Summary of CAD Files for Century Boulevard Extension Project

This file contains supplemental Computer-Aided Design (CAD) drawings prepared by Washington County, Oregon's Department of Land Use & Transportation for the Century Boulevard Extension project (Project #100343), extending from SE Lois Street to E Main Street. The CAD files are provided for estimating purposes only and are not intended for construction use. The project encompasses comprehensive roadway and infrastructure construction including roadway widening with curbs, gutters, curb ramps, bike lanes, sidewalks, and driveways; installation of new water lines, water meters, utilities, and structures; construction of storm conveyance systems and stormwater treatment facilities; retaining walls; Rectangular Rapid Flashing Beacons and illumination; conduits and junction boxes for future signal interconnect; signing and striping; installation and extension of sanitary sewer laterals; pavement reconstruction and overlay; bridge construction over Rock Creek; flood overflow channel construction; and landscaping improvements. Questions regarding the procurement must be submitted by February 20, 2026 at 5:00 pm, with sealed electronic bids due by 1:00 pm on February 25, 2026. A preconstruction conference is required within 15 calendar days of the Notice to Proceed, and the contract includes three distinct completion periods with liquidated damages ranging from $500 to $3,400 per day.

The project cost is estimated between $20,000,000 and $50,000,000. Bidders must be prequalified by the Oregon Department of Transportation, licensed by the Oregon Construction Contractor's Board, and compliant with prevailing wage requirements. The contract requires submission of a 10 percent bid guaranty, performance and payment bonds, and comprehensive insurance coverage including $2 million per occurrence commercial general liability and $1 million per occurrence commercial automobile liability. Prime contractors must disclose all first-tier subcontractors within two work hours after the bid deadline through the OpenGov Procurement system and track monthly subcontractor payment data using a Certified Business utilization tracking system. All bidders must register diesel nonroad equipment and vehicles exceeding 25 horsepower in The Yard portal to comply with Washington County's Clean Air Construction Standard before bid submission. The contract incorporates retainage provisions allowing contractors to elect cash retainage in an interest-bearing account, a surety bond in lieu of retainage, or eligible bonds and securities, with five percent of the contract price retained until project completion and acceptance. Asphalt cement price escalation and de-escalation adjustments are incorporated into the contract terms. All bid documents are available exclusively through the OpenGov website at no cost, and no pre-bid meeting will be held for this procurement.