Featured Project
Corporate Headquarters
2116 Buchanan Loop
Ferndale, WA 98248
Phone: (360) 671-3936
Fax: (360) 671-8808
WA License No. IMCOGI*215R1
Madison Valley N.W. Diversion & Washington Park Stormwater
Location: Seattle, WA
Owner: City of Seattle
Contract Amount: $12,446,067.00
Owner: City of Seattle
Contract Amount: $12,446,067.00
Engineer:Seattle Public Utilities
Contract Duration: 340 Working Days
Anticipated Completion: Fall 2011
Contract Duration: 340 Working Days
Anticipated Completion: Fall 2011
Project Description:
Phase 2 includes construction of a new storm water conveyance and storage system in the NW section of the Madison Valley basin that will collect and convey storm water to a new storage system in Washington Park.
Designed to greatly reduce the potential for flooding, the new storage system in Washington Park will hold approximately 2.2 million gallons of storm water and will be built partially underground. The major components of this project include a 130' diameter concrete stormwater storage tank and a 2,500 linear foot 48" diameter stormwater conveyance pipeline installed by both open cut and trenchless construction methods through nearby residential neighborhoods. Additional storm water storage will sit above ground in a bermed landscaped area and will only be utilized during extreme storms.
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- Fishermen's Terminal South Wall Reconstruction
- Kettle Falls Wastewater Treatment Plant, 2011
- Madison Valley N.W. Diversion & Washington Park Stormwater
- Maritime Industrial Center Central Seawall Replacement
- Route 2 Culverts & Slide Repair
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