. Railroad structures and estimates . hpressure mains and charged by meter. The standpipes in general use are fr, 8, 10, and 12 in., weigh-ing from 2500 to 5000 lb. each. APPROXIMATE COST WITHOUT SUPPLY PIPE LINE. Wood chamber. Concrete chamber. 6-inch standpipe complete in place 8-inch standpipe complete in place 10-inch standpipe complete in place 12-inch standpipe complete in place $300 to $400450 to 550500 to 600550 to 650 $400 to $450550 to 650600 to 700650 to 750 The approximate discharge in U. S. gallons per minute fromwater tank to standpipe foi various supply pipes 1000 feet long isgi
. Railroad structures and estimates . hpressure mains and charged by meter. The standpipes in general use are fr, 8, 10, and 12 in., weigh-ing from 2500 to 5000 lb. each. APPROXIMATE COST WITHOUT SUPPLY PIPE LINE. Wood chamber. Concrete chamber. 6-inch standpipe complete in place 8-inch standpipe complete in place 10-inch standpipe complete in place 12-inch standpipe complete in place $300 to $400450 to 550500 to 600550 to 650 $400 to $450550 to 650600 to 700650 to 750 The approximate discharge in U. S. gallons per minute fromwater tank to standpipe foi various supply pipes 1000 feet long isgiven in Table 115, page 437, for two different types of standpipes. For example, it is desired to ascertain what will be the dischargefrom a water tank through a 10-inch supply pipe to the standpipe^^ith 14 ft. of water in the tank. For the 10-inch rigid standpipethe table (115) gives 1700 and for the telescopic 1550 gallons perminute. If the pipe were 12 inches the discharge would be 2600and 2500 gallons respectively. STANDPIPES. 463. Sewer Pipe C. p. R. Telescopic Standpipe. APPROXIMATE ESTIMATE FOR SUPPLY PIPE AND STANDPIPE.—SUPPLY PIPE 140 FEET LONG. Supply pipe: Excavation for .supply pipe, 110 cubic yards at 75^. C. I. pipe, 10-inch supply, tons at $35 Lead for , 108 at 8(i Laying pipe, 140 lineal feet at 17^ Connections Standpipe: 1 10-inch standpipe erected Excavation for pit, 10 cubic yards at pit Drain 5 feet deep: Excavation 164 cubic yards at 75(f 210 Uneal feet 4-inch tile pipe laid, at trap bends and connections • $ $ $ SupervTsion and contingencies 10 per $$ $ 464 STANDPIPES. 97*98 ,69
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