. Electric railway journal . the train-linesockets on the coaches. An existingshed was adapted as a repair shopby raising the roof and installing20-ton traveling cranes. The routine maintenance of therolling stock consists of a nightlyinspection and a shed day once intwo weeks. It is intended to give aheavy overhaul when cars come infor wheel turning, which will be forthe motor coaches after running60,000 to 80,000 miles, and for thetrail coaches after 100,000 miles. The carhouse and repair-shopstaffs comprise two shifts of thirty-one men each, with seven other men employed in theshops during
. Electric railway journal . the train-linesockets on the coaches. An existingshed was adapted as a repair shopby raising the roof and installing20-ton traveling cranes. The routine maintenance of therolling stock consists of a nightlyinspection and a shed day once intwo weeks. It is intended to give aheavy overhaul when cars come infor wheel turning, which will be forthe motor coaches after running60,000 to 80,000 miles, and for thetrail coaches after 100,000 miles. The carhouse and repair-shopstaffs comprise two shifts of thirty-one men each, with seven other men employed in theshops during the day only and three rolling stock exam-iners who are stationed at Retiro. The electrical equip-ment of the tracks comprised the bonding of track rails,the erection, bonding and protection of the conductorrails, the laying of interconnecting cables across gapsin the conductor rail and the provision of switchgear for dividing up the track into short electricalsections. In connection with the electrification the whole route. KLEXIHLE COLLECTING SHOE The standard gap is about 7 ft. and the width 6i track rails are carried across on wooden beamshaving the upper corners chamfered off to reduce thefoothold. The fences are carried up to the trench anda footway with a locked gate is provided for the useof the maintenance men. Other incidental improvements were provision underevery rail of four ties of extralength for the insulators and theinstallation of new track fishplates. The conductor rail is of specialform, weighing 36 lb. per composition of the high-conduc-tivity Steel is: Carbon, percent; silicon, none; sulphur, percent; phosphorus, per cent;manganese, per cent. The elec-trical resistivity of the steel is that of copper. Cast-steelramps are used in connection withthe conductor rail. The particular form of rail thatwas adopted was designed to protect particularly thetrespassers on the tracks, trespassing being much moreprevalent in
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