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72-inch hollow-jet valves abutment acre-feet allowable approximately assumed auxiliary outlet backfill borrow areas bulkhead capacity channel chute close Colorado completed computed concrete considered consists construction contract contractor crest cubic Description determined discharge diversion downstream drainage drilled elevation embankment equipment excavation feet flood floor flow foot foundation gate chamber gate structure grout head hoist holes horizontal hydraulic inch inlet installed intake structure joints load located loss main outlet material maximum Navajo Dam operations outlet works tunnel percent piezometer pipe placed portion pounds per square pressure reinforcement releases reservoir ring-follower gate River rock second-feet shaft shown on figure specifications spillway spring square inch station steel stilling basin storage stresses Studies supports tests tion tips trashrack unit upper upstream vertical volume walls water surface zone
Page 30 - Standard Specifications for Highway Bridges, published by the American Association of State Highway and Transportation Officials (AASHTO), are applied The AASHTO Specification recognizes two forms of truck loading: the H loading, and the HS loading.
Page 91 - ... potential of Federal water-control projects, principally those proposed by the Bureau of Reclamation. We have performed generally similar work for the Corps of Engineers when requested. In recent years the National Park Service has performed recreation resource planning at water-control projects under a memorandum of agreement between the Bureau of Reclamation and the National Park Service of April 5, 1955. A copy of the agreement is attached. Pertinent portions of the agreement are : 3. The...
Page 51 - Ibs. per square inch, one high pressure air compressor having a capacity of 1,600 cubic feet of free air per minute at a pressure of 125 Ibs. per square inch, and four hydraulic pumps with an accumulator, each developing 5,000 Ibs. per square inch. The erection of the power-house was commenced on June 28, 1922, and is now more than half completed. The plant is to be electrically operated, the current being furnished by three independent...