Safety in arc welding process and precautions

Safety in Welding

1. ARC WELDING SAFETY

2. SAFETY
WELDING SAFETYCHECKLIST
1.Fire Hazard
2.Fumes & Gases
3.Electric Shock
4.Ultra Violet Arc Ray Burn
5.Personal Protection Gear

3. FIRE HAZARDS
1.Clear all unnecessary materials from work area
prior to beginning a welding, cutting, grinding or
brazing operation.
2.Inspect area for FLAMMABLE MATERIALS.
3.Identify the location of the nearest FIRE
EXTINGUISHER.
4.Investigate the safest FIRE EVACUATION
ROUTE from the work area.

4. IN CASE OF FIRE FOLLOW THESE
RULES
1.YELL FIRE, pull the fire alarm & notify all co-
workers of the hazard.
2.EXTINGUISH THE FIRE, using the proper
classification fire extinguisher.
3.EXIT the area if fire or fumes create a hazardous
situation.
4.BE SURE TO KNOW COMPANY SAFETY
STANDARDS FOR FIRE SAFETY &
PREVENTION.

5. FUMES & GASES
RESPIRATORY HAZARDS
•Most cutting and welding operations create smoke
and fumes:
•SMOKE –From base metal and electrode
•FUMES –From oxidation and corrosion resistant
coatings.
•Keep your head out of the plume cloud or wear a
RESPIRATOR.
•Clean weld area down to base metal when ever
possible.

6. ELECTRIC SHOCK
SHOCK PREVENTION METHODS
1.Always inspect equipment, cables, insulators,
electrical connections, taped wires, frayed wires and
all other electrical components used during a
welding operation.
2.DO NOT USE DAMAGED EQUIPMENT.
3.Use CAUTIONat all times when the welding
machine is on.

7. ULTRA VIOLET RAYS
COMMON INFORMATION
UV light will burn SKIN & EYES.
Light can penetrate a single layer of clothing
or any material that allows light to pass
through.
Burns and Excessive Irritatiion occur due to
repeated or prolonged exposure to the light of
welding arcs.

8. EYE PROTECTION SHADE CHART
Oxy –Acetylene Torch
–Small Tip Size Shade # 3 -5
–Large Tip Size Shade # 5 –Up
Shade #10 –75A to 200A
Shade #12 –200A to 400A
Shade #14 –Over 400A

9. PERSONAL PROTECTION GEAR
Safety Glasses
Hat/Head Protection
Ear Plugs
Leather Steel Toe Boots
Heavy Welding Gloves
Welding Hood
Protective Coat
Cutting Glasses
Face Shield
–Shaded
–Clear