Section 83(b) in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
(b)every runway or ramp for the use of transport equipment like trailers, trucks or heavier vehicles has a width of not less than three point seven metres and is provided with timber curbs or any other material of adequate strength with not less than two hundred millimetres by two hundred millimetres in width placed parallel to, and secured to, the sides of such runway or ramp and such runways or ramps are designed in accordance with the relevant national standards.
