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Procurement

Tri Delta Transit is always interested in forging new partnerships with businesses to help provide better public transportation services to the residents of Eastern Contra Costa County.

The following is a partial list of commodities purchased by Tri Delta Transit through informal purchase:

  • Shop supplies (nuts, bolts, wire,wire connectors, tape, batteries, light bulbs, zip ties)
  • Personal protection gear (gloves, dust masks, safety glasses, safety vests, ear plugs)
  • Bus stop repair supplies (poles, brackets, signs, concrete, plexiglass, trash cans)
  • Bus parts (brake parts, coolant, oil, parts cleaner)
  • Janitorial supplies (toilet paper, paper towels, hand soap, garbage bags, air fresheners)
  • Detail supplies (soap for bus wash, vandalism remover, glass cleaner, brooms, brushes, mops)
  • Bus fuel (diesel, unleaded, renewable diesel)
  • Office supplies (pens, printer paper, etc)
  • Food catering
  • Gifts/promotional items

The following is a partial list of typical recurring formal bids:

  • Uniforms
  • Advertising
  • Schedule printing
  • HVAC maintenance
  • Shop equipment maintenance
  • Operations
  • Financial auditor

ECCTA allows for bid/proposal submission through BidExpress. Vendors must register with BidExpress before participating at www.bidexpress.com. Registration for ECCTA solicitations is free.

We also encourage businesses to sign up for our free Email/Text Alerts to receive notification of upcoming Invitation for Bids and Request for Proposals.

Vendor Form

Email/Text Alert Sign-Up

How to submit a bid/proposal

Each formal solicitation package includes the due date, time, and any additional information for your submittal, including the date and time bids will be publicly opened, if applicable. Formal bids are generally opened publicly at Tri Delta Transit’s administrative office, 801 Wilbur Avenue, Antioch, CA 94509. Staff announces the names of firms and the submitted bids.

If no bids/proposals are listed, then there are none open at this time.

Current open bid/proposals

RFP for Transit Operations 2025-03

Deadline: November 17, 2025 untill 5:00 pm

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Eastern Contra Costa Transit Authority (ECCTA), a Joint Powers Agency (JPA) located in eastern Contra Costa County, California, is accepting proposals from qualified firms to handle the operation of its mobility services (including fixed route, paratransit, microtransit, and non-emergency medical transportation) for a four-year period, including three two-year options. ECCTA will provide all vehicles and operations facilities. This project shall include the furnishing of all labor, equipment, materials, testing, tools, training, and other services as required by the Scope of Work section and other contract documents.

Pre-Proposal Conference

A pre-proposal conference will be held remotely, via Teams, at 10:00 a.m. local time, on Tuesday, October 14. All prospective proposers are encouraged to attend. Registration will be required prior to joining the conference and can be done by following the link:

ECCTA Pre-Proposal Conference – Microsoft Teams

Deadline for Receipt of Proposals

Proposals will be received by Eastern Contra Costa Transit Authority (ECCTA) until 5:00 p.m. local time, on Monday, November 17. Proposals may be submitted either via Bid Express or via mail to ECCTA’s facility located at 801 Wilbur Avenue, Antioch, CA 94509. Proposals received after the said time or at any other place other than the time and place stated in this RFP will not be considered. Proposals must be received on the enclosed ECCTA proposal form with the required certification forms listed in the proposal documents. Proposals submitted on any other forms will be considered non-responsive and will be rejected.

Proposal Documents/ECCTA Representative

Copies of the RFP documents may be obtained from the following ECCTA representative:

Joe Chappelle
Manager of Administrative Services
Eastern Contra Costa Transit Authority
801 Wilbur Avenue
Antioch, CA 94509
Fax: (925) 757-2530
procurement@eccta.org

Copies of the RFP documents may be obtained and submitted by visiting the following link: https://www.bidexpress.com/businesses/72695/home. New users to the Bid Express portal will be required to complete a free registration before receiving access to the RFP documents.

ECCTA may change the identity or contact information of the ECCTA representative at any time through the issuance of an addendum.

Following the closure of the proposal submittal period, ECCTA intends to procure the highest quality service possible for the best value possible.

All proposals must be furnished in accordance with the terms and conditions of the contract documents, including the Information for Proposers, General Conditions, Special Conditions, Scope of Work, and Proposal Form. All prospective proposers receiving proposal documents directly from ECCTA will be notified of all addenda and will receive copies.

download this documentTransit_Operations_2025-03

BID Due Date: November 17, 2025 5:00 pm