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 alarms amount annual applied arbitration Article assessed average bacteria basins basis buildings capita Capital stock carbon cast iron cent charge chemical chlorine circuits cities coagulation coli Commission connection consumption Contract Contractor corrosion cost Deficiency Scale depreciation determined diameter distribution system district considered electrolysis engine capacity equipment feet filtered water filtration fire flow fire protection service furnished gallons goiter high value district hydrant inches inches inches increase installed iodin Item less limits material maximum metal meter method million gallons municipal necessary operation Owner pipe plant points of deficiency pollution population pounds pressure public fire pumping quantity rapid sand filters removal reservoirs sample sand filters sieves slow sand filters soda ash sodium iodide square standard station storage streams surface tests tion turbidity typhoid fever United valves wastes Water Company water supply water tube boilers
Popular passages
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 723 - Owner may, upon ten days' written notice, sell such materials at auction or at private sale and shall account for the net proceeds thereof, after deducting all the costs and expenses that should have been borne by the Contractor.
Page 523 - 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 the}- come to the end of their life.
Page 718 - No certificate issued nor payment made to the Contractor, nor partial or entire use or occupancy of the work by the Owner, shall be an acceptance of any work or materials not in accordance with this contract. The making and acceptance of the final payment shall constitute a waiver of all claims by the Owner, other than those arising from unsettled liens, from faulty work appearing after final payment, or from requirement of the specifications, and of all claims by the Contractor, except those previously...
Page 523 - 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 Opinion of the Court.
Page 719 - 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 720 - Contract for changes in the work. If the Contractor performs any work knowing it to be contrary to such laws, ordinances, rules and regulations, and without such notice to the Architect, he shall bear all costs arising therefrom.
Page 726 - Neither the final payment nor any part of the retained percentage shall become due until the Contractor, if required, shall deliver to the Owner a complete release of all liens arising out of this contract, or receipts in full in lieu thereof and, if required in either case, an affidavit that...
Page 56 - This term is generally used in statistics and is the square root of the mean of the squares of the percentage variations up and down, without regard to sign, of all the years in the record.
Page 724 - ... at which time, if the unpaid balance of the amount to be paid under this contract shall exceed the expense incurred by the Owner...