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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.

Standard Documents

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Upcoming Solicitations

Number Deadline
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
Graham Road and Pearl Road Resurfacing
The work is located East of Elliot Road and South of Liberty Road. The work, in general, consists of repairing and resurfacing approximately 4 miles of roadway with asphalt concrete. Base Estimate Range between $1,100,000 and $1,345,000
05/15/2025 08:31 PM UTC
Delta-Mendota Bridge Railing Replacement Project, Federal Aid Project No. BPMPL-5929(260)
The work is located at Koster Road Bridge No. 29C-353. The work, in general, consists of replacing the existing bridge barrier with reinforced concrete barrier and realigning access roads. The DBE Contract goal is 24 percent Base Estimate Range Between $970,000 and $1,185,000
05/08/2025 08:31 PM UTC
Handel Road Resurfacing
The work is located east of Lodi. The work, in general, consists of repairing and resurfacing approximately 1 mile of roadway with asphalt concrete. Base Estimate Range between $302,000 and $372,000
05/01/2025 08:31 PM UTC
Airport Way Frontage Road Resurfacing
The work is located south of the City of Stockton. The work, in general, consists of repairing and resurfacing approximately 0.21 miles of roadway with asphalt concrete. Base Estimate Range between $345,106 and $420,616
05/01/2025 08:31 PM UTC
Road District 4 Streets Resurfacing 2025
The work is located east of State Route 99 and north of Lockeford. The work, in general, consists of repairing and resurfacing approximately 3 miles of roadway with asphalt concrete. Base Estimate Range between $830,000 and $1,013,000
05/01/2025 08:31 PM UTC
SJAFCA-RFP-25-02
The San Joaquin Area Flood Control Agency (SJAFCA) requests proposals from a prime contractor of a consultant team to undertake, perform, and complete tasks set forth in this Request for Proposal, SJAFCA-RFP-25-02 (RFP). SJAFCA is the administrator of this RFP. The selected consultant/consultant team (CONSULTANT) shall be contracted by SJAFCA to perform professional consulting services (SERVICES) related to construction management for the Mossdale Urban Flood Risk Reduction Project (Project). Design of the Project will be completed under a separate RFP. The prime contractor or any member of its consultant team cannot provide both design/permitting and construction management services for this Project. The separately selected design team will provide engineering during construction services through a separate contract. The CONSULTANT is required to provide all labor, equipment, tools, and facilities necessary for completion of its SERVICES for the Project and has the option of using sub-consultants to accomplish this. SJAFCA seeks to encourage local economic development and enhance regional technical expertise. Throughout this proposal, the CONSULTANT is strongly encouraged to describe how their team can contribute to this initiative. Examples of supporting local economic development and regional technical expertise include but is not limited to: • Including local consultants that have a physical office within San Joaquin County. • Including national consultants that have (or plan to open) a physical office within San Joaquin County. • Participation in academic, non-profit, or other organizations that support the establishment of small businesses and/or economic development in San Joaquin County. • Participation in academic, non-profit, or other educational programs that support student interest in Science, Technology, Engineering, and Mathematics (STEM) career paths.
04/28/2025 10:00 PM UTC
Construction of Module 7 at the North County Sanitary Landfill
The work is located at North County Sanitary Landfill (17720 E Harney Ln Lodi, Ca 95240). The work, in general, consists of : excavating and grading the base and side slopes for the new landfill expansion area, installing landfill liner system, installing leachate collection system, constructing access roads and drainage systems. Base Estimate Range between $12,300,000 and $13,500,000
04/24/2025 08:31 PM UTC
Benjamin Holt Drive Water Main Replacement Project
The work is located within the Lincoln Village Maintenance District in Stockton, CA on Benjamin Holt Drive between Pershing Avenue and Gettysburg Place. The work, in general consists of installing approximately 2,300 lineal feet of new water main along Benjamin Holt Drive and portions of Pershing Avenue, Vicksburg Place and Gettysburg Place with necessary valves, fire hydrants, and various appurtenances within the Lincoln Village Maintenance District. In addition, 37 water service laterals will be installed for future connection in a later phase Base Estimate Range between $1,052,145 and $1,227,502
04/17/2025 08:31 PM UTC
Ahern Road Improvements
The work is located southwest of the City of Tracy. The work, in general, consists of repairing, widening and resurfacing approximately 1.4 miles of roadway with asphalt concrete. Base Estimate Range between $1,715,000 and $2,095,000
04/17/2025 08:31 PM UTC
North 99 Frontage Road West Resurfacing
The work is located South of the City of Lodi. The work, in general, consists of repairing and resurfacing approximately 2.54 miles of roadway with asphalt concrete. Base Estimate Range between $1,255,000 and $1,550,000
04/17/2025 08:31 PM UTC
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