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San Joaquin County Department of Public Works

1810 East Hazelton Avenue, Stockton, CA 95205
(209) 468-3000 

The overall mission of the San Joaquin County Department of Public Works is to plan, design, construct, operate and maintain the County infrastructure, which includes public roads, transportation systems, bridges, water, wastewater, channel maintenance and solid waste disposal systems of the County, in order to best serve the interests of the people. These systems are maintained to protect the health and welfare of the public and the County’s financial investments. Public Works also provides vehicle support for the County, including procurement support, heavy and light vehicle maintenance and repair, and daily rental services.

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Upcoming Solicitations

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SJCDPW-RFQ-25-04
The San Joaquin County Department of Public Works (SJCDPW) requests Statement of Qualifications (SOQ’s) from qualified and innovative Consultants to provide consulting engineering services for the full engineering design services for the Acampo Innovation Project (Project). The selected Consultant (Consultant) will be requested to enter into a Consultant Services Agreement with the San Joaquin County as set forth in this Request for Qualifications (RFQ).The Consultant shall be required to provide all labor, equipment, tools, and facilities necessary for the completion of the Project. The Cooper’s Corner area of San Joaquin County, near the unincorporated community of Acampo, experiences periodic flooding about once every 10 years on average due to changes in the upper watershed that occurred over generations. In response to flooding in 2017, a multiphase plan was developed entitled “Acampo Area Drainage Innovation Plan”. The first phase of the plan was completed in 2019 and consisted of a drainage system that intercepted drainage flowing into and from within the Cooper’s Corner community. The system was intended to reduce the frequency, severity, and duration of recurring shallow flooding within the community. Unfortunately, the area was again subject to significant inundation in 2023. The second phase of the plan will further flood risk reduction efforts by intercepting surface run-off upstream of this area and diverting it south towards the Mokelumne River and diverting a portion of the flows onto agricultural lands with suitable soil profiles. In addition to reducing flood risk for the Cooper’s Corner, the redirected run-off would improve groundwater conditions in the critically over-drafted Eastern San Joaquin groundwater subbasin. The Project consists of development of 100% engineering plans, specifications, environmental documents and engineers estimate of probable construction costs for drainage and water retention and recharge improvements to reduce the risk of severe flooding in the areas at east of California Highway 99 (SR 99) at Woodbridge Road, Acampo Road, and Peltier Roads which have experienced flooding and resulted in the temporary closure of SR 99 and the evacuation residents in the Cooper’s Corner area.
07/07/2025 07:00 PM UTC
Cotta Road Bridge No. 29C-471 Replacement at Upland Canal, Federal Aid Project No. BRLO-5929(234).
The work is located on Cotta Road Bridge (Bridge No. 29C-292/Bridge No. 29C-471) over Upland Canal, east of N. Guard Road. The work, in general, consists of demolishing the existing bridge (Bridge No. 29C-292), constructing a new 2-lane structure (Bridge No. 29C-471) with necessary appurtenances, reconstructing approach roadways to conform with the new concrete structure, conforming driveways, and placing rock slope protection in the canal. The DBE Contract goal is 21 percent Base Estimate Range Between $2,256,769 and $2,758,274
 07/17/2025 08:31 PM UTC
Koster Road Resurfacing
The work is located southeast of the City of Tracy. The work, in general, consists of repairing and resurfacing approximately 2.0 miles of roadway with asphalt concrete. Base Estimate Range between $750,000 and $920,000
 07/17/2025 08:31 PM UTC
Kingdon Area Roads Resurfacing
The work is located west of the City of Lodi. The work, in general, consists of repairing and resurfacing approximately 3 miles of roadway with asphalt concrete and earthwork in isolated areas for drainage ditches. Base Estimate Range between $1,134,000 and $1,386,000
 07/17/2025 08:31 PM UTC
SJCDPW-RFP-25-04
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consultants to undertake, perform, and complete the tasks set forth in Request for Proposals (RFP) – SJCDPW-RFP-25-04. The selected CONSULTANT will perform professional and technical engineering services for the proposed Waverly Road Bridge 29C-368 Across Chanel B Replacement (PROJECT). The requested professional design engineering services shall include, but will not be limited to, the following: Project Management, Project Surveying, Mapping and Control, Evaluation of Bridge Type Selection/Roadway Alignment, Public Outreach Program, Geotechnical Analysis Report, CEAQ Approval, Hydraulic and Hydrology Analysis, Permitting Compliance, Utility Coordination and Relocation Plan, Right-of-Way Engineering, Plans, Specifications, and Engineer's Estimate (PS&E), and Bidding and Post Award Assistance services for the PROJECT. The deadline for submitting technical proposals to SJCDPW will be no later than 4:00 p.m. on Monday, July 21, 2025. A copy of SJCDPW-RFP-25-04 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-04 in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum. It is imperative that prospective consultants check the solicitation Web page often for the status and/or modifications. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
07/21/2025 11:00 PM UTC
5 Solicitations

Closed Solicitations

Number Deadline
SJAFCA-RFQ-23-01
The San Joaquin Area Flood Control Agency (SJAFCA) invites qualified consulting firms to submit statement of qualifications (SOQ) to perform a variety of professional engineering and related services to support SJAFCA’s flood risk reduction programs. The purpose of this Request for Qualifications (RFQ) is to establish a list of qualified firms per technical discipline that can support SJAFCA’s programs through subsequent consultant service agreements. The most qualified firms may be requested to enter into a master services agreement to provide services on an on-call basis. From time to time, as SJAFCA needs to utilize consultant resources, SJAFCA will either utilize the master services agreement, or issue request proposals from consultants from the required technical discipline. Generally, the services, as described in more detail below, consist of concept and feasibility-level planning support, engineering, environmental, real estate, economic analysis, grant preparation, and supporting technical disciplines required to advance flood risk reduction studies and designs. Special consideration will be given to firms with direct and proven experience on the State of California Department of Water Resources (DWR) Urban Flood Risk Reduction (UFRR) requirements, integration of multi-benefit opportunities and features, U.S. Army Corps of Engineers’ planning and design processes, and Federal Emergency Management Agency’s (FEMA) Levee Accreditation Program. Estimated Contract Duration: 3 years with options of 3 annual extensions. Estimated Cumulative Contract Amount: Cumulative task orders are not to exceed $10M per agreement, unless
 10/25/2023 11:00 PM UTC
Replacement of Landfill Gas Flare at North County Landfill
The work is located at North County Landfill (17720 E Harney Lane Lodi, Ca 95240). The work, in general, consists of general grading, construction of concrete flare pad, installation of replacement flare and associated electrical work. Base Estimate Range Between $765,000 and $935,000
08/03/2023 08:31 PM UTC
Garden Acres Streets Resurfacing 2022-2023
The work is located east of the City of Stockton. The work, in general, consists of repairing and resurfacing approximately 1 mile of roadway with asphalt concrete. Base Estimate Range Between $520,000 and $629,000
 06/29/2023 08:31 PM UTC
Howard Road Resurfacing, Federal Aid Project No. STPL-5929(314)
The work is located southwest of the City of Stockton. The work, in general, consists of repairing and resurfacing approximately 3 miles of existing roadway with asphalt concrete. The DBE Contract goal is 22% Base Estimate Range Between $1,345,000 and $1,661,000
 06/22/2023 08:31 PM UTC
Foothill 2023 Landfill Gas System Improvements
The work is located at Foothill Landfill (6484 N Waverly Rd Linden, CA 95236). The work, in general, consists of welding and installing High Density Polyethylene pipe of various sizes above and below grade, drilling and installing vertical gas extraction wells, trenching and installing horizontal gas collectors. Base Estimate Range Between $700,000 and $950,000
 06/15/2023 08:31 PM UTC
Lincoln Village Streets Resurfacing 2023
The work is located on the west side of Stockton. The work, in general, consists of repairing and resurfacing approximately 0.30 miles of roadway with asphalt concrete. Base Estimate Range Between $278,000 and $339,000
 06/15/2023 08:31 PM UTC
McKinley Avenue Resurfacing
The work is located south of the City of Stockton and north of the City of Lathrop. The work, in general, consists of repairing and resurfacing approximately 2.50 miles of roadway with asphalt concrete. Base Estimate Range Between $1,075,000 and $1,326,000
 06/15/2023 08:31 PM UTC
SJCDPW-23-03
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified electrical contractors to undertake, perform, and complete tasks set forth in Request for Proposals SJCDPW-RFP-23-03. The selected electrical contractor will perform traffic signal system preventive maintenance and repair services throughout San Joaquin County. The successful contractor will be requested to enter into two separate consultant services agreements, one for preventive maintenance services and one for repair services with San Joaquin County as set forth in this Request for Proposals (RFP). SJCDPW desires thirty-six (36) month service contracts for traffic signal system preventive maintenance and repair services, with the potential to extend these contracts for an additional twenty-four (24) months. The successful contractor will be required to provide quality services with minimum service call back.
06/09/2023 11:00 PM UTC
Austin Road and Comconex Road Resurfacing
The work is located in Manteca. The work, in general, consists of repairing and resurfacing approximately 1.25 of a miles of roadway with asphalt concrete. Base Estimate Range Between $505,000 and $641,000
 06/01/2023 08:31 PM UTC
Job Order Contracts JOC-022, JOC-023 and JOC-024
A Job Order Contract is an indefinite quantity contract pursuant to which the Contractor may perform an ongoing series of individual Projects at different locations throughout San Joaquin County. The bid documents include a Construction Task Catalog® containing construction tasks with preset Unit Prices. All Unit Prices are based on local labor, material and equipment prices and are for the direct cost of construction.
 06/01/2023 08:31 PM UTC
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