File:The Street railway journal (1901) (14572051160).jpg

Identifier: streetrailwayjo181901newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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few places whereboth sides of a street areopened at once, and thestreet railway tracks aresupported in the middle bya temporary structure. Fig. 9 is a view at Sixty-SecondStreet and Broadway at thebottom of the subway,show-ing a street railway track ontemporary supports. Fig. 10 is another view at thesame place, showing bothtracks and the steel struc-ture. (Jne of the first things tobe done was the removal ofall the sewers which wouldinterfere with the work, andthe building of such new sewers as were necessary to takecare of tiie sewage left unprovided for bv the change. Workis being pushed all along the route of the subway byvarious sub-contractors, and a visit to the places wherework is in progress is most interesting. Dififerent modesof procedure are adopted in various places. The method most frequently used in llie ordinary sub-way work is to open up one side of the street for a dis- -COMPRESSED AIR HOISTING ENGINE FOR OVERHEADROPEWAY 430 STREET RAILWAY JOURNAL. (Vol. XVIIL No. 14
Text Appearing After Image:
October ^, 1901.) STREET RAILWAY JOURNAL. 431 tance of about 400 ft. Excavation is made to the depthof the subway. The numerous pipes that are always en-countered are suspended by chains from beams placedacross the excavations. The workmen then drift underthe street railway tracks in the middle of the street, usingthe same tactics as in drift work in a mine, and follow theexcavation up with supporting timbers. When the drift-ing has reached half-way under the tracks the subway steelwork and masonry are put in under the half of the streetthat has been excavated, and the surface of the street isrestored to its original condition. Tlien the oilier half ofthe street is excavated and the drift work carried under the to catch as much of the rock loosened by the blast aspossible. Although the blasts make little disturbance,every precaution is taken with them. Boards are put overthe excavation. Pedestrians and street cars are kept oftthat part of the street when a blast is fired. On Elm Stree

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