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Dewatering Using a Floating Bulkhead Proves Flexible, Reusable and Cost Effective

by Frederick Lux, III, Ayres Associates, Eau Claire, United States,
Eric P. Regner, Ayres Associates, Eau Claire, United States,



Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources

Abstract:

Going beyond a traditional bulkhead dropped in place with a barge crane or crane hoist, a steel floating bulkhead was conceived to dewater powerplant intakes, gated spillway bays or outlet works. It has proven to be an effective means to dewater the operating features of aging hydroelectric projects to perform maintenance or repairs to extend their useful life; especially where the structure had no provision for dewatering. To date, two articulated floating bulkheads have been designed and constructed for use at several dams. This paper describes the use of these floating bulkheads to demonstrate their ease of installation, flexibility and cost effectiveness.

Subject Headings: Coastal protection structures | Bulkheads | Water intakes | Hydro power | Benefit cost ratios | Spillways | Power plants

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