Section 49A(16) in The West Bengal Factories Rules, 1958
(16)Tracks : - (a) The distance (i) between tracks and (ii) between tracks and buildings, blind walls or other structures and (iii) between tracks and materials deposited on the ground shall be respectively not less than-(aa)from center to center of parallel tracks, the overall width of the widest wagon of that guage plus twice width of the door of such a wagon when opened directly outward plus 1 metre:(bb)from a building or structure other than a loading platform to the center of the nearest track, half the overall width of the widest wagon of that gauge, plus the width of its door when opened out-ward, plus 1.5 metres;(cc)from material stacked or deposited alongside the track, on the ground or on a loading platform, to the center of the nearest track, half the overall width of the widest wagon of that gauge, plus half the width of its door when opened directly outward plus 1 meter.(b)Sleepers of a track shall be in level with the ground and at all crossings of track with a road or walkway the surface of the road or walkway shall be in level with the top of the rails.(c)All track ends shall be equipped with buffer stops of adequate strength.(d)Barriers of substantial construction shall be securely and permanently fixed across any doorway or gateway in a building or in a wall which conceals an approaching train from view, between the building and the track as prescribed in clause (a) of sub-rule (3).(e)Where tracks are carried on gantry or other elevation, a safe footway or footways with hand rails and toe-boards shall be provided at all positions where persons works or pass on foot, and where there is an opening in the stage of an elevated track for the dropping of material to a lower level, the position shall be adequately fenced or the opening itself provided with grill through which a person cannot fall.(f)All point levers shall have their movements parallel, to and not across, the direction of the track.(g)All loading platforms which are more than 60 cm. above the level of the ground on which the track is laid and more than 15 metres in length, shall be provided with steps at intervals not greater than 15 metres apart to enable the platform to be easily mounted from the track.(h)Turn table on plant railways shall be provided with locking devices which will prevent the tables from turning while locomotives or wagons are being run on or off the tables.(i)Workers shall be prohibited from passing under, between or above railway wagons.