- What is welding?
- The process of joining of metals either by electrical or by gas is called welding.
- What are the hazards in welding?
- Eye injury
- Burn injury Arc realization
- Electrical shock Light arc radiation
- Heat, light, and radiation effects Heat fume
- Poisonous gases Chipped price of weld metal
- Fire
- Explosion Scattering
- Noise Sparking
- Sparking
- Flying sand
- What are the precautions for welding?
- Remove all combustion material from the place of welding
- Clear the work area and cover the wooden floor with fireproof mats. (Welding mechanics should be kept within the visibility of the welders.)
- Erect a fire resistance screen around the work
- All welding cables should be fully insulated
- All welding machines shall be double earthed
- The welding area should be dry and free from water
- Keep the fire extinguisher/sand really
- Use leather hand gloves, goggles, and helmets
- Switch off the power when welding is stopped
- Do not allow the helper to do welding
- Do not shift welding cable unless the electric power is switched off.
- Do not allow the helper to carry the welding. The terminal of the welding cables should be provided with 3 cables with lugs and kept tight.
- Oxygen hose in black and acetylene hose in red in color as per standard
- NRV of the blow torches should be maintained properly to avoid backfire
- Welders should be trained properly
- Cylinders should be stored in a cold, dry place away from bottom heat and direct sunlight.
- Proper housekeeping, good ventilation in the working area
- Smoking should be avoided in the welding area
- Hose connection should be properly made
- Barricade the work area and put up a signboard
- Rolling of cylinders should be avoided
- The flashback arrestor should be attached to each cylinder.
- What is the precaution for gas cutting?
- Keep a fire extinguisher nearby
- Keep a fire watch nearby
- Remove all combustible from the work area
- Use all necessary PPE
- Never put a welding gas cylinder inside a confined space
- Hoses shall not be laid in path ways
- Gas cutting torches should have flashback arrestors
- A gas test is to be done to check for the presence of flammable gas on the site.
- Good housekeeping and ventilation are necessary in the working area.
- Hose connections should be made properly
Magazine : Workplace Safety Rise/Tales/IQA

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