Water Works PracticeWilliams & Wilkins, 1925 - 790 pages |
From inside the book
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Page 26
... average number of B. coli in the water delivered to the filter plant was higher than about 500 per 100 cc . or if in 0.1 cc . samples B. coli were found 50 per cent of the time . It is to be borne in mind that this suggested B. coli ...
... average number of B. coli in the water delivered to the filter plant was higher than about 500 per 100 cc . or if in 0.1 cc . samples B. coli were found 50 per cent of the time . It is to be borne in mind that this suggested B. coli ...
Page 50
... average flow , and as stream gaugings on a wide scale are not usually available , the average flow is estimated from the average long period rainfall , which in general can be fairly accurately deter- mined and the loss by evaporation ...
... average flow , and as stream gaugings on a wide scale are not usually available , the average flow is estimated from the average long period rainfall , which in general can be fairly accurately deter- mined and the loss by evaporation ...
Page 56
... average evaporation from the water surface of the reservoir . This is an alternate method applicable to western conditions and should not be used on the Atlantic coast where the average rainfall is more than the evaporation from water ...
... average evaporation from the water surface of the reservoir . This is an alternate method applicable to western conditions and should not be used on the Atlantic coast where the average rainfall is more than the evaporation from water ...
Page 64
... average intensity of rainfall , the average conditions as to the amount of snow which is held on the drainage area , the size of ponds , lakes and swamps on the area , and to many other conditions which are peculiar to the stream ...
... average intensity of rainfall , the average conditions as to the amount of snow which is held on the drainage area , the size of ponds , lakes and swamps on the area , and to many other conditions which are peculiar to the stream ...
Page 65
... average year . The expression ( 1 + 0.8 log T ) represents the ratio which the greatest flood in a period of years is to the average yearly flood . It is a factor of safety to provide for the chance of the extraordinary flood occurring ...
... average year . The expression ( 1 + 0.8 log T ) represents the ratio which the greatest flood in a period of years is to the average yearly flood . It is a factor of safety to provide for the chance of the extraordinary flood occurring ...
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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...