would demonstrate the ability of the planned on-site stormwater drainage facilities to adequately collect on-site stormwater flows in accordance with all applicable standards and requirements. The Drainage Plan would demonstrate that the new stormwater drainage facilities would satisfy the MRP requirements by minimizing impervious surfaces, as feasible, and directing flows to operational BMPs; integrating appropriately sized BMPs to ensure postdevelopment flows do not exceed pre-development flows; and incorporating bio-retention in combination with site planning, minimizing impervious areas, and dispersion of runoff to meet LID requirements.

With implementation of Mitigation Measures HYD-1 through HYD-3, implementation of the proposed would not violate any water quality standards or waste discharge requirements or otherwise substantially degrade surface or groundwater quality, similar to the 2020 approved project.

4.10.2.2 Groundwater Supplies
As discussed in the Certified EIR, local groundwater is not used for the City’s water supply and the City has no intention to seek or investigate groundwater supply. In addition, operation of the proposed project would not require groundwater extraction. Therefore, the proposed project would not result in groundwater overdraft, substantial local groundwater level drawdown, or substantially redirect storm water such that natural basin recharge would be precluded, similar to the 2020 approved project.

4.10.2.3 Drainage Pattern and Surface Run-Off
As described above, the project site features varied topography, with the eastern (residential) portion relatively flat and the western (commercial) portion slightly elevated near Admiral Callaghan Lane. Under existing conditions, storm water generally drains northwest to a 54-inch culvert under Turner Parkway, while flows from the southern portion drain to a system running along the southern boundary, discharging through a culvert beneath Admiral Callaghan Lane and I-80.

With project implementation, storm water would continue to discharge to the existing 54-inch culvert under Turner Parkway. Runoff from the commercial area would be directed to the central open space (5.7-acre wetland) before entering the culvert. Runoff from the residential area would be treated in a bioretention basin at the northwest corner of Parcel 4, with overflow directed to the same culvert. A new 24-inch catch basin and 18-inch drain would manage the 100-year, 24-hour storm event, maintaining ponding well below Turner Parkway’s elevation. Drainage patterns would

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The proposed project would implement Mitigation Measures HYD-1 through HYD-3, which require compliance with applicable NPDES permit conditions, and preparation of SWPPP, a SWQP, and a Drainage Plan. BMPs would be employed during construction to minimize erosion, prevent spills, and control runoff.

With these measures in place, the proposed project would not result in significant erosion or siltation, increase flood risk, or exceed storm drain system capacity. Impacts would remain less than significant, consistent with the 2020 approved project.

4.10.2.4 Flooding
As with the 2020 approved project, the proposed project would collect and treat storm water on site before discharging to the existing storm drain system in Turner Parkway, in compliance with MRP requirements. Per Mitigation Measure HYD-3, the Drainage Plan would confirm that on-site facilities are designed to manage storm water in accordance with applicable standards, ensuring post-development flows do not exceed pre-development levels.

The proposed project would occupy the same site and be subject to the same flood hazard conditions as the 2020 approved project. While a portion of the southwest site lies within Federal Emergency Management Agency (FEMA) Zone AE (1 percent annual chance flood zone), no structures would be placed within this area. Therefore, the project would not impede or redirect flood flows, consistent with the 2020 approved project.

4.10.2.5 Inundation by Seiche or Tsunami
The proposed project would be located on the same site as the 2020 approved project and would be subject to the same flood and inundation risks. As identified in the Certified EIR, most of the site lies outside a flood hazard area, is not within a dam inundation zone, and is not at risk from seiches or tsunamis due to its inland location. Like the 2020 approved project, no structures would be placed within Zone AE. Therefore, the proposed project would not result in impacts related to the release of pollutants from flooding, tsunamis, or seiches.

4.10.2.6 Conflict with Basin Plan or Sustainable Groundwater Management Plan The project site falls under the jurisdiction of the San Francisco Bay Regional Water Quality Control Board (RWQCB), which enforces the Water Quality Control Plan for the San Francisco Bay Basin (Basin Plan) through NPDES permits. Compliance with applicable permits, including the Construction General Permit and MRP, would ensure the proposed project does not conflict with the Basin Plan.

As with the 2020 approved project, the proposed project would incorporate bioretention features, disperse runoff to meet LID requirements, and minimize impervious surfaces. Runoff would either flow to a central open space area or to a bioretention basin at the northwest corner of Parcel 4, with overflows discharged to the existing culvert under Turner Parkway. These facilities would provide both water quality treatment and flow control, supporting groundwater recharge. The site does not

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Accordingly, the proposed project would not conflict with any water quality or groundwater management plans, consistent with the 2020 approved project.

4.10.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to hydrology and water quality that were not previously examined in the Certified EIR and would not require any additional mitigation measures beyond those identified in the Certified EIR. Certified EIR Mitigation Measures HYD-1 through HYD-3, as provided in Table 5.A in Chapter 5.0, Mitigation Measures, at the end of this document, would remain applicable to the proposed project and would ensure that impacts related to hydrology and water quality would be less than significant. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.11 LAND USE AND PLANNING
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. Physically divide an established community?
b. 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?

4.11.1 Certified EIR Analysis
Section 4.9 of the Certified EIR analyzed potential impacts associated with land use and planning with implementation of the 2020 approved project. The Certified EIR determined that the 2020 approved project would not introduce roadways or infrastructure that would divide an established community and was designed to ensure compatibility with surrounding land uses. As a result, no significant land use conflicts were identified.

The Certified EIR also determined the 2020 approved project to be consistent with applicable land use regulations, including the City of Vallejo General Plan and zoning standards. The project site was evaluated for its integration with existing commercial and residential uses, and the Certified EIR determined that the 2020 approved project would incorporate infrastructure improvements, such as roadway enhancements, pedestrian pathways, and open space connectivity, which would ensure compatibility with surrounding development. As such, the Certified EIR determined that the 2020 approved project would not conflict with applicable land use plans or policies. Therefore, potential impacts related to land use and planning were determined to be less than significant, and no mitigation was prescribed.

4.11.2 Project Impacts

4.11.2.1 Divide an Established Community
The project site is currently undeveloped and contains no existing residences or businesses. The proposed project would increase residential development on the same 23.8-acre portion of the site (Parcel 4), changing from 178 two-story single-family homes to 245 units consisting of 119 detached homes and 126 cluster-style detached homes (bungalows). Density would be increased from 7.48 to

10.29 units per gross acre, consistent with the RMD Zoning District. The project would also remove one of four commercial buildings, reducing retail space by approximately 9,195 square feet.

The proposed project would retain the 2020 approved project’s footprint and would not introduce new roadways that divide the community. Access improvements include a widened Admiral Callaghan Lane with a new sidewalk, three commercial driveways, and two residential connections from Turner Parkway. The project would also improve pedestrian connectivity through sidewalks, paseos, trails, and a new sidewalk along Turner Parkway. As a continuation of existing urban development, the project would not divide an established community, and impacts would be less than significant, similar to the 2020 approved project.

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4.11.2.2 Consistency with Land Use Plans, Policies, and Regulations While maintaining the same development footprint as the 2020 approved project, the proposed project increases residential density and reduces retail square footage, remaining aligned with the City’s planning objectives and the intent of the General Plan and zoning designations. The City of Vallejo General Plan 2040 Land Use Map16 designates the western portion of the project site as Retail/Entertainment (RE), and the central and eastern portions of the project site as Mix of Housing Types/Medium Density (R-MH). The RE designation provides for general retail, services, and entertainment for local residents as well as consumers and visitors from the wider region. Permitted land uses include shopping centers, auto sales, amusement parks, hotels, restaurants, service stations, marine-related operations, offices, general retail, personal and business services, and similar commercial uses.

The maximum permitted FAR in the RE designation is 1.5. The R-MH applies to residential neighborhoods largely characterized either by (1) single-family homes but with a mix of other housing types, including duplexes, triplexes, fourplexes, some smaller scale apartment buildings and small commercial spaces; or (2) primarily single-use, multi-family developments with common outdoor spaces that may be appropriate where they can be visually integrated into the existing neighborhood context. Permitted land uses include single-family homes; in some instances, duplexes, triplexes, fourplexes, smaller scale apartment buildings, and small commercial spaces; and public facilities such as schools, religious institutions, parks, and other community facilities appropriate within a residential neighborhood. The maximum permitted residential density in the RMH designation is 25 dwelling units per acre. The project design includes connectivity to nearby commercial uses, aligning with the General Plan’s goal of integrating residential and small commercial spaces.

The City of Vallejo Zoning Map17 was inadvertently revised to identify the western portion of the project site as Regional Commercial (RC), and the central and eastern portions of the project site as Residential Medium Density (RMD).

The proposed project would require a zone change to correct the zoning from RC and RMD to PD, consistent with the Certified EIR, with a revised lot width. The proposed uses would be consistent with the intent of the General Plan and zoning designations for the project site. Specifically, the commercial component of the proposed project is consistent with the intent of the RE General Plan designation and RC zoning designation, which allows services, offices, retail, and personal business uses, and the residential component of the proposed project is consistent with the R-MH General Plan designation and RMD zoning designation, which permits single-family homes with access to community recreational areas and pedestrian corridors. The project design includes connectivity to nearby commercial uses, aligning with the General Plan’s goal of integrating residential and small 16 City of Vallejo. Propel Vallejo, General Plan 2040, amendments through July 24, 2018. Adopted August 29, 2017.
17 City of Vallejo. Zoning Map. Adopted July 22, 2021. Website: https://covit.maps.arcgis.com/apps/View/ index.html?appid=7638bbc2a29d4c4387366372429f6daa&extent=-122.3063,38.0807,-122.2239,38.1134 (accessed August 2, 2024).

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The project also contributes to the City’s Regional Housing Needs Allocation (RHNA) by creating 686 new residents associated with the 245 single-family residences, representing approximately 6 percent of the City’s total RHNA target across all income levels. Therefore, the proposed project would be consistent with applicable land use plans, policies, and regulations, and impacts would be less than significant, similar to the 2020 approved project.

4.11.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to land use and planning that were not previously examined in the Certified EIR and would not require any new mitigation measures. Impacts related to land use and planning would remain less than significant, as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.12 MINERAL RESOURCES
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. 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?
b. 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?

4.12.1 Certified EIR Analysis
Chapter 5.0 of the Certified EIR discussed potential impacts on mineral resources. According to the Certified EIR, the project site is not designated as a mineral resource zone of statewide or regional significance by the California Geological Survey, nor does it contain any known mineral deposits of economic value. Therefore, the Certified EIR determined that the 2020 approved project would have no significant impact on mineral resources.

4.12.2 Project Impacts
As the proposed project would be located within the same project site as the 2020 approved project, the proposed project would not be located on a site designated as a mineral resource zone of statewide or regional significance by the California Geological Survey, or on a site that contains any known mineral deposits of economic value. As such, similar to the 2020 approved project, implementation of the proposed project would not result in the loss of availability of a known mineral resource or a locally important mineral resource recovery site. Therefore, no impacts related to mineral resources would occur with implementation of the proposed project, similar to the 2020 approved project.

4.12.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to mineral resources that were not previously examined in the Certified EIR and would not require any new mitigation measures.

No impact related to mineral resources would remain as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.13 NOISE
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project result in:
a. 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? b. Generation of excessive groundborne vibration or
groundborne noise levels?
c. 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 2 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?

4.13.1 Certified EIR Analysis
Section 4.10 of the Certified EIR evaluated potential noise impacts from construction and operation of the 2020 approved project. Construction activities were found to result in temporary increases in ambient noise from equipment and vehicle trips, with the loudest activities occurring during grading and excavation. The Certified EIR indicated that temporary construction noise is exempt from residential standards. Construction-related traffic would also not substantially increase roadway noise levels as all trucks would comply with applicable noise standards. In addition, the Certified EIR prescribed Mitigation Measure NOI-1, which requires limiting construction hours, maintaining equipment, and implementing site-specific noise controls during construction activities.

Operational noise sources for the 2020 approved project include vehicle trips, rooftop equipment, deliveries, parking lot activity, and landscape maintenance. The Certified EIR determined that traffic noise during operation of the 2020 approved project would increase by a maximum of 2.0 Aweighted decibels (dBA) Community Noise Equivalent Level (CNEL), which is below the 3.0 dBA threshold for significance established by the City. In addition, heating, ventilation, and air conditioning (HVAC) equipment and other mechanical sources would be set back from receptors and shielded as needed to comply with the City’s 60 dBA equivalent continuous sound level (Leq) standard. Delivery and operational noise, including from the tire center and gas station, would remain below ambient levels at nearby residences. Therefore, the Certified EIR determined that construction and operational noise impacts would be less than significant with mitigation.

The Certified EIR also evaluated construction-related vibration based on Federal Transit Administration (FTA) thresholds. No pile driving was proposed as part of the 2020 approved project, and vibration from typical equipment (e.g., bulldozers, trucks) was determined to not exceed the

0.2 inches per second peak particle velocity (PPV) threshold at the nearest receptors. Operational activities would also not involve substantial vibration sources. Therefore, the Certified EIR determined that groundborne vibration impacts would be less than significant.

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4.13.2 Project Impacts

4.13.2.1 Impacts to Ambient Noise Levels
Construction Noise. Similar to the 2020 approved project, construction of the proposed project would generate temporary increases in ambient noise from equipment operation, construction activities, and vehicle trips. Noise levels would vary by phase, with the loudest activities occurring during grading and excavation due to the use of heavy equipment such as bulldozers, backhoes, excavators, and scrapers. Equipment operation would be intermittent and mobile, with noise peaking as machinery passes near sensitive receptors, including residences near the project boundary. While equipment can produce noise levels up to 90 dBA at 50 feet, only limited quantities operate simultaneously in a given area. Construction would also require the use of a helicopter (e.g., Kaman K-Max) for up to two days to install rooftop HVAC units. While hovering 200 feet above the site, the helicopter would generate noise levels of approximately 92 dBA at 100 feet.

Similar to the 2020 approved project, all construction would occur during permitted hours (7:00 a.m. to 6:00 p.m.) in accordance with the City’s Municipal Code, Section 12.40.070. Although it should be noted that Section 16.072.050(C) exempts temporary construction activities from residential noise standards.

Construction-related vehicle traffic would result in less than a 3 dBA increase which is below the levels considered perceptible. Construction trucks would comply with State and federal pass-by noise standards (80 dBA at 50 feet).

Overall, with adherence to applicable City standards, including Section 12.40.070 of the City’s Municipal Code, construction noise impacts would be less than significant, similar to the 2020 approved project.

Operational Noise. Similar to the 2020 approved project, operation of the proposed project would introduce new noise sources, including off-site vehicle trips, mechanical equipment, truck loading and deliveries, tire center and gas station activity, parking lot movements, and landscape maintenance. The proposed project would not generate substantial traffic noise. This increase would remain below the 3.0 dBA threshold considered perceptible and significant; traffic noise impacts would be less than significant.

Noise from HVAC units would attenuate below the City’s 60 dBA Leq exterior standard. The proposed project would modify the 2020 approved project to increase the residential component and decrease the commercial component. As such, the proposed project would not introduce new uses that would result in significant changes to operational noise impacts as described in the Certified EIR for the 2020 approved project.

Overall, with implementation of Mitigation Measure NOI-1 to address construction noise impacts and given the high ambient noise from nearby I-80, distances to receptors, and project design

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4.13.2.2 Groundborne Noise and Vibration Impacts
Similar to the 2020 approved project, construction activities associated with the proposed project would result in temporary groundborne vibration, primarily from heavy equipment such as bulldozers, trucks, and rollers. Construction of the proposed project would be similar to the 2020 approved project, and would also not include pile driving. As such, temporary groundborne vibration impacts during construction of the proposed project would be less than significant, similar to the 2020 approved project. During operations, the proposed project would not involve significant vibration sources such as railways or heavy truck traffic. Further, occasional delivery vehicles would not generate perceptible vibration levels at surrounding uses. Therefore, impacts related to groundborne vibration and noise during construction and operation of the proposed project would be less than significant, similar to the 2020 approved project.

4.13.2.3 Aircraft Noise Source Impacts
The proposed project would be located on the same project site as the 2020 approved project. Napa County Airport lies approximately six miles northwest of the project site. Other public airport facilities include Buchanan Field Airport in the City of Concord and Sonoma Valley Airport in the City of Sonoma, both approximately 12 miles from the project site. According to the General Plan EIR, no private air facilities such as helipads, are located within 10 miles of the City. Therefore, no impacts related to aircraft noise would occur, similar to the 2020 approved project.

4.13.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to noise that were not previously examined in the Certified EIR and would not require any additional mitigation measure beyond those identified in the Certified EIR. Certified EIR Mitigation Measure NOI-1, as provided in Table 5.A in Chapter 5.0, Mitigation Measures, at the end of this document, would remain applicable to the proposed project and would ensure that impacts related to construction noise would be less than significant. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.14 POPULATION AND HOUSING
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. 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)?
b. Displace substantial numbers of existing people or housing, necessitating the construction of replacement housing
elsewhere?

4.14.1 Certified EIR Analysis
Section 4.14 of the Certified EIR analyzed potential impacts related to population and housing with implementation of the 2020 approved project. According to the Certified EIR, the 2020 approved project would accommodate 362 jobs associated with the 179,688 square feet of commercial area and would create 513 new residents associated with the 178 single-family residences, which would help meet the City’s Regional Housing Needs Allocation (RHNA) for 2015-2023.

Because of the nearby location, the 270 existing Costco employees are expected to transfer to the new site. As a result, the Certified EIR determined the 2020 approved project would generate a net increase of 92 jobs. This increase would not substantially affect the City’s jobs-housing balance, and impacts related to population growth would be less than significant. Additionally, since the project site is currently vacant and undeveloped, the project would not displace existing housing or people, nor require the construction of replacement housing.

4.14.2 Project Impacts
The proposed project would increase the residential component of the 2020 approved project on the same 23.8-acre portion of the project site (Parcel 4) from 178 two-story single-family residences to 245 units and would remove one of the four commercial buildings, reducing the retail square footage by approximately 9,195 square feet. As such, implementation of the proposed project would result in an increase in employees and residents at the project site, similar to the 2020 approved project.

Based on a 2.8 persons per household estimate for the City of Vallejo obtained from the United States Census Bureau, development of the 245 new residential units is estimated to result in a total population of up to approximately 686 residents on the project site.18 This represents an increase of 173 residents as compared to the 2020 approved project. Based on the average employment 18 United States Census Bureau. City of Vallejo, QuickFacts, Persons per household, 2019-2023. Website:
https://www.census.gov/quickfacts/fact/table/vallejocitycalifornia/INC110223 (accessed April 2025). 2.79 persons per household * 245 units = 683.55 (rounded to 684).

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As of July 1, 2023, the City of Vallejo’s population was estimated at 122,807. The proposed project would add approximately 0.5 percent to the City's population and is intended to help meet local housing needs, including those identified in the City’s RHNA. Most future residents are expected to come from the surrounding area. The project does not involve new public infrastructure, such as wastewater treatment facilities, which could induce additional growth. Since it is consistent with the City’s General Plan, the population increase has been accounted for in long-term planning and is not considered unplanned. Additionally, because the site is currently vacant, the project would not displace existing housing or residents, similar to the 2020 approved project.

4.14.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to population and housing that were not previously examined in the Certified EIR and would not require any new mitigation measures. Impacts related to population and housing would remain less than significant as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines. 19 The Certified EIR used an employment density factor of 860 square feet per employee based on coordination with Costco. The number of employees associated with the proposed project was determined based on data available from Envision 2040, 4-Year Review, Market Overview and Employment Lands Analysis prepared for the City of San Jose and dated January 28, 2016. Based on the available data, an employment density factor for retail land uses is between 250 and 650 square feet per employee. In order to provide a conservative analysis, the employment density factor of 650 square feet per employee was used to estimate employment generate from the proposed project. 20 Strategic Economics. 2016. Envision 2040, 4-Year Review, Market Overview and Employment Lands Analysis. January 28.

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4.15 PUBLIC SERVICES
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. 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:
i. Fire protection?
ii. Police protection?
iii. Schools?
iv. Parks?

4.15.1 Certified EIR Analysis
Section 4.13 of the Certified EIR analyzed potential impacts related to public services with implementation of the 2020 approved project. The Certified EIR determined that because the 2020 approved project would pay all applicable fees to provide for its fair share of increased demand for fire protection, law enforcement, and school services, as well as park resources, and because the 2020 approved project has been designed to conform to all safety requirements and provides recreation/open space areas, impacts to public services would be less than significant.

4.15.2 Project Impacts
As discussed in Section 4.14, Population and Housing, of this document, although the proposed project would add approximately 171 more residents than the 2020 approved project, it would not result in significant unplanned population growth. The project is consistent with the City’s General Plan, and the associated demand for fire, police, school, and park services has been accounted for in long-term planning. The proposed project would comply with all applicable fire safety and emergency access codes, and the Vallejo Fire Department would review site plans for emergency access and fire flow prior to building permit issuance. Additionally, the project would be built to current California Building Code standards, incorporating fire-resistant materials and design features. As such, any increase in service demand would be minimal and would not adversely affect response times or require new or expanded fire protection facilities, consistent with the 2020 approved project. The project site is within the boundaries of the Vallejo City Unified School District (VCUSD). According to the Solano County General Plan EIR (2008), the VCUSD currently has 16 elementary schools (serving kindergarten through 5th grade); five middle schools (serving grades 6th through 8th); four high schools (serving 9th through 12th); one continuation school; one alternative school; one special education school; and one adult school.21 As discussed in Section

4.14, Population and Housing, of the Certified EIR, future employees and residents are expected to 21 Solano County. 2008. Solano County General Plan EIR, Chapter 4.9, Public Services and Utilities. August 5, 2008.

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4 P:\2024\20242122 Vallejo - Fairview at Northgate\PRODUCTS\3_Final\Fairview at Northgate Addendum_Final.docx (08/27/25) -48 come from the city or immediate surrounding area. Under State law, the project applicant would be required to pay school impact fees per SB 50, prior to the issuance of a building permit, to mitigate for impacts to school facilities. Therefore, the proposed project would not require the construction of new or physically altered educational facilities, similar to the 2020 approved project.

As discussed in Section 4.16, the proposed project would be required to dedicate land and, if necessary, pay fees to support new park construction and maintain existing parks. This would avoid physical deterioration of park facilities due to increased demand. All parkland would be provided on site, and associated impacts were analyzed in the Certified EIR and this Addendum. Because the project meets its parkland requirements through development of a neighborhood and linear park, it would not alter citywide parkland demand. Therefore, the project would not result in significant recreational impacts, consistent with the 2020 approved project. Overall, similar to the 2020 approved project, the proposed project would pay all applicable fees to provide for its fair share of increased demand for fire protection, law enforcement, and school services, as well as park resources. Therefore, impacts to public services would be less than significant, similar to the 2020 approved project.

4.15.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to public services that were not previously examined in the Certified EIR and would not require any new mitigation measures.

Impacts related to public services would remain less than significant as identified in the Certified EIR.

Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.16 RECREATION
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
a. 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?
b. 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?

4.16.1 Certified EIR Analysis
Section 4.14 of the Certified EIR analyzed potential impacts related to recreation with implementation of the 2020 approved project. The Certified EIR determined that because the 2020 approved project would be required to dedicate land and, if necessary, pay fees to fund the construction of new parks and the maintenance of existing parks, the additional demand for parks generated by the 2020 approved project would not result in the physical deterioration of existing parks and facilities within the city. In addition, all parkland proposed as part of the 2020 approved project would occur within the project site and potential impacts were therefore accounted for in the Certified EIR. Accordingly, the Certified EIR determined that recreational facilities constructed as part of the 2020 approved project would not result in an adverse physical effect on the environment. Lastly, the Certified EIR determined that the 2020 approved project would not result in a change in parkland demand for the City because the 2020 approved project would meet its project-specific parkland requirements as well as providing a linear park/trail that would be open to the public.

4.16.2 Project Impacts
The proposed project would increase the residential component of the 2020 approved project on the same 23.8-acre portion of the project site (Parcel 4) from 178 single-family residences to 245 units and would remove one of the four commercial buildings, reducing the retail square footage by approximately 9,195 square feet. In addition, the proposed residential development would include a 43,620-square foot neighborhood park located between the two different housing types and Parcel E would consist of a 39,716-square-foot private linear park located along the western edge of the proposed residential development, similar to the 2020 approved project. a Similar to the 2020 approved project, the proposed project would dedicate land and, if needed, pay fees to support new park development and maintain existing facilities. As a result, it would not contribute to the deterioration of City parks. All parkland would be provided on site, and associated impacts were addressed in the Certified EIR and this Addendum. Since the project meets its parkland requirements through the planned neighborhood and linear parks, it would not change overall parkland demand in the City. Therefore, implementation of the proposed project would not result in any significant impacts on recreation or recreational facilities, similar to the 2020 approved project.

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4.16.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to recreation that were not previously examined in the Certified EIR and would not require any new mitigation measures.

Impacts related to recreation would remain less than significant as identified in the Certified EIR.

Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.17 TRANSPORTATION/TRAFFIC
Potentially
Significant
Impact
Less Than
Significant with
Mitigation
Incorporated
Less Than
Significant
Impact
No New
Impact
Would the project:
a. Conflict with a program, plan, ordinance or policy addressing the circulation system, including transit, roadway, bicycle and pedestrian facilities?
b. Conflict or be inconsistent with CEQA Guidelines §15064.3, subdivision (b)?
c. Substantially increase hazards due to a geometric design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)?
d. Result in inadequate emergency access?

4.17.1 Certified EIR Analysis
Section 4.15 of the Certified EIR evaluated the 2020 approved project’s consistency with applicable transportation-related plans, policies, and ordinances. The analysis considered the City’s General Plan and regional transportation goals established by the Metropolitan Transportation Commission (MTC) and Solano Transportation Authority (STA). The City’s General Plan emphasizes development that supports multimodal access and efficient vehicular circulation, particularly in regional commercial centers such as the project site.

The Certified EIR determined the 2020 approved project would cause seven intersections to operate at a deficient level of service during at least one peak hour. This would result in significant and unavoidable impacts to level of service (LOS) and would require mitigation. Mitigation Measure TR-1 requires the applicant to construct roadway improvements at Admiral Callaghan Lane and Turner Parkway, including a new right-turn lane and modified lane geometry, before occupancy; Mitigation Measure TR-2 mandates a pre-occupancy signal timing study for existing and proposed traffic signals to optimize traffic flow; Mitigation Measure TR-3 requires a post-occupancy signal coordination study within three months of the Costco opening to confirm traffic projections and refine signal timing based on real conditions; and Mitigation Measure TR-4 requires coordination with SolTrans to construct a new bus pull-out on eastbound Turner Parkway. However, the Certified EIR determined that LOS impacts would remain significant and unavoidable. Because the 2020 approved project would result in significant and unavoidable LOS impacts, the Certified EIR determined that impacts related to conflict with a program, plan, ordinance, or policy addressing the circulation system would also be significant and unavoidable, even with implementation of Mitigation Measures TR-1 through TR-4.

The Certified EIR found that the 2020 approved project includes a reconfigured retail layout and improved driveway access along Admiral Callaghan Lane, consistent with City design standards. It would also provide internal pedestrian pathways, bicycle parking, and transit stop enhancements, supporting policies that promote multimodal connectivity. While the project would increase vehicle trips, it would not obstruct planned transportation improvements. Circulation impacts under “Existing Plus Project” conditions identified some intersections operating at unacceptable levels of

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Additionally, the Certified EIR determined no obstacles to site distance are expected to result from the construction of the proposed project and implementation of the 2020 approved project would not include any hazardous design features such as sharp curves or dangerous intersections and would therefore result in a less than significant impact to hazards related to traffic and transportation.

The Certified EIR determined the 2020 approved project provides adequate emergency vehicle access to the site and impacts to emergency access was therefore found to be less than significant.

4.17.2 Project Impacts

4.17.2.1 Plan Consistency
Like the 2020 approved project, the proposed project would comply with all applicable City transportation policies, including those in the General Plan. It includes reconfigured retail space and improved driveway access along Admiral Callaghan Lane to support site access while allowing for future circulation improvements. The project also features internal pedestrian paths, bicycle parking, and transit stop enhancements, aligning with local and regional goals for active transportation and transit accessibility. While the proposed project would generate additional vehicle trips in the near term, it would not conflict with adopted transportation plans or programs.

Based on the Fairview at Northgate Small Lot Tentative Plan – Trip Generation and EIR Considerations letter prepared by Kittelson & Associates, dated March 13, 2024 (Appendix B), as compared to the 2020 approved project, the proposed project would result in changes to trip generation that are negligible and no additional analyses or mitigation measures are required. The project would also implement applicable General Plan circulation policies and would not obstruct planned transit, bicycle, or pedestrian improvements. Although some intersections may continue to operate at unacceptable levels of service, this is due to overall traffic growth—not project-specific inconsistencies with circulation plans. The project also includes transportation demand management strategies and access improvements that align with regional mobility goals set by MTC and STA. As noted in Section 4.17.1 of the Certified EIR, while LOS thresholds would still be exceeded, the proposed project would not worsen the severity of existing significant and unavoidable impacts, nor would it result in any new impacts. In addition, Mitigation Measures TR-1 through TR-4 would remain applicable to address impacts associated with conflict with program, plan, ordinance, or policy addressing the circulation system.

4.17.2.2 CEQA Guidelines Section 15064.3
Effective December 28, 2018, the State CEQA Guidelines were updated to establish vehicle miles traveled (VMT) as the criteria for analyzing transportation impacts for land use projects. As noted in

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4.17.2.3 Hazards
As with the 2020 approved project, the proposed project is not expected to create any site distance obstructions. Surrounding roads are generally straight and free of visual barriers, and the project does not include hazardous design features such as sharp curves or dangerous intersections. All roadway improvements would comply with City street design standards (City Municipal Code Section 15.60.030) and be reviewed by City staff, including the Fire Department, prior to construction. Therefore, impacts related to roadway design hazards would remain less than significant.

4.17.2.4 Emergency Access
As shown previously in Figure 3-4, the proposed residential development would be accessed from Turner Parkway via two new streets (“A” and “C” Streets), which would connect to five new east– west streets (“B,” “D,” “E,” “F,” and “G” Streets) serving the residences on Parcel 4. Like the 2020 approved project, three vehicle access points would be provided on Admiral Callaghan Lane for the commercial center. If one driveway is blocked, emergency vehicles would still have alternate access.

Project driveways and drive aisles would provide at least 24 feet of clear travel width, adequate for emergency circulation. The City’s Fire Department will review all proposed street improvements prior to construction. As a result, emergency access would not be impeded, and impacts would remain less than significant.

4.17.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to transportation or traffic that were not previously examined in the Certified EIR and would not require any additional mitigation measures beyond those identified in the Certified EIR. Certified EIR Mitigation Measures TR-1 through TR-4, as provided in Table 5.A in Chapter 5.0, Mitigation Measures, at the end of this document, would remain applicable to the proposed project and would address impacts related to conflict with a program, plan, ordinance, or policy addressing the circulation system. However, impacts would remain significant and unavoidable, even with implementation of these mitigation measures, similar to the 2020 approved project. Impacts related to transportation and traffic would not increase the severity of the significant and unavoidable impacts and no new impact would occur.

All other impacts related to transportation would remain less than significant, as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.18 UTILITIES AND SERVICE SYSTEMS
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
Would the project:
a. 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?
b. Have sufficient water supplies available to serve the project and reasonably foreseeable future development during
normal, dry and multiple dry years?
c. Result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project’s projected demand in addition to the provider’s existing commitments?
d. 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?
e. Comply with federal, state, and local management and reduction statutes and regulations related to solid waste?

4.18.1 Certified EIR Analysis
Section 4.16 of the Certified EIR evaluated utility and service system impacts for the 2020 approved project. It concluded that the project would connect to existing water, wastewater, electric, gas, and telecommunication facilities, all of which have adequate capacity, with no off-site upgrades required. Stormwater runoff would be managed through a bioretention basin and infrastructure designed to capture, retain, and gradually release flows, preventing increased off-site runoff.

Additionally, all on-site utility extensions were included in the 2020 approved project scope and would occur within already disturbed areas. In addition, the Certified EIR determined that because the 2020 approved project is consistent with the City’s General Plan and that the General Plan EIR concluded that buildout of the General Plan would not result in a significant impact on water supply, the City would have sufficient water supplies available to serve the 2020 approved project. The Certified EIR also determined that development of the 2020 approved project would not result in a determination that the wastewater treatment facility does not have adequate capacity to serve the 2020 approved project and that the Potrero Hills Landfill and Hay Landfill have sufficient capacity to serve the 2020 approved project. Lastly, the Certified EIR determined that the 2020 approved project would comply with federal, State, and local statutes and regulations including waste reduction measures, waste diversion, and inclusion of recycling programs.

4.18.2 Project Impacts

4.18.2.1 New or Expanded Utility Facilities
The project site is located in an urban area that is currently served by existing utilities, including water, sanitary sewer, storm drainage, electricity, gas, and telecommunications infrastructure.

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Water service for the proposed project would be provided by the Vallejo Water Department via an existing 14-inch water line in Turner Parkway. New water lines through the residential development would connect to this main at “A” Street and “C” Street. Based on the Fairview at Northgate Sewer Flow and Water Demand Analysis, prepared by Kier & Wright, dated June 23, 2025 (Appendix C), the proposed project would result in less than 12 acre-feet per year of additional water demand as compared to the 2020 approved project. As such, it is anticipated this demand can be accommodated by existing water infrastructure and would not exceed the capacity of existing treatment facilities. No new off-site infrastructure would be needed beyond project-specific tie-ins, consistent with the 2020 approved project.

Wastewater service would be provided by the Vallejo Flood and Wastewater District (VFWD) through an existing 12-inch sanitary sewer line in Turner Parkway. New on-site sewer lines would tie into this main at “A” Street and “C” Street. Wastewater would flow to the Sears Point Pump Station and Storage Facility, which discharges to the Ryder Street Wastewater Treatment Plant (WWTP) via a 30-inch force main along State Route 37 (SR-37). These facilities have adequate capacity to serve the proposed project, similar to the 2020 approved project. Based on the Fairview at Northgate Sewer Flow and Water Demand Analysis, prepared by Kier & Wright, dated June 23, 2025 (Appendix C), the proposed project would result in increased sanitary sewer flows associated with the additional residential development. However, existing sanitary sewer infrastructure has sufficient capacity to accommodate this wastewater generation.

Storm water from the entire site would be discharged to the existing 54-inch storm drain under Turner Parkway. Runoff from the commercial portion would flow to Parcel 3 and discharge at two locations. Runoff from the residential area would be directed to a new bioretention basin on Parcel 4, with overflow routed to the same storm drain. A proposed 24-inch catch basin and 18-inch storm drain would manage the 100-year, 24-hour storm event, maintaining safe ponding levels. All stormwater infrastructure would remain on site, comply with City standards, and be designed in accordance with the Municipal Regional Stormwater NPDES Permit for Low Impact Development (LID). As required by Mitigation Measure HYD-3, a project-specific Drainage Plan would confirm the adequacy of on-site facilities.

Electricity and natural gas are provided to the project site by PG&E. The proposed project would include connections to the existing electricity and natural gas infrastructure within Turner Parkway, and no other electric power or natural gas infrastructure would be required.

Therefore, because the proposed project would connect to existing utility services within or adjacent to the project site, the proposed 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, similar to the 2020 approved project.

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4.18.2.2 Water Supply
As discussed above, the Certified EIR determined that because the 2020 approved project is consistent with the City’s General Plan and that the General Plan EIR concluded that buildout of the General Plan would not result in a significant impact on water supply, the City would have sufficient water supplies available to serve the 2020 approved project.

The proposed project would increase the residential component of the 2020 approved project on the same 23.8-acre portion of the project site from 178 two-story single-family residences to 245 units and would remove one of the four commercial buildings, reducing the retail square footage by approximately 9,195 square feet. As the proposed project would develop the project site with the same uses as the 2020 approved project and would be consistent with the General Plan, the City would have sufficient water supplies available to serve the proposed project, similar to the 2020 approved project. Based on the Fairview at Northgate Sewer Flow and Water Demand Analysis, prepared by Kier & Wright, dated June 23, 2025 (Appendix C), the proposed project would result in less than 12 acre-feet per year of additional water demand as compared to the 2020 approved project and would remain substantially below the amount of water demand for a 500- dwelling unit project (the level of water demand that would require a water supply assessment).

4.18.2.3 Wastewater Treatment Capacity
The proposed project would increase the residential component of the 2020 approved project but would reduce the overall retail square footage of the 2020 approved project. Based on the Fairview at Northgate Sewer Flow and Water Demand Analysis, prepared by Kier & Wright, dated June 23, 2025 (Appendix C), the proposed project would result in increased sanitary sewer flows. However, it is anticipated this wastewater generation can be accommodated by existing sanitary sewer infrastructure. Therefore, the wastewater treatment provider would have adequate capacity to serve the project’s projected demand in addition to the providers’ existing commitments, similar to the 2020 approved project.

As described above, sewer flows from the proposed project would be discharged into the existing lines within Turner Parkway. Sanitary sewer flow from the project site would flow to the Sears Point Pump Station (SPPS) and the Sears Point Storage Facility (SPSF), which are key elements of the sewer system. SPPS receives wastewater flow and pumps it into the 30-inch diameter force main running parallel to SR-37 and ultimately into the Ryder Street WWTP. An average of 10 million gallons per day of wastewater flows through the Ryder Street WWTP on its way to San Francisco Bay.

The wastewater treatment provider would have adequate capacity to serve the proposed project’s projected demand in addition to the providers’ existing commitments.

4.18.2.4 Solid Waste
Solid waste, recycling, and yard waste services in the City of Vallejo, including the project site, are provided by Recology Vallejo. Collected waste is transported to the Devlin Road Transfer Station and then to appropriate facilities: recyclables and green waste are processed separately, and nonrecyclable waste is sent to the Keller Canyon Landfill in Pittsburg, which had a remaining capacity of

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The proposed project would increase residential units but reduce retail square footage compared to the 2020 approved project, resulting in a comparable amount of solid waste generation. As such, the project would be adequately served by existing landfill capacity. Additionally, the project would comply with all applicable federal, State, and local solid waste regulations, consistent with the 2020 approved project.

4.18.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to utilities and service systems that were not previously examined in the Certified EIR and would not require any new mitigation measures. Impacts related to utilities and service systems would remain less than significant as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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4.19 WILDFIRE
New
Potentially
Significant
Impact
New Mitigation
Required
Reduced
Impact
No New
Impact
If located in or near state responsibility areas or lands classified as very high fire hazard severity zones, would the project:
a. Substantially impair an adopted emergency response plan or emergency evacuation plan?
b. 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?
c. 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?
d. 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?

4.19.1 Certified EIR Analysis
Chapter 5.0 of the Certified EIR concludes that the 2020 approved project would have no impact related to wildfire. The project site is not located within a fire hazard severity zone, and implementation would not exacerbate wildfire risks due to slope, prevailing winds, or other factors.

The project would not require infrastructure such as roads, fuel breaks, or utilities that could increase fire risk or cause hazards like post-fire flooding or landslides. Additionally, the project would not impair any adopted emergency response or evacuation plans.

4.19.2 Project Impacts
As noted above, the Certified EIR determined that the project site is not within a fire hazard severity zone. CAL FIRE’s updated February 2025 maps confirm the site remains outside such a zone 22.

Because the proposed project is located on the same site as the 2020 approved project, it would be subject to the same wildfire conditions. As with the 2020 approved project, the proposed project would not exacerbate wildfire risks due to slope, prevailing winds, or other factors, nor would it require infrastructure that could increase fire hazards or trigger post-fire flooding or landslides. As discussed in Section 4.9, Hazards and Hazardous Materials, of this Addendum, the project would also not impair any adopted emergency response or evacuation plans. Therefore, wildfire-related impacts would remain less than significant.
22 California Department of Forestry and Fire Protection (CAL FIRE). 2025. Fire Hazard Severity Zones.

February 25. Website: https://osfm.fire.ca.gov/what-we-do/community-wildfire-preparedness-andmitigation/fire-hazard-severity-zones (accessed April 2025).

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4.19.3 Conclusion
Given the above analysis, development of the proposed project would not cause any new or substantially more severe significant environmental effects related to wildfire that were not previously examined in the Certified EIR and would not require any new mitigation measures. No impact related to wildfire would remain as identified in the Certified EIR. Therefore, no further environmental analysis related to this topic is required pursuant to Section 15162 of the State CEQA Guidelines.

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5.0 MITIGATION MEASURES
Table 5.A on the following page provides a summary of the applicable mitigation measures to the proposed project, as prescribed in the Certified EIR.

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Aesthetics
Impact AES-5: Light and Glare Impacts. The
project introduces new parking lot and building
lighting to an undeveloped site, which could
(without mitigation) adversely affect the visual
quality of the area or wildlife including nesting
birds.

MM AES-1: Lighting Plan. Prior to issuance of a building permit, the project applicant shall submit, to the satisfaction of the Planning & Development Services Director, a lighting plan for the project site demonstrating that outdoor lighting fixtures will not cause substantial glare and light spillover to surrounding properties including the open space area. At the Director’s discretion the lighting plan can be broken up into commercial and residential components. The plan shall include photometric contours, manufacturer’s specifications on the fixtures, and mounting heights.

Less than Significant
Air Quality
Impact AQ-1: Air Quality Plan. Emissions from
project operations (primarily traffic) would exceed
the Bay Area Air District’s (Air District) thresholds
for Nitrogen Oxides (NOX), which have been
established to identify projects with potential to
generate substantial air pollutants. This constitutes
a conflict with Air District’s Clean Air Plan.

No other feasible mitigation measures have been identified. Compliance with the Commute Trip Reduction (CTR)/Transportation Demand Management (TDM) plan required per MM GHG-3, additional trip-reduction measures outlined in MM GHG-4 through MM GHG-6 and MM GHG-8, and construction of a new SolTrans bus pull-out as part of MM TR-4, would reduce the project’s mobile NOX emissions, but emissions levels would still exceed Air District thresholds. No other feasible measures to reduce transportation related trips have been identified.

Significant and Unavoidable
Impact AQ-2: Criteria Pollutants. Emissions from
project construction would exceed Air District’s
average daily thresholds without mitigation.

Emissions generated by project traffic would meet
all of Air District’s regional thresholds except for
Nitrogen Oxides (NOX).

The following measures have been identified to reduce construction emissions. No other feasible mitigation measures to reduce transportation related NOX emissions other than MM GHG-3, MM GHG-4 through MM GHG-6, MM GHG-8, MM TR-4 were identified for the project’s exceedance of the NOX threshold.

MM AQ-1: Bay Area Air Quality Management District (Air District) Basic Construction Measures. Prior to any grading activities, the applicant shall prepare and implement a Construction Management Plan that includes the Air District Basic Construction Mitigation Measures to minimize constructionrelated emissions. This plan shall first be reviewed and approved by the Director of Public Works/City Engineer. The Air District Basic Construction Mitigation Measures are:

1. All exposed surfaces (e.g., parking areas, staging areas, soil piles, graded areas, and unpaved access roads) shall be watered two times per day.

Construction and
Operations (except NOx):

Less than Significant
Operations (NOx only):

Significant and Unavoidable

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2. All haul trucks transporting soil, sand, or other loose material off-site shall be covered.

3. All visible mud or dirt track-out onto adjacent public roads shall be removed using wet power vacuum street sweepers on an as-needed basis.

The use of dry power sweeping is prohibited.

4. All vehicle speeds on unpaved roads shall be limited to 15 mph.

5. All roadways, driveways, and sidewalks to be paved shall be completed as soon as possible. Building pads shall be laid as soon as possible after grading unless seeding or soil binders are used.

6. Idling times shall be minimized either by shutting equipment off when not in use or reducing the maximum idling time to 5 minutes (as required by the California airborne toxics control measure Title 13, Section 2485 of California Code of Regulations [CCR]). Clear signage shall be provided for construction workers at all access points.

7. All construction equipment shall be maintained and properly tuned in accordance with manufacturer’s specifications. All equipment shall be checked by a certified mechanic and determined to be running in proper condition prior to operation.

8. Post a publicly visible sign with the telephone number and person to contact at the Lead Agency regarding dust complaints. This person shall respond and take corrective action within 48 hours. The Air District’s phone number shall also be visible to ensure compliance with applicable regulations.

MM AQ-2: Bay Area Air Quality Management District (Air District) Additional Construction Mitigation Measures. Prior to the issuance of any grading permits, the applicant shall prepare and implement a Construction Management Plan that includes the Air District Additional Construction Mitigation Measures to minimize construction-related emissions. This plan shall first be reviewed and approved by the Planning & Development Services Director. The applicable Air District Additional Construction Mitigation Measures are:

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⚫ The simultaneous occurrence of excavation, grading, and grounddisturbing construction activities on the same area at any one time shall be limited. Activities shall be phased to reduce the amount of disturbed surfaces at any one time.
⚫ Idling time of diesel-powered construction equipment shall be limited to two minutes.
⚫ The project shall develop a plan demonstrating that the off-road equipment (more than 50 horsepower) to be used in the construction (i.e., owned, leased, and subcontractor vehicles) will meet United States Environmental Protection Agency Tier 4 final off-road emissions standards or would achieve a project-wide fleet-average 20 percent NOX reduction and 45 percent PM reduction compared to the most recent CARB fleet average. Acceptable options for reducing emissions include the use of late model engines, low-emission diesel products, alternative fuels, engine retrofit technology, after-treatment products, add-on devices such as particulate filters, and/or other options as such become available. ⚫ Use low VOC (i.e., ROG) coatings beyond the local requirements (i.e., Air District Regulation 8, Rule 3: Architectural Coatings). ⚫ Requiring that all construction equipment, diesel trucks, and generators be equipped with Best Available Control Technology for emission reductions of NOX and PM.
⚫ Require the lifting and placing of HVAC units on the roof of the proposed Costco building via helicopter to only occur when no other excavation, grading, and ground-disturbing construction activities are being conducted on the project site.

Biological Resources
Impact BIO-1: Special Status Species or Nesting
Birds. Without mitigation, project construction
activities during bird nesting season could have
adverse impacts on sensitive bird species.

MM BIO-1: Nesting Birds. Project activities should be initiated outside of the nesting season to the extent feasible (September 1 - January 31). However, if vegetation removal, grading, or initial ground-disturbing activities must be conducted during the nesting season, a pre-construction nesting bird survey shall be conducted by a qualified biologist prior to vegetation removal or initial ground disturbance. Nesting habitat may include grasslands, shrubs, trees, snags and open ground. The survey should be conducted in a sufficient Less than Significant with
Mitigation Incorporated

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area around the worksite to identify the location and status of any nests that could potentially be affected by Project activities.

If active nests are found within the project limits of impact or close enough to these areas to affect breeding success, a work exclusion zone shall be established around each nest by a qualified biologist and confirmed by the City. Established exclusion zones shall remain in place until all young in the nest have fledged or the nest otherwise becomes inactive (e.g., due to predation). Appropriate exclusion zone sizes vary dependent upon bird species, nest location, existing visual buffers and ambient sound levels, and other factors; an exclusion zone radius shall be a minimum of 25 feet (for common, disturbance-adapted species) or as large as 250 feet or more for raptors. Exclusion zone size may also be reduced from established levels if supported with nest monitoring by a qualified biologist indicating that work activities outside the reduced radius are not adversely impacting the nest.

Impact BIO-2: Sensitive Biological Communities.

The project site contains three sensitive biological
communities: perennial stream, anthropogenic
depressions, and seasonal wetland swales. The
project has been designed to avoid approximately

2.50 acres of seasonal wetlands in the central
region of the project site; however, project
activities would impact 2.52 acres of seasonal
wetland swale and 0.08 acre of anthropogenic
depression.

MM BIO-2: Wetland Permits. Prior to the approval of grading permits or improvement plans, the applicant shall provide, to the satisfaction of the Planning and Development Services Director, evidence that the U. S. Army Corps of Engineers (USACE), California Department of Fish and Wildlife (CDFW), and the San Francisco Regional Water Quality Control Board (RWQCB) have been notified in writing regarding the existence of wetlands on the property. Any permits required shall be obtained and copies submitted to the Director prior to any equipment staging, clearing, grading, or excavation work. The permit shall include authorization for temporary construction work within the wetland area.

MM BIO-3: Wetland Compensation. Prior to the approval of grading permits or improvement plans, the applicant shall submit to the satisfaction of the Planning and Development Services Director evidence that the following measures have been completed:

Provide written evidence that compensatory mitigation has been established through the purchase of mitigation credits at a qualified wetland mitigation bank established by and in agreement with the U. S. Army Corps of Engineers (USACE) and the San Francisco Regional Water Quality Control Board (RWQCB). The purchase of credits shall be a minimum of a 1:1 ratio or equal to the amount necessary as determined by USACE and RWQCB to replace Less than Significant with
Mitigation Incorporated

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impacted jurisdictional wetlands including compensation for temporal loss in accordance with approved regulatory permits (e.g., Regional Water Quality Control Board Section 401 Water Quality Certification, US Army Corps of Engineers 404 Permit, and California Department of Fish and Game Section 1602 Lake and Streambed Alteration Agreement) (minimum 1:1 ratio; more if required by other agencies). The total amount of impacted jurisdictional wetlands, as determined by the regulatory agencies, shall be replaced in accordance with the total amount of impacted acreage.

MM BIO-4: Construction Fencing. Prior to approval of grading or improvement plans, the applicant shall submit to the satisfaction of the Planning & Development Services Director evidence that the following measures have been completed:

The grading or improvement plans shall identify the location of protective construction fencing. High visibility and silt fencing shall be erected at the edge of the construction/maintenance footprint if work is anticipated to occur within 50 feet of the preserved jurisdictional features and riparian areas. A qualified biological shall be present during the fence installation and during any initial grading or vegetation clearing activities within 50 feet of jurisdictional features and riparian areas which are proposed for avoidance.

Temporary construction activities related to the transfer of graded soil material and equipment to and from the commercial and residential areas shall be described and included in the permit issued for grading and encroachment in the wetland area. The crossing shall be limited to a single span in a single location and shall not be moved during any grading activities.

The span shall be fenced and marked and shall be removed at the earliest feasible time upon the completion of grading. The span shall be installed, operated, and removed to minimize disturbance to the wetland area to the maximum extent feasible.

MM BIO-5: Construction Staging. Prior to the approval of grading permits or improvement plans, the applicant shall submit to the satisfaction of the Planning & Development Services Director evidence that the following measures have been completed:

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All equipment shall be stored, fueled and maintained in a vehicle staging area 300 feet (or the maximum distance possible) from any wetland feature. The staging area shall be no closer than 200 feet unless a bermed area is constructed between it and the wetland.

Within the staging area the refueling areas shall be lined to prevent fuel contamination and hazardous-material absorbent pads shall be available in the event of a spill. The grading or improvement plans shall include a note clearly stating the requirements for the staging area distances, berming requirements, and use of liner in the refueling areas.

Impact BIO-3: Wetlands. The project site contains
two wetland categories, seasonal wetland stream
and anthropogenic depressions. Without
mitigation, project construction activities could
have adverse impacts on these features.

MM BIO-2 through MM BIO-5.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Impact BIO-4: Resident or Migratory Fish or
Wildlife Species. The project site has the potential
to support nesting for eight special-status bird
species. Without mitigation, project construction
activities could adversely affect such species.

MM BIO-1.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Cumulative Biological Resource Impacts. Because
of the disturbed nature of other cumulative
projects in the surrounding area and the proposed
project site, potential cumulative impacts on
biological resources are not considerable.

MM BIO-2 through MM BIO-5.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Cultural Resources
Impact CUL-2: Archaeological Resources. Site
disturbance could result in impacts by damaging or
destroying unknown buried historic and
archaeological resources should they exist below
the ground surface.

MM CUL-1: Cultural Awareness Training Program. Prior to the issuance of grading permits, a Cultural Awareness Training Program shall be provided to all construction managers and construction personnel prior to commencing ground disturbance work at the project site. The training shall be prepared and conducted by a qualified archaeologist to the satisfaction of the City of Vallejo Planning & Development Services Department. The training shall be a length of time adequate to explain applicable statutes, regulations, enforcement provisions; the prehistoric and historic environmental setting and context, local tribal groups; show sample artifacts; and what prehistoric and historic archaeological deposits look like at the surface and when exposed during construction. The training may be discontinued to new workers to the Less than Significant with
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site when ground disturbance is completed. Construction personnel shall not be permitted to operate equipment within the construction area unless they have attended the training. The entity responsible for the training shall extend an invitation to the Yocha Dehe Wintun Nation to be present during the training program. A list of the names of all personnel who attended the training and copies of the signed acknowledgment forms shall be submitted to the City Planning & Development Services Department for their review and approval.

MM CUL-2: Cultural Resources Construction Monitoring. During mass grading activities, a qualified archaeologist and Native American Monitor shall be continuously present onsite, and on-call during trenching activities, to observe disturbance areas. The applicant shall provide to the satisfaction of the Director of Planning & Development Services that a Native American Monitor from the Yocha Dehe Wintun Nation has been retained or that every reasonable effort has been made to retain a Native American Monitor. The qualified archaeologist or contractor shall halt work in the immediate vicinity if artifacts, exotic rock, shell or bone are uncovered during the construction. In the event such cultural resources are unearthed during ground disturbing activities, and the qualified archaeologist is not in that location, the project operator shall cease all ground-disturbing activities within 50 feet of the find and immediately contact the qualified archaeologist and the Native American Monitor. Work shall not resume until the potential resource can be evaluated by the qualified archaeologist and Native American Monitor. The qualified archaeologist shall be empowered to halt or redirect ground-disturbing activities away from the vicinity of the find until the qualified archaeologist has evaluated the find, determined whether the find is culturally sensitive, and designed an appropriate short-term and long-term treatment plan in consultation with the Native American Monitor. The significance of the find shall be determined by the archaeologist and monitor. If determined to be significant the archaeologist shall prepare a treatment plan in consultation with local experts, Native American Representatives, and the City Planning & Development Services Department.

MM CUL-3: Discovery of Unknown Resources. The project applicant shall continuously comply with the following requirement: In the event that unanticipated cultural or tribal cultural resources are encountered during the

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course of grading or construction, the project operator/contractor shall cease any ground-disturbing activities within 50 feet of the find. Cultural and/or tribal cultural resources may include prehistoric archaeological materials such as flaked and ground stone tools and debris, shell, bone, ceramics, and fireaffected rock, as well as historic materials such as glass, metal, wood, brick, or structural remnants. A qualified archaeologist shall evaluate the resource and recommend appropriate treatment measures, as appropriate.

MM CUL-4: Discovery of Human Remains. The project applicant shall continuously comply with the following: If human remains are uncovered during ground-disturbing activities, the project proponent shall immediately halt work and contact the Solano County Coroner to evaluate the remains, and follow the procedures and protocols set forth in Section 15064.5 (e)(1) of the CEQA Guidelines. The City of Vallejo Police Department and City of Vallejo Planning & Development Services Department shall be contacted immediately after contact or attempted contact with the County Coroner. All excavation activities on the project site shall cease. If the County Coroner determines that the remains are Native American, the Native American Heritage Commission shall be notified, in accordance with Health and Safety Code Section 7050.5, subdivision (c), and Public Resources Code 5097.98 (as amended by AB 2641). No further excavation activity shall occur on the site or any nearby area reasonably suspected to overlie adjacent human remains until consultation is complete with the most likely descendant, the Coroner and the City Planning & Department Services Department staff. Authorization to resume construction shall only be given by the City after consultation with the most likely descendent and shall include implementation of all appropriate measures to protect any possible burial sites or human remains.

Impact CUL 4: Tribal Cultural Resources. Project
construction could result in disturbance or
destruction of unknown buried tribal cultural
resources that were not located during previous
study and site evaluation.

MM CUL-1 through MM CUL-4.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Impact CUL 5: Cumulative Cultural Resource
Impacts. Although in the process of development
some known or unknown resources may be lost, it
MM CUL-1 through MM CUL-4.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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is not anticipated that these impacts would be
cumulatively considerable. In addition,
implementation of Mitigation Measures CUL-1
through CUL-4 would reduce project-specific
impacts to a less than significant level.

Geology and Soils
Impact GEO-1: Seismic Hazards. According to the
geotechnical report prepared for the project, an
earthquake of moderate to high magnitude
generated within the San Francisco Bay Region
could cause considerable ground shaking at the
project site, similar to that which has occurred in
the past
MM GEO-1: Geotechnical Investigation. Prior to construction, the project applicant shall prepare a design-level geotechnical investigation and a final geotechnical report with site-specific recommendations, which must be reviewed and approved by the City of Vallejo prior to issuance of any grading permit. All recommended remedial grading measures identified in the ENGEO reports dated April 17, 2017, shall be updated to reflect current building code requirements and be implemented unless alternative techniques developed by a certified geotechnical engineer or engineering geologist are identified as part of the final geotechnical report.

Less than Significant with
Mitigation Incorporated
Impact GEO-2: Soil Erosion. Once grading is
complete but prior to overlaying the ground surface
with structures, the potential exists for wind and
water erosion to occur which could affect project
site soils, causing a potentially significant impact.

MM GEO-1.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Impact GEO-3: Unstable Soils. Conformance to
current building code requirements does not
guarantee that significant structural damage would
not occur in the event of a maximum magnitude
earthquake.

MM GEO-1.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Impact GEO-4: Expansive Soils. Construction of the
project without site-specific soils investigation and
recommendations could result in potentially
significant impacts due to expansive soils.

MM GEO-1.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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Impact GEO-6: Paleontological Resources/ Unique
Geologic Features. While fossils are not expected
to be discovered during construction, it is possible
that significant fossils could be discovered during
excavation activities, even in areas with a low
likelihood of occurrence. Fossils encountered
during excavation could be inadvertently damaged.

If a unique paleontological resource is discovered,
the impact to the resource could be substantial.

MM GEO-2: Paleontological Monitor: Prior to the issuance of a grading permit, the project applicant shall, to the satisfaction of the Planning & Development Services Director, provide evidence that a qualified paleontologist has been retained to monitor mass grading and construction activities. The paleontological monitor may periodically inspect construction activities to adjust the level of monitoring in response to subsurface conditions. In the event that any potentially significant paleontological resources are discovered, the paleontological monitor shall stop work inside a zone designated by him/her where additional paleontological resources could be found. A plan for the evaluation of the resource shall be submitted to the Planning & Development Services Director for approval. In the event that a paleontological resource (fossilized invertebrate, vertebrate, plan or microfossil) is found during construction, excavation within 50 feet of the find shall be temporarily halted or diverted until the discovery is evaluated. Upon discovery, the Planning & Development Services Director shall be notified immediately, and a qualified paleontologist shall be retained to document and assess the discovery in accordance with Society of Vertebrate Paleontology’s 2010 Standard Procedures for the Assessment and Mitigation of Adverse Impacts to Paleontological Resources, and determine procedures to be followed before construction is allowed to resume at the location of the find.

If determined to be significant, the paleontologist will prepare an excavation plan for mitigating the Project’s impact on this resource, including preparation, identification, cataloging, and curation of any salvaged specimens.

Less than Significant with
Mitigation Incorporated
Cumulative Geology/Soils Impacts. Development
projects would be required to be constructed in
accordance with the latest edition of the California
Building Code and to adhere to all current
earthquake construction standards, including those
relating to soil characteristics. The proposed project
would not contribute to any cumulatively
considerable geologic and/or soils impacts.

Therefore, cumulative effects of increased seismic
risk would be less than significant.

MM GEO-1 and MM GEO-2.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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Greenhouse Gases
Impact GHG-1: Greenhouse Gas (GHG) Emissions.

The project would include direct and indirect GHG
emissions from project commercial and residential
construction and operations. Without mitigation,
these emissions would exceed applicable
thresholds of significance.

MM GHG-1: Electric Powered Landscape Equipment. Prior to issuance of building permits, the project applicant shall prepare and submit building plans to the City of Vallejo Chief Building Official that demonstrate that all new structures have outdoor electrical outlets that are accessible to maintenance workers and landscapers front and back exteriors of all residential and nonresidential structures to allow the use of electric-powered equipment.

MM GHG-2: Hearth Emissions. Prior to the issuance of building permits, the building official shall confirm that the applicable project plans and specifications do not include wood-burning and natural gas hearths.

MM GHG-3: Vehicle Trip Reduction. The project applicant shall submit a qualifying Commute Trip Reduction (CTR)/Transportation Demand Management (TDM) plan prepared by a qualified transportation consultant acceptable to the City to reduce vehicle trips by 17.8 percent. The TDM plan shall be approved by the City of Vallejo Public Works Director prior to the issuance of occupancy permits and incorporated into the project’s Covenants, Conditions, and Restrictions (CC&Rs). The TDM plan shall discourage singleoccupancy vehicle trips and encourage alternative modes of transportation such as carpooling, taking transit, walking, and biking. The TDM plan shall include a requirement for annual reporting to the City Planning Division showing good faith compliance with plan requirements. The TDM plan may be modified with the City’s agreement, provided that no additional trips are generated.

Examples of trip reduction measures for non-residential uses may include, but are not limited to:
⚫ Include a pedestrian access system integrated into the design of the project to encourage pedestrian travel as an alternative to automobile travel.
⚫ Post transit information (maps, schedules, fares, etc.) in a public area of Costco that is accessible to employees and patrons;
⚫ Provide a work commute trip reduction program for on-site employment that may include employer carpooling promotion, employer ride-matching Less than Significant with
Mitigation Incorporated

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assistance, preferential carpool parking on-site, employer vanpool assistance, and on-site bicycle end trip facilities including bicycle parking. ⚫ Provide employer-subsidized transit passes;
⚫ Sponsor an employee ride-sharing program;
⚫ Provide employee lockers for personal items;
⚫ Provide employees with an employee-only restroom with a shower (only applies to Costco warehouse);
⚫ Provide secure indoor bicycle parking (racks or lockers) for employees; ⚫ Provide customer bicycle parking (racks) in safe and convenient locations; ⚫ Allow flex scheduling or compressed scheduling practices; ⚫ Provide preferential parking spaces for clean air vehicles; ⚫ Provide additional parking spaces designated for electric vehicles and electric vehicle charging stations beyond what is already required (applies only to Costco warehouse)as; and
⚫ Provide a minimum of two charging stations for electric vehicles (applies only to Costco warehouse); and
⚫ If home delivery service is provided in the future, it shall be performed using low emission or alternative-fueled (electric, natural gas, hydrogen, etc.) vehicles.

Examples of trip reduction measures for residential uses may include, but are not limited to:
⚫ Provide a ride-matching assistance program that will include ride-matching through a website and/or social media site and/or advertisements in community common areas;
⚫ Provide a school trip matching program via the Homeowners Association (HOA) and the local schools to match local students together for potential carpools through the HOA, PTA, and school website and/or social media site and/or promotion at the local schools;

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⚫ Establish a Transit Management Association, such as through a HOA, to promote, manage, and monitor transit and mobility services and infrastructure, such as through distributing information to homeowners on transit options or through posters in inform the public; and ⚫ The Transit Management Association shall work with local automotive dealers to help promote CNG electric and hybrid electric vehicles, such as requesting that dealers offer incentive programs to residents of the project.

MM GHG-4: Traffic Calming. The project developers shall integrate the traffic calming measures as shown in the Project Application materials into the community-wide circulation network to promote reduced speeds and encourage pedestrian and bicycle trips. Prior to the issuance of building permits, the building official shall confirm with the Public Works Director that the applicable project improvement plans and specifications include the traffic calming measures shown in the Project Application materials such as marked crosswalks, count-down signal timers, curb extensions, speed tables, raised crosswalks, raised intersections, median islands, tight corner radii, roundabouts or mini-circles, on-street parking, planter strips with street trees, chicanes/chokers, and others where applicable.

MM GHG-5: Pedestrian Connectivity. The project developers shall provide as part of the project and consistent with City requirements and limitations, sidewalks and crosswalks at all streets (along with general pedestrian connectivity throughout the project) to encourage pedestrian travel and offer an alternative to vehicle trips.

MM GHG-6: Internal Trails. The project developers shall construct a multipurpose internal trail system that includes an off-road multi-use trail and bike lanes within the street right-of-way.

MM GHG-7: Alternatively Fueled Equipment. To the extent that such equipment is readily available and can adequately perform all tasks, Costco shall use electric-, propane-, or natural gas-powered mobile equipment (forklifts, non-street legal street sweepers, etc.) for operational activities within the project site. Existing gasoline or diesel-powered mobile equipment may continue to be used until its service life is exhausted.

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MM GHG-8: Idling Limitation. Prior to issuance of occupancy permits for the Costco store, the project applicant shall submit to the satisfaction of the Planning & Development Services Director, an idling restriction program for heavy-duty diesel vehicles. The program shall require that all trucks comply with state regulations limiting idling to no more than 5 minutes. The program shall be implemented through signage in all loading areas and training of store personnel about the idling restrictions.

MM GHG-9: Loading Dock Electrical Hookups. Prior to issuance of building permits for the proposed Costco store, the project applicant shall provide at least of one electrical hookup in each of the proposed loading docks that is capable of powering a truck mounted transport refrigeration unit (TRU) with an electrical hookup option.

MM GHG-10: On-Site Renewable Energy. Prior to issuance of building permits for the proposed Costco store, the project applicant shall submit to the satisfaction of the Chief Building Official, a roof layout plan that illustrates how future installation of a photovoltaic system could be accommodated, including plans that identify installation of conduit from the roof to the electrical room—or to electrical panels if no electrical room is provided—to accommodate future photovoltaic system or other collector/power generation installation. Within four years of project occupancy, Costco shall install rooftop photovoltaic panels or another renewable energy source that generates at least 500,000 kilowatt hours (kWh) per year.

MM GHG-11: Additional GHG Emissions Reduction Measures. The proposed project shall include, but not be limited to, the following list of Project Design Features, which shall be incorporated into the project to ensure compliance with Air District GHG thresholds. The project applicant may submit a report to the City, prepared by a qualified independent consultant, that substantiates why specific measures are considered infeasible at that point in time and identify alternate measures that would achieve equivalent reductions. The recommended measures for reducing operational GHG emissions are listed below. The recommended measures may be updated as new technologies or methods become available, to the satisfaction of the Planning & Development Services Director. The project applicant shall be required to implement the following:

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Energy Efficiency Measures
⚫ Include conduits and space for the future addition of energy storage to optimize renewable energy generation systems and avoid peak energy use.

Electrical panels should appropriately be sized to allow for future expanded use. This measure shall be verified prior to building permit issuance. ⚫ The City shall verify before issuance of all residential building permits that where appliances are offered by residential project developers, Energy Star-rated appliances (or other equivalent technology) for clothes washers, dishwashers, refrigerators, and fans shall be installed in the residences. ⚫ The City shall verify before issuance of all residential and nonresidential building permits that high-efficiency light bulbs and lighting fixtures are installed in residential and non-residential buildings. High-efficiency light bulbs include compact fluorescent lamps (CFLs), light-emitting diodes (LED), and other light bulbs that provide an energy efficiency of at least 75% compared to traditional incandescent bulbs.
⚫ The City shall verify before issuance of building permits that buildings comply with Title 24 Building Energy Efficiency Standards, which includes energy-efficient design practices such as high-performance glazing. Energy Star compliant systems, radiant heat roof barriers (including but not limited to high albedo white thermoplastic polyolefin roof membrane), high efficient HVAC with hot-gas reheat, insulation on all pipes, programmable thermostats, solar access, shading of HVAC systems from direct sunlight, use of formaldehyde-free insulation, use of recycledcontent gypsum board, sealed ducts, orientation of building and incorporation of landscaping to maximize passive solar (heating during cool seasons, and minimize heat gain during hot season), and designs that take advantage of prevailing winds.
⚫ The project developers shall site and design buildings to take advantage of daylight where feasible and consistent with building purpose. ⚫ The project developers shall use lighter-colored paving or open grid paving materials for surface parking areas or break up large expanses of paved

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area with shade trees or shade structures or use light-colored roofing materials.

Water Efficiency Measures
⚫ To the extent feasible, project developers shall landscape to preserve natural vegetation and maintain watershed integrity. This measure shall be verified prior to building permit issuance.

The project shall use native species and drought-tolerant species for a minimum of 50 percent of the ornamental plant palette in non-turf areas for all retail, common, and public areas, and residential front-yard landscaping to minimize water demand.

Solid Waste Measures
⚫ Reuse, recycle, and divert construction waste, and use locally sourced building materials with a high recycled material content to the greatest extent feasible (including, but not limited to, soil, vegetation, concrete, lumber, metal, and cardboard). This measure shall be verified prior to grading permit issuance.
⚫ Provide interior and exterior storage areas for recyclables and adequate recycling containers located in public areas. Recycling bins in the storage areas shall be included to promote recycling of paper, metal, glass, and other recyclable material. These bins shall be emptied and recycled accordingly as part of the proposed project’s regular solid waste disposal program. The project applicant or its successor in interest shall only contract for waste disposal services within a company that recycles waste in compliance with AB 341. This measure shall be implemented prior to issuance of an occupancy permit.

GHG Reduction Education and Information
⚫ The project applicant or its successors or the HOA shall maintain a Fairview website that includes, but is not limited to, information about greenhouse gas (GHG) reduction opportunities to help educate project residents, as

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well as schools, other agencies, and businesses with facilities on the project site.
⚫ The project applicant or its successors or the HOA shall include on the Fairview website information about rebates and low interest loans to residents that make energy-saving improvements to their homes. ⚫ The project applicant or its successors or the HOA shall include on the Fairview website information about the air quality and greenhouse gas benefits of electric landscape maintenance equipment.
⚫ The project applicant or its successors or the HOA shall include on the Fairview website educational information on energy and water conservation and efficiency for project residents, customers, tenants, and large energy users.
⚫ The project applicant or its successors or the HOA shall include in the Fairview website information about energy conservation and financial incentive programs.

MM GHG-12: GHG Emissions Offsets. The project applicant shall purchase and retire GHG offsets to reduce the project’s GHG emissions for the first 30 years below the Air District’s thresholds of significance (i.e., below 1,100 MTCO2e per year, or 4.6 MTCO2e per service population per year [as adjusted for post-2020 GHG reduction targets], or the latest applicable threshold at the time). GHG offsets shall be purchased either with a lump sum payment prior to occupancy for the entire 30-year period, or on an annual basis for a period of thirty years from project occupancy. If annual payments are made, evidence of the purchase of GHG offsets for the first year of occupancy shall be submitted to the satisfaction of the Planning & Development Services Director prior to the issuance of occupancy permits. Evidence of the GHG offsets years 2-30 shall be submitted annually on or before the anniversary of the occupancy permit (or as adjusted by the Planning & Development Services Director). GHG offsets shall be consistent with the performance standards and requirements set forth below.
⚫ The GHG offsets shall be secured from an accredited registry that is recognized by the California Air Resources Board (CARB) or a California air

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district, or from an emissions reduction credits program that is administered by CARB or a California air district.
⚫ The GHG offsets shall represent the past reduction or sequestration that is “not otherwise required,” in accordance with California Environmental Quality Act (CEQA) Guidelines Section 15126.4(c)(3).
⚫ The GHG offsets shall be real, permanent, quantifiable, verifiable, and enforceable.
⚫ Recognizing that future regulatory mandates, technological advances, new renewable energy programs, or final project design features would likely result in GHG emissions that are lower than the levels presented in this EIR, the project applicant may prepare a final project GHG emissions inventory prior to issuance of the certificate of occupancy. The inventory shall be subject to verification by a City-approved third party (at applicant expense), with the final emissions estimates dictating the increment to be mitigated through purchase of GHG offsets. The offsets must also be secured by the applicant and verified by the City prior to issuance of the certificate of occupancy, thus providing full mitigation prior to completion of the project.

Cumulative Greenhouse Gas Impacts. The
proposed project would be consistent with the
goals and policies in the CARB Scoping Plan, Plan
Bay Area, and the Vallejo Climate Action Plan. As
such, the cumulative impacts to GHG emissions
would be mitigated on a project-by-project level,
and in accordance with the established regulatory
framework, through the established regulatory
review process. Therefore, the project’s impacts do
not represent a cumulatively considerable
contribution toward global GHG emissions.

MM GHG-1 and MM GHG-12.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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Hazards and Hazardous Material
Impact HAZ-2: Release of Hazardous Materials. A
release of diesel or gasoline into the environment
would be considered a significant impact and
mitigation is required to develop specific design
requirements for the gas station equipment and
safety features, including storm water protection.

MM-HAZ-1: Gas Station Design Requirements. Prior to the issuance of building permits for the Costco gas station, the project applicant shall to the satisfaction of the Planning & Development Services Director or designee, demonstrate that the following measures have been incorporated into the applicable plans and project designs to the satisfaction of the Planning & Development Services Director or their designee. All design features requiring verification of installation shall be verified and approved by the appropriate City representative prior to initiation of fueling station operations.

1. The tank and piping monitoring system shall be designed to meet the federal underground storage tank leak detection standards of 95 percent probability of detection and 5 percent probability of false alarm. California State Water Resources Control Board also certifies the system under LG113.

2. The project shall be designed to utilize durable petroleum resistant sealant joint sealers to seal the concrete control joints to prevent petroleum products from entering the underlying soil at the concrete joints.

3. The storm drainage system for the fueling facility area shall be designed in accordance with State of California Best Management Practices for water quality treatment standards. Stormwater from the fueling area will be isolated and will be directed away from the perennial stream (located in the southeastern corner of the project site) to a catch basin and processed through an oil/water separator prior to discharge to the storm drain system or bioretention basin.

4. The underground tank and piping control units shall be housed inside the controller enclosure. The enclosure shall contain the power console, the dispenser interface unit, the submersible pump variable speed controllers, and the monitoring system console. An air conditioner mounted on the side of the enclosure shall have a preset thermostat to maintain a safe operating temperature.

5. The underground storage tanks and all containment sumps, including the dispenser sumps shall be double-walled fiberglass for its corrosion Less than Significant with
Mitigation Incorporated

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resistance and plasticity. The double-walled storage tank system shall include a hydrostatic interstitial space sensor that monitors the primary and secondary tank walls. An interstitial sensor shall be installed to immediately shut down the product delivery system and activate a visual/audible alarm if a tank wall is compromised.

6. The underground storage tanks shall be secured in place with anchoring straps (tie-downs) connected to concrete hold down deadmen. The entire tank excavation hole shall be backfilled with pea gravel and capped with an 8-inch-thick reinforced concrete slab (overburden). The tie-downs, together with the overburden, shall be designed to overcome any possible buoyancy factors and resist buckling under hydrostatic pressures.

7. All products, vapor and vent piping shall be non-corrosive and provide three levels of protection. All product piping shall be monitored with pressure line leak detection. All piping shall be double-walled to provide secondary containment. All fiberglass piping shall be additionally monitored under vacuum per California 2481 regulations such that if a breach is detected in the vacuum, the product delivery system will shut down and system will sound audible alarm.

8. All piping connections to the tanks and dispensers shall be flexible to prevent rupture from any form of ground movement.

9. The project shall be designed such that all piping slopes to the sumps at the underground storage tanks. If a piping leak occurs, the gasoline shall flow through the secondary pipe to the sump, where a sensor is triggered to immediately shutdown the system and activate an audible/visual alarm.

10. All tanks and dispensers shall be equipped with latest Phase I and Phase II Enhanced Vapor Recovery (EVR) vapor recovery air pollution control equipment technology per the California Air Resources Board regulations and associated Executive Orders.

11. Emergency shutoff switches shall be installed next to the controller enclosure and in locations near the dispensers, as dictated by the fire code.

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12. The UST monitoring system incorporates automatic shutoffs. If gasoline is detected in the sump at the fuel dispenser, the dispenser shuts down automatically and an alarm is sounded. If a problem is detected with a tank, the tank is automatically shut down and an alarm is sounded.

13. Each fuel dispenser includes several safety devices. Specifically, each dispenser sump is equipped with an automatic shutoff valve to protect against vehicle impact.

14. Closed-circuit television monitor cameras shall be aimed to show all fueling positions, the tank slab, and equipment enclosures. Equipment enclosures shall be mounted on canopy columns adjacent to the fuel islands. A split-screen monitor shall be located in the Costco warehouse to allow for full-time monitoring of the fueling operation. All images shall be recorded by the camera system.

15. A monitoring system to detect leaks from the tank and piping system that is programmed to activate visual/audible alarms in the event of an alarm condition shall be installed. One visual/audible alarm shall be located on the outside of the controller enclosure and a second visual/audible alarm shall be located in the Costco warehouse entry/exit area. The monitoring system shall be designed so that if power is lost to the monitoring console the facility is shut down and will not operate.

16. An independent security company shall monitor the Costco Wholesale warehouse alarm system. The alarm system shall acknowledge an alarm condition at the fueling facility and notify Costco management staff of an alarm condition should it occur after operating hours.

Hydrology and Water Quality
Impact HYD-1: Water Quality Standards. Without
mitigation measures to ensure that the new storm
water drainage improvements satisfy the San
Francisco Regional Water Quality Control Board’s
(SFRWQCB) requirements and all other applicable
requirements and standards, construction and
operational impacts associated with water quality
standards and wastewater discharge requirements
could be significant.

MM HYD-1: Construction Water Quality Plan. Prior to issuance of any grading permit, the applicant shall submit to the satisfaction of the Public Works Director, a Storm Water Pollution Prevention Plan (SWPPP) that satisfies the requirements of the National Pollutant Discharge Elimination System (NPDES) and State General Permit for construction. The SWPPP shall incorporate Best Management Practices (BMPs) to control runoff and sedimentation. The SWPPP shall identify specific types and sources of storm water pollutants, determine the location and nature of potential impacts, and specify appropriate control measures to eliminate any potentially significant impacts Less than Significant with
Mitigation Incorporated

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on receiving water quality from storm water runoff. The SWPPP shall comply with the most current standards established by the San Francisco RWQCB. The BMPs shall be selected from a menu according to site requirements and shall be subject to approval by the Public Works Director and San Francisco RWQCB. Additionally, the project applicant shall provide to the satisfaction of the Public Works Director, evidence of a Waste Discharged Identification (WDID) number generated from the State Regional Water Quality Control Board’s Stormwater Multiple Application & Reports Tracking System (SMARTS). This serves as the Regional Water Quality Control Board approval or permit under the National Pollutant Discharge Elimination System (NPDES) construction stormwater quality permit.

MM HYD-2: Stormwater Quality Control Plan. Prior to issuance of a grading permit or approval of improvement plans, the project applicant shall submit to the satisfaction of the Public Works Director, a final Storm Water Quality Plan (SWQP), either within the Final Drainage Plan or as a separate document that identifies how this project will meet the City’s MS4 permit obligations.

Site design measures, source control measures, and Low Impact Development (LID) standards, as necessary, shall be incorporated into the design and shown on the grading or improvement plans. In addition, per the MS4 permit, projects creating and/or replacing one acre or more of impervious surface (excepting projects that do not increase impervious surface area over the preproject condition) are also required to demonstrate hydromodification management of stormwater such that post-project runoff is maintained to equal or below pre-project flow rates for the 2 year, 24-hour storm event, generally by way of infiltration, rooftop and impervious area disconnection, bioretention, and other LID measures that result in post-project flows that mimic pre-project conditions. For the commercial area, specific source control measures for trash storage areas and the gas station shall be identified in the SWCP.

MM HYD-3: Final Drainage Plan: Prior to the approval of grading permits or improvement plans, the applicant shall submit to the satisfaction of the Public Works Director a Final Drainage Plan to demonstrate the ability of the planned on-site storm water drainage facilities to adequately collect on-site storm water flows in accordance with all applicable standards and requirements. The final drainage plan shall demonstrate that the new storm

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water drainage facilities can satisfy the Regional Water Quality Control Board’s Municipal Regional Permit (MRP) requirements by: Minimizing impervious surfaces, as feasible, and directing flows to Integrated Management Practices (IMPs); Integrating appropriately sized IMPs to ensure post-development flows do not exceed pre-development flows; and Incorporating bio-retention in combination with site planning, minimizing impervious areas, and dispersion of runoff to meet Low Impact Development (LID) requirements.

Impact HYD-3: Erosion. The proposed drainage of
the site would maintain the existing northerly and
southerly flows along Admiral Callaghan and would
be constructed with newly installed bioretention
areas adjacent to the roadway. The proposed
drainage system addresses the existing deficient
drainage conditions along Admiral Callaghan.

However, without mitigation measures to further
ensure that graded areas do not interfere with
existing drainage areas, and new drainage
improvements satisfy SFRWQCB requirements and
all other applicable standards and requirements,
impacts associated with drainage alterations and
erosion could be significant.

MM HYD-1 and MM HYD-3.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Impact HYD-4: Flooding. The project’s proposed
storm water system would contain and collect
storm water flows in the project site, before runoff
is allowed to drain off-site. However, without
mitigation measures to ensure that the new storm
water improvements satisfy SFRWQCB’s
requirements and post-development flows do not
exceed pre-development flows, impacts could be
significant.

MM HYD-3.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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Impact HYD-5: Exceeding the Capacity of Drainage
Facilities. Without mitigation measures to ensure
that the new storm water drainage improvements
satisfy SFRWQCB requirements and all other
applicable standards and requirements, impacts
associated with the altering of drainage patterns
and flooding could be significant.

MM HYD-3.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Cumulative Impacts. Future developments in the
watershed would be required to comply with the
State Water Resources Control Board and San
Francisco Bay Regional Water Quality Control
Board. Depending on the size of future projects,
they would be required to obtain and comply with
all required water quality permits and the Water
Quality Control Plan, to minimize runoff, erosion,
and storm water pollution, comply with the San
Francisco Regional Water Quality Control Board’s
Municipal Regional Permit requirements. With
compliance with State and local mandates,
cumulative impacts would be less than significant,
and project impacts would not be cumulatively
considerable.

MM HYD-1 and MM HYD-3.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated
Noise
Impact NOI-1: Noise. Construction activities would
generally be limited to weekday daytime hours
when most people would typically be out of their
houses, and grading activities would conform to the
time-of-day restrictions of Vallejo Municipal Code
Section 12.040.070. However, mitigation is required
to ensure that grading noise levels do not exceed
the City’s standards and time-of-day restrictions are
adhered to. In addition, as a standard condition of
approval for all discretionary permits, the City
applies the time-of-day restrictions for grading
activities to all other construction activities.

Implementation of the proposed project would
MM NOI-1: Construction Noise. Prior to the start of grading, the Construction Manager shall provide evidence acceptable to the City of Vallejo Public Planning & Development Services Director (“Director”), that:
⚫ Construction activities shall be restricted to day time hours of between 7:00 a.m. and 6:00 p.m. Mondays through Saturdays. No construction activity shall occur on Sundays or federal holidays. The Director shall have authority to grant exceptions from this restriction for the concrete pour of the Costco store and for activities occurring within a fully sealed building envelope.
⚫ Helicopter usage shall be limited to no more than two weekdays between 9 a.m. and 5 p.m. At times when the helicopter is not actively in the process of connecting straps to and lifting and placing HVAC units on the roof of the Less than Significant with
Mitigation Incorporated

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create new sources of noise in the project vicinity
from residential sources, mechanical equipment,
truck loading areas, parking lot noise, and
landscape maintenance. Potential impacts from
these noise sources were determined to be less
than significant.

Costco building, the helicopter shall ascend, as appropriate, to lessen the level of noise. At least 14 days prior to helicopter usage, the construction contractor shall provide written notice of such usage to residents, businesses and owners of property within 500 feet of the project site. The Director shall review and approve such notice prior to distribution. ⚫ Prior to the start of construction activities, the construction contractor shall:
o Maintain and tune all proposed equipment in accordance with the manufacturer’s recommendations to minimize noise emission. o Inspect all proposed equipment and should fit all equipment with properly operating mufflers, air intake silencers, and engine shrouds that are no less effective than as originally equipped by the manufacturer.
o Post a sign, clearly visible at the site, with a contact name and telephone number of the City of Vallejo’s authorized representative to respond in the event of a noise complaint.
o Place stationary construction equipment and material delivery in loading and unloading areas as far as practicable from the residences. o Limit unnecessary engine idling to the extent feasible. o Use smart back-up alarms, which automatically adjust the alarm level based on the background noise level or switch off back-up alarms and replace with human spotters.
o Use low-noise emission equipment.
o Limit use of public address systems.
o Minimize grade surface irregularities on construction sites.

Cumulative Noise Impacts. Construction activities
at other planned and approved projects would be
required to take place during daytime hours, and
the City and project applicants would be required
to evaluate construction noise impacts and
MM NOI-1.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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implement mitigation, if necessary, to minimize
noise impacts. Each project would be required to
comply with the applicable City’s Municipal Code
limitations on allowable hours of construction.

Therefore, project construction would not
contribute to cumulative impacts and impacts in
this regard are not cumulatively considerable. The
proposed project would not result in long-term
mobile noise impacts based on project-generated
traffic as well as cumulative and incremental noise
levels. Therefore, the proposed project, in
combination with cumulative background traffic
noise levels, would result in a less than significant
cumulative impact. The proposed project’s
contribution to noise levels would not be
cumulatively considerable.

Transportation
Impact TR-1: Program Plan, Ordinance or Policy
Addressing the Circulation System. The project
would cause the following intersections to operate
at a deficient level of service during at least one
peak hour:
⚫ #7 (Adm Callaghan Lan at Rotary Way,
⚫ #9 Redwood St/Fairgrounds Dr at I-80 Ramps,
#10 Redwood Pkwy/Adm Callaghan Ln (N) at I80
EB Off-Ramp,
⚫ #11 Redwood Pkwy at Adm Callaghan LN (S), #21
Adm Callaghan Ln at Southern Project Driveway,
⚫ #22 Adm Callaghan Ln at Middle Project
Driveway and,
⚫ #23 Adm Callaghan Ln at Northern Project
Driveway
In addition, project impacts to transit operations
could be significant without mitigation.

Implementation of mitigation measures TR-1 and
TR-2, which include the construction of a right turn
MM TR-1: Roadway Improvements. Prior to the issuance of occupancy permits, the applicant shall construct, to the satisfaction of the Public Works Director, the following roadway improvement:

Admiral Callaghan Lane at Turner Parkway – Add a northbound right-turn pocket lane and modify the geometry of the westbound approach to provide a right-turn lane, one left-turn lane and one left-turn pocket.

MM TR-2: Initial Signal Timing Study. Prior to the issuance of Occupancy Permits, the City shall initiate a signal timing study for the proposed traffic signal and the existing traffic signals. The timing study shall include the same traffic signals included in the Transportation Impact Analysis prepared for the project. This study is to assist the City in optimizing traffic flow in the project vicinity and provide a baseline for a post-occupancy signal coordination study.

MM TR-3: Post Costco Occupancy Signal Coordination Study. Within 3 months of occupancy of the Costco store (or as adjusted by the Public Works Director), the applicant shall fund and prepare, to the satisfaction of the Public Works Director, a signal timing and coordination study to confirm the Significant and Unavoidable

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pocket on northbound Admiral Callaghan
Lane/Turner Parkway and signal timing
coordination along Turner Parkway would improve
traffic flow and reduce delays in the impact area.

However, impacts at these intersections would
remain significant and unavoidable because no
other feasible mitigation measures have been
identified which would further mitigate the
impacts. The project area is located in a developed
urban area and insufficient right-of-way exists to
add capacity to the City of Vallejo intersections
which are significantly impacted. Potential impacts
on transit access and circulation are reduced to less
than significant with the implementation of
mitigation measure TR-4 which requires the
construction of a new bus pull-out on eastbound
turner parkway in coordination with SolTrans.

EIR’s traffic analysis and further optimize traffic flow in the project vicinity.

The study shall include the same intersections noted in the Transportation Impact Analysis, so that refined signal timings and coordination based on actual traffic volumes and observed conditions can be implemented if necessary. Upon the Public Works Director’s approval of the study, the City shall update signal timing based on the results of this study, if necessary.

MM TR-4: New Bus Pull-Out. Prior to issuance of occupancy permits, the applicant shall, to the satisfaction of the Planning & Development Services Director, coordinate with SolTrans and construct a new bus pull-out on eastbound Turner Parkway East of Admiral Callaghan Lane. The Project applicant will construct a bus pull-out and concrete pad per Soltrans’ and the City’s specifications. Soltrans will provide, and the applicant will install, signage, a shelter, lighting, and trash receptacle.

Cumulative Transportation Impacts. Under the
Project Plus Cumulative scenario, the proposed
project would cause the following seven
intersections to operate at a deficient level of
service during at least one peak hour to operate at
a deficient level of service:
⚫ #6 (Adm Callaghan Ln at Turner Pkwy,
⚫ #7 (Adm Callaghan Ln at Rotary Way,
⚫ #9 Redwood St/Fairgrounds Dr at I-80 Ramps,
⚫ #11 Redwood Pkwy at Adm Callaghan LN (S),
⚫ #21 Adm Callaghan Ln at Southern Project
Driveway,
⚫ #23 Adm Callaghan Ln at Northern Project
Driveway, and
⚫ #25 I-80 SB Ramp at Redwood Pkwy.

One freeway segment would operate at a deficient
level: I-80 Eastbound – West of Redwood Parkway.

Implementation of mitigation measures TR-1
through TR-3, which include the construction of a
MM TR-1 through MM TR-3.

No additional mitigation measures are required.

Less than Significant with
Mitigation Incorporated

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right turn pocket on northbound Admiral Callaghan
Lane/Turner Parkway and signal timing
coordination along Turner Parkway would improve
traffic flow and reduce delays in the impact area.

However, impacts at these seven intersections and
one freeway segment under Cumulative With
Project Conditions would remain significant and
unavoidable. No other feasible mitigation measures
have been identified which would further mitigate
the impacts. The project area is located in a
developed urban area and insufficient right-of-way
exists to add capacity to the City of Vallejo
intersections which are significantly impacted.

Caltrans has prepared an interchange improvement
plan for the I-80/Redwood Parkway interchange
which will improve operations at the I-80 ramp
intersections. However; this Caltrans project is not
yet fully funded, and the timing and construction of
those improvements are outside the control of the
City of Vallejo and there is no guarantee that these
improvements would be implemented.

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6.0 REPORT PREPARERS

6.1 LSA Associates, Inc.
157 Park Place
Point Richmond, California 94801
Theresa Wallace, AICP, Principal in Charge
Florentina Craciun, AICP, Project Manager
Lauren Peachey, Assistant Project Manager
Carlina Rose, Environmental Planner
JT Stephens, Principal, Noise Specialist
Cara Cunningham, Associate, Air Quality Specialist
Dean Arizabal, Principal, Transportation Planner

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7.0 REFERENCES
Association of Bay Area Governments (ABAG). 2021. Plan Bay Area 2050: Regional Growth Forecast.

Website: https://planbayarea.org/sites/default/files/documents/Plan_Bay_Area_2050_ October_2021.pdf (accessed April 2025).

Bay Area Air District (Air District). 2017. Final 2017 Clean Air Plan: Spare the Air, Cool the Climate.

Website: https://www.baaqmd.gov/~/media/files/planning-and-research/plans/2017-cleanair-plan/attachment-a_-proposed-final-cap-vol-1-pdf.pdf?rev=8c588738a4fb455b9cabb 27360409529&sc_lang=en (accessed April 2025).

California Code, Fish and Game Code. FGC § 3503. Website: https://codes.findlaw.com/ca/fish-andgame-code/fgc-sect-3503/ (accessed April 2025).

California Code, Fish and Game Code. FGC § 3513. Website https://codes.findlaw.com/ca/fish-andgame-code/fgc-sect-3513/ (accessed April 2025).

California Department of Forestry and Fire Protection (CAL FIRE). 2025. Fire Hazard Severity Zones.

February 25. Website: https://osfm.fire.ca.gov/what-we-do/community-wildfirepreparedness-and-mitigation/fire-hazard-severity-zones (accessed April 2025).

California Department of Resources Recycling and Recovery (CalRecycle). 2023. Solid Waste Information System (SWIS), Keller Canyon Landfill (07-AA-0032). Website: https://www2. calrecycle.ca.gov/SolidWaste/ SiteActivity/Details/4407?siteID-228 (accessed April 2025).

California Department of Water Resources (DWR). 2022. Sustainable Groundwater Management Act (SGMA) Data Viewer. Website: https://sgma.water.ca.gov/webgis/index.jsp?appid= gasmaster&rz=true (accessed April 2025).

City of Vallejo. 2020. Fairview at Northgate Project Draft Environmental Impact Report. April 9.

Website: file:///P:/2024/20242122%20Vallejo%20-%20Fairview%20at%20Northgate/ BACKGROUND/_Fairview%20at%20Northgate%20DEIR%202020-01.pdf (accessed April 2025).

City of Vallejo. 2020. Fairview at Northgate Master Plan Final Environmental Impact Report, State Clearinghouse Number 2018102007. April 2020.

City of Vallejo. 2021. 2020 Urban Water Management Plan. October 12, 2021.

City of Vallejo. Propel Vallejo, General Plan 2040, amendments through July 24, 2018. Adopted August 29, 2017.

City of Vallejo. Zoning Map. Adopted July 22, 2021. Website: https://covit.maps.arcgis.com/apps/ View/index.html?appid=7638bbc2a29d4c4387366372429f6daa&extent=-122.3063,38.0807, -122.2239,38.1134 (accessed August 2, 2024).

F A I R V I E W A T N O R T H G A T E P R O J E C T

V A L L E J O, C A L I F O R N I A

MA S T E R P L A N E I R A D D E N D U M
A U G U S T 2 0 2 5
7 P:\2024\20242122 Vallejo - Fairview at Northgate\PRODUCTS\3_Final\Fairview at Northgate Addendum_Final.docx (08/27/25) -2 San Francisco Bay Regional Water Quality Control Board (RWQCB). 2017. San Francisco Bay Region.

Water Quality Control Plan for the San Francisco Bay Basin. May 4.

San Francisco Bay Regional Water Quality Control Board (RWQCB). 2022. San Francisco Bay Region Municipal Regional Stormwater NPDES Permit, Order No. R2-2022-0018, as amended by Order No. R2-2023-0019, NPDES Permit No. CAS612008. May 11.

Solano County. 2008. Solano County General Plan EIR, Chapter 4.9, Public Services and Utilities.

August 5, 2008.

Strategic Economics. 2016. Envision 2040, 4-Year Review, Market Overview and Employment Lands Analysis. January 28.

United States Census Bureau. City of Vallejo, QuickFacts, Persons per household, 2019-2023.

Website: https://www.census.gov/quickfacts/fact/table/vallejocitycalifornia/INC110223 (accessed April 2025).

United States Census Bureau. City of Vallejo, QuickFacts, Population estimates, July 1, 2023, (V2023).

Website: https://www.census.gov/quickfacts/fact/table/vallejocitycalifornia/INC110223 (accessed April 2025).

United States. 1918. Migratory Bird Treaty Act (MBTA). As amended 2017. Website: https://www. govinfo.gov/content/pkg/USCODE-2020-title16/pdf/USCODE-2020-title16-chap7-subchapIIsec703.pdf (accessed April 2025).

1/2
Date: January 8, 2025
Ramboll
5 Park Plaza
Suite 500
Irvine, CA 92614
USA
T +1 213 943 6300
www.ramboll.com
Mr. Danny Luu
Project Manager
Fairview-Vallejo Developers, LLC/
Lewis Management Corp
9216 Kiefer Blvd.

Sacramento, CA 95826

FAIRVIEW NORTHGATE EMISSIONS ANALYSIS OF

PROJECT DESIGN UPDATE
Dear Danny,
Enclosed, please find the analysis completed by Ramboll Americas Engineering Solutions, Inc. (“Ramboll”) to assist Lewis Management Corp (“Lewis”) with the calculation of the change in criteria pollutant and GHG emissions caused by the change in number of single family housing dwelling units and strip mall square footage.

Since the approval of the Draft Environmental Impact Report (DEIR) the project design has been updated. We understand that the total number of single-family housing units has increased from 178 units to 245 units, and the retail space has decreased by 9,195 square feet from the 30,000 square feet that was conservatively modeled in the DEIR.1 As a result of these changes, it is anticipated that there will be slight changes in the greenhouse gas emissions associated with energy utilization, on-road mobile sources, waste, and water and wastewater usage.

Ramboll quantified the emissions from the proposed Project changes using the following methodology. For the energy, waste, water and wastewater emissions, a scaling factor was applied based on the change in single­family housing dwelling units and in the strip mall square footage. For the single-family housing land use, the scaling factor is the total number of proposed units divided by the total number of units proposed in the DEIR. For the strip mall, the scaling factor is the is the total square footage of the proposed mall divided by the total square footage proposed in the DEIR. The emissions reported in the DEIR were multiplied by these scaling factors to calculate the emissions for the updated Project. The results of this analysis are shown in Table 1 and Table 2 in Attachment A. 1 Please note that in the DEIR the total retail square footage was noted as 27,500 square feet (not including Costco-specific land uses), however the modeling completed for the Air Quality and Greenhouse Gas analyses utilized a conservative value of 30,000 square feet for the retail space. For the purposes of this analysis, we have conservatively assumed that the new retail space square footage would be the difference between the modeled square footage (30,000 square feet) and the reduction in the retail square footage noted in the memorandum provided by Monchamp Meldrum LLP (9,195 square feet).

2/2
For the on-road mobile sources, the scaling factor was based on the estimated daily trip rates for the Project as were provided in the traffic memo prepared by Kittelson & Associates. The average of the daily trip rates for the updated Project were divided by the average of the daily trip rates the original Project in the DEIR to derive a scaling factor. The mobile emissions reported in the DEIR were multiplied by this scaling factor to calculate the mobile emissions for the updated Project. The results of this analysis are shown in Table 3 of Attachment A.

The calculations show that the net increase in emissions would not be “substantial”, and there would be no new significant impacts as a result of the updated Project design. The results for each pollutant are detailed below.
• Greenhouse Gases: The DEIR previously identified a significant impact resulting from greenhouse gas (GHG) emissions, and the analysis shows that the updated emissions will still exceed the Bay Area Air Quality Management District (BAAQMD) (Table 4 in Attachment A). However, the emissions per service population is lower for the adjusted project in 2023 and 2030 compared to the DEIR. Furthermore, the Project would still remain consistent with the City of Vallejo Climate Action Plan. The consistency analysis as well as the CAP compliance checklist table that was included in the DEIR remain largely unchanged. They are attached with simple updates as Attachment B.
• Criteria Air Pollutants: The DEIR previously identified a significant impact of NOx, and the NOX emissions would still exceed the daily/annual thresholds for the changed Project. The criteria air pollutant emissions for VOC, PM10 and PM2.5 were less than significant in the DEIR and would remain less than significant for the changed Project (Table 5 and Table 6 in Attachment A). The net change is less than the BAAQMD Thresholds for all criteria pollutants.

Please feel free to call Siena Moca at (949) 798-3634, with questions or concerns regarding this report.

Yours sincerely,
Siena Moca Eric C. Lu
Senior Lead Consultant Regional Director, Southwest
D +1 949-798-3634 D +1 949-798-3650
[email protected] [email protected]
SM:cet

ATTACHMENT A

SUPPORTING TABLES

Table 1. CalEEMod®
Energy, Water, Wastewater, and Waste Results by Proposed Land Use Fairview at Northgate Project
Vallejo, California
Natural Gas
Emissions1
(MT CO2e/yr)
Scaled Natural
Gas
Emissions 2
(MT CO 2 e/yr)
Electricity
Emissions1
(MT CO2e/yr)
Scaled
Electricity
Emissions 2
(MT CO 2 e/yr)
City Park -- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Discount Club -- 19.36 19.36 89.56 89.56 17.90 17.90 82.26 82.26 Gasoline/Service Station -- 6.00 6.00 1.93 1.93 0.63 0.63 2.03 2.03 Parking Lot -- 0.00 0.00 15.14 15.14 0.00 0.00 0.00 0.00 Single Family Housing3 1.38 277.72 382.26 50.92 70.08 18.47 25.42 27.09 37.29 Strip Mall4 0.69 3.82 2.65 17.66 12.25 3.53 2.45 3.96 2.75 Total -- 306.9 410.3 175.2 189.0 40.5 46.4 115.3 124.3
City Park -- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Discount Club -- 19.36 19.36 55.04 55.04 16.73 16.73 82.26 82.26 Gasoline/Service Station -- 6.00 6.00 1.19 1.19 0.59 0.59 2.03 2.03 Parking Lot -- 0.00 0.00 9.31 9.31 0.00 0.00 0.00 0.00
Single Family Housing3 1.38 277.72 382.26 31.29 43.07 17.26 23.76 27.09 37.29 Strip Mall4 0.69 3.82 2.65 10.85 7.53 3.30 2.29 3.96 2.75 Total -- 306.9 410.3 107.7 116.1 37.9 43.4 115.3 124.3
Notes:

Abbreviations:

CalEEMod® - California Emissions Estimator Model MT - metric tons CO2e - carbon dioxide equivalents sqft - square feet
DEIR - Draft Environmental Impact Report yr - year
Sources:

Scaled Waste
Emissions 2
(MT CO 2 e/yr)
2023
2030
Scaled Water
and Wastewater
Emissions 2
(MT CO 2 e/yr)
Scaling
Factor3,4
Energy Emissions
Land Use
Water and
Wastewater
Emissions1
(MT CO2e/yr)
Waste
Emissions1
(MT CO2e/yr)
Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/HVB1LQUzecUAB_DKIBi0W5-BCv4BSu59syCVvYTOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed: December 2024. 1 Emissions results based on the mitigated CalEEMod® results from Appendix C of the Fairview at Northgate Project DEIR. 2 Due to the change in land use size the Single Family Housing and Strip Mall land use types, the emissions from natural gas, electricity, water and wastewater, and waste have been scaled. 3 The scaling factor for Single Family Housing is the number of proposed housing units (245) divided by the number of housing units that had previously been proposed in the DEIR (178). 4 The scaling factor for the Strip Mall is based on the proposed decrease in the square footage of the retail space (9,195 sqft). Since the CalEEMod® run in the DEIR conservatively assumed that the retail square footage would be 30,000 sqft, the new square footage was calculated as the difference between 30,000 sqft and 9,195 sqft (20,805 sqft). This value was divided by the square footage proposed in the DEIR (30,000 sqft) to obtain a scaling factor.

Table 2. CalEEMod®
Natural Gas Results by Proposed Land Use
Fairview at Northgate Project
Vallejo, California
VOC NOX PM10 Exhaust PM2.5 Exhaust VOC NOX PM10 Exhaust PM2.5 Exhaust City Park -- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Discount Club -- 0.00 0.02 0.00 0.00 0.00 0.02 0.00 0.00 Gasoline/Service Station -- 0.00 0.01 0.00 0.00 0.00 0.01 0.00 0.00 Parking Lot -- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Single Family Housing5 1.38 0.03 0.24 0.02 0.02 0.04 0.33 0.03 0.03 Strip Mall6 0.69 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total 0.03 0.27 0.02 0.02 0.04 0.35 0.03 0.03
Notes:

Abbreviations:

CalEEMod® - California Emissions Estimator Model PM - particulate matter CO2e - carbon dioxide equivalents PM10 - particulate matter less than 10 microns in diameter DEIR - Draft Environmental Impact Report PM2.5 - particulate matter less than 2.5 microns in diameter MT - metric tons sqft - square feet
NO - nitrogen monoxide VOC - volatile organic compounds NO2 - nitrogen dioxide yr - year
NOx - nitrogen oxide compounds (NO + NO2)
Sources:

Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/HVB1LQUzecUAB_DKIBi0W5- BCv4BSu59syCVvY-TOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed: December 2024.

Natural Gas Emissions1,2,3
(tons/yr)
Scaled Natural Gas Emissions1,3,4
(tons/yr)
Land Use Scaling Factor
2 Emissions results based on the mitigated CalEEMod® results from Appendix C of the Fairview at Northgate Project DEIR. 4 Due to the change in land use size the Single Family Housing and Strip Mall land use types, the emissions from natural gas have been scaled. 5 The scaling factor for Single Family Housing is the number of proposed housing units (245) divided by the number of housing units that had previously been proposed in the DEIR (178). 6 The scaling factor for the Strip Mall is based on the proposed decrease in the square footage of the retail space (9,195 sqft). Since the CalEEMod® run in the DEIR conservatively assumed that the retail square footage would be 30,000 sqft, the new square footage was calculated as the difference between 30,000 sqft and 9,195 sqft (20,805 sqft). This value was divided by the square footage proposed in the DEIR (30,000 sqft) to obtain a scaling factor. 3 There are no fugitive PM emissions from natural gas, therefore fugitive PM10 and PM2.5 have been excluded from this table. 1 Emissions shown as zero may be non-zero values; however, they are below a meaningful reporting level for this analysis.

Table 3. Summary of Daily Trip Rates by Proposed Land Use Fairview at Northgate Project
Vallejo, California
Weekday Saturday Sunday Average Daily4 Weekday Saturday Sunday Average Daily4 8,098 8,570 7,907 -- 8,098 8,570 7,907 --
0 0 0 -- 0 0 0 --
0 0 0 -- 0 0 0 --
0 0 0 -- 0 0 0 --
1,690 1,690 1,690 -- 2,310 2,310 2,310 --
1,280 1,280 1,280 -- 782 782 782 --
11,068 11,540 10,877 11,108 11,191 11,662 10,999 11,231 Notes:

Abbreviations:

CalEEMod® - California Emissions Estimator Model
DEIR - Draft Environmental Impact Report
sqft - square feet
Sources:

DEIR Daily Trip Rate2
Strip Mall6
Kimley-Horn. 2020. Fairview at Northgate Project DEIR. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/s0MJ_pRUBg7NbnFNT_mlMRFL7Nl0il6FavQmbm819uGTDQWMpskiVRoQ0Dq8mCORjxdfKH2bOAZj-jo0. Accessed: December 2024.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/HVB1LQUzecUAB_DKIBi0W5- BCv4BSu59syCVvY-TOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed: December 2024.

Updated Daily Trip Rate3
Total
1 Land uses are based on the CalEEMod® outputs from the Fairview at Northgate Project DEIR. 2 The DEIR average daily trip rates are based on the approved December 2019 DEIR Trip Rates for this project. 3 The updated daily trip rates are based on the "Fairview at Northgate Small Lot Tentative Plan - Trip Generation and EIR Considerations" memo from Kittelson & Associates dated March 13, 2024.
4 The average daily trip rates are calculated as the average of the total trips for each land use type on weekdays, Saturdays and Sundays. 5 The analysis assumes that the trip rate for the for the Discount Club, Gasoline/Service Station, City Park, and Parking remain unchanged. 6 The Single Family Housing land use will increase from 178 units to 245 units which will result in an increase in average daily trips. The land use for the strip mall will decrease by 9,195 sqft which will result in a decrease in average daily trips.

Land Use1
Discount Club5
Gasoline/Service Station5
City Park5
Parking Lot5
Single Family Housing6

Table 4. Greenhouse Gas Emissions by Category
Fairview at Northgate Project
Vallejo, California
Area4 2 2 2 2 0 0
Energy5 482 415 599 526 117 111
On-Road Mobile Sources6 4,067 3,494 4,112 3,532 45 38
Off-Road4 177 177 177 177 0 0
Waste5 115 115 124 124 9 9
Water/Wastewater5 41 38 46 43 5 5
Sequestration Loss4 9 9 9 9 0 0
Total 4,893 4,250 5,070 4,414 177 164
Service Population7 750 750 932 932 -- --
Emissions per Service Population Per Year
(MT CO2e/SP/year) 6.52 5.67 5.44 4.74 -1.08 -0.93
BAAQMD Efficiency Metric Threshold
(MT CO2e/SP/year)
(Adjusted for 2023 and 2030)

4.05 2.76 4.05 2.76 -- --
Exceeds BAAQMD Thresholds? Yes Yes Yes Yes -- --
Notes:

Abbreviations:

MT - metric ton sqft - square feet
CO2e - carbon dioxide equivalents DEIR - Draft Environmental Impact Report SP - service population
Sources:

DEIR Emissions1
(MT CO2e)
7 The service population for the Adjusted Emissions accounts for the number of residents increasing from 513 to 706, per the memo from Monchamp Meldrum LLP, and the number of retail workers decreasing based on the decrease in the retail square footage and the assumed square footage per retail worker (9,195 sqft / 860 sqft per retail worker = 11 employees). This is based on footnote 3 of Table 4.12-6 in the Fairview at Northgate Project DEIR.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/s0MJ_pRUBg7NbnFNT_mlMRFL7Nl0il6FavQmbm819uGTDQWMpskiVRoQ0Dq8mCORjxdfKH2bOAZj-jo0. Accessed: December 2024.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230- 2/attachment/HVB1LQUzecUAB_DKIBi0W5-BCv4BSu59syCVvY-TOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed: December 2024. 2023
Mitigated
2030
Mitigated
5 The scaled emissions for Energy, Waste, and Water/Wastewater source categories are calculated in Table 1. 6 The emissions for the On-Road Mobile Sources are calculated by taking the product of the DEIR mobile emissions and the ratio of the original and updated average daily trips. The trip rates can be found in Table 3.

Source Category
1 The DEIR Emissions for 2023 and 2030 are referenced from Table 4.6-3 in the Fairview at Northgate Project DEIR. 2 The adjusted emissions for 2023 and 2030 are calculated based on the scaled emissions presented in Table 1, and the mobile emissions are scaled based on the change in trip rate, as shown in Table 3.
3 The net change in emissions is calculated as the adjusted emissions minus the Fairview at Northgate Project DEIR emissions for each source category. 4 The analysis assumes that Area, Off-Road, Sequestration emissions remain unchanged. 2023
Mitigated
2030
Mitigated
Adjusted Emissions2
(MT CO2e)
2023
Mitigated
2030
Mitigated
Net Change in Emissions3
(MT CO2e)

Table 5. Annual Criteria Air Pollutant Emissions by Category Fairview at Northgate Project
Vallejo, California

VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive
Area5 2.39 0.01 0.01 0.01 0.00 0.00 2.39 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Energy6 0.03 0.27 0.02 0.02 0.00 0.00 0.04 0.35 0.03 0.03 0.00 0.00 0.01 0.09 0.01 0.01 0.00 0.00 On-Road Mobile Sources7 2.07 10.22 0.03 0.03 2.71 0.73 2.09 10.34 0.03 0.03 2.74 0.73 0.02 0.11 0.00 0.00 0.03 0.01 Offroad5 0.11 1.05 0.06 0.06 0.00 0.00 0.11 1.05 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total 4.61 11.55 0.12 0.12 2.71 0.73 4.64 11.75 0.13 0.12 2.74 0.73 0.03 0.20 0.01 0.01 0.03 0.01 10 10 15 10 N/A N/A 10 10 15 10 N/A N/A 10 10 15 10 N/A N/A No Yes No No No No No Yes No No No No No No No No No No Notes:

Abbreviations:

BAAQMD - Bay Area Air Quality Management District NO2 - nitrogen dioxide PM2.5 - particulate matter less than 2.5 microns in diameter DEIR - Draft Environmental Impact Report NOx - nitrogen oxide compounds (NO + NO2) tpy - tons per year NO - nitrogen monoxide PM10 - particulate matter less than 10 microns in diameter VOC - volatile organic compounds Sources:
6 The scaled emissions for the Energy source category are calculated in Table 2. 1 Emissions shown as zero may be non-zero values; however, they are below a meaningful reporting level for this analysis.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/s0MJ_pRUBg7NbnFNT_m-lMRFL7Nl0il6FavQmbm819uGTDQWMpskiVRoQ0Dq8mCORjxdfKH2bOAZj-jo0. Accessed: December 2024.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/HVB1LQUzecUAB_DKIBi0W5-BCv4BSu59syCVvY-TOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed:

December 2024.

Net Change in Mitigated Annual Emissions1,4
(tpy)
Adjusted Mitigated Annual Emissions1,3
(tpy)
DEIR Mitigated Annual Emissions1,2
(tpy)
BAAQMD Threshold of Significance
Exceeds Thresholds
7 The emissions for the On-Road Mobile Sources are calculated by taking the product of the DEIR mobile emissions and the ratio of the original and updated average daily trips. The trip rates can be found in Table 3.

Source Category
2 The DEIR Mitigated Emissions are referenced from Table 4.2-8 of the Fairview at Northgate Project DEIR. 3 The adjusted emissions are calculated based on the scaled emissions presented in Table 2, and the on-road mobile emissions are scaled based on the change in trip rate, as shown in Table 3. 4 The net change in emissions is calculated as the adjusted emissions minus the Fairview at Northgate Project DEIR emissions for each pollutant and source category. 5 The analysis assumes that Area, Off-Road, Sequestration emissions remain unchanged.

Table 6. Daily Criteria Air Pollutant Emissions by Category Fairview at Northgate Project
Vallejo, California

VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive VOC NOX
PM10
Exhaust
PM2.5
Exhaust
PM10
Fugitive
PM2.5
Fugitive
Area5 13.11 0.07 0.03 0.03 0.00 0.00 13.11 0.07 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Energy6 0.17 1.45 0.12 0.12 0.00 0.00 0.23 1.94 0.16 0.16 0.00 0.00 0.06 0.49 0.04 0.04 0.00 0.00 On-Road Mobile Sources7 11.35 56.02 0.16 0.16 14.85 4.00 11.47 56.64 0.16 0.16 15.01 4.04 0.12 0.62 0.00 0.00 0.16 0.04 Offroad5 0.62 5.76 0.36 0.33 0.00 0.00 0.62 5.76 0.36 0.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total 25.24 63.30 0.67 0.64 14.85 4.00 25.43 64.40 0.71 0.68 15.01 4.04 0.18 1.10 0.04 0.04 0.16 0.04 54 54 82 54 N/A N/A 54 54 82 54 N/A N/A 54 54 82 54 N/A N/A No Yes No No No No No Yes No No No No No No No No No No Notes:

Abbreviations:

BAAQMD - Bay Area Air Quality Management District NO - nitrogen monoxide PM10 - particulate matter less than 10 microns in diameter DEIR - Draft Environmental Impact Report NO2 - nitrogen dioxide PM2.5 - particulate matter less than 2.5 microns in diameter lbs - pounds NOx - nitrogen oxide compounds (NO + NO2) VOC - volatile organic compounds Sources:

Source Category
DEIR Mitigated Daily Emissions1,2
(lbs/day)
Adjusted Mitigated Daily Emissions1,3
(lbs/day)
Net Change in Mitigated Daily Emissions1,4
(lbs/day)
7 The emissions for the On-Road Mobile Sources are calculated by taking the product of the DEIR mobile emissions and the ratio of the original and updated average daily trips. The trip rates can be found in Table 3.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/s0MJ_pRUBg7NbnFNT_m-lMRFL7Nl0il6FavQmbm819uGTDQWMpskiVRoQ0Dq8mCORjxdfKH2bOAZj-jo0. Accessed: December 2024.

Kimley-Horn. 2020. Fairview at Northgate Project DEIR - Appendix C. January. Available at: https://files.ceqanet.opr.ca.gov/90230-2/attachment/HVB1LQUzecUAB_DKIBi0W5-BCv4BSu59syCVvY-TOcereTI4Ys1KDWIA2Jjj-Cmkf4P95IPNFdJi93rk0. Accessed:

December 2024.

Exceeds Thresholds
BAAQMD Threshold of Significance
2 The DEIR Mitigated Emissions are referenced from Table 4.2-8 of the Fairview at Northgate Project DEIR. 3 The adjusted emissions are calculated based on the scaled emissions presented in Table 2, and the on-road mobile emissions are scaled based on the change in trip rate, as shown in Table 3. 4 The net change in emissions is calculated as the adjusted emissions minus the Fairview at Northgate Project DEIR emissions for each pollutant and source category. 5 The analysis assumes that Area, Off-Road, Sequestration emissions remain unchanged. 6 The emissions for the Energy source category are scaled based on the change in energy emissions calculated in Table 2. 1 Emissions shown as zero may be non-zero values; however, they are below a meaningful reporting level for this analysis.

ATTACHMENT B

CITY OF VALLEJO CLIMATE ACTION PLAN

CONSISTENCY ANALYSIS

4.6 Greenhouse Gas
Fairview at Northgate Project Draft Environmental Impact Report City of Vallejo 4.6-34 January 2020
project is consistent with the CAP, then the project would result in a less than significant cumulative impact to global climate change in 2023.

The City of Vallejo CAP (adopted March 2012) identifies sources of GHG emissions within the City’s boundaries; presents current and future emissions estimates; identifies a GHG reduction target for future years; and, presents strategic goals, measures, and actions to reduce emissions. The CAP provides goals and associated reduction measures in the sectors of energy use, renewable energy, transportation demand management, optimized travel, water, wastewater, solid waste, and off-road equipment. The CAP has a reduction target of 15 percent below 2008 levels by the year 2020 and 55 percent reduction below 2008 levels by 2035.

The proposed project would be consistent with the overall goals of the Vallejo CAP. As an infill project on a currently vacant site near major roadways, I-80, and commercial centers, the proposed project would support efforts to reduce GHG emissions from VMT. The project proposes a mix of uses including a Costco, smaller retail and neighborhood-serving uses, and single-family housing. The project would achieve the current Building Energy Efficiency Standards and would be constructed in conformance with CALGreen, which requires high-efficiency water fixtures for indoor plumbing and water-efficient irrigation systems that would improve energy efficiency. The proposed buildings would comply with Title 24 solar requirements and would meet solar-ready requirements associated with Title 24. While the requirements under Title 24 do not require installation of solar energy systems, all residences and buildings that meet solar-ready requirements would be constructed to accept the installation of such a system. Additionally, the project would be required to follow Green Building Ordinance (Chapter 12.50) of the Vallejo Municipal Code. The proposed project would also comply with SB X7-7, which requires California to achieve a 20 percent reduction in urban per capita water use by 2020, as well asimplement best management practices for water conservation to achieve the City’s water conservation goals. Furthermore, the proposed project would comply with the City’s Construction and Demolition Debris Recycling Ordinance (Chapter 7.53), which requires applicable construction projects to divert 50 percent of construction waste. A copy of the Climate Action Plan Checklist prepared for the project is included in Appendix C of this EIR.

Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis, shows the consistency between the proposed project and the goals and actions of the CAP. As addressed in the table, the project would be consistent with the applicable CAP reduction measures. Therefore, the project would help implement the CAP and would not conflict with an applicable plan, policy, or regulation adopted for the purpose of reducing GHG emissions. Impacts would be less than significant.

Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
Energy (E)
E-1. Building Stock:

Existing – Facilitate
energy efficiency
upgrades and retrofits
in existing commercial,
E-1.1. Connect businesses and residents with voluntary programs that provide free or low-cost energy efficiency audits and retrofit installations.

Consistent. The City is the
responsible party for these
measures. The project would
not conflict with E-1.2. Develop an outreach program to encourage participation in low-income weatherization programs.

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Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
residential, and
industrial buildings by
connecting residents
and businesses with
technical and financial
assistance
E-1.3. Work collaboratively with Solano County, other
municipalities in the region, and the Association of Bay Area Governments (ABAG) and participate in regional energy
efficiency financing programs such as low-interest revolving loan funds, the California Comprehensive Residential Building Retrofit Program, or a Property Assessed Clean Energy (PACE) program that enables Vallejo property owners to obtain low-interest financing for energy improvements.
implementation of these
measures.

E-1.4. Consider creating a Residential Energy Conservation Ordinance (RECO) and Commercial Energy Conservation
Ordinance (CECO) to require point-of-sale energy audits and retrofits for all buildings that do not meet minimum energy efficiency requirements.

E-2. Building Standards
– Require all new
development to meet
the minimum California
Title 24 and California
Green Building
Standards Code
requirements, as
amended, and
encourage new
development to exceed
the minimum
requirements
E-2.1. Adopt the California Title 24 minimum requirements and encourage new construction and major remodels to adhere to a Tier 1 or Tier 2 standard of the CALGreen Code.

Consistent. The City is the
responsible party for these
measures. The project would
be required to comply with
these standards. Additionally,
MM GHG-10 requires on-site
renewable energy and MM
GHG-11 requires the
implementation of additional
energy and water efficiency
measures. Therefore, the
project would not conflict
with implementation of these
measures.

E-2.2. Require newly constructed buildings and recommend that remodels over 50% and tenant improvements demonstrate
compliance with the mandatory CALGreen Code requirements by completing a green building checklist when submitting a request for building permits.

E-2.3. Consider requiring new development to comply with the Tier 1 requirements of CALGreen, part 11 of the California Building Standards Code. This optional measure may be
necessary to address any shortfall in attaining reduction objectives.

E-3. Smart Meters -
Increase the
community’s
awareness and
utilization of real-time
energy consumption
data available through
PG&E's SmartMeter
program
E-3.1. Support PG&E’s installation of SmartMeters on commercial and residential properties by informing the community of the GHG and energy cost-saving potential of the devices.

Consistent. The City is the
responsible party for these
measures. The project would
be required to comply with
these standards. Therefore,
the proposed project would
not conflict with
implementation of these
measures.

E-3.2. Require newly constructed buildings and recommend that major remodels, over 50% install indoor real-time energy monitors.

E-3.3. Inform the community of metering options, such as online applications and in-home monitors.

E-3.4. Connect businesses and residents with rebate programs that give priority to appliances with smart grid technology.

E-3. Cool Roofs and
Pavements - Increase
tree planting and the
use of cool roofs and
cool pavement
materials to reduce the
urban heat island effect
and corresponding
energy consumption.

Implement tree
replacement policy for
E-4.1. Actively inspect and enforce state requirements for cool roofs on residential and nonresidential roofing projects. Require new buildings to meet Title 24 and recommend that new
buildings meet CALGreen Tier 1 requirements for cool roofs, which require a minimum solar reflectance index (SRI) of 10 for steep slope roofs and 64 for low slope roofs.

Consistent. The City is the
responsible party for these
measures. The project would
be required to comply with
these standards.

The proposed Costco would
include reflective cool roof
material to meet the U.S.

EPA’s Energy Star energy
E-4.2. Establish standards for new development and major remodels (to be defined) to reduce exterior heat gain for 50% of non-roof impervious site surfaces (roads, sidewalks, courtyards, parking lots, driveways) through one or more of the following mechanisms:

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Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
projects where tree
removal is necessary
• Achieve 50% paved surface shading within five to ten years by planting trees and other vegetation and/or installing solar panels or shading structures above parking.
• Use paving materials with an SRI of at least 29 for all surfaces.
efficiency program
requirements.

The project would be planted
with a pallet with a minimum
of 200 trees within the
parking lots of the commercial
areas and within the
residential area, bio-retention
areas, and site perimeter.

Trees within the commercial
parking area are anticipated
to achieve approximately 30%
shading upon 5-10 years of
maturity. Residential
walkways would be lined with
fruit trees. The project also
includes 5.7 acres of
permanent open space.

E-4.3. Maintain and expand Vallejo's urban forest, including street trees and trees on private property.

E-4.4. For public improvements and public projects, require the use of high albedo paving material for sidewalks, roads, crosswalks, parking lots, and driveways.

Renewable Energy (RE)
RE-1. Renewable
Energy Installations -
Support the installation
of small-scale
renewable energy
systems including solar
photovoltaic, solar
thermal, and wind,
river current, and tidal
energy conversion
systems
RE-1.1. Update the Zoning Code to define a renewable energy strategy that removes barriers to small-scale solar energy systems. Consistent. The City is the
responsible party for these
measures. The project would
be evaluated to determine if
these standards were
applicable. MM GHG-10
requires on-site renewable
energy (photovoltaic solar on
the Costco roof). Additionally,
residences would be required
to include solar and/or energy
efficiency measures per 2019
Title 24 requirements.

RE-1.2. Revise the permit processes and fees as appropriate to remove barriers to and incentivize the installation of renewable energy systems in accordance with applicable safety and environmental standards.

RE-1.3. Provide training to at least one designated Planning and one Building staff member to enable knowledgeable and
expeditious processing of renewable energy applications.

RE-1.4. Encourage new homes and businesses to be pre-wired and pre-plumbed for solar and solar thermal installations.

RE-1.5. Evaluate site-specific opportunities and constraints related to Vallejo’s proximity to the San Francisco Bay and to rivers, channels, and lakes, both manmade and natural.

RE-2. Renewable
Energy Financing -
Connect residents and
businesses with
renewable energy
incentives and lowinterest financing
mechanisms
RE-2.1. Participate in a regional financing program such as the Property Assessed Clean Energy (PACE) program or equivalent that achieves similar results to provide low-interest financing for renewable energy installations. Not Applicable. The City is the responsible party for these
measures. The project would
be required to comply with
the applicable standards and
would not conflict with
implementation of these
measures.

RE-2.2. Designate a City staff person to coordinate local inquiries regarding the regional financing program.

RE-2.3. Train Planning and Building staff members on available state, regional, and utility-led financing
mechanisms and incentives/rebates.

RE-2.4. Collaborate with neighboring jurisdictions and Solano County to explore the feasibility and cost of a community choice aggregation program.

RE-2.5. Set a renewable power generation goal for the City to increase communitywide energy generation.

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Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
RE-2.6. Work with Solano County to identify the benefits and costs of a community choice aggregation program and establish a stakeholder advisory group.

Transportation Demand Management (TDM)
TDM-1. Local Business
– Promote buy local
and related initiatives
that support local
commerce and reduce
the need for extensive
transport
TDM-1.1. Support efforts that encourage people who live, work, or have businesses in Vallejo to buy local goods, food supplies, and services.

Not Applicable. The City is the
responsible party for this
measure.

TDM-1.2. Implement the elements of the Downtown Specific Plan that encourage the promotion of economic revitalization of the Downtown Commercial Area to create local options for commerce.

Not Applicable. The City is the
responsible party for this
measure. The project site is
not in the Downtown Specific
Plan area.

TDM-1.3. Enact new or participate in existing award programs that recognize local employers who provide outstanding
contributions to the quality of life in the community, including “green businesses.”
Not Applicable. The City is the
responsible party for these
measures.

TDM-1.4. Promote cooperative benefits organizations to enable individual merchants to achieve benefits of scale and innovation to reduce energy consumption, establish recycling programs, and reduce water use.

TDM-1.5. Support strategies to increase local business-tobusiness commerce.

TDM-2. Mixed-Use,
Higher-Density, TransitOriented Development
–Promote mixed-use,
higher-density
development near
transit nodes
TDM-2.1. Maintain the Downtown Commercial Area as a strong focal point to attract higher-density housing, business, and office use.

Not Applicable. The City is the
responsible party for this
measure. The project site is
not in the Downtown Specific
Plan area.

TDM 2.2. Provide a high-quality and relatively high-density Downtown multi-family residential environment connected by selected transit-oriented priority areas and other transit corridors.

Consistent. The project site is
not in the Downtown Specific
Plan area. However, the
proposed project includes a
mix of uses near major
roadways, freeways, and
transit stops.

TDM-2.3. Adopt incentives such as priority processing and revised codes to increase densities in the Downtown or within one-half mile of a regularly scheduled transit stop.

Not Applicable. The City is the
responsible party for this
measure. The project site is
not in the Downtown Specific
Plan area but would provide
increased densities within a
half-mile of a transit stop.

TDM-2.4. Implement elements in the Downtown Specific Plan that encourage pedestrian-oriented plazas, walkways, bike trails, bike lanes, and street furniture and connections to other community areas. Promote pedestrian convenience and
recreational opportunities through development conditions requiring sidewalks, walking paths, or hiking trails connecting various land uses with safety amenities such as lighting and signage.

Not Applicable. The City is the
responsible party for this
measure. The project site is
not in the Downtown Specific
Plan area but would include

11.2 acres of open space and
green space.

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TDM-2.5. Implement elements in the Downtown Specific Plan that promote mixed-use development support services such as daycare, restaurants, banks, and stores near employment centers, where feasible.

Not Applicable. The City is the
responsible party for this
measure. The project site is
not in the Downtown Specific
Plan area.

TDM-2.6. Support "complete streets" by incorporating applicable public transit, bicycle and pedestrian rights-of-way, and facilities for Vallejo residents when evaluating future expansion and new development of streets and highways.

Consistent. The project would
promote the use bicycle and
pedestrian facilities. The
project includes mitigation
that would require the
applicant to provide a new
Soltrans bus stop with pull-out
on Turner parkway for use by
residents and visitors to the
site. The project also provides
a new sidewalk and bicycle
lanes along Admiral Callaghan
Lane, and a new bicycle and
pedestrian pathway along
Turner Parkway.

TDM-3. Bicycle and
Pedestrian Travel -
Expand and link the
network of pedestrian
and bicycle paths and
facilities through
preparation of a Bicycle
and Pedestrian Master
Plan, with the goal of
increasing the bicycle
and pedestrian mode
share 20% by 2035
TDM-3.1. Create a City-wide Bicycle and Pedestrian Master Plan to analyze existing and future pedestrian and bicycle
infrastructure and facilities and to qualify for state and federal funding for bicycle- and pedestrian-related infrastructure.

Consistent. The City is the
responsible party for these
measures. The project would
not conflict with the City’s
ability to enact these policies.

However, the project includes
a pedestrian-friendly
residential neighborhood with
cohesive design that includes
active and passive recreational
opportunities and bike/
pedestrian circulation
amenities for future residents
and users of the commercial
space. The project would add
bike lanes on both sides of
Admiral Callaghan Lane. MM
GHG-3 also requires a TDM
plan that would include
requirements for bicycle
support facilities.

TDM-3.2. Pursue public and private funding to expand and link the network of pedestrian and bicycle paths and facilities beginning in selected, transit-oriented priority areas.

TDM-3.3. Revise zoning standards to require the provision of bicycle support facilities (lockers, shower rooms, etc.) for appropriate development at a rate of 1 changing room and shower per 200 occupants.

TDM-4. Parking -
Revise parking
requirements for new
commercial and multifamily projects and
implement the
Downtown Parking
Meter Installation Plan
TDM-4.1. Revise parking requirements for new commercial and multi-family residential projects to provide bike racks for 5% of the building’s projected visitors within 200 feet of the building’s entrance for commercial project and one long-term bicycle storage space per two multi-family units.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with the City’s
ability to enact these policies.

However, MM GHG-3 requires
a TDM plan that requires
bicycle parking and other
amenities. The TDM plan
TDM-4.2. Allow up to a 15% reduction in required private vehicle parking spaces in new commercial and multi-family residential projects if justified in an approved trip reduction plan.

TDM-4.3. Encourage shared parking programs in mixed-use and transit-oriented development areas.

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Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
TDM-4.4. Design parking lots, where feasible, to include clearly marked and shaded pedestrian pathways between transit
facilities and building entrances.
would also include pedestrian
pathways.

TDM-5. Transit -
Support a convenient,
attractive, and
comprehensive transit
system
TDM-5.1. Prioritize and pursue transit improvements
that serve local businesses and job sites.

Consistent. The City is the
responsible party for these
measures. The project would
not conflict with the City’s
ability to enact these policies.

The TDM program required by
MM GHG-3 would include
subsidized transit passes.

TDM-5.2. Encourage major employers to provide free or
discounted transit passes or other incentives to employees for using transit.

TDM-5.3. On Mare Island, create a network of bicycle and pedestrian paths that connect with transit services, combined with a street framework that is transit-friendly but sensitive to Mare Island's historic character.

Not Applicable. The City is the
responsible party for this
measure. The proposed
project is not located on Mare
Island.

TDM-6. Food Systems –
Support convenient
access to
neighborhood-serving
grocery stores and
community gardens
TDM-6.1. Encourage the distribution of grocery stores that provide fresh and local foods with convenient access from all residential neighborhoods.

Consistent. The proposed
project includes a grocery
store with fresh produce
(Costco). In addition, the
Costco and smaller retail area
are located close to existing
residential area and designed
to be walkable from the
proposed new residential
component.

TDM-6.2. Improve the distribution, frequency, and attendance of farmers markets in Vallejo.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation. However,
the project design includes
elements that are consistent
with these measures. For
example, the project includes
residential walkways that
would be lined with fruit trees
and community herb gardens.

TDM-6.3. Collaborate with community-based organizations in support of community gardens on applicable sites throughout the city.

TDM-6.4. Revise zoning standards as necessary to allow small neighborhood markets in appropriate areas.

TDM-6.5. Add an additional week-day Farmer’s Market in Vallejo.

TDM-7. Commute
Behavior – Reduce
emissions from
commute travel to and
from schools
and workplaces
TDM-7.1. Encourage a variety of transportation system demand management techniques for new development, including
variable work hours and telecommuting.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation. The project
does include mitigation that
requires the preparation of a
Commute Trip Reduction/
Transportation Demand
Management plan that
requires the project applicant
to demonstrate measures that
TDM-7.2. Support the establishment and participation in Safe Routes to Schools and similar infrastructure and educational programs that enable safe passage of children and reduce vehicle trips to local schools.

TDM-7.3. Collaborate with the Solano Transportation Authority (STA) and Solano County to update the rideshare matching system to include the use of social networking and smartphone platforms and encourage greater use of existing park-and-ride lots.

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TDM-7.4. Collaborate with STA and local employers to support guaranteed ride home programs including preferential parking spaces, employer-assisted ride-matching databases, recognition programs, and other incentives.
can be implemented to reduce
vehicle trips to the project
site.

TDM-7.5. Participate in and contribute to regional programs to address Bay Area commute alternatives and commute efficiency.

TDM-8. Jobs/Housing
Balance - Plan for an
improved jobs/housing
balance in order to
reduce the need for
long-distance travel
from residences to
places of work
TDM-8.1. Update the City General Plan and corresponding regulations to support additional jobs and economic
revitalization that improves Vallejo’s jobs/housing balance.

Not Applicable. The City is the
responsible party for this
measure. The project would
not conflict with
implementation. The proposed
project includes 178 singlefamily homes and is expected to generate approximately 341
jobs.

TDM-8.2. Support the retention and expansion of local anchor and growth industries including Kaiser and Sutter hospitals, as well as Touro University on Mare Island and the California Maritime Academy.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation.

TDM-8.3. Review land-use plans and regulations and revise as needed to support additional live/work opportunities and home occupations, provided they are compatible with the existing neighborhood.

Optimized Travel (OT)
OT-1. Efficient and
Alternative Fuel
Vehicles – Support the
expanded use of
efficient and
alternative fuel vehicles
OT-1.1. Support use of high-occupancy vehicle (HOV) lanes by fuel-efficient and alternative fuel vehicles designated as zero or partial zero-emission vehicles by CARB through adoption of Climate Action Plan policies and participation on the
Metropolitan Transportation Commission and other regional agency committees.

Not in Conflict. The City is the
responsible party for these
measures. The project would
not conflict with
implementation. However,
the TDM plan (required by
MM GHG-3) would require
carpool incentives and would
also require electric vehicle
parking and charging stations
to exceed code requirements.

OT-1.2. Revise parking requirements for public and newly constructed commercial developments to include designated stalls for low-emitting, fuel-efficient vehicles and
carpool/vanpool vehicles for a minimum of 8% of total parking capacity and develop pre-wire stalls for future electric vehicle charging for 2% of total parking capacity.

OT-1.3. Encourage new gas stations and automotive uses to include biodiesel facilities and/or offer biodiesel retrofits to diesel vehicles.

Not in Conflict. The City is the
responsible party for this
measure. Although the project
includes a gas station,
biodiesel and alternative fuels
are not currently proposed.

However, the project would
not conflict with the City’s
ability to implement these
measures.

OT-1.4. Consider creating refueling stations to provide biodiesel fuel, compressed natural gas, or liquefied natural gas.

OT-2. Car Sharing -
Facilitate a car-sharing
network in
OT-2.1. Facilitate and encourage at least one car-sharing company, such as Zip Car and City Car Share, to include Vallejo in its service area by 2020.

Not Applicable. The City is the
responsible party for this
measure. The project would
245 singlefamily
homes
330 jobs

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Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
Vallejo. not conflict with
implementation.

OT-2.2. Investigate the possibility of reducing the City’s vehicle fleet by using car-sharing vehicles for appropriate City uses by 2020.

Not Applicable. The City is the
responsible party for this
measure. The project would
not conflict with
implementation.

OT-3. Anti-Idling and
Traffic Calming -
Support anti-idling and
traffic calming
infrastructure and
enforcement
OT-3.1. Synchronize, improve, and construct traffic
signal/road improvements that reduce vehicle idling
Consistent. The proposed
project would improve various
intersections through signal
and roadway improvements.

OT-3.2. Work with the Vallejo Police Department to increase enforcement of state idling restrictions for heavy-duty vehicles.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation.

OT-3.3. Encourage local schools to implement an anti-idling campaign at pick-up and drop-off areas.

OT-4. Zero Emission
Vehicle Stations –
Provide electric vehicle
charging stations
OT-4.1. Install additional electric vehicle charging stations at City Hall and other appropriate municipal parking lots for public use. Not Applicable. The City is the responsible party for these
measures. The project would
not conflict with
implementation. The project
would install electric charging
stations per the building code.

OT-4.2. Coordinate with regional agencies to install charging stations in high traffic areas through grant-funded programs encouraging electric vehicle use.

OT-4.3. Use small- and large-scale solar panels to power or supplemental charging stations.

Water, Wastewater, and Solid Waste (W)
W-1. Water
Conservation Efforts –
Promote and require
water conservation
through outreach and
pricing
W-1.1. Continue to provide water customers with information on conservation techniques, services, devices, and rebates by posting information at vallejowater.org or through other outreach methods.

Not Applicable. The City is the
responsible party for this
measure. The project would
not conflict with
implementation. The
proposed project would
include high-efficiency watersaving techniques.

W-1.2. Continue to enforce the City’s Wasteful Water Use Prohibition Ordinance.

W-2. Development
Standards for Water
Conservation - Require
water conservation in
all new buildings and
landscapes
W-2.1. Per the minimum requirements of the 2010 CALGreen Code, ensure that all new non-residential buildings larger than 50,000 square feet install individual water meters for each tenant space projected to consume more than 100 gallons per day. Consistent. The project would comply with the requirements W of the latest State Codes. -2.2. Per the minimum requirements of the 2010 CALGreen Code, ensure that new non-residential facilities with 1,000 to 5,000 square feet of irrigated landscaped space provide an additional water meter or submeter for landscaping uses.

W-2.3. Revise development standards to support the use of greywater, recycled water, and rainwater catchment systems in all zones.

Not Applicable. The City is the
responsible party for this
measure. The project would
not conflict with
implementation. MM GHG-11
requires the project to use
recycled water for landscape
irrigation where available.

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W-2.4. Per the voluntary requirements of the 2010 CALGreen Code, encourage newly constructed development to treat at least 40% of the average annual rainfall on-site through low impact development strategies. Consistent. The project would comply with the requirements
of the latest State Codes.

W-2.5. Per the minimum requirements of the 2010 CALGreen Code, require a minimum of 20% of the total parking, walkway, and porch area surfaces serving single-family and multi-family residential buildings under 4 units to be permeable to facilitate on-site retention of water and reduce water runoff.

W-3. Recycling and
Composting Efforts -
Support waste
diversion through
composting and
recycling programs
W-3.1. Collaborate with CalRecycle and VALCORE Community Recycling to continue to host recycling and composting
workshops and to disseminate information.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation.

W-3.2. Provide links to information on composting and VALCORE composting services and classes on the City’s website and at other appropriate venues.

W-3.3. Prepare a list of GHG-reducing best practices for material management to be considered during the solid waste franchise selection process and applicable City permit processes for major development projects.

W-4. Development
Standards for Recycling
and Composting -
Require waste
diversion and use of
recycled materials in
new development
W-4.1. Continue to update the City’s Construction/ Demolition Waste Reuse and Recycling Ordinance as higher diversion rates become feasible, necessary, or required.

Not Applicable. The City is the
responsible party for these
measures. However, the
project would comply with the
City’s Construction and
Demolition Debris Recycling
Ordinance (Chapter 7.53)
which requires applicable
construction projects to divert
50 percent of construction
waste.

W-4.2. Support the development of additional markets for recycled content products by requiring new developments to include recycled content materials at a minimum of 10% of total materials.

Off-Road Equipment (OR)
OR-1. Lawn & Garden
Equipment - Encourage
the use of electrified
and higher efficiency
lawn and garden
equipment
OR-1.1. Support BAAQMD’s efforts to re-establish a voluntary exchange program for residential lawn mowers and backpackstyle leaf blowers.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation. The proposed
project has been designed to
be consistent with the State of
California’s Model Water
Efficient Landscape Ordinance.

Additionally, the project
includes a mitigation measure
requiring the project applicant
to install exterior electrical
outlets on all new buildings for
the use of electric-powered
landscaping equipment.

OR-1.2. Require new buildings to provide electrical outlets on the exterior in an accessible location to charge electric powered lawn and garden equipment.

OR-1.3. Encourage the replacement of high maintenance
landscapes (like grass turf) with native vegetation to reduce the need for gas-powered lawn and garden equipment.

OR-2. Construction
Equipment -Reduce
emissions from heavyOR-2.1. Idling times shall be minimized either by shutting equipment off when not in use or reducing the maximum idling time to 5 minutes (as required by the California Airborne Toxics Consistent. The project would
comply with the requirements

4.6 Greenhouse Gas
Fairview at Northgate Project Draft Environmental Impact Report City of Vallejo 4.6-43 January 2020
Table 4.6-4: City of Vallejo Climate Action Plan Consistency Analysis Goal Actions Project Consistency
duty construction
equipment by limiting
idling and utilizing
cleaner fuels,
equipment, and
vehicles
Control Measure Title 13, Section 2485 of California Code of Regulations [CCR]), or less. Clear signage shall be provided at all access points to remind construction workers of idling
restrictions.
of the Air Toxics Control
Measure.

OR-2.2. Construction equipment shall be maintained per
manufacturer’s specifications.

Consistent. This is also a
BAAQMD basic construction
measure required for all
projects and would be
required per Mitigation
Measure AQ-1.

OR-2.3. Planning and Building staff will work with project applicants to limit GHG emissions from construction equipment by selecting one of the following measures, at a minimum, as appropriate to the construction project:
– Substitute electrified equipment for diesel- and gasolinepowered equipment where practical. – Use alternatively fueled construction equipment on-site, where feasible, such as compressed natural gas (CNG),
liquefied natural gas (LNG), propane, or biodiesel.
– Avoid the use of on-site generators by connecting to grid electricity or utilizing solar-powered equipment.
– Limit heavy-duty equipment idling time to a period of 3 minutes or less, exceeding CARB regulation minimum
requirements of 5 minutes.

Not Applicable. The City is the
responsible party for these
measures. The project would
not conflict with
implementation.

Source: City of Vallejo, 2012, City of Vallejo Climate Action Plan.

GHG reductions are also achieved as a result of State of California energy and water efficiency requirements for new residential developments. These efficiency improvements correspond to reductions in secondary GHG emissions. For example, in California, most of the electricity that powers homes is derived from natural gas combustion. Therefore, energy-saving measures, such as Title 24, reduces GHG emissions from the power generation facilities by reducing load demand.

The proposed project would be required to comply with existing regulations, including applicable measures from the City’s CAP, or would be directly affected by the outcomes (vehicle trips and energy consumption would be less carbon-intensive due to statewide compliance with future low carbon fuel standard amendments and increasingly stringent Renewable Portfolio Standards). As such, the project would not conflict with any other state-level regulations pertaining to GHGs.

CARB SCOPING PLAN
The California State Legislature adopted AB 32 in 2006. AB 32 focuses on reducing GHGs (carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride) to 1990 levels by the year 2020. Pursuant to the requirements in AB 32, the ARB adopted the Climate Change Scoping Plan (Scoping Plan) in 2008, which outlines actions recommended to obtain that goal. The Scoping Plan provides a range of GHG reduction actions that include direct regulations, alternative compliance

Compliance Checklist for New Development APPENDIX D
CLIMATE ACTION PLAN D-1

COMPLIANCE

CHECKLIST FOR
NEW

DEVELOPMENT

CITY OF

VALLEJO

QUALIFIED

GREENHOUSE
GAS

REDUCTION
PLAN
The following table will be used to determine compliance with the City’s Climate Action Plan (CAP), a Qualified Greenhouse Gas Reduction Plan according to the Bay Area Air Quality Management District (BAAQMD) California Environmental Quality Act (CEQA) guidelines. A new development may use the CAP as a performance based threshold of significance for greenhouse gas emissions by demonstrating compliance with the CAP’s goals, measures, and actions. The checklist below will aid in this endeavor. The checklist will be updated regularly as the CAP’s goals, policies and actions are implemented. The CAP policy language will be replaced by actual municipal code sections, where applicable.

Topic Policy City Requirements Project Requirements Compliance Discussion Energy Efficiency Building Standards Require all new development to meet minimum energy efficiency and green building requirements, as amended and encourage new development to exceed Title 24 Energy Efficiency and CALGreen Standards.

Adopt the California Title 24 minimum requirements and encourage new construction and major remodels to adhere to a Tier 1 or Tier 2 standard of the CALGreen Code.

Comply with Title 24 minimum requirements and consider adhering to the Tier 1 or Tier 2 standards of the CALGreen Code for Energy Efficiency.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Require news constructed buildings and recommend that remodels over 50% and tenant improvements demonstrate compliance with the mandatory CALGreen Code requirements by completing a green building checklist when submitting a request for building permits.

Complete CAP checklist.

Consider requiring new development to comply with the Tier 1 requirements of CALGreen, Part 11 of the California Building Standards Code. This optional measure may be necessary to address any shortfall in attaining reduction objectives.

Smart Meters Increase the community’s
awareness and utilization of real-time energy consumption data available through PG&E's SmartMeter program.

Require newly constructed buildings and recommend that major remodels install indoor real-time energy monitors.

Install indoor real-time energy monitor in each unit or tenant space.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Connect businesses and residents with rebate programs that give priority to appliances with smart grid technology.

Provide information to prospective buyers or tenants on available rebates for appliances with smart grid enabled technology Cool Roofs and Pavements
Increase tree planting and the use of cool roofs and cool pavement materials to reduce the urban heat island effect and corresponding energy consumption. Implement tree replacement policy for Actively inspect and enforce state requirements for cool roofs on residential and nonresidential roofing projects. Require new buildings to meet Title 24 and recommend that new buildings meet CALGreen Tier 1 requirements for cool roofs, which require a minimum solar reflectance index (SRI) of 10 for steep slope roofs and 64 for low slope roofs.

Comply with minimum Title 24 requirements for cool roofs to have a minimum SRI of 10 for steep slope and 64 for low slope roofs on residential and nonresidential projects.

Complies  Complies with Intent of Project Requirement  Not Applicable Establish standards for new development and major remodels to reduce exterior heat gain for 50% of non-roof impervious site surfaces (roads, sidewalks, courtyards, parking lots, driveways) through one or more of the following mechanisms:

Reduce exterior heat gain by planting vegetation, installing solar panel shade structures, or utilizing paving materials with a

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Comply with Title 24 minimum requirementsand consider adhering to the Tier 1 or Tier 2standards of the CALGreen Code for EnergyEfficiency.

Complete CAP checklist.

Adopt the California Title 24 minimum requirements and encourage newconstruction and major remodels to adhere to a Tier 1 or Tier 2 standard of theCALGreen Code.Require news constructed buildings and recommend that remodels over 50 % and
tenant improvements demonstrate compliance with the mandatory CALGreen Coderequirements by completing a green building checklist when submitting a request for building permits.Consider requiring new development to comply with the Tier 1 requirements of CALGreen, Part 11 of the California Building Standards Code. This optional measuremay be necessary to address any shortfall in attaining reduction objectives.

Install indoor real-time energy monitor in eachunit or tenant space.

Require newly constructed buildings and recommend that major remodels installindoor real-time energy monitors. Connect businesses and residents with rebate programs that give priority toappliances with smart grid technology.

Provide information to prospective buyers ortenants on available rebates for appliances withsmart grid enabled technology Actively inspect and enforce state requirements for cool roofs on residential and Comply with minimum Title 24 requirementsnonresidential roofing projects. Require new buildings to meet Title 24 and recommend for cool roofs to have a minimum SRI of 10 forthat new buildings meet CALGreen Tier 1 requirements for cool roofs, which require a steep slope and 64 for low slope roofs onminimum solar reflectance index (SRI) of 10 for steep slope roofs and 64 for low slope residential and nonresidential projects.roofs.

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APPENDIX D Compliance Checklist for New Development
D-2 CITY OF VALLEJO
Topic Policy City Requirements Project Requirements Compliance Discussion projects where tree removal is necessary.
ƒ Achieve 50% paved surface shading within five to ten years by planting trees andother vegetation and/or installing solar panels or shading structures above parking. minimum SRI of 29 for at least 50% of non-roof impervious site surfaces.

Does Not Comply
ƒ Use paving materials with an SRI of at least 29 for all surfaces.Maintain and expand Vallejo's urban forest, including street trees and trees on private property.

Install and maintain street trees in compliance with current development standards For public improvements and public projects, require the use of high albedo paving material for sidewalks, roads, crosswalks, parking lots, and driveways.

Utilize high albedo paving material when required to install or renovate sidewalks, roads, crosswalks, parking lots, and driveways Renewable Energy Renewable Energy Installations
Support the installation of small-scale renewable energy systems including solar photovoltaic, solar thermal, and wind, river current, and tidal energy conversion systems.

Encourage new homes and businesses to be pre-wired and pre-plumbed for solar and solar thermal installations.

Pre-wire and pre-plumb new residential and commercial buildings for solar and solar thermal installations.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Transportation & Land Use
Promote mixed-use, higher-density development near transit nodes.

Implement elements in the Downtown Specific Plan that encourage pedestrianoriented plazas, walkways, bike trails, bike lanes, and street furniture and connections to other community areas. Promote pedestrian convenience and recreational opportunities through development conditions requiring sidewalks, walking paths, or hiking trails connecting various land uses and including safety amenities such as lighting and signage.

Include sidewalks, walking paths, or hiking trails connecting various land uses and including safety amenities such as lighting and signage throughout the project site for projects with the Downtown Specific Plan.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Implement elements in the Downtown Specific Plan that promote mixed-use development and provide commercial services such as day care, restaurants, banks, and stores near to employment centers, where feasible.

Incorporate commercial services such as day care, restaurants, banks, and stores near employment centers where feasible in mixed use projects for projects within the Downtown Specific Plan.

Expand and link the network of pedestrian and bicycle paths and facilities through preparation of a Bicycle and Pedestrian Master Plan, with the goal of increasing the bicycle and pedestrian mode share 20% by 2035.

Revise zoning standards to require the provision of bicycle support facilities (lockers, shower rooms, etc.) for appropriate development at a rate of 1 changing room and shower per 200 occupants.

Provide bicycle support facilities at a rate of 1 changing room and shower per 200 occupants within non-residential developments.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply .BZ
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Revise zoning standards to require the provision of bicycle support facilities (lockers, Provide bicycle support facilities at a rate of 1shower rooms, etc.) for appropriate development at a rate of 1 changing room and changing room and shower per 200 occupantsshower per 200 occupants. within non-residential developments. minimum SRI of 29 for at least 50% of non-roofimpervious site surfaces.

Pre-wire and pre-plumb new residential andcommercial buildings for solar and solarthermal installations.

Encourage new homes and businesses to be pre-wired and pre-plumbed for solarand solar thermal installations.

Install and maintain street trees in compliancewith current development standards

Compliance Checklist for New Development APPENDIX D
CLIMATE ACTION PLAN D-3
Topic Policy City Requirements Project Requirements Compliance Discussion Revise parking requirements for new commercial and multifamily residential projects and implement the Downtown Parking Meter Installation Plan.

Revise parking requirements for new commercial and multi-family residential projects to provide bike racks for 5% of the building’s projected visitors within 200 feet of the building’s entrance for commercial projects and one long-term bicycle storage space per two multi-family units.

Provide bike racks for 5% of the projected building occupants within 200 feet of the building entrance and one long-term bicycle storage space per two-multi-family units.  Complies Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Allow up to a 15% reduction in required private vehicle parking spaces in new commercial and multi-family residential projects if justified in an approved trip reduction plan.

Consider reducing the number of required vehicle parking spaces by up to 15% through the development of an approved trip reduction program.

Encourage shared parking programs in mixed-use and transit-oriented development areas.

Consider utilizing shared parking in mixed-use and transit-oriented developments.

Design parking lots, where feasible, to include clearly marked and shaded pedestrian pathways between transit facilities and building entrances.

Design parking lots, where feasible, to include clearly marked and shaded pedestrian pathways between transit facilities and building entrances.

Reduce emissions from commute travel to and from schools and workplaces.

Encourage a variety of transportation system demand management techniques for new development, including variable work hours and telecommuting.

Implement applicable transportation demand management programs and techniques.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Support the establishment and participation in Safe Routes to Schools and similar infrastructure and educational programs that enable safe passage of children and reduce vehicle trips to local schools.

Install infrastructure within and adjacent to the project site to ensure the safe passage of children to and from school.

Collaborate with the Solano Transportation Authority (STA) and Solano County to update the rideshare matching system to include the use of social networking and smart phone platforms and encourage greater use of existing park-and-ride lots.

Encourage employers and employees to utilize the Solano transit Authority’s rideshare matching system.

Collaborate with STA and local employers to support guaranteed ride home programs including preferential parking spaces, employer-assisted ride-matching databases, recognition programs, and other incentives.

Encourage employers and employees to participate in STA’s ridesharing and support services.

Plan for an improved jobs/housing balance in order to reduce the need for long-distance travel from residences to places of work.

Update the City General Plan and corresponding regulations to support additional jobs and economic revitalization that improves Vallejo's jobs/housing balance.

Provide jobs and economic revitalization that improves Vallejo’s jobs/housing balance.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Review land-use plans and regulations and revise as needed to support additional live/work opportunities and home occupations, provided they are compatible with the existing neighborhood.

Provide live/work opportunities when compatible within existing neighborhood. 1BSLJOH
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Consider reducing the number of requiredvehicle parking spaces by up to 15% throughthe development of an approved trip reductionprogram.

Consider utilizing shared parking in mixed-useand transit-oriented developments.Design parking lots, where feasible, to includeclearly marked and shaded pedestrianpathways between transit facilities andbuilding entrances.

Implement applicable transportation demandmanagement programs and techniques. Install infrastructure within and adjacent to theproject site to ensure the safe passage of children to and from school.Encourage employers and employees to utilizethe Solano transit Authority’s rideshare matching system.Encourage employers and employees to participate in STA’s ridesharing and supportservices.

Provide jobs and economic revitalization thatimproves Vallejo’s jobs/housing balance.

Provide live/work opportunities whencompatible within existing neighborhood.

APPENDIX D Compliance Checklist for New Development
D-4 CITY OF VALLEJO
Topic Policy City Requirements Project Requirements Compliance Discussion Efficient and Alternative Fuel Vehicles Support the expanded use of efficient and alternative fuel vehicles.

Revise parking requirements for public and newly constructed commercial developments to include designated stalls for low-emitting, fuel-efficient vehicles and carpool/vanpool vehicles for a minimum of 8% of total parking capacity and to pre-wire stalls for future electric vehicle charging stations for 2% of total parking capacity.

Include designated stalls for low-emitting, fuelefficient vehicles and carpool/vanpool vehicles for a minimum of 8% of total non-residential parking capacity and pre-wire stalls for future electric vehicle charging stations for 2% of total parking capacity.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Encourage new gas stations and automotive uses to include biodiesel facilities and/or offer biodiesel retrofits to diesel vehicles.

Consider including alternative fuel stations within the project.

Water ConservationDevelopment Standards for Water Conservation Require water conservation in all new buildings and landscapes.

Per the minimum requirements of the 2010 CALGreen Code, ensure that all new non-residential buildings larger than 50,000 square feet install individual water meters for each tenant space projected to consume more than 100 gallons per day.

Install individual water meters for each tenant space projected to consume more than 100 gallons per day in all non-residential buildings larger than 50,000 square feet.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Per the minimum requirements of the 2010 CALGreen Code, ensure that all new non-residential facilities with 1,000 to 5,000 square feet of irrigated landscaped space provide an additional water meter or sub-meter for landscaping uses.

Provide an additional water meter or sub-meter for landscaping uses for all new non-residential facilities with 1,000 to 5,000 square feet of irrigated landscaped space.

Revise development standards to support the use of greywater, recycled water, and rainwater catchment systems in all zones.

Consider installing greywater, recycled water, and rainwater catchment systems if feasible.

Per the voluntary requirements of the 2010 CALGreen Code, encourage newly constructed development to treat at least 40% of the average annual rainfall on-site through low impact development strategies.

Implement low impact development strategies in new non-residential projects to treat a minimum of 40% of the average annual rainfall on-site.

Per the minimum requirements of the 2010 CALGreen Code, require a minimum of 20% of the total parking, walkway, and porch area surfaces serving single-family and multi-family residential buildings under 4 units to be permeable to facilitate on-site retention of water and reduce water run-off.

Facilitate on-site retention of water and reduce water run-off by installing permeable surfaces for a minimum of 20% of the total parking, walkway, and porch area surfaces serving single-family and multi-family residential buildings under 4 units.

Development Standards for Recycling and Composting
Require waste diversion and the use of recycled materials in new development.

Continue to update the City’s Construction/Demolition Waste Reuse and Recycling Ordinance as higher diversion rates become feasible, necessary, or required.

Comply with the City’s Construction/Demolition Waste Reuse and Recycling Ordinance.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Support the development of additional markets for recycled content products by requiring new developments to include recycled content materials at a minimum of 10% of total materials.

Incorporate recycled content materials for a minimum of 10% of total materials. 4QFDJGJD
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QFSTQFDUJWF Include designated stalls for low-emitting, fuelefficient vehicles and carpool/vanpool vehiclesfor a minimum of 8% of total non-residentialparking capacity and pre-wire stalls for futureelectric vehicle charging stations for 2% of total parking capacity.Consider including alternative fuel stationswithin the project. Install individual water meters for each tenantspace projected to consume more than 100 gallons per day in all non-residential buildingslarger than 50,000 square feet.Provide an additional water meter or sub-meterfor landscaping uses for all new non-residentialfacilities with 1,000 to 5,000 square feet ofirrigated landscaped space.Consider installing greywater, recycled water,and rainwater catchment systems if feasible. Implement low impact development strategiesin new non-residential projects to treat aminimum of 40% of the average annual rainfallon-site. Facilitate on-site retention of water and reducewater run-off by installing permeable surfacesfor a minimum of 20% of the total parking,walkway, and porch area surfaces servingsingle-family and multi-family residentialbuildings under 4 units.

Comply with the City’sConstruction/Demolition Waste Reuse andRecycling Ordinance. Incorporate recycled content materials for aminimum of 10% of total materials.

Compliance Checklist for New Development APPENDIX D
CLIMATE ACTION PLAN D-5
Topic Policy City Requirements Project Requirements Compliance Discussion Equipment Lawn & Garden Equipment Encourage the use of electrified and higherefficiency lawn and garden equipment.

Require new buildings to provide electrical outlets on the exterior in an accessible location to charge electric-powered lawn and garden equipment.

Install outdoor electrical outlets on the exterior of each building in an accessible location.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Encourage the replacement of high-maintenance landscapes (like grass turf) with native vegetation to reduce the need for gas-powered lawn and garden equipment.

Consider installing low-maintenance, native landscaping to minimize the need for gaspowered lawn and garden equipment.

Construction Equipment
Reduce emissions from heavy-duty construction equipment by limiting idling and utilizing cleaner fuels, equipment, and vehicles.

Idling times will be minimized either by shutting equipment off when not in use or reducing the maximum idling time to 5 minutes (as required by the California airborne toxics control measure Title 13, Section 2485 of California Code of Regulations [CCR]), or less. Clear signage will be provided at all access points to remind construction workers of idling restrictions.

Shut construction equipment off when not in use or reduce the maximum idling time to 5 minutes (as required by the California airborne toxics control measure Title 13, Section 2485 of California Code of Regulations [CCR]), or less.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Construction equipment must be maintained per manufacturer’s specifications. Maintain construction equipment per manufacturer’s specifications.

Planning and Building staff will work with project applicants to limit GHG emissions from construction equipment by selecting one of the following measures, at a minimum, as appropriate to the construction project:

Implement one of the following best practices to minimize construction related GHG emissions: Substitute electrified equipment for diesel- and gasoline-powered equipment where practical. Use alternatively fueled construction equipment on-site, where feasible, such as compressed natural gas (CNG), liquefied natural gas (LNG), propane, or biodiesel. Avoid the use on on-site generators by connecting to grid electricity or utilizing solarpowered equipment. Limit heavy-duty equipment idling time to a period of 3 minutes or less, exceeding CARB regulation minimum requirements of 5 minutes. a. Substitute electrified equipment for diesel- and gasoline-powered equipmentwhere practical.b. Use alternatively fueled construction equipment on-site, where feasible, such ascompressed natural gas (CNG), liquefied natural gas (LNG), propane, or biodiesel.c. Avoid the use on on-site generators by connecting to grid electricity or utilizingsolar-powered equipment.d. Limit heavy-duty equipment idling time to a period of 3 minutes or less,exceeding CARB regulation minimum requirements of 5 minutes.

Adaptation Adaptation Mainstreaming
Integrate potential climate change impacts into local planning documents and processes.

In development review, analyze and disclose possible impacts of climate change on the project or plan area, with an emphasis on sea level rise.

Review, analyze and disclose possible impacts of climate change on the project or plan area, with an emphasis on sea level rise.

Complies  Complies with Intent of Project Requirement  Not Applicable  Does Not Comply Review, analyze and disclose possible impactsof climate change on the project or plan area,with an emphasis on sea level rise.Limit heavy-duty equipment idling time to aperiod of 3 minutes or less, exceeding CARBregulation minimum requirements of 5 minutes.Maintain construction equipment permanufacturer’s specifications.Shut construction equipment off when not inuse or reduce the maximum idling time to 5minutes (as required by the California airbornetoxics control measure Title 13, Section 2485 ofCalifornia Code of Regulations [CCR]), or less.

Consider installing lo
w-maintenance, native
landscaping to minimize the need for gaspowered lawn and garden equipment. Install outdoor electrical outlets on the exteriorof each building in an accessible location.

\\kittelson.com\fs\H_Projects\29\29270 - Fairview Vallejo Site Modification\report\final\29270 Memo for Residential 245.docx March 13, 2024 Project #: 29270
Dan Sequeira
City of Vallejo Public Works Department
555 Santa Clara Street, Fourth Floor
Vallejo, CA 94590
RE: Fairview at Northgate Small Lot Tentative Plan – Trip Generation and EIR Considerations Dear Dan:

Vallejo-Fairview Developers, LLC is proposing a modification to the residential portion of the approved Fairview at Northgate site. The residential area is within the overall development that was approved by the City of Vallejo in 2020, including a certified Environmental Impact Report (EIR). Within the residential area, the EIR accounted for development of 178 homes to be located to the east of the commercial area.

Today, Vallejo-Fairview Developers, LLC, is proposing to increase the proposed residential density to allow for up to 245 homes in place of the 178 homes previously approved. Since the EIR was approved, other changes to the commercial area, including a reduction in retail square footage, have been approved that result in an overall reduction in vehicle trips as compared to the approved Fairview at Northgate EIR1.

Based on the previously approved changes to the commercial area and associated decrease in trip generation, there are additional trips available to support increased residential densities on the site.

This letter documents the anticipated change in the overall site trip generation potential associated with the residential modifications proposed at this time as well as those previously approved since the adoption of the EIR. As documented herein, we find the proposed changes would result in an increase of 14 weekday PM peak hour trips and 7 Saturday mid-day trips along with a reduction in weekday AM and midday peak hour trips. Based on these findings, we conclude that the trip changes collectively associated with the proposed residential density and prior approved site plan modification are negligible relative to the approved EIR trip generation assumptions and that no further transportation analyses should be needed to support the changes to the residential densities.

TRIP COMPARISON
The Transportation Impact Analysis (TIA) for the Fairview at Northgate development is documented in Appendix J2 of the EIR. Table 5B of the TIA documented the anticipated site generation associated with the overall site. For ease of review, a copy of Table 5B from the TIA is shown in Exhibit 1 below. As noted in Table 5A of the TIA, the trip generation associated with 178 homes was assessed using trip rates from the Institute of Transportation Engineers’ Trip Generation Manual, 9th Edition. 1 In a prior letter to the City of Vallejo Public Works Department dated August 30, 2023, we documented the anticipated decrease in site trip generation potential associated with the proposed removal of one of the previously approved retail buildings and construction of a Raising Cane’s restaurant on a pad site previously planned for use as a drive-through restaurant. City Planning Staff determined these changes to the commercial area were in substantial conformance with the project approvals in a Preliminary Review letter dated November 2, 2023. 2 Prepared by Fehr + Peers and dated December 2019
851 SW 6th Avenue, Suite 600
Portland, OR 97204
P 503.228.5230

Project #: 29270 Fairview at Northgate Small Lot Tentative Plan – Trip Generation and EIR Considerations Kittelson & Associates, Inc Page: 2
Exhibit 1. EIR TIA Trip Estimates (Source: Fairview at Northgate TIA, December 2019)

As proposed by Vallejo-Fairview Developers, LLC, the previously approved 178 homes would be replaced with 245 homes instead.

Table 1 presents a comparison of the trip generation for the proposed residential modifications for the site versus the number of residential trips documented in the EIR. Table 2 compares the increase in trip-making associated with the residential trips to the overall trip generation of the site documented in the EIR and the subsequently approved modifications that reduced retail square footage and associated trips. The new home trips presented in Table 2 are based on average trip rates identified in the current Trip Generation Manual, 11th Edition.

Table 1. Comparison of Trip Generation Estimates for Residential Only Land Use ITE
Code Homes
Average
Daily
Trips
Weekday AM Peak
Hour Weekday Mid-Day Weekday PM Peak Hour Saturday Mid-Day Total In Out Total In Out Total In Out Total In Out
Approved December 2019 EIR Trips (from TIA Table 5B)
Residential 210 178 1,690 133 33 100 150 94 55 173 109 64 161 87 74 Proposed 245 Home Site Plan (Trip Generation Manual, 11th Edition) Residential 210 245 2,310 172 43 129 147 75 72 230 145 85 225 122 103 Proposed Site Plan - Approved Residential Portion of EIR Increase in Residential Trips 620 39 10 29 -3 -19 17 57 36 21 64 35 29

Project #: 29270 Fairview at Northgate Small Lot Tentative Plan – Trip Generation and EIR Considerations Kittelson & Associates, Inc Page: 3
Table 2. Comparison of Trip Generation Estimates Relative to EIR Land Use
Average
Daily
Trips
Weekday AM Peak
Hour Weekday Mid-Day Weekday PM Peak Hour Saturday Mid-Day Total In Out Total In Out Total In Out Total In Out
Approved December 2019 EIR Trips (from TIA Table 5B)
Residential and Commercial
Uses 5,700 273 167 107 518 279 240 598 319 279 635 323 311 Trip Reductions Associated with Approved Modifications to Commercial Area Reduction in Retail Trips versus
those in EIR
-498 -40 -22 -18 -37 -18 -19 -43 -19 -24 -57 -28 -29
Proposed Residential Density Increase (from Table 1)
Increase in Trips from EIR 620 39 10 29 -3 -19 17 57 36 21 64 35 29 Proposed Site Plan - Previously Approved EIR and Subsequent Changes Net Changes of Increased
Residential and Decreased
Commercial Densities
122 -1 -12 11 -40 -37 -2 14 17 -3 7 7 0
Resulting Total Site Trips 5,822 272 155 118 478 242 238 612 336 276 642 330 311 As shown, the proposed modifications to the residential portion of the site plan as well as the previously approved modifications to the retail component collectively result in a trip reduction during weekday AM and mid-day PM hours and a slight increase in trips over the course of a typical weekday as well as the weekday PM peak and Saturday mid-day peak hours. As shown, the increase in trips is less than 20 vehicles per hour and the distribution of those trips to the overall transportation system would likely not result in any material change to the findings of the EIR. For this reason, we conclude that the proposed residential density increase as well as the previously approved modifications to the site plan result in trip changes that are negligible/remain consistent with the EIR and that no additional analyses nor mitigation measures are needed.

SUMMARY
As summarized herein, we conclude that the impacts associated with the proposed site plan changes were fully mitigated as part of the EIR and no additional analyses nor mitigation measures are needed.

Please let us know if you have any questions regarding our review.

Sincerely,
KITTELSON & ASSOCIATES, INC.

Chris Brehmer Julia Kuhn
Principal Principal
Cc: Danny Luu, Vallejo-Fairview Developers, LLC

Appendix 1 Proposed Site Plan

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D STREET C STREET

B STREET

E STREET

F STREET

G STREET CURVE TABLE CURVE TABLE
3350 Scott Boulevard, Building 22
Santa Clara, California 95054
Phone: (408) 727-6665
www.kierwright.com
FEB, 2024
OF _ SHEETS SHEET DATE SCALE DESIGNER JOB NO. A18575
NO. REVISION NO. BY REVISION BY

FAIRVIEW AT NORTHGATE

VESTING TENTATIVE MAP PNB

VALLEJO, CALIFORNIA
OF

FOR DRAWN BY IVW AS SHOWN
APN: 0091-490-010
PROPOSED TENATIVE MAP C3.0 TYPOLOGY PLAN TYPE PLAN GROSS SF# TOTAL DU TOTAL BUILDING GROSS SF BUNGALOWS 1A 2,178 42 91,476 2A 2,091 42 87,822 3A 2,181 42 91,602 SUBTOTAL 126 270,900 SINGLE FAMILY (MIN LOT DIMS 33.5'X84') 1A 2,756 39 107,484 2A 2,892 40 115,680 3A 2,958 40 118,320 SUBTOTAL 119 341,484 TOTAL 245 612,384 FLOOR AREA, GROSS: THE TOTAL AREA OF ALL SINGLE FAMILY DWELLINGS, GROSS FLOOR AREA SHALL INCLUDE THE SINGLE FAMILY DWELLING, ACCESSORY DWELLING UNITS, JUNIOR ACCESSORY DWELLING UNITS, GARAGES, PORCHES, DECKS, AND ALL BUILDINGS ON A LOT. PARKING PROVIDED RATIO RESIDENTIAL GARAGE 490 PARKING STALLS/DU ON-STREET 255 ACCESSIBLE 7 TOTAL 752 3.07 *ACCESSIBLE PARKING COUNT PER CALIFORNIA BUILDING CODE 11B-208.2 AND 11B-208.2.4 **ACCESSIBLE PARKING STALLS ACCOUNT FOR 2% OF THE TOTAL NUMBER OF PARKING SPACES NEIGHBORHOOD UNIT NAME DESCRIPTION GARAGE APPROX. NET SF # TOTAL DU % TOTAL DU TOTAL NET SF BUNGALOWS 1A 3BD/2BA SIDE X SIDE 1,590 42 17% 66,780 2A 4BD/3BA SIDE X SIDE 1,608 42 17% 67,536 3A 4BD/3BA SIDE X SIDE 1,699 42 17% 71,358 SUBTOTAL 126 51% 205,674 SINGLE FAMILY 1A 4BD/2.5BA, OPT. LOFT SIDE X SIDE 2,241 39 16% 87,399 2A 5BD/4BA, LOFT SIDE X SIDE 2,341 40 16% 93,640 3A 4BD/3BA, LOFT SIDE X SIDE 2,350 40 16% 94,000 SUBTOTAL 119 49% 275,039 TOTAL 245 480,713 AVERAGE UNIT SIZE 1,972 DENSITY ±10.9 DU/GROSS AC NORTH A B TYPICAL BUILDING SETBACK DETAIL (LICENSED PRODUCT) LOTS 1-119 TYPICAL BUILDING SETBACK DETAIL (BUNGALOW PRODUCT) LOTS 120-161

Kier + Wright | Page 1
3350 Scott Boulevard, Building 22,
Santa Clara, CA 95054
925.245.8788
www.kierwright.com
Technical Memo
Date: June 23, 2025
Project No.: A18575-009
From: Paul Boumann, PE (Kier + Wright)
Subject: Fairview At Northgate Sewer Flow and Water Demand Analysis
EXECUTIVE SUMMARY:

The purpose of this technical memorandum is to adjust the calculations to the sewer and water flows done by West Yost and Associates, due to the elimination of a retail building on the proposed commercial site and the increase of dwelling units in the proposed residential development, for the Fairview At Northgate project (Project). The same unit factors were used when calculating the peak sewer flow (PSF) and the water demands for the modified Project. The unit factors came from the EIR Appendix K, West Yost Technical Memorandum for sanitary sewer impacts and potable water demands, dated 5/10/2019 and 1/31/2019, respectively.

PROJECT DESCRIPTION:

The proposed Project is located within a suburban and urban environment in the City of Vallejo (City). The proposed Project is bound on the north by Turner Parkway, to the east by Foothill Drive with a residential area, to the south by Sundance Apartments and Avery Greene Honda, and to the west by Admiral Callaghan Lane and I-80. Currently the proposed Project area encompasses approximately 51.3 acres of undeveloped vacant land. The Project is planned to include commercial, residential, parks, and open space land uses. The commercial area, to be located on the western side of the site, will be approximately 21.8 acres. The proposed commercial area, to the north, has been reduced from 4 buildings to 3 buildings, and a Costco to the south. The residential area, to be located on the eastern side of the site, will be approximately 23.8 acres, including the 1.6+/- acres of neighborhood parks.

The Project shall consist of 126 detached cluster style homes and 119 single family detached dwelling units (245 DU total). This is an increase of 70 DU’s from the 175 Du’s used to calculate sewer flows and water demand, by West Yost technical memorandums stated above.

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Kier + Wright | Page 2

SANITARY SEWER FLOW CALCULATIONS
K+W has incorporated the same sewer flow factors and formulas as are shown in the West Yost (WY) Technical Memo, as stated above.

Sanitary Sewer Capacity Analysis:
1) PSF = (SF)0.97 (e)0.33 for average sanitary flow ≥ 0.1 mgd 2) PSF = (SF)(e) Average sanitary flow ≤ 0.1 mgd
Where PSF = peak sanitary flow, mgd or gpd
SF = average sanitary flow, mgd or gpd
e = natural log (2.7183)
For Commercial Use:

A. COSTCO Building –
Average daily flow = 7,824 gpd (Per WY Technical Memo)
Since 7,824 gpd < 0.1 mgd
PSF = (SF)(e)
PSF = (7,824)(2.7183)
PSF = 21,267.98 gpd use 21,268 gpd
B. Shops and Retail Buildings (Retail buildings have been reduced to three buildings, reducing retail area by 9,195 SF)
The building area is = 27,940 SF (Per WY) – 9,195 SF = 18,745 SF Assumed Land use co-efficient of 0.006 cfs/acre (per WY Technical memo) for general commercial.

Average daily flow = (0.006)(18,745 sf) (1 ac/43560 sf)(1 mgd/1.55 cfs) (1,000,000 gpd/1 mgd)
Average daily flow = 1,665.78 gpd < 0.1 mgd
PSF = (SF)(e)
PSF = (1,665.78)(2.7183)
PSF = 4,528.08 gpd, use 4,528 gpd

Kier + Wright | Page 3
Since all buildings are clustered on one site,
PST total = PSF for COSTCO + PSF for Shop and Retail + Infiltration Infiltration = 600 gpd/acre
Commercial site area = 769,980 sf = 17.68 acre
Infiltration = (600 gpd/acre) (17.68 acre) = 10,608 gpd Therefore, PSF total = 21,268 + 4,528 + 10,608 = 36,404 gpd For Residential Use:

No. of Planned Residential Use Units (R1) = 245 units,
Average Daily Discharge = 80 gallons/person/day
Average day for residential – 20 gallons/person/day for commercial Where average family unit = 2.7 persons/unit
Average daily discharge = (245 units)(2.7 person/unit)(80 gallons/person/day) Average daily discharge = 52,920 gpd < 0.1 mgd
PSF = (SF)(e)
PSF = (52,920 gpd)(2.7183)
PSF = 143,852 gpd
PSF Total = PSF Residential + Infiltration
Infiltration = 600 gpd/acre (per WY Technical memo)
Residential site area = 23.8 acre
Infiltration = (600 pgd/acre) (23.8 acre)=14,280 gpd
Therefore, PSF total = PSF Residential + Infiltration
PSF Total = 143,852 + 14,280
PSF Total = 158,132 gpd
Final Results for Peak Sanitary Flow (PSF):

PSF for Commercial site = 36,404 gpd (reduction of 2,113 gpd( 0.003 cfs) PSF for Residential site = 158, 132 gpd (increase of 41,100 gpd (0.06 cfs)

Kier + Wright | Page 4

PROJECT WATER DEMAND
Factors below are based on Technical Memorandum done by West Yost Associates, as specified above.

Table 2. Proposed Project Demands – 2015 UWMP (Method 1) Proposed Land Use Quantity, units(a) Adjusted Annual
Demand Factor, units(b)
Projected Water
Demand, AFY(c)
Single Family Residential 245 DU 84 CCF/DU 47.2
Commercial 4 Meters 449 CCF/meter 4.1
Park 2 Meters 1,230 CCF/meter 5.6
Open Space 0 Meters - -
Losses(d) 5
Total 56.9
Single Family Residential(e) 500 (DU) 84 107
(a) Land Use data based on Overall Site Plan, dated September 2018, minus 1 retail building for Commercial and updated VTM, dated 7/8/2024
(b) From City’s 2015 UWMP Appendix B. Baseline Demands are adjusted for plumbing code and appliance standards, implementation of demand management measures, real cost of water, and water loss management.
(c) AFY = Acre-feet per year
(d) Losses assumed to be 10 percent based on Table 26 in 2015 UWMP Appendix B. (e) Includes unaccounted-for water at 10 percent of supply. (f) DU – Dwelling Units
(g) CCF – 100 Cubic Feet

Kier + Wright | Page 5
Table 3. Proposed Project Demands – 2015 UWMP with
Refined Costco and Irrigation Demands (Method 2)
Proposed Land Use Quantity, units(a) Adjusted Annual
Demand Factor, units(b)
Projected Water
Demand, AFY(c)
Single Family Residential 245 DU 84 CCF/DU 47.2
Commercial 3 Meters 449 CCF/Meter(b) 3.1
Costco(d) 1 Warehouse 4,027,820
gal/warehouse

12.4 Commercial Irrigation(e) 3.3 Acres 1.55 ac-ft/Acre 5.1 Park Irrigation(f) 1.3 Acres 3.44 ac-ft/Acre 4.5
Open Space 0 Meter - -
Losses(g) 7
Total 79.3
Single Family Residential(h) 500 (DU) 84 CCF/DU(b) 107
(a ) Land Use data based on Overall Site Plan, dated September 2018, minus 1 retail building for Commercial and updated VTM, dated 7/8/2024
(b) From City’s 2015 UWMP Appendix B. Baseline Demands are adjusted for plumbing code and appliance standards, implementation of demand management measures, real cost of water, and water loss management.
(c) AFY = Acre-feet per year
(d) Provided by Costco on January 14, 2019.
(e) Refer to WY Technical Memo, Attachment A.
(f) Refer to WY Technical Memo, Attachment A.
(g) Losses assumed to be 10 percent of supply based on Table 26 in 2015 UWMP Appendix B. (h) Includes unaccounted-for water at 10 percent of supply. (i) DU – Dwelling Units
(j) CCF – 100 Cubic Feet
CONCLUSION:

The following peak sewer flows and potable water demands are based on the updated Project building numbers. The number of retail stores, not including Costco, went from 4 buildings to 3 buildings and the residential units increased from 175 DU’s to 245 DU’s. This resulted in the following changes to both the sewer discharge flows and potable water demands, when compared to the West Yost technical memorandums listed as references above:

Peak Sewer Flow (PSF) for the commercial site reduced by: 38,517 gpd (WY) – 36,404 gpd (K+W) = 2,113 gpd (0.0033 cfs)
Peak Sewer Flow (PSF) for the residential development increased by: 158,132 gpd (K+W) – 117,032 gpd (K+W) =41,100 gpd (0.06 cfs)

Kier + Wright | Page 6
Proposed potable water demand based on Method 1, increased from: 50.1 AFY (WY) to 56.9 AFY (K+W) Proposed potable water demand based on Method 2, increased from: 67.4 AFY (WY) to 79.3 AFY (K+W) The decrease in sewer flow for the updated commercial site should not be an issue since it is a reduced flow from the West Yost memo.

The increase in sewer flow from the proposed 245 DU residential development should not be an issue either since the existing 12” sanitary sewer system within Turner Parkway has 10 feet of freeboard, refer to Table 1, “Water Surface Elevation (WSE) Summary”, of the West Yost Memo for sanitary sewer impacts.

Per Table 2 PWWF (Peak Wet Weather Flow) Summary of the West Yost Memo, Pre-Project PWWF = 6.36 cfs.

Based on the updated Project the Post-Project PWWF=0.06 cfs (36,404 gpd) + 0.24 cfs (158,132 gpd) + 6.36 cfs =

6.66 cfs total. The existing 24” sanitary sewer pipe within Turner Parkway just downstream of the commercial site, with a slope of 0.0016 has a capacity of 10.69 cfs > than the 6.66 cfs and therefore the added sewer discharge based on the updated Project development should not create a negative impact to the existing sewer infrastructure. See attached Mannings hydraulic calculator for existing 24-inch sanitary sewer capacity.

The proposed project water demand based on Methods 1 and 2 are both below the 107 AFY demand projections for a 500-single family residential unit development.

RESOLUTION NO. PC 26-XX

A RESOLUTION OF THE CITY COUNCIL APPROVING A VESTING TENTATIVE MAP AMENDMENT (TM24-0002), DEVELOPMENT REVIEW (DVR24-0021), DESIGN REVIEW (DR24-0008) AND LANDSCAPE REVIEW (LR24-0021) FOR THE FAIRVIEW

AT NORTHGATE DEVELOPMENT PROJECT
* * * * * * * * * * * * * * * * * * * * * * * * *
WHEREAS, on August 29, 2017, the City Council adopted General Plan 2040 and Certified the Environmental Impact Report (EIR); and
WHEREAS, on June 9, 2020, the City of Vallejo City Council adopted Resolution No. 20-065 N.C to certify an Environmental Impact Report (“EIR”)(State Clearing House [SCH]# 2018102007) for the Fairview at Northgate Project and approved a Zoning Map Amendment (ZMA17-0001), Vesting Tentative Map (TM17-002), Planned Development (PD17-0007) and Use Permit (UP18-0007) to approve the mixed-use project located on a single vacant 51.29-acre parcel at Admiral Callaghan Lane and Turner Parkway (the “Subject Property”) known as the “Fairview at Northgate Master Plan” and commonly referred to as the “Planned Development”; and
WHEREAS, the 2020 Planned Development main components include a 152,138- square-foot Costco store with a tire center, gasoline sales, and 774 surface parking spaces; a commercial center with four buildings totaling 27,500 square feet, including a drive-through restaurant and 188 surface parking spaces; 178 two-story single-family dwellings; a central open space buffer including protected wetlands between the commercial and residential portions of the project; and the widening of Admiral Callaghan Lane from two to four lanes, including a new traffic signal at the main Costco driveway; and
WHEREAS, on July 22, 2021, the City Council adopted the new Zoning Code and Zoning Map to incorporate the new VMC Title 16 (Zoning Code) for land use regulations and development standards applicable to the Plan area; and WHEREAS, the Subject Property has a current General Plan land use designation of Mix of Housing Typer/Medium Density (R-MH); and
WHEREAS, on June 5, 2024, the applicant formally applied for a Vesting Tentative Map Amendment (TM24-0002), Development Review (DVR24-0021), Design Review (DR24-0008), Landscape Review (LR24-0015), and Fairview at Northgate Planned Development Master Plan Amendment (PD24-0002) (collectively, the “Project”) to increase the residential component of the project from 178-units to 245-units; and WHEREAS, September 10, 2024, after multiple rounds of review, the application was determined to be complete; and
WHEREAS, on March 11, 2025, the City retained LSA to prepare an Addendum to the Fairview at Northgate Project Certified EIR for the Project to analyze the potential

environmental impacts resulting from the proposed Project. The Addendum, dated August 2025, and entitled “Addendum to the Fairview at Northgate Master Plan EIR,” was prepared pursuant to CEQA Guidelines Section 15164; and WHEREAS, on March 27, 2026, pursuant to Vallejo Municipal Code Section

16.602.08(A), notice of this hearing was mailed to all active neighborhood groups and property owners within 500 feet of the Subject Property, the property owners, the Vallejo City Unified School District and any other local agency expected to provide water, wastewater treatment, streets, roads, schools, or other essential facilities or services to the Project and electronically mailed to the members of the Planning Commission, to the applicant and interested parties; and
WHEREAS, On March 29, 2026, notice of this hearing was published as a 1/8-page display advertisement in the Times Herald; and
WHEREAS, on March 30, 2026, notice of this hearing was posted at three different locations on the Project Site; and
WHEREAS, on April 20, 2026, after giving public notices required by State Law and the City of Vallejo Municipal Code, the Planning Commission conducted a duly noticed public hearing and voted 5-0, with one absence, to adopt Resolution No. PC26-09, recommending approval of an Addendum to the Fairview at Northgate Certified Environmental Impact Report to the City Council; and
WHEREAS, by separate resolution, No. PC26-08, adopted prior hereto, the Planning Commission considered and recommended that the City Council consider the Addendum to the previously certified EIR for the Fairview at Northgate project (SCH# 2018102007), and did consider the Addendum prior to making a recommendation on the project; and WHEREAS, on May 5, 2026, pursuant to Vallejo Municipal Code Section

16.602.08, notice of this hearing was published as a 1/8-advertisment display in the Times Herald and mailed to all active neighborhood groups and property owners within 500 feet of the subject property, the property owners, the Vallejo City United School district and all other local agencies expected to provide water, wastewater treatment, or other essential facilities or services to the Project and electronically mailed to the members of the City Council and Planning Commission, and to applicant and interested parties.

WHEREAS, the City Council held a public hearing on May 26, 2026, to consider and receive testimony on the proposed project.

NOW, THEREFORE, LET IT BE RESOLVED that the City Council hereby finds, determines, and resolves as follows:

Section 1. Recitals.

The foregoing recitals are true and correct, and the same are incorporated herein by reference.

Section 2. Record
The Record of Proceedings ("Record") upon which the City Council bases its recommendation includes but is not limited to: (1) the Addendum to the Fairview at Northgate Master Plan EIR; (2) the staff reports, City files and records and other documents prepared for and/or submitted to the City relating to the Addendum and the Project entitlements; (3) the application, including all designs, plans, studies, data and correspondence submitted to the City in connection with the Project; (4) the evidence, facts, findings and other determinations set forth in this resolution; (5) Vallejo General Plan 2040 and its certified final Environmental Impact Report (“GP EIR”); (6) the 2021 Zoning Code and its Initial Study and Mitigated Negative Declaration; (5) the Vallejo 2023-2031 Housing Element and the Addendum to the GP EIR; (7) the Vallejo Municipal Code; (8) all documentary and oral evidence received at public meetings, hearings, or submitted to the City during the comment period relating to the Project; and (9) all other matters of common knowledge to the City Council including, but not limited to, City state, and federal laws, policies, rules, regulations, reports, records, and projections related to development within the City of Vallejo and its surrounding areas.

The location and custodian of the records is the City Clerk’s Office located on the third floor City Hall of Vallejo, 555 Santa Clara Street, Vallejo, California 94590.

Section 3. Vesting Tentative Map Findings

1. Is consistent with the goals and policies of the Vallejo general plan and any applicable specific plans; and
Facts in support: The project site has a land use designation of R-MH, which applies to residential neighborhoods largely characterized by single‐ family homes but with a mix of other housing types, including duplexes, triplexes, fourplexes. The maximum permitted residential density in the R-MH land use designation is 25 units per acre.

As proposed, the Project would construct 245 additional single-family dwellings units on a vacant and underutilized infill site adjacent to existing residential development.

Regarding density, the proposed project would yield an average density of 10.6 dwelling units per acre; meeting the maximum density allowed for the site as set forth in the General Plan. The Project is consistent with the goals and policies of the Vallejo General Plan, as shown in Exhibit B of this Resolution.

There is no specific plan applicable to the Project.

2. Conforms with this title and the zoning ordinance; and Facts in support: The proposed Amended Vesting Tentative Map proposes to subdivide a vacant parcel, totaling 23.19-acres, into 161 residential parcels, three for private alleys, one for the neighborhood park and one for the linear park and one for one bio-retention basin. The Amended Vesting Tentative Map is consistent with the