Translate
Inspection Detail
Inspection: 125678268 - Mountain Cascade Inc
Inspection Information - Office: Sacramento Mining & Tunneling District Office
Site Address:
Mountain Cascade Inc
Newell Ave And South Broadway
Walnut Creek, CA 94596
Mailing Address:
555 Exchange Ct, Livermore, CA 94551
Union Status: Union
SIC:1622
NAICS: 237990/Other Heavy and Civil Engineering Construction
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 05/05/2005
Emphasis: L:Tunnel
Case Closed: 08/27/2009
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 362104523 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 1 | 1 | ||||
| Current Violations | 1 | 1 | ||||
| Initial Penalty | $22,500 | $0 | $0 | $0 | $0 | $22,500 |
| Current Penalty | $0 | $0 | $0 | $3,000 | $0 | $3,000 |
| 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 | 1511 B | 05/05/2005 | 11/09/2004 | $3,000 | $22,500 | $0 | 05/27/2005 | F - Formal Settlement |
Investigation Summary
On November 9, 2004, at 1:22 pm, an explosion and fire occurred in Walnut Creek, California when Employee #1, an excavator, struck a petroleum line. A representative of the Mountain Cascade, Inc. notified the Divisions. The East Bay Municipal Utility District domestic water main required excavation of a 15-ft deep trench to set the ground support systems, and the placement of a 72 in. by 40-ft water line segment with fit test and welding of the water line. The petroleum line was carrying gasoline at the time it struck the line; the pressure was estimated to be 974 psi. When the line was punctured, the pressurized fuel was ignited by the welding operations. Five employees died, and four sustained serious burns and remain hospitalized.
Keywords: BURN, FIRE, IGNITION SYSTEM, WELDING, EXPLOSION, EVACUATION
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 125678268 | Fatality | Concussion | Supervisors, n.e.c. | ||
| 2 | 125678268 | Fatality | Concussion | Helpers, construction trades | ||
| 3 | 125678268 | Hospitalized injury | Concussion | Helpers, construction trades | ||
| 4 | 125678268 | Hospitalized injury | Burn/Scald(Heat) | Helpers, construction trades |