OSHA Accident Investigation · Summary #221361496
AMERICAN ASPHALT OF WISCONSIN, A DIVISION OF MATHY CONSTRUCTION
MOSINEE, WI·
Event description
Employee incurs burns on face and arm while welding
Investigation abstract
At approximately 8:26 p.m. on May 11, 2021, an employee was preparing to weld a crack inside the drum of a Bomag Type BW-284-AD tandem vibratory roller. The area had been cleaned multiple times with Schaeffer's Citrol Multi-Purpose Degreaser and Talon Non-Chlorinated Brake Cleaner. After surface preparation, the employee began welding using a Miller XMT 301 Arc Welder. Upon attempting to strike an arc a second time, residual vapors from the cleaning agents ignited, creating a fireball that exploded outward from the drum. The employee sustained second-degree burns to the arm and face. The employee was hospitalized for treatment.
Victim
-
#1 Hospitalized Age 55 M
- Event type
- 14
- Occupation code
- 889
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