100690 - SW 205th Avenue - Baseline to Quatama Improvements

Washington County, Oregon, through its Department of Land Use and Transportation, is soliciting sealed bids for a comprehensive roadway and infrastructure improvement project designated as Project 100690, Bid 2026.028-LUT CPS, for SW 205th Avenue improvements extending from Baseline to Quatama. The scope of work encompasses temporary traffic and erosion control measures, extensive earthwork, installation of watermain, sanitary and storm sewer infrastructure, construction of retaining walls, removal of existing bridge #671327 and installation of a new multispan bridge structure, cold plane pavement removal, traffic signal installation and modifications, illumination and interconnect systems, construction of aggregate base and asphalt concrete pavement, concrete curbs, gutters, sidewalks and ramps, permanent signing and striping, permanent seeding and landscaping, and water quality facility construction. Bidders must be prequalified by the Oregon Department of Transportation, licensed by the Oregon Construction Contractor's Board, and classified as resident bidders as defined under Oregon law. The project requires submission of questions by March 13, 2026, with bid responses due electronically through the County's OpenGov Procurement Portal by March 18, 2026, at 1:00 p.m., followed by public bid opening via Microsoft Teams video conference. Bids must be accompanied by a bid guaranty equal to ten percent of the total bid amount, valid for at least thirty calendar days from the date of award, and successful bidders must submit the First-Tier Subcontractors Disclosure Form within two work hours of bid closing. All work specifications comply with the 2024 Oregon Standard Specifications for Construction as modified by special provisions and addenda, and contractors must complete initial road opening to traffic by September 20, 2028 (459 consecutive calendar days from Notice to Proceed), with all work except seeding establishment completed by October 20, 2028, with liquidated damages of $4,000 per calendar day for the initial completion date and $2,700 per calendar day for final completion.

Resident bidders as defined under Oregon law are required, and prevailing wage requirements apply under ORS 279C.840 with rates referenced to the Bureau of Labor and Industries website. Washington County's Clean Air Construction standards mandate registration of diesel nonroad equipment in The Yard portal system and certification of emissions compliance or valid exemptions prior to bid submission. Contractors must participate in the County's online Certified Business utilization tracking system for monitoring subcontractor payments and provide comprehensive insurance coverage with specific limits and additional insured endorsements naming Washington County, the City of Hillsboro, Clean Water Services, and Tualatin Valley Water District. Performance and payment bonds in the amount of the total contract are required within ten calendar days of award notification. The project cost range is estimated between $15,000,000 and $30,000,000, reflecting a major capital investment in transportation and infrastructure improvements. Contractors must coordinate extensively with utility providers including Clean Water Services and Tualatin Valley Water District, implement mandatory preconstruction conferences, submit detailed construction schedules and traffic control plans, comply with comprehensive erosion and sediment control measures, and fulfill a two-year landscape establishment period for all plantings, with no pre-bid meeting scheduled for this opportunity.