100238_Walker_Murray_Bid_Plans.pdf

This document is a bid plans file for Washington County, Oregon's 100238 - SW Walker Road/SW Murray Boulevard Intersection Improvements project. The project encompasses comprehensive infrastructure construction and rehabilitation work at the intersection of Walker Road and Murray Boulevard, including the construction of a new bridge on Murray Boulevard over Cedar Mill Creek, deconstruction and reinstallation of the existing Murray Bridge on Walker Road, installation of two box culverts under Walker Road and Far Vista Street for North Johnson Creek, and installation of traffic signals at two key intersections. Additional work includes approximately 2,350 linear feet of widening on Murray Boulevard and approximately 2,450 linear feet of widening on Walker Road, both with new curb and sidewalk installations, construction of gravity retaining walls, and development of a stormwater collection and conveyance system with water quality treatment facilities. The scope further includes installation of approximately 875 linear feet of 42-inch TVWD waterline and approximately 500 linear feet of CWS sanitary sewer, along with grading, drainage, paving, signing, striping, illumination, signal modifications, landscaping, and utility work as specified in the project plans and specifications.

The project cost range is estimated between $20,000,000 and $40,000,000, representing a significant infrastructure investment for the county. The bid plans document serves as the technical foundation for contractor proposals and contains detailed construction drawings and specifications necessary for accurate project estimation and execution. This file functions as essential procurement documentation for qualified bidders preparing their bids in response to the contract opportunity.