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— Para 263 1 IN 40 OF TRACK 3350 mm. 2740 mm. 1676 mm. 6850 mm. 05 1 IN 40 ANNEXURE 2/13 STANDARD BALLAST PROFILE FOR B. G. (OTHER THAN I-WRI CWR) Note : RECOMMENDED DEPTHS OF BALLAST AND BALLAST REQUIREMENTS FISH-PLATED TRACK Quantity Of Ballast RequireWMetre Depth Ot Ballast 250 mm. 200 mm 150 mm. On Straight and Curves Of Flatter than 600 M 1 .588 W 1.375 W 1.167M' 0.964 M' Curves Sharper than 600 M 1.634 W 1.416 1.202 W 0.996 W (1) (2) (3) (4) In the case Of ordinary fish-plated track : • TO be increased on the outside of curves to 400 mm. in the case Of Curves sharper than 600 M. radius. In short welded panel Track • TO be increased to 400 mm. on outside of all curves. natter than 875m radius and to 450mm. In the case Of curves sharper than 875m. radius. •TO be increased to 550 mm. on the outside Of turn in curves of turn-outs in passenger yards. In the case Of S. V'" R. track. the minimum depth Of cushicn shall be 200 mm..
3.1 Ballast sections on different routes for straights and curves on single/double lines, On different gauges for fish plated track, SWR and LWR, Sections for branch lines, LOOP and sidings- Period-I Ballast ProfileISectionIDepth of Cushion: • Ballast profile: -The following ballast profiles shall be provided for the various groups of track for LWR/CWR and other than LWR/CWR as given in Annexure - 2/2A, 212B & 2/2C of IRPWM. The approximate quantity of ballast required per metre run of track for standard ballast sections has also been indicated in the sketch..
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