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Portage mountain project spillway and low level outlet works
Portage Mountain Project is located on Peace River in western Canada; construction of project is well advanced; major features included 183 m high earthfill dam, 10 unit, 2,270,000 kw underground powerhouse, low level outlets, and chute spillway; first three units are scheduled to be on line by end of 1968; 15-yr flood of 7650 cms was exceeded by 1965 flood of 8800 cms occurring at most critical phase of cofferdamming; diversion tunnels are being converted to permanent low level outlets for passing compensation water during reservoir filling period and during any subsequent periods of complete powerhouse shutdown.
Portage mountain project spillway and low level outlet works
Portage Mountain Project is located on Peace River in western Canada; construction of project is well advanced; major features included 183 m high earthfill dam, 10 unit, 2,270,000 kw underground powerhouse, low level outlets, and chute spillway; first three units are scheduled to be on line by end of 1968; 15-yr flood of 7650 cms was exceeded by 1965 flood of 8800 cms occurring at most critical phase of cofferdamming; diversion tunnels are being converted to permanent low level outlets for passing compensation water during reservoir filling period and during any subsequent periods of complete powerhouse shutdown.
Portage mountain project spillway and low level outlet works
Int Congress Large Dams
Pratt, H.K. (author)
9th International Congress on Large Dams ; 1967 ; Turkey , Istanbul
1967
21 pages
Conference paper
English
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