Wilson Main Lock Culvert Valve Strut Arm Fabrication

SCOPE OF WORK (SUBJECT TO CHANGE): The Corps of Engineers has need of a contract for The Wilson Main Lock Culvert Valve Strut Arm Fabrication consisting of the following: The culvert valve upper strut arms at the main Wilson Lock in Florence, Alabama have become severely corroded. Therefore, the contractor shall provide all necessary labor, material, and equipment to fabricate, assemble, and deliver four new upper strut arms including all necessary pins, bushings, etc. in accordance with the plans and specifications provided. Currently, the strut spindle, spindle nut, outer and inner springs, spindle bushing, and upper bushing have been fabricated and are located at the Tennessee River Operation Center (TROC). The contractor shall transport these items from TROC and bring them back to their shop to assemble the items. The contractor shall fabricate/purchase the intermediate strut end, the upper strut body, the upper strut end, intermediate bushing, intermediate strut pin, upper strut pin, intermediate grease seals, upper grease seals, collar (barrel), and intermediate bearing bushing. The contractor shall submit a detailed bill of materials for the government to approve. The contractor shall assemble the entire upper strut arm assembly as shown on the government drawings, and the contractor shall turn the spindle nut on the spindle where approximately 4” of the spindle threads show beneath the nut. This will simplify installation by project personnel. Finally, the contractor shall deliver the four assembled upper strut arms to Wilson Lock for the project personnel to install themselves. The contractor shall notify Wilson Lock two (2) weeks in advance of delivery.

Division 03 -	Concrete, Precast Concrete.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Utility Drainage Piping, Culverts, Storm Utility Water Drains, Storm Drainage Structures.