Concrete Demolition and Repair, Machinery Replacement, Gate Replacement, Falsework Installation
This work included removal of 6 existing lift gates weighing approximately 220,000 pounds each, remove and replace the operating machinery and machinery houses on 7 piers and installing the new gates each weighing approximately 190,000 pounds. Machinery replacement of existing chain and drive motors with hydraulic lift cylinders and associated piping. One gate bay included major concrete demolition on the gate sill as well as removal of the gate infill concrete. All piers required removal and replacement of seal channels as well as minor concrete repairs.

