Irrigation EngineeringJohn Wiley & sons, Incorporated, 1919 - 640 pages |
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Other editions - View all
Common terms and phrases
acre-feet acre-foot acres alfalfa alkali amount arid regions Arizona Arrowrock Dam artesian average bank basin Boise Boise River Boise Valley bottom California canal capacity capillary cent channel clay coarse Colorado Conconully concrete construction crops Cross-section cubic cubic foot depth diameter discharge ditches drain drainage drilling Elev Engineering evaporation farm flood flow flume furrow gage grade gravel ground water head height humid regions hydraulic hygroscopic Idaho inches irrigation irrigation water land laterals less loam lower main canal masonry material measured meter method miner's inch moisture necessary orifice pipe plant food practice pressure Project pumping quantity of water rainfall reservoir riprap River rock roots salts sand sandy saturated season second-feet seepage sewage silt slope soil soluble Spillway steel storage stream surface tion U. S. Geological Survey Valley valve varies velocity vertical water supply water table weir wheels WIDTSOE
Popular passages
Page 551 - The Contractor shall keep on the work a copy of the drawings and specifications and shall at all times give the Contracting Officer access thereto. Anything mentioned in the specifications and not shown on the drawings, or shown on the drawings and not mentioned in the specifications, shall be of like effect as if shown or mentioned in both.
Page 566 - Any package that is short weight or broken or that contains damaged cement may be rejected, or accepted as a fractional package at the option of the engineer.
Page 547 - If a bidder wishes to withdraw his proposal he may do so before the time fixed for the opening without prejudice to himself, by communicating his purpose in writing to the officer who holds it, and, when reached, it shall be handed to him or his authorized agent, unread.
Page 566 - ... be dry and free from lumps. Each package shall be plainly labeled with the name of the brand and of the manufacturer.
Page 508 - That in addition to the construction charge, every waterright applicant, entryman, or landowner under or upon a reclamation project shall also pay, whenever water service is available for the irrigation of his land, an operation and maintenance charge based upon the total cost of operation and maintenance of 'the project, or each separate unit thereof, and such charge shall be made for each acre-foot of water delivered; but each acre of irrigable land, whether irrigated or not, shall be charged with...
Page 566 - Bidders will state the brand of cement which they propose to furnish. The right is reserved to reject a tender for any brand which has not established itself as a high-grade Portland cement and has not for three years or more given satisfaction in use under climatic or other conditions of exposure of at least equal severity to those of the work proposed.
Page 565 - The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not exceed 4 per cent.
Page 581 - The rivet heads must be of approved hemispherical shape, and of a uniform size for the same size rivets throughout the work. They must be full and neatly finished throughout the work and concentric with the rivet hole.
Page 67 - ... not enter the pan. The device for measuring the evaporation consists of a small brass scale hung in the center of the pan. The graduations are on a series of inclined crossbars so proportioned that the vertical heights are greatly exaggerated, thus permitting a small rise or fall of...
Page 564 - Castings shall be true to pattern, free from blemishes, flaws, or shrinkage cracks. Bearing surfaces shall be solid, and no porosity shall be allowed in positions where the resistance and value of the casting for the purpose intended will be seriously affected thereby.