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Total value of Washington construction projects currently in our database:

Commercial Projects (value)
Pre-Bid Phase:$17,157,963,338
Bid Phase:$565,681,370
Civil Projects (value)
Pre-Bid Phase:$1,376,961,322
Bid Phase:$681,342,653

Water and Sewage Piping Project Case Study in Washington

This project information is pulled from our archive of hundreds of thousands of construction projects. Use it to research ideas and potential partners for your own project. Additional examples of water and sewage piping projects in Washington are also available.

Project Overview

Estimated Value:$130,649,000
The cost to build municipal water and wastewater facilities in Washington depends upon the location, project scope, specific components used and current market conditions. If you are looking to size the cost of building a project similar to this one,

Project Location


Project Type

Building Category:Municipal Water and Wastewater Facilities, Water and Sewage Piping
Work Type:New

Project Description:

Water Treatment, Water Piping East Combined Tunnel - Approx 14,050' Of Concrete Segmentally Lined Tunnel With Minimum Inside Dia Of 16'8", Systems Within The Tunnel: 48" & 66" ID Influent Force Main, 27" ID Min Reclaimed Water Pipe, 84" ID Effluent Pipe, Fiber Optic Cable, Backfill Concrte/Grout North Creek Connector - Approx 2,430 LF Of Min 72" ID Microtunneled Influent Sewer, One Access Manhole, Drop Structure North Creek Portal Site - Influent Structure Portal Shaft Approx 74' Deep, 80' Dia With Slurry Diaphragm Walls, 130' Deep, Tremie Slab, Final Concrete Wall Lining; Influent Pump Station Excavation Approx 83' Deep, Twin 84' Dia Cells With Slurry Diaphragm Walls 160' Deep, Tremie Slab Final Concrete Wall Lining; Two Connector Tunnels Approx 40' Long Between The Influent Struct & Pump Station; 12' ID Steel Casings For Force Mains, 12' ID Steel Casing For Influent Connection Treatment Plant Portal Site - Access Portal Approx 40' Deep, Multiple Pipes Approx 143' Long Through The Portal To The End Of Contract Consisting Of: 48" & 66" ID Influent Force Main, 27" Min Steel or Ductile Iron Reclaimed Water Pipe, 84" Effluent Pipe, Backfill To Grade, Connection of Pipes To Existing Plant Sites