Inglewood Hill Drainage Trunkline and Non-motorized Improvement Project

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Construction Look Ahead

Marshbank Construction will be working on the following the week of 10/10-10/14:

  • Installing hydrants and water services throughout site
  • Sand filter vault installation on 208th Ave NE
  • Installing storm pipe and catch basins on 208th Ave NE


Based on the look ahead schedule, Marshbank will be working on the following the week of 10/17-10/21:

  • Water main testing on connections
  • Paving preparation on 208th Ave NE (paving tentatively scheduled for October 25th)
  • Fiber optic conduit installation on the North side of Inglewood Hill Rd
  • Storm drain units installation


Construction

The City awarded the $4.5M construction contract to Marshbank Construction.  Construction for the project began on July 5, 2016 and is expected to continue through February 2017.  


Project Summary

The project includes the construction of stormwater conveyance, water quality facilities, sidewalks and roadway resurfacing. The goals of this project are to address existing drainage and erosion problems, provide non-motorized improvements on Inglewood Hill Road, and to support stormwater needs of future development projects within the area.

A new sidewalk on the north side of Inglewood Hill Road will be supported by retaining walls and rockeries in some locations and will run from East Lake Sammamish Parkway to 212th Avenue NE.  Stormwater pipe will run on Inglewood Hill Road and outfall to Lake Sammamish.  NE 15th St, 208th Ave NE, 210th Ave NE, 211th Ave NE, and 211th Place NE will also have stormwater pipe installed in the road.  A new stormwater treatment vault will be placed at the intersection of Inglewood Hill Road and 208th Ave NE.

The City has partnered with Sammamish Plateau Water to install new watermain on Inglewood Hill Road from 211th Ave NE to 212th Ave NE. 211th Place NE to the north and south of Inglewood Hill Road and on 212th Ave NE south of Inglewood Hill Road will also be provided a new water main.  

The City was successful in receiving two grants from the King County Flood Control District:

  • King County Flood Reduction Grant in the amount of $250,000, and
  • King County Sub-regional Opportunity Fund in the amount of $851,078

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