File:The street railway review (1891) (14781319653).jpg

Identifier: streetrailwayrev15amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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r,and then five l,500-h. p. alternating current units. For each unita tunnel is provided for communication between the boiler and en-gine basement. At the west end of both the boiler and engine rooms space hasbeen partitioned off for a superintendents office, a storeroom, atoilet room and a locker room for the men. Water for house service, and also available for emergency, istaken from two lo-in. artesian wells 60 ft. deep. The two pumps forthis service are electric driven, and were furnished by the KnowlesSteam Pump Works; the motors are Westinghouse. Each pumphas cylinders gis and6->-4 by 24 in., and at 2S!4 r. p. m. has acapacity of 200 gallons per minute; the motor speed is 1,200 r. p. m.A storage tank of steel, 12 ft. in diameter and 63 ft. 3 in. high, islocated 250 ft. from the station on the line of the east wall, and isset on a solid block of concrete 15 ft. deep. 16 ft. in diameter at thetop and 20 ft. in diameter at the bottom. 404 STREET RAILWAY REVIEW. I Vol. XV, No. 7-
Text Appearing After Image:
Water is delivered to tlie tank through a 6-in. standpipe, whichserves to regulate the pressure on the service system, the overflowfrom the standpipe going into the tank. A lo-in overflow pipe fromthe tank is also provided. Within the station the service water main is 8 in. in diameterwith 2<-in. hranches to the bearings of each engine, 2j4-in. branchesto each condenser and a^S-in branches to the feed pumps. Water for the engine bearings is taken regularly, the other connections be-ing for emergency use only. The general layout of the steam piping is shown in one of theline drawings. The main header is l8 in. in diameter, of extra heavy

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