Water Works PracticeWilliams & Wilkins, 1925 - 790 pages |
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Page 56
... inches in depth over the reservoir area , increasing to 8 inches in the latitude of Philadelphia and to 12 inches more on the south Atlantic slope . No data are available for midwest and western reservoirs under this heading , but in ...
... inches in depth over the reservoir area , increasing to 8 inches in the latitude of Philadelphia and to 12 inches more on the south Atlantic slope . No data are available for midwest and western reservoirs under this heading , but in ...
Page 101
... inches in size . If the effective size of the particles is less than 5 mm . , as in all ordinary sands and many gravels , the actual velocity has been found to be approximately proportioned to the hydraulic slope . Velocities through ...
... inches in size . If the effective size of the particles is less than 5 mm . , as in all ordinary sands and many gravels , the actual velocity has been found to be approximately proportioned to the hydraulic slope . Velocities through ...
Page 196
... inches in diameter and in large basins at least 16 to 24 inches . Grit chambers . Where the water supply contains a considerable amount of sand and other coarse suspended solids of rapid - sub- siding value it has been found ...
... inches in diameter and in large basins at least 16 to 24 inches . Grit chambers . Where the water supply contains a considerable amount of sand and other coarse suspended solids of rapid - sub- siding value it has been found ...
Page 209
... inch mesh screen on the top , with total depth from 12 to 20 inches . For supplying wash water to the under - side of the gravel all designs until lately have proceeded upon the principle that uniform distribution implied discharge ...
... inch mesh screen on the top , with total depth from 12 to 20 inches . For supplying wash water to the under - side of the gravel all designs until lately have proceeded upon the principle that uniform distribution implied discharge ...
Page 211
... inches , with 20 to 24 inches as a fair average of modern practice . An empiric rule is that the freeboard in inches closely approximates the wash rate in vertical inches per minute . Wash trough or gutters . These are made of steel ...
... inches , with 20 to 24 inches as a fair average of modern practice . An empiric rule is that the freeboard in inches closely approximates the wash rate in vertical inches per minute . Wash trough or gutters . These are made of steel ...
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Common terms and phrases
aeration amount annual applied assessed average bacteria basins Board buildings capita Capital stock carbon cast iron cent charge chemical chlorine cities coagulation coli Commission connection consumption Contractor corrosion cost Deficiency Scale depreciation determined diameter distribution system effect efficiency electrolysis engine equipment feet filter capacity filtered water filtration fire flow fire protection service gallons goiter hose hydrant inches inches inches increase installed iodin Item less lime limits material maximum metal meter method million gallons municipal necessary operation organisms oxygen pipe plant pollution pounds pressure public fire pumping purification quantity rapid sand filters records removal reservoirs revenue RPI RPI sample sand filters sanitary sieves slow sand filters soda ash sodium iodide square standard streams structures surface tests tion tube boilers turbidity typhoid fever United usually valves wastes Water Company water supply water tube boilers watershed
Popular passages
Page 521 - Before coming to the question of profit at all the company is entitled to earn a sufficient sum annually to provide not only for current repairs but for making good the depreciation and replacing the parts of the property when they come to the end of their life.
Page 45 - He has the right to have it come to him in its natural state, in flow, quantity and quality, and to go from him without obstruction; upon the same principle that he is entitled to the support of his neighbour's soil for his own in its natural state. His right in no way depends upon prescription, or the presumed grant of his neighbour.
Page 654 - F. immediately before it is dipped, and shall possess not less than this temperature at the time it is put in the vat. The ovens in which the pipes are heated shall be so arranged that all portions of the pipe shall be heated to an even temperature. Each casting shall remain in the bath at least five minutes. The varnish shall be heated to a temperature of 300° F.
Page xx - e might require, 'E went an' took — the same as me! The market-girls an' fishermen, The shepherds an' the sailors, too, They 'eard old songs turn up again, But kep' it quiet — same as you! They knew 'e stole; 'e knew they knowed. They didn't tell, nor make a fuss, But winked at 'Omer down the road, An' 'e winked back — the same as us!
Page 722 - ... at which time, if the unpaid balance of the amount to be paid under this contract shall exceed the expense incurred by the Owner...
Page 18 - Interstate quarantine service: For cooperation with State and municipal health authorities in the prevention of the spread of contagious and infectious diseases in interstate traffic, $25,000.
Page 32 - Water is a necessity of life, and one who undertakes to trade in it and supply customers stands in no different position to those with whom he deals than does a dealer in foodstuffs. He is bound to use reasonable care that whatever is supplied for food or drink shall be ordinarily and reasonably pure and wholesome.
Page 522 - The Company is not bound to see its property gradually waste, without making provision out of earnings for its replacement. It is entitled to see that from earnings the value of the property invested is kept unimpaired, so that at the end of any given term of years the original investment remains as it was at the beginning.
Page 717 - Contractor fail to sign the General Conditions, Drawings or Specifications, the Architect shall identify them. The Contract Documents are complementary, and what is called for by any one shall be as binding as if called for by all. The intention of the documents is to include all labor and materials, equipment and transportation necessary for the proper execution of the work.
Page 714 - FOUNTAINS 1. All types of drinking fountains with vertical jets are to be condemned. 2. Most types of drinking fountains with slanting jets are to be condemned. 3. To be sanitary, drinking fountains should conform to the following specifications: a. The jets shall be slanting.