. Electric railway journal . 2 1 2,000 ft. Truck or line car 3 days on days on wire. Finished construction 1,000ft- $ 5. Span construction, Sole ownership, Wood poles, Single track = SSWS 6. Span construction, Sole ownership. Wood poles, Double track = SSWD 7. Span construction, Sole ownership, Iron poles. Single track = SSIS 8. Span construction, Sole ownership. Iron poles. Double track = SSID Differences in cost between the rigid and flexible bracket and between double brackets on center polesand long brackets on side-location pol
. Electric railway journal . 2 1 2,000 ft. Truck or line car 3 days on days on wire. Finished construction 1,000ft- $ 5. Span construction, Sole ownership, Wood poles, Single track = SSWS 6. Span construction, Sole ownership. Wood poles, Double track = SSWD 7. Span construction, Sole ownership, Iron poles. Single track = SSIS 8. Span construction, Sole ownership. Iron poles. Double track = SSID Differences in cost between the rigid and flexible bracket and between double brackets on center polesand long brackets on side-location poles for double trackwere insignificant and therefore ignored. The cost of athousand-foot section of each one of these types wasthen tabulated, the arrangement conforming to theactual subdivision of the work during assembly and con-struction. Figures 1 to 4 show the tabulated costs forsome of the types. The table in the upper right hand FIG. 4—COST OF BRACKET CONSTRUCTION, WOOD POLES, SINGLE TRACK ■30, 7, I0che6-f-nuf pole. Cye bolt Trolley wireHoinger &ear Cost of Plus Per Cent Cost of Joint Cost of Plus Per Cent Cost of 1000 ft. Construction Type BSWS of BSWS BSWS BSWS Poles Poles Poles Less Poles Per Per 1000 ft. Mile BSWS $ 100 $ $151 69 $ $ BJ^WS bl\ BJ3WS 50 BJ4WS 331 940 68 Per Bracket Per 1,000 Ft, Section No. Each All A. I. Total Item .Size Quan. A. I. Total 1 $ $ $ $3 35 $ Chest, poles (shaved, treated, set) 30 ft. 10 $32 50 $13 40 $ $ \1 221511 • Bracket arms plus castings ;xl2 in,9 in. E 5 10102018150 13 Wood strain insulators (no clevis) Over suppt. rod (thrd. nuts, washers) 1x11 ft. . 13 1. 10 Brackets complete (less one hanger) 10 26. 18 11 00 38 49 . Strain plates 15 in. E 8 400 ft. 391 68 3,60 Wood stra
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
