116310 - Bridge #671280 Railing Repair

Washington County, Oregon is requesting sealed bids for repair and replacement of damaged bridge railing and deck components on Bridge #671280 at Stringtown Road and Gales Creek Crossing under ITB 2026.095-ITB, with bids due October 21, 2026. Prevailing wage rates under Oregon Revised Statutes apply; contractors must maintain performance bonds, payment bonds, and specified insurance coverage including Commercial General Liability at $1,000,000 per occurrence / $2,000,000 aggregate and Commercial Automobile Liability at $1,000,000 per occurrence.

The scope requires removal of approximately 20 linear feet of damaged concrete rail and deck; protection of existing deck reinforcement; installation of reinforcing steel per ASTM A706 and AASHTO M31; construction of new standard concrete handrail and deck sections per ODOT drawings; temporary work access and containment systems measuring up to 30 by 6 feet; concrete finishing and joint construction; and temporary traffic control and detour signing via NW Springtown Road. All work must comply with Oregon Standard Specifications for Construction 2024 edition and ODOT specifications. Class 3300 General Structural Concrete is specified for deck and rail components, with #4 and #5 reinforcing bars at 12-inch centers.

The contract completion date is March 31, 2027, with a preconstruction conference required within 15 calendar days of Notice to Proceed. Liquidated damages are $600 per calendar day for missed deadlines and $500 per 15-minute increment per lane for lane-closure overages. The County retains the right to withhold up to 5% retainage from progress payments or accept alternative securities. Contractors must complete bid guaranty forms at ten percent of total bid amount and submit first-tier subcontractor disclosures within two work hours after bid closing. Bids are submitted electronically through the OpenGov Procurement website. The contract includes a one-year warranty period for defects following substantial completion.