. Electric railway journal . ll operate for a period offrom thirty seconds to three minutes and then be auto-matically stopped. This takes care of instances in whicha car enters the block and stops, thus not operating therelay which stops the mechanism. 702 ELECTRIC RAILWAY JOURNAL [Vol, XLIX, No. 15 Cost of Erecting Overhead Work—VII [From the records of a large Eastern company) The following is the seventh group of a series of series were published in the issues for Jan. 20,diagrams with figures to show the actual costs of page 127; Jan. 27, page 173; Feb. 10, page 260;erecting the various t
. Electric railway journal . ll operate for a period offrom thirty seconds to three minutes and then be auto-matically stopped. This takes care of instances in whicha car enters the block and stops, thus not operating therelay which stops the mechanism. 702 ELECTRIC RAILWAY JOURNAL [Vol, XLIX, No. 15 Cost of Erecting Overhead Work—VII [From the records of a large Eastern company) The following is the seventh group of a series of series were published in the issues for Jan. 20,diagrams with figures to show the actual costs of page 127; Jan. 27, page 173; Feb. 10, page 260;erecting the various types of overhead construction Feb. 24, page 355; March 10, page 447; and Marchdescribed under conditions of light, ordinary and 31, page 606. The remaining groups will be pub-congested traffic. The preceding groups of this lished in later issues. LABOR REQUIRED FOR CONSTRUCTING VARIOUS TYPES OF OVERHEAD TROLLEY SPECIAL WORK UNDER VARIOUS TRAFFIC CONDITIONS Double track three-part through Y, with crossing K 203—,-,-. i i Light Ordinary Congested Labor Trucking Labor Trucking Labor Trucking$ $ $ $ $ $ Double track crossing double track with three double track connectingcurves angle 90 deg. No47*
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