There will be radio communication beet ween the safety watch & site safety supervisor.As supplement to radio communications an air horn or portable siren will be used by the workers inside the confined space to alert the safety watch in case of an emergency .Where possible a life line will run from the access / egress point to the location of the workers to felicitate rescue operations.Where practical ,each worker will wear harness attached to the life line facilitate efficient rescue operations.Trained personal out side the confined space will aid an rescue operations.
The expected hazardfs involved in mechanical works
Injury to workers during handling of materials. Hands or legs caught underneath loads.Burns ,electric shock during welding works and other hot works ,short cir cute & fire incide4nts. Collapse of cranes & other lifting equipments. Failiear of lifting tools & tackles. Eye injury due to falling particles during grinding,grit blasting & power brushing. Suffocation due to excessive smoke or dust during welding & blasting operations. Swinging of load and hitting on existing facilities during rigging operation in strong wind. Welders trapped underneath pipes during welding works -as support are moved. Back fire and explosion of compressed gasses during oxy -acetylene flame cutting. Hazards due to smoking in prohibited areas. Hazards due to bursting of pipe lines during hydro testing at high pressure range.
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