Long Lake Dam and Main Canal: Technical Record of Design and Construction. Constructed 1946-1951, Columbia Basin Project1955 - Earth dams - 147 pages |
Common terms and phrases
abutment aggregate approximately axis backfill Bacon siphon Bacon tunnel barrel basalt batching plant bedrock borrow area borrow pit bottom bridge cement channel Columbia Basin project Columbia River compacted completed concrete lining concrete placed construction contract contractor Coulee Dam Crab Creek crest cubic feet cubic yards cutoff trench cutoff wall depth discharge downstream dragline drilling Dry Falls dumped east elevation embankment excavation feet long feet per second Figure fill foot foundation gate chamber Grand Coulee Grand Coulee Dam gravel grout hauled impervious inches inspector installation interflow zones invert irrigation jumbo layers lined section located Long Lake Dam Long Lake headworks Main canal maximum miles mixer mixing O'Sullivan Dam operations order for changes outlet portal percent piezometer placement Potholes Potholes reservoir pump reinforcement steel rock sand schedule screed shaft side slopes spillway station steel pipe stockpiles tamping Trail Lake trucks unlined upstream valve water surface water-cement ratio
Popular passages
Page 1 - 1. General. - The Columbia Basin project is located in the central part of the State of Washington (fig. 1) east of the Columbia River. The primary purpose of the project is the ultimate reclamation of 1,
Page 1 - 500 feet wide at the base, and 30 feet wide at the top. The spillway in the center of the dam crest is
Page 2 - River is ample, and, in turn, decreases the amount of power water required for pumping when the river supply is low.
Page 11 - the dam is a moistened and rolled embankment of clay, sand, and gravel with
Page 2 - water for power development and irrigation by providing storage for water which can be pumped when the supply in the
Page 46 - to carry on the full amount of work under contract on the Columbia Basin project.
Page 125 - sections of heavy, heat-treated alloy steel grid segments bolted onto circular side plates.
Page 97 - the contracting officer extended the time for completion of the work by