The Construction of Hoover Dam: Preliminary Investigations, Design of Dam, and Progress of ConstructionU.S. Government Printing Office, 1933 - 120 páginas |
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Palavras e frases frequentes
adits anchor bars Andesitic APPROVED appurtenant Back fill Black Canyon borrow pits BOULDER CANYON PROJECT Boulder City BUREAU OF RECLAMATION CANYON PROJECT HOOVER canyon wall outlet cement cofferdam COLO Colorado River completed concrete lining conduit linings connection construction contracting officer contraction joints contractor conveyor DENVER diameter directed downstream drawings drilled equipment excavation feet Flow Breccia foundation furnished Government gravel grout holes gunite heat of solution highway hoist inches include the cost inner diversion tunnels intake towers INTERIOR BUREAU located materials measured for payment metal needle valves operation paint paragraph 27 penstock tunnels placed plates Portland Cement pound bid power house power plant pressure grouting price shall include PROJECT HOOVER DAM provided in paragraph provisions of paragraph pumps railroad RECLAMATION BOULDER CANYON sand shafts shown specifications spillway spillway tunnels Stoney gate structural steel surface tank temperature thickness tile tunnel plugs unit prices bid valves