annual maintenance contract for 09 numbers of tanaka equipments at gujarat refinery .- 1 work at height ( height > 2 m ) safety shoe ( a ) full body safety harness with shock absorbers ( two alternatives ) , shock absorbing lanyard double y type restrain lanyard, rope grab ( in case of vertical life line being used ) helmet ( a ) 4-11 2 a ) excavation. b ) fire pump operation. c ) testing of pressure gauge helmet ( b ) safety shoe ( a ) 12-13 3 excavation involving dewatering works helmet ( b ) gumboot gloves ( two alternatives ) goggles 14-18 4 blast cleaning helmet ( b ) safety shoe ( a ) goggles ear muff gloves ( two alternatives ) apron ( three alternatives ) half face mask 19-26 painting ( confined space / external ) helmet ( a ) safety shoe gloves ( two alternative ) half face mask apron ( two alternatives ) 27-30 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 helmet ( b ) safety shoe ( a ) gloves ( two alternatives ) 31-32 7 a ) road work. b ) reinforcement c ) concreting helmet ( b ) gum boot goggles gloves ( two alternatives ) 33-34 8 a ) grass cutting b ) blinding & de-blinding work helmet ( b ) gum boot 35 9 electrical work safety shoe ( b ) helmet ( b ) gloves ( electrical ) 36-38 10 working with possibility of helmet ( b ) safety shoe ( a ) goggles apron ( two alternatives ) 39-41 11 welding and cutting works welding shield safety shoe ( a ) apron welding gloves ( welding ) helmet ( b ) 42-44 12 tank cleaning helmet ( b ) gum boot apron ( two alternatives ) gloves ( two alternatives ) 45-47 13 product pump house operation helmet ( b ) safety shoe ( a ) goggles gloves ( two alternatives ) 48-19 14 dg operation helmet ( b ) safety shoe ( b ) ear muff electrical glove 50