100343_13_Bid_Plans.pdf

This file consists of bid plans for the Century Boulevard Extension project in Washington County, Oregon, a major infrastructure development project spanning from SE Lois Street to E Main Street. The project encompasses comprehensive roadway construction and utilities work, including roadway widening with curbs, gutters, curb ramps, bike lanes, driveways, and sidewalks; new water lines, water meters, utilities, and structures; storm conveyance systems and stormwater treatment facilities; retaining walls; Rectangular Rapid Flashing Beacons and illumination; conduits and junction boxes for future signal interconnection; new signing and striping; sanitary sewer lateral installation and extension; pavement reconstruction and overlay; a bridge over Rock Creek; a flood overflow channel; and landscaping improvements. The project is estimated to cost between $20,000,000 and $50,000,000 and includes all additional and incidental work as specified in the contract documents.

The bid plans document provides the detailed technical specifications and drawings necessary for contractors to prepare accurate proposals for this multi-faceted infrastructure project. As the primary planning document, the bid plans establish the scope of work, engineering standards, and construction requirements that will govern all bidding activity and subsequent contract performance. The plans serve as the foundation for cost estimation and represent the County's engineering vision for the Century Boulevard Extension improvement.