(1)Framed structures shall, consist of-(i)Wooden posts and beams;(ii)Steel beams and joints;(iii)Reinforced concrete beams and joints;In each of the above framed structures, Rules 535, 536, 537 and 538 shall apply.(2)All calculations for steel frame and R.C. structures shall be done by a qualified Engineer or an expert, to the satisfaction of the Executive Officer.
