Job Safety Analysis: TIG Welding

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Step Potential Hazard Control
Inspect work area and equipment Fire hazards, poor ventilation, damaged cables, clutter Remove combustibles, ensure proper ventilation, inspect leads, cords, and torch components
Prepare materials and work surface Sharp edges, dropped materials, pinch points Wear gloves, secure materials with clamps, maintain clean and stable work surface
Set up TIG welder and shielding gas Electric shock, gas leaks, incorrect settings Verify grounding, inspect hoses and connections, use leak detection solution, set amperage and gas flow to manufacturer recommendations
Position welding screens and don PPE UV exposure, burns, bystander eye injury Use welding helmet, gloves, and flame resistant clothing, place screens to protect others
Initiate arc and begin welding Arc flash, burns, sparks, intense light Maintain proper technique, position hands correctly, keep others clear of the area
Maintain weld and adjust settings as needed Electric shock, accidental arc contact Adjust settings only between welds, keep hands and cables in safe positions
Handle hot welded materials Burns, dropped materials, sharp edges Allow cooling time or use pliers, mark hot areas, wear gloves rated for heat
Shut down equipment Electric shock, fire hazards Turn off power source, close cylinder valves, bleed down remaining pressure, coil cables neatly
Clean and inspect work area Fire hazards, trip hazards, leftover metal fragments Remove debris, verify there are no smoldering materials, return tools to storage

Suggested Personal Protective Equipment

  • Welding helmet with appropriate shade

  • Safety glasses with side shields

  • Flame resistant jacket and pants

  • TIG welding gloves

  • Steel toe boots

  • Respirator when ventilation is limited

  • Hearing protection

  • High visibility vest when working near vehicles or moving equipment

Always have a complete, well-stocked first aid kit available.

JSA Category: General Maintenance and Shop Operations

* The steps, hazards, and controls displayed above may be incomplete or not suit your department's needs. All job safety analyses should be a completed with frontline worker input to ensure that each potential hazard is identified and mitigated.

Please read about The Essentials Elements of a Solid Job Safety Anaylsis here.

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Job Safety Analysis
Step Potential Hazard Control
Inspect work area and equipment Fire hazards, poor ventilation, damaged cables, clutter Remove combustibles, ensure proper ventilation, inspect leads, cords, and torch components
Prepare materials and work surface Sharp edges, dropped materials, pinch points Wear gloves, secure materials with clamps, maintain clean and stable work surface
Set up TIG welder and shielding gas Electric shock, gas leaks, incorrect settings Verify grounding, inspect hoses and connections, use leak detection solution, set amperage and gas flow to manufacturer recommendations
Position welding screens and don PPE UV exposure, burns, bystander eye injury Use welding helmet, gloves, and flame resistant clothing, place screens to protect others
Initiate arc and begin welding Arc flash, burns, sparks, intense light Maintain proper technique, position hands correctly, keep others clear of the area
Maintain weld and adjust settings as needed Electric shock, accidental arc contact Adjust settings only between welds, keep hands and cables in safe positions
Handle hot welded materials Burns, dropped materials, sharp edges Allow cooling time or use pliers, mark hot areas, wear gloves rated for heat
Shut down equipment Electric shock, fire hazards Turn off power source, close cylinder valves, bleed down remaining pressure, coil cables neatly
Clean and inspect work area Fire hazards, trip hazards, leftover metal fragments Remove debris, verify there are no smoldering materials, return tools to storage
Suggested Personal Protective Equipment