Design, Construction and Testing of Repairs to the Low Level Outlets at Terzaghi Dam

by M. C. Lee, B.C. Hydro, Canada,
W. W. Bell, B.C. Hydro, Canada,
A. de Rham, B.C. Hydro, Canada,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Operation of the low level outlets (LLOs) at Terzaghi Dam in southwestern British Columbia resulted in severe cavitation at operating heads significantly lower than design. Modifications were made to the outlets to extend their operating range. This paper presents key aspects of the design, construction and operation of the modified Terzaghi low level outlets.

Subject Headings: Dams | Distinguished engineers | Geotechnical engineering | Infrastructure construction | Rehabilitation | Cavitation | Hydraulic design | Hydraulic structures | British Columbia | Canada

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