Dams and Control WorksU.S. Government Printing Office, 1929 - Dams |
From inside the book
Results 1-5 of 78
Page 1
... surface of the river about 10 feet . The width at the base , exclusive of talus , is 166 feet . The structure is traversed longi- tudinally by three concrete walls extending from the top of the dam to well below the river bed , these ...
... surface of the river about 10 feet . The width at the base , exclusive of talus , is 166 feet . The structure is traversed longi- tudinally by three concrete walls extending from the top of the dam to well below the river bed , these ...
Page 2
... 190 -170 150 145 No.9 3500 4000 4500 5000 Gravel and Sand Concrete 141.0'Elev . Low Water 1904 Elev - 138.0 Apron Elev . 131.0 ' reten Large Rubble Blocks Slope 2-1 150 of the wall was 3 feet above the water surface. 2 DAMS AND CONTROL ...
... 190 -170 150 145 No.9 3500 4000 4500 5000 Gravel and Sand Concrete 141.0'Elev . Low Water 1904 Elev - 138.0 Apron Elev . 131.0 ' reten Large Rubble Blocks Slope 2-1 150 of the wall was 3 feet above the water surface. 2 DAMS AND CONTROL ...
Page 5
... surface in the river at the toe of the dam in a period of three years . Consequently a direct drop of the water off the apron or talus at the 7939-29-2 toe of the dam resulted , and since the dam is con- structed on a sand foundation ...
... surface in the river at the toe of the dam in a period of three years . Consequently a direct drop of the water off the apron or talus at the 7939-29-2 toe of the dam resulted , and since the dam is con- structed on a sand foundation ...
Page 8
... surface in flood is no greater than during opera- tion for maximum requirements in low water . The problem which was met by this construction was that of raising the headwater a sufficient height to furnish the required flow in the ...
... surface in flood is no greater than during opera- tion for maximum requirements in low water . The problem which was met by this construction was that of raising the headwater a sufficient height to furnish the required flow in the ...
Page 15
... surface 90.5 feet above low - water stage , to a surface elevation of 2,497 , the maximum elevation permissible because of the location of a branch of the Oregon Short Line Railroad along the south bank of the river above the dam . This ...
... surface 90.5 feet above low - water stage , to a surface elevation of 2,497 , the maximum elevation permissible because of the location of a branch of the Oregon Short Line Railroad along the south bank of the river above the dam . This ...
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Common terms and phrases
American Falls Dam arch Arrowrock Arrowrock Dam back fill balanced needle valves bars Boise project borrow pits built Bureau of Reclamation buttresses canyon cement cent channel clay cobbles cofferdams completed conduit construction contracting officer contraction joints contractor core wall cost Creek crest crete cubic yards cut-off trench depth discharge downstream face drainage drains drawings drilled earth elevation embankment emergency gate engineer excavation fault zone foundation furnished Government gravel grout holes hauling hoist Illus included installed irrigation located material maximum ment metal miles North Platte project operation Owyhee Dam paint paragraph Pathfinder Dam penstock pipe pits placed plant portion pressure grouting railroad reservoir riprap river roller sand schedule second-feet shaft shown side slope sluice sluiceway solid rock specifications spillway storage stream bed structure suitable surface thickness timbering tion tracting officer Trash Rack unit prices bid upstream face vertical Weber River