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Inspection Detail
Inspection: 311669907 - Cemex California Cement Llc
Inspection Information - Office: San Bernardino Mining &Tunneling District Office
Site Address:
Cemex California Cement Llc
25220 Black Mountain Quarry Road
Apple Valley, CA 92307
Mailing Address:
16888 North E Street, Victorville, CA 92394
Union Status: Union
SIC:1499
NAICS: 212399/All Other Nonmetallic Mineral Mining
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 02/23/2010
Emphasis: L:Tunnel
Case Closed: 11/15/2010
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 102330123 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 1 | 1 | 2 | |||
| Current Violations | 1 | 1 | 2 | |||
| Initial Penalty | $18,000 | $0 | $0 | $700 | $0 | $18,700 |
| Current Penalty | $10,000 | $0 | $0 | $700 | $0 | $10,700 |
| 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 | 3203 A04 | 02/23/2010 | 03/05/2010 | $700 | $700 | $0 | 03/08/2010 | F - Formal Settlement | |
| 2. | 02001 | Serious | 3328 A | 02/23/2010 | 03/05/2010 | $10,000 | $18,000 | $0 | 03/08/2010 | F - Formal Settlement |
Investigation Summary
At approximately 8:06 p.m. on December 13, 2009, Employee #1, a quarry production utility leadman, was attempting to light a large natural gas torch with a friction lighter when an inadvertent buildup of gas from the torch exploded. When the explosion occurred, Employee #1 was thrown from, or jumped from, the step ladder he was using and landed on the steel catwalk about five feet below. He was hospitalized with second-degree and third-degree burns from the explosion and hip bruising from the fall to the cat walk. The cause of this accident was a failure to use or follow any of the instructions that had been included with the torch (Belchfire Model E natural gas/compressed air fired torch). An additional contributing causal factor, which increased the force of the explosion, was the repeated failed attempts to light the torch while the torch's combustion chamber was directed down into a cyclone vessel. This resulted in an accumulation of natural gas inside the cyclone vessel, which exploded when the friction lighter sparked.
Keywords: BURN, FLAMMABLE VAPORS, NATURAL GAS, TORCH, EXPLOSION
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 311669907 | Hospitalized injury | Burn/Scald(Heat) | Occupation not reported |