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REGISTRO ITALIANO DIGHE

Ufficio Periferico di Cagliari

versione italiana


 

Grand Coulee Dam

 

 

Country

USA (Washington)

River

Columbia

Reservoir

Franklin D. Roosevelt Lake

Dam type

Concrete gravity

Construction period

1933-1942

Structural height

168 m

Gross storage capacity

11,740 Mm

Active storage capacity

6,439 Mm

Volume of the dam

9,144,000 m

Maximum controllable water surface

393.19 m a.s.l.

Maximum water surface

402,88 m a.s.l.

Crest elevation

399.62 m a.s.l.

Top of parapet elevation

400.68 m a.s.l.

Crest length

1,592 m

Maximum discharge capacity

Spillway: 28,320 m/s;

Outlet works: 5,430 m/s;

Power plant: 7,930 m/s.

Nameplate capacity of the powerplant

6,809 MW

Notes

Grand Coulee Dam is one of the largest concrete structures ever built

 

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Ultimo aggiornamento: 4 agosto 2005