[Supplemental]_CAD_Files_-_For_estimating_purposes_only,_not_for_construction.zip

This is a supplemental CAD files document 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 project encompasses comprehensive roadway and infrastructure construction including roadway widening with curbs, gutters, curb ramps, bike lanes, sidewalks, and driveways; new water lines, meters, and utilities; 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; sanitary sewer lateral installation and extension; pavement reconstruction and overlay; bridge construction over Rock Creek; flood overflow channel construction; and landscaping improvements. The competitive sealed bid process requires questions to be submitted by February 20, 2026 at 5:00 pm, with electronic bids due by 1:00 pm on February 25, 2026. A preconstruction conference is mandated within 15 calendar days of the Notice to Proceed. The project operates under a tiered liquidated damages structure with completion deadlines of September 30, 2026 for lighting work, August 31, 2026 for joint utility and conduit work, and October 31, 2027 for all remaining work except seeding and plant establishment, with damages assessed at $500 per day for the first period, $1,500 per day for the second period, and $3,400 per day for the final period.

Bidders must be prequalified by the Oregon Department of Transportation, licensed by the Oregon Construction Contractor's Board, and compliant with prevailing wage requirements under ORS 279C.840. The estimated project cost ranges from $20,000,000 to $50,000,000, with a required 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. Washington County, the City of Hillsboro, and Clean Water Services must be designated as additional insureds on all liability policies. Contractors 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. 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. The contract incorporates five percent retainage provisions with options for cash retainage in an interest-bearing account, surety bonds in lieu of retainage, or eligible bonds and securities, and includes asphalt cement price escalation and de-escalation adjustments. All bid documents are available exclusively through the OpenGov website at no cost.