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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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Number Deadline
SJCDPW-RFP-25-06
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consulting engineering consultants (CONSULTANT) to undertake, perform, and complete the tasks set forth in Request for Proposals (RFP) – SJCDPW-RFP-25-06. The selected consultant will provide professional and technical design engineering services for Phase II Final Design of the Grant Line Road Realignment Project (PROJECT). The selected CONSULTANT will be the highest-ranking CONSULTANT that has successfully negotiated the terms for award of a consulting services agreement. CONSULTANT shall be required to provide all labor, equipment, tools, and facilities necessary for the completion of the PROJECT. CONSULTANT will be required to have knowledge of County, California Department of Transportation (Caltrans) and Federal High Way Administration standards and processes on transportation projects. The requested services will include designing and engineering improvements for a realignment of Grant Line Road between the city of Tracy and Interstate 5 based on the preferred alternative. Additional elements of the project design include improvements to restrict access into the Banta community to prevent cut-through traffic movements. All work shall comply with the County Policies, Caltrans Local Assistance Procedure Manual. The deadline for submitting technical proposals to SJCDPW will be no later than 12:00 p.m. on Monday, September 29, 2025. A copy of SJCDPW-RFP-25-06 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-25-06 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 .
09/29/2025 07:00 PM UTC
SJCDPW-RFP-25-07
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified construction management (CM) firms to undertake, perform, and complete the tasks outlined in the Request for Proposals – SJCDPW-RFP-25-07. The selected CM firm will perform professional and technical engineering services for the proposed Escalon Road Bridge No. 29C-476 Replacement Project. The requested professional construction management services shall include, but are not limited to: constructability review, contract administration, part-time resident engineering, full-time construction inspection, public outreach, labor compliance review, stakeholder coordination, quality assurance, materials sampling and testing, and maintenance of project records for the PROJECT. The scope of work also encompasses documentation of preconstruction conditions, schedule and lead periodic meetings, review of material submittals and construction schedules, responses to requests for information (RFIs), management of contract modifications, change orders, and claims, coordination with stakeholders, and preparation and distribution of project-related notifications, including those required by regulatory agencies before and after construction. Additional responsibilities include project closeout, punch-list preparation and final acceptance, development of as-built drawings, and other miscellaneous construction administration tasks. Estimated Construction Contract Award Date: October 2026 Estimated Bird Netting Start Date: December 2, 2026 (Bird Netting) Estimated Construction Duration for Bird Netting: 5 working Days Estimated Bridge Construction Start Date: March 8, 2027 Estimated Bridge Construction Duration: 181 Working Days Total Estimated Contractor’s Contract (5 working days for Netting + Bridge Construction): 186 Working Days The deadline for submitting technical proposals to SJCDPW will be no later than 4:00 p.m. on Monday, September 29, 2025. A copy of SJCDPW-RFP-25-07 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-25-07 in order to be added to the Proposers’ List. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
09/29/2025 11:00 PM UTC
2 Solicitations

Closed Solicitations

Number Deadline
Kasson Road Resurfacing
The work is located southeast of the City of Tracy. The work, in general, consists of repairing and resurfacing approximately 3 miles of roadway with asphalt concrete. Base Estimate Range Between $1,115,000 and $1,375,000
 05/04/2023 08:31 PM UTC
Koster Road and Linne Road Resurfacing
The work is located southeast of the City of Tracy. The work, in general, consists of repairing and resurfacing approximately 3.89 miles of roadway with asphalt concrete. Base Estimate Range Between $1,390,000 and $1,700,000
 05/04/2023 08:31 PM UTC
Combs Avenue Resurfacing
The work is located East of the City of Escalon. The work, in general, consists of repairing and resurfacing approximately 0.70 mile of roadway with asphalt concrete. Base Estimate Range Between $269,000 and $329,000
 04/20/2023 08:31 PM UTC
Schulte Road Resurfacing
The work is located east of the city of Tracy. The work, in general, consists of repairing and resurfacing approximately 1.0 mile of roadway with asphalt concrete. Base Estimate Range Between $444,000 and $541,000
 04/20/2023 08:31 PM UTC
Duncan Road and Eight Mile Road Resurfacing
The work is located east of the City of Stockton. The work, in general, consists of repairing and resurfacing approximately 3.8 miles of roadway with asphalt concrete. Base Estimate Range Between $1,500,000 and $1,832,000
 04/06/2023 08:31 PM UTC
SJCDPW-RFQ-23-02
The San Joaquin County Department of Public Works (SJCDPW) requests Statements Of Qualifications from engineering consulting firms for on-call lab testing, materials testing, specialty inspections and related services. Consultants on the on-call list for Materials Engineering and Testing Services will perform materials engineering and testing services on an as-needed basis in conjunction with roads and streets, bridges, traffic signals, water supply, sanitary sewer, storm drainage, and other public works projects in San Joaquin County. Required services and capabilities to be provided by On-Call Consultants include, but are not limited to, the following: < California Licensed Professional Engineer < Participation in Caltrans' reference testing program and extensive experience with California Testing Method and American Society for Testing and Materials (ASTM) testing method < Caltrans and/or other professional organization qualification/certification (i.e. ASSHTO, Asphalt Institute, American Concrete Institute, National Institute of Certification of Engineering Technologies, etc.) for key testing personnel and equipment. < Preparation of project scope including: project understanding, schedule, and cost < Positive lab test results to be furnished within 72 hours and failing results within 24 hours unless duration of tests exceeds these limits. < Certified quality control measures. < Maintenance of all acceptance materials testing records. The deadline for submitting qualifications to SJCDPW will be no later than 4:00 p.m. on Friday, March 31, 2023. SJCDPW’s standard business practice strives to ensure that a consultant’s professional qualifications meet the needs and services to be performed, the payment method is appropriate, and the cost is fair and reasonable to the public agency. A copy of SJCDPW-RFQ-23-02 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps-and-rfqs or at www.BidEpress.com . All prospective consultants must register for each particular solicitation in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum. Alternative arrangements may be made to secure a hard copy of SJCDPW-RFQ-23-02 or general questions regarding the Request for Qualifications by contacting Nhan Tran at email address: ntran@sjgov.org .
03/31/2023 11:00 PM UTC
SJCDPW-RFQ-23-01
The San Joaquin County Department of Public Works (SJCDPW) requests Statements of Qualifications (SOQ) from innovative engineering consulting firms for On-Call Bridge Engineering Services in support of the San Joaquin County Highway Bridge Program and local Bridge Preventive Maintenance Program. This procurement will be comprised of evaluation of SOQs and presentation-interviews with select firms if warranted as described in this Request For Qualifications (RFQ). SJCDPW intends to establish a list of up to three (3) consulting firms to provide support services on an as-needed basis for various bridge projects that become available over the next two (2) years. SJCDPW may also elect to extend the period for new project assignments to a third year. Duration, scope, and scheduling of services will vary with specific project assignments. At the time of project assignment, County will enter into a project specific Independent Consultant Agreement (Agreement). The amount of work for each project specific Agreement will be varied but will not exceed $200,000 annually per consultant. The method of payment for task orders under the On Call Agreement will be actual cost plus fixed fee. The deadline for submitting qualifications to SJCDPW will be no later than 4:00 p.m. on Friday, March 24, 2023. SJCDPW’s standard business practice strives to ensure that a consultant’s professional qualifications meet the needs and services to be performed, the payment method is appropriate, and the cost is fair and reasonable to the public agency. The specific requirements set forth in SJCDPW-RFQ-23-01 should be closely examined and followed by those consultant firms interested in submitting statements of qualifications. A copy of SJCDPW-RFQ-23-01 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps-and-rfqs and www.bidexpress.com. All prospective consultants must register for solicitation No. SJCDPW-RFQ-23-01 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. Alternative arrangements may be made to secure a hard copy of SJCDPW-RFQ-23-01 or general questions regarding this Solicitation by contacting Nhan Tran, Management Analyst II, at mail: ntran@sjgov.org .
03/24/2023 11:00 PM UTC
Movable Span Bridges Project, Federal Aid Project No. BRLS-5929(229)
The work is located in San Joaquin County, California at the following bridges: Bacon Island Road Bridge 29C-108 over Middle River Tracy Boulevard Bridge 29C-022 over Grant Line Canal Eight Mile Road Bridge 29C-114 over Bishop Cut Eight Mile Road Bridge 29C-219 over Honker Cut The work, in general, consists of repairing and/or replacing mechanical and electrical equipment at each of the four bridges. The DBE Contract goal is 19 percent Base Estimate Range Between $4,164,000 and $5,089,000
 03/23/2023 08:31 PM UTC
Hildreth Lane Resurfacing
The work is located in northeast Stockton. The work in general, consist of reparing and resurfacing approximately 0.9 mile of roadway with asphalt concrete. Base Estimate Range Between $336,000 and $410,000
 03/23/2023 08:31 PM UTC
Clements Road Resurfacing
The work is located East of Lockeford. The work, in general, consists of repairing and resurfacing approximately 3.25 miles of roadway with asphalt concrete. Base Estimate Range Between $840,400 and $1,035,600
 03/02/2023 09:31 PM UTC
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