Identifier: buildingrepairin01kirk (find matches)
Title: Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways,
Year: 1906 (1900s)
Authors: Kirkman, Marshall M. (Marshall Monroe), 1842-1921
Subjects: Railroads
Publisher: New York and Chicago : The World railway publishing co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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and not detain trains. The column must havea quick opening valye, be readily adapted to highor low pressure, be frost proof, should turn auto-matically to its position parallel with the track, STANDARDS OF CONSTRUCTION, 291
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Fig. 179. <VUTOMATIC STAND PIPE OR WATER OOLUMl^. 20l^ building and be pairing railways. the valve should be balanced, it should rotateeasily and should drain automatically after use.*To enable fast trains to take water withoutmaking a stop Track Tanks are resorted to;they consist of a shallow tank 6 to 7 inches deepin the clear and 1200 to 1400 feet long. Theapproach at each end is sloped so that loose rodson passing trains will not catch and damage thetank. The train can take water when movingat a speed of 45 miles per hour; this is done bylowering a scoop attached to the tender, which,with the force and velocity at which the train ismoving, causes the water to flow into the tender,the tank is sloped up at the ends to preventthe scoop damaging it. Track tanks are soplaced that water can be taken about every 30miles run by the train. The difficulty met with

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