painting of structures, pipings and equipments in units of bxp and msq of br.-1 work at height ( height > 2 m ) 2 a ) excavation. b ) fire pump operation. c ) testing of pressure gauge 3 excavation involving dewatering works 4 blast cleaning painting ( confined space / external ) 6 a ) working in confined space b ) testing of gas sensor c ) tank gauging d ) de gassing of lpg cylinder e ) shuttering works f ) brick masonry g ) handling of battery 7 a ) road work. b ) reinforcement c ) concreting 8 a ) grass cutting b ) blinding & de-blinding work 9 electrical work 10 working with possibility of 11 welding and cutting works 12 tank cleaning 13 product pump house operation 14 dg operation