Invitation for Bids

HVAC Maintenance and As-Needed-Repairs

Notice Inviting Bids for HVAC Maintenance and As-Needed-Repairs IFB #2021-01(PDF)
HVAC Maintenance and As-Needed-Repairs IFB #2021-01(PDF)
Addendum 1 (PDF)
Addendum 2 (PDF)

Construction of Oakley Park & Ride

Notice Inviting Bids for Construction of Oakley Park & Ride IFB #2020-005 (PDF)
Construction of Oakley Park & Ride IFB #2020-005 (PDF)
Addendum 1 (PDF)
Addendum 2 (PDF)
Addendum 3 (PDF)
Addendum 4 (PDF)
Addendum 5 (PDF)


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.

  • Be Timely. Submit your bid/proposal by the date and time specified. Late bids/proposals will not be accepted.
  • Read the bid/proposal general provisions and special provisions. Each bid/proposal may contain a number of conditions/provisions.
  • Adhere to bid/proposal conditions.
  • Complete and submit all bid/proposal forms. Failure to complete and submit the forms by the due date will result in rejection of the bid/proposal.

Upcoming IFB/RFP Procurement Opportunities

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