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Inspection Detail
Inspection: 112166673 - Marque Contracting
Inspection Information - Office: Van Nuys District Office
Site Address:
Marque Contracting
9601 Canoga Avenue
Chatsworth, CA 91311
Mailing Address:
P.O. Box 922678, Sylmar, CA 91392
Union Status: NonUnion
SIC:1731
NAICS: 0
Inspection Type: Accident
Scope: Complete
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 07/25/1990
Emphasis:
Case Closed: 10/12/1990
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 361063191 | ||
| Accident | 361063209 | ||
| Accident | 361063522 |
Investigation Summary
Three electricians were installing a new 480-volt, 400-ampere circuit breaker in a distribution switchboard at a frozen food manufacturing plant. They were performing the work as part of a major plant expansion. The switchboard was a General Electric AV, 3000-ampere, 480-Y/277-volt unit. The employees were working during a normal production shift, and the switchboard was energized at the time. One of the electricians was standing inside the switchboard frame holding the circuit breaker, and the other two were believed to be connecting the circuit breaker wiring to the switchboard. An electrical fault occurred, and the ensuing electric arc burned all three employees. The employee holding the circuit breaker died of his injuries. The other two employees were hospitalized.
Keywords: BURN, CLOTHING, E GI II, ELECTRIC ARC, ELECTRICAL, SWITCHBOARD, ELECTRICIAN, ELECTRICAL WORK, LOCKOUT, ELECTRICAL FAULT
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 112166673 | Fatality | Burn/Scald(Heat) | Supervisors; electricians & power transm. install. | ||
| 2 | 112166673 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported | ||
| 3 | 112166673 | Hospitalized injury | Burn/Scald(Heat) | Electricians |