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Leesville Floating Bulkhead

Appalachian Power is required to complete a fully open gate test on all four of its spillway gates. A fully open gate causes downstream flooding, and a bulkhead was needed to test the gates without causing downstream flooding. Appalachian Power had a bulkhead system, but it required weeks to install and was very costly. Ayres… Read More »

Appalachian Region Floating Bulkhead

This hydroelectric facility in the Appalachian Region has nine spillway bays with large slide gates. To repair gates, a floating bulkhead was required to dewater each bay. Five spillway bays have a recessed ogee crest, and an extension was required on the bottom caisson to dewater the bays. The far-left bay required custom design of… Read More »