Section 27(6) in The Static and Mobile Pressure Vessels (Unfired) Rules, 2016
(6)Rail tank wagon loading or unloading shall be restricted to a maximum of half a rake (six hundred tonnes). If full rake handling is required, it shall be placed in two separate gantries with fifty meters distance in between them. Safety distances for rail tank wagon loading or unloading shall be as per table 4(A) under rule 22.
