The "ABSTRACT OF OFFERS - CONSTRUCTION" document details the bid opening for Solicitation No. W912DW26BA002, titled "MMD Steel Liner Repair" and designated as a Small Business Set Aside. Issued on October 20, 2025, and opened on November 19, 2025, by the Department of the Army, Corps of Engineers, Seattle District, the project received one amendment. The government estimate for the total base items was $1,700,400.00. Six companies submitted offers, all acknowledging the amendment and identified as small businesses with 20% bid bonds, except for REAGENT WORLD, INC., which did not have a bid bond. AMERICAN MINE SERVICES, LLC, submitted the apparent low bid at $1,143,312.85, followed by CONSTRUCTION SOLUTIONS GROUP, LLC, at $1,239,000.00, and NORTHBANK CIVIL AND MARINE, INC., at $1,975,000.00. The document provides a breakdown of each offer against the estimated costs for site preparation, steel liner repair, procurement, installation, and as-built drawings.
This Statement of Work outlines the restoration of the steel liner at the Mud Mountain Dam 9’ tunnel inlet. The project requires the contractor to provide all necessary resources and labor to restore the steel liner from the bellmouth to the steel transition ramp, adhering to all applicable codes, regulations, and industry standards. The tunnel will be closed from July 20 to September 30, 2026, during which all construction activities must be completed. Key responsibilities include constant dewatering of the tunnel, cleaning out river sediment (estimated at 25 cubic yards), installing lighting and ventilation systems, removing existing patching plates, filling damaged holes with epoxy, installing new steel plates over existing ones, welding joints, and injecting epoxy grout to fill voids. The contractor must also plan for emergency demobilization in case of high river flows. The government will handle upstream and downstream stoplog placement, while the contractor is responsible for all other work and maintaining a dry environment.