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Inspection Detail



Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 1 1
Current Violations 1 1
Initial Penalty $560 $0 $0 $0 $0 $560
Current Penalty $560 $0 $0 $0 $0 $560
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 02001 Serious 10012 A 04/08/1986 04/10/1986 $560 $560 $0 -

Accident Investigation Summary
Summary Nr: 14215008 Event: 11/23/1985Pressure Vessel Ruptured; Employees Burned By Steam & Wax
ON NOVEMBER 23, 1985, EMPLOYEES #1 AND #2 MELTED PARAFFIN WAX FLAKES IN A VESSEL EQUIPPED WITH A STEAM JACKET. STEAM PRESSURE WAS ESTIMATED TO BE AT 135 PSI INSIDE THE JACKET. THE STEAM WAS CUT OFF TO ALLOW THE REPAIR OF A FAULTY OUTLET VALVE. WHEN THE STEAM WAS TURNED ON TO REMELT THE WAX THE INNER JACKET OF THE VESSEL COLLAPSED. THE MIXTURE OF STEAM AND HOT WAX WAS BLOWN OUT OF THE VESSEL, ONTO THE THREE EMPLOYEES. ALL THREE SUFFERED SECOND AND THIRD DEGREE BURNS OVER A LARGE PART OF THEIR BODIES. THE MAXIMUM ALLOWABLE WORKING PRESSURE OF THE VESSEL WAS CALCULATED TO BE 33.75 PSI. THE EXCESSIVE STEAM PRESSURE CAUSED THE FAILURE OF THE INNER JACKET.
Keywords: burn, pressure vessel, work rules, rupture, steam, high pressure
Inspection Degree Nature Occupation
1 3208733 Hospitalized injury Burn/Scald(Heat) Occupation not reported
2 3208733 Hospitalized injury Burn/Scald(Heat) Chemical engineers
3 3208733 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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