Notice is hereby given that sealed bids will be received by the Union Sanitary District in their office located at 5072 Benson Road, Union City, CA 94587-2508, at any time prior to 2:00:00 p.m. local time on November 6, 2025 for furnishing all labor, materials, equipment, and services for the construction of improvements designated as: Thickeners No. 3 and No. 4 Overflow Line Replacement Project (Project No. 800-618).
The project consists of the replacement of the buried overflow pipe from Thickener No. 3 and Thickener No. 4. To accomplish this work, the Contractor shall complete the work items indicated in the Contract Documents, including but not limited to the following:
• Replacement of the buried overflow pipe from Thickener No. 3 and Thickener No. 4, tie in to the 30” Recycle line, and vent installation on Thickener No. 4 overflow standpipe.
• Field verification work as specified in Section 01050-1.0.
• Preparation and submittal of Record Drawings and Record Specifications in electronic format as required in Section 01720.
The successful bidder will have one hundred and twenty-five (125) calendar days to complete the Project from the Notice to Proceed.
The Engineer’s Estimate for this Project is $450,305.
Prebid Conference
A non-mandatory virtual prebid conference call will be held at 1:30 p.m. local time on October 7, 2025.
Instructions on how to join the prebid conference are as follows:
To attend the prebid conference by web browser, use the Zoom link below for video and audio:
https://us02web.zoom.us/j/81008096222?pwd=PPtxiybOy41FL5QUSH2J0iDkkazwyQ.1
To attend the pre-bid conference by phone:
Call: 1-888-788-0099 or 1-877-853-5247
Meeting ID: 810 0809 6222
Participant ID: 704031
Bid Opening
Bids will be publicly opened, examined, and declared on said day and hour, and will be referred to the District Board of Directors for subsequent action. The bid opening will be web casted on the internet starting at 2:30 p.m. local time. Instructions on how to join the bid opening are as follows:
Short Version of Section 00010 for Advertisement
To attend the bid opening by web browser, use the Zoom link below for video and audio:
https://us02web.zoom.us/j/81001367397?pwd=p3qLoJTQcAcTjqDyca0VUbCHgG9QsZ.1
To attend the bid opening by phone:
Call 1-888-788-0099 or 1-877-853-5247
Meeting ID: 810 0136 7397
Participant ID: 824031
A site visit prior to bidding is not mandatory for bidders to be qualified to bid on the project. Prebid photos and videos of the Site of Work as described in the Contract Documents are available to download and view at the hyperlink below:
https://www.unionsanitary.ca.gov/about-us/usd-construction-projects/prebid-photos-and-videos
If bidders wish to attend a voluntary site visit, bidders shall contact the District’s Project Manager, Lauren Russell, at (510) 477- 7609 to schedule a site visit. Bidders shall contact the District’s Project Manager at least 72 business hours in advance. The site visits shall be conducted in the presence of the District’s Project Manager or their designee.
Under California Laws and Regulations, the District shall inform all prime contractors of public works, to the extent feasible of relevant public work requirements as listed in Section 00010 of the Contract Documents.
All bidders shall consider and incorporate measures to ensure compliance with all applicable state and county health orders, including but not limited to Alameda County Health Order No. 20-14a, as may be updated from time to time (County Health Order), and the Construction Project Safety Protocols in Appendix B to the County Health Order.
Unofficial PDF files of the Contract Documents are available for public inspection at the District’s website: https://unionsanitary.ca.gov/about-us/usd-construction-projects/projects-out-to-bid. Official PDF files for the project are described below.
All bidders submitting a bid must purchase and receive a USB memory drive containing the official PDF files of the Contract Documents for the Thickeners No. 3 and No. 4 Overflow Line Replacement Project, Project No. 800-618, from the District. The District will not have paper copies of the Contract Documents available for purchase.
The USB memory drive may be purchased from the District Office for a non-refundable $75 charge, which includes the appropriate State sales tax and UPS Ground shipping costs. Bidders can provide their UPS or FedEx account number for any overnight shipping, but the charge will not be discounted. Bidders may pay for the USB memory drive by sending a check made out to Union Sanitary District, 5072 Benson Road, Union City, California 94587, or by going to our website www.unionsanitary.ca.gov for payment by VISA or MASTERCARD credit card. Bidders who purchased the USB memory drive will be placed on the Planholder list. All submitted bids must be on the Bid Forms included with the purchased USB memory drive of the Contract Documents or subsequent addenda. A bid submitted to the District by a Bidder who has not purchased and received an electronic USB memory drive of Thickeners No. 3 and No. 4 Overflow Line Replacement Project, Project No. 800-618 or submitted on Bid Forms not included in the purchased electronic USB memory drive or subsequent addenda shall be considered non-responsive and shall be rejected by the District.
Each bid must conform and be responsive to the invitation, the Plans and Specifications, and all documents comprising the Contract Documents. Each bid shall be presented under sealed cover and shall be accompanied by a certified check or bidder's bond, made payable to the District, in an amount not less than ten percent (10%) of the bid. The said check or bidder’s bond shall be given as a guarantee that the successful bidder will execute the contract in conformity with the form of agreement contained within the contract documents, and will furnish bonds and insurance policies as specified within ten (10) days after notification of the award of the Contract to the successful bidder.
Cost for work described in each addenda issued during the time of bidding shall be included in the Bid and the addenda shall become a part of the Contract documents.
Bidders shall develop and submit bids at their own expense. The District will not reimburse any costs associated with the development and submittal of any and all Bids.
The District reserves the sole right to reject any and all bids and to waive any informality in a bid.
No bidder may withdraw its bid for a period of ninety (90) days after the date set for the opening thereof.
At the successful Contractor's option, securities may be substituted for the required retention, in accordance with the provisions of Section 22300 of the State of California Public Contract Code.
In accordance with the provisions of California Public Contract Code Section 3300, the District has determined that the Contractor shall possess, as a minimum, a valid Class A License. In accordance with the provisions of California Business and Professions Code Section 7028.15, a bid submitted to the District by a Contractor who is not licensed in accordance with Chapter 9 of the California Business and Professions Code shall be considered non-responsive and shall be rejected by the District.
Questions concerning this project should be directed to:
Union Sanitary District
Attn: Lauren Russell
5072 Benson Road
Union City, CA 94587
Phone: 510-477-7609
By: Manny Fernandez
Secretary of the Board
Union Sanitary District
Date: September 30, 2025
