+ Pipe was approximately 3,850 lineal feet of new 48″ welded steel
+ Pipe is part of overall Willamette Water Supply Program new 30 miles of pipe from Wilsonville to Hillsboro
+ Project was a coordinated effort between a private developer for the South Hillsboro Master Planned Community and the Willamette Water Supply Program
Two sections of the Willamette Water Supply Program pipeline at Reed’s Crossing were installed in coordination with improvements being made to Cornelius Pass Road. A portion of the pipeline was placed under the Cornelius Pass/TV Highway intersection in coordination with the improvements being made to the Cornelius Pass/TV Highway Intersection project. Another portion of the pipeline was placed in the future Cornelius Pass Road extension, south of TV Highway. The pipeline consists of over 3,850 lineal feet of 48” welded steel pipe including valves, turn-outs and connections.
Two sections of existing storm drain were updated. A twin section of 48″ RCP was installed along 231st Avenue at Century Drive. The second section was the extension of Cherry Street to Ray Circle. This connection included a bottomless box across an existing creek. Work required the installation of a sheet pile wall to protect the existing creekbed. A three-sided box culvert was placed over the existing creekbed. Upon completion of the box culvert, Cherry Street was extended to connect to Ray Circle.
+ Install approximately 1,000 lineal feet of new 24″-42″ RCP
+ Excavate approximately 4,000 cy for new creek crossing
+ Install 1,300 sf of sheet pile wall and 80 lf of new three-sided box culvert
+ Excavation and embankment of 250,000 bcy
+ 3,000 feet of new 8″ and 12″ sanitary sewer
+ 17,000 feet of storm sewer mainline
+ 9,000 feet of new waterline
+ 30,000 tons of base rock
+ 7,500 tons of asphalt
Work included installation of new santiary sewer, storm sewer and waterline for new 200 lot subdivision located at the former Scouters Mountain in Happy Valley, Oregon. Quantities included 3,000 feet of new 8″ and 12″ sanitary sewer, 17,000 feet of storm sewer mainline, and 9,000 feet of new waterline, including all connections, services, detention and treatment systems.
+ Excavtion and embankment of 2,500 bcy
+ 300 feet of structural arch plate culvert with CDF backfill
+ Sheet pile headwalls
+ Stream restoration for fish passage
We are passionate about what we do every day. Our five Core Values are the cornerstone which we refer to as “The Kerr Way”. These Core Values provide, without question, the standards by which we conduct ourselves.