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San Joaquin County Department of Public Works

1810 E Hazelton Ave, Stockton, CA 95205-6232
(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-RFP-25-10
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-25-10. The selected CM firm will perform professional and technical engineering services for the REPLACEMENT OF BUCKMAN ROAD BRIDGE NOS. 29C-307 (BRLO-5929(241)) AND 29C-227 (BRLO-5929(245)) (PROJECT). The selected CM firm will be the highest-ranking firm that has successfully negotiated the terms for the award of a consultant services agreement. The selected CM firm/team will be requested to enter into a consultant services agreement with San Joaquin County (County). All work shall comply with the County Policies, the Local Assistance Procedure Manual (LAPM), and the most recent guidelines for the Federal Highway Bridge Program (HBP). 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, 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, and the 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. Replacement of Buckman Road Bridge No. 29C-307 – Federal Aid Project No. BRLO-5929(241) Estimated Construction Contract Award Date: December 8, 2026 Estimated Bird Netting Start Date: January 4, 2027 (Bird Netting) Estimated Construction Duration for Bird Netting: 5 working Days Estimated Bridge Construction Start Date: May 3, 2027 Estimated Bridge Construction Duration: 124 Working Days Total Estimated Contractor’s Contract (5 working days for Netting + Bridge Construction) Duration: 129 Working Days Replacement of Buckman Road Bridge No. 29C-227 – Federal Aid Project No. BRLO-5929(245) Estimated Construction Contract Award Date: October 5, 2027 Estimated Bird Netting Start Date: January 3, 2028 (Bird Netting) Estimated Construction Duration for Bird Netting: 5 Working Days Estimated Bridge Construction Start Date: May 14, 2028 Estimated Bridge Construction Duration: 165 Working Days Total Estimated Contractor’s Contract (5 working days for Netting + Bridge Construction) Duration: 170 Working Days
01/20/2026 08:00 PM UTC
SJCDPW-RFP-25-09
San Joaquin County was one of California’s original counties, established in 1850. San Joaquin County is located in the heart of California’s Central Valley, encompassing approximately 1,392 square miles of rich agricultural land, waterways, and growing urban centers. Bordered by the Sacramento–San Joaquin River Delta to the west, the County offers a blend of natural beauty, productive farmland, and a dynamic economy that connects Northern and Central California. The region is characterized by a balance of vibrant cities and rural landscapes, providing residents and visitors with both metropolitan amenities and small-town charm. The County’s population is approximately 814,000, spread across eight incorporated cities including Stockton, Lodi, Manteca, Tracy, Ripon, Escalon, Lathrop, the newly incorporated City of Mountain House, and several thriving unincorporated communities. The San Joaquin County Department of Public Works (SJCDPW) delivers essential municipal-type services to residents and businesses in unincorporated areas. The Solid Waste Division (Division), in particular, manages refuse, recycling, and organics services for the unincorporated population, ensuring compliance with state recycling mandates and advancing the County’s long-term goals for resource recovery and landfill diversion. The County remains committed to fostering environmental stewardship and sustainable growth, providing efficient public services that benefit both local residents and the broader Central Valley region. SJCDPW requests technical proposals from qualified recyclable materials processing services firms to undertake, perform, and complete the tasks outlined in the Request for Proposals – SJCDPW-RFP-25-09. The selected Firm will provide processing services for recyclable materials accepted at Lovelace Transfer Station (Lovelace) and transfer services, as needed. The selected Firm will be the highest-ranking Firm that has successfully negotiated the terms for the award of a Recyclable Materials Processing Services Agreement. The selected Firm will be requested to enter into an Agreement with San Joaquin County. All work shall comply with the County Policies and California Public Resources Code § 40200 and California Code of Regulations, Title 14 § 18801.
01/21/2026 12:00 AM UTC
Escalon Area Streets Resurfacing
The work is located near the City of Escalon. The work, in general, consists of repairing and resurfacing approximately 3.5 miles of roadway with asphalt concrete. Base Estimate Range between $1,073,000 and $1,373,000
 01/29/2026 09:31 PM UTC
3 Solicitations

Closed Solicitations

Number Deadline
SJCDPW-RFP-21-B
The San Joaquin County Department of Public Works Community Infrastructure Engineering Division (County) is requesting proposals from consultants to undertake, perform, and complete the tasks set forth in Request for Proposals – SJCDPW-RFP-21-B. The County will select two consultants for the proposed design of Lincoln Village and Colonial Heights Maintenance District Water Main Replacement Project Phase 1 (Project). The highest ranked Consultant will provide design engineering services for the Lincoln Village Maintenance District. The second ranked Consultant will provide design engineering services for the Colonial Heights Maintenance District. Consultants will be requested to enter into consultant services agreement with the County as set forth in this Request for Proposals (RFP). Lincoln Village is a San Joaquin County special district located in an unincorporated area within the City of Stockton. The Project area is from Pershing Avenue to Pacific Avenue, and from Lincoln Road to Douglas Road, and encompasses approximately 25,000 linear feet of water mains. The Lincoln Village water distribution system is interconnected with the City of Stockton water supply system. The proposal shall include scope of work, cost proposals, and schedule. Colonial Heights is a San Joaquin County special district located in an unincorporated area within the City of Stockton. The Project area is from Balboa Avenue to Thornton Road, and from Hammer Lane to Mosher Slough Levee, and encompasses approximately 20,500 linear feet of water mains. The Colonial Heights water distribution system is interconnected with the City of Stockton water supply system. The proposal shall include scope of work, cost proposals, and schedule.
11/05/2021 11:00 PM UTC
SJCDPW-RFP-21-04
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consulting Construction Quality Assurance (CQA) firms to undertake, perform, and complete tasks set forth in the Request for Proposals (SJCDPW-RFP-21-04). In general, the work consists of providing construction administration and project inspection services for the construction of Area 6 at the North County Sanitary Landfill (PROJECT). For Area 6 at North County Landfill, the design will include single-composite liner on native soil over Area 6 and leachate collection equipment. The selected CQA FIRM will prepare a Certification Report for submittal to the appropriate agencies for their review. Acceptance of the PROJECT by those agencies is of the essence in this PROJECT. The selected CQA FIRM will also report to the SJCDPW Resident Engineer for the purpose of assisting the Field Engineering Division in administering the PROJECT. The selected CQA FIRM shall observe, verify and document the PROJECT’s construction activities sufficient for acceptance by the RWQCB (Sacramento office). Estimated CONSULTANT FIRM Service Dates North County Landfill Area 6 (dates are approximate) Materials testing April 2022 Work on site May 2022 Work on-site finished (70 working days) July 2022 Estimated CONSULTANT Services Duration: Through completion of construction, anticipated to be December 2022 Estimated CONSULTANT time on-site: 70 10-hour days A copy of SJCDPW-RFP-21-04 is available to view at the Internet address: https://www.BidExpress.com and https://www.sjgov.org/department/pwk/rfps_and_rfqs All prospective proposers 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. It is imperative that prospective consultant proposers check the solicitation Internet page often for the status of and/or modifications to SJCDPW-RFP-21-04. Alternative arrangements may be made to secure a hard copy of SJCDPW-RFP-21-04 or questions regarding the Request for Qualifications by calling Mr. Nhan Tran at the telephone number (209) 953-7452 or at email address: ntran@sjgov.org.
10/01/2021 11:00 PM UTC
SJCDPW-RFQ-21-02
The San Joaquin Public Works Department, Water Resources Division (Division) is seeking a qualified consultant to support the Eastern San Joaquin Groundwater Authority (GWA), a Joint Powers Authority comprised of 16 Groundwater Sustainability Agencies (GSA) that collaborated to produce the Eastern San Joaquin Groundwater Sustainability Plan (GSP) for this critically overdrafted basin, in the development of a Basin Accounting Framework and an Evaluation of Funding and Financing Alternatives (Framework and Funding Alternatives). A preferred consultant will be selected based on the qualifications statement provided; after which a final scope, schedule and budget will then be negotiated, and an agreement to provide specific anticipated deliverables and services will be executed. It is anticipated that the work would be conducted over one year with an option to renew. The selected consultant shall be required to provide all labor, equipment, tools, and facilities necessary for the completion of the requested services. The Solicitation Schedule is as follows: Request for Proposals Released.. ………..........................Friday, August 27, 2021 Written Questions Submitted by.........................................Thursday, September 10, 2021 Release Response to Written Questions........ …………… Friday, September 17, 2024 Statement of Qualifications Due by 4:00 pm.......................Friday, September 24, 2021 by 4:00 PM Consultant Notification, Selection/Ranking.........................Wednesday, December 8,2021 Notice to Proceed........................................... …………… Monday, January 3, 2022 A copy of SJCDPW-RFQ-21-02 is available to view at the Internet address: https://www.BidExpress.com and https://www.sjgov.org/department/pwk/rfps_and_rfqs All prospective proposers 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. It is imperative that prospective consultant proposers check the solicitation Internet page often for the status of and/or modifications to SJCDPW-RFQ-21-02. Alternative arrangements may be made to secure a hard copy of SJCDPW-RFQ-21-02 or questions regarding the Request for Qualifications by calling Mr. Nhan Tran at the telephone number (209) 953-7452 or at email address: ntran@sjgov.org.
09/24/2021 11:00 PM UTC
Critical Erosion Repair (NA0017_15_LM00.86 / Upper Mormon Slough Erosion Repair Project
The work is located on the right and left banks of the Upper Mormon Slough, downstream of the Escalon-Bellota Road Bridge. The work, in general, consists of removing vegetation and trees, placing rock slope protection and seeding the banks. Base Estimate Range Between $5,387,900 and $6,136,214
 09/23/2021 08:31 PM UTC
SJCDPW-RFP-21-B
BAT /BIRD EXCLUSION AND MONITORING FOR THE WIMER ROAD BRIDGE (29C-303) OVER NORTH BRANCH INDIAN CREEK REPLACEMENT PROJECT (FEDERAL PROJECT NO. BRLO-5929 [235])
08/27/2021 11:00 PM UTC
Brennan Avenue Resurfacing
The work is located partially in the City of Escalon and north of the Escalon City Limits. The work, in general, consists of repairing and resurfacing approximately 3.1 miles of roadway with asphalt concrete. Base Estimate Range Between $1,140,000 and $1,395,000
 08/05/2021 08:31 PM UTC
South 99 Frontage Road (East) Resurfacing
The work is located east of the City of Stockton. The Project, in general, consists of repairing and resurfacing approximately 1.3 miles of existing roadway with asphalt concrete. Base Estimate Range Between $570,000 and $670,000
 08/05/2021 08:31 PM UTC
SJCDPW-RFP-21-A
County of San Joaquin Department of Public Works (County) operates a potable water system that serves approximately 328 service connections to primarily residential customers in the Raymus Village Maintenance District (District) near Manteca, CA. The District obtains all of its drinking water from two wells that are operated by the County. The concentrations of 1,2,3-trichloropropane (TCP) for Well 1 have exceeded the primary maximum contaminant level (MCL) set by the Division of Drinking Water of the State Water Resources Control Board (DDW) and a compliance order has been issued. The proposed water treatment system improvements aim to address these violations and bring the system into compliance.
07/02/2021 11:00 PM UTC
Turner Road Resurfacing
The work is located west of the Lodi City Limits. The work, in general, consists of repairing and resurfacing approximately one mile of roadway with asphalt concrete. Base Estimate Range Between $545,000 and $670,000
 07/01/2021 08:31 PM UTC
SJCDPW-RFQ-21-01
The San Joaquin County Department of Public Works (SJCDPW) requests statements of qualifications from engineering consulting firms to provide transportation engineering support services. The work will be assigned on an as-needed basis and will consist of a range of services, including but not limited to: preparing a scope of work for an assigned project, collecting and analyzing traffic data, preparing draft and final Traffic Impact Studies, and participating in meetings with County staff associated with various development and improvement projects. SJCDPW will select an On-Call List of two (2) to three (3) qualified consulting firms to provide these services. The On-Call List will remain in effect for two years with an option to extend for two (2) periods of one year each. Required services and capabilities to be provided by On-Call consultants include: < California Licensed Traffic Engineer < California Licensed Professional Engineer < Traffic impacts and mitigations, operations, and engineering analyses (quantitative and qualitative) < Site reconnaissance/plan analysis < Preparation of project scope including: project understanding, schedule, and cost < Preparation of Development Traffic Impact Studies per the format specified in the latest revision of the San Joaquin County Traffic Impact Study Guidelines (Exhibit A) < Travel forecasting & traffic counts < Safety and operation recommendations < Vehicle Miles Traveled (VMT) analysis < Development of Fair Share Determinations < Peer review of County prepared Preliminary Plans for: Roundabout geometrics, Traffic Signal Design The deadline for submitting qualifications to SJCDPW will be no later than 4:00 p.m. on Friday, June 18, 2021. 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-21-01 should be closely examined and followed by those consultant firms interested in submitting statements of qualifications. A copy of SJCDPW-RFQ-21-01 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs . 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. 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-21-01 or general questions regarding the Project by calling Mr. Nhan Tran, Management Analyst II, at the telephone number (209) 953-7452.
06/18/2021 11:00 PM UTC
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