Water Works PracticeWilliams & Wilkins, 1925 - 790 pages |
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Page 54
... allowance for factors of rainfall and evaporation . Studies in the last fifteen years have developed more advan- tageous methods . The following rules give an idea of the way in which they are carried on . 1. Start with a record or ...
... allowance for factors of rainfall and evaporation . Studies in the last fifteen years have developed more advan- tageous methods . The following rules give an idea of the way in which they are carried on . 1. Start with a record or ...
Page 56
... allowance to be made under this heading for reservoirs in northern New England and New York will be 6 inches in depth over the reservoir area , increasing to 8 inches in the latitude of Philadelphia and to 12 inches more on the south ...
... allowance to be made under this heading for reservoirs in northern New England and New York will be 6 inches in depth over the reservoir area , increasing to 8 inches in the latitude of Philadelphia and to 12 inches more on the south ...
Page 57
... allowances for the ground storage and evaporation , to all the good data from this region . It is thought that they may be also used on the south Atlantic coast and on the western slope of the Alleghanies , but greater variations are to ...
... allowances for the ground storage and evaporation , to all the good data from this region . It is thought that they may be also used on the south Atlantic coast and on the western slope of the Alleghanies , but greater variations are to ...
Page 60
... ALLOWANCE REQUIRED TO MAINTAIN FLOWS STATED PERCENTAGE OF MEAN FLOW AVAIL ABLE IN A 95 PER CENT DRY YEAR New Jersey Upland sources , 1921 , C.V. 0.24 , ground storage 30 days Philadelphia , 1924 , C.V. 0.24 , no ground storage Mass ...
... ALLOWANCE REQUIRED TO MAINTAIN FLOWS STATED PERCENTAGE OF MEAN FLOW AVAIL ABLE IN A 95 PER CENT DRY YEAR New Jersey Upland sources , 1921 , C.V. 0.24 , ground storage 30 days Philadelphia , 1924 , C.V. 0.24 , no ground storage Mass ...
Page 71
... allowance should be made for uncertainty and great weight given to any large floods which have occurred on streams of a similar nature . Maximum flow at peak of flood The expression ( 1 + ( 1 + 2 ) is the ratio of the maximum peak flow ...
... allowance should be made for uncertainty and great weight given to any large floods which have occurred on streams of a similar nature . Maximum flow at peak of flood The expression ( 1 + ( 1 + 2 ) is the ratio of the maximum peak flow ...
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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.