Welding, Cutting, Brazing

Welding, Cutting and Brazing Hazards

Welding, cutting, and brazing are hazardous activities that pose a unique combination of both safety and health risks to more than 500,000 workers in a wide variety of industries. The risk from fatal injuries alone is more than four deaths per thousand workers over a working lifetime.

Training, OSHA Standards, Standard Interpretations and Compliance Letters and other resources can be found on the OSHA website.

Acetylene IncidentAcetylene Accident
This was an incident in Newcastle, Australia that happened on September 29, 2003. A fitter with a works van left an E size Oxygen and Acetylene cylinder on the back seat of a Toyota dual cab over the weekend. The Acetylene cylinder must not have fully closed and a small leak occurred.

Over the weekend the Acetylene had accumulated in the van. On Monday morning the fitter approached the van and opened the door, a large explosion took place.

We believe the ignition could have been caused by either the internal light, the automatic door control or by a mobile phone which was on the front seat of the van. The fellow was also a smoker.

He has damage to his ear drums and facial damage...a very very lucky guy!

What Makes Acetylene so Bad!

FLAMMABILITY LIMITS
(% by volume in air):
Lower: 2.5, Upper: 100
( an extremely wide range!)

NFPA RATINGS
Health 1; Flammability 4; Reactivity 3

Use or store only in a well-ventilated area.
(inside of the truck is not well ventilated)

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