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Inspection Detail



Accident Investigation Summary
Summary Nr: 14305841 Event: 08/21/1987Employee Killed When Escaping Vapors Ignite
Employee #1 was working approximately 90 ft above and 10 ft to one side of Employees #2 and #3 when they broke a check valve in a pipeline. A shut-off valve further up the line was open, allowing Dowtherm, a combustible liquid, to flow through the open check valve. The Dowtherm was heated above its flash point and escaped as a vapor, which ignited. Employee #1 was burned and killed. Employees #2 and #3 were not seriously injured. The check valve had appeared to be a flange.
Keywords: burn, flammable liquid, work rules, fire, construction, lockout, valve, combustible liquid, accidental discharge, inattention
Inspection Degree Nature Occupation
1 105537575 Non Hospitalized injury Burn/Scald(Heat) Construction trades, n.e.c.
2 105537575 Non Hospitalized injury Burn/Scald(Heat) Plumber, pipefitter and steamfiter apprentices
3 105537575 Fatality Burn/Scald(Heat) Construction trades, n.e.c.

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