REGULAR AGENDA (PART 2)
NEW BUSINESS
12. A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF COMPTON ADOPTING MITIGATED NEGATIVE DECLARATION 951 AND MITIGATION
MONITORING AND REPORTING PROGRAM AND APPROVING GENERAL
PLAN AMENDMENT CASE NO. 2021-001, RELATING TO A REQUEST TO
CHANGE THE LAND USE DESIGNATION FROM MIXED USE (MU) TO
GENERAL COMMERCIAL (GC) FOR THE PROPERTY LOCATED AT 930 WEST
COMPTON BOULEVARD
JUNE 28, 2022
TO: HONORABLE MAYOR AND COUNCIL MEMBERS
FROM: COMMUNITY DEVELOPMENT DEPARTMENT
SUBJECT: A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF COMPTON ADOPTING MITIGATED NEGATIVE DECLARATION 951 AND MITIGATION
MONITORING AND REPORTING PROGRAM AND APPROVING GENERAL
PLAN AMENDMENT CASE NO. 2021-001, RELATING TO A REQUEST TO
CHANGE THE LAND USE DESIGNATION FROM MIXED USE (MU) TO
GENERAL COMMERCIAL (GC) FOR THE PROPERTY LOCATED AT 930
WEST COMPTON BOULEVARD
SUMMARY
City Council will consider a request to approve general plan amendment case no. 2021-001, a request to change the land use designation from Mixed Use (MU) to General Commercial (GC) on a 2.45-acre Successor Agency owned lot located at 930 W. Compton Blvd
BACKGROUND
On May 11, 2022, the Planning Commission held a public hearing on the above-listed request. After due consideration, the Planning Commission voted to not recommend approval to the City Council of Mitigated Negative Declaration (MND) No. 951, Mitigation Monitoring and Reporting Program (MMRP) and General Plan Amendment Case No. 2021-001. The project also is requesting approval of a Change of Zone, Conditional Use Permit and Tentative Tract Map applications.
PROJECT DESCRIPTION
The City Ventures Company is requesting the approval of the above general plan amendment application to change the land use designation from Mixed Use (MU) to General Commercial (GC) to develop a gated 60-unit three-story condominium community on a vacant 2.45-acre successor agency owned property located at 930 W. Compton Blvd. (southeast corner of Compton Blvd. and Kemp Avenue).
STATEMENT OF THE ISSUE
General Plan Amendment
The applicant is proposing a General Plan Amendment (GPA) for three specific reasons:
1. To bring the existing General Plan land use designation for the site into a higher level of consistency with the existing Limited Commercial zoning.
2. To remove the existing general plan designation of Medium Density Residential and replace it with the General Commercial land Use designation. The existing Medium Density Residential land use designation has a maximum density of 17 units per acre whereas the General Commercial land use designation has a maximum density of 29 units. This will permit the proposed project density of 25 units per acre.
1. Staff Report – City Council General Plan Amendment Case No. 2021-001 and MND No. 951 June 28, 2022
The proposed GPA to General Commercial is appropriate for the site and the surrounding area as the site is currently zoned Limited Commercial. The surrounding area is a combination of traditional single-family detached residential and multi-family residential development to the south, west and east. To the north is commercial zoning and development. The proposed GPA will allow the proposed project to develop a vacant successor agency owned property into 50 new market rate and 10 affordable housing units.
A Mitigated Negative Declaration was prepared for the project. The Initial Study/Mitigated Negative Declaration No. 951 was posted with the Los Angeles County Clerk’s office in Norwalk, circulated for a 20-day public review period from November 16, 2021 to December 5, 202. The proposed project will not cause any negative impacts.
FINANCIAL IMPACT
None. No City funds will be used for this project.
RECOMMENDATION
Staff recommends the City Council approve General Plan Amendment Case No. 2021-001
ROBERT DELGADILLO, SENIOR PLANNER
COMMUNITY DEVELOPMENT DEPARTMENT
APPROVED FOR FORWARDING:
THOMAS THOMAS
CITY MANAGER
RESOLUTION NO. ______________
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF COMPTON ADOPTING MITIGATED NEGATIVE DECLARATION 951 AND
MITIGATION MONITORING AND REPORTING PROGRAM AND
APPROVING GENERAL PLAN AMENDMENT CASE NO. 2021-001,
RELATING TO A REQUEST TO CHANGE THE LAND USE DESIGNATION
FROM MIXED USE (MU) TO GENERAL COMMERCIAL (GC) FOR THE
PROPERTY LOCATED AT 930 WEST COMPTON BOULEVARD
WHEREAS, The City Ventures Company has made application for a General Plan Amendment in accordance with Section 30-28 of the Compton Municipal Code to change the land use designation from Medium Density Residential to General Commercial for the certain real property situated in the City of Compton, legally described as follows:
APN: 6161-001-902 (930 W. Compton Blvd.)
WHEREAS, General Plan Amendment Case No. 2021-001 was processed in accordance with Compton Municipal Code (CMC) 30-28; and WHEREAS, legal notice has been provided regarding this project in accordance with Section 65090 of the California Government Code; and
WHEREAS, all environmental documents were processed in accordance with the California Environmental Quality Act (CEQA) (Public Resources Code, Division 13 §21000 et seq.; and
WHEREAS, That the notice of intent along with the Initial Study/Mitigated Negative Declaration No. 951 was posted with the Los Angeles County Clerk’s office in Norwalk, circulated for a 20-day public review period from November 16, 2021 to December 5, 2021 and posted on the City’s website; and
WHEREAS, the City Council has reviewed and consider the Initial Study/Mitigated Negative Declaration No. 951, the Mitigation Monitoring and Reporting Program, and any comments provided thereon; and
WHEREAS, the general plan amendment will facilitate the development of a gated 60- unit condominium project with affordable housing on a vacant successor owned property; and WHEREAS, the public hearing notice was also advertised and published in the local Compton Bulletin newspaper on June 22, 2021 and
WHEREAS, a public hearing upon said request for a general plan amendment was held before the Planning Commission on December 8, 2021 and May 11, 2022 and the Planning Commission voted to not recommend approval; and
WHEREAS, evidence was heard from all persons interested in effecting said change of zone and all persons protesting same, and the City Council being fully informed:
WHEREAS, a public hearing was held by the City Council upon said request for general plan amendment Case No. 21-001 was held before the City of Compton City Council on June 28, 2022; and
F I N D S
Mitigated Negative Declaration:
1. That in accordance with the California Environmental Quality Act (CEQA) (Public Resources Code, Division 13 §21000 et seq.) an Initial Study for the project was prepared that identifies and evaluates the environmental impacts of the project.
2. That the City of Compton, in its capacity as Lead Agency, has determined that the proposed project requires a Mitigated Negative Declaration as part of its environmental review.
RESOLUTION NO. _________________
3. That the notice of intent along with the Initial Study/Mitigated Negative Declaration No. 951 was posted with the Los Angeles County Clerk’s office in Norwalk, circulated for a 20-day public review period, mailed to abutting property owners and posted on the City’s website.
4. That all environmental documents have been processed in accordance with the California Environmental Quality Act (CEQA) guidelines.
5. That the approval and subsequent implementation of the proposed project will not have the potential to degrade the quality of the environment with the implementation of the conditions of approval.
6. That the approval and subsequent implementation of the proposed project will not have the potential to achieve short-term goals to the disadvantage of long-term environmental goals with the implementation of the conditions of approval.
7. That the approval and subsequent implementation of the proposed project will not have impacts that are individually limited, but cumulatively considerable, when considering the proposed development in the immediate vicinity with the implementation of the conditions of approval.
8. That the approval and subsequent implementation of the proposed project will not have environmental effects that will adversely affect humans, either directly or indirectly with the implementation of the conditions of approval.
General Plan Amendment
A. That the proposed General Plan land use amendment from Medium Residential Density (MRD) to General Commercial (GC) will be in substantial conformance with the existing zoning classification of Limited Commercial and will achieve consistency between the General Plan and Zoning Map.
B. That proposed General Plan land use amendment to General Commercial (GC) is more suitable for the subject site in that the new land use designation will be consistent with existing land use patterns of residential development in that the proposed redevelopment of the site for a high density attached residential development on a lot that has been vacant for several years.
C. That the proposed General Plan land use designation amendment from Medium Residential Density (MRD) to General Commercial GC) will not be detrimental to the surrounding area in that the site is suitable for attached high density residential development. The project will eliminate the blight caused by the existing vacant lot and provide greater housing opportunities.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF COMPTON RESOLVES:
Section 1. The City Council adopted Mitigated Negative Declaration No. 951, made appropriate environmental findings, and adopted a Mitigation Monitoring and Reporting Program for the Project. The documents and other material that constitute the record on which this decision is based are located in Department of Community Development the and are in the custody of the Department of Community Development .
Section 2. If any section, subsection, subdivision, sentence, clause, phrase, or portion of this resolution or the application thereof to any person or place, is for any reason held to be invalid or unconstitutional by the final decision of any court of competent jurisdiction, the remainder of this resolution shall remain in full force and effect.
Section 3. That this resolution to change the general plan land use designation from Medium Density Residential to General Commercial for property located at located at 930 W.
Compton Blvd. is hereby adopted and shall be in immediate full force after the date of its final passage and adoption by the City Council.
Section 4. That a copy of this resolution shall be filed in the offices of the City Clerk, Building & Safety and Community Development Department (Planning).
Section 5. The Mayor shall sign and the City Clerk shall attest to the adoption of this resolution.
RESOLUTION NO. ________________
ADOPTED this _________ day of _______________, 2022.
________________________________
MAYOR OF THE CITY OF COMPTON
ATTEST:
___________________________________
CITY CLERK OF THE CITY OF COMPTON
STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss
CITY OF COMPTON )
I, Alita Godwin, City Clerk of the City of Compton, do hereby certify that the foregoing resolution was adopted by the City Council of the City of Compton, signed by the Mayor and attested by the City Clerk at a regular meeting thereof held on the ______ day of _______, 2022.
That said resolution was adopted by the following vote, to wit:
AYES: COUNCIL MEMBERSNOES: COUNCIL MEMBERSABSENT: COUNCIL MEMBERSABSTAIN: COUNCIL MEMBERS- ___________________________________
CITY CLERK OF THE CITY OF COMPTON
Concord Residential Project Page 1 City of Compton
INITIAL STUDY (IS) & MITIGATED NEGATIVE
DECLARATION FOR THE
CONCORD RESIDENTIAL PROJECT
MND-950
BACKGROUND INFORMATION AND PROJECT DESCRIPTION:
1. Project Case Number(s): General Plan Amendment – GPA 21-001 Change of Zone – COZ 21-003
Conditional Use Permit – CUP 21-008
Tentative Tract Map 82807 – TTM 21-001
2. Project Title: Concord Residential Project (the “Project”)
3. Public Comment Period: November 16, 2021 – December 6, 2021
4. Lead Agency: City of Compton
Robert Degadillo, Community Development Department
205 South Willowbrook Avenue
Compton, CA 90220
(310) 605-5532
[email protected]
5. Prepared By: Diane Jenkins, AICP
McKenna Lanier Group, Inc.
(909) 519-8887
[email protected]
6. Project Sponsor:
Applicant/Developer Property Owner
Kim Prijatel
Senior Vice President of Development
City of Compton
City Ventures
3121 Michelson Drive, Suite 150 205 South Willowbrook Avenue Irvine, CA 92612 Compton, CA 90220
(949) 258-7540
[email protected]
7. Project Location: The Project site is located at 930 West Compton Boulevard, bounded by West Compton Boulevard to the north, West 151st Street to the south, South Kemp Avenue to the east, and South Dwight Avenue to the west, in the City of Compton, County of Los Angeles, California, as shown in Figure A – Aerial. The site is in Township 3 South, Range 13 West, San Bernardino base and meridian, and comprises Tax Assessor parcel number 6161-001-902.
Concord Residential Project Page 2 City of Compton
8. Existing General Plan Vision 2010: Medium Density Residential (8.1 to 17 du/acre net)
The Medium Density Residential (MDR), General Plan designation, allows for residential development up to 17 units per net acre and a population density of up to 66 persons per acre. Development typically consists of low-rise apartments, townhomes and condominiums, and single-family patio homes on small lots. Uses and development densities permitted in the Low-Density Residential category are also appropriate for Medium Density Residential areas (see Figure B – General Plan).
9. Existing Zoning: C-L – Limited Commercial & P – Automobile Parking The Limited Commercial Zone (C-L) is established to provide neighborhood, community, and regional retail business areas with related uses. The Automobile Parking Zone (P) is established to provide for off-street parking for residential, commercial, industrial, public, and other uses in the City (see Figure C – Zoning).
Currently, the existing zoning is not consistent with the General Plan.
10. Surrounding Land Uses and Setting:
Land Use General Plan Zoning
Project
Site Vacant Medium Density Residential
C-L – Limited Commercial & P – Automobile
Parking
North
West Compton Boulevard with Existing Commercial and Single-Family Residential Uses Beyond Mixed-Use C-L – Limited Commercial
South Existing Single-Family
Homes Low-Density Residential R-M – Medium-Density Residential East Small Lot Single-Family
Town Homes
Medium-Density ResidentialC-L – Limited Commercial
West
Existing Commercial/DNA Liquor Store &
Single-Family Residential
Uses
Mixed-Use
C-L – Limited Commercial & R-L – Low-Density
Residential
11. Description of the Site and Project:
Environmental Setting
The Project site consists of approximately 2.45 acres of vacant land. A records review of aerial photography performed for the Phase I Environmental Site Assessment prepared by Stantec Consulting Services, Inc. determined the Project site was used for light agricultural purposes between 1928 and 1963. Then by 1977, the property was developed with a convalescent hospital and associated parking.
By 2005 the convalescent hospital had been demolished, and the property has been vacant ever since. It is noted that the City Planning Commission adopted Resolution 3828 on June 13, 2007, for a Conditional Use Permit (CUP) case number 2589, Variance case number 2590, and Tentative Tract Map 67558 to build a Planned Unit Development of 41 townhouse units. However, this project was not built.
Concord Residential Project Page 3 City of Compton
The site is bounded by West Compton Boulevard to the north, South Kemp Avenue to the east, South Dwight Avenue to the west, and West 151st Street to the south.
Curb, gutter, and sidewalk already exist on West Compton Boulevard, South Kemp Avenue, and South Dwight Avenue. As well, seven (7) mature trees exist in the right-of-way on West Compton Boulevard. The trees include five (5) Ficus (Moraceae) and two (2) Jacaranda mimosifolia trees.
Regionally, the subject site is in the Peninsular Ranges geomorphic province, characterizing southern California’s southwest portion. It is in these areas where major right-lateral active fault zones predominately trend northwest to southeast. The Peninsular Ranges province comprises plutonic and metamorphic rock, with lesser amounts of Tertiary volcanic and sedimentary rock, Quaternary drainage in-fills, and sedimentary veneers.
The Project site is underlain by undocumented artificial fills and young Quaternary alluvium. Elevations onsite range between approximately 81 feet to 85 feet above mean sea level, with a relative low point near the site’s northeast corner. Existing site drainage is generally directed as sheet flow in the northeast direction and overflows into West Compton Boulevard and South Kemp Avenue’s rights-of-way.
Within West Compton Boulevard and South Kemp Avenue, two (2) existing catch basins capture and convey stormwater to an existing Los Angeles County Flood Control District (LACFCD) 66” storm drain facility, which flows in the easterly direction and outlets to the existing Compton Creek. Compton Creek drains to the existing Los Angeles River and, ultimately, the Pacific Ocean at San Pedro Bay.
Project Description
The Project consists of the construction of 60 townhomes with private garages, private drive aisles, sidewalks, guest parking areas, and common landscaped areas. The Project site will be accessible via two (2) entrances/exits along West 151st Street. The project is being built under an air space condominium map TM82807.
The Project has been designed to provide housing for larger families with three (3) and four (4) bedroom floor plan designs. The design includes solar roofs, and the townhomes will be all-electric with no natural gas. Ten (10) of the units will be for moderate-income families, with the other fifty (50) units being market rate.
The Project includes the following discretionary approvals. • GPA 21-001 – General Plan Map Amendment (GPA) – The amendment changes the land use designation on the subject property from Medium Density Residential (MDR) to General Commercial (GC).
• COZ 21-003 – Change of Zone (CZ) – Change of Zone changes the existing C-L – Limited Commercial & P – Automobile Parking Zones to the C-L – Limited Commercial Zone.
• CUP 21-008 – Conditional Use Permit (CUP) – Conditional Use Permit to permit a condominium development in the C-L – Commercial Limited Zone. • TTM 21-001 – Tentative Tract Map 82807 – the map subdivides the 2.45- acres to create a single air space condominium map.
Concord Residential Project Page 4 City of Compton
In addition, the following approvals will also be needed to process the project. • Development Agreement – The agreement covers the details of the City’s sale of the land known as Assessor’s Parcel Number (APN) 6161-001-902 to City Ventures to develop sixty (60) single-family townhomes. • Density Bonus – Parking Ratio – Tandem Parking pursuant to Government Code Section 65915 (p) (5) a development providing affordable units may provide onsite parking through tandem parking.
• Undergrounding Exemption – The requested exemption regards the undergrounding of utilities on West Compton Boulevard pursuant to Chapter 26 – Undergrounding of Utilities Facilities of the Municipal Code. • Street Tree Removal – The request to remove the seven (7) mature street trees on West Compton Boulevard should pursuant to Section 30-43.7 – Removal of Landscaping or Trees of the Municipal Code.
GPA 21-001 – General Plan Map Amendment (GPA) – (Figure B – General Plan) The underlying General Plan designation of MDR – Medium-Density Residential is inconsistent with the existing zoning of C-L – Commercial Limited and P – Parking.
To create consistency with the General Plan and the Zoning designation of C-L – Commercial Limited while permitting a 60-unit townhome condominium Project the applicant is proposing to change the General Plan land use designation to General Commercial.
The General Commercial (1.00 FAR maximum) category allows for a wide range of retail and service commercial uses designed to meet communitywide and subregional shopping and service needs. Typical permitted uses include retail businesses, personal service establishments, food and beverage sales, hotels and motels, automotive sales, and repair businesses, as well as low-intensity professional offices and financial institutions. Any use permitted in the Medium-Density and High-Density Residential categories is also allowed in General Commercial.
Since the High-Density Residential General Plan land use designation permits
17.1 to 34 du/acre net, the General Commercial land use designation is an appropriate designation for this Project, which proposes 24.5 du/acre.
COZ 21-003 – Change of Zone (CZ) – (Figure C – Zoning)
The Project proposes to change the existing C-L – Limited Commercial & P – Automobile Parking Zones to the C-L – Limited Commercial Zone. The Limited Commercial Zone (C-L) is established to provide neighborhood, community, and regional retail business areas with related uses.
CUP 21-003 – Conditional Use Permit (CUP) – (Figure E – Conceptual Site Plan) In the C-L Zone, specific uses are permitted subject to a CUP obtained pursuant to the provisions of Section 30-26 – Conditional Use Permits (CUP) of the City’s Municipal Code. permitted with a CUP. Therefore, this Project is being processed under a CUP.
Concord Residential Project Page 5 City of Compton
The development proposes sixty (60) townhome units with private garages, private drive aisles, sidewalks, guest parking areas, and common and private landscaped areas. The Project site will utilize two driveways off West 151st Street.
The Project has eight (8) three-story buildings, including four (4) ten-plexes and four (4) five-plexes. There are two plan types: Plan 1 at 1,404-square-feet and Plan 2 at 1,664-square-feet. Plan 1 has a two-car tandem parked private garage on the 1st floor and livable space on the 2nd and 3rd floors. Plan 2 has a two-car side-by-side parked private garage plus livable space on the 1st floor and livable space on the 2nd and 3rd floors. Second and third-floor living spaces for both units will further benefit from private outdoor decks (see Figures F through I).
The building’s architectural style is “Transitional,” blending both Traditional and Contemporary styles. Exterior façade materials are composed of a stucco field with board & batten siding accents. The roof level is distinguished by a perimeter, asphalt shingled hip roof punctuated with projecting gables and parapets. Architectural accents include aesthetically placed wood trellises, wood guardrails, bracket-supported awning roofs, and contemporary coach lights (see Figures F through I).
Product Information
Building Type Building Size Unit Area Unit Design
10-plex 15,340 sq. ft.
Plan 1 1,404 sq. ft. 3 bedrooms
3 baths
Plan 2 1,664 sq. ft. 4 bedrooms
4 baths
5-plex 7,540 sq. ft.
Plan 1 1,404 sq. ft. 3 bedrooms
3 baths
Plan 2 1,664 sq. ft. 4 bedrooms
4 baths
TTM 21-001 – Tentative Tract Map 82807 – (Figure D – TTM-82807) The map proposes to subdivide the property into a single air space condominium lot for townhome purposes. On-site streets will be provided as easements.
Development Agreement
The City and City Ventures are entering into a Development Agreement that will provide the details of the City’s sale of the land to City Ventures to develop a sixty (60) unit, townhome air space condominium Project.
Density Bonus – Parking Ratio – Tandem Parking
Although the applicant is not requesting a density increase under Density Bonus Law (Government Code 65915) they are providing ten units affordable to moderate income families and are requesting to utilize the tandem parking provision of Density Bonus Law pursuant to Government Code Section 65915 (p) (5). As noted in 65915 (f) the definition of “Density Bonus” for the purpose of the law does not require the increase in density.
Concord Residential Project Page 6 City of Compton
Undergrounding Exemption
SCE has overhead transmission lines on four (4) 80-foot-tall poles along the West Compton Boulevard frontage of the Project site. These poles hold sixteen (16) different lines at six (6) different heights on the poles ranging from 12kV to 66kV and including lines for AT&T and Charter. The lines extend to the east and west of the Project site along West Compton Boulevard. All other utilities are underground.
The developer is requesting an exemption from the undergrounding of utilities requirement pursuant to Chapter 26 – Undergrounding of Utilities Facilities of the Municipal Code.
Street Tree Removal
Seven (7) mature trees exist in the right-of-way on West Compton Boulevard. The trees include five (5) Ficus (Moraceae) and two (2) Jacaranda mimosifolia trees.
The developer proposes to replace the trees with 36” box trees at a one-to-three (1:3) ratio. The developer is seeking approval to remove the damaged tree(s) in accordance with Section 30-43.7 – Removal of Landscaping or Trees of the Municipal Code.
Construction Characteristics
Construction activities within the Project area will consist of on-site grading, building, paving, and architectural coating. Per the Project-specific scoping agreement (TJW Engineering, Inc.), the Project is to be operational in 2022; therefore, construction is estimated to start no sooner than February 2022.
Proposed site drainage will be collected and conveyed by two (2) proposed curbinlet catch basins and an area drain system to two (2) proposed underground Concord Residential Project Page 7 City of Compton
detention systems, which will discharge to the existing LACFCD 66” storm drain at two (2) points of connection. Low flows will be directed to proposed Modular Wetlands System (MWS) Biofiltration Vaults for water quality treatment prior to entering the proposed detention systems. During larger storm events, stormwater runoff will bypass the treatment systems and be conveyed directly to the proposed detention system. The detention system will be equipped with an orifice to mitigate the peak discharge rate to the allowable peak flow rate (Allowable Q) provided Los Angeles County Department of Public Works (LACDPW). Excess flows will be temporarily detained as they are released at the Allowable Q. Refer to Appendix H of the Preliminary Hydrology and Hydraulics Study for the Allowable Q provided by LACFCD.
Although the property is relatively flat, the Project will export approximately 4,320 cubic yards of dirt in approximately 308 truckloads. Required street improvements will include the following:
• There will be new sidewalk installed on Compton Boulevard, South Kemp Avenue and Dwight Avenue.
• Curb and gutter will remain unless damaged and directed to be replaced for Compton Boulevard, Dwight Avenue and South Kemp Avenue. • West 151st Street will receive new curb, gutter and sidewalk. • There will be new curb returns and curb ramps installed at all four corners of the Project.
The Project includes preliminary grading, drainage, and water quality management plans.
12. Have California Native American tribes traditionally and culturally affiliated with the project area requested consultation pursuant to Public Resources Code section 21080.3.1? If so, is there a plan for consultation that includes, for example, the determination of significance of impacts to tribal cultural resources, procedures regarding confidentiality, etc.? Note: Conducting consultation early in the CEQA process allows tribal governments, lead agencies, and project proponents to discuss the level of environmental review, identify and address potential adverse impacts to tribal cultural resources, and reduce the potential for delay and conflict in the environmental review process. (See Public Resources Code section 21080.3.2.) Information may also be available from the California Native American Heritage Commission’s Sacred Lands File per Public Resources Code section 5097.96 and the California Historical Resources Information System administered by the California Office of Historic Preservation. Please also note that Public Resources Code section 21082.3(c) contains provisions specific to confidentiality.
Pursuant to California Public Resources Code §21080.3.1(Assembly Bill (AB) 52 of 2014), which requires local governments to conduct meaningful consultation with California Native American tribes that have requested to be notified by lead agencies of proposed projects in the geographic area with which the tribe is traditionally and culturally affiliated, the City is requesting to conduct AB 52 tribal consultation with your tribe. It is understood that the time allotted for a Native American Tribe to respond to a lead agency and request consultation in writing was recently extended by an additional 30-days in California Public Resources Code §21080.3.1, for a total of 60-days for any housing development project application, determined to be complete on or after March 4, 2020, and before December 31, 2021, under Assembly Bill 1561 approved by the Governor September 28, 2020.
Concord Residential Project Page 8 City of Compton
In addition, the Project includes a General Plan Land Use Map change and, therefore, must also comply with California Public Resources Code §65352.3 - 65352.4 (Senate Bill (SB) 18), which requires local governments to conduct meaningful consultation with California Native American tribes on the contact list maintained by the Native American Heritage Commission prior to the adoption or amendment of a city or county general plan to protect Native American cultural places on lands that may be affected by the proposal.
Consultation under AB 52 and SB 18 commenced on April 19, 2021, with six (6) tribes.
• Gabrieleno Band of Mission Indians - Kizh Nation
• Gabrieleno/Tongva San Gabriel Band of Mission Indians • Gabrielino/Tongva Nation
• Gabrielino Tongva Indians of California Tribal Council • Gabrielino Tongva Tribe
• Soboba Band of Luiseño Indians
The 60-day response period for AB 52 will end on June 18, 2021. The 90-day response period for SB 18 will end on July 19, 2021. The City will consult with all tribes requesting a consultation and will coordinate the appropriate mitigation if any.
13. Other public agencies whose approval is required (e.g., permits, financing approval, or participation agreement):
a. California Water Services Company
b. Los Angeles County Flood Control District
c. Southern California Edison
d. Southern California Gas
e. Statewide Construction General Permit
14. Other Technical Studies Referenced in this Initial Study (Provided as Appendices):
A. Compton Residential Development Air Quality and Greenhouse Gas Impact Study – prepared by MD Acoustics LLC, April 14, 2021
B. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019
C. Phase I Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., April 27, 2018 D. Phase II Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., May 8, 2019 E. Preliminary Hydrology & Hydraulics Study TTM 82807 – prepared by C&V Consulting, Inc., August 2019, Revised March 2021
F. Sewer Area Study TTM No. 82807– prepared by C&V Consulting, Inc., September 2019, Revised April 2021 G. Preliminary Low Impact Development (LID) Plan TTM 82807 – prepared by C&V Consulting, Inc., August 2019, Revised March 2021
H. Compton Residential Development Noise Impact Study – prepared by MD Acoustics LLC, April 14, 2021
Concord Residential Project Page 9 City of Compton
I. Compton & Kemp Traffic Impact Analysis – prepared by TJW Engineering, Inc., September 24, 2019
J. Traffic & Parking Analysis: Compton & Kemp Residential Project – Supplemental Traffic Analysis Memo – prepared by TJW Engineering, Inc., February 26, 2021 K. Figure 9 – Sight Distance Analysis of the Compton & Kemp Traffic Impact Analysis
15. Acronyms:
ADA - American with Disabilities Act
ALUC - Airport Land Use Commission
ALUCP - Airport Land Use Compatibility Plan
AQMP - Air Quality Management Plan
BMP - Best Management Practice
CEQA - California Environmental Quality Act
CMC - Compton Municipal Code
CMP - Congestion Management Plan
CRTS - Compton Renaissance Transit System
CUSD - Compton Unified School District
DTSC - Department of Toxic Substance Control
DWR - Department of Water Resources
EIR - Environmental Impact Report
EOP - Emergency Operations Plan
FEMA - Federal Emergency Management Agency
FMMP - Farmland Mapping and Monitoring Program
GIS - Geographic Information System
GHG - Greenhouse Gas
GP - General Plan
HCM Highway Capacity Manual
HOA - Homeowners’ Association
IS - Initial Study
LACFCD - Los Angeles County Flood Control District
LACDPW - Los Angeles County Department of Public Works
LACSD - Los Angeles County Sanitation District
LHMP - Local Hazard Mitigation Plan
LID - Low Impact Development
LOS - Level of Service
LST - Localized Significance Threshold
MWD - Metropolitan Water District
NCCP - Natural Communities Conservation Plan
NPDES - National Pollutant Discharge Elimination System OEM - Office of Emergency Services
OPR - Office of Planning & Research, State
PEIR - Program Environmental Impact Report
PW - Public Works
RCP - Regional Comprehensive Plan
RTIP - Regional Transportation Improvement Plan
RTP - Regional Transportation Plan
SCAG - Southern California Association of Governments
SCAQMD - South Coast Air Quality Management District
SCE - Southern California Edison
Concord Residential Project Page 10 City of Compton
SCH - State Clearinghouse
SWPPP - Storm Water Pollution Prevention Plan
SWRCB - State Water Resources Control Board
USFWS - United States Fish and Wildlife
USGS - United States Geologic Survey
VMT - Vehicle Miles Traveled
WQMP - Water Quality Management Plan
Concord Residential Project Page 11 City of Compton
Figure A – Aerial Map
Concord Residential Project Page 12 City of Compton
EXISTING GENERAL PLAN
PROPOSED GENERAL PLAN
Figure B – General Plan
Concord Residential Project Page 13 City of Compton
Figure C – Zoning
Concord Residential Project Page 14 City of Compton
Figure D – TTM 82807
Concord Residential Project Page 15 City of Compton
Figure E – Conceptual Site Plan
Concord Residential Project Page 16 City of Compton
Figure F – 5 Plex Floor Plans
Concord Residential Project Page 17 City of Compton
Figure G – 5 Plex Elevations
Concord Residential Project Page 18 City of Compton
Figure H – 10 Plex Floor Plans
Concord Residential Project Page 19 City of Compton
Figure I – 10 Plex Elevations
Concord Residential Project Page 20 City of Compton
Figure J – Conceptual Landscape Plans
Concord Residential Project Page 21 City of Compton
Figure Figure Figure K LK –––Photos Photos Photos
Concord Residential Project Page 22 City of Compton
Figure K – Photos
Concord Residential Project Page 23 City of Compton
Figure K – Photos
Concord Residential Project Page 24 City of Compton
ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED:
The environmental factors checked below would be potentially affected by this project, involving at least one impact that is a “Potentially Significant Impact” as indicated by the checklist on the following pages.
Aesthetics Agriculture &
Forestry Resources Air Quality
Biological Resources Cultural Resources Energy
Geology & Soils Greenhouse Gas Emissions
Hazards & Hazardous
Materials
Hydrology &
Water Quality Land Use & Planning Mineral Resources
Noise Population & Housing Public Services
Recreation Transportation Tribal Cultural Resources
Utilities &
Service Systems Wildfire Mandatory Findings ofSignificance DETERMINATION (To be completed by the Lead Agency):
On the basis of this initial evaluation:
I find that the proposed project COULD NOT have a significant effect on the environment, and a NEGATIVE DECLARATION will be prepared.
I find that although the proposed project could have a significant effect on the environment, there will not be a significant effect in this case because revisions in the project have been made by or agreed to by the project proponent. A MITIGATED NEGATIVE DECLARATION will be prepared.
I find that the proposed project MAY have a significant effect on the environment, and an ENVIRONMENTAL IMPACT REPORT is required.
I find that the proposed project MAY have a “potentially significant” or “potentially significant unless mitigated” impact on the environment, but at least one effect 1) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on the earlier analysis as described on attached sheets. An ENVIRONMENTAL IMPACT REPORT is required, but it must analyze only the effects that remain to be addressed.
I find that although the proposed project could have a significant effect on the environment, because all potentially significant effects (a) have been analyzed adequately in an earlier EIR or NEGATIVE DECLARATION pursuant to applicable standards, and (b) have been avoided or mitigated pursuant to that earlier EIR or NEGATIVE DECLARATION, including revisions or mitigation measures that are imposed upon the proposed project, nothing further is required.
Signature Date
Robert Degadillo, City Project Planner
Printed Name
City of Compton
For
Concord Residential Project Page 25 City of Compton
EVALUATION OF ENVIRONMENTAL IMPACTS:
1) A brief explanation is required for all answers except “No Impact” answers that are adequately supported by the information sources a Lead Agency cites in the parentheses following each question. A “No Impact” answer is adequately supported if the referenced information sources show that the impact simply does not apply to projects like the one involved (e.g., the project falls outside a fault rupture zone).
A “No Impact” answer should be explained where it is based on project-specific factors as well as general standards (e.g., the project will not expose sensitive receptors to pollutants, based on a project-specific screening analysis). 2) All answers must take account of the whole action involved, including off-site as well as on-site, cumulative as well as project-level, indirect as well as direct, and construction as well as operational impacts.
3) Once the Lead Agency has determined that a particular physical impact may occur, then the checklist answers must indicate whether the impact is potentially significant, less than significant with mitigation, or less than significant. “Potentially Significant Impact” is appropriate if there is substantial evidence that an effect is significant. If there are one or more “Potentially Significant Impact” entries when the determination is made, an EIR is required.
4) Less Than Significant with Mitigation Incorporated” applies where the incorporation of mitigation measures has reduced an effect from “Potentially Significant Impact” to a “Less than Significant Impact.” The Lead Agency must describe the mitigation measures, and briefly explain how they reduce the effect to a less than significant level (mitigation measures from Section XVII, “Earlier Analyses,” may be crossreferenced). 5) Earlier analyses may be used where, pursuant to the tiering, program EIR, or another CEQA process, an effect has been adequately analyzed in an earlier EIR or negative declaration. Section 15063(c)(3)(D). In this case, a brief discussion should identify the following:
a) Earlier Analyses Used. Identify and state where they are available for review. b) Impacts Adequately Addressed. Identify which effects from the above checklist were within the scope of and adequately analyzed in an earlier document pursuant to applicable legal standards, and state whether such effects were addressed by mitigation measures based on the earlier analysis. c) Mitigation Measures. For effects that are “Less than Significant with Mitigation Measures Incorporated,” describe the mitigation measures which were incorporated or refined from the earlier document and the extent to which they address site-specific conditions for the project.
6) Lead agencies are encouraged to incorporate into the checklist references to information sources for potential impacts (e.g., general plans, zoning ordinances).
Reference to a previously prepared or outside document should, where appropriate, include a reference to the page or pages where the statement is substantiated.
Concord Residential Project Page 26 City of Compton
7) Supporting Information Sources. A source list should be attached, and other sources used, or individuals contacted should be cited in the discussion. 8) This is only a suggested form, and lead agencies are free to use different formats; however, lead agencies should normally address the questions from this checklist that are relevant to a project’s environmental effects in whatever format is selected. 9) The explanation of each issue should identify:
a) the significance criteria or threshold, if any, used to evaluate each question; and
b) the mitigation measure identified, if any, to reduce the impact to less than significance.
Concord Residential Project Page 27 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
I. AESTHETICS – Except as provided in Public Resources Code Section 21099 – Modernization of Transportation Analysis for Transit-Oriented Infill Projects – Would the project:
a) Have a substantial adverse effect on a scenic
vista?
Response:
The Project site is relatively flat, vacant, and surrounded by urban development. The proposed threestory residential buildings will complement the surrounding area and will not affect a scenic vista.
The City has evaluated the Project against City standards. The Project has been found, as conditioned, to meet all standards. Therefore, the Project will have a less than significant impact, directly, indirectly, or cumulatively on scenic vistas.
b) Substantially damage scenic resources, including, but not limited to, trees, rock outcroppings, and historic buildings within a state scenic highway?
Response:
The site is bounded by West Compton Boulevard to the north, South Kemp Avenue to the east, South Dwight Avenue to the west, and West 151st Street to the south. Curb, gutter, and sidewalk already exist on West Compton Boulevard, South Kemp Avenue, and South Dwight Avenue. As well, seven (7) mature trees exist in the right-of-way on West Compton Boulevard. The trees include five (5) Ficus (Moraceae) and two (2) Jacaranda mimosifolia trees. These trees will be removed during Project construction and replaced with 36” box trees. There will be a one-to-one (1:3) ratio of replacement for each tree. The provisions of Section 30-43.7 – Removal of Landscaping or Trees of the Municipal Code will be followed.
Per a review of the CalTrans Scenic Highways Program, no state scenic highways exist in the City of Compton. However, several roadway corridors were highlighted for improvement by the City through design guidelines and regulations, public investment, and private incentives under the 1998 Corridor Improvement Plan. Compton Boulevard is one (1) of these corridors. The City Public Works Department is currently working on the Compton Boulevard Street Design Project, which covers Compton Boulevard between the east and the west City limits. The Public Works Department has reviewed the Project design for consistency with this program.
City staff will ensure that the Project is designed consistent with the City’s requirements and the surrounding area. Therefore, the Project will have a less than significant impact, directly, indirectly, or cumulatively, on scenic resources within a state or City designated scenic highway/corridor. c) In non-urbanized areas, substantially degrade
the existing visual character or quality of public
views of the site and its surroundings? (Public
views are those that are experienced from publicly accessible vantage point). If the project is in an urbanized area, would the project conflict
with applicable zoning and other regulations
governing scenic quality?
Response:
The Project is in an urbanized area and has been designed to meet all applicable zoning requirements and other City regulations governing scenic quality. Therefore, the Project will have a less than significant impact, directly, indirectly, or cumulatively, on the existing visual character. d) Create a new source of substantial light or glare
which would adversely affect day or nighttime
views in the area?
Response:
To reduce impacts related to light pollution, the City requires that all developments introducing new light sources, or modifications to existing light sources, to shield all such devices. An exterior lighting plan has been submitted to City for approval. A photometric study and manufacturer’s cut sheets of all exterior Concord Residential Project Page 28 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
lighting on the buildings, landscaped areas, and parking lots was submitted with the exterior lighting plan.
All on-site lighting provides a minimum intensity of one-foot-candle at ground level and maximum intensity of ten-foot-candles at ground level throughout the areas serving the public and used for parking, with a ratio of average light to minimum light of four-to-one (4:1). The light sources are shielded to minimize off-site glare, and do not direct light skyward, and are to be directed away from adjacent properties and public rights-of-ways. Lights proposed to be mounted on buildings will be down-lights.
The proposed buildings are designed using an earth tone palette, and the site will include landscaping.
Therefore, glare from the buildings should be minimal. Mitigation Measure, MM AES-1, will ensure that glare is not a potential issue.
As designed, conditioned, and mitigated, the impacts of lighting and glare will be less than significant with mitigation, directly, indirectly, and cumulatively.
MM AES-1: Prior to building permit issuance, the developer shall ensure that the design of the buildings shall reduce the number of reflective surfaces used in the construction to minimize new sources of glare. Exterior building materials shall use earth tone light colors with low reflectance. Any bare metallic surfaces found on infrastructures such as pipes and poles shall be painted to minimize reflectance and glare.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 Figure UD-1 – Urban Design Issue Areas
2. Chapter 30 – Zoning of the Compton Municipal Code
Section 30-43.7 – Removal of Landscaping or Trees
3. Chapter 20 – Streets and Sidewalks of the Compton Municipal Code Section 20-4 – Street Trees
4. CalTrans Scenic Highways -- https://dot.ca.gov/programs/design/lap-landscape-architectureand-community-livability/lap-liv-i-scenic-highways II. AGRICULTURE AND FOREST RESOURCES – In determining whether impacts to agricultural resources are significant environmental effects, lead agencies may refer to the California Agricultural Land Evaluation and Site Assessment Model (1997) prepared by the California Dept. of Conservation as an optional model to use in assessing impacts on agriculture and farmland. In determining whether impacts to forest resources, including timberland, are significant environmental effects, lead agencies may refer to information compiled by the California Department of Forestry and Fire Protection regarding the state’s inventory of forest land, including the Forest and Range Assessment Project and the Forest Legacy Assessment project; and forest carbon measurement methodology provided in Forest protocols adopted by the California Air Resources Board. – Would the project:
a) Convert Prime Farmland, Unique Farmland, or
Farmland of Statewide Importance (Farmland),
as shown on the maps prepared pursuant to the
Farmland Mapping and Monitoring Program of
the California Resources Agency, to non-agricultural use? Response:
The subject site is “not mapped” on the Farmland Mapping and Monitoring Program. The “not mapped” designation means an area that falls outside of the California Department of Conservation soil survey.
The adjacent properties on all four sides are developed with single-family residential and commercial uses making agricultural uses on the subject site problematic. Development, particularly residential development, can make farming more difficult or costly due to conflicts between non-agricultural and agricultural activities. For example, residents may complain about noise, dust, odors, and low-flying aircraft used to dust or spray crops. Increased restrictions on agriculture processes and other aspects of encroachment on agricultural areas can lower productivity, increase costs, and otherwise impair agricultural operations. The site has been vacant since at least 2005 and was used for a convalescent hospital prior to that time between 1977 and 2005. It is noted that the site was used for light agricultural purposes Concord Residential Project Page 29 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
between 1928 and 1963. Therefore, the Project will have no impact, directly, indirectly, or cumulatively on farmland.
b) Conflict with existing zoning for agricultural use,
or a Williamson Act contract?
Response:
The City is primarily an urban environment with no agricultural land under commercial cultivation. The Residential Agriculture (R-A) zoned areas in the City permit private and commercial field crops, orchards, horticultural nurseries, and similar agricultural uses. However, the subject site is zoned C-L and P and is proposed to be zoned R-M-SP-1. These zones do not permit agricultural uses. As well, the site is not subject to a Williamson Act Contract. Therefore, the Project will have no impact, directly, indirectly, or cumulatively, on zoning for agricultural use or on a Williamson Act contract. c) Conflict with existing zoning for, or cause rezoning of, forest land (as defined in Public Resources Code Section 12220(g)), timberland (as defined by Public Resources Code Section
4526), or timberland zoned Timberland Production (as defined by Government Code Section 51104(g))?
Response:
In Southern California, including the City of Compton, climate and topography limit the types and locations of forest lands and their potential for commercial or industrial timber utilization. Accordingly, there is no existing or currently proposed zoning of forest land, timberland, or Timberland Production Zones within the City. Therefore, the Project would not conflict with the existing zoning for, or cause rezoning of, forest land, timberland, or timberland zoned Timberland Production. The Project will have no impact, directly, indirectly, or cumulatively.
d) Result in the loss of forest land or conversion of
forest land to non-forest use?
Response:
There is no commercial forestry or timber production industry within the City. Therefore, the Project would not result in the loss of forest land or the conversion of forest land to a non-forest use. The Project will have no impact, directly, indirectly, or cumulatively. e) Involve other changes in the existing environment which, due to their location or nature, could result in the conversion of Farmland, to non-agricultural use or conversion of forest land to nonforest use? Response:
As previously indicated, the Project site has not been used for agricultural purposes since 1977 and due to the adjacent residential and commercial uses. Agricultural uses on this site would be problematic.
Therefore, the Project would not result in the conversion of farmland to non-agricultural use and will have no significant impact, directly, indirectly, or cumulatively.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. California Department of Conservation Important Farmland Finder, accessed September 12, 2019
III. AIR QUALITY – Where available, the significance criteria established by the applicable air quality management district or air pollution control district may be relied upon to make the following determinations. Would the project:
a) Conflict with or obstruct implementation of the
applicable air quality plan?
Response:
Concord Residential Project Page 30 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
An Air Quality and Greenhouse Gas Impact Study was prepared for the Project by MD Acoustics. The results follow below.
The SCAQMD CEQA Handbook states that “New or amended General Plan Elements (including landuse zoning and density amendments), Specific Plans, and significant projects must be analyzed for consistency with the AQMP.” Strict consistency with all aspects of the plan is usually not required. A proposed project should be consistent with the AQMP if it furthers one or more policies and does not obstruct other policies. The SCAQMD CEQA Handbook identifies two key indicators of consistency:
(1) Whether the project will result in an increase in the frequency or severity of existing air quality violations or cause or contribute to new violations or delay timely attainment of air quality standards or the interim emission reductions specified in the AQMP. (2) Whether the project will exceed the assumptions in the AQMP in 2016 or increments based on the year of project buildout and phase.
Both of these criteria are evaluated in the following sections.
A. Criterion 1 - Increase in the Frequency or Severity of Violations Based on the air quality modeling analysis in the Compton Residential Development Air Quality and Greenhouse Gas Impact Study, neither short-term construction impacts nor long-term operations will result in significant impacts based on the SCAQMD regional and local thresholds of significance.
Therefore, the proposed Project is not projected to contribute to the exceedance of any air pollutant concentration standards and is found to be consistent with the AQMP for the first criterion.
B. Criterion 2 - Exceed Assumptions in the AQMP?
Consistency with the AQMP assumptions is determined by performing an analysis of the proposed Project with the assumptions in the AQMP. The emphasis of this criterion is to ensure that the analyses conducted for the proposed Project are based on the same forecasts as the AQMP. The 2016-2040 Regional Transportation/Sustainable Communities Strategy, prepared by SCAG, 2016, includes chapters on: the challenges in a changing region, creating a plan for our future, and the road to greater mobility and sustainable growth. These chapters currently respond directly to federal and state requirements placed on SCAG. Local governments are required to use these as the basis of their plans for consistency with applicable regional plans under CEQA. For this Project, the City of Compton Land Use Plan defines the assumptions represented in the AQMP.
The proposed Project is currently zoned as Limited Commercial (C-L) and Parking (P). It has a land-use classification of Medium Density Residential (8.1-17.0 dwelling units per acre) in the City of Compton General Plan. The Project includes a General Plan Amendment to General Commercial (GC) and a Change of Zone to Limited Commercial Zone (C-L). The Project proposes developing the approximately
2.45-acre Project site with 60 single-family (attached) townhomes at 24.5 dwelling units per acre. Therefore, the proposed Project is not currently consistent with the existing land use designation and zoning.
The General Commercial (1.00 FAR maximum) category allows for a wide range of retail and service commercial uses designed to meet communitywide and sub-regional shopping and service needs. Typical permitted uses include retail businesses, personal service establishments, food and beverage sales, hotels and motels, automotive sales, and repair businesses, as well as low-intensity professional offices and financial institutions. Any use permitted in the Medium-Density and High-Density Residential categories is also allowed in General Commercial. The High-Density Residential General Plan land use designation permits 17.1 to 34 dwelling units per net acre; therefore, as the Project proposes 24.5 dwelling units per acre, it would be consistent with the proposed General Commercial land use designation.
Therefore, once the General Plan Amendment and Change of Zone are approved, the Project would be consistent with the City’s land use and zoning designations. Although the Project may initially result in an inconsistency with the AQMP on paper, the inconsistency would not necessarily constitute a conflict Concord Residential Project Page 31 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
with the AQMP. The SCAQMD acknowledges that strict consistency with all aspects of the AQMP is not required in order to make a finding of no conflict. Instead, a project is considered consistent with the AQMP if it furthers one or more policies and does not obstruct other policies. The Project would implement contemporary energy-efficient technologies and regulatory/operational programs required per Title 24, CalGreen, and City standards. Generally, compliance with SCAQMD emissions reductions and control requirements also act to reduce project air pollutant emissions. Project compliance with regulatory/operational programs is consistent with and supports overarching AQMP air pollution reduction strategies. Project support of these strategies promotes timely attainment of AQMP air quality standards and would bring the Project into conformance with the AQMP. Therefore, the proposed Project is not anticipated to exceed the AQMP assumptions for the Project site and is found to be consistent with the AQMP for the second criterion.
Based on the above, the proposed Project will not result in an inconsistency with the SCAQMD AQMP.
Therefore, a less than significant impact will occur on the SCAQMD AQMP directly, indirectly, or cumulatively. b) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non-attainment under an applicable federal or state ambient air quality standard? Response:
Cumulative projects include local development as well as general growth within the Project area. However, as with most development, the greatest source of emissions is from mobile sources, which travel well out of the local area. Therefore, from an air quality standpoint, the cumulative analysis would extend beyond any local projects and, when wind patterns are considered, would cover an even larger area.
Accordingly, the cumulative analysis for the Project’s air quality must be generic by nature.
The Project area is out of attainment for both ozone and PM10 particulate matter. Construction and operation of cumulative projects will further degrade the local air quality and the air quality of the South Coast Air Basin. The greatest cumulative impact on the quality of regional air cell will be the incremental addition of pollutants mainly from increased traffic from residential, commercial, and industrial development and the use of heavy equipment and trucks associated with the construction of these projects. Air quality will be temporarily degraded during construction activities that occur separately or simultaneously.
However, in accordance with the SCAQMD methodology, projects that do not exceed the SCAQMD criteria or can be mitigated to less than criteria levels are not significant and do not add to the overall cumulative impact. The Project does not exceed any of the thresholds of significance and therefore is considered less than significant.
c) Expose sensitive receptors to substantial pollutant concentrations? Response:
Construction Air Quality Emissions Impact
The latest version of CalEEMod was used to estimate the onsite and offsite construction emissions. The emissions incorporate Rule 402 and 403. Rule 402 and 403 (fugitive dust) are not considered mitigation measures as the Project by default is required to incorporate these rules during construction.
Regional Significance Thresholds for Construction Emissions The following CEQA significance thresholds for construction emissions are established for the Basin:
• 75 pounds per day (lbs/day) of VOC • 150 lbs/day of PM10 • 100 lbs/day of NOx • 55 lbs/day of PM2.5
• 550 lbs/day of CO • 150 lbs/day of SO2
Projects in the basin with construction-related emissions exceeding any of the emission thresholds are considered significant under SCAQMD guidelines.
Concord Residential Project Page 32 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Regional Construction Emissions
The construction emissions for the Project would not exceed the SCAQMD’s daily emission thresholds at the regional level, as demonstrated in Table below, and therefore would be considered less than significant.
Regional Significance - Construction Emissions (pounds/day)
Pollutant Emissions (pounds/day)
Activity VOC NOx CO SO2 PM10 PM2.5
Grading
On-Site2 1.54 16.98 9.22 0.02 3.30 2.00
Off-Site3 0.04 0.03 0.37 0.00 0.11 0.03
Total 1.59 17.01 9.59 0.02 3.41 2.03
Building Construction
On-Site2 1.86 14.60 14.35 0.03 0.70 0.67
Off-Site3 0.34 1.58 2.81 0.01 0.84 0.23
Total 2.20 16.18 17.17 0.04 1.54 0.90
Paving
On-Site2 0.96 8.61 11.68 0.02 0.43 0.40
Off-Site3 0.06 0.04 0.51 0.00 0.17 0.05
Total 1.02 8.65 12.20 0.02 0.60 0.45
Architectural Coating
On-Site2 29.75 1.30 1.81 0.00 0.07 0.07
Off-Site3 0.05 0.03 0.44 0.00 0.15 0.04
Total 29.80 1.34 2.26 0.00 0.22 0.11
Total of overlapping phases4 33.02 26.17 31.62 0.06 2.36 1.46 SCAQMD Thresholds 75 100 550 150 150 55
Exceeds Thresholds No No No No No No
Notes:
1 Source: CalEEMod Version 2016.3.2
2 On-site emissions from equipment operated on-site that is not operated on public roads. 3 Off-site emissions from equipment operated on public roads. 4 Construction, architectural coatings, and paving phases may overlap.
Regional Operational Emissions
The operations-related criteria air quality impacts created by the proposed Project have been analyzed using the CalEEMod model. The operating emissions were based on the year 2023, the anticipated opening year for the Project. The summer and winter emissions created by the proposed Project’s longterm operations were calculated, and the highest emissions from either summer or winter are summarized in Table below.
Regional Significance - Unmitigated Operational Emissions (lbs/day) Activity
Pollutant Emissions (pounds/day)1
VOC NOx CO SO2 PM10 PM2.5
Area Sources2 2.26 0.95 5.33 0.01 0.10 0.10
Energy Usage3 0.03 0.25 0.11 0.00 0.02 0.02
Mobile Sources4 0.72 3.08 10.01 0.04 3.22 0.88
Total Emissions 3.01 4.28 15.45 0.05 3.34 1.00
SCAQMD Thresholds 55 55 550 150 150 55
Exceeds Threshold? No No No No No No
Notes:
1 Source: CalEEMod Version 2016.3.2
2 Area sources consist of emissions from consumer products, architectural coatings, and landscaping equipment. 3 Energy usage consists of emissions from on-site natural gas usage. 4 Mobile sources consist of emissions from vehicles and road dust.
Concord Residential Project Page 33 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The table above provides the Project’s unmitigated operational emissions. The table shows that the Project does not exceed the SCAQMD daily emission threshold and regional operational emissions are less than significant.
The Project does not exceed any of the thresholds of significance and, therefore, is considered less than significant.
Regional Significance Thresholds for Operational Emissions The daily operational emissions significance thresholds for the basin are as follows:
• 55 pounds per day (lbs/day) of VOC • 150 lbs/day of PM10 • 55 lbs/day of NOx • 55 lbs/day of PM2.5
• 550 lbs/day of CO • 150 lbs/day of SO2
Local Microscale Concentration Standards
The significance of localized project impacts under CEQA depends on whether ambient CO levels in the vicinity of the project are above or below State and federal CO standards. If ambient levels are below the standards, a project is considered to significantly impact if project emissions result in an exceedance of one or more of these standards. If ambient levels already exceed a State or federal standard, project emissions are considered significant if they increase 1-hour CO concentrations by 1.0 ppm or more or 8-hour CO concentrations by 0.45 ppm or more. The following are applicable local emission concentration standards for CO:
• California State 1-hour CO standard of 20.0 ppm
• California State 8-hour CO standard of 9.0 ppm
5.1.4 Thresholds for Localized Significance
Project-related construction air emissions may have the potential to exceed the State and Federal air quality standards in the project vicinity, even though these pollutant emissions may not be significant enough to create a regional impact on the South Coast Air Basin. To assess local air quality impacts, the SCAQMD has developed Localized Significant Thresholds (LSTs) to assess the project-related air emissions in the project vicinity. The SCAQMD has also provided Final Localized Significant Threshold Methodology (LST Methodology), June 2003, which details the methodology to analyze local air emission impacts. The Localized Significant Threshold Methodology found that the primary emissions of concern are NO2, CO, PM10, and PM2.5.
The emission thresholds were calculated based on the South-Central Los Angeles County source receptor area (SRA 12) and a disturbance of two acres per day at a distance of 25 meters (82 feet) for construction.
Localized Construction Emissions
The data provided in the table below shows that none of the analyzed criteria pollutants would exceed the local emissions thresholds at the nearest sensitive receptors. Therefore, a less than significant local air quality impact would occur from constructing the proposed Project.
Localized Significance – Construction
Phase
On-Site Pollutant Emissions (pounds/day)1
NOx CO PM10 PM2.5
Grading 16.98 9.22 3.30 2.00
Building Construction 14.60 14.35 0.70 0.67
Paving 8.61 11.68 0.43 0.40
Architectural Coating 1.30 1.81 0.07 0.07
Total of overlapping phases 24.52 27.85 1.21 1.14
Concord Residential Project Page 34 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
SCAQMD Threshold for 25 meters (82 feet) or less2 65 346 7 4 Exceeds Threshold? No No No No
Notes:
1 Source: Calculated from CalEEMod and SCAQMD’s Mass Rate Look-up Tables for two acres in South Central Los Angeles County Source Receptor Area (SRA 12). Project will disturb a maximum of two acres per day (see Table 7 in the Air Quality and Greenhouse Impact Study). 2 The nearest sensitive receptors are the multiple-family residential land uses located approximately 35 feet (~11 meters) southeast and 50 feet (~15 meters) east of the project site, and the single-family residential land uses located approximately 50 feet (~15 meters) south of the project site; however, according to LST methodology, any receptor located closer than 25 meters should be based on the 25-meter threshold.
Localized Operational Emissions
Project-related air emissions from on-site sources such as architectural coatings, landscaping equipment, on-site usage of natural gas appliances as well as the operation of vehicles on-site may have the potential to exceed the State and Federal air quality standards in the Project vicinity, even though these pollutant emissions may not be significant enough to create a regional impact to the Air Basin.
As stated previously, according to SCAQMD LST methodology, LSTs would apply to the operational phase of a project if the project includes stationary sources or attracts mobile sources (such as heavyduty trucks) that may spend long periods queuing and idling at the site; such as industrial warehouse/transfer facilities. The proposed Project is a residential project and does not include such uses.
Therefore, due to the lack of stationary source emissions, no long-term localized significance threshold analysis is warranted.
Construction-Related Toxic Air Contaminant Impact
The greatest potential for toxic air contaminant emissions would be related to diesel particulate emissions associated with heavy equipment operations during the proposed Project's construction. The Office of Environmental Health Hazard Assessment (OEHHA) has issued the Air Toxic Hot Spots Program Risk Assessment Guidelines and Guidance Manual for the Preparation of Health Risk Assessments, February 2015, to describe the algorithms, recommended exposure variates, cancer, and noncancer health values, and the air modeling protocols needed to perform a health risk assessment HRA) under the Air Toxics Hot Spots Information and Assessment Act of 1987. Hazard identification includes identifying all evaluated substances for cancer risk and/or non-cancer acute, 8-hour, and chronic health impacts. In addition, identifying any multi-pathway substances that present a cancer risk or chronic non-cancer hazard via non-inhalation routes of exposure.
Given the relatively limited number of heavy-duty construction equipment and construction schedule, the proposed Project would not result in a substantial long-term source of toxic air containment emissions and corresponding individual cancer risk. Furthermore, construction-based particulate matter (PM) emissions (including diesel exhaust emissions) do not exceed any local or regional thresholds. Therefore, no significant short-term toxic air contaminant impacts would occur during the construction of the proposed Project.
The Project will have a less than significant impact on the exposure of sensitive receptors to substantial pollutant concentrations. d) Result in other emissions (such as those leading
to odors adversely affecting a substantial number of people? Response:
Potential sources that may emit odors during construction activities include the application of materials such as asphalt pavement. The objectionable odors produced during the construction process are shortterm in nature. The odor emissions are expected to cease upon the drying or hardening of the odorproducing materials. Diesel exhaust and VOCs would be emitted during construction of the Project, which are objectionable to some; however, emissions would disperse rapidly from the Project site and therefore should not reach an objectionable level nearest sensitive receptors. Due to the short-term nature and limited amounts of odor-producing materials being utilized, no significant impact related to odors would occur during the proposed Project's construction.
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ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The SCAQMD recommends that odor impacts be addressed in a qualitative manner. Such an analysis shall determine whether the Project would result in excessive nuisance odors, as defined under the California Code of Regulations and Section 41700 of the California Health and Safety Code, and thus would constitute a public nuisance related to air quality.
Potential sources that may emit odors during the proposed Project's ongoing operations would include odor emissions from trash storage areas. Due to the distance of the nearest receptors from the Project site and through compliance with SCAQMD’s Rule 402, no significant impact related to odors would occur during the proposed Project's ongoing operations.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Section 4-4 – Air Quality Improvement Trust Fund of the Compton Municipal Code
3. Chapter 30 – Zoning of the Compton Municipal Code
4. Compton Residential Development Air Quality and Greenhouse Gas Impact Study – prepared by MD Acoustics LLC, April 14, 2021
IV. BIOLOGICAL RESOURCES – Would the project:
a) Have a substantial adverse effect, either directly
or through habitat modifications, on any species
identified as a candidate, sensitive, or special
status species in local or regional plans, policies, or regulations, or by the California Department of Fish and Game or U.S. Fish and Wildlife Service?
Response:
The Project site is vacant and has been since 2005, with annual weed abatement taking place each year. As such, the site does not support habitat for any species identified as a candidate, sensitive, or special status species in local or regional plans, policies, or regulations.
A review of the County of Los Angeles’ Geographical Information System files on September 13, 2019, found that the Project site was not located in a biologically sensitive area or a Significant Ecological Area (SEA).
The Project will have no impact on habitat for any species identified as a candidate, sensitive, or special status species in local or regional plans, policies, or regulations. b) Have a substantial adverse effect on any riparian
habitat or other sensitive natural community
identified in local or regional plans, policies, regulations or by the California Department of Fish and Game or U.S. Fish and Wildlife Service?
Response:
The Project site is vacant and has been since 2005, with annual weed abatement taking place each year. As such, the site does not have any riparian habitat or other sensitive natural community identified in local or regional plans, policies, regulations, or the California Department of Fish and Game or U.S.
Fish and Wildlife Service will have no impact on these resources. c) Have a substantial adverse effect on state or
federally protected wetlands (including, but not
limited to, marsh, vernal pool, coastal, etc.)
through direct removal, filling, hydrological interruption, or other means? Response:
Concord Residential Project Page 36 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project site is vacant and has been since 2005, with annual weed abatement taking place each year. As such, the site does not have any state or federally protected wetlands (including, but not limited to, marsh, vernal pool, coastal, etc.) resources and, therefore, will have no impact on these resources. d) Interfere substantially with the movement of any
native resident or migratory fish or wildlife species or with an established native resident or migratory wildlife corridors, or impede the use of native wildlife nursery sites?
Response:
As noted above, the Project site does not support habitat or species and, therefore, will have no impact on established native resident or migratory wildlife corridors or impede the use of native wildlife nursery sites.
e) Conflict with any local policies or ordinances
protecting biological resources, such as a tree
preservation policy or ordinance?
Response:
The site is bounded by West Compton Boulevard to the north, South Kemp Avenue to the east, South Dwight Avenue to the west, and West 151st Street to the south. Curb, gutter, and sidewalk already exist on West Compton Boulevard, South Kemp Avenue, and South Dwight Avenue. As well, seven (7) mature trees exist in the right-of-way on West Compton Boulevard. The trees include five (5) Ficus (Moraceae) and two (2) Jacaranda mimosifolia trees. These trees will be replaced with 36” box trees at a oneto-one (1:3) ratio per the provisions of Section 30-43.7 – Removal of Landscaping or Trees of the Municipal Code.
Los Angeles County does have SEA’s throughout the County, but a review of the County of Los Angeles’ Geographical Information System files on September 13, 2019, found that the Project site was not located in a biologically sensitive area or a SEA.
The Project will have no impact on local policies or ordinances protecting biological resources, such as a tree preservation policy or ordinance
f) Conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or another approved local, regional, or state habitat conservation plan? Response:
As noted above, the Project site does not support habitat or species and, therefore, will have no impact on an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or another approved local, regional, or state habitat conservation plan.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
Section 30-43.7 – Removal of Landscaping or Trees
3. Chapter 20 – Streets and Sidewalks of the Compton Municipal Code Section 20-4 – Street Trees
4. Los Angeles County General Plan 2008
Figure 6.3 - Significant Ecological Areas (SEAs)
V. CULTURAL RESOURCES – Would the project:
a) Cause a substantial adverse change in the significance of a historical resource pursuant to §15064.5?
Response:
Historical and archaeological resources include the following:
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ISSUES & SUPPORTING
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Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
(1) A resource listed in or determined to be eligible by the State Historical Resources Commission, for listing in the California Register of Historical Resources (Pub. Res. Code, § 5024.1, Title 14 CCR, Section 4850 et seq.).
(2) A resource included in a local register of historical resources, as defined in section 5020.1(k) of the Public Resources Code or identified as significant in an historical resource survey meeting the requirements section 5024.1(g) of the Public Resources Code, shall be presumed to be historically or culturally significant. Public agencies must treat any such resource as significant unless the preponderance of evidence demonstrates that it is not historically or culturally significant.
(3) Any object, building, structure, site, area, place, record, or manuscript which a lead agency determines to be historically significant or significant in the architectural, engineering, scientific, economic, agricultural, educational, social, political, military, or cultural annals of California may be considered to be an historical resource, provided the lead agency’s determination is supported by substantial evidence in light of the whole record. Generally, a resource shall be considered by the lead agency to be “historically significant” if the resource meets the criteria for listing on the California Register of Historical Resources (Pub. Res. Code, § 5024.1, Title 14 CCR, Section 4852)
A review of the National Register of Historic Places Geographic Information System, the California Office of Historic Preservation Website, and the City’s General Plan found that Compton is located on one of the oldest communities in Los Angeles County, dating back to 1784 when it was once a part of Rancho San Pedro. One of Compton’s first homes, the Heritage House, was built in 1869 and is a State Historic Landmark.
Aerial photographs of the site dating back to 1928 are provided in the Phase I Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc. A records review of aerial photography performed for the Phase I Environmental Site Assessment determined the Project site was used for light agricultural purposes between 1928 and 1963. Then by 1977, the property was developed with a convalescent hospital and associated parking. By 2005 the convalescent hospital had been demolished, and the property has been vacant ever since. Therefore, there will be no impact on the significance of a historical resource.
b) Cause a substantial adverse change in the significance of an archaeological resource pursuant to §15064.5?
Response:
A review of the National Register of Historic Places Geographic Information System, the California Office of Historic Preservation Website, and the City’s General Plan found that Compton is located on one of the oldest communities in Los Angeles County, dating back to 1784 when it was once a part of Rancho San Pedro. Archaeological sites exist in the City, but none are located in the area of the subject site.
The site has been developed at one time with a convalescent hospital that has since been demolished.
The disturbance of the property during this previous construction and demolition did not produce any archaeological resources. Therefore, there will be no impact on the significance of an archaeological resource.
c) Disturb any human remains, including those interred outside of formally dedicated cemeteries? Response:
No cemeteries or human remains are known to occur on-site, and it is unlikely that human remains will be uncovered during Project development. Pursuant to CEQA Guidelines 15064.5 (e), in the event of the accidental discovery or recognition of any human remains in any location other than a dedicated cemetery, the following steps shall be taken:
(1) There shall be no further excavation or disturbance of the site or any nearby area reasonably suspected to overlie adjacent human remains until:
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ISSUES & SUPPORTING
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Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
(A) The coroner of the county in which the remains are discovered must be contacted to determine that no investigation of the cause of death is required, and (B) If the coroner determines the remains to be Native American:
1. The coroner shall contact the Native American Heritage Commission within 24 hours.
2. The Native American Heritage Commission shall identify the person or persons it believes to be the most likely descended from the deceased Native American.
3. The most likely descendent may make recommendations to the landowner or the person responsible for the excavation work, for means of treating or disposing of, with appropriate dignity, the human remains, and any associated grave goods as provided in Public Resources Code Section 5097.98, or
(2) Where the following conditions occur, the landowner or his authorized representative shall rebury the Native American human remains and associated grave goods with appropriate dignity on the property in a location not subject to further subsurface disturbance. (A) The Native American Heritage Commission is unable to identify a most likely descendent or the most likely descendent failed to make a recommendation within 24 hours after being notified by the commission. (B) The descendant identified fails to make a recommendation; or (C) The landowner or his authorized representative rejects the recommendation of the descendant, and the mediation by the Native American Heritage Commission fails to provide measures acceptable to the landowner.
Following the requirements of CEQA Guidelines, 15064.5 (e) will ensure that if human remains are discovered, they will be handled appropriately. Therefore, the Project will have a less than significant impact on human remains.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Los Angeles County General Plan 2008
Figure 6.8 - Historical and Cultural Resource Sites
4. National Register of Historic Places Geographic Information System, accessed September 13, 2019
5. California Office of Historic Preservation Website, accessed September 13, 2019
6. Phase I Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., April 27, 2018
7. Phase II Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., May 8, 2019 VI. ENERGY – Would the project:
a) Result in potentially significant environmental
impact due to wasteful, inefficient, or unnecessary consumption of energy resources, during project construction or operation?
Response:
Construction of the sixty (60) townhomes would require the typical use of energy resources. Energy would be consumed during site clearing, excavation, grading, and construction. The construction process would be typical. No site conditions or Project features would require an inefficient or unnecessary consumption of energy. The Project has been designed in compliance with California’s Energy Efficiency Concord Residential Project Page 39 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Standards and 2019 CALGreen Standards (which go into effect on January 1, 2020). These measures include:
• Homes will include Solar and will be all-electric, no natural gas; • Stormwater drainage and retention during construction; • Water Conservation;
• Compliance with the City’s Landscape & Irrigation Ordinance; • Construction Site Maintenance and Trash Containment;
• Stormwater/Urban Runoff Management and Discharge Control; • Air Pollution Reduction;
• Solid Waste Management; and
• All other mandatory CalGreen requirements for residential development.
The operation of the proposed residential units would involve energy for heating, cooling, and equipment operation. These facilities would comply with all applicable California Energy Efficiency Standards and 2019 CALGreen Standards.
Neither the construction nor operation of the Project would result in wasteful, inefficient, or unnecessary consumption of energy or wasteful use of energy resources. Therefore, impacts related to wasteful energy use would be less than significant, directly, indirectly, or cumulatively. b) Conflict with or obstruct a state or local plan for
renewable energy or energy efficiency?
Response:
As noted above, the Project has been designed in compliance with California’s Energy Efficiency Standards and 2019 CALGreen Standards. The Project would not conflict with or obstruct a state or local plan for renewable energy or energy efficiency; therefore, impacts would be less than significant, directly, indirectly, or cumulatively.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
4. Chapter 15 – Plumbing Code of the Compton Municipal Code
5. Chapter 16 – Electrical Code of the Compton Municipal Code
6. Chapter 17 – Mechanical Code of the Compton Municipal Code
7. Chapter 21 – Integrated Waste Management of the Compton Municipal Code
8. Chapter 23 – Sewer and Water of the Compton Municipal Code
9. Chapter 31 – Runoff Pollution Control of the Compton Municipal Code
10. 2019 California Green Building Standards Code (CALGreen), Title 24, Part 11 VII. GEOLOGY AND SOILS – Would the project:
a) Directly or indirectly cause potential substantial adverse effects, including the risk of loss, injury or death involving:
i) Rupture of a known earthquake fault, as delineated on the most recent Alquist-Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known fault? Refer to Division of
Mines and Geology Special Publication 42.
Response:
Alta California Geotechnical Inc. performed a geotechnical investigation of the property to examine the existing on-site geotechnical conditions and assess the impacts that the geotechnical conditions may have on the proposed development.
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ISSUES & SUPPORTING
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Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Several large, active fault systems, including the Whittier-Elsinore, the Newport-Inglewood, and the San Andreas, occur in the region surrounding the site. These fault systems have been studied extensively and, in large part, control the geologic structure of southern California.
The subject site is located in southern California, which is a tectonically active area. The type and magnitude of seismic hazards affecting a site are dependent on the distance to the causative fault and the intensity and magnitude of the seismic event. The seismic hazard may be primary, such as surface rupture and/or ground shaking, or secondary, such as liquefaction and/or ground lurching.
The site is located on the Santa Ana sub-block, approximately 1.3 miles east of the Newport-Inglewood fault zone, 4.9 miles southwest of the Puente Hills fault zone, 9.1 miles north Of the Palos Verdes fault zone, 11.3 miles south of the Elysian Park fault zone, and 13.1 miles southwest of the Whittier-Elsinore fault zone.
Surface Rupture
Active faults are not known to exist within the Project area. A review of Special Publication 42 indicates the site is not within a California State designated Alquist-Priolo earthquake fault zone. Accordingly, the potential for fault surface rupture on the subject site is very low.
Based on this analysis, compliance with an approved Geotechnical report, the California Building Code, and the City of Compton Municipal Code will ensure that risks associated with primary surface ground rupture should be considered “low.” Therefore, the potential hazards associated with fault rupture are considered less than significant, directly, indirectly, and cumulatively. ii) Strong seismic ground shaking?
Response:
Ground shaking hazards caused by earthquakes along other active regional faults do exist. The 2016 California Building Code requires usemodified spectral accelerations and velocities for most structural designs.
The site has been identified as a “D” site class in accordance with section 1613.3.2 of the CBC 2016.
Utilizing this information, the computer program ATC Hazards by Location and ASCE 7-10 criterion, the spectral response accelerations that can be utilized for the Project are presented in Figure 1 of the Geotechnical Report. The structural engineer should verify these parameters. Additional parameters should be determined by the structural engineer based on the Occupancy Category of the proposed structures.
Based on this analysis, compliance with an approved Geotechnical report, California Building Code, and the City of Compton Municipal Code will ensure that risks associated with ground shaking are considered less than significant, directly, indirectly, and cumulatively. iii) Seismic-related ground failure, including liquefaction? Response:
Seismic agitation of relatively loose saturated sands, silty sands, and some silts can result in a buildup of pore pressure. If the pore pressure exceeds the overburden stresses, a temporary quick condition known as liquefaction can occur. Liquefaction effects can manifest in several ways, including 1) loss of bearing; 2) lateral spread; 3) dynamic settlement; and 4) flow failure. Lateral spreading has typically been the most damaging mode of failure.
The more recent sediment has been deposited, the more likely it will be susceptible to liquefaction. Other factors that must be considered are groundwater, confining stresses, relative density, and the intensity and duration of seismically induced ground shaking.
Groundwater was not encountered during the geotechnical subsurface investigation at a depth approximately 51.5 feet below the ground surface. The regional groundwater map indicates that the historic- Concord Residential Project Page 41 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
high groundwater level is 10 feet below the ground surface (CDMG, 1997). The site is located in a liquefaction zone per the seismic hazard maps (CDMG, 1997).
Alta performed a liquefication analysis utilizing data from the hollow stem auger borings and laboratory test results to analyze the liquefaction potential of the young Quaternary alluvium. A description of Alta’s analysis and calculations is presented in Appendix E of the Geotechnical Report. A groundwater level of 10 feet below the existing ground surface was assumed. Alta’s findings are discussed below under the headings of the specific types of liquefaction, which can be manifested during seismic shaking.
Loss of Bearing:
Liquefaction can potentially cause foundation bearing failure due to ground softening and near-failure in bearing. Based on the removal recommendations presented in the geotechnical Report, Alta anticipates that the potential for loss of bearing will be minimal.
Lateral Spreading:
The lateral displacement of surficial blocks of sediment can occur due to liquefaction in a subsurface layer. The most pervasive forms of lateral spreading typically involve sites located near a “free-face” (large slopes, channels, etc.); however, it has been noted that lateral spreading can occur on sites with gently sloping (1% or more) ground, such as the subject site.
Determination of the potential for lateral spread is based on the presence of continuous potentially liquefiable soil layers underneath the structures, the presence of lateral confinement, and various analyses such as empirical modeling. Bartlett, Hansen, and Youd (2002) states that surface manifestation of lateral spread is typically limited to sites with liquefiable soils within 10 meters (32 feet) of grade and that sites underlain by soils with (N1)60 values 15 and greater do not experience significant displacements from earthquakes with magnitudes less than 8.
There were no layers within 32 feet of the existing ground surface with (Nl)Go values less than 15 that are susceptible to liquefaction. As such, it is Alta’s opinion that the potential for lateral spread to occur onsite is considered minimal upon the completion of remedial grading.
Settlement:
Settlement due to seismic shaking can occur due to both liquefaction of saturated sediments or rearrangement of dry sand particles. Alta’s liquefaction analysis was performed utilizing SPT from the hollow-stem auger borings and laboratory test results to analyze the potential amount of settlement. A description of Alta’s analysis and calculations are presented in Appendix E of the Geotechnical Report.
The calculations indicated that the potential amount of dynamic settlement is less than 1-inch. Dynamic settlement design recommendations are presented in Section 7.1 of the Geotechnical Report.
Flow Failure:
Due to the relatively flat nature of the site and the relatively horizontal deposition of the underlying deposits, the potential for flow failure onsite is considered low.
Implementation of existing state and local laws and regulations concerning soil liquefaction and ground failure is required of all projects in the City. Therefore, impacts related to liquefaction and ground failure would be less than significant, directly, indirectly, and cumulatively. iv) Landslides?
Response:
The site is situated on relatively level ground and is not immediately adjacent to any slopes or hillsides that could be potentially susceptible to slope instability. No signs of slope instability in the form of landslides, rockfalls, earth flows, or slumps were observed at or near the subject site during Alta’s Concord Residential Project Page 42 City of Compton
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Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
investigation. As such, risks associated with slope instability should be considered "negligible." Therefore, there will be no impacts related to landsliding and slope failure, directly, indirectly, and cumulatively. b) Result in substantial soil erosion or the loss of
topsoil?
Response:
Erosion is a large-scale impact caused by human activity and disturbance of surface soil, wind, and water. Erosion cannot be eliminated, although existing regulations such as the CBC (which includes erosion control measures and best management practices) and NPDES permit requirements can reduce the potential impacts of erosion. No signs of erosion were observed during Alta’s field investigation.
Risks associated with flooding and erosion should be evaluated and mitigated by the project design Civil Engineer.
The Project does propose to export approximately 4,320 cubic yards of soil. No import of soil is expected.
Adherence to state and local regulations will reduce impacts related to erosion to less than significant, directly, indirectly, and cumulatively.
c) Be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project, and potentially result in on- or offsite landslide, lateral spreading, subsidence,
liquefaction or collapse?
Response:
See Responses VII a iii and iv above, and d below for additional information.
Adherence to the recommendations of the geotechnical investigation will ensure that the Project will have a less than significant impact on on-site or off-site landslide, lateral spreading, subsidence, liquefaction, or collapse either directly, indirectly, or cumulatively. d) Be located on expansive soil, as defined in Table 18-1-B of the Uniform Building Code (1994), creating substantial direct or indirect risks to life
or property?
Response:
Expansive soils contain certain types of clay minerals that shrink or swell as the moisture content changes; the shrinking or swelling can shift, crack, or break structures built on such soils. Arid or semiarid areas with seasonal changes of soil moisture experience a much higher frequency of problems from expansive soils than areas with higher rainfall and more constant soil moisture.
The California Building Code (CBC) 2016, Volume 2, Chapter 18, Division 1 Section 1803.2 mandates that special foundation design consideration is employed if the soil expansion Index is 20 or greater in accordance with Table 18-1-B. The methodology and scope for a geotechnical investigation are described in UBC Section 1803 and require assessing various factors, such as slope stability, soil strength, adequacy of load-bearing soils, the presence of compressible or expansive soils, and the liquefaction potential. The required content of the geotechnical report includes recommendations for foundation type and design criteria. These recommendations can include foundation design provisions intended to mitigate the effects of expansive soils, liquefaction, and differential settlement. In general, mitigation can be accomplished by combining ground modification techniques (i.e., stone columns, reinforcing nails and anchors, deep soil mixing, etc.), selecting an appropriate foundation type and configuration, and using appropriate building/foundation structural systems. Section 1804.5 Excavation, Grading, and Fill require the preparation of a geotechnical report where a building will be constructed on compacted fill.
The International Building Code (IBC) replaced earlier regional building codes (including the Uniform Building Code) in 2000 and established consistent construction guidelines for the nation. In 2006, the IBC was incorporated into the 2007 California Building Code (CBC) and currently applies to all structures being constructed in California. The national model codes are therefore incorporated by reference into Concord Residential Project Page 43 City of Compton
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Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
the building codes of local municipalities. The CBC includes building design and construction criteria that take into consideration the State’s seismic conditions.
Through adherence to state and local seismic and structural regulations (i.e., California Seismic Hazards Mapping Act, California Building Code, Compton Municipal Code, and the NPDES Permit Requirements), the impacts of expansive soils will be less than significant, directly, indirectly, or cumulatively. e) Have soils incapable of adequately supporting
the use of septic tanks or alternative wastewater
disposal systems where sewers are not available for the disposal of wastewater? Response:
The Project will be served by the Los Angeles County Sanitation District (LACSD) sewer infrastructure.
C&V Consulting, Inc. has prepared a Sewer Area Study. The existing sewer system analyzed in the area study has a design capacity above the calculated cumulative flow. The peak discharge at the downstream end of the sewer system 15” pipe entering the County Sanitation District No. 1 existing 31.3” sewer trunk main is calculated to be a rate of 1.8465 cfs with a flow depth of 7.61 inches. Refer to Appendix B of the Sewer Area Study for calculations and tabulated results. Therefore, it is concluded that the existing sewer system has adequate capacity for the proposed development.
Therefore, the Project will have no impact, directly, indirectly, or cumulatively in regard to septic systems, and the existing sewer system has adequate capacity for the proposed development. f) Directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? Response:
The Project site and the surrounding area, because of its artificial fill and alluvial geology, are not considered to be likely candidates for the discovery of paleontological resources. The likelihood of discovering such materials is also considered low due to the previous disturbance that has occurred on the site and the presence of fill materials. Therefore, the Project will not disturb any paleontological resources, and no impacts are anticipated.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure PS-1 – Regional Fault Zones
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
4. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019
5. Sewer Area Study TTM No. 82807– prepared by C&V Consulting, Inc., September 2019, Revised April 2021 VIII. GREENHOUSE GAS EMISSIONS – Would the project:
a) Generate greenhouse gas emissions, either directly or indirectly, that may have a significant impact on the environment?
Response:
An Air Quality and Greenhouse Gas Impact Study was prepared for the Project by MD Acoustics. The results follow below.
The greenhouse gas (GHG) emissions from Project construction equipment and worker vehicles are shown in the table below. The emissions are from all phases of construction. The total construction emissions amortized over 30 years are estimated at 24.54 metric tons of CO2e per year. Annual CalEEMod output calculations are provided in Appendix B of the Air Quality and Greenhouse Gas Impact Study.
Construction Greenhouse Gas Emissions
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Significant
Impact
Less Than
Significant
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Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Activity Emissions (MTCO2e)1
Onsite Offsite Total
Grading 9.1 0.5 9.6
Building Construction2 480.0 225.7 705.7
Paving 15.6 1.4 17.0
Coating 2.6 1.2 3.8
Total 507.3 228.8 736.1
Averaged over 30 years2 17 8 24.54
Notes:
1. MTCO2e=metric tons of carbon dioxide equivalents (includes carbon dioxide, methane, and nitrous oxide). 2. The emissions are averaged over 30 years because the average is added to the operational emissions, pursuant to SCAQMD.
* CalEEMod output (Appendix B of the Air Quality and Greenhouse Impact Study) Operational Greenhouse Gas Emissions Impact
Operational emissions occur over the life of the project. The unmitigated operational emissions for the Project are 833.41 metric tons of CO2e per year, as shown in the table below. Therefore, the Project’s GHG
emissions do not exceed the SCAQMD draft threshold of 3,000 metric tons CO2e per year for all land uses. Therefore, the proposed Project’s GHG emissions are less than significant.
Opening Year Unmitigated Project-Related Greenhouse Gas Emissions Category
Greenhouse Gas Emissions (Metric Tons/Year)1
Bio-CO2
NonBioCO2 CO2 CH4 N2O CO2e
Area Sources2 0.00 13.98 13.98 0.00 0.00 14.08
Energy Usage3 0.00 133.38 133.38 0.00 0.00 133.98
Mobile Sources4 0.00 615.82 615.82 0.03 0.00 616.58
Solid Waste5 5.60 0.00 5.60 0.33 0.00 13.88
Water6 1.24 24.94 26.18 0.13 0.00 30.35
Construction7 0.00 24.45 24.45 0.00 0.00 24.54
Total Emissions 6.84 812.57 819.42 0.50 0.01 833.41
SCAQMD Draft Screening Threshold 3,000
Exceeds Threshold? No
Notes:
1 Source: CalEEMod Version 2016.3.2
2 Area sources consist of GHG emissions from consumer products, architectural coatings, and landscape equipment. 3 Energy usage consists of GHG emissions from electricity and natural gas usage. 4 Mobile sources consist of GHG emissions from vehicles. 5 Solid waste includes the CO2 and CH4 emissions created from the solid waste placed in landfills. 6 Water includes GHG emissions from electricity used for transport of water and processing of wastewater. 7 Construction GHG emissions based on a 30-year amortization rate. b) Conflict with an applicable plan, policy or regulation adopted for the purpose of reducing the emission of greenhouse gases?
Response:
The proposed Project would have the potential to conflict with any applicable plan, policy or regulation of an agency adopted for the purpose of reducing the emissions of greenhouse gases. The City of Compton does not currently have a Climate Action Plan; therefore, the Project has been compared to the goals of the CARB Scoping Plan and the GHG emissions reduction goal of SB-32.
Scoping Plan
The Scoping Plan calls for an “ambitious but achievable” reduction in California’s greenhouse gas emissions, cutting approximately 30 percent from business-as-usual emission levels projected for 2020, or about 10 percent from today’s levels. On a per-capita basis, that means reducing annual emissions of 14 tons of carbon dioxide for every man, woman, and child in California down to about 10 tons per person by 2020.
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Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
In May 2014, CARB released its First Update to the Climate Change Scoping Plan (CARB 2014). This Update identifies the next steps for California’s leadership on climate change. While California continues on its path to meet the near-term 2020 greenhouse gas limit, it must also set a clear path toward longterm, deep GHG emission reductions. This report highlights California’s success to date in reducing its GHG emissions and lays the foundation for establishing a broad framework for continued emission reductions beyond 2020, on the path to 80 percent below 1990 levels by 2050.
In November 2017, CARB released the 2017 Scoping Plan. This Scoping Plan incorporates, coordinates, and leverages many existing and ongoing efforts and identifies new policies and actions to accomplish the State’s climate goals and includes a description of a suite of specific actions to meet the State’s 2030 GHG limit. In addition, Chapter 4 provides a broader description of the many actions and proposals being explored across the sectors, including the natural resources sector, to achieve the State’s mid and long-term climate goals.
Guided by legislative direction, the actions identified in the 2017 Scoping Plan reduce overall GHG emissions in California and deliver policy signals that will continue to drive investment and certainty in a low carbon economy. The 2017 Scoping Plan builds upon the successful framework established by the Initial Scoping Plan and First Update while identifying new, technologically feasible, and cost-effective strategies to ensure that California meets its GHG reduction targets in a way that promotes and rewards innovation, continues to foster economic growth, and delivers improvements to the environment and public health, including in disadvantaged communities. The Plan includes policies to require direct GHG reductions at some of the State’s largest stationary sources and mobile sources. These policies include the use of lower GHG fuels, efficiency regulations, and the Cap-and-Trade Program, which constrains and reduces emissions at covered sources.
Project Consistency with CARB Scoping Plan Policies and Measures1 2008 Scoping Plan Measures to Reduce Greenhouse Gas
Emissions Project Compliance with Measure
California Light-Duty Vehicle Greenhouse Gas Standards – Implement adopted standards and planned second phase of the program. Align zero-emission vehicle, alternative and renewable fuel, and vehicle technology programs with long-term climate change goals.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Energy Efficiency – Maximize energy efficiency building and appliance standards; pursue additional efficiency, including new technologies, policy, and implementation mechanisms.
Pursue comparable investment in energy efficiency from all retail providers of electricity in California.
Consistent. The Project will be compliant with the current Title 24 standards.
Low Carbon Fuel Standard – Develop and adopt the Low Carbon Fuel Standard.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Vehicle Efficiency Measures – Implement light-duty vehicle efficiency measures.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Medium/Heavy-Duty Vehicles – Adopt medium and heavyduty vehicle efficiency measures.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Green Building Strategy – Expand the use of green building practices to reduce the carbon footprint of California’s new and existing inventory of buildings.
Consistent. The California Green Building Standards
Code (proposed Part 11, Title 24) was adopted as part
of the California Building Standards Code in the CCR.
Part 11 establishes voluntary standards mandatory in
the 2019 edition of the Code on planning and design for sustainable site development, energy efficiency (in excess of the California Energy Code requirements), water conservation, material conservation, and internal air
contaminants. The Project will be subject to these mandatory standards.
Concord Residential Project Page 46 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
High Global Warming Potential Gases – Adopt measures to reduce high global warming potential gases.
Consistent. CARB identified five measures that reduce
HFC emissions from vehicular and commercial refrigeration systems; vehicles that access the Project are required to comply with the measures and will comply with the strategy.
Recycling and Waste – Reduce methane emissions at landfills.
Increase waste diversion, composting, and commercial recycling. Move toward zero-waste.
Consistent. The state is currently developing a regulation to reduce methane emissions from municipal solid waste landfills. The Project will be required to comply with City programs, such as City’s recycling and waste
reduction program, which comply with the 75 percent
reduction required by 2020 per AB 341.
Water – Continue efficiency programs and use cleaner energy sources to move and treat water.
Consistent. The Project will comply with all applicable City ordinances and CAL Green requirements.
2017 Scoping Plan Recommended Actions to Reduce Greenhouse Gas Emissions Project Compliance with Recommended Action Implement Mobile Source Strategy: Further, increase GHG stringency on all light-duty vehicles beyond existing Advanced Clean Car regulations.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Implement Mobile Source Strategy: At least 1.5 million zeroemission and plug-in hybrid light-duty electric vehicles by 2025 and at least 4.2 million zero-emission and plug-in hybrid light-duty electric vehicles by 2030.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Implement Mobile Source Strategy: Innovative Clean Transit:
Transition to a suite of to-be-determined innovative clean transit options. Assumed 20 percent of new urban buses purchased beginning in 2018 will be zero-emission buses with the penetration of zero-emission technology ramped up to 100 percent of new sales in 2030. New natural gas buses, starting in 2018, and diesel buses, starting in 2020, meet the optional heavy-duty low-NOX standard.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Implement Mobile Source Strategy: Last-Mile Delivery: New regulation that would result in the use of low NOX or cleaner engines and the deployment of increasing numbers of zeroemission trucks primarily for class 3-7 last-mile delivery trucks in California. This measure assumes ZEVs comprise 2.5 percent of new Class 3–7 truck sales in local fleets starting in 2020, increasing to 10 percent in 2025 and remaining flat through 2030.
Consistent. These are CARB-enforced standards; vehicles that access the Project must comply with the standards and comply with the strategy.
Implement SB 350 by 2030: Establish annual targets for
statewide energy efficiency savings and demand reduction to achieve a cumulative doubling of statewide energy efficiency savings in electricity and natural gas end uses by 2030.
Consistent. The Project will be compliant with the current Title 24 standards.
By 2019, develop regulations and programs to support organic waste landfill reduction goals in the SLCP and SB 1383.
Consistent. The Project will be required to comply with City programs, such as City’s recycling and waste reduction program, which comply with the 75 percent reduction required by 2020 per AB 341.
Notes:
1. Source: CARB Scoping Plan (2008 and 2017)
As the latest 2017 Scoping Plan builds upon previous versions, project consistency with applicable strategies of both the 2008 and 2017 Plan are assessed in the table below. As shown in the table below, the Project is consistent with the applicable strategies and would result in a less than significant impact.
SB-32
SB-32 requires the state board to ensure that statewide greenhouse gas emissions are reduced to 40 percent below the 1990 level by 2030. SCAQMD's thresholds used Executive Order S-3-05 goal as the Concord Residential Project Page 47 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
the basis for deriving the screening level. The California Governor issued Executive Order S-3-05, GHG Emission, in June 2005, which established the following reduction targets:
• 2010: Reduce greenhouse gas emissions to 2000 levels
• 2020: Reduce greenhouse gas emissions to 1990 levels
• 2050: Reduce greenhouse gas emissions to 80 percent below 1990 levels.
As the SCAQMD uses EO S-3-05 as the basis for their screening level, and EO S-3-05 includes the longterm goal to reduce greenhouse gas emissions to 80 percent below 1990 levels by 2050, the Project would also be consistent with the goal of SB 32 (to reduce greenhouse gas emissions to 40 percent below 1990 levels by 2030). Therefore, projects that meet the current interim emissions targets/thresholds established by SCAQMD would also be on track to meet the reduction targets for 2030. Furthermore, all of the post-2020 reductions in GHG emissions are addressed via regulatory requirements at the State level. The Project will be required to comply with these regulations as they come into effect.
Therefore, as the Project's emissions do not exceed the SCAQMD draft GHG emissions threshold of 3,000 metric tons CO2e per year, the Project would not conflict with any applicable plan, policy or regulation of an agency adopted for the purpose of reducing the emissions of greenhouse gases. Furthermore, the Project will comply with applicable Green Building Standards and City of Compton’s policies regarding sustainability (as dictated by the City's General Plan) and, therefore, will have a less than significant impact as noted above.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
4. Section 4-4 – Air Quality Improvement Trust Fund of the Compton Municipal Code
5. Compton Residential Development Air Quality and Greenhouse Gas Impact Study – prepared by MD Acoustics LLC, April 14, 2021
IX. HAZARDS AND HAZARDOUS MATERIALS – Would the project:
a) Create a significant hazard to the public or the
environment through the routine transport, use,
or disposal of hazardous materials?
Response:
Hazardous materials are highly regulated in California, including how they are transported, used, and stored. The development of a residential project will not result in the transport, use, or storage of massive quantities of hazardous materials. The City relies on the Fire Department's assistance and the County’s Department of Environmental Health in the regulation of hazardous materials.
The residents of the Project will store and use various chemicals for routine housekeeping and landscaping purposes. Comparable products will be required for the common recreation areas and general Project maintenance. However, none of these chemicals will be used in sufficient quantities to pose a threat to humans or the environment. Therefore, there will be no project-related impacts associated with the hazardous materials, directly, indirectly, or cumulatively. 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? Response:
The Project will not create hazards to the public through upset or accident as through the construction process; any hazardous materials will be handled, stored, and used in compliance with all Federal, State, and City regulations. As noted above, the Project will create single-family residences that will store and use various chemicals for routine housekeeping and landscaping purposes. Comparable products will be required for the common recreation areas and general Project maintenance. However, none of these chemicals will be used in sufficient quantities to pose a threat to humans or the environment. Therefore Concord Residential Project Page 48 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
there will be no project-related impacts associated with the hazardous materials, directly, indirectly, or cumulatively.
c) Emit hazardous emissions or handle hazardous
or acutely hazardous materials, substances, or
waste within one-quarter mile of an existing or
proposed school?
Response:
The Laurel Street Elementary School (1321 West Laurel Street) is located approximately 641-feet from the closest point of the subject property or a little over a .12 of a mile. Any hazardous materials will be handled, stored, and used in compliance with all Federal, State, and City regulations through the construction process. As noted above, the Project will create single-family residences that will store and use various chemicals for routine housekeeping and landscaping purposes. Comparable products will be required for the common recreation areas and general Project maintenance. However, none of these chemicals will be used in sufficient quantities to pose a threat to humans or the environment. The Project will not emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste to cause danger to surrounding schools. Therefore, no impacts, directly, indirectly or cumulatively to schools will occur.
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?
Response:
Per the Phase I Environmental Site Assessment prepared by Stantec, the subject property is not located on a site included in a list compiled pursuant to Government Code Section 65962.3. The EnviroStor database did indicate that there are sites in the vicinity that may represent Recognized Environmental Conditions (RECs), Historical Recognized Environmental Conditions (HRECs), or de minimis conditions; however, the distance of these other sites from the subject site with respect to and the groundwater flow direction, the native soils, and regulatory status, none of the other sites are expected to affect the soil or groundwater quality at the subject site.
Nevertheless, due to the historic use of the property for light agriculture, a Phase II Environmental Site Assessment was performed by Stantec, with six (6) borings occurring on April 24, 2019. Analysis of the borings concluded that the historical agricultural use of the property did not represent a REC or human health risk considering the contemplated residential use of the subject site.
It is noted that the City has numerous high-pressure natural gas and petroleum pipelines. One such line, a natural gas line, is located within West Compton Boulevard. The Office of Pipeline Safety of the U.S.
Department of Transportation is the primary agency responsible for inspecting and maintaining pipelines running through the City. To ensure safety during construction, all requirements of Section 20-3 – Street Excavations shall be required, as applicable.
Therefore, this Project will have no impact, directly, indirectly, or cumulatively, in creating 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 two 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? Response:
The Project is not located within a Los Angeles County Airport Land Use Commission (ALUC) area. The closest Airport is the Compton/Woodley Airport, but the subject site is outside the airport influence area for this airport.
Concord Residential Project Page 49 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Given the above guidelines, the Project will have no impact on creating a safety hazard for people residing or working in the Project area from airport operations, directly, indirectly, and cumulatively. f) Impair implementation of or physically interfere
with an adopted emergency response plan or
emergency evacuation plan?
Response:
Los Angeles County adopted the All-Hazards Mitigation Plan (AHMP), providing a framework for emergency response. The City also maintains an Emergency Operations Plan (EOP) that documents City policies for responding to major emergencies that threaten life, safety, and property. The plan establishes a chain of command and outlines the responsibilities of various City departments in the event of an emergency. The General Plan establishes Compton Boulevard as an evacuation route.
Two (2) driveways will provide project access off West 151st Street. The Project site is bounded by West Compton Boulevard to the north, West 151st Street to the south, South Kemp Avenue to the east, and South Dwight Avenue to the west. These existing streets are within the City’s established street system.
The Project will not alter the existing circulation pattern in the Project area. Emergency access and evacuation routes will be unaffected by the Project. In addition, the Project will comply with Section 20- 6 – Temporary Street Closures of the Municipal Code should any of the four streets/sidewalks/bicycle lanes need to be temporarily closed during construction.
The Project provides adequate access for emergency vehicles, including adequate street widths and vertical clearance on new streets. Implementation of federal, state, and local laws and regulations in this Project's construction ensures no impact on an adopted emergency response plan or evacuation plan.
g) Expose people or structures, either directly or
indirectly, to a significant risk of loss, injury or
death involving wildland fires?
Response:
The Project site is not within a fire hazard zone, as defined by the Los Angeles County AHMP, Figure 7- 1 – Los Angeles County Very High Fire Hazard Severity Zones. The City maintains its own Fire Department. The Project will not expose people or structures to significant risks associated with wildfires and, therefore, no impact, directly, indirectly, or cumulatively will occur.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure PS-2 – Hazards Summary
• Figure PS-3 – Pipeline Locations
• Figure PS-4 – Emergency Evacuation Routes
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 20 – Streets and Sidewalks of the Compton Municipal Code • Section 20-3 – Street Excavations
• Section 20-6 – Temporary Street Closures
4. Compton Unified School District website – accessed September 21, 2019
5. Los Angeles County Airport Land Use Commission website and GIS mapping – accessed September 21, 2019
6. Los Angeles County Local All-Hazards Mitigation Plan – adopted 2014 • Figure 7-1 – Los Angeles County Very High Fire Hazard Severity Zones
7. Phase I Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., April 27, 2018
8. Phase II Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., May 8, 2019 X. HYDROLOGY AND WATER QUALITY – Would the project:
a) Violate any water quality standards or waste discharge requirements or otherwise substantially degrade surface or ground water quality?
Response:
Concord Residential Project Page 50 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
See responses in Section XVX below for further information on water and wastewater.
The existing site is currently vacant, pervious land. Elevations onsite range between approximately 81 feet to 85 feet above mean sea level, with a relative low point near the site's northeast corner. Existing site drainage is generally directed as sheet flow in the northeast direction and overflows into the rightsof-way of West Compton Boulevard and South Kemp Avenue. Within West Compton Boulevard and South Kemp Avenue, two (2) existing catch basins capture and convey stormwater to an existing Los Angeles County Flood Control District (LACFCD) 66” storm drain facility within West Compton Boulevard, which flows in the easterly direction and outlets to the existing Compton Creek. Compton Creek drains to the existing Los Angeles River and ultimately the Pacific Ocean at San Pedro Bay.
Proposed site drainage will be collected and conveyed by two (2) proposed curb-inlet catch basins and an area drain system to two (2) proposed underground detention systems, which will discharge to the existing LACFCD 66” storm drain at two (2) points of connection. Low flows will be directed to proposed Modular Wetlands System (MWS) Biofiltration Vaults for water quality treatment prior to entering the proposed detention systems. During larger storm events, stormwater runoff will bypass the treatment systems and be conveyed directly to the proposed detention system. The detention system will be equipped with an orifice to mitigate the peak discharge rate to the allowable peak flow rate (Allowable Q) provided by the Los Angeles County Department of Public Works (LACDPW). Excess flows will be temporarily detained as they are released at the Allowable Q. Refer to Appendix H of the Preliminary Hydrology and Hydraulics Study for the Allowable Q provided by LACFCD.
The Project will comply with the requirements of Chapter 31 – Runoff Pollution Control of the Municipal Code. As such, a Preliminary Low Impact Development (LID) Plan has been prepared consistent with the Los Angeles County Department of Public Works LID Manual and the intent of the NPDES stormwater requirements (State Water Resources Control Board (SWRCB) National Pollutant Discharge Elimination System (NPDES) General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities, Order No. 2009-0009-DWQ, NPDES No. CAS000002, dated July 1, 2010).
The Project will be served by the Los Angeles County Sanitation District (LACSD) sewer infrastructure.
C&V Consulting, Inc. has prepared a Sewer Area Study. The existing sewer system analyzed in the area study has a design capacity above the calculated cumulative flow. The peak discharge at the downstream end of the sewer system 15” pipe entering the County Sanitation District No. 1 existing 31.3” sewer trunk main is calculated to be a rate of 1.8465 cfs with a flow depth of 7.61 inches. Refer to Appendix B of the Sewer Area Study for calculations and tabulated results. Therefore, it is concluded that the existing sewer system has adequate capacity for the proposed development.
The Project's design and compliance with existing federal, state, and local water quality laws and regulations related to water quality standards will ensure a less than significant impact, directly, indirectly, and cumulatively to water quality and discharge.
b) Substantially decrease groundwater supplies or
interfere substantially with groundwater recharge such that the project may impede sustainable groundwater management of the basin? Response:
The City is located in the Central Basin groundwater basin. The Central Subbasin occupies a large portion of the southeastern part of the Coastal Plain of Los Angeles Groundwater Basin. This subbasin is commonly referred to as the “Central Basin.” It is bounded on the north by a surface divide called the La Brea high and, on the northeast, and east by emergent, less permeable Tertiary rocks of the Elysian, Repetto, Merced, and Puente Hills. The southeast boundary between Central Basin and Orange County Groundwater Basin roughly follows Coyote Creek, a regional drainage province boundary. The southwest boundary is formed by the Newport Inglewood fault system and the associated folded rocks of the Newport Inglewood uplift. The Los Angeles and San Gabriel Rivers drain inland basins and pass across the surface of the Central Basin on their way to the Pacific Ocean. The average precipitation throughout the subbasin ranges from 11 to 13-inches, with an average of around 12-inches.
Concord Residential Project Page 51 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The City uses a blend of predominate groundwater from the Central Basin groundwater basin and surface water imported by the Metropolitan Water District of Southern California (MWD). MWD's imported water sources are a blend of State Water Project water from Northern California and water from the Colorado River Aqueduct. The City has court adjudicated water rights to pump approximately 70 percent of the City's water demand. The City utilizes eight (8) groundwater wells to pump potable water from a natural underground reservoir. The City also has three (3) imported water connections that help supplement the City's water demands.
The Project will be required to comply with City’s water-efficiency requirements, including the use of drought-tolerant planting materials and limited landscaping irrigation, as well as all water restrictions imposed by the Los Angeles County Department of Public Works (LACDPW) at the time the Project is constructed. Implementation of these and other applicable requirements, including those noted in Response X a) above, will assure that water-related impacts to groundwater recharge are reduced to less than significant, directly, indirectly, and cumulatively. 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?
Response:
There are no natural drainages on the Project site; the Project will not alter any existing drainage patterns. Proposed drainage will be directed as sheet flow overland and through a series of area drains toward proposed Modular Wetlands System (MWS) Biofiltration Vaults for water quality treatment prior to discharging to the existing LACFCD 66” storm drain within West Compton Boulevard. The proposed area drain system will collect surface runoff within landscaped and backyard areas and convey flows directly to the proposed MWS Biofiltration Vaults via the proposed underground storm drain. Street surface flows will be conveyed via the proposed curb and gutter toward two (2) proposed curb-inlet catch basins located along the private drive aisle. The proposed catch basins will be equipped with a Dvert system designed to divert low flows to the proposed MWS Biofiltration Vaults. Treated stormwater will be conveyed via proposed underground storm drain to proposed underground detention systems, which will be outflow controlled to mitigate peak discharge to the existing LACFCD storm drain within West Compton Boulevard. During larger storm events and when the MWS Biofiltration Vaults are at capacity, the Dvert system within the catch basins and an internal bypass within the MWS Biofiltration Vaults will allow for high flows to bypass treatment and flow directly to the proposed detention systems via the proposed storm drain system. Drainage from the site will be conveyed from the detention system to the existing LACFCD 66” storm drain at two (2) points of connection. Upon discharging to the existing LACFCD storm drain, site runoff will follow the historic drainage pattern.
Implementing Best Management Practices (BMPs) required by the City and implemented through the Project’s Low Impact Development (LID) Plan will mitigate potential erosion impacts to a less than significant level directly, indirectly, and cumulatively. ii) Substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or offsite?
Response:
In addition to Response X a) & b) above, the design and implementation of the basins will be reviewed and approved by the City Engineer as well as the Los Angeles County Department of Public Works (LACDPW) to assure compliance with all applicable local, state, and Federal standards.
Implementation of these and other applicable requirements will assure that drainage and stormwater will not create or contribute water, which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff. Therefore, the Project will have a less than significant impact, directly, indirectly, or cumulatively to the rate or amount of surface runoff in a manner that would result in flooding on- or off-site.
Concord Residential Project Page 52 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
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? Response:
See Response X a) & b) above.
iv) Impede or redirect flood flows?
Response:
No signs of flooding were observed when Alta did their field investigation for the Geotechnical Report.
As described throughout this section, the Project will be required to comply with all applicable water quality standards. To further minimize potential water quality degradation, the Project will be connected to the sewer system and on-site/off-site stormwater conveyance system. No impacts to Project-related water quality degradation will occur, directly, indirectly, and cumulatively. d) In flood hazard, tsunami, or seiche zones, risk
release of pollutants due to project inundation?
Response:
A seiche and tsunami are defined below. Since the Project site is not located near a body of water or the ocean, the Project is not subject to these hazards.
A seiche is a temporary disturbance or oscillation in the water level of a lake or partially enclosed body of water, especially one caused by changes in atmospheric pressure.
Tsunami is a long high sea wave caused by an earthquake, submarine landslide, or other disturbance.
The Project site is not located within a 100-year mapped flood zone (FEMA Flood Insurance Rate Map No. 06037C1815F (September 26, 2008). The Project would redirect on-site drainage patterns; however, it would not impede or redirect flood flows. As referenced, all drainage would be managed to ensure pre-construction flows off-site are maintained. The Project would not expose people or structures to flood hazards from severe storm events.
Compliance with existing federal, state, and local flood hazard laws and regulations pertaining to the design of the Project will ensure the Project will not be impacted by a flood hazard directly, indirectly, or cumulatively.
e) Conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan? Response:
As noted throughout this Section, the Project will comply with all City, County, state, and federal requirements for water quality and sustainable groundwater. Compliance with existing federal, state, and local flood hazard laws and regulations pertaining to the design of the Project will ensure that the Project will have result in no impact from a flood hazard impact, directly, indirectly, and cumulatively.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
4. Chapter 23 – Sewer and Water of the Compton Municipal Code
5. Chapter 31 – Runoff Pollution Control of the Compton Municipal Code
6. FEMA Flood Map Service Center: Search By Address website, accessed September 22, 2019
7. Los Angeles County Department of Public Works LID Manual
8. State Water Resources Control Board (SWRCB) National Pollutant Discharge Elimination System (NPDES) General Permit for Storm Water Discharges Associated with Construction and Concord Residential Project Page 53 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Land Disturbance Activities, Order No. 2009-0009-DWQ, NPDES No. CAS000002 dated July 1, 2010
9. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019
10. Sewer Area Study TTM No. 82807– prepared by C&V Consulting, Inc., September 2019, Revised April 2021
11. Preliminary Hydrology and Hydraulics Study – prepared by C&V Consulting Inc., August 2019, Revised, March 2021
12. Preliminary Low Impact Development Plan – prepared by C&V Consulting Inc., August 2019, Revised, March 2021
XI. LAND USE AND PLANNING – Would the project:
a) Physically divide an established community?
Response:
The Project site is vacant land with established single-family residential neighborhoods to the east and south and commercial development to the west and north. An additional sixty (60) townhomes will not divide an existing community but rather will expand an existing community. Therefore, no impact either directly, indirectly, or cumulatively will occur to 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?
Response:
The underlying General Plan designation of MDR – Medium-Density Residential is inconsistent with the existing zoning of C-L – Commercial Limited and P – Parking. To create consistency with the General Plan and the Zoning designation of C-L – Commercial Limited while permitting a 60-unit townhome condominium Project the applicant is proposing to change the General Plan land use designation to General Commercial.
The General Commercial category allows any use permitted in the Medium-Density and High-Density Residential categories. Since the High-Density Residential General Plan land use designation permits
17.1 to 34 du/acre net, the General Commercial land use designation is an appropriate designation for this Project, which proposes 24.5 du/acre.
In addition, the applicant is also proposing to change the existing C-L – Limited Commercial & P – Automobile Parking Zones to the C-L – Limited Commercial Zone. The Limited Commercial Zone (C-L) is established to provide neighborhood, community, and regional retail business areas with related uses.
The proposed General Plan land use designation and zone change will bring consistency between the two land-use maps while implementing the General Plan policies, including the following:
Land Use Element
Policy 2.1 (M): Provide increased market-rate housing opportunities.
Housing Element
Goal 1: The City of Compton will improve the housing supply and the choice of housing opportunities through private investment and, where necessary, through public action and financing.
Policy 2.3: The City of Compton will encourage variety in the supply of housing at costs affordable to the various income levels of the population.
Concord Residential Project Page 54 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project will not result in 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 as the proposed changes are in accordance with the City’s plans, policies, and regulations established in the General Plan or Zoning Ordinance; therefore, a less than significant impact, directly, indirectly, or cumulatively to will occur.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. City of Compton Adopted 2013 – 2021 Housing Element Update, February 2020
3. Chapter 30 – Zoning of the Compton Municipal Code
XII. MINERAL RESOURCES – 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? Response:
Mineral deposits are limited to clay deposits used for bricks within the City. However, the City is near a number of active oil fields. The Rosecrans oilfield is located approximately two miles to the west. The East Los Angeles oilfield is located approximately seven (7) miles to the northeast, and the Dominguez oilfield is located approximately five (5) miles to the south. There are also several oil and natural gas wells located in the City. Most of these wells are in the southern portion of the City.
Based on Alta's review of geologic literature and their subsurface investigation, the Project site is underlain by undocumented artificial fills and young Quaternary alluvium. The geologic units are briefly described below.
Artificial Fill (Map symbol af)
Artificial fill was found in the upper two (2) to five (5) feet. It consists of light to dark brown, silty clay in a dry to moist, stiff condition, with some areas containing concrete cobbles up to 11 inches in diameter.
Young Quaternary Alluvium (Map symbol Qya)
Young Quaternary alluvium underlies the artificial fill, which consists of light brown to brown, tan with some orange mottling, silty clay, clayey silt, sandy silt, sand, and silt in a moist, stiff to very stiff, and medium dense to dense condition. The unit was logged to a maximum depth of 51.5 feet below the ground surface.
The artificial fill is most likely a result of the previous convalescent hospital development. As such, the clay within the fill would not be beneficial for the making of brick.
The Surface Mining and Reclamation Act (SMARA) Mineral Land Classification system designates the City as being in the San Gabriel Production-Consumption Region. However, the Project site occurs in an urban setting and is not suitable for mineral resource land uses. The Project will have a less than significant impact, directly, indirectly, and cumulatively on mineral resources. b) Result in the loss of availability of a locallyimportant mineral resource recovery site delineated on a local general plan, specific plan, or other land use plan?
Response:
The Project site is not delineated on a local general plan, specific plan, or other land use plan and will, therefore, have no impact, directly, indirectly, and cumulatively on the availability of important mineral resources.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
Concord Residential Project Page 55 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
3. California Department of Conservation California Geologic Survey CGS Information Warehouse:
Mineral Land Classification, GIS, accessed September 22, 2019
4. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019 XIII. NOISE – 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? Response:
A Noise Impact Study was prepared for the Project by MD Acoustics. The results follow below.
Existing Noise Environment
Four (4) short term ambient noise measurement was conducted at the Project site. The measurements measured the 1-hour Leq, Lmin, Lmax, and other statistical data (e.g., L2, L8). The noise measurement was taken to determine the existing baseline noise conditions.
Short-Term Noise Measurement Results
The results of the short-term noise data are presented in the table below.
SHORT-TERM NOISE MEASUREMENT DATA (dBA)1
Location Date Start
Time Leq Lmax Lmin L(2) L(8) L(25) L(50)
Site 1 5/14/2019 10:42 AM 69.6 85.8 45.2 44.9 46.9 54.5 53.9 Site 2 5/14/2019 11:08 AM 73.3 92.3 48.0 55.3 59.0 61.4 65.8 Site 3 5/14/2019 11:16 AM 49.7 91.2 37.4 46.8 47.1 52.4 55.4 Site 4 5/14/2019 11:23 AM 54.1 94.8 41.9 44.9 46.9 54.5 53.9 Notes:
1. Measurements were taken over a ten-minute interval.
Short-term noise data indicates the ambient noise levels range between 54.1 to 73.3 dBA Leq. The measured noise levels and field notes indicate that traffic noise is the main source of noise impacting the Project site.
Future Noise Environment Impacts and Mitigation
Concord Residential Project Page 56 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Noise Impact Study analyzed future noise impacts to the Project and compared the results to the City’s Noise Standards. The analysis detailed the estimated exterior noise levels associated with traffic from adjacent roadway sources.
Off-site Traffic Noise Impact
The potential off-site noise impacts caused by the increase in vehicular traffic due to the Project were calculated at a distance of 50 feet. The distance to the 55, 60, 65, and 70 dBA CNEL noise contours are also provided for reference. The noise level at 50 feet is representative of approximate distances to existing homes along the subject roadway. The noise contours were calculated for the following scenarios and conditions:
• LOS D Condition: This scenario refers to the existing year traffic noise condition and is demonstrated in the table below.
• LOS D + Project Condition: This scenario refers to the existing year plus project traffic noise condition and is demonstrated in the table below.
LOS D/LOS D + Project Scenario Comparison
The table below provides the LOS D and LOS D + Project noise conditions and shows the change in noise level due to the proposed Project. As shown in the table, the increase in traffic noise for the Existing and Existing + Project scenario would have a nominal increase of 0.1 dBA at 50 feet from the centerline of the subject roadway.
LOS D Without Project Exterior Noise Levels
CNEL
at 50 Ft (dBA)
Distance to Contour (Ft)
Roadway Segment 70 dBA
CNEL
65 dBA
CNEL
60 dBA
CNEL
55 dBA
CNEL
Compton Blvd Wilmington Ave to S Central Ave 68 36 78 169 363 Change in LOS D + Project Exterior Noise Levels
CNEL
at 50 Ft (dBA)
Distance to Contour (Ft)
Roadway Segment 70 dBA
CNEL
65 dBA
CNEL
60 dBA
CNEL
55 dBA
CNEL
Compton Blvd Wilmington Ave to S Central Ave 68 37 79 171 367 Change in LOS D Noise Levels as a Result of Projects
CNEL at 50 Feet dBA2
Roadway1 Segment Existing Without Project
Existing
With
Project
Change in
Noise
Level
Potential
Significant
Impact
Compton Blvd Wilmington Ave to S Central Ave 68 68.0 0.1 No Notes:
1 Exterior noise levels calculated at 5 feet above ground level. 2 Noise levels calculated from the centerline of the subject roadway.
On-site Traffic Noise Impact
Traffic noise from the local roadway network was evaluated and compared to the City’s Exterior Noise standard. Per the City’s Exterior Noise Standard (Table N-2 from the City’s General Plan, Noise Element), the residential noise limit is 65 dBA CNEL. As shown in the table above, Existing Plus Project traffic 65 dBA CNEL noise projections from Compton Boulevard will reach up to 79 feet from the centerline of the road. Residential structures are located approximately 50-feet away from the centerline of Compton Boulevard and have a projected noise level of 68 dBA. It should be noted that the existing noise level exceeds the 65 dBA noise limit, so 68 dBA becomes the standard.
Future Interior Noise
Concord Residential Project Page 57 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The future interior noise level was calculated for the sensitive receptor locations using a typical “windows open” and “windows closed” condition. A “windows open” condition assumes 12 dBA of noise attenuation from the exterior noise level. A “windows closed” condition” assumes 20 dBA of noise attenuation from the exterior noise level. The table below indicates the first and second-floor interior noise levels for the Project site.
Future Interior Noise Levels (dBA CNEL)
Location
Roadway
Noise
Source
Exterior Facade
Study Location
Noise
Level
at
Building
Facade1
Interior
Noise Reduction Required to
Meet Interior Noise
Standard of
45 dBA
CNEL
Interior Noise
Level w/ Typical
Residential Windows (STC≥ 25)
STC Rating for
Windows
Facing
Subject
Roadway4
Window
Open2
Windows
Closed
3 1st Row Units
Along Northern
Property Line
Compton
Blvd
1st Floor 68 23 56 48 26
2nd Floor 68 23 56 48 26
Notes:
1. Noise level from Table 5 of the Noise Impact Study and from worksheets Appendix C of the Noise Impact Study.
2. A minimum of 12 dBA noise reduction is assumed with a "windows open" condition.
3. A minimum of 20 dBA noise reduction is assumed with a "windows closed" condition.
4. Indicates the required STC rating to meet the interior noise standard.
As shown in the table above, the interior noise level will range from 56 dBA CNEL with the windows open and 48 dBA CNEL with the windows closed.
To meet the City’s interior 45 dBA CNEL standard, a “windows closed” condition is required. The windows and sliding glass doors directly facing Compton Boulevard will require a minimum STC rating of 26 for the 1st and 2nd floors (MM NOI-1). A “windows closed” condition simply means that to achieve a 45 dBA CNEL interior noise level, the windows must be closed, and does not mean the windows must be fixed.
Therefore, the Project will have a less than significant impact with mitigation on interior noise.
MM NOI-1: The windows and sliding glass doors facing the West Compton Boulevard shall require a minimum STC rating of 26 for the 1st and 2nd floors.
Construction Noise Impact
The degree of construction noise may vary for different areas of the Project site and vary depending on the construction activities. Noise levels associated with the construction will vary with the different phases of construction.
Construction Noise
The Environmental Protection Agency (EPA) has compiled data regarding the noise-generated characteristics of typical construction activities. The data is presented in the table below.
Typical Construction Noise Levels1
Equipment Powered by Internal Combustion Engines
Type Noise Levels (dBA) at 50 Feet
Earth Moving
Compactors (Rollers) 73 - 76
Front Loaders 73 - 84
Backhoes 73 - 92
Tractors 75 - 95
Scrapers, Graders 78 - 92
Concord Residential Project Page 58 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Pavers 85 - 87
Trucks 81 - 94
Materials Handling
Concrete Mixers 72 - 87
Concrete Pumps 81 - 83
Cranes (Movable) 72 - 86
Cranes (Derrick) 85 - 87
Stationary
Pumps 68 - 71
Generators 71 - 83
Compressors 75 - 86
Impact Equipment
Type Noise Levels (dBA) at 50 Feet
Saws 71 - 82
Vibrators 68 - 82
Notes:
1 Referenced Noise Levels from the Environmental Protection Agency (EPA) Construction is anticipated to occur during the permissible hours according to the City’s General Plan.
Construction noise is considered a short-term impact and would be considered significant if construction activities are taken outside the allowable times described in the City’s General Plan (Section 7-12.22).
Construction noise will have a temporary or periodic increase in the ambient noise level above the existing noise level within the Project vicinity. Furthermore, noise reduction measures are provided to reduce construction noise further. The construction noise impact is considered less than significant; however, construction noise level projections are provided.
Typical operating cycles for these types of construction equipment may involve one or two minutes of full power operation followed by three to four minutes at lower power settings. Noise levels will be loudest during the grading phase. A likely worst-case construction noise scenario during grading assumes the use of a grader, a dozer, an excavator, and three (3) backhoes operating at 80 feet from the nearest sensitive receptor.
To ensure that construction activities do not disrupt the adjacent land uses, mitigation measures for noise reduction MM NOI-2 through MM NOI-6 shall be required.
The Project will have a less than significant impact with mitigation on the generation of temporary or permanent increases in ambient noise levels in the vicinity of the Project.
MM NOI-2: Construction shall occur during the hours of 7:00 AM to 7:00 PM.
MM NOI-3: Stationary construction noise sources such as generators or pumps should be located as far as feasibly possible from any existing adjacent residential units, as feasible.
MM NOI-4: Construction staging areas should be located as far as feasibly possible from any adjacent sensitive land uses as feasible.
MM NOI-5: During construction, the contactor shall ensure all construction equipment is equipped with appropriate noise attenuating devices.
MM NOI-6: Equipment shall be maintained so that vehicles and their loads are secured from rattling and banging.
MM NOI-7: Grading and construction contractors shall use quieter equipment as opposed to noisier equipment (such as rubber-tired equipment rather than track equipment), to the maximum extent feasible. b) Generation of excessive groundborne vibration
or groundborne noise levels?
Response:
Concord Residential Project Page 59 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Construction activities can produce a vibration that may be felt by adjacent land uses. The Project's construction would not require the use of equipment such as pile drivers, which are known to generate substantial construction vibration levels. The primary vibration source during construction may be from a bulldozer. A large bulldozer has a vibration impact of 0.089 inches per second peak particle velocity (PPV) at 25 feet, which is perceptible but below any risk to architectural damage.
The fundamental equation used to calculate vibration propagation through average soil conditions and distance is as follows:
PPVequipment = PPVref (100/Drec)n
Where: PPVref = reference PPV at 100ft.
Drec = distance from equipment to receiver in ft.
n = 1.1 (the value related to the attenuation rate through ground) The Caltrans Transportation and Construction Induced Vibration Guidance Manual thresholds in the table below provide general thresholds and guidelines as to the vibration damage potential from vibratory impacts.
Guideline Vibration Damage Potential Threshold Criteria Structure and Condition
Maximum PPV (in/sec)
Transient
Sources
Continuous/Frequent
Intermittent Sources
Extremely fragile historic buildings, ruins, ancient monuments 0.12 0.08 Fragile buildings 0.2 0.1
Historic and some old buildings 0.5 0.25
Older residential structures 0.5 0.3
New residential structures 1.0 0.5
Modern industrial/commercial buildings 2.0 0.5
Source: Table 19, Transportation and Construction Vibration Guidance Manual, Caltrans, Sept. 2013.
Note: Transient sources create a single isolated vibration event, such as blasting or drop balls. Continuous/frequent intermittent sources include impact pile drivers, pogo-stick compactors, crack-and-seat equipment, vibratory pile drivers, and vibratory compaction equipment.
At a distance of 80 feet, a large bulldozer would yield a worst-case 0.025 PPV (in/sec), which slightly perceptible, but sustainably below any risk of damage (0.5 in/sec PPV is the threshold of residential structures). The impact is less than significant, and no mitigation is required. 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 two
miles of a public airport or public use airport,
would the project expose people residing or
working in the project area to excessive noise
levels?
Response:
The Project site is located outside the noise contours for the Compton/Woodley Airport and will have no impact on exposing people to excessive airport noise levels.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure N-1 – Existing CNEL Nos Contours
• Figure N-2 – Existing Airport Noise Contours
• Figure N-3 – Future CNEL Noise Contours
Concord Residential Project Page 60 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
• Figure N-4 – Future Airport Noise Contours
• Table N-1 – Noise/Land Use Compatibility Matrix
• Table N-2 – Interior and Exterior Noise Standards
3. Chapter 30 – Zoning of the Compton Municipal Code
4. Section 7-12 – Noise of the Compton Municipal Code
5. Compton Residential Development Noise Impact Study – prepared by MD Acoustics LLC, April 14, 2021
XIV. POPULATION AND HOUSING – 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 road or other
infrastructure)?
Response:
The City’s General Plan establishes the development potential of the City to accommodate the City’s growth. The Project, as proposed, will help to accommodate that growth but will not induce it.
The Project site is located on existing streets, and utilities and public facilities are all available in the immediate area. No new road or utility infrastructure is required. Project-related impacts are expected to be less than significant.
b) Displace substantial numbers of existing people
or housing, necessitating the construction of replacement housing elsewhere? Response:
The Project site is vacant and will not displace any persons or require the construction of replacement housing. Therefore, there is no impact on housing.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
XV. PUBLIC SERVICES – 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?
Response:
The Project is located approximately .9 miles from Fire Station #1, located at 201 South Acacia Avenue, three (3) minutes away. As a result, fire personnel will reach the site within the average 4.5-minute response time. The Fire Department will approve the Project site plan to ensure it meets applicable fire standards and regulations.
The Fire Department will review the Project for compliance with all Fire Codes. By implementing all regulations and City policies for development projects, the Project will have a less than significant impact on fire services, directly, indirectly, and cumulatively. ii) Police protection?
Response:
Police protection is provided by the Los Angeles County Sheriff’s Department. The Project site is served by the Compton Station, located at 301 South Willowbrook Avenue. Emergency response times throughout the City average 2.5-minutes.
Concord Residential Project Page 61 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project provides two (2) access points for the Police Department off of West 151st Street. The Police Department will review the Project for compliance with all Safety Codes. By implementing all regulations and City policies for development projects, the Project will have a less than significant impact on police services, directly, indirectly, and cumulatively.
iii) Schools?
Response:
The Project is located within the service area boundary of the Compton Unified School District. The closest school to the Project site is the Laurel Street Elementary School (1321 West Laurel Street), located approximately 641-feet from the closest point of the subject property or a little over a .12 of a mile. The Project is required to pay the state-mandated school fees in place at the time that development occurs. These fees are designed to mitigate impacts to schools by providing funds for the construction of new facilities. By implementing all regulations and City and School District policies for development projects, the Project will have a less than significant impact on schools, directly, indirectly, and cumulatively. iv) Parks?
Response:
The City of Compton Parks and Recreation Department maintains 14 local parks that encompass 60 acres of parkland. The nearest parks to the subject property are Gonzales, Walter R. Tucker, and Wilson Parks.
The Project will increase the demand for public parks. The City imposes a fee for residential projects of $4779.06 per unit. This fee is designed to reduce the impacts of new development on City park facilities.
By implementing all regulations and City policies for development projects, the Project will have a less than significant impact on parks, directly, indirectly, and cumulatively. v) Other public facilities?
Response:
The Project will result in a minor increase in demand for City services and facilities, including recreational trails and library services. This increase is consistent with the General Plan Vision 2010 projections for these facilities. It will be offset by the increased property and sales tax generated by the build-out of the Project. Therefore, impacts to other public facilities are less than significant, directly, indirectly, and cumulatively.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure OS-1 – Conservation/Open Space/Parks and Recreation Plan • Figure PF-1 – Public Facilities
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 7 – Police Regulations of the Compton Municipal Code
4. Chapter 8 – Public Safety of the Compton Municipal Code
5. Chapter 14 – Building and Housing of the Compton Municipal Code
6. Chapter 22 – Fire Prevention and Protection of the Compton Municipal Code
7. Chapter 18 – Public Parks and Playgrounds of the Compton Municipal Code XVI. RECREATION – Would the project:
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? Response:
The City of Compton Parks and Recreation Department maintains 14 local parks that encompass 60 acres of parkland. The nearest parks to the subject property are Gonzales, Walter R. Tucker, and Wilson Parks.
Concord Residential Project Page 62 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project will increase the demand for public parks. However, it will not increase the demand over that planned under the General Plan Vision 2010. The City imposes a fee for residential projects of $4779.06 per unit. This fee is designed to reduce the impacts of new development on City park facilities.
By implementing all regulations and City policies for development projects, the Project will have a less than significant impact on parks, directly, indirectly, and cumulatively. b) Does the project include recreational facilities or
require the construction or expansion of recreational facilities which have an adverse physical effect on the environment?
Response:
The Project does provide some open space areas. It will not require the construction or expansion of recreational facilities as the site was planned for residential development under the General Plan Vision 2010. Therefore, the Project will have no impact on recreational facilities, causing an adverse effect on the environment.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure OS-1 – Conservation/Open Space/Parks and Recreation Plan
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 18 – Public Parks and Playgrounds of the Compton Municipal Code XVII.TRANSPORTATION – Would the project:
a) Conflict with program plan, ordinance, or policy
addressing the circulation system, including
transit, roadway, bicycle and pedestrian facilities?
Response:
CITY OF COMPTON GENERAL PLAN 2010 – CIRCULATION ELEMENT
MASTER PLAN OF STREETS AND HIGHWAYS
Compton Boulevard is proposed in the General Plan as a Secondary Highway. A Secondary Highway has an 80-foot right-of-way with a 60-feet curb-to-curb. Currently, Compton Boulevard is already built and designed to the General Plan standards.
West 151st Street, South Kemp Avenue, and South Dwight Avenue are local streets, and the Project will build the half-width of each of these streets wherever it is currently missing.
ALTERNATIVE MODES OF TRANSPORTATION
Pedestrian and Bicycles
Sidewalks and curb ramps at intersections are present in the study area, except on the east side of South Dwight Avenue along the Project’s frontage and on the north side of West 151st Street along the Project’s frontage, where they are absent. The Project will complete sidewalks adjacent to the Project site for use by pedestrians.
The Bicycle Master Plan (May 2015) proposes a Class IV Protected Bicycle Lane on West Compton Boulevard. However, the Plan does not indicate which side of West Compton Boulevard the lane is proposed for, and the City Engineer has not requested that the Project accommodate such a lane.
Therefore, the Project will have a less than significant impact on on-site roadway and site access improvements.
Public Transit Services
Concord Residential Project Page 63 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The City of Compton is served by Los Angeles Metro, which provides bus service throughout Los Angeles County. The figure below shows the Metro routes in the vicinity of the City of Compton. Additionally, the Compton Renaissance Transit System provides limited local service within the City of Compton.
There is one bus route within one‐quarter mile of the Project site. Metro Route 51/351 travels between the Wilshire/Vermont Purple Lane Station to the Compton Transit Center. In the Project's vicinity, Route 51/351 runs along West Compton Boulevard with a stop at the West Compton Boulevard/South Dwight Avenue intersection adjacent to the Project site. Route 51/351 runs from 5:00 AM to 10:00 PM on weekdays with headways of 20‐35 minutes and weekends with 30‐45 minute headways.
TEMPORARY TRAFFIC IMPACTS FROM CONSTRUCTION
The Project will be export approximately 4,320-cubic yards of dirt during the grading stage of construction, which is approximately 308 truckloads. The Project will follow the requirements of Section 20-3.12 – Care of Excavated Material for trenching within the streets and Section 14-1.13 – Appendix Chapter 33 Excavation and Grading of the Municipal Code.
To ensure that construction trips will not significantly impact the area mitigation measure, MM TRAF-1 is proposed. Implementing MM TRAF-1 will ensure that construction trips will be less than significant with mitigation and will not significantly impact the roadway system.
MM TRAF-1: Prior to any lane closure or detour, the developer shall submit a Construction Traffic Management Plan per the California M.U.T.C.D. for review and approval by the City Engineer. The plan shall include, but not be limited to, signing, truck routes per the City of Compton Approved Truck Route Map (Figure C-4 of the General Plan Visions 2010), and construction hours of 7:00 a.m. to 7:00 p.m. Monday through Saturday per the Municipal Code Section 7-12. 22 – Construction or Repairing of Buildings, Pile Drivers, Hoists, Steam Shovels of the City of Compton Municipal Code.
Concord Residential Project Page 64 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
CITY CAPITAL IMPROVEMENT PROGRAM (CIP)
There are no CIP projects proposed for West Compton Boulevard, South Kemp Avenue, West 151st Street, and South Dwight Street. Adherence to all Engineering requirements for the adjacent streets will ensure no impact on the City’s CIP, directly, indirectly, and cumulatively.
HIGHWAY SAFETY IMPROVEMENT PROJECT GRANTS FOR COMPTON BOULEVARD The City has received funding from two Highway Safety Improvement Project grants (HSIP Cycle 7 and 8) to improve Compton Boulevard. The Cycle 7 grant includes the installation of raised medians and Class II bicycle lanes on Compton Boulevard from Willowbrook Avenue to eastern City limits. The Cycle 8 grant includes the installation of bike lanes and lighting, as well as enhanced pedestrian crossings at 15 intersections on Compton Boulevard from Willowbrook Avenue to Central Avenue. Additional street improvements for the entire length of Compton Boulevard to complete both grants will utilize other various funding sources.
The City is currently in the design phase for Compton Boulevard and has not identified the type of street trees that would be included. Therefore, the streetscape for this project will be reviewed by the City for consistency with the development of the grant plans.
LOS ANGELES COUNTY METROPOLITAN TRANSPORTATION AUTHORITY CMP The Los Angeles County Metropolitan Transportation Authority Congestion Management Program (CMP) designates certain roadways as CMP facilities. West Compton Boulevard, South Kemp Avenue, West 151st Street, and South Dwight Avenue are not covered by the CMP.
Consistent with state statute, all local jurisdictions within Los Angeles County, including the County of Los Angeles, adopted and are currently implementing the Land Use Analysis Program. Generally, jurisdictions adopt resolutions or ordinances based on the model Land Use Analysis Program resolution in Appendix D of the CMP. Future modifications to the jurisdiction's adopted Land Use Analysis Program must be submitted to MTA prior to local adoption. These documents will be kept on file as evidence of local CMP implementation.
Techniques that jurisdictions have found useful in implementing and coordinating Land Use Analysis Program requirements include:
• Incorporating CMP Land Use Analysis Program requirements and related information into project/permit applications and guidance packages provided to project applicants. • Incorporating a CMP reference into Initial Study checklists. • Adding CMP-related requirements and information into standard Requests for Proposals and contracts for EIR consultants.
• Adding MTA and other area transit operators to standard mailing lists used for CEQA related notices.
Since this Project does not include any CMP-designated roadways or there would be no impact under the CMP’s guidelines, directly, indirectly, or cumulatively.
SUMMARY
Therefore, the Project as designed and conditioned will have a less than significant impact with mitigation, directly, indirectly, and cumulatively on any program plans, ordinances, or policies addressing the circulation system, including transit, roadway, bicycle and pedestrian facilities. b) Conflict or be inconsistent with CEQA Guidelines section 15064.3, subdivision (b)? Response:
Coordination with City staff has identified the use of OPR's Technical Advisory on Evaluating Transportation Impacts in CEQA (2018). OPR's Technical Advisory document outlines the screening criteria, a Concord Residential Project Page 65 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
threshold of significance, and requirements for VMT assessment of land use projects. Outlined in the Technical Advisory, the VMT threshold of significance has been identified as fifteen (15) percent below existing residential VMT per capita. In addition, the document outlines a variety of acceptable mitigation measures. This memorandum utilizes the California Air Pollution Control Officers Association (CAPCOA) Qualifying Greenhouse Gas Mitigation Measures (2010) for purposes of mitigation and VMT reduction.
The Project is surrounded by residential uses and will complement the adjacent area. Outlined in the CAPCOA document, travel demand measures are provided, reducing a project's VMT. Of particular note, LUT-01 references an increase in density and its impact on VMT; projects with increased densities reduce greenhouse gas emissions associated with traffic in several ways. Considering the proposed Project's density and applying the LUT-01, the Project's VMT can be reduced by 15.56%. As the Project's density can reduce the proposed Project's VMT by 15.56% (greater than 15%), it is assumed the project will have a less than significant transportation impact. c) Substantially increase hazards due to a geometric design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)?
Response:
Wherever necessary, roadways adjacent to the proposed project site and site access points should be constructed in compliance with recommended roadway classifications and respective cross-sections in the City of Compton General Plan Circulation Element or as directed by the City Engineer. The City Engineer has reviewed the Project, and the only possible hazard was one of stopping sight distance for the Project Driveways. As such, a Sight Distance Analysis was prepared.
Sight Distance Analysis
A sight distance analysis for the Project driveway has been prepared based on the “stopping sight distance” requirements determined by Topic 201 and Table 201.1 of the Caltrans Highway Design Manual (HDM), latest edition. The table below shows the minimum stopping sight distances based on the design speed, as displayed in Table 201.1 of the HDM.
Stopping Sight Distance
Design Speed (mph) Stopping Sight Distance
(ft)
25 150
30 200
35 250
40 300
45 360
50 430
Source: Table 201.1, Highway Design Manual (July 2, 2018) Note: mph = miles per hour; ft = feet
In this analysis, the movements being analyzed at the Project Driveway intersections are movements from the exiting vehicles onto West 151st Street. Since there is no posted speed limit on West 151st Street between South Dwight Avenue and South Kemp Avenue, the 85th percentile speed is assumed to be 25 miles per hour.
Exhibit 9 displays the sight distance conditions at the project driveway in relation to the existing sidewalk, striping, and parking on 151st Street. The exhibit shows the required 15-foot setback from the edge of travel way and the 15-feet of sight distance required based on the assumed 85th percentile speed of 25 miles per hour.
Concord Residential Project Page 66 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
As shown in Exhibit 9, the stopping sight distance requirements would be impaired by existing parking 151st Street west and east of the driveways. To meet the stopping sight distance standard, approximately 348 feet of red-curb would need to be painted on the north side of 151st Street.
However, the traffic engineer, TJW, notes that Section 405.1 of the Highway Design Manual recommends that parking restrictions on urban driveways be set per California Manual on Uniform Traffic Control Devices (CA MUTCD) Section 3B.19. Section 3B.19 recommends a clearance of six-feet measured from the curb return should be provided at both sides of a driveway. It is TJW’s recommendation that the CA MUTCD guidance be followed and a clearance of 6-feet be provided at both sides of the driveway.
Therefore, with the implementation of mitigation measure, MM TRAF-2, the Project will have a less than significant impact on sight distance for the driveway on West 151st Street.
MM TRAF-2: Approximately six-feet of red‐curb shall be painted on both sides of the driveways and Section 3B.19 of Section 405.1 of the Highway Design Manual standards shall be applied. d) Result in inadequate emergency access?
Response:
The Project provides adequate access on-site for emergency vehicles (i.e., police and ambulance services) and can be accessed from all four sides by the Fire apparatus. The Project has been reviewed by the City Engineer and the City Fire Department and, as designed, will have no impact on emergency access.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991 • Figure C-1 – Standard Street Cross Sections
• Figure C-2 – Master Plan of Streets and Highways
• Figure C-3 – Public Transit Plan
• Figure C-4 – Truck Routes
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code • Section 14-1.13 – Appendix Chapter 33 Excavation and Grading of the Compton Municipal Code
4. Section 20-3.12 – Care of Excavated Material of the Compton Municipal Code
5. Compton Bicycle Master Plan (May 2015)
• Figure 5-4 – Recommended Bikeway Network
6. Los Angeles County Public Works Traffic Impact Analysis Report Guidelines (January 1, 1997)
7. Los Angeles County Metropolitan Transportation Authority Congestion Management Program (CMP)
8. Compton & Kemp Traffic Impact Analysis – prepared by TJW Engineering, Inc., September 24, 2019
• Exhibit 9 – Sight Distance Analysis
9. Traffic & Parking Analysis: Compton & Kemp Residential Project – Supplemental Traffic Analysis Memo – prepared by TJW Engineering, Inc., February 26, 2021 XVIII. TRIBAL CULTURAL RESOURCES – Would the project:
a) Cause a substantial adverse change in the significance of a tribal cultural resource, defined in Public Resources Code Section 21074 as either a site, feature, place, cultural landscape that is geographically defined in terms of the size and scope of the landscape, sacred place, or object with cultural value to a California Native American tribe, and that is:
i) Listed or eligible for listing in the California Register of Historical Resources, or in a local register of historical resources as defined in Public Resources Code Section 5020.1(k), or
Response:
Concord Residential Project Page 67 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
A review of the National Register of Historic Places Geographic Information System, the California Office of Historic Preservation Website, and the City’s General Plan found that Compton is located on one of the oldest communities in Los Angeles County, dating back to 1784 when it was once a part of Rancho San Pedro. Archaeological sites exist in the City, but none are located in the area of the subject site.
The site has been developed at one time with a convalescent hospital that has since been demolished.
The disturbance of the property during this previous construction and demolition did not produce any archaeological resources.
Pursuant to AB 52 and SB 18 consultation with California Native American tribes requesting consultation within the City commenced on April 19, 2021. The six (6) tribes notified of this Project include the following tribes. • Gabrieleno Band of Mission Indians - Kizh Nation
• Gabrieleno/Tongva San Gabriel Band of Mission Indians • Gabrielino/Tongva Nation
• Gabrielino Tongva Indians of California Tribal Council • Gabrielino Tongva Tribe
• Soboba Band of Luiseño Indians
The 60-day response period for AB 52 will end on June 18, 2021. The 90-day response period for SB 18 will end on July 19, 2021. The City will consult with all tribes requesting a consultation and will coordinate the appropriate mitigation, if any into this environmental review.
Therefore, there will be no impact on listed or eligible for listing in the California Register of Historical Resources, or in a local register of historical resources as defined in Public Resources Code Section 5020.1(k).
ii) A resource determined by the lead agency, in
its discretion and supported by substantial evidence, to be significant pursuant to criteria set forth in subdivision (c) of Public Resources
Code Section 5024.1. In applying the criteria set
forth in subdivision (c) of Public Resources
Code Section 5024.1, the lead agency shall
consider the significance of the resource to a
California Native American tribe.
Response:
As noted above, archaeological sites exist in the City; however, none are located in the subject site as the site has been developed at one time with a convalescent hospital that has since been demolished.
The disturbance of the property during this previous construction and demolition did not produce any archaeological resources. As well, the City has started both AB 52 and SB 18 and AB 52 Tribal Consultations as noted above.
The disturbance of the property during this previous construction and demolition did not produce any archaeological resources. Therefore, it is anticipated the Project will have no impact on resources significant to a California Native American Tribe.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Los Angeles County General Plan 2008
Figure 6.8 - Historical and Cultural Resource Sites
4. National Register of Historic Places Geographic Information System, accessed September 13, 2019
5. California Office of Historic Preservation Website, accessed September 13, 2019
6. Phase I Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., April 27, 2018 Concord Residential Project Page 68 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
7. Phase II Environmental Site Assessment 930 Compton Boulevard – prepared by Stantec Consulting Services, Inc., May 8, 2019 XIX. UTILITIES AND SERVICE SYSTEMS – Would the project:
a) Require or result in the relocation or construction of new or expanded water, wastewater treatment or storm water drainage, electric
power, natural gas, or telecommunications facilities, the construction or relocation of which could cause significant environmental effects?
Response:
Water
See also responses Section X above and XIX b) below for additional information.
Water Supply Assessment
Senate Bill (SB) 610 (Chapter 643, Statutes of 2001; Water Code Sections 10910–10915) made changes to the Urban Water Management Planning Act to require additional information in UWMPs if groundwater is identified as a source available to the supplier. The information required includes a copy of any groundwater management plan adopted by the supplier, a copy of the adjudication order or decree for adjudicated basins, and if non-adjudicated, whether the basin has been identified as being over-drafted or projected to be over-drafted in the most current DWR publication on that basin. If the basin is in overdraft, that plan must include current efforts to eliminate any long-term overdraft. A key provision in SB 610 requires that large development projects supplied with water from a public water system and subject to CEQA be provided a specified water supply assessment, except as specified in the law. Large development projects include 500 or more residential units, 500,000 square feet of retail, commercial space, or 250,000 square feet of office commercial space. These assessments, prepared by “public water systems” responsible for service, address whether there are adequate existing or projected water supplies available to serve proposed projects, in addition to urban and agricultural demands and other anticipated development in the service area in which the project is located.
SB 221 (Chapter 642, Statutes of 2001; Government Code Section 66473.7) prohibits approval of subdivisions consisting of more than 500 dwelling units unless there is verification of sufficient water supplies for the project from the applicable water supplier(s). This requirement also applies to approvals that would increase the number of service connections by 10% or more for public water systems with less than 500 service connections. The law defines criteria for determining “sufficient water supply,” such as using normal, single-dry, and multiple-dry year hydrology and identifying the amount of water that the supplier can rely on to meet existing and future planned uses. Rights to extract additional groundwater, if used for the project, must be substantiated.
The Project proposes 60 townhomes served by the City of Compton Municipal Water District (CMWD).
Since the Project proposes less than 500 dwelling units, a water supply assessment (WSA) was not required.
The City of Compton Municipal Water District (CMWD) has two major sources of water. It currently has access to 5,780 acre-feet of groundwater that is supplied via seven (7) wells. Water is pumped from these wells and flows into a grid system, distributed using a gravity-fed system via 163 miles of 2 to 24- inch diameter pipes. In addition, the Metropolitan Water District of Southern California (MWD) supplies approximately 30-60% of the City’s water demand. MWD has three active interconnections to the City.
The purchased water from MWD augments the water from the wells via the distribution system and flows into four 3-million-gallon welded steel-plate storage tanks for a total of 12,000 million gallons of storage.
These tanks take up any fluctuations in system pressure or flow deficiencies.
CMWD will provide water to the site via one (1) six (6)-inch point of connection in West 151st Street at the westernmost driveway and one connection in Compton Boulevard. Per the CMWD’s 2010 Urban Water Management Plan (UWMP), CMWD has the supply needed to meet the demand of its customers through 2030 based on the land use designations of the General Plan Vision 2010. The conclusion is Concord Residential Project Page 69 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
based on the Metropolitan Water District (MWD) assurances that it would be able to supply member agency demands and the reliability of local groundwater supplies achieved through groundwater management plans. CMWD has committed to providing service to the planned uses of the General Plan, and this Project is consistent with the City’s General Plan. The Project will not require or result in the relocation or construction of new or expanded water lines or facilities, which could cause significant environmental effects. Therefore, the Project will have a less than significant effect, directly, indirectly, or cumulatively, on water facility expansion.
Wastewater Treatment
See also response Section X above and XIX c) below for additional information.
Sanitary sewage from the Project site will be connected to the existing 12-inch sanitary sewer line located in West Compton Boulevard through the new lines proposed within the newly created streets within the Project. The wastewater will then be transported to the Los Angeles County Sanitation District (LACSD) sewage system.
Wastewater in the City of Compton is collected by the LACSD sewage system and sent to one of eleven treatment or wastewater plants. At these plants, the wastewater goes through a three-stage treatment process consisting of primary, secondary, and tertiary treatment stages. After tertiary treatment, water is available for use to recycled water customers, use for groundwater recharge, or discharged into the ocean. Although the City of Compton is not part of a recycled water system, wastewater collected from the City is treated to recycled water standards and can be distributed through the LACSD’s recycled water supply system.
LACSD implements all requirements of the Regional Water Quality Control Board pertaining to water quality and wastewater discharge. LACSD’s Recycled Water System accepts approximately 500 million gallons per day of wastewater, which is sent to 11 wastewater treatment plants. The treated water is distributed throughout the recycled water distribution system.
LACSD has the capacity to process the wastewater planned under the General Plan Vision 2010, and this Project is consistent with the General Plan Vision 2010. The addition of the proposed Project will not significantly impact LACSD’s capacity, and impacts associated with wastewater treatment will be less than significant, directly, indirectly, and cumulatively.
All new development is required to comply with all provisions of the NPDES program and the City’s Municipal Separate Sewer Permit (MS4), as enforced by the Regional Water Quality Control Board (RWQCB). The Project is consistent with the General Plan proposing residential units. Compliance with the City’s, LACSD’s, all Waste Discharge Requirements outlined by the RWQCB, as well as requirements included in the NPDES permit, SWPPP, LID, and wastewater conveyance standards would ensure that wastewater discharges coming from the Project site and treated by the wastewater treatment facility system would not exceed applicable RWQCB wastewater treatment requirements or capacity.
Impacts would be less than significant with mitigation, directly, indirectly, or cumulatively.
Storm Water Drainage
The existing site is currently vacant, pervious land. Elevations onsite range between approximately 81 feet to 85 feet above mean sea level, with a relative low point near the site's northeast corner. Existing site drainage is generally directed as sheet flow in the northeast direction and overflows into the rightsof-way of West Compton Boulevard and South Kemp Avenue. Within West Compton Boulevard and South Kemp Avenue, two (2) existing catch basins capture and convey stormwater to an existing Los Angeles County Flood Control District (LACFCD) 66” storm drain facility within West Compton Boulevard, which flows in the easterly direction and outlets to the existing Compton Creek. Compton Creek drains to the existing Los Angeles River and ultimately the Pacific Ocean at San Pedro Bay.
Proposed site drainage will be collected and conveyed by two (2) proposed curb-inlet catch basins and an area drain system to two (2) proposed underground detention systems, which will discharge to the existing LACFCD 66” storm drain at two (2) points of connection. Low flows will be directed to proposed Concord Residential Project Page 70 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
Modular Wetlands System (MWS) Biofiltration Vaults for water quality treatment prior to entering the proposed detention systems. During larger storm events, stormwater runoff will bypass the treatment systems and be conveyed directly to the proposed detention system. The detention system will be equipped with an orifice to mitigate the peak discharge rate to the allowable peak flow rate (Allowable Q) provided by the Los Angeles County Department of Public Works (LACDPW). Excess flows will be temporarily detained as they are released at the Allowable Q. Refer to Appendix H of the Preliminary Hydrology and Hydraulics Study for the Allowable Q provided by LACFCD.
The Project will comply with the requirements of Chapter 31 – Runoff Pollution Control of the Municipal Code. As such, a Preliminary Low Impact Development (LID) Plan has been prepared consistent with the Los Angeles County Department of Public Works LID Manual and the intent of the NPDES stormwater requirements (State Water Resources Control Board (SWRCB) National Pollutant Discharge Elimination System (NPDES) General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities, Order No. 2009-0009-DWQ, NPDES No. CAS000002, dated July 1, 2010.
The Project will not impact the existing stormwater management systems significantly. The Project will result in an incremental increase in the volume of stormwater; however, the City will require that the incremental increase in volume be managed on-site. The preparation of site-specific hydrology studies, water management plans, and Project design and compliance with existing federal, state, and local water quality laws and regulations related to water quality standards will ensure a less than significant impact, directly, indirectly, and cumulatively to stormwater facilities.
Electric Power
Electric power is provided to the site by Southern California Edison (SCE). The Project will utilize a 400- amp service for the 5-plex buildings and an 800-amp service for the 10-plex buildings. The services will be connected to existing 12kV 120/208, 3-phase distribution lines in West Compton Boulevard. SCE has committed to providing service to the planned uses of the General Plan, and this Project is consistent with the City’s General Plan. The Project will not require or result in the relocation or construction of new or expanded electric power, which could cause significant environmental effects. Therefore, the Project will have a less than significant effect on electric power expansion.
Natural Gas
The Project will not utilize natural gas. Southern California Gas Company has natural gas lines in West Compton Boulevard (four-inch) and within the adjacent streets (two-inch). The Project will not require or result in the relocation or construction of new or expanded natural gas facilities power, which could cause significant environmental effects. Therefore, the Project will have a less than significant effect on natural gas facility expansion.
Telecommunications Facilities
Both Charter and AT&T have lines on the existing 80-foot high poles along West Compton Boulevard.
These lines are to be protected in place. Therefore, the Project will have a less than significant effect on telecommunication facility expansion.
Summary
As noted above and in responses Section X and XIX b) above of this document, the Project will be less than significant directly, indirectly, or cumulatively, on 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?
Response:
Concord Residential Project Page 71 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project proposes 60 townhomes; a water supply assessment from CMWD, the water purveyor, is not required.
As noted above, the water usage for the Project is consistent with the predicted use and growth identified in the UWMP, insofar as the CMWD based its planning on land use designations in its service district.
The Project will tie into existing domestic water lines in West 151st Street. No new wells or additional water infrastructure, or entitlements will be required.
The Project will be required to implement all water conservation measures imposed by CMWD under normal and drought conditions over the life of the Project. The Project will be required to implement any emergency measures in effect when the Project is developed.
As the Project is consistent with the General Plan Vision 2010 upon which CMWD has made their assumptions for planned water availability and compliance with all State and local regulations, impacts to water supplies will be less than significant, directly, indirectly, and cumulatively. 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?
Response:
See also response Section X and XIX a) above for additional information.
Sanitary sewage from the Project site will be connected to the existing 12-inch sanitary sewer line located in West Compton Boulevard through the new lines proposed within the newly created streets within the Project. The wastewater will then be transported to the Los Angeles County Sanitation District (LACSD) sewage system.
The Project will be served by the Los Angeles County Sanitation District (LACSD) sewer infrastructure.
C&V Consulting, Inc. has prepared a Sewer Area Study. The existing sewer system analyzed in the area study has a design capacity above the calculated cumulative flow. The peak discharge at the downstream end of the sewer system 15” pipe entering the County Sanitation District No. 1 existing 31.3” sewer trunk main is calculated to be a rate of 1.8465 cfs with a flow depth of 7.61 inches. Refer to Appendix B of the Sewer Area Study for calculations and tabulated results. Therefore, it is concluded that the existing sewer system has adequate capacity for the proposed development.
Wastewater in the City of Compton is collected by the LACSD sewage system and sent to one of eleven treatment or wastewater plants. At these plants, the wastewater goes through a three-stage treatment process consisting of primary, secondary, and tertiary treatment stages. After tertiary treatment, water is available for use to recycled water customers, use for groundwater recharge, or discharged into the ocean. Although the City of Compton is not part of a recycled water system, wastewater collected from the City is treated to recycled water standards and can be distributed through the LACSD’s recycled water supply system.
LACSD implements all requirements of the Regional Water Quality Control Board pertaining to water quality and wastewater discharge. LACSD’s Recycled Water System accepts approximately 500 million gallons per day of wastewater, which is sent to 11 wastewater treatment plants. The treated water is distributed throughout the recycled water distribution system.
LACSD has the capacity to process the wastewater planned under the General Plan Vision 2010, and this Project is consistent with the General Plan Vision 2010. Compliance with the City’s, CMWD’s, all Waste Discharge Requirements outlined by the RWQCB, as well as requirements included in the NPDES permit, SWPPP, LID, and wastewater conveyance standards would ensure that wastewater discharges coming from the Project site and treated by the wastewater treatment facility system would not exceed applicable RWQCB wastewater treatment requirements or capacity. Impacts would be less than significant, directly, indirectly, or cumulatively.
Concord Residential Project Page 72 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
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? Response:
Republic Services will provide trash collection. Republic Services transports solid waste local transfer stations for recycling, with the non-recyclable waste disposed of at local landfills. With the implementation of the City’s and Republic Services recycling programs, the City continues to divert waste from the landfill. Therefore, landfill capacity is available to accommodate this Project, and the Project will have a less than significant impact, directly, indirectly, and cumulatively on landfills. e) Comply with federal, state, and local management and reduction statutes and regulations related to solid waste? Response:
Federal, State, and local statutes and regulations regarding solid waste generation, transport, and disposal are intended to assure adequate landfill capacity through mandatory reductions in solid waste quantities (for example, through recycling and composting of green waste) and the safe and efficient transportation of solid waste. The Project will comply with all regulatory requirements regarding solid waste, including AB 939 and AB 341. AB 939, which the California Department of Resources Recycling and Recovery administered, required local governments to achieve a landfill diversion rate of at least 50 percent by January 1, 2000, through source reduction, recycling, and composting activities. Moreover, AB 341 increases the minimum solid waste diversion rate to 75 percent by 2020. Such regulations will apply to this Project, and compliance is mandatory. Further, mandates set forth by the CALGreen Code aim to reduce solid waste generation and promote recycling and diversion design and activities, to which this Project is required to comply. There will be no impacts, directly, indirectly or cumulatively, regarding compliance with Federal, State, and local statutes and regulations related to solid waste.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
4. Chapter 23 – Sewer and Water of the Compton Municipal Code
5. Chapter 31 – Runoff Pollution Control of the Compton Municipal Code
6. 2010 Urban Water Management Plan (UWMP), City of Compton Water District
7. FEMA Flood Map Service Center: Search By Address website, accessed September 22, 2019
8. Los Angeles County Department of Public Works LID Manual
9. State Water Resources Control Board (SWRCB) National Pollutant Discharge Elimination System (NPDES) General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities, Order No. 2009-0009-DWQ, NPDES No. CAS000002 dated July 1, 2010
10. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019
11. Sewer Area Study TTM No. 82807– prepared by C&V Consulting, Inc., September 2019, Revised April 2021 XX. WILDFIRE – 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? Response:
As stated in the response in Section IX above, the City’s Emergency Operation Plan describes the City’s process for responding to emergencies or disasters.
Project access will be provided by two driveways off West 151st Street and then via the internal street system. The proposed Project will not alter the existing circulation pattern in the Project area. Emergency access and evacuation routes will be unaffected by the proposed Project.
Concord Residential Project Page 73 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
The Project provides adequate access for emergency vehicles, including adequate street widths and vertical clearance on new streets. Implementation of federal, state, and local laws and regulations in this Project's construction ensures no impact on an adopted emergency response plan or 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?
Response:
In addition to response Sections VII and IX above, the Project site is not located within a Very High Fire Hazard Classification area. As well, the site is relatively flat and surrounded by residential uses. Therefore, the Project will not exacerbate wildfire risks and will have no impact, directly, indirectly, or cumulatively, to the exposure of pollutant concentration 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
on the environment?
Response:
The Project will not require the installation or maintenance of the associated infrastructure that would exacerbate fire risk or that may result in temporary or ongoing impacts on the environment and as such, will have no impact, directly, indirectly, or cumulatively. 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?
Response:
See Sections VII and IX above. The Project site is not located within a Very High Fire Hazard Classification area.
The site is situated on relatively level ground and is not immediately adjacent to any slopes or hillsides that could be potentially susceptible to slope instability. No signs of slope instability in the form of landslides, rockfalls, earth flows, or slumps were observed at or near the subject site during Sladden’s investigation.
The Project site is not located within a 100-year mapped flood zone (FEMA Flood Insurance Rate Map No. 06037C1815F (September 26, 2008). The Project would redirect on-site drainage patterns; however, it would not impede or redirect flood flows. As referenced, all drainage would be managed to ensure pre-construction flows off-site are maintained. The Project would not expose people or structures to flood hazards from severe storm events.
Therefore, the Project will have no impact, directly, indirectly, or cumulatively, as it is not expected to have a wildland fire on site and therefore, will not expose people or structures to significant risk from flooding or landslides as a result of a post-wildfire.
Sources:
1. Compton General Plan Vision 2010, adopted December 3, 1991
2. Chapter 30 – Zoning of the Compton Municipal Code
3. Chapter 14 – Building and Housing of the Compton Municipal Code
9. Chapter 20 – Streets and Sidewalks of the Compton Municipal Code • Section 20-3 – Street Excavations
• Section 20-6 – Temporary Street Closures
Concord Residential Project Page 74 City of Compton
ISSUES & SUPPORTING
INFORMATION SOURCES:
Potentially
Significant
Impact
Less Than
Significant
with
Mitigation Incorporated
Less Than
Significant
Impact
No
Impact
10. Los Angeles County Local All-Hazards Mitigation Plan – adopted 2014 • Figure 7-1 – Los Angeles County Very High Fire Hazard Severity Zones
4. Geotechnical Investigation 930 West Compton Boulevard – prepared by Alta California Geotechnical Inc., May 6, 2019
5. Sewer Area Study TTM No. 82807– prepared by C&V Consulting, Inc., September 2019, April 2021
XXI. MANDATORY FINDINGS OF SIGNIFICANCE
a) Does the project have the potential to substantially degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to
eliminate a plant or animal community, substantially reduce the number or restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory?
Response:
In Section IV (Biological Resources), and Sections V (Cultural Resources), and XVIII (Tribal Cultural Resources), it is noted that the Project was once developed with a convalescent hospital and is surrounded by urban development. As such, the site does not provide biological habitat. Due to the previous ground disturbance, the Project will have no impact on biological resources or eliminate important examples of significant periods of California history or pre-history. b) Does the project have impacts that are individually limited, but cumulatively considerable? (“Cumulatively considerable” means that the incremental effects of a project are considerable when viewed in connection with the effects of
past projects, the effects of other current project, and the effects of probable future projects.)? Response:
The Project will contribute to the cumulative impacts of development in the City of Compton and the broader area. However, the Project is in conformance with the City’s General Plan, and therefore, it will have a less than significant impact cumulatively.
c) Does the project have environmental effects
which will cause substantial adverse effects on
human beings, either directly or indirectly?
Response:
Effects on human beings were evaluated as part of the Air Quality, Energy, Geology and Soils, Greenhouse Gas Emissions, Hazards, and Hazardous Materials, Hydrology and Water Quality, Land Use/Planning, Population and Housing, Public Services, Recreation, and Utilities sections of this Initial Study and were found to be less than significant for each of the above sections. The effects on human beings were evaluated as part of the Aesthetics, Noise, Transportation, and Wildfire sections of this Initial Study and were found to be less than significant with mitigation. Based on the analysis and conclusions in this Initial Study, the Project will not cause substantial adverse effects, directly or indirectly, to human beings. Therefore, potential direct and indirect impacts on human beings that result from the proposed Project are less than significant with mitigation measures MM AES-1, MM AES-2, MM NOI-1 through MM NOI-6, and MM TRAF-1 and MM TRAF-2.
MITIGATION MONITORING & REPORTING PROGRAM (MMRP) FOR THE
CONCORD RESIDENTIAL PROJECT
1. Project Case Number(s): Development Agreement
General Plan Amendment
Change of Zone
Conditional Use Permit
Tentative Tract Map 82807
Undergrounding Exemption
Possible Mature Street Tree Removal
2. Project Title: Concord Residential Project (the “Project”)
3. Lead Agency: City of Compton
Robert Degadillo, Community Development Department
205 South Willowbrook Avenue
Compton, CA 90220
(310) 605-5532
[email protected]
4. Project Sponsor:
Applicant/Developer Property Owner
Kim Prijatel
Senior Vice President of Development
City Ventures
City Ventures
3121 Michelson Drive, Suite 150 3121 Michelson Drive, Suite 150 Irvine, CA 92612 Irvine, CA 92612
(949) 258-7540 (949) 258-7555
[email protected]
5. Project Location:
The Project site is located at 930 West Compton Boulevard, bounded by West Compton Boulevard to the north, West 151st Street to the south, South Kemp Avenue to the east, and South Dwight Avenue to the west, in the City of Compton, County of Los Angeles, California, as shown in Figure A – Aerial. The site is in Township 3 South, Range 13 West, San Bernardino base and meridian, and comprises Tax Assessor parcel number 6161-001-902.
Concord Residential Project Page 2 City of Compton
CONCORD RESIDENTIAL PROJECT
Mitigation Measures Responsible
Party
Monitoring Timing
or Frequency
Type of
Verification
Verification of
Compliance
Initials Date
AESTHETICS
MM AES-1 Prior to building permit issuance, the developer shall ensure that the design of the buildings
shall reduce the number of reflective surfaces
used in the construction to minimize new
sources of glare. Exterior building materials
shall use earth tone light colors with low
reflectance. Any bare metallic surfaces found
on infrastructures such as pipes and poles
shall be painted to minimize reflectance and
glare.
Developer Prior to Building
Permit Issuance
Planning shall
ensure that plan is
reviewed and
approved
REMARKS:
NOISE
MM NOI-1 The windows and sliding glass doors facing the West Compton Boulevard shall require a
minimum STC rating of 26 for the 1st and 2nd
floors.
Developer Prior to Building
Permit Issuance
Planning shall verify
on Plan Check set
of plans
REMARKS:
MM NOI-2 Construction shall occur during the hours of
7:00 AM to 7:00 PM.
Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
any noise
complaints shall be
processed.
REMARKS:
MM NOI-3 Stationary construction noise sources such as
generators or pumps should be located as far
as feasibly possible from any existing adjacent
residential units, as feasible. Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
any noise
complaints shall be
processed.
REMARKS:
MM NOI-4 Construction staging areas should be located
as far as feasibly possible from any adjacent
sensitive land uses as feasible. Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
Concord Residential Project Page 3 City of Compton
CONCORD RESIDENTIAL PROJECT
Mitigation Measures Responsible
Party
Monitoring Timing
or Frequency
Type of
Verification
Verification of
Compliance
Initials Date
any noise
complaints shall be
processed.
REMARKS:
MM NOI-5 During construction, the contactor shall ensure all construction equipment is equipped with
appropriate noise attenuating devices.
Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
any noise
complaints shall be
processed.
REMARKS:
MM NOI-6 Equipment shall be maintained so that vehicles and their loads are secured from rattling and
banging.
Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
any noise
complaints shall be
processed.
REMARKS:
MM NOI-7 Grading and construction contractors shall use quieter equipment as opposed to noisier
equipment (such as rubber-tired equipment
rather than track equipment), to the maximum
extent feasible.
Developer
Monitor During All
Earthmoving and
Construction Activity
City Engineer and
Building Inspectors
shall monitor during
inspections. As well
any noise
complaints shall be
processed.
REMARKS:
TRANSPORTATION
MM TRAF-1 Prior to any lane closure or detour, the
developer shall submit a Construction Traffic
Management Plan per the California
M.U.T.C.D. for review and approval by the City
Engineer. The plan shall include, but not be
limited to, signing, truck routes per the City of
Compton Approved Truck Route Map (Figure
C-4 of the General Plan Visions 2010), and
construction hours of 7:00 a.m. to 7:00 p.m.
Monday through Saturday per the Municipal
Developer Prior to Grading
Permit Issuance
Engineering and
Planning will review
and approve the
Haul Route Plan
Concord Residential Project Page 4 City of Compton
CONCORD RESIDENTIAL PROJECT
Mitigation Measures Responsible
Party
Monitoring Timing
or Frequency
Type of
Verification
Verification of
Compliance
Initials Date
Code Section 7-12. 22 – Construction or
Repairing of Buildings, Pile Drivers, Hoists,
Steam Shovels of the City of Compton
Municipal Code.
REMARKS:
MM TRAF-2 Approximately six-feet of red‐curb shall be
painted on both sides of the driveways and
Section 3B.19 of Section 405.1 of the Highway
Design Manual standards shall be applied.
Developer Prior to Occupancy
Engineering will
ensure the curb has
been painted
REMARKS:
WILDFIRE
See MM TRAF-1
REMARKS:
6 Venture, Suite 225 | Irvine, California 92618 | t: (949) 878-3509 www.tjwengineering.com
February 26, 2021
Ms. Kim Prijatel
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92612
Subject: Traffic & Parking Analysis: Compton & Kemp Residential Project – Supplemental Traffic Analysis
Dear Ms. Prijatel,
TJW ENGINEERING, INC. (TJW) is pleased to submit this supplemental traffic analysis for the proposed Compton & Kemp residential project in the City of Compton. The project site is bound by Compton Boulevard to the north, Kemp Avenue to the east, W 151st Street to the south and Dwight Avenue to the west. A Traffic Impact Analysis was completed for the project in September 2019. Since then, the proposed project has been modified from 24 single-family dwelling units to 60 multi-family dwelling units. This supplemental traffic analysis is to provide an overview of the modifications to the proposed project. The project is anticipated to be built and generating trips in 2022. Site access is planned at two driveways on W 151st Street. The Project’s site plan is shown in Exhibit 1.
All methodologies outlined in the September 2019 study are followed and utilized in this memorandum, including trip distribution. The 2019 peak turning movement volumes were used in this report and a 2% annual growth was applied to the 2019 data to establish the project baseline year for 2021.
Trip Generation Analysis
Table 1 shows the revised trip generation of the proposed project. Dwight Avenue at Compton Boulevard was the study intersection previously analyzed for its level of service which include the following study scenarios; project baseline year, opening year without project, and opening year with project. The proposed project’s anticipated trip generation has increased by 212 daily trips 10 AM peak hour trips and 10 PM peak hour trips from the September 2019 study.
Table 1: Trip Generation
Proposed Land Use1 Quantity Unit2
Daily Trips (ADTs) AM Peak Hour PM Peak Hour
Rate Volume
Volume Volume
In Out Total In Out Total
Multifamily Housing (Low-Rise)
(220) 60.0 DU 7.32 439 6 20 28 21 12 34
1: Rates from ITE Trip Generation (10th Edition, 2017). 2: DU = Dwelling Units
Ms. Kim Prijatel Compton & Kemp Residential Project
February 26, 2021 Supplemental Traffic Analysis
TJW Engineering, Inc. 2 | Page
CVR19001 Compton & Kemp 02262021
Traffic Analysis – Level of Service (LOS)
Traffic volumes consist of (2019) traffic counts plus application of an annual ambient growth rate to establish the project baseline year, which in this case is (2021). The ambient growth rate used in this analysis is based on feedback provided on the scoping letter, which recommended a growth rate of 2% per year, applied for two years, to the (2019) traffic counts to account for ambient traffic growth.
Project baseline year traffic volumes (2021) = ((2019) traffic counts * 1.02^2) Project opening year traffic volume conditions include another 2.0 percent growth rate projected trips associated with ambient growth and any nearby cumulative projects, consistent with the September 2019 traffic impact analysis.
Project opening year traffic volumes (2022) = (project baseline year traffic volumes (2021* 1.02) The intersection analysis AM and PM peak hour results are shown in Table 2. ICU analysis sheets are attached to the Appendix for reference.
Table 2: Intersection Analysis
Note: ICU = Intersection Capacity Utilization. Delay shown in seconds for worst performing stop-controlled movement at driveways As shown in Table 2, the intersection is currently operating at an acceptable level of service for both AM and PM peak hours. The intersection is projected to continue to operate at an acceptable level of service during the AM and PM peak hours for project opening year (2022) without and with project conditions. Based on the City of Compton’s threshold of significance, the opening year with project (2022) conditions is not projected to have a significant impact at the study intersection.
Parking Analysis
The proposed project has been changed from 24 single-family dwelling units to 60 multi-family dwelling units.
Table 30.-21.A Parking Space Requirements in the City of Compton Zoning Code contains minimum parking requirements for various land uses in the City.
Condominiums and townhouses are required to provide two enclosed spaces per dwelling unit plus one guest space for every four units. The proposed project would be required to provide 120 enclosed parking spaces and 15 guest spaces. A total of 135 parking spaces are being proposed for the 60 multifamily dwelling units, meeting city parking code requirements.
As reported in the September 2019 study providing access to the proposed project will result in a loss of 6-8 on-street parking spaces on the north side of 151st Street between Dwight Avenue and Kemp Avenue due to the construction of two driveways with 6-feet of red curb on both sides of the driveways.
ICU/Delay1 LOS ICU/Delay1 LOS ICU/Delay1 LOS
AM 0.420 A 0.426 A 0.432 A 0.006 No
PM 0.425 A 0.432 A 0.434 A 0.002 No
Opening Year Without
Project (2022)
Project BaselineYear
(2021)
1 Dwight Compton Signal E
Opening Year With Projet
(2022) Change Impact? Target
LOS
Peak
Hour
Int N/S E/W Control Type
Ms. Kim Prijatel Compton & Kemp Residential Project
February 26, 2021 Supplemental Traffic Analysis
TJW Engineering, Inc. 3 | Page
CVR19001 Compton & Kemp 02262021
TJW collected on-street parking counts on the streets surrounding the project site in the afternoon and evening on Wednesday June 19th, 2019 from 4:00 PM to 12:00 AM to assess the existing parking inventory and occupancy. Evening hours were chosen since the overnight period is the peak period of parking demand for the residential uses adjacent to the site. Since the on-street parking supply is not striped, the inventory of each block face was projected based on observations in the field. And measurements of curb space.
The parking areas assessed were the south side of Compton Boulevard between Dwight Avenue and Kemp Avenue, both sides of Dwight Avenue between Compton Boulevard and 151St Street, both sides of 151st Street between Dwight Avenue and Kemp Avenue, and both sides Kemp Avenue between Compton Boulevard and 151st Street. A total of 94 on-street parking spaces were observed with a maximum demand of 61 vehicles (65 percent occupancy).
Although the project is expanding the number of dwelling units, the project will provide adequate parking per city parking code requirement. In addition, based on the parking data collection from the September 2019 report, there is adequate on-street parking availability nearby to accommodate any displacement from the loss of 6-8 on-street parking spaces on 151st Street.
VMT Analysis
Senate Bill (SB) 743 was adopted in 2013 requiring the Governor’s Office of Planning and Research (OPR) to identify new metrics for identifying and mitigating transportation impacts within the California Environmental Quality Act (CEQA). For land use projects, OPR has identified Vehicle Miles Traveled (VMT) as the new metric for transportation analysis under CEQA. The regulatory changes to the CEQA guidelines that implement SB 743 were approved on December 28th, 2018 with an implementation date of July 1st, 2020 as the new metric.
Coordination with City staff has identified the use of OPR's Technical Advisory on Evaluating Transportation Impacts in CEQA (2018). OPR's Technical Advisory document outlines the screening criteria, threshold of significance, and requirements for VMT assessment of land use projects. Outlined in the Technical Advisory, the VMT threshold of significance has been identified as fifteen (15) percent below existing residential VMT per capita. In addition, the document outlines a variety of acceptable mitigation measures. This memorandum utilizes the California Air Pollution Control Officers Association (CAPCOA) Qualifying Greenhouse Gas Mitigation Measures (2010) for purposes of mitigation and VMT reduction.
The project is surrounded by residential uses and will complement the adjacent area. Outlined in the CAPCOA document, travel demand measures are provided which can reduce a project's VMT. Of particular note, LUT01 references an increase in density and its impact to VMT; project's with increased densities reduces greenhouse gas emissions associated with traffic in several ways. Taking into consideration the proposed project's density and applying the LUT-01, the project's VMT can be reduced by 15.56% (Table 3, below). As the project's density can reduce the proposed project's VMT by 15.56% (greater than 15%), it is assumed the project will have a less than significant transportation impact.
Table 3: Project VMT
VMT Reductions
LUT-1 (Increase Density) 15.56%
Ms. Kim Prijatel Compton & Kemp Residential Project
February 26, 2021 Supplemental Traffic Analysis
TJW Engineering, Inc. 4 | Page
CVR19001 Compton & Kemp 02262021
Source: CAPCOA QGGMM (2010)
If you have any questions regarding this letter or project, please feel free to contact us at (949) 878- 3509.
Sincerely,
Thomas Wheat, PE, TE David Chew, PTP Daniel Flores, EIT Principal Transportation Planner Project Engineer
TJW Engineering, Inc. TJW Engineering, Inc. TJW Engineering, Inc.
CVR-19-001: Compton & Kemp Residential Project Supplemental Traffic Analysis Not to Scale Exhibit 1: Proposed Project Site Plan Ms. Kim Prijatel Compton & Kemp Residential Project
February 26, 2021 Supplemental Traffic Analysis
TJW Engineering, Inc. 5 | Page
CVR19001 Compton & Kemp 02262021
Appendix – Level of Service Analysis Sheets
Volume to Capacity (v/c): 0.420
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 3 0 22 23 0 58 12 815 1 18 1129 21 Total 15-Minute Volume [veh/h] 1 0 5 6 0 15 3 204 0 4 282 5 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 Total Hourly Volume [veh/h] 3 0 20 21 0 53 11 742 1 16 1027 19 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 3 0 20 21 0 53 11 742 1 16 1027 19 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/19/2021
Scenario 1: 1 Existing AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.420
Intersection LOS A
V/C, Movement V/C Ratio 0.00 0.00 0.01 0.01 0.00 0.04 0.01 0.21 0.21 0.01 0.30 0.30 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/19/2021
Scenario 1: 1 Existing AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Volume to Capacity (v/c): 0.425
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 1 0 15 8 0 19 30 1276 5 12 608 36 Total 15-Minute Volume [veh/h] 0 0 4 2 0 5 7 319 1 3 152 9 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 Total Hourly Volume [veh/h] 1 0 15 8 0 18 29 1238 5 12 590 35 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 1 0 15 8 0 18 29 1238 5 12 590 35 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/19/2021
Scenario 2: 2 Existing PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.425
Intersection LOS A
V/C, Movement V/C Ratio 0.00 0.00 0.01 0.00 0.00 0.01 0.02 0.34 0.34 0.01 0.17 0.17 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/19/2021
Scenario 2: 2 Existing PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Volume to Capacity (v/c): 0.426
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 3 0 22 23 0 59 12 832 1 18 1152 21 Total 15-Minute Volume [veh/h] 1 0 5 6 0 15 3 208 0 4 288 5 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 Total Hourly Volume [veh/h] 3 0 20 21 0 54 11 757 1 16 1048 19 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 3 0 20 21 0 53 11 742 1 16 1027 19 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/19/2021
Scenario 3: 3 OY AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.426
Intersection LOS A
V/C, Movement V/C Ratio 0.00 0.00 0.01 0.01 0.00 0.04 0.01 0.22 0.22 0.01 0.31 0.31 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/19/2021
Scenario 3: 3 OY AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Volume to Capacity (v/c): 0.432
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 1 0 15 8 0 19 31 1302 5 12 621 37 Total 15-Minute Volume [veh/h] 0 0 4 2 0 5 8 326 1 3 155 9 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 Total Hourly Volume [veh/h] 1 0 15 8 0 18 30 1263 5 12 602 36 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 1 0 15 8 0 18 29 1238 5 12 590 35 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/19/2021
Scenario 4: 4 OY PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.432
Intersection LOS A
V/C, Movement V/C Ratio 0.00 0.00 0.01 0.00 0.00 0.01 0.02 0.34 0.34 0.01 0.17 0.17 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/19/2021
Scenario 4: 4 OY PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Volume to Capacity (v/c): 0.432
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 12 0 26 23 0 59 12 832 1 18 1154 21 Total 15-Minute Volume [veh/h] 3 0 7 6 0 15 3 208 0 4 288 5 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 0.9100 Total Hourly Volume [veh/h] 11 0 24 21 0 54 11 757 1 16 1050 19 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 8 0 4 0 0 0 0 0 0 0 2 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 3 0 20 21 0 53 11 742 1 16 1027 19 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/19/2021
Scenario 5: 5 OYP AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.432
Intersection LOS A
V/C, Movement V/C Ratio 0.01 0.00 0.02 0.01 0.00 0.04 0.01 0.22 0.22 0.01 0.31 0.31 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/19/2021
Scenario 5: 5 OYP AM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Volume to Capacity (v/c): 0.434
Level Of Service: A
Delay (sec / veh): -
Analysis Period: 15 minutes
Analysis Method: ICU 1
Control Type: Signalized
Intersection 1: Dwight Avenue at Compton Boulevard
Intersection Level Of Service Report
Crosswalk Yes Yes Yes Yes
Grade [%] 0.00 0.00 0.00 0.00
Speed [mph] 30.00 30.00 35.00 35.00
Exit Pocket Length [ft] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 No. of Lanes in Exit Pocket 0 0 0 0 0 0 0 0 0 0 0 0
Entry Pocket Length [ft] 100.00 100.00 100.00 100.00 100.00 100.00 75.00 100.00 100.00 75.00 100.00 100.00 No. of Lanes in Entry Pocket 0 0 0 0 0 0 1 0 0 1 0 0
Lane Width [ft] 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 Turning Movement Left Thru Right Left Thru Right Left Thru Right Left Thru Right Lane Configuration
Approach Northbound Southbound Eastbound Westbound
Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Intersection Setup
Bicycle Volume [bicycles/h] 0 0 0 0
Pedestrian Volume [ped/h] 0 0 0 0
Total Analysis Volume [veh/h] 6 0 18 8 0 19 31 1302 5 12 622 37 Total 15-Minute Volume [veh/h] 2 0 4 2 0 5 8 326 1 3 155 9 Other Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Peak Hour Factor 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 0.9700 Total Hourly Volume [veh/h] 6 0 17 8 0 18 30 1263 5 12 603 36 Other Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Existing Site Adjustment Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0 Pass-by Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Diverted Trips [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Site-Generated Trips [veh/h] 5 0 2 0 0 0 0 0 0 0 1 0
In-Process Volume [veh/h] 0 0 0 0 0 0 0 0 0 0 0 0
Growth Factor 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 1.0200 Heavy Vehicles Percentage [%] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Base Volume Adjustment Factor 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Base Volume Input [veh/h] 1 0 15 8 0 18 29 1238 5 12 590 35 Name Dwight Avenue Dwight Avenue Compton Boulevard Compton Boulevard Volumes
1 2/25/2021
Scenario 6: 6 OYP PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Intersection V/C 0.434
Intersection LOS A
V/C, Movement V/C Ratio 0.00 0.00 0.01 0.00 0.00 0.01 0.02 0.34 0.34 0.01 0.17 0.17 Movement, Approach, & Intersection Results
Lead / Lag - - - - - - - - - - - -
Auxiliary Signal Groups
Signal Group 0 8 0 0 4 0 0 2 0 0 6 0
Control Type Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Permiss Phasing & Timing
Lost time [s] 4.00
Cycle Length [s] 60
Intersection Settings
2 2/25/2021
Scenario 6: 6 OYP PM
Compton & Kemp Residential
Version 2021 (SP 0-1) TJW ENgineering, Inc.
Generated with
Compton & Kemp Residential
Traffic Impact Analysis
City of Compton, California
Prepared for:
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92618
Prepared by:
TJW ENGINEERING, INC.
6 Venture, Suite 225
Irvine, CA 92618
September 24, 2019
6 Venture, Suite 225 | Irvine CA 92618 | t: (949) 878-3509 www.tjwengineering.com
September 24, 2019
Ms. Kim Prijatel
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92612
Subject: Traffic & Parking Analysis: Compton & Kemp Residential Project, City of Compton Dear Ms. Prijatel:
TJW ENGINEERING, INC. (TJW) is pleased to present you with this revised traffic impact analysis for the proposed Compton & Kemp Residential project in the City of Compton.
This traffic study has been prepared to meet the traffic study requirements for the City of Compton and address comments provided on the draft report by City staff on August 8, 2019. This report is being submitted to you for review and forwarding to the City of Compton.
Please contact us at (949) 878-3509 if you have any questions regarding this analysis.
Sincerely,
Thomas Wheat, PE, TE Jeff Weckstein
President Transportation Planner
Registered Civil Engineer #69467
Registered Traffic Engineer #2565
6 Venture, Suite 225 | Irvine CA 92618 | t: (949) 878-3509 www.tjwengineering.com
COMPTON & KEMP RESIDENTIAL PROJECT
TRAFFIC IMPACT ANALYSIS
City of Compton
Prepared for:
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92612
Prepared by:
6 Venture, Suite 225
Irvine, CA 92618
Thomas Wheat, PE, TE
Jeffrey Weckstein
September 24, 2019
JN: CVR-19-001
TJW Engineering, Inc.
CVR19001 Compton & Kemp TIA-Pkng 20211004 i|page
Table of Contents
Section Page
1.0 Executive Summary ........................................................................................... iv
1.1 Summary of Analysis Results iv
1.2 Sight Distance Analysis Summary iv
2.0 Introduction ...................................................................................................... 1
2.1 Project Description 1
2.2 Study Area 3
2.3 Analysis Methodology 3
2.4 Performance Criteria 5
2.5 Thresholds of Significance 5
3.0 Existing Conditions ............................................................................................ 7
3.1 Existing Circulation Network and Study Area Conditions 7
3.2 City of Compton Circulation Element 7
3.3 Existing Bicycle and Pedestrian Facilities 7
3.4 Existing Public Transit Services 7
3.5 Existing Traffic Volumes 9
3.6 Existing Conditions Intersection Level of Service Analysis 9
4.0 Proposed Project ............................................................................................... 12
4.1 Project Description 12
4.2 Project Trip Generation 12
4.3 Project Trip Distribution 13
4.4 Modal Split 13
4.5 Project Trip Assignment 13
5.0 Project Opening Year Without Project Conditions .............................................. 16
5.1 Roadway Improvements 16
5.2 Project Opening Year Without Project Traffic Volumes 16
5.3 Project Opening Year Without Project Intersection Level of Service Analysis 16
6.0 Project Opening Year With Project Conditions ................................................... 18
6.1 Roadway Improvements 18
6.2 Project Opening Year With Project Traffic Volumes 18
6.3 Project Opening Year With Project Intersection Level of Service Analysis 18
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7.0 Site Access and Sight Distance ........................................................................... 21
7.1 On-Site Roadway Improvements 21
7.2 Sight Distance Analysis 21
8.0 Parking .............................................................................................................. 23
9.0 Signal Warrant Analysis ..................................................................................... 25
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List of Tables ................................................................................................................ Page Table 1: LOS & V/C Ranges 5
Table 2: Roadway Characteristics Within Study Area 7
Table 3: Intersection Analysis – Existing Conditions 11 Table 4: Trip Generation Rates for Proposed Project Land Use 12 Table 5: Trip Generation of Proposed Project 13
Table 6: Intersection Analysis – Project Opening Year Without Project Conditions 16 Table 7: Intersection Analysis – Project Opening Year With Project 20 Table 8: Stopping Sight Distance 21
Table 9: Parking Survey Results 25
Table 10: Signal Warrant Analysis 26
List of Exhibits ............................................................................................................. Page
Exhibit 1: Proposed Project Site Plan ........................................................................................ 2 Exhibit 2: Project Location and Study Area ................................................................................ 4 Exhibit 3: Existing Lane Geometry and Intersection Controls ..................................................... 8 Exhibit 4: Existing AM/PM Peak Hour Intersection Volumes ...................................................... 10 Exhibit 5: Trip Distribution of Proposed Project Trips ................................................................ 14 Exhibit 6: Proposed Project Trip Assignment ............................................................................. 15 Exhibit 7: Project Opening Year Without Project Traffic Volumes............................................... 17 Exhibit 8: Project Opening Year With Project Traffic Volumes .................................................... 19 Exhibit 9: Site Distance Exhibit.................................................................................................. 21 Appendices
Appendix A: Scoping Letter/Email
Appendix B: Compton Roadway Classifications and Cross Sections Appendix C: Existing Traffic Counts
Appendix D: ICU Analysis Sheets
Appendix E: Parking Data
Appendix F: Signal Warrant Analysis Worksheets
................................................................................................................................................
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1.0 EXECUTIVE SUMMARY
This traffic impact analysis (TIA) analyzes the projected traffic operations associated with the proposed Compton and Kemp Residential project in the City of Compton. The purpose of this TIA is to evaluate potential circulation system deficiencies that may result from development of the proposed project, and to recommend improvements to achieve acceptable operations, if applicable.
This analysis has been prepared pursuant to applicable City of Compton/Los Angeles County traffic impact analysis guidelines.
The proposed project is bounded by Compton Boulevard to the north, Kemp Avenue to the east, 151st Street to the south and Dwight Avenue to the west. The proposed project would consist of 24-single family dwelling units. The site, located at 930 West Compton Boulevard, is currently vacant. Site access is planned at two driveways on 151st Street.
The proposed project is anticipated to be built and generating trips in 2021.
The following signalized intersection in the vicinity of the project site has been included in the intersection level of service (LOS) analysis based on submission of a scoping letter and receipt of comments back from City staff.
• Dwight Avenue [runs north-south (NS)] at Compton Boulevard [runs east-west (EW)].
This traffic analysis follows the Los Angeles County Public Works Traffic Impact Analysis Report Guidelines (January 1, 1997).
1.1 SUMMARY OF ANALYSIS RESULTS
No significant impacts are projected in the study area as a result of the proposed project, based on the City of Compton’s thresholds of significance. Therefore, the proposed project should not be responsible for implementing any off-site improvements, except for improvements related to the project driveways.
The study intersection is projected to operate at an acceptable LOS (LOS D or better) for all analysis scenarios.
The proposed project will result in the loss of 6-8 on-street parking spaces on the north side of 151st Street between Dwight Avenue and Kemp Avenue based on California Manual on Uniform Traffic Control Devices (CA MUTCD) guidelines for urban driveways. There would still remain adequate onstreet parking capacity on the streets adjacent to the proposed project site. The proposed project satisfies minimum off-street parking requirements.
2.0 INTRODUCTION
This traffic impact analysis (TIA) analyzes the projected traffic operations associated with the proposed Compton and Kemp Residential project in the City of Compton. The purpose of this TIA is to evaluate potential circulation system deficiencies that may result from development of the proposed project, and to recommend improvements to achieve acceptable operations, if applicable.
This analysis has been prepared pursuant to applicable City of Compton/Los Angeles County traffic impact analysis guidelines.
2.1 PROJECT DESCRIPTION
The proposed project is bounded by Compton Boulevard to the north, Kemp Avenue to the east, 151st Street to the south and Dwight Avenue to the west. The proposed project would consist of 24-single family dwelling units. The site is currently vacant. Site access is planned at two driveways on 151st Street.
The proposed project is anticipated to be built and generating trips in 2021.
Figure 1 shows the project site location. Exhibit 1 shows the proposed project site plan.
Figure 1– Project Location
Not to Scale
Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
Exhibit 1: Compton & Kemp Conceptual Site Plan
COMPTON BLVD & KEMP AVE SITE SP-1
COMPTON, CA CITY SUBMITTAL
© 2019 WILLIAM HEZMALHALCH ARCHITECTS, INC. DBA WHA. | 2013039 | 08-19-19 0 15 30 60
Conceptual Site Plan
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2.2 STUDY AREA
The following intersection in the vicinity of the project site have been included in the intersection level of service (LOS) analysis based on submission of a scoping letter and receipt of comments back from City staff. The scoping letter and City response is provided in Appendix A. • Dwight Avenue (NS) at Compton Boulevard (EW)
This traffic analysis follows the Los Angeles County Public Works Traffic Impact Analysis Report Guidelines (January 1, 1997).
Exhibit 2 shows the location of the study intersections, which are analyzed for the following study scenarios:
• Existing Conditions;
• Project Opening Year (2021) Without Project Conditions; and • Project Opening Year (2021) With Project Conditions.
Traffic operations are evaluated for the following time periods:
• Weekday AM Peak Hour occurring within 7:00 AM to 9:00 AM; and • Weekday PM Peak Hour occurring within 4:00 PM to 6:00 PM.
2.3 ANALYSIS METHODOLOGY
Level of Service (LOS) is commonly used to describe the quality of flow on roadways and at intersections using a range of LOS from LOS A (free flow with little congestion) to LOS F (severely congested conditions). The City of Compton and Los Angeles County utilize the Intersection Capacity Utilization (ICU) methodology for signalized intersection analysis. The ICU methodology expresses the LOS of an intersection in terms of the remaining capacity at an intersection (or lack thereof). The ICU methodology compares the volume-to-capacity (V/C) ratios of conflicting turn movements at an intersection, sums the critical conflicting V/C ratios for each intersection approach, and determines the intersection’s overall capacity utilization. The resulting V/C ratio is converted to an LOS as shown in Table 1.
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Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 2: Study Intersection Locations
Legend:
Project SiteStudy Intersection Location
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Table 1
LOS & V/C Ranges
Level of
Service
Volume to
Capacity
Ratio
Description
A 0.000 – 0.600 Free Flow: No approach phase is fully utilized and no vehicle waits longer than one cycle
B 0.601 – 0.700 Stable Flow: An occasional approach phase is fully utilized. Some drivers feel restricted in platoons.
C 0.701 – 0.800 Stable Flow: Major approach phases fully utilized. Most drivers feel restricted in platoons.
D 0.801 – 0.900 Tolerable Delays: Drivers may have to wait more than one cycle on occasion.
Queues develop but dissipate rapidly and without excessive delays.
E 0.901 – 1.000 Unstable Operations: Volumes at or near capacity. Vehicles may wait several signal cycles. Long queues form upstream from intersection.
F >1.000 Excessive Delays: Traffic flow breaks down, representing jammed conditions.
Intersection operates below capacity. Queues may block upstream intersections.
This study utilizes a 1,900 vehicle per lane per hour saturation flow rate and a clearance interval of ten percent for the ICU analysis.
2.4 PERFORMANCE CRITERIA
The City of Compton has established level of service “D” or better as acceptable LOS for all intersections along the designated street and highway system in the General Plan Circulation Element.
2.5 THRESHOLDS OF SIGNIFICANCE
According to California Environmental Quality Act (CEQA) guidelines, a project is considered to cause a significant impact to a transportation system if it:
• Conflict with program plan, ordinance or policy addressing the circulation system, including transit, roadway, bicycle and pedestrian facilities? • Conflict or be inconsistent with CEQA Guidelines section 15064.3, subdivision (b)?1 • Substantially increase hazards due to a geometric design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)? • Result in inadequate emergency access?
For the purposes of analyzing CEQA impacts, the City of Compton utilizes the following Los Angeles County thresholds of significant to identify significant transportation impacts:
1CEQA Guidelines section 15064.3(c) provides that a lead agency “may elect to be governed by the provisions” of the section immediately; otherwise, the section’s provisions apply July 1, 2020. Here, the City has not elected to be governed by Section 15064.3. Accordingly, an analysis of vehicles miles traveled (VMT) is not necessary to determine whether a proposed project will have a significant transportation impact.
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• If an intersection is projected to operate at LOS C with the proposed project, and the proposed project increases the ICU by 0.040 or more, a significant impact is deemed to occur.
• If an intersection is projected to operate at LOS D with the proposed project, and the proposed project increases the ICU by 0.020 or more, a significant impact is deemed to occur.
• If an intersection is projected to operate at LOS E/F with the proposed project, and the proposed project increases the ICU by 0.010 or more, a significant impact is deemed to occur.
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3.0 Existing Conditions
3.1 EXISTING CIRCULATION NETWORK/STUDY AREA CONDITIONS
The characteristics of the roadway system in the vicinity of the proposed project site are described in Table 2.
Table 2
Roadway Characteristics Within Study Area
Roadway Classification1 Direction Existing
Travel Lanes Median Type Speed Limit (mph)
On-Street
Parking
Compton
Boulevard
Secondary
Highway East-West 4 None 35 Yes
Dwight
Avenue Local Street NorthSouth 2 None 25 Yes
Kemp Avenue Local Street NorthSouth 2 None 25 Yes
151st Street Local Street East-West 2 None 25 Yes
1: Sources: City of Compton General Plan Circulation Element Exhibit 3 shows existing conditions study area intersection and roadway geometry.
3.2 CITY OF COMPTON GENERAL PLAN CIRCULATION ELEMENT
The proposed project site is located within the City of Compton. Appendix B contains the current Compton General Plan Circulation Element future transportation network and roadway classifications.
3.3 EXISTING BICYCLE AND PEDESTRIAN FACILITIES
There are no bicycle lanes on study area roadways. Sidewalks and curb ramps at intersections are present in the study area, except on the east side of Dwight Avenue along the project’s frontage and on the north side of 151st Street along the project’s frontage, where they are absent.
The proposed project is consistent with the City of Compton Bicycle Master Plan (May, 2015).
Appendix B contains Compton General Plan Circulation Element Bikeway Plan.
3.4 EXISTING PUBLIC TRANSIT SERVICES
The City of Compton is served by Los Angeles Metro which provides bus service throughout Los Angeles County. Figure 2 shows the Metro routes in the vicinity of the City of Compton. Additionally, the Compton Renaissance Transit System provides limited local service within the City of Compton.
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Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 3: Existing Lane Geometry & Intersection Control Legend:
4D
4U
2U
4U 4-lane Undivided Roadway
Signal-Controlled IntersectionExisting Lane
X
2U 2-lane Undivided Roadway
1 2
Source: Google Earth, 2019
2U
2U
2U
4U 4U
COMPTON BLVD
DWIGHT AVE
Project Site
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Figure 2– LA Metro Transit Routes
There is one bus route within one-quarter mile of the proposed project site.
Metro Route 51/351 travels between the Wilshire/Vermont Purple Lane Station to the Compton Transit Center. In the vicinity of the proposed project, Route 51/351 runs along Compton Boulevard with a stop at the Compton Boulevard/Dwight Avenue intersection adjacent to the project site. Route 51/351 runs from 5:00 AM to 10:00 PM on weekdays with headways of 20-35 minutes and on weekends with 30-45 minute headways.
3.5 EXISTING TRAFFIC VOLUMES
To determine the existing operation of the study intersection, AM and PM peak period traffic counts at the study intersections were collected on Thursday June 6th, 2019. The traffic volumes used in this analysis are from the highest hour within the peak period counted. Detailed traffic count data is provided in Appendix C.
Exhibit 4 shows existing AM and PM peak hour volumes at the study intersection.
3.6 EXISTING CONDITIONS INTERSECTION LEVEL OF SERVICE ANALYSIS Existing conditions AM and PM peak hour intersection analysis is shown in Table 3. Calculations are based on the existing geometrics at the study intersection as shown in Exhibit 3. ICU analysis sheets are provided in Appendix D.
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Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 4: Existing AM/PM Peak Hour Traffic Volumes
1 4
5 6
13/70
577/1210
26/53
30/60865/49346/43
34/13
15/25
48/43
29/17
14/27
41/30
Legend:
XX/XX AM/PM Peak Hour Volumes
Project Site
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Table 3
Intersection Analysis – Existing Conditions
Intersection
Control
Type
Peak Hour
Existing Conditions
V/C – LOS
Dwight Avenue/Compton Boulevard Signal AM
PM
0.490 – A
0.626 – B
Note: V/C = volume-to-capacity ratio. Delay shown in seconds. Delay/LOS at project driveway shown for worst operating minor street movement.
As shown in Table 3, the study intersection is currently operating at an acceptable LOS (LOS B or better) during the AM and PM peak hours.
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4.0 Proposed Project
4.1 Project Description
The proposed project is bound by Compton Boulevard to the north, Kemp Avenue to the east, 151st Street to the south and Dwight Avenue to the west. The proposed project would consist of 24-single family dwelling units. The site is currently vacant. Site access is planned at two driveways on 151st Street.
The proposed project is anticipated to be built and generating trips in 2021.
Exhibit 1 previously showed the proposed site plans for the proposed project.
4.2 Project Trip Generation
Trip generation represents the amount of traffic, both inbound and outbound, produced by a development. Determining trip generation for a proposed project is based on projecting the amount of traffic that the specific land uses being proposed will produce.
Industry standard Institute of Transportation Engineers (ITE) Trip Generation Manual (10th Edition, 2017) trip generation rates were used to determine trip generation of the proposed project.
Table 4 shows the ITE 10th Edition trip generation rates used to calculate forecast trip generation of the proposed project.
Table 4
Trip Generation Rates for Proposed Project Land Use
Land Use (ITE Code) Unit
AM Peak Hour PM Peak Hour
Daily Trips
In Out Total In Out Total
Single Family Residential (210) DU 0.185 0.555 0.74 0.624 0.366 0.99 9.44 Note: DU = Dwelling Unit
Source: ITE Trip Generation, 10th Edition (2017).
Table 5 shows the projected increase in trip generation resulting from the proposed project.
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Table 5
Trip Generation of Proposed Project
Land Use Quantity
AM Peak Hour PM Peak Hour
Daily Trips
In Out Total In Out Total
24 Single - Family Dwelling
Units
24 DU 5 13 18 15 9 24 227
Note: DU = Dwelling Unit
As shown in Table 5, the proposed project is forecast to generate approximately 18 AM peak hour trips, 24 PM peak hour trips and 227 daily trips.
4.3 Project Trip Distribution
Projecting trip distribution involves the process of identifying probable destinations and traffic routes that will be utilized by the proposed project’s traffic. The potential interaction between the proposed land use and surrounding regional access routes are considered to identify the probable routes onto which project traffic would distribute. The projected trip distribution for the proposed project is based on anticipated travel patterns to and from the project site.
Exhibit 5 shows the projected trip distribution of proposed project trips.
4.4 Modal Split
The traffic reducing potential of public transit, walking and bicycling have not been considered in this analysis since transit facilities in the study area are limited.
4.5 Project Trip Assignment
Exhibit 6 shows the corresponding projected AM/PM peak hour trip assignment of project trips.
4.6 Traffic Management Plan
Stop signs will be installed at the project driveways for vehicles exiting the project site onto 151st street. Fire access will not be needed, in case of fires the fire department will fight the fires from outside the development. No parking signs will be posted throughout the site as needed or required by City standards.
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Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 5: Projected Trip Distribution of Proposed Project Trips Legend:
XX%
Project SiteStudy Intersection LocationPercent Trip Distribution X
1 50%
50%
60%
50%
6 50% 10% 40%
10%20%
40%
20%
1 20% 610%
20%30%
10%
30%
1 40%
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Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECTLegend:
XX/XX AM/PM Peak Hour Trip Assignment
Exhibit 6: Projected Trip Assignment of Proposed Project Trips
1 4
1/2 62/6
1/11/3
5/4
3/2
Project Site
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5.0 Project Opening Year Without Project Conditions
5.1 ROADWAY IMPROVEMENTS
The lane configurations and traffic controls assumed to be in place for the project opening year without project scenario are consistent with those previously shown in Exhibit 3.
5.2 PROJECT OPENING YEAR WITHOUT PROJECT TRAFFIC VOLUMES Project Opening Year Without Project traffic volumes consist of existing volumes plus application of an annual ambient growth rate to the project opening year, which in this case is 2021. The ambient growth rate used in this analysis is based on feedback provided on the scoping letter, which recommended a growth rate of 2% per year, applied for two years, to existing volumes to account for ambient traffic growth and any small cumulative development that occurs.
Project Opening Year Without Project Volumes = (Existing (2019) Counts * 1.02^2) Exhibit 7 shows project opening year without project AM and PM peak hour volumes at the study intersections.
5.3 PROJECT OPENING YEAR WITHOUT PROJECT LEVEL OF SERVICE ANALYSIS Project opening year without project conditions AM and PM peak hour intersection analysis is shown in Table 6. Calculations are based on the existing geometrics at the study intersection as shown in Exhibit 3. ICU analysis sheets are provided in Appendix D.
Table 6
Intersection Analysis – Project Opening Year Without Project Conditions Intersection
Control
Type
Peak Hour
Existing Conditions Project Opening Year
Without Project
V/C – LOS V/C – LOS
Dwight Avenue/Compton
Boulevard Signal AM PM
0.490 – A
0.626 – B
0.501 – A
0.648 – B
Note: V/C = volume-to-capacity ratio. Delay shown in seconds. Delay/LOS at project driveway shown for worst operating minor street movement.
As shown in Table 6, the study intersection is projected to continue to operate at an acceptable LOS (LOS B or better) during the AM and PM peak hours for project opening year without project conditions.
Not to Scale
Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 7: Project Opening YearWithout Project AM/PM Peak Hour Traffic Volumes Legend:
XX/XX AM/PM Peak Hour Volumes
Project Site
1 4
5 6
14/73
600/1259
27/55
31/62900/51348/45
35/14
16/26
50/45
30/18
15/28
43/31
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6.0 Project Opening Year With Project Conditions
Project opening year with project conditions analysis is intended to identify the project-related impacts on the existing circulation system.
6.1 ROADWAY IMPROVEMENTS
The lane configurations and traffic controls assumed to be in place for the project opening year with project scenario are consistent with those previously shown in Exhibit 3.
6.2 PROJECT OPENING YEAR WITH PROJECT TRAFFIC VOLUMES
Project Opening Year With Project traffic volumes consist of existing volumes plus application of an annual ambient growth rate to the project opening year, which in this case is 2021, plus project trips.
The ambient growth rate used in this analysis is based on feedback provided on the scoping letter, which recommended a growth rate of 2% per year, applied for two years, to existing volumes to account for ambient traffic growth and any small cumulative development that occurs.
Project Opening Year With Project Volumes = (Existing (2019) Counts * 1.02^2) + Project Traffic Exhibit 8 shows project opening year with project AM and PM peak hour volumes at the study intersection.
6.3 PROJECT OPENING YEAR WITH PROJECT INTERSECTION LEVEL OF SERVICE ANALYSIS Project opening year with project conditions AM and PM peak hour intersection analysis is shown in Table 7. ICU analysis sheets are provided in Appendix D.
Not to Scale
Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
151ST ST
DRIVEWAY
PROJ ECT
COMPTON BLVD
DWIGHT AVE
KEMP AVE
DRIVEWAY
PROJ ECT
Exhibit 8: Project Opening YearWith Project AM/PM Peak Hour Traffic Volumes Legend:
XX/XX AM/PM Peak Hour Volumes
Project Site
1 4
5 6
14/73
6001/1261
29/61
31/62901/51449/48
35/14
16/26
50/45
35/22
15/28
46/33
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Table 7
Intersection Analysis – Project Opening Year With Project Intersection
Control
Type
Peak
Hour
Existing
Conditions
Project Opening
Year Without
Project
Project Opening Year With Project
V/C – LOS V/C – LOS V/C – LOS Change in
V/C
Significant
Impact?
Dwight Avenue/Compton
Boulevard Signal AMPM
0.490 – A
0.626 – B
0.501 – A
0.648 – B
0.505 – A
0.656 – B
0.004
0.008
No
Note: V/C = volume-to-capacity ratio. Delay shown in seconds. Delay/LOS at project driveway shown for worst operating minor street movement.
As shown in Table 7, the study intersection is projected to continue to operate at an acceptable LOS (LOS B or better) for project opening year with project conditions.
Based on the thresholds of significance previously discussed in section 2.4, the addition of project generated trips does not result in any significant impacts at the study intersection.
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7.0 Site Access and Sight Distance
This section summarizes proposed site access and on-site circulation recommendations.
7.1 ON-SITE ROADWAY IMPROVEMENTS
The recommended site-adjacent roadway improvements are described below.
Wherever necessary, roadways adjacent to the proposed project site and site access points should be constructed in compliance with recommended roadway classifications and respective crosssections in the City of Compton General Plan Circulation Element or as directed by the City Engineer.
7.2 SIGHT DISTANCE ANALYSIS
A sight distance analysis for the proposed project driveway has been prepared based on the “stopping sight distance” requirements determined by Topic 201 and Table 201.1 of the Caltrans Highway Design Manual (HDM), latest edition. Table 8 shows the minimum stopping sight distances based on the design speed, as displayed in Table 201.1 of the HDM.
Table 8
Stopping Sight Distance
Design Speed (mph) Stopping Sight Distance (ft)
25 150
30 200
35 250
40 300
45 360
50 430
Source: Table 201.1, Highway Design Manual (July 2, 2018) Note: mph = miles per hour; ft = feet
In this analysis, the movements being analyzed at the Project Driveway intersections are movements from the exiting vehicles onto 151st Street. Since there is no posted speed limit on 151st Street between Dwight Avenue and Kemp Avenue, the 85th percentile speed is assumed to be 25 miles per hour.
Exhibit 9 displays the sight distance conditions at the project driveway in relation to the existing sidewalk, striping, and parking on 151st Street. The exhibit shows the required 15-foot setback from the edge of travel way and the 15-feet of sight distance required based on the assumed 85th percentile speed of 25 miles per hour.
CVR-19-001 COMPTON & KEMP TRAFFIC IMPACT ANALYSIS Traffic Engineering and Transportation Planning Consultants www.tjwengineering.com P: 949.878.3509 Date: 09/30/21 EXHIBIT 9: SIGHT DISTANCE ANALYSIS SCALE: 1" = 20' 10 0 10 20 30
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As shown in Exhibit 9, the stopping sight distance requirements would be impaired by existing parking 151st Street west and east of the driveways. To meet the stopping sight distance standard, approximately 348 feet of red-curb would need to be painted on the north side of 151st Street.
TJW notes that Section 405.1 of the Highway Design Manual recommends that parking restrictions on urban driveways be set per California Manual on Uniform Traffic Control Devices (CA MUTCD) Section 3B.19. Section 3B.19 recommends a clearance of 6-feet measured from the curb return should be provided at both sides of a driveway. It is TJW’s recommendation that the CA MUTCD guidance be followed and a clearance of 6-feet be provided at both sides of the driveway.
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8.0 Parking
The proposed project consists of 24 single family dwelling units. Table 30.-21.A Parking Space Requirements in the City of Compton Zoning Code contains minimum parking requirements for various land uses in the City.
Single family dwelling units are required to provide two enclosed spaces per dwelling unit. The proposed project would be required to provide 48 enclosed parking spaces.
The proposed project is providing two-car garages for every dwelling unit, with driveways that provide an additional two uncovered parking spaces per unit, as well as six on-street guest parking spaces, meeting code requirements whether analyzed as single family dwelling units.
Providing access to the proposed project will result in the loss of up to 6-8 on-street parking spaces on the north side of 151st Street between Dwight Avenue and Kemp Avenue due to the construction of two driveways with 6-feet of red curb on both sides of the driveways.
TJW collected on-street parking counts on the streets surrounding the project site in the afternoon and evening on Wednesday June 19th, 2019 from 4:00 PM to 12:00 AM to assess the existing parking inventory and occupancy. Evening hours were chosen since the overnight period is the peak period of parking demand for the residential uses adjacent to the site. Since the on-street parking supply is not striped, the inventory of each block face was projected based on observations in the field. And measurements of curb space.
The parking areas assessed were the south side of Compton Boulevard between Dwight Avenue and Kemp Avenue, both sides of Dwight Avenue between Compton Boulevard and 151St Street, both sides of 151st Street between Dwight Avenue and Kemp Avenue, and both sides Kemp Avenue between Compton Boulevard and 151st Street.
Table 9 summarizes the results of the parking inventory and occupancy counts. Detailed data, which was collected in 30 minute increments, is available in Appendix E.
As shown in Table 9, there are approximately 94 on-street parking spaces on the streets surrounding the project site. The peak period of observed parking demand was at 11:00 PM – 12:00 AM, when 61 vehicles were parked in the survey area, for an overall occupancy of 65%. While certain streets, such as 151st Street and Kemp Avenue were over 80% occupied, Dwight Avenue and Compton Boulevard were under 50% full.
Based on the parking data collection, there is adequate on-street parking availability nearby to accommodate any displacement from the loss of 6-8 on-street parking spaces on 151st Street.
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Table 9
Parking Survey Results
Inventory 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM 12:00 AM South Side of Street 19 8 9 5 7 6 6 4 5 4
Subtotal 19 8 9 5 7 6 6 4 5 4
Total Occupancy 19 8 9 5 7 6 6 4 5 4
Total Percent 42% 47% 26% 37% 32% 32% 21% 26% 21%
Inventory 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM 12:00 AM East Side of Street 7 Construction 0 0 3 4 4 4 5 5
West Side of Street 9 Construction 5 4 8 9 9 9 9 9
Subtotal 16 0 5 4 11 13 13 13 14 14
Total Occupancy 16 0 5 4 11 13 13 13 14 14
Total Percent 0% 31% 25% 69% 81% 81% 81% 88% 88%
Inventory 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM 12:00 AM North Side of Street 25 15 18 18 20 17 19 20 21 21
South Side of Street 21 13 14 13 14 17 16 18 17 18
Subtotal 46 28 32 31 34 34 35 38 38 39
Total Occupancy 46 28 32 31 34 34 35 38 38 39
Total Percent 61% 70% 67% 74% 74% 76% 83% 83% 85%
Inventory 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM 12:00 AM East Side of Street 8 3 4 2 2 3 3 3 4 4
West Side of Street 5 1 1 1 1 1 1 0 1 1
Subtotal 13 3 4 2 2 3 3 3 4 4
Total Occupancy 13 3 4 2 2 3 3 3 4 4
Total Percent 23% 31% 15% 15% 23% 23% 23% 31% 31%
Grand Total Occupancy 94 39 50 42 54 56 57 58 61 61
Grand Total Percent 41% 53% 45% 57% 60% 61% 62% 65% 65% Compton Blvd between
Dwight Ave - Kemp Ave
Kemp Ave between
Compton Blvd - 151st St
151st St between Dwight
Ave - Kemp Ave
Dwight Ave between
Compton Blvd - 151st St
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9.0 Signal Warrant Analysis
A signal warrant analysis was conducted at the intersection of Compton Boulevard and Kemp Avenue.
Compton Boulevard is classified as a four-lane secondary highway and has a posted speed limit of 35 miles per hour. Kemp Avenue is classified as a two-lane local street and has no posted speed limit.
The intersection currently operates as a two-way stop intersection with the off-set Kemp Avenue approaches being stop controlled. Traffic counts were conducted at the intersection on Wednesday August 21, 2019.
Traffic signal warrants for project opening year with project conditions were prepared. Because the speed limit on Compton Boulevard is 35 miles per hour, Figure 4C-3 of the California Manual on Traffic Control Devices was used to evaluate the conditions at the intersection. Table 10 summarizes the results of the signal warrant analysis. Detailed warrant analysis sheets are included in Appendix F.
Table 10
Signal Warrant Analysis
Intersection
Signal Warrants Met?
AM Peak Hour PM Peak Hour
Compton Boulevard/Kemp Avenue No No
As shown in Table 10, peak hour signal warrants are not met for project opening year with project conditions. Signalization of the Compton Boulevard/Kemp Avenue intersection is not recommended.
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Appendices
APPENDIX A
SCOPING AGREEMENT/SCOPING EMAILS
6 Venture, Suite 225 | Irvine, California 92618 | t: (949) 878-3509 | www.tjwengineering.com May 7, 2019
Mr. Hien Nguyen, PE
Assistant City Engineer
City of Compton
205 S Willowbrook Ave
Compton CA 90220
Report: Scoping Agreement for the Compton & Kemp Residential Project Traffic Impact Analysis Dear Mr. Nguyen:
TJW ENGINEERING, INC. (TJW) is pleased to submit this scoping agreement for the proposed Compton & Kemp residential project in the City of Compton. The project site is bound by Compton Boulevard to the north, Kemp Avenue to the east, W 151st Street to the south and Dwight Avenue to the west. The proposed project consists of 24 single-family dwelling units.
The Project’s site plan is attached to this scoping letter. The project is anticipated to be built and generating trips in 2021. Site access is planned at two driveways on W 151st Street.
The traffic impact analysis will follow applicable City of Compton and Los Angeles County guidelines for traffic impact analysis.
Trip Generation
Trip generation for the proposed project will be developed using rates from the Institute of Transportation Engineers (ITE) Trip Generation Manual (10th Edition) for Land Use 210 – Single-Family Detached Housing.
As shown in Table 1, the project is anticipated to generate 227 daily trips, 18 AM peak hour trips, and 24 PM peak hour trips.
Mr. Hien Nguyen Compton & Kent
May 7, 2019 Traffic Analysis Scoping Letter
TJW Engineering, Inc. 2 | Page
Compton & Kent TIA Scoping Letter 05072019
Table 1: Proposed Project Trip Generation
Proposed Land Use1 Qty/
Unit
Daily Trips
(ADTs) AM Peak Hour PM Peak Hour
Rate Volume Rate In:Out
Split
Volume
Rate In:Out
Split
Volume
In Out Total In Out Total
Single-Family
Detached Housing
(210)
24 DU 9.44 227 0.74 25:75 4 14 18 0.99 63:37 15 9 24
1 : Rates from ITE Trip Generation (10th Edition, 2017) Trip Distribution and Assignment
The project site is situated within a large rectangle formed by the 105, 110, 710 and 91 freeways. Project trips are generally projected to arrive/depart via Compton Boulevard and head to/from other major arterials to access freeways for work related trips, and to utilize local streets for other trips. The proposed project’s trip distribution assumes that 50% of project trips will arrive/depart from/to the west on Compton Boulevard and 50% of project trips will arrive/depart from/to the east on Compton Boulevard.
Study Area
Based on the trip generation, the following two (2) intersections will be analyzed in the level of service analysis:
1. Compton Boulevard/Dwight Avenue; and
2. Compton Boulevard/Kemp Avenue.
Study Analysis Scenarios
Consistent with Los Angeles traffic study guidelines, the analysis of peak hour operations at study area intersection will occur for the following scenarios:
(1) Existing Traffic Conditions;
(2) Existing Plus Project Conditions;
(3) Project Opening Year Without Project Conditions; and (4) Project Opening Year With Project Conditions.
The Intersection Capacity Utilization (ICU) methodology will be used in the analysis per the Los Angeles County traffic impact analysis guidelines.
Level of Service Criteria
The City of Compton target for peak hour intersection operations is LOS D or better.
For the purposes of analyzing California Environmental Quality Act (CEQA) impacts, the City of Compton identifies significant impacts based on a comparison of the without and with project ICU at study intersections according to the following criteria:
PM
With opening year
being 2021,
assume existing
traffic volumes will
increase by 4% in
2 years.
turning movement counts to be conducted on 5/29,
5/30, 6/4, 6/5, or 6/6/19 between 4p and 6p
County
Mr. Hien Nguyen Compton & Kent
May 7, 2019 Traffic Analysis Scoping Letter
TJW Engineering, Inc. 3 | Page
Compton & Kent TIA Scoping Letter 05072019
• If an intersection is projected to operate at LOS C with the proposed project, and the proposed project increases the ICU by 0.040 or more, a significant impact is deemed to occur. • If an intersection is projected to operate at LOS D with the proposed project, and the proposed project increases the ICU by 0.020 or more, a significant impact is deemed to occur. • If an intersection is projected to operate at LOS E/F with the proposed project, and the proposed project increases the ICU by 0.010 or more, a significant impact is deemed to occur.
Cumulative Projects
TJW will obtain a list of cumulative projects from the City. TJW will utilize this list to determine which cumulative projects should be included in the cumulative conditions analysis. If the City has any information on the cumulative projects such as trip generation and trip distribution patterns for each project, or prior completed traffic studies, TJW requests that this information be forwarded to us electronically.
Please feel free to call us at (949) 878-3509 if you have any questions regarding this scoping letter.
Sincerely,
TJW ENGINEERING, INC.
Recommended by: Approved by:
______________________
Thomas Wheat, PE, TE Hien Nguyen, City of Compton
TJW Engineering, Inc.
Registered Civil Engineer #69467
Registered Traffic Engineer #2565
Signal Warrant Analysis
TJW will conduct turning movement counts at West Compton Blvd. and Kemp Ave. from 4p to 6p on 5/29, 5/30, 6/4, 6/5 or 6/6/19. Based on these counts, TJW will evaluate Signal Warrants 2 (Four Hour) and 3 (Peak Hour) for the intersection under Opening Year (2021) with Project Conditions.
Comments by:
GL, 5/21/19
From: Hien Nguyen <[email protected]>
Sent: Wednesday, May 22, 2019 4:50 PM
To: Thomas Wheat; David Chew; Jeff Weckstein
Cc: Delores Jones; Troy Gunter; Kim Prijatel
Subject: 930 W. COMPTON BLVD PROJECT‐‐‐1ST COMMENTS ON SCOPE OF TRAFFIC STUDY
Hello Gentlemen,
Per your request, please find Public Works Dept.’s Comments on “TIA Scope” as follows:
1. The TIA shall follow the LACDPW’s guidelines
2. For safety of the public: The TIA shall include, but not limited to, the following:
A “Line Sight Study” [LSS] for traffic exiting the site onto 151st Street. Traffic Management Plan for the site development including, but not limited to, fire lanes, no parking signs, stop signs for traffic exiting the site onto 151st Street, etc.
3. For info on list of related projects [within 1.5-mile radius of the site]: Please contact Mr. Troy Gunther of Planning Dept.
4. Impact of on-street parking surrounding the site and mitigation measures
5. PW Dept. will accept the ICU methodology, and the following softwares:
HCS version 2000 or later version,
Synchro V7 or later version
Traffix (Dowling) v.7.6 or later version
VISTRO
or other equivalent softwares
Please find the attached file prepared by Public Works Plan Check Consultant Willdan Engineering as a part of the composite PW Dept.’s comments on your proposed TIA Scope.
Thanks
Hien Nguyen, P.E.
Assistant City Engineer
City of Compton
205 S Willowbrook Ave
Compton, CA 90220
Phone (310) 761-1476,
Fax (310) 605‐6326
City Hall is closed Fridays
APPENDIX B
COMPTON GENERAL PLAN ROADWAY CLASSIFICATIONS AND CROSS SECTIONS
CIRCUI,ATION PI,AN
The 'CirqJation Issues' disqrssion in this element identilies the long-term transponadon and circulation concems in Compton This seaion describes the programs and strategies &e City wiU pursue to addiess $ess issues and to move towards a balanced transportalion system that meets the futue mobility needs of C.ompton residenls, as well as &e business sectot's demand to move goods most efficiendy and efieclively.
MASTER PIAN OF STREETS AND HIGTIWAYS
Srreets and highways in Complon are described and dassified accordiag to their prinary function" This hierarchical system of roadways consists of the following four basic classifications:
o Major Highway;
o Secondary Highway;
o Colleclor; and
o [rcal Stleet.
Figure C-1 illusrales the roadway cross-section standards (geometrics) for these Jive classifications. Roadway functiors and standards may be described as follows.
Mqjor Highway
A Major Highway is the highest capacity street within the Cit/s street system- Major Highwal,s are designed to carry bigh volumes of traffig primarily for through trips. They sewe as the principal connectos from lower classilicatioa streels !o the freeway system and other regioDal routes. The standard calls for 100 feet of right-of-way and four to six travel lanes within a minimum 8Gfoot wide, cub-!o-o[b
paved streel secliorl The right-of-way and paved road width can be increased at and Dear interseclioDs 1o allow for median strips and extra tum lanes.
COMPTON
GENERAL PIJIN
CTRC:TJLAUON ELEMENT
18 DECEWER 3, 191
Major Highway (a)
Secondary Highway
Standard Collector
Residential Collector
Compton Gensral Plan
centarllne
40' 10'
0'
't2/3/91
(!) tLao. t{Shnay ,ishr€t*ly m.y b€ hE €a3od ro a....nocr!r6 odlbr n$dar or oda tlrn !116 !t htors€.dou
(b) ,I la E€d r6tt! 6tr*n,ra,rnrfflllu.
Figure C - 1
Standard Street
19 Cross Sections
COMPTON
CENERAL PI.4N
Major Highwalr in the Compton planning area include El
Segundo Boulevard (west of Satrta Fe Avenue), Rosecra.ns Avenue, Alondm Boulevar4 Arta3ia Boulevard (east of
Alameda), Victoria,/Apra Streel Avalon Boulevar( Cenlral Avenue, Wilnin$on Avenue, Santa Fe Avenug long Beach
Boulevard, and Adanlic Aveaue.
S€condary Htghway
Secondary Higirways connect Major Highways to coUector and local steets and are inlended to carry relatively high ffifi6 volumes for both through and local trips. A Secondary
Highway consists of 80 feet of right-of-way and four tavel lanes within a 6Gfoo! crrib-tccrub paved section
The secondary Highways in Compton are 135th strest,
Comptotr Boulevard, Greenleaf Boulerard, Wahut Street,
Willowbrook Avenue, Tamarind Avenue, Mona Boulevard,
Temple Avenue, Bullis Road, Compton Avetrue, and Artesia Boulevard (west of Alameda).
Collectors
Two Collector classifications are hcluded wirhin the slreet system - the Standard Colleclor and the Residential Colleaor.
Standard Colleclors sewe the Cit/s major industrial and comnercial areas and high density residential developmenls and are designed to carry moderate to relatively high volumes of traffrc to the Secondary and Major Highways, while
avoiding lower density residential neighborhoods. The
Residential Colleclor accommodates modsrate traffic volumes and is intended to carry residenrial traffic from the
neighborhoods 10 schools, parks, and shopping areas.
Standard Collecton contain slighdy more right-of-way thaa Residential Collectors, consisii'rg of 40 feet of paving within a 6Gfoot right-of-way width. The Residenlial Collector has a 4Gfoot paved section ald a minimum 54foot right-of-way.
CoUedor s[eets will be designated as part of a special study.
CIRATATION ELEMENT
DECEMBER J 1991
cowToN
GENERAL PI,IN
Ircal Streets
Ircal Steets are designed to carry low volumes of local (non-rhrough) trallic. Ircals cornect to CoUectors aEd
Highways for thrcugh trips. Standards lor Ircal SEeeE are variablq given ihe variety of residential subdivisions whic.h have been developed since Comptoa incorporated as a City.
Stualy Str€et
Alameda Street i! desigDated as a Sludy Steet sinca slreet width and configuration will be determined as part of the Alameda Corridor design sludy.
Crldcal Intemectlons
Figure C-2 identilies several inlersections as "critical inteneclions.' These are locations where, over time, right-ofway beyond the standad rights-olway illustraled in Figure C-1 mav be needed to accommodate additional turn lanes.
Traffic 'volumes may be more easily managed if a dedicated right-lurn lane, dual left-turu lanes, or otber non-slandard confgurations are provided.
Master Plar
Figure C-2 prese s the Master Plan of Streets and Highways for Comptor. This plan shows lhe ultimale circulation systen needed to move people and goocls within and tbrough rhe City while maintaining roadway service levels of t-evel of Service D or betler. The qatem incorporates regional inAastucture aad public tansit improvements and plang and accommodates the Cit/s specific trar:sportation needs. Physical road
improvemenls will be necessary to achieve rhis s)Blerq
including road wideniugs, roadway reconiigurarior,
coDstruclion of the Alameda Corridor, and grade separations at raikoad crossings.
Road Wleningr: Several Major and Secondary Highways will require widening and restriping to provide coDsistent widtbs and to accommodale future tmflic volunes. In particular, &e following improvements will be made.
CIRCT]TJITION EI.EMENT
D DECEMBER 3, 1991
COMPTON
GENERAL PIJIN
o C€ ral.Avenue between Rosecaans AvgDue atrd Compton
Boulevard will be widened and restriped to provide a
six-lane divided highway.
o Wilmington Avenue between the Artesia Freeway and
Vicloria Street wil be widened and restriped to provide a six-laae divided highvay.
o Greenleaf Boulevard between Wilmington Avenue and
Santa Fe Avenue will be widened to provide a four-lane
divided roadway.
o Irng Beacrh Boulevard, from the north City limit to
Rosecans Avenue, will be widened and resrriped to
provide a six-lane divided roadway.
To accomplish steet widenings, lhe City will undertake a comprehensive approach. This requires that the City schedde the improvemenl in a Capital Improvement Plan (CIP) and acqute rigbl-of-way through eminent domain or permanenl on-street parking resfictions.
These identified widenings will be performed over the 2}year General Plan planning period (before the year 2010). The City vill monitor roadway volumes over time to determhe the rirning and approach for tbe improvements.
Roafuvay Reconfrgrdiot Along many road sections,
rightof-way width exis6 consistent with fte Master Plan However, effrcieDt taffic movemeDt is hiudered by
urcoDfolled access from feeder slreets and from development frontiug on Highways and Collecton. To allow for better flow, the City may provide raised medians (divided road*ays) along the following street segments:
o Witnington Avenue belween Compton Boulevard and tbe
Artesia Freeway;
o Long Beach Boulevard belween the north City limits and the Artesia Freeway (vinuaUy its entire len$h &rough
Compton); and
o Rosecra[s Avenue belween Santa Fe Avenue and l-ong
Beach Boulevard.
CTRCT]I-AZION ELEMENT
)a DECEMBER J 191
If studies indicate these improvements can siguifrcandy improve trafic llow, improvements will be completed before the year 2005.
lloneda Conidor As described previously ia this element, the Alameda Corridor represents a major improvemenl to the regional transponadoD sy$em (Figuie C-2). The corridor, plamed to coDnect the porls of Los Angeles and Iang Beach to multi-modal goods disrribution facilities near dowtrtown Irs Ansele,s- is described as 'a critical link for lhe movenent of ldt anb international cargo.'l This road and rail fteight route is inlended to rcduce though tuck traffic on parallel streets and fteeways, especially beavily-traveled InteElate 710, and to consolidate freigh! rail traffic to a single corridor, tbus reducing railsurface slreet coDilicls'
As a member of the Alameda Corridor Transportation
Authority, Compton will parricipate in the selectioa of the corridor design Prinary optioDs include: 1) a four-lane road with parallel, multi-track rail lines; 2) a six-laae, one-way road couplet with at-grade rail tracks betwe€n tbe one-way routes; and 3) the six-lane road couplet separated by a depressed rail way. Grade separations are conlemplated at principal
east-west sreels, Compron will encourage grade separations a1 several locatiotrs in the City, as descnted below.
Gmde Sepatubns: Construction of new rail and sudace street grade separations involves [emendous costs. However, trafric congestion can be grealy mitigaled by removing hindrance.s to frce east-west traflic flow. Thus, the City sroDgly supPor6 elfons to consolidate freight rail traffic along a single coridor and to provide grade separations in the design of the
Alameda Corridor. Priority sueets in Compton for grade
separation include Compton Boulevar4 Alondra Boulevar4
aud Greenleaf Boulevard.
Compton will work to include these streols in the design of the Alameda Conidor. In the event the Alameda Corridor i3 not bui[ or coDstruction is significantly delayeq ComPton will seek other funding sources atrd establish accelerated time schedules for coDstruction of grade separatiotrs.
rProjec Memorandum, 'IheALameda corridor Proje.t ' Alaaeda conidor Tralspofiatiotr Authority.
COWTON
GENEfu4L PI,4N
CIRC:ITANON ELEMENT
DECEMBER E ,991
The City wiU co inue construction ellorts 10 complete the Mealy Streel rail line relocalion, which involves completion of lhe Rosecrans Avenue overpass al Alameda Streel and
depression of West Alameda Stleet belo\r the relocated
Wilmington Branch rail line, among other improvemenls.
Trafu Signal Syncfuonizatioa' The City will complete its program 10 computerize trallic siFtls Citys,ide so that tralEc flow can be syncbronized and better managed. Complete
synchronizaliou wili be accomplisbed by 1995.
ROADVgAY MAINTENANCE AND REIIABILITATION
Potholed slreets, crumbling curbq and oacked sidewalls
citywide conlribute to traffic safely problems and a general unkempl appearaDce. By implementing stronger roadway
rehabittalion and maintenance programs, the City wil achieve two important goals - reducilg mngeslion and enhancing &e visual character of Compto!-
Addirional funds lor infrastructure improvements wiU be availabb Aom State gas tax revenues increased via legislation passed in 1990. The Iegislation ties a jurisdiction's eligibility for futrds to that jurisdiction s coEpliatrce wirb adopted Congestion Managemenl Plals. ComptoD will comply with
the provisioas o, the Irs Angeles Crunty CMP, as discussed in this element, to ersure the City receives its share of lhe revenues. A C.apital Improvement Plan (CIP) will bo
submitted io the LAgfC as required.
The City will place priority on rehabiutating residential sireets within target neighborhoods, as disclssed in the Housing Element" toward the end of improving overall neighborhood quality. General Futrd, Commudty Development Block Granl (CDBG), and tax inoement resources will be used for this program. Tax increment and CMP funds will be the primary resources used to finance roadway improvemeDls wirhin the commercial and industrial districs.
COMPTON
AENERAL PIJIN
CNCL"TANON EI.EMENT
?5 DECEMBER E D91
PIJBLIC IRANSPORTATION
COMPTON
GENERAL PIJ'N
As growth throughoul Soulhem Califomia adds vehicles to the region's overburdened freeway and anerial highway systemsr people will rely more heavily upon public transportatioD, especially for commute lrips. Compton's ready acc6s to RTD and other bus lines and to the Blue Line passenger rail will continue to offer Compton residents and persons working in the City altemalives to the private aliomobile.
Bus Servlce
To enmurage use of public transit the City wiU pursue
several programs. Foremost, City olfrcials will work with the RTD to monitor bus tansil demands and serice leve\ and
to adjust schedules and routes to best serve residents and commute$ into lbe City. Figure C-3 illustrates preferred bus routes. Bus stops will be clearly identilied wi& sigr," and benches or bus shelten. The City will cooperate with the RTD in funding these necesities.
In reviewirg uelv developmen! proposall the City wil
consider the need for bus turtrouts for projects abutting Major and Secoudary Highways ard Collector streels. If such
improvements are necessary, the City will rely largely upon developer firancing of fte improvement&
Passenger Rrll
To maximize use of passenger rail, Comptotr's multi-modal transit center at the Blue Line station will be expanded to accommodate shuttle bus and vanpool service to and &om
major employment ce ers. The center may have dssigtated parking and loading areas for shutlle vehicles. Figure C-3 shows potential destination for shultle services.
The City will support RTD's and other bus service providers' use of the tat:sit center by providing adequate park-and-ride lots. The City, together with RTD, iviU monitor uses of the lols and wiU expand lots as necessary to suppon increased
CIRCVI,ATION ELEMENT
26 DECEMBER 3, 1991
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Saturday,Sunday and Holiday Schedules
No service on Saturday, Sunday, New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and
Christmas Day.
Horarios de sábado, domingo y días feriados
No hay servicio en sábados, domingo, New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day y
Christmas Day.
Nextrip Nextrip
Text “metro” and your intersection or stop number to 41411 (example: metro vignes&cesarechavez or metro 1563).
You can also visit m.metro.net or call 511 and say “Nextrip”
Envíe un mensaje de texto con “Metro” y la intersección de la calle o el número de su parada al 41411. Nextrip le enviará un mensaje de texto con la próxima llegada de cada autobús en esa parada.
También puede visitar m.metro.net o llamar al 511 y decir “Nextrip”
ROUTE MAP
5 605
710
91 91
b
c
a
258
265
266
N3
N3
N3
N1 127
127
460
460 62 N1 N2
460
127
202
LB72
LB21
LB22
LB172 LB173 N2
LB91 LB93
N1
N1
N5 N5
LB92
60 260 762
LB72 LB71
125
125 460
130
125
51 GA3 351
130
4 5
6 Acacia Av
Alameda St
Tamarind Av
Isadore Hall Dr
Santa Fe Av
Alondra Bl
Long Beach Bl
Somerset Bl
Artesia Bl
COMPTON
PARAMOUNT
Atlantic Av
Atlantic Av
Orange Av
Garfield Av
Downey Av
Lakewood Bl
Clark Av
Bellflower Bl
Woodruff Av
Norwalk Bl
Bloomfield Av
Carmenita Rd
Rosecrans Av
183rd St
Rosecrans Av
Alondra Bl
NORWALK
METRO BLUE LINE
Compton Bl
Valley View
NORTH LONG BEACH
Paramount Bl
Hunsaker Av
Towne Center Dr
Shoemaker Av
Studebaker Rd
Pioneer Bl
Gridley Rd
Willowbrook Av
Artesia Bl
Compton
BELLFLOWER
Artesia Bl
MAP NOTES
a Compton Metro Blue Line Station/
Martin Luther King Jr. Transit Center
Metro Blue Line,
Metro 51, 60 (owl), 125, 127, 128, 351;
Compton Renaissance Transit: 1, 2, 3,
4, 5; GA3
b Cerritos College
c Cerritos Towne Center
128
CERRITOS
Los Angeles Long Beach
1 2
3 LEGEND
Line 128 Route
Local Stop Timepoint
Metro Rail
Metro Rail Station
Metro Rail Station & Timepoint
Transit Center
GTrans (Gardena)
Long Beach Transit
Norwalk Transit
GA
LB
N
6 5 4 3 2 1
1 2 3 4 5 6
Monday through Friday
Effective Jun 25 2017 128
Eastbound Al Este (Approximate Times/Tiempos Aproximados)
COMPTON PARAMOUNT BELLFLOWER NORWALK CERRITOS
Martin Luther King Jr. TC /
Compton Station
Alondra & Paramount Alondra & Bellflower Alondra & Pioneer Alondra & Carmenita Cerritos Towne Center
6:00A 6:23A 6:32A 6:43A 6:50A 7:05A
6:28 6:51 7:00 7:13 7:20 7:35
6:57 7:20 7:30 7:43 7:50 8:05
7:26 7:50 8:00 8:13 8:20 8:35
8:03 8:27 8:37 8:50 8:57 9:11
8:51 9:15 9:25 9:38 9:45 9:59
9:46 10:10 10:20 10:33 10:40 10:54
10:41 11:05 11:15 11:28 11:35 11:49
11:35 11:59 12:10P 12:23P 12:30P 12:44P
12:29P 12:53P 1:04 1:17 1:24 1:38
1:23 1:47 1:58 2:11 2:18 2:32
2:15 2:41 2:52 3:05 3:12 3:26
3:07 3:33 3:45 3:59 4:06 4:20
3:58 4:24 4:36 4:51 4:58 5:12
4:51 5:16 5:28 5:43 5:50 6:04
5:46 6:11 6:21 6:35 6:42 6:56
6:44 7:07 7:16 7:28 7:34 7:47
7:40 8:02 8:10 8:20 8:26 8:39
Monday through Friday 128
Westbound Al Oeste (Approximate Times/Tiempos Aproximados)
CERRITOS NORWALK BELLFLOWER PARAMOUNT COMPTON
Cerritos Towne
Center
Alondra & Carmenita Alondra & Pioneer Alondra & Bellflower Alondra & Paramount Martin Luther King Jr. TC / Compton Station
6:00A 6:10A 6:18A 6:29A 6:37A 6:56A
6:35 6:45 6:53 7:04 7:13 7:35
7:13 7:25 7:33 7:44 7:53 8:14
7:52 8:03 8:12 8:24 8:33 8:54
8:35 8:45 8:54 9:06 9:15 9:36
9:25 9:35 9:44 9:56 10:06 10:27
10:13 10:24 10:33 10:46 10:56 11:17
11:05 11:16 11:25 11:38 11:48 12:09P
11:59 12:10P 12:19P 12:32P 12:42P 1:03
12:53P 1:04 1:13 1:26 1:36 1:57
1:46 1:57 2:06 2:20 2:31 2:54
2:41 2:52 3:01 3:15 3:26 3:49
3:35 3:47 3:56 4:10 4:21 4:43
4:28 4:41 4:51 5:05 5:16 5:38
5:20 5:33 5:43 5:57 6:07 6:27
6:15 6:27 6:35 6:47 6:56 7:14
7:10 7:20 7:27 7:37 7:45 8:03
8:00 8:10 8:17 8:27 8:34 8:52
APPENDIX C
EXISTING TRAFFIC COUNTS
File Name : 01_CPT_Dwight_Compton_AM
Site Code : 99919409
Start Date : 6/6/2019
Page No : 1
City of Compton
N/S: Dwight Avenue
E/W: Compton Boulevard
Weather: Clear
Groups Printed- Total Volume
Dwight Avenue
Southbound
Compton Boulevard
Westbound
Dwight Avenue
Northbound
Compton Boulevard
Eastbound
Start Time Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Int. Total 07:00 AM 5 0 10 15 3 167 5 175 2 0 7 9 4 82 4 90 289
07:15 AM 7 3 5 15 4 213 6 223 6 0 9 15 4 100 1 105 358
07:30 AM 16 8 14 38 12 223 1 236 5 6 11 22 0 111 7 118 414 07:45 AM 10 3 11 24 18 217 7 242 6 3 12 21 5 161 6 172 459 Total 38 14 40 92 37 820 19 876 19 9 39 67 13 454 18 485 1520 08:00 AM 12 3 4 19 10 211 10 231 11 2 7 20 6 153 7 166 436 08:15 AM 10 1 5 16 6 214 12 232 7 3 11 21 2 152 6 160 429 08:30 AM 6 0 10 16 5 137 5 147 7 1 2 10 5 105 4 114 287 08:45 AM 7 5 2 14 4 184 2 190 5 0 4 9 3 77 1 81 294
Total 35 9 21 65 25 746 29 800 30 6 24 60 16 487 18 521 1446 Grand Total 73 23 61 157 62 1566 48 1676 49 15 63 127 29 941 36 1006 2966 Apprch % 46.5 14.6 38.9 3.7 93.4 2.9 38.6 11.8 49.6 2.9 93.5 3.6 Total % 2.5 0.8 2.1 5.3 2.1 52.8 1.6 56.5 1.7 0.5 2.1 4.3 1 31.7 1.2 33.9 Dwight Avenue
Southbound
Compton Boulevard
Westbound
Dwight Avenue
Northbound
Compton Boulevard
Eastbound
Start Time Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:30 AM
07:30 AM 16 8 14 38 12 223 1 236 5 6 11 22 0 111 7 118 414 07:45 AM 10 3 11 24 18 217 7 242 6 3 12 21 5 161 6 172 459 08:00 AM 12 3 4 19 10 211 10 231 11 2 7 20 6 153 7 166 436 08:15 AM 10 1 5 16 6 214 12 232 7 3 11 21 2 152 6 160 429 Total Volume 48 15 34 97 46 865 30 941 29 14 41 84 13 577 26 616 1738 % App. Total 49.5 15.5 35.1 4.9 91.9 3.2 34.5 16.7 48.8 2.1 93.7 4.2 PHF .750 .469 .607 .638 .639 .970 .625 .972 .659 .583 .854 .955 .542 .896 .929 .895 .947 Counts Unlimited
PO Box 1178
Corona, CA 92878
(951) 268-6268
File Name : 01_CPT_Dwight_Compton_AM
Site Code : 99919409
Start Date : 6/6/2019
Page No : 2
Dwight Avenue
Compton Boulevard
Compton Boulevard
Dwight Avenue
Right
34 Thru
15 Left
48 Out In Total
57 97 154
Right
30 Thru
865
Left
46 Out Total In
666 941 1607
Left
29 Thru
14 Right
41 Out In Total
87 84 171
Left
13 Thru
577
Right
26 Total Out In
928 616 1544
Peak Hour Begins at 07:30 AM
Total Volume
Peak Hour Data
North
Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Each Approach Begins at:
07:30 AM 07:30 AM 07:30 AM 07:30 AM
+0 mins. 16 8 14 38 12 223 1 236 5 6 11 22 0 111 7 118
+15 mins. 10 3 11 24 18 217 7 242 6 3 12 21 5 161 6 172 +30 mins. 12 3 4 19 10 211 10 231 11 2 7 20 6 153 7 166 +45 mins. 10 1 5 16 6 214 12 232 7 3 11 21 2 152 6 160
Total Volume 48 15 34 97 46 865 30 941 29 14 41 84 13 577 26 616 % App. Total 49.5 15.5 35.1 4.9 91.9 3.2 34.5 16.7 48.8 2.1 93.7 4.2 PHF .750 .469 .607 .638 .639 .970 .625 .972 .659 .583 .854 .955 .542 .896 .929 .895 Counts Unlimited
PO Box 1178
Corona, CA 92878
(951) 268-6268
File Name : 01_CPT_Dwight_Compton_PM
Site Code : 99919409
Start Date : 6/6/2019
Page No : 1
City of Compton
N/S: Dwight Avenue
E/W: Compton Boulevard
Weather: Clear
Groups Printed- Total Volume
Dwight Avenue
Southbound
Compton Boulevard
Westbound
Dwight Avenue
Northbound
Compton Boulevard
Eastbound
Start Time Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Int. Total 04:00 PM 14 6 5 25 7 127 8 142 8 3 3 14 14 294 5 313 494 04:15 PM 11 6 3 20 12 155 9 176 5 7 7 19 6 284 12 302 517 04:30 PM 9 2 2 13 7 125 12 144 4 3 6 13 11 254 16 281 451 04:45 PM 14 4 2 20 7 119 14 140 1 8 11 20 9 293 13 315 495 Total 48 18 12 78 33 526 43 602 18 21 27 66 40 1125 46 1211 1957 05:00 PM 13 6 9 28 11 125 16 152 7 8 5 20 12 331 12 355 555 05:15 PM 8 10 1 19 13 143 14 170 3 6 5 14 20 306 10 336 539 05:30 PM 8 5 1 14 12 106 16 134 6 5 9 20 29 280 18 327 495 05:45 PM 6 2 6 14 7 113 11 131 7 3 3 13 9 250 15 274 432 Total 35 23 17 75 43 487 57 587 23 22 22 67 70 1167 55 1292 2021 Grand Total 83 41 29 153 76 1013 100 1189 41 43 49 133 110 2292 101 2503 3978 Apprch % 54.2 26.8 19 6.4 85.2 8.4 30.8 32.3 36.8 4.4 91.6 4 Total % 2.1 1 0.7 3.8 1.9 25.5 2.5 29.9 1 1.1 1.2 3.3 2.8 57.6 2.5 62.9 Dwight Avenue
Southbound
Compton Boulevard
Westbound
Dwight Avenue
Northbound
Compton Boulevard
Eastbound
Start Time Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Left Thru Right App. Total Int. Total Peak Hour Analysis From 04:00 PM to 05:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 04:45 PM
04:45 PM 14 4 2 20 7 119 14 140 1 8 11 20 9 293 13 315 495 05:00 PM 13 6 9 28 11 125 16 152 7 8 5 20 12 331 12 355 555 05:15 PM 8 10 1 19 13 143 14 170 3 6 5 14 20 306 10 336 539 05:30 PM 8 5 1 14 12 106 16 134 6 5 9 20 29 280 18 327 495 Total Volume 43 25 13 81 43 493 60 596 17 27 30 74 70 1210 53 1333 2084 % App. Total 53.1 30.9 16 7.2 82.7 10.1 23 36.5 40.5 5.3 90.8 4 PHF .768 .625 .361 .723 .827 .862 .938 .876 .607 .844 .682 .925 .603 .914 .736 .939 .939 Counts Unlimited
PO Box 1178
Corona, CA 92878
(951) 268-6268
File Name : 01_CPT_Dwight_Compton_PM
Site Code : 99919409
Start Date : 6/6/2019
Page No : 2
Dwight Avenue
Compton Boulevard
Compton Boulevard
Dwight Avenue
Right
13 Thru
25 Left
43 Out In Total
157 81 238
Right
60 Thru
493
Left
43 Out Total In
1283 596 1879
Left
17 Thru
27 Right
30 Out In Total
121 74 195
Left
70 1210
Thru Right
53 Total Out In
523 1333 1856
Peak Hour Begins at 04:45 PM
Total Volume
Peak Hour Data
North
Peak Hour Analysis From 04:00 PM to 05:45 PM - Peak 1 of 1 Peak Hour for Each Approach Begins at:
04:15 PM 04:15 PM 04:45 PM 04:45 PM
+0 mins. 11 6 3 20 12 155 9 176 1 8 11 20 9 293 13 315
+15 mins. 9 2 2 13 7 125 12 144 7 8 5 20 12 331 12 355
+30 mins. 14 4 2 20 7 119 14 140 3 6 5 14 20 306 10 336 +45 mins. 13 6 9 28 11 125 16 152 6 5 9 20 29 280 18 327 Total Volume 47 18 16 81 37 524 51 612 17 27 30 74 70 1210 53 1333 % App. Total 58 22.2 19.8 6 85.6 8.3 23 36.5 40.5 5.3 90.8 4 PHF .839 .750 .444 .723 .771 .845 .797 .869 .607 .844 .682 .925 .603 .914 .736 .939 Counts Unlimited
PO Box 1178
Corona, CA 92878
(951) 268-6268
DATE: LOCATION: PROJECT #: SC
Wed, Aug 21, 19 NORTH & SOUTH: LOCATION #: 1
EAST & WEST: CONTROL: STOP N/S
NOTES: AM ▲
PM N
MD ◄ W E ►
OTHER S
OTHER ▼
NORTHBOUND SOUTHBOUND EASTBOUND WESTBOUND
NL NT NR SL ST SR EL ET ER WL WT WR TOTAL
LANES: 010 0 1002002 0
7:00 AM 3 0 3 5 0 5 1 95 2 3 217 2 336
7:15 AM 1 0 6 6 0 7 1 139 0 0 240 2 402
7:30 AM 1 0 8 7 0 17 3 197 1 5 254 3 496
7:45 AM 1 0 2 3 0 20 1 211 0 4 259 4 505
8:00 AM 0 0 3 4 0 7 6 166 0 6 234 9 435
8:15 AM 0 0 0 0 0 7 4 153 0 2 176 3 345
8:30 AM 0 0 4 1 0 1 3 127 0 5 174 4 319
8:45 AM 1 1 2 1 0 6 2 132 1 2 132 4 284
VOLUMES 7 1 28 27 0 70 21 1,220 4 27 1,686 31 3,122
APPROACH % 19% 3% 78% 28% 0% 72% 2% 98% 0% 2% 97% 2%
APP/DEPART 36 / 51 97 / 27 1,245 / 1,279 1,744 / 1,765 0
BEGIN PEAK HR
VOLUMES 3 0 19 20 0 51 11 713 1 15 987 18 1,838
APPROACH % 14% 0% 86% 28% 0% 72% 2% 98% 0% 1% 97% 2%
PEAK HR FACTOR 0.611 0.740 0.855 0.955 0.910
APP/DEPART 22 / 28 71 / 15 725 / 753 1,020 / 1,042 0
4:00 PM 0 0 4 0 1 3 5 273 1 3 140 5 435
4:15 PM 0 1 4 3 0 8 7 241 1 4 176 5 450
4:30 PM 1 0 1 3 0 6 9 289 0 2 153 12 476
4:45 PM 0 0 2 2 0 3 11 294 0 4 144 4 464
5:00 PM 0 0 4 1 0 3 5 306 3 5 141 12 480
5:15 PM 0 0 7 2 0 5 3 301 2 1 129 6 456
5:30 PM 0 0 3 0 0 3 4 312 1 0 149 1 473
5:45 PM 0 0 4 2 1 3 10 288 4 0 122 4 438
VOLUMES 1 1 29 13 2 34 54 2,304 12 19 1,154 49 3,672
APPROACH % 3% 3% 94% 27% 4% 69% 2% 97% 1% 2% 94% 4%
APP/DEPART 31 / 101 49 / 31 2,370 / 2,348 1,222 / 1,192 0
BEGIN PEAK HR
VOLUMES 1 0 14 8 0 17 28 1,190 5 12 567 34 1,876
APPROACH % 7% 0% 93% 32% 0% 68% 2% 97% 0% 2% 92% 6%
PEAK HR FACTOR 0.536 0.694 0.974 0.918 0.977
APP/DEPART 15 / 59 25 / 16 1,223 / 1,213 613 / 588 0
AM
7:15 AM
PM
4:30 PM
Kemp
Queue EB PM
Kemp Compton Compton
INTERSECTION TURNING MOVEMENT COUNTS
PREPARED BY: AimTD LLC. tel: 714 253 7888 [email protected]
Compton
Kemp
Compton
APPENDIX D
ICU ANALYSIS WORKSHEETS
EXISTING CONDITIONS
EXAM Fri Jun 28, 2019 08:54:43 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
Existing Conditions
AM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Base Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.490
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 33 Level Of Service: A
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 29 14 41 48 15 34 13 577 26 46 865 30
Growth Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Initial Bse: 29 14 41 48 15 34 13 577 26 46 865 30
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 PHF Volume: 31 15 43 51 16 36 14 607 27 48 911 32
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 31 15 43 51 16 36 14 607 27 48 911 32
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 31 15 43 51 16 36 14 607 27 48 911 32
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.34 0.17 0.49 0.50 0.15 0.35 1.00 1.91 0.09 1.00 1.93 0.07 Final Sat.: 552 267 781 792 247 561 1600 3062 138 1600 3093 107 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.02 0.06 0.06 0.03 0.06 0.06 0.01 0.20 0.20 0.03 0.29 0.29 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 EXPM Fri Jun 28, 2019 08:55:10 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
Existing Conditions
PM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Base Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.626
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 42 Level Of Service: B
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 17 27 30 43 25 13 70 1210 53 43 493 60
Growth Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Initial Bse: 17 27 30 43 25 13 70 1210 53 43 493 60
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 PHF Volume: 18 29 32 46 27 14 74 1287 56 46 524 64
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 18 29 32 46 27 14 74 1287 56 46 524 64
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 18 29 32 46 27 14 74 1287 56 46 524 64
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.23 0.36 0.41 0.53 0.31 0.16 1.00 1.92 0.08 1.00 1.78 0.22 Final Sat.: 368 584 649 849 494 257 1600 3066 134 1600 2853 347 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.01 0.05 0.05 0.03 0.05 0.05 0.05 0.42 0.42 0.03 0.18 0.18 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 PROJECT OPENING YEAR WITHOUT PROJECT CONDITIONS
2021NPAM Fri Jun 28, 2019 09:05:29 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
Project Opening Yea (2021) Without Project
AM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.501
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 33 Level Of Service: A
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 29 14 41 48 15 34 13 577 26 46 865 30
Growth Adj: 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 Initial Bse: 30 15 43 50 16 35 14 600 27 48 900 31
Added Vol: 0 0 0 0 0 0 0 0 0 0 0 0
PasserByVol: 0 0 0 0 0 0 0 0 0 0 0 0
Initial Fut: 30 15 43 50 16 35 14 600 27 48 900 31
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 PHF Volume: 32 15 45 53 16 37 14 632 28 50 947 33
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 32 15 45 53 16 37 14 632 28 50 947 33
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 32 15 45 53 16 37 14 632 28 50 947 33
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.34 0.17 0.49 0.50 0.15 0.35 1.00 1.91 0.09 1.00 1.93 0.07 Final Sat.: 552 267 781 792 247 561 1600 3062 138 1600 3093 107 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.02 0.06 0.06 0.03 0.07 0.07 0.01 0.21 0.21 0.03 0.31 0.31 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 2021NPPM Fri Jun 28, 2019 09:06:26 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
OPening Year (2021) Without Project
PM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.648
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 44 Level Of Service: B
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 17 27 30 43 25 13 70 1210 53 43 493 60
Growth Adj: 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 Initial Bse: 18 28 31 45 26 14 73 1259 55 45 513 62
Added Vol: 0 0 0 0 0 0 0 0 0 0 0 0
PasserByVol: 0 0 0 0 0 0 0 0 0 0 0 0
Initial Fut: 18 28 31 45 26 14 73 1259 55 45 513 62
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 PHF Volume: 19 30 33 48 28 14 77 1339 59 48 546 66
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 19 30 33 48 28 14 77 1339 59 48 546 66
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 19 30 33 48 28 14 77 1339 59 48 546 66
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.23 0.36 0.41 0.53 0.31 0.16 1.00 1.92 0.08 1.00 1.78 0.22 Final Sat.: 368 584 649 849 494 257 1600 3066 134 1600 2853 347 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.01 0.05 0.05 0.03 0.06 0.06 0.05 0.44 0.44 0.03 0.19 0.19 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 PROJECT OPENING YEAR WITH PROJECT CONDITIONS
2021WPAM Fri Jun 28, 2019 09:17:40 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
Opening Year (2021) With Project
AM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.505
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 34 Level Of Service: A
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 29 14 41 48 15 34 13 577 26 46 865 30
Growth Adj: 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 Initial Bse: 30 15 43 50 16 35 14 600 27 48 900 31
Added Vol: 5 0 3 0 0 0 0 1 2 1 1 0
PasserByVol: 0 0 0 0 0 0 0 0 0 0 0 0
Initial Fut: 35 15 46 50 16 35 14 601 29 49 901 31
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 PHF Volume: 37 15 48 53 16 37 14 633 31 51 948 33
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 37 15 48 53 16 37 14 633 31 51 948 33
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 37 15 48 53 16 37 14 633 31 51 948 33
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.37 0.15 0.48 0.50 0.15 0.35 1.00 1.91 0.09 1.00 1.93 0.07 Final Sat.: 590 244 766 792 247 561 1600 3053 147 1600 3093 107 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.02 0.06 0.06 0.03 0.07 0.07 0.01 0.21 0.21 0.03 0.31 0.31 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 2021WPPM Fri Jun 28, 2019 09:08:19 Page 3-1
-------------------------------------------------------------------------------- Compton & Kemp Residential TIA
Opening Year (2021) With Project
PM Peak Hour
-------------------------------------------------------------------------------- Level Of Service Computation Report
ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) ******************************************************************************** Intersection #1 Dwight Ave/Compton Blvd
******************************************************************************** Cycle (sec): 100 Critical Vol./Cap.(X): 0.656
Loss Time (sec): 10 Average Delay (sec/veh): xxxxxx
Optimal Cycle: 45 Level Of Service: B
******************************************************************************** Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R
------------|---------------||---------------||---------------||---------------| Control: Permitted Permitted Permitted Permitted
Rights: Include Include Include Include
Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0
Y+R: 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Lanes: 0 0 1! 0 0 0 0 1! 0 0 1 0 1 1 0 1 0 1 1 0
------------|---------------||---------------||---------------||---------------| Volume Module:
Base Vol: 17 27 30 43 25 13 70 1210 53 43 493 60
Growth Adj: 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 1.04 Initial Bse: 18 28 31 45 26 14 73 1259 55 45 513 62
Added Vol: 4 0 2 0 0 0 0 2 6 3 1 0
PasserByVol: 0 0 0 0 0 0 0 0 0 0 0 0
Initial Fut: 22 28 33 45 26 14 73 1261 61 48 514 62
User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 PHF Volume: 23 30 35 48 28 14 77 1341 65 51 547 66
Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0
Reduced Vol: 23 30 35 48 28 14 77 1341 65 51 547 66
PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 FinalVolume: 23 30 35 48 28 14 77 1341 65 51 547 66
------------|---------------||---------------||---------------||---------------| Saturation Flow Module:
Sat/Lane: 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600 Adjustment: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Lanes: 0.26 0.34 0.40 0.53 0.31 0.16 1.00 1.91 0.09 1.00 1.78 0.22 Final Sat.: 418 542 640 849 494 257 1600 3052 148 1600 2853 347 ------------|---------------||---------------||---------------||---------------| Capacity Analysis Module:
Vol/Sat: 0.01 0.06 0.06 0.03 0.06 0.06 0.05 0.44 0.44 0.03 0.19 0.19 Crit Moves: **** **** **** ****
******************************************************************************** Traffix 8.0.0715 (c) 2008 Dowling Assoc. Licensed to TJW Engineering 3 APPENDIX E
PARKING DATA
Compton Parking Survey
Wednesday June 19th, 2019
Inventory 4:00 PM 4:30 PM 5:00 PM 5:30 PM 6:00 PM 6:30 PM 7:00 PM 7:30 PM 8:00 PM 8:30 PM 9:00 PM 9:30 PM 10:00 PM 10:30 PM 11:00 PM 11:30 PM 12:00 AM South Side of Street 19 89975777666645554
Subtotal 19 89975777666645554
Total Occupancy 19 89975777666645554
Total Percent 42% 47% 47% 37% 26% 37% 37% 37% 32% 32% 32% 32% 21% 26% 26% 26% 21% Inventory 4:00 PM 4:30 PM 5:00 PM 5:30 PM 6:00 PM 6:30 PM 7:00 PM 7:30 PM 8:00 PM 8:30 PM 9:00 PM 9:30 PM 10:00 PM 10:30 PM 11:00 PM 11:30 PM 12:00 AM East Side of Street 7 Construction Construction 000033444445555 West Side of Street 9 Construction Construction 544789999999999 Subtotal 16 0 0 5 4 4 711 12 13 13 13 13 13 14 14 14 14 Total Occupancy 16 0 0 5 4 4 711 12 13 13 13 13 13 14 14 14 14 Total Percent 0% 0% 31% 25% 25% 44% 69% 75% 81% 81% 81% 81% 81% 88% 88% 88% 88% Inventory 4:00 PM 4:30 PM 5:00 PM 5:30 PM 6:00 PM 6:30 PM 7:00 PM 7:30 PM 8:00 PM 8:30 PM 9:00 PM 9:30 PM 10:00 PM 10:30 PM 11:00 PM 11:30 PM 12:00 AM North Side of Street 25 15 17 18 17 18 19 20 20 17 19 19 20 20 21 21 21 21 South Side of Street 21 13 14 14 14 13 15 14 16 17 17 16 18 18 18 17 17 18 Subtotal 46 28 31 32 31 31 34 34 36 34 36 35 38 38 39 38 38 39 Total Occupancy 46 28 31 32 31 31 34 34 36 34 36 35 38 38 39 38 38 39 Total Percent 61% 67% 70% 67% 67% 74% 74% 78% 74% 78% 76% 83% 83% 85% 83% 83% 85% Inventory 4:00 PM 4:30 PM 5:00 PM 5:30 PM 6:00 PM 6:30 PM 7:00 PM 7:30 PM 8:00 PM 8:30 PM 9:00 PM 9:30 PM 10:00 PM 10:30 PM 11:00 PM 11:30 PM 12:00 AM East Side of Street 8 33452222333434444
West Side of Street 5 12111111111100111
Subtotal 13 33452222333434444
Total Occupancy 13 33452222333434444
Total Percent 23% 23% 31% 38% 15% 15% 15% 15% 23% 23% 23% 31% 23% 31% 31% 31% 31% Grand Total Occupancy 94 39 43 50 47 42 50 54 57 56 58 57 61 58 62 61 61 61 Grand Total Percent 41% 46% 53% 50% 45% 53% 57% 61% 60% 62% 61% 65% 62% 66% 65% 65% 65% Compton Blvd between
Dwight Ave - Kemp Ave
Kemp Ave between
Compton Blvd - 151st St
151st St between Dwight
Ave - Kemp Ave
Dwight Ave between
Compton Blvd - 151st St
Counts Unlimited, Inc.
P.O. Box 1178
Corona, CA 92878
951-268-6268
APPENDIX F
SIGNAL WARRANT ANALYSIS WORKSHEETS
8/27/2019
Peak Hour: AM
Major Street: Minor Street:
1822 74
21 * Note:
Lower Threshold Volume for a Minor Street Approach with One Lane.
Source: MUTCD 2014 California Supplement Including Revision 3 (March 9, 2018) Prepared by TJW Engineering, Inc.
URBAN CONDITIONS
Compton Boulevard
Project Opening Year With Project Conditions
AM Peak Hour Volume Warrant
Compton Boulevard/Kemp Avenue
150 vph Applies as the Lower Threshold Volume for a Minor Street Approach with Two or More Lanes and 100 vph Applies as the
SIGNAL WARRANT NOT SATISFIED
Higher Volume Approach (VPH):
Number of Approach Lanes:
Kemp Avenue
PROJECT OPENING YEAR WITH PROJECT PEAK HOUR VOLUME WARRANT Total of Both Approaches (VPH):
Number of Approach Lanes:
0 100
200
300
400
500
600
400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 Minor Street-Higher Volume Approach (VPH)
Major Street-Total of Both Approaches (VPH)
Figure 4C-3. Peak Hour Warrant (Urban)
1 Lane Major & 1 Lane Minor
2 or More Lanes Major & 1 Lane Minor
2 or More Lanes Major & 2 or More Lanes Minor
*
*
8/27/2019
Peak Hour: PM
Major Street: Minor Street:
1920 26
21 * Note:
Lower Threshold Volume for a Minor Street Approach with One Lane.
Source: MUTCD 2014 California Supplement Including Revision 3 (March 9, 2018) Prepared by TJW Engineering, Inc.
URBAN CONDITIONS
Compton Boulevard
Project Opening Year With Project Conditions
PM Peak Hour Volume Warrant
Compton Boulevard/Kemp Avenue
150 vph Applies as the Lower Threshold Volume for a Minor Street Approach with Two or More Lanes and 100 vph Applies as the
SIGNAL WARRANT NOT SATISFIED
Higher Volume Approach (VPH):
Number of Approach Lanes:
Kemp Avenue
PROJECT OPENING YEAR WITH PROJECT PEAK HOUR VOLUME WARRANT Total of Both Approaches (VPH):
Number of Approach Lanes:
0 100
200
300
400
500
600
400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 Minor Street-Higher Volume Approach (VPH)
Major Street-Total of Both Approaches (VPH)
Figure 4C-3. Peak Hour Warrant (Urban)
1 Lane Major & 1 Lane Minor
2 or More Lanes Major & 1 Lane Minor
2 or More Lanes Major & 2 or More Lanes Minor
*
*
Compton & Kemp Residential
Traffic Impact Analysis
City of Compton, California
Prepared for:
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92618
Prepared by:
TJW ENGINEERING, INC.
6 Venture, Suite 225
Irvine, CA 92618
September 24, 2019
6 Venture, Suite 225 | Irvine CA 92618 | t: (949) 878-3509 www.tjwengineering.com
September 24, 2019
Ms. Kim Prijatel
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92612
Subject: Traffic & Parking Analysis: Compton & Kemp Residential Project, City of Compton Dear Ms. Prijatel:
TJW ENGINEERING, INC. (TJW) is pleased to present you with this revised traffic impact analysis for the proposed Compton & Kemp Residential project in the City of Compton.
This traffic study has been prepared to meet the traffic study requirements for the City of Compton and address comments provided on the draft report by City staff on August 8, 2019. This report is being submitted to you for review and forwarding to the City of Compton.
Please contact us at (949) 878-3509 if you have any questions regarding this analysis.
Sincerely,
Thomas Wheat, PE, TE Jeff Weckstein
President Transportation Planner
Registered Civil Engineer #69467
Registered Traffic Engineer #2565
6 Venture, Suite 225 | Irvine CA 92618 | t: (949) 878-3509 www.tjwengineering.com
COMPTON & KEMP RESIDENTIAL PROJECT
TRAFFIC IMPACT ANALYSIS
City of Compton
Prepared for:
CITY VENTURES
3121 Michelson Drive, Suite 150
Irvine, CA 92612
Prepared by:
6 Venture, Suite 225
Irvine, CA 92618
Thomas Wheat, PE, TE
Jeffrey Weckstein
September 24, 2019
JN: CVR-19-001
TJW Engineering, Inc.
CVR19001 Compton & Kemp TIA-Pkng 20211004 i|page
Table of Contents
Section Page
1.0 Executive Summary ........................................................................................... iv
1.1 Summary of Analysis Results iv
1.2 Sight Distance Analysis Summary iv
2.0 Introduction ...................................................................................................... 1
2.1 Project Description 1
2.2 Study Area 3
2.3 Analysis Methodology 3
2.4 Performance Criteria 5
2.5 Thresholds of Significance 5
3.0 Existing Conditions ............................................................................................ 7
3.1 Existing Circulation Network and Study Area Conditions 7
3.2 City of Compton Circulation Element 7
3.3 Existing Bicycle and Pedestrian Facilities 7
3.4 Existing Public Transit Services 7
3.5 Existing Traffic Volumes 9
3.6 Existing Conditions Intersection Level of Service Analysis 9
4.0 Proposed Project ............................................................................................... 12
4.1 Project Description 12
4.2 Project Trip Generation 12
4.3 Project Trip Distribution 13
4.4 Modal Split 13
4.5 Project Trip Assignment 13
5.0 Project Opening Year Without Project Conditions .............................................. 16
5.1 Roadway Improvements 16
5.2 Project Opening Year Without Project Traffic Volumes 16
5.3 Project Opening Year Without Project Intersection Level of Service Analysis 16
6.0 Project Opening Year With Project Conditions ................................................... 18
6.1 Roadway Improvements 18
6.2 Project Opening Year With Project Traffic Volumes 18
6.3 Project Opening Year With Project Intersection Level of Service Analysis 18
TJW Engineering, Inc.
CVR19001 Compton & Kemp TIA-Pkng 20211004 ii|page
7.0 Site Access and Sight Distance ........................................................................... 21
7.1 On-Site Roadway Improvements 21
7.2 Sight Distance Analysis 21
8.0 Parking .............................................................................................................. 23
9.0 Signal Warrant Analysis ..................................................................................... 25
TJW Engineering, Inc.
CVR19001 Compton & Kemp TIA-Pkng 20211004 iii|page
List of Tables ................................................................................................................ Page Table 1: LOS & V/C Ranges 5
Table 2: Roadway Characteristics Within Study Area 7
Table 3: Intersection Analysis – Existing Conditions 11 Table 4: Trip Generation Rates for Proposed Project Land Use 12 Table 5: Trip Generation of Proposed Project 13
Table 6: Intersection Analysis – Project Opening Year Without Project Conditions 16 Table 7: Intersection Analysis – Project Opening Year With Project 20 Table 8: Stopping Sight Distance 21
Table 9: Parking Survey Results 25
Table 10: Signal Warrant Analysis 26
List of Exhibits ............................................................................................................. Page
Exhibit 1: Proposed Project Site Plan ........................................................................................ 2 Exhibit 2: Project Location and Study Area ................................................................................ 4 Exhibit 3: Existing Lane Geometry and Intersection Controls ..................................................... 8 Exhibit 4: Existing AM/PM Peak Hour Intersection Volumes ...................................................... 10 Exhibit 5: Trip Distribution of Proposed Project Trips ................................................................ 14 Exhibit 6: Proposed Project Trip Assignment ............................................................................. 15 Exhibit 7: Project Opening Year Without Project Traffic Volumes............................................... 17 Exhibit 8: Project Opening Year With Project Traffic Volumes .................................................... 19 Exhibit 9: Site Distance Exhibit.................................................................................................. 21 Appendices
Appendix A: Scoping Letter/Email
Appendix B: Compton Roadway Classifications and Cross Sections Appendix C: Existing Traffic Counts
Appendix D: ICU Analysis Sheets
Appendix E: Parking Data
Appendix F: Signal Warrant Analysis Worksheets
................................................................................................................................................
TJW Engineering, Inc.
CVR19001 Compton & Kemp TIA-Pkng 20211004 iv|page
1.0 EXECUTIVE SUMMARY
This traffic impact analysis (TIA) analyzes the projected traffic operations associated with the proposed Compton and Kemp Residential project in the City of Compton. The purpose of this TIA is to evaluate potential circulation system deficiencies that may result from development of the proposed project, and to recommend improvements to achieve acceptable operations, if applicable.
This analysis has been prepared pursuant to applicable City of Compton/Los Angeles County traffic impact analysis guidelines.
The proposed project is bounded by Compton Boulevard to the north, Kemp Avenue to the east, 151st Street to the south and Dwight Avenue to the west. The proposed project would consist of 24-single family dwelling units. The site, located at 930 West Compton Boulevard, is currently vacant. Site access is planned at two driveways on 151st Street.
The proposed project is anticipated to be built and generating trips in 2021.
The following signalized intersection in the vicinity of the project site has been included in the intersection level of service (LOS) analysis based on submission of a scoping letter and receipt of comments back from City staff.
• Dwight Avenue [runs north-south (NS)] at Compton Boulevard [runs east-west (EW)].
This traffic analysis follows the Los Angeles County Public Works Traffic Impact Analysis Report Guidelines (January 1, 1997).
1.1 SUMMARY OF ANALYSIS RESULTS
No significant impacts are projected in the study area as a result of the proposed project, based on the City of Compton’s thresholds of significance. Therefore, the proposed project should not be responsible for implementing any off-site improvements, except for improvements related to the project driveways.
The study intersection is projected to operate at an acceptable LOS (LOS D or better) for all analysis scenarios.
The proposed project will result in the loss of 6-8 on-street parking spaces on the north side of 151st Street between Dwight Avenue and Kemp Avenue based on California Manual on Uniform Traffic Control Devices (CA MUTCD) guidelines for urban driveways. There would still remain adequate onstreet parking capacity on the streets adjacent to the proposed project site. The proposed project satisfies minimum off-street parking requirements.
2.0 INTRODUCTION
This traffic impact analysis (TIA) analyzes the projected traffic operations associated with the proposed Compton and Kemp Residential project in the City of Compton. The purpose of this TIA is to evaluate potential circulation system deficiencies that may result from development of the proposed project, and to recommend improvements to achieve acceptable operations, if applicable.
This analysis has been prepared pursuant to applicable City of Compton/Los Angeles County traffic impact analysis guidelines.
2.1 PROJECT DESCRIPTION
The proposed project is bounded by Compton Boulevard to the north, Kemp Avenue to the east, 151st Street to the south and Dwight Avenue to the west. The proposed project would consist of 24-single family dwelling units. The site is currently vacant. Site access is planned at two driveways on 151st Street.
The proposed project is anticipated to be built and generating trips in 2021.
Figure 1 shows the project site location. Exhibit 1 shows the proposed project site plan.
Figure 1– Project Location
Not to Scale
Traffic Engineering & Transportation Planning Consultants www.tjwengineering.com CVR-19-001 Compton & Kemp Traffic Impact Analysis
Exhibit 1: Compton & Kemp Conceptual Site Plan