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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 115710.015 - Employee Is Burned When Flammable Gases Ignite

Accident: 115710.015 -- Report ID: 0950632 -- Event Date: 04/16/2019
InspectionOpen DateSICEstablishment Name
1395912.01504/25/2019General Dynamics Nassco
At 6:00 p.m. on April 16, 2019, Employee # 1 and a coworker with General Dynamic s NASSCO, a shipbuilding and repair facility, were constructing and preparing w ooden blocks by melting wax in a portable metal melting pot which is heated by p lacing a rosebud torch into a rectangular chamber at the bottom of the melting p ot. A mixture of oxygen and natural gas is used to fuel the torch. The coworke r, lit the torch, placed it into the bottom of the melting pot, leaving it unatt ended while he went to perform other tasks. The coworker asked Employee #1 to g o and turn down the flame on the torch. Employee # 1 found that the torch was e xtinguished, so he pulled the torch out of the chamber to re-light it using a fl int striker. The concentration of natural gas and oxygen that had accumulated in and around the melting pot's lower chamber ignited when Employee # 1 attempted to re-light the torch. Employee # 1 was injured with burns to his arms and facia l hair. Employee # 1 was hospitalized. .
Keywords: abrasive burn, burn, melting furnace, natural gas, oxygen, shipyard, torch
Employee # Inspection Age Sex Degree Nature Occupation
1 1395912.015 25 M Hospitalized injury Laborers, except construction

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