. Railway track and track work . i-. Part Plan ofFoundations. Part Plan ofSubstructure. Fig. 124.—Water Tank for Supplying Locomotives. has standpipes 24 ft. diameter, 40 and 60 ft. high; the capacities are 96,000and 202,000 gals., or 57,700 and 163,800 gals, available above the spout forsupplying engines, which is 12 ft. above the rails. A combination tank andstandpipe has the lower portion of smaller diameter, steel columns supporting 190 TRACK. the sides of the tank proper, which has a hemispherical bottom. The centralportion is of sufficient diameter to insure safety from freezing, even wi
. Railway track and track work . i-. Part Plan ofFoundations. Part Plan ofSubstructure. Fig. 124.—Water Tank for Supplying Locomotives. has standpipes 24 ft. diameter, 40 and 60 ft. high; the capacities are 96,000and 202,000 gals., or 57,700 and 163,800 gals, available above the spout forsupplying engines, which is 12 ft. above the rails. A combination tank andstandpipe has the lower portion of smaller diameter, steel columns supporting 190 TRACK. the sides of the tank proper, which has a hemispherical bottom. The centralportion is of sufficient diameter to insure safety from freezing, even without afrost-proof covering; it is fitted with a valve for blowing out the water andsediment in this portion without emptying the tank. Where the tank standsat the level of the track, this design may cost less than a standpipe of thesame available capacity. The saving is due to lighter foundations and lesssteel plating, even with allowance for the cost of the columns. Trouble from freezing of tanks at wayside water stations varies
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