Y--New Bedford/Fairhaven Hurricane Barrier

The work of this project consists of miscellaneous rehabilitation work on the navigation gates and appurtenances at the New Bedford/Fairhaven Hurricane Barrier. Major work features include installation of stop gates and dewatering of navigation gate pockets, removal and disposal of silt, sand, and debris moderately contaminated with PCBs) from the base of the gates, jacking of the gates to allow gate wheel replacement with six new government furnished wheels, machining of wheel bushings, repairing spalled concrete within the gate pocket, steel repairs to the stop gate guides, abrasive-blasting of steel areas to be painted, spot painting the stop gate guides above the water line, painting the entire steel surface of Horizontal Truss II on the sector gates, painting the exterior of the sector gates skin plate above the drive rack, spot painting the remainder of the sector gates, installing wheel guards and sector gate skirting panels, lubrication of trunnion bearings with government furnished lubricant, replacing timber fenders, and checking of air jets and lubrication lines for the sector gate wheels. Repairs requiring underwater work may include cleaning of stop gate guides, removal of sediment, metal cutting, welding of metal shapes, and inspections. The gate pockets are considered a confined space, although no permit is required, and worker protection procedures shall be implemented by the Contractor.