Home > Washington > Grand%252BCoulee > Columbia Basin Project, Grand Coulee Dam Powerplant Complex, Grand Coulee, Grant County, WA
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Item Title
Columbia Basin Project, Grand Coulee Dam Powerplant Complex, Grand Coulee, Grant County, WA
LocationGrand Coulee Dam Powerplant Complex,
Grand%252BCoulee, WA
Find maps of Grand%252BCoulee, WA
Created/Published
Documentation compiled after 1968.
Notes
Survey number HAER WA-139-B
Collection
Historic American Engineering Record (Library of Congress)
Contents
Photograph caption(s):
View of Left Powerhouse, looking east. The multi-story building to the right contains the main control room for the powerplant complex.
View of Left Powerhouse, looking northeast.
View of Left Powerhouse showing tailrace; directly across the river is Third Powerhouse (see below).
Interior of Left Powerhouse showing generator room, looking east.
Interior of Left Powerhouse showing generator Nos. 1-4. This view is from the catwalk at the level of the overhead crane, looking west.
Interior of Left Powerhouse showing the Whiting (Company's) "Tiger" crane with a capacity of 350 tons, looking west. Note the terrazzo floor below depicting a Francis turbine.
Interior of Left Powerhouse; detail of the terrazzo floor depicting a Francis turbine, looking east.
Interior of Left Powerhouse; detail of the terrazzo floor depicting a Francis turbine, looking east.
Interior of visitor's room at Left Powerhouse, containing terrazzo floor depicting a turbine-generator unit.
Interior hallway at 1250 Gallery, Block 11, which leads from Left Powerhouse to Pump-Generating Plant, looking southwest.
Interior hallway, at 1250 Gallery, showing entrance into Pump-Generating Plant from Left Powerhouse, looking southwest.
View of Right Powerhouse (to the left) and Third Powerhouse, looking west.
Interior of Right Powerhouse, generator room, looking east. The unit in the foreground is turbine-generator No. 11.
Interior of Right Powerhouse, generator room, looking east.
Interior of Right Powerhouse, looking east, showing turbine-generator unit No. 11, which is undergoing repair. This is generator is identical to the other eight units located in the Right Powerhouse: Westinghouse AC generator, 108,000 kva, 13,800 volts, 4,200 amps, 3 phase, 60 cycle, 1220 exciter amps, 250 exciter volts.
Interior of Right Powerhouse, showing control panel for generator No. 10, looking southeast.
Interior of Right Powerhouse, showing control panel for generator No. 10, looking southwest.
Interior of Right Powerhouse, looking northeast, showing shaft from Francis turbine (below) extending to the generator (above). This is unit G-11, a Francis turbine that is identical to the others in the Right Powerhouse: manufactured in 1950 by the Newport News Shipbuilding and Drydock Company, Newport News, Virginia; 165,000 horsepower, 330 ft. head, 120 rpm.
Interior of Right Powerhouse, looking northeast, showing shaft from Francis turbine (below) extending to the generator (above). This is unit G-10.
View of Third Powerhouse, looking north.
View of Third Powerhouse, looking east.
View of Third Powerhouse, looking west.
View of Third Powerhouse, looking west.
Interior of Third Powerhouse, looking north.
Interior of Third Powerhouse, looking south, showing the work on the new stator which is being fabricated by Siemens.
Interior of main control room in building adjacent to the Left Powerhouse.
View of 500,000 volt spreading yard that transfers power from underground cable, from Third Powerhouse, to overhead line; the towers are pipe-type transformer towers. Looking west.
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