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. |
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Results 1-5 of 38
Page 7
... towers-- ARIZONA SPILLWAY Tunnel plug Permanent Highway-- cableway ... Adits DAM POWER PLANT 50 ' SPILLWAY TUNNEL Tunnel plug outlets 6-72 " Needle valves , Stoney gate , Canyon wall outlets , 6-84 " Needle valves Trail Adit- COFFERDAM ...
... towers-- ARIZONA SPILLWAY Tunnel plug Permanent Highway-- cableway ... Adits DAM POWER PLANT 50 ' SPILLWAY TUNNEL Tunnel plug outlets 6-72 " Needle valves , Stoney gate , Canyon wall outlets , 6-84 " Needle valves Trail Adit- COFFERDAM ...
Page 9
... tower was erected on the crest of the downstream cofferdam , to supply the air - cooled water for the first stage of cooling . This structure was 150 feet in length , 16 feet in width , and 43 feet in height . The low humidity in the ...
... tower was erected on the crest of the downstream cofferdam , to supply the air - cooled water for the first stage of cooling . This structure was 150 feet in length , 16 feet in width , and 43 feet in height . The low humidity in the ...
Page 10
... tower where the process was repeated . Refrigerated water for the second stage of cooling was provided by an ammonia compression system , similar in most details to the systems used in making ice . The refrig- erated water was cooled by ...
... tower where the process was repeated . Refrigerated water for the second stage of cooling was provided by an ammonia compression system , similar in most details to the systems used in making ice . The refrig- erated water was cooled by ...
Page 12
... towers , located symmetrically with respect to the dam , were constructed on rock benches or shelves excavated in the canyon walls . Each tower consists of an inner barrel with a nominal inside diameter of 29 feet 8 inches , surrounded ...
... towers , located symmetrically with respect to the dam , were constructed on rock benches or shelves excavated in the canyon walls . Each tower consists of an inner barrel with a nominal inside diameter of 29 feet 8 inches , surrounded ...
Page 13
Construction nears completion . Intake towers in the background , October 4 , 1934 . Arizona canyon wall outlet works with four of the six. BOULDER DAM 13.
Construction nears completion . Intake towers in the background , October 4 , 1934 . Arizona canyon wall outlet works with four of the six. BOULDER DAM 13.
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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