O'Sullivan Dam: Constructed 1947-1949 |
From inside the book
Results 1-5 of 11
Page 2
... portion of which is lined ) , the 1,000 - foot long Bacon siphon , the 1.9 - mile long Bacon tunnel , and about 1 mile of unlined canal , to Trail Lake . At present , the siphon and tunnel are single barrels with a capacity of 6,600 ...
... portion of which is lined ) , the 1,000 - foot long Bacon siphon , the 1.9 - mile long Bacon tunnel , and about 1 mile of unlined canal , to Trail Lake . At present , the siphon and tunnel are single barrels with a capacity of 6,600 ...
Page 7
... portion of an area known as the Quincy Basin . The Quincy Basin is the largest of several structural basins on the project . It is bounded on the east by the gently rising surface of the plateau and on the south by a ridge known as the ...
... portion of an area known as the Quincy Basin . The Quincy Basin is the largest of several structural basins on the project . It is bounded on the east by the gently rising surface of the plateau and on the south by a ridge known as the ...
Page 9
... portion without the necessity of a small separate dam . A dam at this site was estimated to require about two million cubic yards of embank- ment less than one at dam site No. 2 . The foundation conditions , revealed as excavation and ...
... portion without the necessity of a small separate dam . A dam at this site was estimated to require about two million cubic yards of embank- ment less than one at dam site No. 2 . The foundation conditions , revealed as excavation and ...
Page 11
... portions of this area where silts could not be conveniently mixed with them , the sand was wasted or left in place in the pits . The area was investigated by 30 hand - dug test pits , and 27 composite samples were tested in the project ...
... portions of this area where silts could not be conveniently mixed with them , the sand was wasted or left in place in the pits . The area was investigated by 30 hand - dug test pits , and 27 composite samples were tested in the project ...
Page 13
... portion of the roadway which extends across the con- crete spillway crest was designed for use as both a spillway and road . The dam embankment was designed as a zoned - earth fill consisting of three zones . The central impervious zone ...
... portion of the roadway which extends across the con- crete spillway crest was designed for use as both a spillway and road . The dam embankment was designed as a zoned - earth fill consisting of three zones . The central impervious zone ...
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.