MacArthur Lock Tainter Valve Machinery Replacement

This project will be a replacement of the mechanical drive system, excluding the motor (prime mover), used to operate the four (4) filling and emptying tainter valves on the MacArthur Lock. The replacement includes, but is notlimited to: strut assembly, strut arm, strut arm shaft, sector gear, counter shaft pinion, counter shaft gear, jack shaft pinion, jack shaft gear, reducer shaft pinion, speed reducer (worm gear), stuffing box, and associated shafts,keys, and bearings. There may also be some electrical wiring upgrades. The larger gears will be manufactured in sectionalized parts and put together at the valves since access to the area is limited.Award will be made to the offeror with the best value to the Government using the trade-off process. Please view all attachments prior to submitting your proposals for a detailed description of the requirement and the procedures for submitting questions and offers.The estimated cost of construction is between $5,000,000 and $10,000,000.The North American Industrial Classification System (NAICS) code is 237990 Other Heavy and Civil Engineering Construction, which has a size standard of $39.5 Million in average annual receipts.Please note that the Government will not be maintaining a list of offerors during the solicitation period.In order for interested contractors to conduct business with the Federal Government, contractors must be registered in the System for Award Management (SAM) prior to submission of proposals. Contractors can access SAM for free at