Walker Bridge As-builts Summary

This is a supplemental construction document consisting of as-built drawings for the Walker Bridge Widening project, submitted by Washington County, Oregon for the SW Walker Road/SW Murray Boulevard Intersection Improvements initiative (Project #100238). The as-built documentation provides detailed records of the bridge construction and widening work completed on the Walker Bridge, serving as the final certified record of construction as executed in the field. A mandatory pre-bid meeting is scheduled for January 28, 2026, at 2:00 p.m., with written questions due by January 30, 2026, at 5:00 p.m. Electronic bids must be submitted through the OpenGov Procurement Portal by February 4, 2026, at 1:00 p.m., followed by a public bid opening via Microsoft Teams video conference. The project encompasses completion deadlines of February 14, 2027, for TVWD waterline installation and activation, and August 31, 2028, for all remaining infrastructure work, with liquidated damages assessed at $1,100 and $2,700 per calendar day respectively.

The estimated project cost range is $20,000,000 to $40,000,000, with a required bid guaranty of ten percent of the total bid amount. Contractors must be prequalified by the Oregon Department of Transportation and licensed by the Oregon Construction Contractor's Board. First-tier subcontractors must be disclosed within two work hours after bid closing. All contractors must comply with Washington County's Clean Air Construction Standard and utilize the online B2G certified business utilization tracking system for mandatory monthly subcontractor payment reporting. No specific set-aside designations are noted, allowing for broad participation in the procurement process.