SAFE OPERATING PROCEDURE SAFE OPERATING PROCEDURE
Welding Welding
PRE-OPERATIONAL SAFETY CHECKS
4. Defective connections at the electrode holder/torch or at the welding
UNDERSTANDING THE Welding Machine current return clamp.
5. Cables and Plugs suitable for the intended use and performance.
Rated capacity of Welding Cables.Broken or thermally damaged plugs
and switches.
6. Metal frame and cases must be grounded to earth.
7. Ensure Welding machine is operated on ELCB/RCD operated circuit.
8. Power disconnection shall be routed thru MCB and must be provided
on the machine.
9. Before Welding, make sure that welding area is free of flammable and
combustible materials
OPERATIONAL SAFETY CHECKS
1. Carryout welding with proper work permit or job safety planning.
POTENTIAL HAZARDS AND RISKS 2. Connect to power source only after all adjustments have been made.
■ Non-Ionization Radiation ■ Electricity 3. Check that the power lead does not create a trip hazard and that it is
■ Eye injuries ■ Burns & Hot Spatters ■ Electric Shock well clear of the workpiece.
PERSONAL PROTECTIVE EQUIPMENTS 4. Insulate welder from workpiece and ground using dry insulation.
Rubber mat or dry wood.
5. Connect the welding ground as close as possible to area where
Appropriate safety helmet must be worn at all times welding is being performed.
in all sites.
6. Welding shall be carried out in ventilated area or proper ventilation
arrangements shall be made before start welding.
Appropriate safety footwear must be worn at all
7. Use welding shields to protect eye and face from radiation and
times in all sites.
spatters. Guard eyes & face when chipping slag.
Approved reflective jacket must be worn at all times 8. Use Welding screens to protect others from arc or glare.
in all sites. 9. The work clamp must be securely attached to the work before the start
of the welding operation.
Approved face shield or welding goggles must be 10. Locate welding machines where they have adequate ventilation and
ventilation ports are not obstructed.
worn when welding is carried.
11. Do not operate the rotary switch for current settings while the machine
Appropriate safety hand gloves must be worn when is operating under welding current load.
12. Disconnect the welding machines from the power supply when they
welding is carried.
are left unattended.
13. A place will be provided to hang up or lay down the holder where it will
A mask must be worn when excessive airborne
not come in contact with persons or conducting objects.
metal fume is created.
14. Partially used electrodes should be removed from the holders when
not in use.
Suitable welding apron must be worn all times when
welding is carried. 15. Before making any machinery adjustments, bring the machine to
isolation by disconnecting from the power source.
Cotton long sleeve shirt and long pant must be 16. Handle hot metal with pliers or tongs.
worn. 17. Do not allow the electrode to stick the metal. If this occurs, turn off the
welding, allow the electrode to cool, then break off with gloved hand.
Ring or Jewelry must not be worn. No loose 18. Prevent burns by cooling hot metal promptly, storing when not in use,
clothing. and never touch the electrode or electrode holder to bare skin.
19. Keep the Fire extinguisher and water bucket handy.
PRE-OPERATIONAL SAFETY CHECKS
1. Check workspace to ensure no slip-trip hazards are present. HOUSEKEEPING (AND CLEANING UP)
2. Examine the power lead and welding current return lead for obvious 1. Remove electrode stubs, chipped slag after welding.
damage. 2. Remove all materials and equipments from the welding area.
3. Missing or defective insulation at the welding holder/torch. 3. Clean the area and leave it in a safe & tidy condition.
