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Inspection Detail
Inspection: 100562073 - Zambrana & Associates
Inspection Information - Office: Denver Area Office
Site Address:
Zambrana & Associates
Baseline And 28th Street
Boulder, CO 80302
Mailing Address:
, , 00000
Union Status: NonUnion
SIC:8713
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Health
Close Conference: 12/10/1991
Emphasis:
Case Closed: 07/29/1992
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 360367700 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 1 | 2 | 1 | 4 | ||
| Current Violations | 1 | 1 | 2 | 4 | ||
| Initial Penalty | $450 | $77,350 | $0 | $300 | $0 | $78,100 |
| Current Penalty | $1,000 | $4,000 | $0 | $0 | $0 | $5,000 |
| 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. | 01001A | Other | 19260059 E01 | 01/08/1992 | 05/01/1992 | $0 | $450 | $0 | 02/11/1992 | F - Formal Settlement | |
| 2. | 01001B | Other | 19260059 G01 | 01/08/1992 | 05/01/1992 | $0 | $0 | $0 | 02/11/1992 | F - Formal Settlement | |
| 3. | 01001C | Other | 19260059 H | 01/08/1992 | 05/01/1992 | $0 | $0 | $0 | 02/11/1992 | F - Formal Settlement | |
| 4. | 02001 | Willful | 5A0001 | 01/08/1992 | 05/01/1992 | $4,000 | $70,000 | $0 | 02/11/1992 | F - Formal Settlement | |
| 5. | 02002 | Serious | 19260201 A01 | 01/08/1992 | 05/01/1992 | $1,000 | $7,350 | $0 | 02/11/1992 | F - Formal Settlement | |
| 6. | 03001 | Other | 19030002 A01 | 01/08/1992 | 05/01/1992 | $0 | $300 | $0 | 02/11/1992 | F - Formal Settlement |
Investigation Summary
Employees #1, #2, and #3, two backhoe operators and one surveyor, were locating underground utilities in preparation for a road construction project. The primary method of locating the utility lines was to dig them up and then precisely survey them. Apparently (since there were no witnesses) Employees #1, #2, and #3 entered a 20 foot deep utility vault to survey the water and gas lines at the bottom. They were overcome by high levels of carbon dioxide and low levels of oxygen, and ultimately drowned in the 3 feet of water at the bottom of the vault. The official cause of death was cited as "Drowning due to asphyxiation due to acute stagnant air syndrome."
Keywords: OXYGEN DEFICIENCY, SURVEYOR, ASPHYXIATED, EQUIPMENT OPERATOR, WORK RULES, SCBA, CONFINED SPACE, CONSTRUCTION, CARBON DIOXIDE, DROWN
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 100562073 | Fatality | Asphyxia | Occupation not reported |