Section 139(a) in The Rajasthan Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2009
(a)all construction with the use of concrete or reinforce concrete are based on plans as-(i)include specifications of steel and concrete and other material to be used in such construction;(ii)give technical details regarding methods for safe placing and handing of slouch material as specified in sub-clause (i);(iii)indicate the type, quality and arrangement of each part of a structure of such construction; and(iv)explain the sequence of steps to be taken for completion of such construction;