Electric railway journal (1911) (14759470162)

Identifier: electricrailway381911newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries



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justment of pole locations to avoid cross streets. The total quantities of material used for the present elec-trification may be of interest. They were approximatelyas follows: Forty two-track intermediate bridges. Ten two-track signal and anchor bridges. Thirty-five four-track intermediate bridges. Thirteen four-track signal and anchor bridges. Three thousand three hundred and eighty-five steel tu-bular poles. Three hundred and forty-one steel transmission poles.Three steel towers. Eleven circuit breakers and switching houses.Six hundred and sixty thousand feet No. 0000 trolleywire. One million one hundred and twenty thousand feet 7/16-in. messenger cable. Three hundred and sixty-five thousand feet span andguying cable. Four hundred and ninety thousand No. 0000 seven-strandcopper high-tension conductors. Seventy thousand No. 0000 track-rail bonds. Four thousand five hundred feeder insulators. Fourteen thousand messenger insulators. Three thousand five hundred high-tension insulators.
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F»g- 34—Southern Pacific 1200-Volt Lines—Standard Construction Train Installing Overhead Work October 28, 1911.; ELECTRIC RAILWAY JOURNAL. 947 The half-tone illustration, Fig. 34, shows the special worktrain which was assembled for erecting poles and catenarylines. This train consists of a locomotive crane geared torun up to 12 m.p.h., a flat car and a tower car equipped atthe companys shops with a tool house and adjustabletower. The use of this outfit saved $45 a day comparedwith a work locomotive, as it was operated for not morethan $10 a day. Aside from the saving and rental ofequipment the crane was found particularly useful inhandling poles, cable reels, etc. ENGINEERING The several features of the power distribution system andline construction described in the foregoing paragraphswere designed and installed under the direction of A. H.Babcock, electrical engineer, by H. W. Clapp, engineer ofelectric car equipment, assisted by B. C. Edgar. EXHIBIT OF THE PUBLIC SERVICE COMMI