Bid Notice.pdf
PDF 150 KB Posted
- Solicitation number
- 26115-A
- Issued by
- Contra Costa County, Anaheim City, California
About this file
This is a Bid Notice for an Request for Proposal (RFP) issued by Delta Diablo, a wastewater treatment agency located in Antioch, California (Contra Costa County). Delta Diablo is soliciting proposals from qualified engineering firms to provide consulting services for the DEC Storage Tank Rehabilitation Project, which includes predesign and design services, coating evaluation and recommendations, cathodic protection improvements, and preparation of bidding documents for the rehabilitation of a storage tank at the District's Wastewater Treatment Plant. The invitation number is 26115-A, with a posting date of September 17, 2026. A mandatory pre-bid meeting will be held on September 24, 2026 at 11:00 AM (PDT) at the Delta Diablo Treatment Plant Board Room, located at 2500 Pittsburg-Antioch Highway, Antioch, California 94509. Attendance at the pre-bid meeting is not required, but an online question-and-answer period is available with a deadline of October 1, 2026 at 5:00 PM (PDT). Bid submissions must be submitted electronically through the PlanetBids Vendor Portal and are due by October 6, 2026 at 2:00 PM (PDT). The award will be made on a lump sum basis.
The response format requires electronic submission, and proposals should be directed to Aryan Patel, Junior Engineer, at 925-756-1918 or aryanp@deltadiablo.org. The project is categorized under NAICS codes 221320 (Sewage Treatment Facilities) and 541330 (Engineering Services). No bid bond, payment bond, or performance bond percentages are specified in the notice. The estimated bid value, project duration, and contract start/delivery date are not disclosed in this document. Additional information and bidding documents are available through the PlanetBids Vendor Portal and the vendorline.com website.
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Text version
Delta Diablo
Opportunity Detail
Bid Bond
Pre-Bid Meeting Information
Online Q&A
Contact Information
RFP - Engineering Design Services - DEC Storage Tank Rehabilitation 26115-A
Title RFP - Engineering Design Services - DEC Storage Tank Rehabilitation Invitation # 26115-A
Posting Date 09/17/2026 10:03 AM (PDT) Project Stage Bidding Bid Due Date 10/06/2026 2:00 PM (PDT)
Response Format Electronic
Type RFP (Request for Proposal) Response Types Response File
Type of Award Lump Sum Categories 221320 - Sewage Treatment Facilities
541330 - Engineering Services
Department Engineering Address 2500 Pittsburg-Antioch Hwy
Antioch, California 94509
County Contra Costa
Offer Valid Liquidated Damages Estimated Bid Value Start/Delivery Date
Project Duration
Bid Bond 0.00% Payment Bond 0.00%
Performance Bond 0.00%
Pre-Bid Meeting Yes Meeting Type Onsite
Date & Time 09/24/2026 11:00 AM (PDT) Address Delta Diablo Treatment Plant Board Room, 2500 Pittsburg-Antioch Hwy., Antioch, CA 94509
Attendance Required No
Online Q&A Yes Q&A Deadline 10/01/2026 5:00 PM (PDT)
Contact Info Aryan Patel 925-756-1918 aryanp@deltadiablo.org
Bids to Aryan Patel, Junior Engineer
9/17/26, 6:02 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/72798/bo/bo-detail/146324 1/2
Description
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Scope of Services Delta Diablo is seeking proposals from qualified firms interested in providing Consulting Services for the DEC Storage Tank Rehabilitation Project, as described in this Request for Letter Proposal. Scope includes coating, evaluation and recommendations, cathodic protection improvements, and other miscellaneous improvements. The selected Consultant will perform predesign/design and prepare bidding documents for the rehabilitation of the storage tank at the District’s Wastewater Treatment Plant located in Antioch, CA.
Other Details Notes
Special Notices Local Programs & Policies www.vendorline.com
9/17/26, 6:02 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/72798/bo/bo-detail/146324 2/2 https://vendor.planetbids.com/
File details come from the government source that posted it. Updated .