[Supplemental]_CAD_files_-_For_Bidding_purposes_only,_not_for_construction.zip

This file is supplemental Computer-Aided Design (CAD) files provided for bidding purposes by Washington County, Oregon Department of Land Use & Transportation for Project 100315, a comprehensive roadway improvement initiative on NW Walker Road between NW 185th Avenue and NW 173rd Avenue. The project scope includes constructing a 5-lane roadway section with curbs, sidewalks, and illumination; widening and improving intersections; constructing retaining walls and sound walls; installing a piped stormwater conveyance system with water quality treatment and detention facilities; implementing signing and striping; installing illumination and traffic signals; constructing waterlines for both the City of Beaverton and Tualatin Valley Water District; and performing additional incidental work. The bid documents comprise 224 line items organized across three schedules: Schedule A (primary roadwork with 168 items), Schedule B (City of Beaverton waterline with 44 items), and Schedule C (Tualatin Valley Water District waterline with 8 items). The question submission deadline is March 20, 2026, at 5:00 p.m., with electronic bid submissions due March 25, 2026, at 1:00 p.m. A bid guaranty equal to ten percent of the total bid amount is required. Project completion deadlines include in-water work completion by September 30, 2026, and all remaining work except plant establishment by June 30, 2028, with liquidated damages of $800 per calendar day for the first deadline and $2,700 per calendar day for the second deadline.

Bidders must be prequalified by the Oregon Department of Transportation, licensed by the Oregon Construction Contractor's Board, and Oregon residents as defined in ORS 279C.365. The estimated project cost range is $10,000,000 to $30,000,000, with the contract awarded to the lowest acceptable bidder. The project is partially funded through federal WIFIA (Water Infrastructure Finance and Innovation Act) funds and is subject to prevailing wage requirements under ORS 279C.840, Clean Air Construction compliance, and federal Buy America provisions. Contractors must maintain workers' compensation and employer's liability insurance with minimum combined single limits of $2,000,000 per occurrence and $5,000,000 annual aggregate. Bidders must submit a First-Tier Subcontractors Disclosure Form within two work hours after the bid deadline through the OpenGov Procurement system. Utility coordination is required with multiple providers including Northwest Natural Gas, Portland General Electric, Comcast, Lumen, Verizon, Ziply, and Tualatin Valley Water District, with anticipated relocation durations ranging from two weeks to six months. A one-year warranty period is required for all work performed, and monthly subcontractor payment reporting is mandated through the B2G Now system for certified business utilization tracking.