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Inspection Detail
Inspection: 100267483 - Wyatt Field Services Co Inc
Inspection Information - Office: Houston North Area Office
Site Address:
Wyatt Field Services Co Inc
111 Red Bluff
Pasadena, TX 77506
Mailing Address:
Po Box 3052, Houston, TX 77253
Union Status: NonUnion
SIC:1799
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 12/06/1985
Emphasis:
Case Closed: 12/24/1985
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 360141030 |
Investigation Summary
AN ALKYLATION PROCESS UNIT WAS SHUT DOWN FOR MAINTENANCE. WHILE TWO PRESSURE VESSELS CONTAINING LPG WERE BEING DEPRESSURIZED, AN EXPLOSION AND FLASH FIRE OCCURRED. THE EXPLOSION WAS CAUSED BY A PLUGGED FLARE LINE THAT LEAD TO THE OVERPRESSURIZATION OF A NEUTRALIZER DRUM AND SUBSEQUENT RUPTURE. THE FLASH FIRE WAS CAUSED BY THE IGNITION OF THE HYDROCARBONS RELEASED BY THE EXPLOSION (RUPTURE) OF THE NEUTRALIZER DRUM. THE IGNITION SOURCE WAS FOUND TO BE AN ARC BETWEEN TWO POWER LINES IN THE VICINITY OF THE UNIT. TWELVE EMPLOYEES OF THREE MAINTENANCE CONTRACTORS SUSTAINED INJURIES. SIX REQUIRED HOSPITALIZATION. TYPES OF INJURIES WERE BURNS, ABRASIONS, SPRAINS AND A FRACTURE. THE WORK BEING DONE BY THESE WORKERS HAD NO RELATION TO THE EXPLOSION OR FLASH FIRE.
Keywords: ELECTRIC ARC, ELECTRICAL, FLAMMABLE VAPORS, E GI VII, EXPLOSION, BURN, CLOTHING, FIRE, FRACTURE, MAINTENANCE
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 100267483 | Non Hospitalized injury | Bruise/Contus/Abras | Occupation not reported | ||
| 2 | 100267483 | Non Hospitalized injury | Bruise/Contus/Abras | Occupation not reported | ||
| 3 | 100267483 | Non Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 4 | 100267483 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 5 | 100267483 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 6 | 100267483 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 7 | 100267483 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 8 | 100267483 | Non Hospitalized injury | Burn/Scald(Heat) | Occupation not reported |