CONCORD, Mass. – Sector gate painting and steel repairs to the New Bedford Hurricane Barrier in New Bedford and Fairhaven, Mass., will be conducted under the terms of a $580,124.00 contract recently issued by the U.S. Army Corps of Engineers, New England District. Work will be accomplished by ACK Marine & General Contracting LLC, of Quincy, Mass. The contract was awarded on Aug. 31, 2018. Once a notice to proceed is issued construction will be authorized to start.
The work consists of: cleaning the corrosion from the leading edge of the steel skin plate on both sector gates above the waterline and providing an application of a new coal tar epoxy paint system onto the cleaned areas; removal of existing painted steel components above the water line on each sector gate and replacement of these components with new identical steel components manufactured offsite with a galvanized finish. These components include ladders, railings around the platform, the standing platforms, and two nearby support beams.
Work includes installation of a new fall protection safety system consisting of a davit arm with a self-retracting lifeline for the ladders identified. The davit arm system will be removable and adjustable so that it can be stored in the nearby compressor buildings. Work includes removal of the existing coating (a rubber material) currently present in the recessed tops of each pin along the drive rack at the top of the skin plate of each sector gate, and application of a new sealer to the recessed tops of the pins, after application of paint.
Work also includes removal, using abrasive blasting techniques, of the existing coal tar epoxy present on the entire drive rack except for the pins themselves. This will include all areas of the pin recesses in the drive rack except for the pins. It will include application of a new coal tar epoxy paint system onto the drive rack surfaces, and application of new grease onto the drive pins. It also will include removal, using abrasive blasting techniques, of the existing coal tar epoxy on the leading edge of the skin plates, and application of a new coal tar epoxy paint system onto the leading edge of the skin plates.
The project will be managed by the Corps under the supervision of a Corps’ Quality Assurance Representative to assure compliance with contract requirements. For details on the barrier visit:
A map is available at: http://www.nae.usace.army.mil/Missions/Navigation/Massachusetts-Projects/.
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