Design and Operation of Guard Gates

by Charles E. Sweeney, Engineering Hydraulics Inc, United States,
Kenneth Y. C. Yung, Engineering Hydraulics Inc, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Guard gates for hydroelectric intakes and low-level outlets are normally intended for operation only under balanced heads. In the case of failure of regulating gates, the guard gate may have to be closed under large differential heads and flow rates. Possible operation scenarios are presented with conditions that must be considered in design. These are illustrated with the example of the spillway outlet guard gates for the Revelstoke Hydroelectric Project on the Columbia River in British Columbia, Canada.

Subject Headings: Gates (hydraulic) | Hydro power | Water intakes | Regulated flow | Flow rates | Failure analysis | Case studies | Head (fluid mechanics) | North America | Canada | British Columbia

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