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Para no: 19.2.1 (b) (ii) Annexure: 19-A2
Extract of Schedule of Dimensions (SOD)
The minimum horizontal distance from centre of the track to any structure as per
schedule of dimension (SOD) (addendum & corrigendum slip no (ACS) no 26 dated 10.1.2019)
shall be as follows:
New works or
S. For existing
From Level to Level alterations to
No works
existing works
1 From rail level to 305 mm above rail level 1675 mm 1905 mm
2 From 305 mm above rail level to 3355 mm 2135 mm
1905 mm increasing
3 From 305 mm above rail level to 1065 mm
to 2360 mm
4 From 1065 mm above rail level to 3735 mm 2360 mm
2135 mm
5 From 3355 mm above rail level to 4115 mm decreasing
to 1980 mm
2360 mm
6 From 3735 mm above rail level to 4420 mm decreasing to 2135
mm
2135 mm
7 From 4420 mm above rail level to 4610 mm decreasing to 1980
mm
8 From 4115 mm above rail level to 6250 mm 1600 mm
9 From 4610 mm above rail level to 6250 mm 1600 mm
10 Below rail level up to formation level of the track
2575 mm 2575 mm
on straight and curves up to radius of 875 m
11 Below rail level up to formation level of the track
2725 mm 2725 mm
on straight and curves with radius less than 875 m
Note: Latest Amendments of SOD as issued from time to time shall be followed.
Chapter 19: Installation, Testing & Maintenance of Signalling Equipment Page 418 of 535
