25-55 - Bid - First Hill Booster Pump Station Generator Replacement Project

ADVERTISEMENT FOR BIDS
CITY OF MERCER ISLAND 

Project Title:     First Hill Booster Station Generator Replacement
Bid Number: 25-55
Engineers Estimated Cost: $734,000

Bidders shall submit their bids in PDF format to the Public Works email address at: bids@mercerisland.gov.  Sealed bids will be received, not sent, electronically by the City until 2:00 PM on Thursday, January 29, 2026.  There will be no public bid opening for this project. Bid results will be posted on the City’s web page at: https://www.mercerisland.gov/rfps.

Bidder questions are to be directed to Chris Marks, Utilities Engineer, by email only at chris.marks@mercerisland.gov. The City will receive questions until 12:00 PM on Thursday, January 22, 2026. Questions received after this date will not be answered. All questions and responses will be posted in an addendum by 12:00 PM (noon) Monday, January 26, 2026 to the Builders Exchange site.

Work to be performed under this contract includes, but is not limited to furnishing all labor, equipment, and materials necessary for replacement of an existing generator located in a vault. Work involves removal of a portion of the vault roof, removal of the generator and ancillaries, installation of a new generator and revisions, replacement of generator electrical components such as ATS, conduit, and wiring, installation of a fuel tank, concrete work for generator pad, HVAC fan and ductwork, combustion air piping and insulation, lighting, new concrete air exhaust plenum, appurtenances, and landscaping work. Temporary erosion/water pollution control, temporary traffic control and devices, property restoration and other miscellaneous items will also be necessary to complete the work.

A non-mandatory pre-bid walk-through will be held on Tuesday January 13, 2026, at 10:00 AM. Pacific Standard Time. Walk-through will occur at the pump station, located on the southeast intersection of SE 32nd Street and 74th Ave SE. Street parking is available on both streets. The meeting will discuss the work, bidding forms, and procedures. Contractors are strongly encouraged to visit the site prior to the walk through to gather questions and specific items to review at the meeting. Attendance by bidders, subcontractors, and suppliers is strongly encouraged. A sign-in sheet will be provided. The City, at its sole discretion, may schedule additional pre-bid meeting/walk-through.

The City reserves the right to reject any and all bids and to waive minor irregularities. 

 No major construction work shall occur on N Mercer Way, 62nd Ave, 60th Ave SE, and SE 32nd St. from July 31st, 2026, through August 2nd, 2026. Seafair airshow practices will close the I-90 floating bridge several times on these days, which greatly increases the mid-day traffic volume through N Mercer Way, 62nd Ave, 60th Ave SE, and SE 32nd St.

Plans, specifications, addenda, and bidders list are available on-line through Builders Exchange of Washington, Inc. at http://www.bxwa.com. Click on “Posted Projects”, “Public Works”, “City of Mercer Island”, “Projects Bidding”. Builders Exchange manages the official bidders list. Bidders are encouraged to register in order to receive automatic email notification of future addenda and to be placed on the official bidders list.

Plans and specifications are also available at the City of Mercer Island website https://www.mercerisland.gov/rfps. Addenda may not be available or updated on this website.

A bid deposit in the amount of five percent (5%) of the bid total price must accompany each bid.

The City of Mercer Island, in accordance with Title VI of the Civil Rights Act of 1964, 78 Stat. 252, 42 U.S.C. 2000d to 2000d-4 and Title 49, Code of Federal Regulations, Department of Transportation, Subtitle A, Office of the Secretary, Part 21, Nondiscrimination in Federally-assisted programs of the Department of Transportation issued pursuant to such Act, hereby notifies all bidders that it will affirmatively ensure that in any contract entered into pursuant to this advertisement, disadvantaged business enterprises as defined at 49 CFR Part 23 will be afforded full opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, national origin, or sex in consideration for an award.

Andrea Larson, CMC
City Clerk

Published Website : December 30, 2025