Site work for a water / sewer project in Burien, Washington. Completed plans call for site work for a one-story above grade water / sewer project.

The project consists of the replacement of water main within the City of Burien in the District's service area, replacing existing cast iron pipe of various diameters with pipe installed to District standards. The work is divided into four sections, designated as Schedules A through D. Schedule A includes installation of approximately 452 lineal feet of 8-inch diameter water main, 98 lineal feet of 4-inch ductile iron diameter water main in 19th Ave SW, and 172 lineal feet of 4-inch HDPE water main (via horizontal directional drilling) north of SW 158th St. Schedule B includes installation of approximately 323 lineal feet of 8-inch diameter water main and 94 lineal feet of 4-inch diameter water main in 14th Avenue SW, south of SW 158th St. Schedule C includes installation of approximately 401 lineal feet of 8-inch diameter water main in 25th Ave SW at SW 164th Place. Schedule D includes installation of approximately 222 lineal feet of 4-inch diameter water main in 11th Ave SW, south of SW 166th St. Construction will also include connections to existing mains, replacement of fire hydrants, replacement or reconnection of services, valves, blowoffs, air valves, and other appurtenances, as well as surface restoration including any required asphalt restoration as dictated by City permit requirements. Bidders must have extensive experience in water main installation and replacement projects, having completed at least five main water projects for public agencies with a water system construction cost of at least $150,000 each within the past five years, documented as directed on the Proposal form. Bids must be submitted on the original Proposal form provided and accompanied by a completed Bid Proposal Summary, a copy of Bidder's Employer Liability Certificate, and a bid proposal deposit of not less than 5 percent of the total bid. The engineer's estimate of construction cost is $785,000, not including sales tax. The District reserves the right to reject any and all bids, waive any informality, and to make or withhold the award as deemed in the best interest of the District. The District may also delete portions of the project. Proposals received after the time announced for the bid opening will not be considered.