Section 250(b) in The Rajasthan Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2009
(b)the pressure plant and equipment referred to in clause (a) is fitted with-(i)a suitable safety valve or other effective device to provide maximum safe discharge pressure from being exceeded at any time.(ii)a suitable pressure gauge with a dial range not less the one point five times and not exceeding twice the maximum working pressure, easily visible and designed to show at all times, the internal pressure in Kilogram per square centimeter and marked with the maximum safe work in pressure at such plant and equipment;(iii)a suitable stop valve or valves by which the pressure plant or the system of the pressure plant may be isolated, from the source of supply of pressure or otherwise;
