O'Sullivan Dam: Constructed 1947-1949 |
From inside the book
Page 5
... ground . It would be ex- pensive to build , requiring many siphons and tunnels of large capacity and would have passed through land not now demanding irrigation but used in periods of favorable rainfall and high grain prices for dry ...
... ground . It would be ex- pensive to build , requiring many siphons and tunnels of large capacity and would have passed through land not now demanding irrigation but used in periods of favorable rainfall and high grain prices for dry ...
Page 9
... ground - water conditions , and the character and extent of overburden materials . Three test pits and one exploratory trench were dug for visual observations of subsurface conditions . In the left third of the dam site area are ...
... ground - water conditions , and the character and extent of overburden materials . Three test pits and one exploratory trench were dug for visual observations of subsurface conditions . In the left third of the dam site area are ...
Page 13
... ground under the dam . The trench was designed with a maximum width of 50 feet and with side slopes of 1-1 / 2 to 1. When foundation conditions became known , the resident engineer prescribed the exact loca- tion and the variation in ...
... ground under the dam . The trench was designed with a maximum width of 50 feet and with side slopes of 1-1 / 2 to 1. When foundation conditions became known , the resident engineer prescribed the exact loca- tion and the variation in ...
Page 14
... ground surface- Cut - off trench Assumed sound rock foundation- -50 Concrete grout cap and grout holes as directed . SECTION IN CREEK CHANNEL 1100 1000 900 800 200.00 190 100 www.i 100 200 SCALE OF FEET Nor WS EL 1052 Roited embankment ...
... ground surface- Cut - off trench Assumed sound rock foundation- -50 Concrete grout cap and grout holes as directed . SECTION IN CREEK CHANNEL 1100 1000 900 800 200.00 190 100 www.i 100 200 SCALE OF FEET Nor WS EL 1052 Roited embankment ...
Page 15
... ground surface Roadway Assumed rock line .5 " crown 1061 Slope ditches from center of cut to drain 6 selected compacted surfacing -Excavation line for rock -12 refill on rock excavation 10 0 10 SCALE OF FEET لبيسيليسيا Concrete grout ...
... ground surface Roadway Assumed rock line .5 " crown 1061 Slope ditches from center of cut to drain 6 selected compacted surfacing -Excavation line for rock -12 refill on rock excavation 10 0 10 SCALE OF FEET لبيسيليسيا Concrete grout ...
Common terms and phrases
acre-feet APPENDIX approximately Assumed rock line Axis of dam axis station backfill basalt borrow area borrow pit bottom Bureau of Reclamation canal cement channel cobbles Columbia Basin project Compact silt concrete construction Crab Creek crossarm cubic feet cubic yards cutoff trench dam embankment discharge Drilling grout holes east Embankment settlement Excavation feet downstream feet per second Figure foundation Frenchman Hills gate chamber Grand Coulee Dam Gravelly sand grout cap high-pressure gate inches inlet irrigation Lake loam loam Sandy located loom miles moisture O'Sullivan Dam Oakum Order for Changes Piezometer placed placement portal Potholes Dam Potholes reservoir Quincy Basin riprap sand and gravel sand Sandy Sandy gravel Sandy loam SCALE OF FEET Sendy settlement installations shaft silt Silty loam Slope Soap Lake sond Sondy spillway steel pipe stilling basin suitable Surface settlement trashrack structure tubing tunnel lining U. S. Bureau upstream valve house zone 1 material
Popular passages
Page 1 - Culee on the Columbia River, about 92 miles, by highway, west of Spokane. The irrigable area of the Columbia Basin project is situated in the Big Bend country of Washington between the Snake and Columbia Rivers. The lands extend northward some 85 miles from the junction of the two rivers at Pasco on the southern edge.
Page 1 - ... The Public Service Electric and Gas Company of New Jersey has contracted with Offshore Power Systems to develop a pair of floating nuclear plants in the Atlantic Ocean, three miles off the New Jersey coast. The ocean here is about 40 feet deep. The plants are protected by an enormous breakwater 300 feet wide at the base and 30 feet wide at the top. The breakwater is designed to withstand winds, waves, and storms of much greater magnitude than have been observed in this location. Together, the...
Page 2 - ... 2,300 acres at the maximum water-surface elevation of 1,570, eliminates the necessity for a very expensive canal along the steep walls of the Grand Coulee and saves the loss of about 47 feet in the elevation of the water surface at the south end of the Coulee. It also allows a more efficient use of water for power development and irrigation by providing storage for water which can be pumped •when the supply in the river is ample, and in turn decreases the amount of power water required for...
Page 1 - ... will operate the dam; yes, sir. COLUMBIA BASIN PROJECT, WASHINGTON PROJECT DATA AUTHORIZATION Initially authorized by section 2, Rivers and Harbors Act of August 30, 1935 (49 Stat. 1028, 1039) ; authorized and reauthorized by Columbia Basin Project Act of March 10, 1943 (57 Stat. 14). LOCATION The project is located in the central part of the State of Washington, with its major feature, the Grand Coulee Dam, situated on the Columbia River approximately 95 miles west of Spokane, Wash. The project...
Page 38 - The slopes of the dam, which are faced, are 1 to 1 on the upstream, and 2 to 1 on the downstream side...
Page 54 - ... 25 Drilling grout holes in stage between depths of 0 foot and 35 feet 50,453.45 lin.