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Published byHarriet Gilbert Modified over 9 years ago
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Welding and Cutting for construction
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Welding safety program guidelines Person responsible Accountability and enforcement Job hazard assessment Special procedures 1a
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Welding safety program guidelines Engineering controls Administrative controls Personal protective equipment 1b
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Welding safety program guidelines Equipment inspection/ maintenance "Near miss" investigation 1c
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Compressed gas cylinders hazards Valve protection caps Hoisting cylinders Moving cylinders 2a
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Compressed gas cylinders hazards Transporting by powered vehicles Cylinders in use Closed cylinder valve 2b
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Storing compressed gas cylinders Upright position Oxygen cylinders separated 20 foot rule CGA Pamphlet P-1-1965 3a
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Placing compressed gas cylinders Fire prevention Electrical protection Valve end up Confined space restriction 4a
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Treatment of compressed gas cylinders Do not: –Mix gases in a cylinder –Refill a cylinder –Use for purposes not intended –Use damaged or defective cylinders 5a
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Training employees using fuel gas Reduce the pressure via a regulator Cracking the valve Open slowly Close valve/ release gas 6a
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Cylinder leaks Immediately discontinue use Properly tag Remove from the work area 7a
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Fuel gas and oxygen manifolds Manifolds correctly marked Safe, well ventilated locations Hose connections keep free of grease and oil 8a
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Fuel gas and oxygen hose Easily distinguishable from each other Not interchangeable Parallel sections taped together Inspect before using 9a
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Fuel gas and oxygen hose Remove defective hose from service Test to twice the normal pressure Keep out of passageways 9b
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Torches Clean clogged torch tip openings Inspect before using Don’t use defective torches Use friction lighters 10a
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Housekeeping Keep free from oil or greasy substances Avoid directing oxygen flow 11a
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Manual electrode holders Specifically designed Fully insulated 12a
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Welding and cutting cables Completely insulated, flexible type Handle maximum current requirements 13a
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Welding and cutting cables Do not use damage cable Worn cable to be protected Connecting or splice cable 13b
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Training for arc welding and cutting Remove electrodes if left unattended Avoid electric shock Open power supply switch 14a
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Training for arc welding and cutting Report defective equipment Provide supply circuit disconnect Provide switch or circuit breaker 14b
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Five common arc-welding processes Shielded metal (SMAW) Gas metal (GMAW) Gas tungsten (GTAW) Flux cored (FCAW) Submerged (SAW) 15a
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Welding and fire prevention Move object to safe location Move fire hazards to safe place Confine the heat, sparks, and slag 16a
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Welding and fire prevention Avoid flammable compounds Fire extinguishing equipment 16b
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Fire watchers Assign additional personnel Instruct in the specific hazards Firefighting equipment is used 16c
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Drums and containers Keep closed if full Move empty containers to safe area Clean containers if necessary Open vent during the application of heat 16d
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Mechanical ventilation General mechanical ventilation systems Local exhaust systems Oxygen restrictions 17a
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Confined spaces Use of air line respirators Communication Emergency rescue Pre-planed rescue procedure 18a
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General welding, cutting, and heating Absence of hazards conditions Absence of toxic materials No special requirements Eye protective equipment needed 19a
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Preservative coatings Testing by a competent person Determine flammability Remove from welding area 20a
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Physical hazards of welding and cutting Ultraviolet radiation (UV) Infrared radiation (IR) Intense visible light 21a
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