Fire
What are some hazards that cutting and welding creates
Sparks, Heat, and Fumes
What is metal splatter?
Slag or Molten Medal.
General requirements for protecting welders are?
•Dimensions of space (especially ceiling height)
•Number of welders
•Possible evolution of hazardous fumes, gases, or dust according to the metals involved.
30 minutes
○ Incorrect voltage or amperage settings
○ Poor grounding
○ Contaminated metal surfaces
○ Improper shielding gas settings
○ Incorrect welding technique
What does PEL stand for?
Permissible Exposure Limit
What is the distance for combustible materials required for clearance?
35 feet
What type of eye protection is required for welding and cutting operations?
• Welding helmet with proper shade lens
• Safety glasses with side shields
These 3 environments require what control measure?
•Spaces <10,000 feet per welder
•Rooms with ceilings lower than 16 feet
•Confined spaces or areas with barriers to natural cross ventilation
Mechanical Ventilation
What is a Class B fire
Fuel Fire.
What type of foot protection is required for welding and cutting operations?
Leather steel toe boots
When ventilating, contaminates must travel where?
Contaminants should travel away from breathing zone.
What is the most commonly used extinguisher for fire watch
ABC
Name 5 different types of PPE required for welders.
• Welding helmet with proper shade lens
• Safety glasses with side shields
• Flame resistant gloves and clothing
• Leather steel toe boots
• Hearing protection
• Respiratory protection when ventilation is inadequate
• Face shield for grinding/cutting
When welding in a confined space, what should be done?
attempt mechanical ventilation first; respirators if ventilation impossible