Chosen as a fabricator and supplier for the refurbishment of the Intrepid Sea, Air, and Space Museum, J.C. MacElroy furnished and installed the four stair towers and gangways, which provide public access to the various levels of the Intrepid ship.  The towers are constructed of hot-dipped galvanized steel tubing for an industrial look.  Each tower consists of stairs that appear to be floating off the main elevator hoist-way and gangways hinged to the ship.

The biggest tower, Tower 1, was built in two sections, each section weighing approximately 60 tons, and assembled on the pier.  The other three smaller towers, Towers 2, 3, & 4, each weighed approximately 55 tons.  The project used about 400 tons of Grade 50 steel and was completed by June 2008.

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