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In this video, detailed discussion of #Track Guage Measurement, #Cross Level Measurement, #Superelevation or #Cant Measurement on #Railway track as per #Indian Railways #P.way Manual has been done with its significance, which will be useful for aspirants of UPSC ESE/GATE/PSU's/SSC-JE /State PSC JE/AE exams and #P.way Engineer on Site.
Following content has been discussed in this video:-
#Track Guage Measurement, #Cross Level Measurement, #Superelevation or #Cant Measurement on #Railway track as per #Indian Railways #P.way Manual.
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Note:-
As per IR P.way Manual,
1. Tolerance in Track Gauge is -3 mm to +5 mm.
E. g . If on a BG track, Guage is 1676 mm then Allowable limit of Gauge is 1673 mm to 1681 mm.
Broad Gauge = 1676 mm
Standard Or Stephenson Gauge = 1435 mm
Meter Gauge = 1000 mm
Narrow Gauge = 762 mm
Light feather Gauge = 610 mm
2. Tolerance in Cross levels is +7 mm to +9 mm.
-ve value is not permitted.
3. Generally Superelevation allowed at curve is 10 mm to 15 mm.
4. Track Gauge & Cross Level shall be measured at every 3 m to 5 m on flat track & at every 10m distance or at every station in case of curved line. But in General Practice, It is measured at every 5-6 Sleepers on flat track.
5. In General, Sleeper Spacing or Sleeper Density is 600 mm to 650 mm. On Level Crossings and Bridge locations, Sleeper spacing is kept to be 550 mm.
6. Cross Level is called as superelevation or cant on curved line.
7. Generally, Track gauge/Cross level/Superelevation/cant measurement shall be started from initial check rail location.