. Electric railway journal . cal Practices from Every Department of Electric Railroading (Contributions from the Men in the Field Are Solicited and Will Be Paid for inAccordance with Our Regular Rates.) GENERAL FEATURES OF PUBLIC SERVICE COM-MISSIONS TRACK SPECIFICATIONS FORNEW RAPID TRANSIT LINES BY ELLSWORTH L. MILLS, ENGINEER OF TRACKS, SUBWAYSYSTEM, WITH GIBBS & HILL The Public Service Commission, First District, NewYork, has undertaken for the first time to design thedetails of and buy material necessary for the construc-tion of track work. It contemplates handling this ma-terial just as
. Electric railway journal . cal Practices from Every Department of Electric Railroading (Contributions from the Men in the Field Are Solicited and Will Be Paid for inAccordance with Our Regular Rates.) GENERAL FEATURES OF PUBLIC SERVICE COM-MISSIONS TRACK SPECIFICATIONS FORNEW RAPID TRANSIT LINES BY ELLSWORTH L. MILLS, ENGINEER OF TRACKS, SUBWAYSYSTEM, WITH GIBBS & HILL The Public Service Commission, First District, NewYork, has undertaken for the first time to design thedetails of and buy material necessary for the construc-tion of track work. It contemplates handling this ma-terial just as a railroad would, ordering directly fromthe material contractors such supplies as are neededfrom time to time, and installing it as the subway andelevated work now under way in New York progressessufficiently to permit of so doing. It was not deemedadvisable to let a general contract for the work, as theconstruction would have to be carried on sometimes :*V/of Riser ofPlatform ^ 48? ^>^4 fcgq| V. Top of Floor G/ruer-S. At Other Points Cross-Sections of New Subway Construction with ScrewSpikes, !2-In. Tie Plates Over Felt Pads, etc. under traffic. Again, in some instances, the city mightdesire to install a portion of the tracks for temporaryoperation, and it was appreciated that no contractorcould bid on doing work under such uncertain condi-tions. STANDARDIZATION AND MILEAGE In order to obtain a standard track constructionthroughout the dual system (comprising not only thecity-built lines, but also the lines now owned and beingbuilt by the operating companies, all of which the cityhas the right ultimately to take over) the commissioninvited the New York Municipal Railway Corporationand the Interborough Rapid Transit Company to conferwith its engineers. The result has been the adoption ofa set of standards and specifications which will apply toall new rapid transit lines whether built by the city orby the operating companies. The work will be doneunder the chief engineer of t
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