Section 83(b) in Bihar Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2005
(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 timer 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 ramps and such runways or ramps are designed in accordance with the relevant national standards.
