Translate
Inspection Detail
Inspection: 300822137 - Mammoth Mountain Ski Area
Inspection Information - Office: Modesto District Office
Site Address:
Mammoth Mountain Ski Area
#1 Minaret Road
Mammoth Lakes, CA 93546
Mailing Address:
Po Box 24, Mammoth Lakes, CA 93546
Union Status: NonUnion
SIC:7011
NAICS: 721199/All Other Traveler Accommodation
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 10/04/2006
Emphasis:
Case Closed: 02/14/2011
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 362350126 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 3 | 3 | ||||
| Current Violations | 2 | 2 | ||||
| Initial Penalty | $42,750 | $0 | $0 | $0 | $0 | $42,750 |
| Current Penalty | $24,750 | $0 | $0 | $0 | $0 | $24,750 |
| 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 | Serious | 3220 B04 | 10/04/2006 | 11/07/2006 | $6,750 | $18,000 | $0 | 10/24/2006 | F - Formal Settlement | |
| 2. | 02001 | Serious | 3340 C02 A | 10/04/2006 | 11/07/2006 | $0 | $6,750 | $0 | 10/24/2006 | F - Formal Settlement | Citation has been deleted. |
| 3. | 03001 | Serious | 3203 A04 | 10/04/2006 | 11/07/2006 | $18,000 | $18,000 | $0 | 10/24/2006 | F - Formal Settlement |
Investigation Summary
On April 6, 2006, Employee #1, #2, #3, and #4 were reestablishing a perimeter fence around a gas vent, called a fumarole. The snow that covered the fumarole caved in and two employees fell approximately 22 ft. Two additional employees attempted a rescue. One of the four employees was rescued and survived. Three died from carbon dioxide asphyxiation.
Keywords: ASPHYXIATED, FALL, CAVE-IN
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 300822137 | Fatality | Asphyxia | Occupation not reported | ||
| 2 | 300822137 | Hospitalized injury | Asphyxia | Occupation not reported | ||
| 3 | 300822137 | Fatality | Asphyxia | Occupation not reported | ||
| 4 | 300822137 | Fatality | Asphyxia | Occupation not reported |