2024 Water System Improvements, Mercer Island, WA

King County

Owner Reference: 24-22

Bid Date: 11/21/2024 at 02:00pm
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Pre-Bid: 11/12/2024 @ 10:00am

Estimate: $3.7M - $4.3M

Trades: *General Engineering Contractor GEC: Engineering & Infrastructure Building; Opportunities for Subcontractors

Schedule A: 1 new pressure reducing valve station, 20 LF of new 14-inch DI water main, 4,605 LF of new 8-inch DI water main, 50 LF of new 6-inch DI water main, 165 LF of new 4-inch DI water main, 13 fire hydrants, 4 air vacuum release assemblies, 1 blowoff assembly, 89 water services, 5 connections to existing water main, concrete driveway, timber stair replacement, and HMA trench patching. Temporary erosion/water pollution control, temporary traffic control and devices, property restoration and other miscellaneous items will also be necessary to complete the work. Schedule B: 1,460 LF of new 8-inch DI water main, 35 LF of new 6-inch DI water main, 2 fire hydrants, 1 air vacuum release assembly, 13 water services, 4 connections to existing water main, temporary water main, soldier pile retaining wall, and HMA trench patching. Temporary erosion/water pollution control, temporary traffic control and devices, property restoration and other miscellaneous items will also be necessary to complete the work. Schedule C: 325 LF of new 12-inch DI storm main, 165 LF of new 8-inch DI storm main, connections to existing storm main, 12 Type-I catch basins, 2 Type-II catch basins, concrete driveway, and HMA trench patching. 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 portion of the work in Schedule B on SE 42nd St and Holly Ln will be removed from the project or modified if the City is not able to obtain permanent easements. Bonds required. Prevailing wages.

George Fletcher
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Owner: City of Mercer Island WA

Published 10/31/2024 on Construction Bid Source

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