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Inspection Detail
Inspection: 120340492 - Jenson Mechanical, Inc.
Inspection Information - Office: Ca-E-Concord (R2-D2)
Site Address:
Jenson Mechanical, Inc.
600 Metcalf Road
San Jose, CA 95138
Mailing Address:
32420 Central Avenue, Union City, CA 94587
Union Status: NonUnion
SIC:1711
NAICS: 238220/ Plumbing, Heating, and Air-Conditioning Contractors
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 03/09/2004
Emphasis:
Case Closed: 12/01/2007
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 101480671 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 1 | 1 | 2 | |||
| Current Violations | 2 | 2 | ||||
| Initial Penalty | $2,025 | $0 | $0 | $450 | $0 | $2,475 |
| Current Penalty | $0 | $0 | $0 | $900 | $0 | $900 |
| FTA Penalty | $0 | $0 | $0 | $0 | $0 | $0 |
| # | Citation ID | Citaton Type | Standard Cited | Issuance Date | Abatement Due Date | Current Penalty | Initial Penalty | FTA Penalty | Contest | Latest Event | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 01001 | Other | 5189 H03 | 03/09/2004 | 04/11/2004 | $450 | $450 | $0 | I - Informal Settlement | ||
| 2. | 02001 | Other | 1632 B | 03/09/2004 | 04/11/2004 | $450 | $2,025 | $0 | I - Informal Settlement |
Investigation Summary
At approximately 11:15 a.m. on September 12, 2003, Employee #1, a mechanic, was working in a propellant mix building owned by a different employer that made solid fuel rockets and missiles for the aerospace and defense industries. He was using a portable band saw to cut into a stainless-steel, 2 in. thick vacuum line designed to pull air from the rocket fuel being mixed. Employee #1 had partially cut the line when it exploded and he was killed. Subsequent investigation revealed that the inside of the line was contaminated with particles of HMX explosive and ammonium perchlorate, the latter having a particle size of less than 15 microns. The employer that owned the building failed to ensure that the line had been decontaminated of all explosive materials before Employee #1 began hot work.
Keywords: PORTABLE POWER TOOL, HEAT, BANDSAW, EXPLOSIVE MIXING, CONSTRUCTION, EXPLOSION, CHEMICAL REACTION, COMBUSTIBLE DUST, CHEMICAL
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 120340492 | Fatality | Other | Occupation not reported |