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Inspection Detail
Inspection: 125787218 - Blue Diamond Materials/Div. Of Sully Miller Cont.
Inspection Information - Office: Van Nuys Mining & Tunneling District Office
Site Address:
Blue Diamond Materials/Div. Of Sully Miller Cont.
3555 E. Vineyard Avenue
Oxnard, CA 93030
Mailing Address:
1100 East Orangethorpe Avenue #250, Anaheim, CA 92801
Union Status: NonUnion
SIC:2951
NAICS: 324121/Asphalt Paving Mixture and Block Manufacturing
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 02/28/2002
Emphasis: L:Tunnel
Case Closed: 06/25/2010
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 362184392 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 3 | 6 | 9 | |||
| Current Violations | 8 | 8 | ||||
| Initial Penalty | $63,000 | $0 | $0 | $2,250 | $0 | $65,250 |
| Current Penalty | $0 | $0 | $0 | $3,520 | $0 | $3,520 |
| 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 | 461 A | 03/01/2002 | 03/07/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 2. | 01002 | Other | 3203 B01 | 03/01/2002 | 04/17/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 3. | 01003 | Other | 3203 B02 | 03/01/2002 | 04/17/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 4. | 01004 | Other | 5194 F04 | 03/01/2002 | 03/07/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 5. | 01005 | Other | 5194 F04 | 03/01/2002 | 03/07/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 6. | 01006 | Other | 23400026 | 03/01/2002 | 03/07/2002 | $375 | $375 | $0 | 03/18/2002 | W - Empr Withdrew | |
| 7. | 02001 | Other | 3212 A01 | 03/01/2002 | 03/07/2002 | $935 | $22,500 | $0 | 03/18/2002 | J - ALJ Decision | |
| 8. | 03001 | Serious | 3328 B | 03/01/2002 | 03/07/2002 | $0 | $22,500 | $0 | 03/18/2002 | D - Govt Dismissed | Citation has been deleted. |
| 9. | 04001 | Other | 5194 H02 | 03/01/2002 | 03/07/2002 | $335 | $18,000 | $0 | 03/18/2002 | J - ALJ Decision |
Investigation Summary
On September 6, 2001, Employee #1 was positioned over an elevated walkway adjacent to a mixing unit. Inadequate cleaning procedure was being used to clean the mixer, which were never discussed with the manufacturer. This cleaning procedure involved the introduction of a solvent, diesel fuel, by a hand held hose through an inspection door into a hot container, a Madsen Model Number 440 Twin Shaft Pug Mill Mixer, Serial Number 533.6, which contained an ignition source of unknown origin. When the diesel fuel used as a cleaning solvent was introduced into the hot environment of the pug mill, the solvent quickly evaporated into a fog of solvent vapor and atomized fuel droplets. This mixture of liquid solvent, solvent vapor, and atomized solvent droplets was potentially flammable and explosive at any volumetric concentration between 0.3 and 10.0 when mixed with air. The mixture exploded when the volumetric concentration ran into this explosive range and an ignition occurred. Employee #1 was blown over the top rail of the walkway handrail and landed approximately 15.5 ft below. He was hospitalized for burns to his face and neck as well as sever head trauma.
Keywords: BURN, HEAD, VAPOR, CHEMICAL VESSEL, CLEANING, FIRE, MIXER, EXPLOSION, TANK
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 125787218 | Hospitalized injury | Other | Helpers, mechanics and repairers |