2026 WMI-9th Place South and Vicinity

Lakehaven Water and Sewer District is soliciting sealed bids under Invitation to Bid 26-1729 for the 2026 WMI-9th Place South and Vicinity water main project in King County, Washington, with proposals due November 17, 2026 at 10:00 a.m. Local Time. The district encourages minority-owned, women-owned, and veteran-owned firms to bid, but the source sets no set-aside or preference. Prevailing wage applies, and mandatory apprentice labor hours of no less than 15% are required.

The work covers removal, decommissioning, and replacement of asbestos-cement, polyethylene, galvanized steel, and ductile iron water mains, and installation of 4-inch through 12-inch ductile iron pipe. Related scope includes controlled density fill and polyethylene encasement, valve, service line, and hydrant replacement, blowoff and air release/air vacuum valve assemblies, permitting, survey and staking, material testing, temporary traffic control and water service, erosion prevention, utility potholing, pavement removal and replacement, utility cover adjustments, channelization, and site restoration.

The estimated project cost ranges from $2.5 million to $3.5 million. Each bid must include a bid bond, cashier's check, or certified check payable to the district for at least 5% of the total bid amount, including tax. The awardee must furnish a 100% Public Works Contract Bond. The district pays labor and materials monthly by cash warrant.

Complete digital documents are available through BeaconBid. Paper sets cost $75.00 per set plus $25.00 for handling and postage, and the set fee is nonrefundable. Proposals will be opened and read aloud at the district headquarters, 31627A 1st Avenue South, Federal Way, Washington 98003. The district will award to the lowest qualified, responsive bidder, may reject any or all bids for good cause, may waive minor informalities, and may postpone award for up to forty-five consecutive calendar days from the bid opening date.