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Basic Information

Reference Number

0000405905

Issuing Organization

Union Sanitary District

Owner Organization

Union Sanitary District

Project Type

RFB - Request for Bid (Formal)

Project Number

800-564

Title

Switchboard No. 3 and Motor Control Center No. 25 Replacement Project

Source ID

PU.AG.USA.2531706.C20440201

Details

Location

United States, California, Alameda County

Job Location

5072 Benson Road, Union City, CA 94587

Piggyback Contract

Description

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 January 15th, 2026, for furnishing all labor, materials, equipment, and services for the construction of improvements designated as: Switchboard No. 3 and Motor Control Center No. 25 Replacement Project No.800-564.

The Project consists of electrical power modification and replacement at the Alvardo Wastewater Treatment Plant (Plant). To accomplish the above, Contractor shall complete the following items indicated on the Drawings and Specifications, including but not limited to the following:

Replacement of existing 480V Switchboard No. 3 (SWBD-3) located in the Main Electrical Building (Building No. 78). This work shall include the de-energization of equipment, disconnection of all wiring and network cabling, off-haul and disposal of the existing SWBD-3, modifications to the existing electrical busway duct, assembly and installation of temporary electrical panelboards and cables, installation of the new SWBD-3, re-termination of all wiring and network cabling, re-energization of new SWBD-3 and electrical testing. SWBD-3 and equipment listed in section 01010-4.0 will be furnished by the District.
Replacement of existing 480V Motor Control Center No. 25 (MCC-25) located in the Main Electrical Building. This work shall include the de-energization of equipment, disconnection of all wiring, off-haul and disposal of the existing MCC-25, installation of temporary electrical panelboards and cables, installation of temporary control panels, assembly and installation of the new MCC-25, re-termination of all wiring, reenergization of new MCC-25 and electrical testing. MCC-25 will be furnished by the District.
Re-feed of 480V power from SWBD-3 to MCC No. 30 (MCC-30) located in the Cogeneration Building (Building No. 90). This work shall include the construction of a new underground electrical duct bank, asphalt pavement restoration, installation of aboveground conduits, installation and termination of new wiring, and demolition of existing wiring.

The successful bidder will have Three Hundred (300) calendar days to complete the Project from the Notice to Proceed.

The Engineer’s Estimate for this Project is $1,720,000.

Dates

Publication

12/02/2025 12:20 PM PST

Bid Intent

Not Available

Question Acceptance Deadline

12/22/2025 02:00 PM PST

Questions are submitted online

Closing Date

01/15/2026 02:00 PM PST

Prebid Conference

12/11/2025 11:00 AM PST

Contact Information

Kevin Chun

510-477-7608

kevinch@unionsanitary.ca.gov

Lupita Leon

510-477-7605

lupital@unionsanitary.ca.gov

Johanna Ota

5104777600

johannao@unionsanitary.ca.gov

Buyer Preferences, Guidelines & Requirements

General Requirements

- Contractors License Required

- Insurance Required

Bonding Requirements

- Bid Bond

10 %

- Performance Bond

100 %

- Payment Bond

100 %

Pre-Bidding Events

Event Type

Prebid Conference

Attendance

Recommended

Event date

12/11/2025 11:00 AM PST

Location

Union Sanitary District, 5072 Benson Road, Union City, CA 94587

Event Note

A non-mandatory prebid conference will be held at 11 a.m. local time on December 11th, 2025 located at 5072 Benson Road, Union City, CA 94587-2508. Immediately following the pre-bid conference, a voluntary site visit will be conducted for in-person attendees. While attendance at the pre-bid conference and site visit are not required, all prospective bidders are strongly encouraged to participate.

Instructions for alternative methods 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/84938534552?pwd=51Ur8gfV6VB9x2Luz0vuRO4Hjf53Lg.1

To attend the pre-bid conference by phone:
Call: 1-888-788-0099 or 1-877-853-5247
Meeting ID: 849 3853 4552
Passcode: 840763
Participant ID: #

A site visit prior to bidding is not mandatory for bidders to be deemed qualified to submit a bid for this project. Photos and videos of the Site of Work, as described in the Contract Documents, are available for download and viewing at the hyperlink provided below:

https://www.unionsanitary.ca.gov/about-us/usd-construction-projects/prebid-photos-and-videos

If bidders wish to schedule additional voluntary site visits, they must contact the District’s Project Manager, Kevin Chun, at (510) 477-7608. Requests must be made at least 72 business hours in advance. All site visits must be conducted in the presence of the District’s Project Manager or their designee.
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Bid Submission Process

Bid Submission Type

Physical Bid Submission

Additional Bidding Instructions

To purchase a USB Drive with the Bid Set, please call Union Sanitary District Front Desk (510) 477-7500, or email CIP Project Coordinator johannao@unionsanitary.ca.gov.

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 held in-person at 5072 Benson Road, Union City, CA 94587-2508 and web casted on the internet starting at 2:30 p.m. local time. Instructions for alternative methods to join the bid opening are as follows:

To attend the bid opening by web browser, use the Zoom link below for video and audio:
https://us02web.zoom.us/j/89547186499?pwd=3DwCNbsQq7MY1MSOGDDzCjRQQaG7SR.1

To attend the bid opening by phone:
Call 1-888-788-0099 or 1-877-853-5247
Meeting ID: 895 4718 6499
Passcode: 100581
Participant ID: #

Disclaimer Thank you for your interest in our bid opportunities and we welcome you to submit a response. Please be sure to review and comply with all specifications and requirements.