Trans Main 1 & 2 Valve Replacement Phase D

Alderwood Water & Wastewater District is requesting sealed bids for the Trans Mains 1 & 2 Valve Replacement Phase D project — replacement of isolation valves and installation of new tees on 30-inch and 36-inch potable water transmission mains at seven locations — with bids due September 3, 2026 at 2:00 p.m. and an optional pre-bid meeting on August 20, 2026 at 10:00 a.m. All work is subject to Washington State prevailing wage rates and a mandatory apprentice utilization requirement of 15% of total labor hours.

The scope spans seven sites within the City of Everett, Snohomish County, and Washington State Department of Transportation right-of-way. Work includes installation of five 30-inch and one 36-inch butterfly valves with appurtenances; removal and replacement of automatic relief valves with manual blow-offs; installation of multiple tees ranging from 30-inch by 6-inch to 36-inch by 24-inch; concrete access vaults; approximately 50 linear feet of 4-inch potable water main; approximately 120 linear feet of 12-inch storm drain with six catch basins; and full roadway and property restoration including temporary traffic control.

The cost estimate ranges from $2.7 million to $3 million. Substantial completion is required by May 15, 2027. All bids must be accompanied by a bid guaranty of not less than 5% of the total bid price in the form of certified check, cashier's check, surety bond, or postal money order. Bids remain binding for 60 calendar days from bid opening. Questions are due August 24, 2026 at 4:00 p.m. to Project Manager Zach Purtill. Identified subcontracting opportunities include earthwork, mechanical work, welding, structural work, paving, and surface restoration. Bid documents are available through Builders Exchange of Washington at www.bxwa.com and the District website at www.awwd.com. Small, minority, and women-owned firms are encouraged to submit bids.