Dams and Control Works, Volume 2U.S. Government Printing Office, 1938 - Dams A description of representative storage and diversion dams and high-pressure reservoir outlet works constructed by the Bureau of Reclamtion. |
From inside the book
Results 1-5 of 76
Page 15
... head of 295 feet and to close under a head of 60 feet of water . The gates were erected in raised position , to be lowered upon completion of the diversion program . gate with steel frames weighed about 3,000,000 pounds . Where the ...
... head of 295 feet and to close under a head of 60 feet of water . The gates were erected in raised position , to be lowered upon completion of the diversion program . gate with steel frames weighed about 3,000,000 pounds . Where the ...
Page 16
... head of 35 feet . The operating chains for the gates run from the gate around the hoist sprocket to counterweights . The suspended weight of each gate and chain is about 260,000 pounds and of counterweights and chains 215,500 pounds ...
... head of 35 feet . The operating chains for the gates run from the gate around the hoist sprocket to counterweights . The suspended weight of each gate and chain is about 260,000 pounds and of counterweights and chains 215,500 pounds ...
Page 18
... head tower . Two main hoist drums , 13 feet in diameter and 17 feet in length , provide sufficient area to wind the hoist cable in a single layer . A separate drum is provided for the conveying line . The carriage con- veying speed is ...
... head tower . Two main hoist drums , 13 feet in diameter and 17 feet in length , provide sufficient area to wind the hoist cable in a single layer . A separate drum is provided for the conveying line . The carriage con- veying speed is ...
Page 20
... head varying from a minimum of 360 feet to a maximum of 590 feet . The large turbines have a rated output of 115,000 horsepower each at a head of 492.5 feet and will operate at a speed of 180 revolutions per minute . The smaller ...
... head varying from a minimum of 360 feet to a maximum of 590 feet . The large turbines have a rated output of 115,000 horsepower each at a head of 492.5 feet and will operate at a speed of 180 revolutions per minute . The smaller ...
Page 22
... head end carrying a scalping screen . Railway cars delivered the raw material to bunkers , from which it was conveyed by belts to the first tower . Here it was put through the scalping screen to remove the oversize , which was conveyed ...
... head end carrying a scalping screen . Railway cars delivered the raw material to bunkers , from which it was conveyed by belts to the first tower . Here it was put through the scalping screen to remove the oversize , which was conveyed ...
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Common terms and phrases
acre-feet aggregate All-American Canal arch Arrowrock Dam basin borrow pit Boulder Dam bronze BUREAU OF RECLAMATION buttress cableway canal cantilever canyon walls cement centers channel cofferdam construction contraction joints cooling cost crest cubic yards cut-off wall cylinder deflections designed diameter discharge diversion tunnel downstream face drain drainage drilled dumped earth elevation embankment emergency gates Engineering excavation feet long foundation gallery gate chamber Grand Coulee Grand Coulee Dam gravel gravity grout grout holes hoist horizontal hydraulic Imperial Dam Installing and painting irrigation left abutment located lower material maximum miles mixer needle valves operation outlet Owyhee Dam penstock pipe placed pounds per square pressure pump radial reservoir reservoir water right abutment riprap river rock fill roller sand second-feet shaft side slope sluice sluiceway spillway square inch steel storage stresses structure temperature tests thickness tion trashrack trial load upstream face vertical water surface