Section 80(a) in The Orissa Building and Others Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2002
(a)runway or ramp provided for use by building workers is not less than four hundred and thirty millimeters in width and is constructed of not less than twenty five millimeters thick planking or any other material of adequate strength to withstand the required load supported substantially in relation to the span and braced of such runway or ramp and design and construction of such runway or ramp is in accordance with the relevant national standards;
