What are the pre cautions for welding?

1. Remove all combustion material from the place of welding 2. Clear the work area and cover wooden floor with fire proof mats. ( Welding mechanic should be kept with in the visibility of the welders. 3. Erect fire resistance screen around the work 4. All welding cables should be fully insulted 5. All welding mics shall be double earthed 6. Welding area should be dry and free from water 7. Keep the fire extinguisher / sand really 8. Use leather hand gloves, goggles and helmets 9. Switch off the power when welding is stopped 10. Do not allow the helper to do welding 11. Do not shift he welding cable unless the electric power is switched off. 12. Do not allow the helper to carry the welding. Terminal of the welding cables should be provided 3-cable with lugs and kept tight. 13. Oxygen hose in black and Acetylene hose in red in color as per standard 14. NRV of the blow torches should be maintained properly avoid back fire 15. Welders should be trained properly 16. Cylinders should be stored in a cold dry place away bottom heat and direct sunlight. 17. Proper house keeping, good ventilation in the working area 18. Smoking should be avoided from welding area 19. Hose connection should be proper made 20. Barricade the work area and put a sign board 21. Rolling of cylinders should be avoided 22. Flash back arrestor should be attached in each cylinders 23. Any leakage of cylinder should be kept separately 34. What is the precaution for gas cutting? 1. Keep fire extinguisher nearby 2. Keep fire watch near by 3. Remove all combustible from work area 4. Use all necessary PPE 5. Never put welding gas cylinder in side a confined space 6. Hoses shall not be laid in path ways 7. Gas cutting torch should have flash back arrestors 8. Gas test to be done to check for presence of flammable gas in site. 9. Good house keeping and ventilation necessary in working area. 10. Hose connections should be made properly.