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Inspection Detail
Inspection: 101436855 - Mac Bestos
Inspection Information - Office: Denver Area Office
Site Address:
Mac Bestos
Stapleton International Airport
Denver, CO 80238
Mailing Address:
2245 Curtis Street, Denver, CO 80205
Union Status: NonUnion
SIC:1795
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Health
Close Conference: 01/17/1989
Emphasis:
Case Closed: 08/03/1989
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 360352488 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 5 | 6 | 11 | |||
| Current Violations | 5 | 6 | 11 | |||
| Initial Penalty | $1,500 | $0 | $0 | $100 | $0 | $1,600 |
| Current Penalty | $1,000 | $0 | $0 | $100 | $0 | $1,100 |
| 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 | 19260021 B06 I | 02/10/1989 | 04/14/1989 | $150 | $300 | $0 | 03/01/1989 | F - Formal Settlement | |
| 2. | 01002A | Serious | 19260055 A | 02/10/1989 | 02/13/1989 | $300 | $300 | $0 | - | ||
| 3. | 01002B | Serious | 19260055 B | 02/10/1989 | 02/13/1989 | $0 | $0 | $0 | - | ||
| 4. | 01003A | Serious | 19260058 E06 II | 02/10/1989 | 02/13/1989 | $300 | $300 | $0 | 03/01/1989 | F - Formal Settlement | Citation has been deleted. |
| 5. | 01003B | Serious | 19100134 D02 II | 02/10/1989 | 04/14/1989 | $200 | $0 | $0 | 03/01/1989 | F - Formal Settlement | |
| 6. | 01003C | Serious | 19100134 E05 | 02/10/1989 | 04/14/1989 | $0 | $0 | $0 | 03/01/1989 | F - Formal Settlement | |
| 7. | 01004A | Serious | 19260058 H03 I | 02/10/1989 | 03/10/1989 | $200 | $300 | $0 | F - Formal Settlement | ||
| 8. | 01004B | Serious | 19100134 B03 | 02/10/1989 | 04/14/1989 | $0 | $0 | $0 | 03/01/1989 | F - Formal Settlement | |
| 9. | 01004C | Serious | 19100134 B06 | 02/10/1989 | 02/18/1989 | $0 | $0 | $0 | - | ||
| 10. | 01004D | Serious | 19260058 H04 II | 02/10/1989 | 04/14/1989 | $0 | $0 | $0 | 03/01/1989 | F - Formal Settlement | |
| 11. | 01005A | Serious | 19260058 M01 I | 02/10/1989 | 04/14/1989 | $150 | $300 | $0 | 03/01/1989 | F - Formal Settlement | |
| 12. | 01005B | Serious | 19260058 M02 IIB | 02/10/1989 | 04/14/1989 | $0 | $0 | $0 | 03/01/1989 | F - Formal Settlement | |
| 13. | 01005C | Serious | 19260058 M04 I | 02/10/1989 | 03/10/1989 | $0 | $0 | $0 | - | ||
| 14. | 02001 | Other | 19030002 A01 | 02/10/1989 | 02/15/1989 | $50 | $50 | $0 | - | ||
| 15. | 02002 | Other | 19040002 A | 02/10/1989 | 02/18/1989 | $50 | $50 | $0 | - | ||
| 16. | 02003 | Other | 19100101 B | 02/10/1989 | 02/18/1989 | $0 | $0 | $0 | - | ||
| 17. | 02004 | Other | 19260058 F06 I | 02/10/1989 | 02/18/1989 | $0 | $0 | $0 | - | ||
| 18. | 02005A | Other | 19260058 M03 II | 02/10/1989 | 02/18/1989 | $0 | $0 | $0 | - | ||
| 19. | 02005B | Other | 19260058 M03 III | 02/10/1989 | 03/10/1989 | $0 | $0 | $0 | - | ||
| 20. | 02005C | Other | 19260058 M03 IV | 02/10/1989 | 02/18/1989 | $0 | $0 | $0 | - | ||
| 21. | 02006A | Other | 19260058 N02 IIB | 02/10/1989 | 03/10/1989 | $0 | $0 | $0 | - | ||
| 22. | 02006B | Other | 19260058 N03 II | 02/10/1989 | 03/10/1989 | $0 | $0 | $0 | - |
Investigation Summary
On December 9, 1988, Employees #1 through #5 were working at the Stapleton International Airport boiler building asbestos abatement project, which had been contracted to Mac-Bestos, Inc. They were wearing supplied air respirators. A gasoline-powered air compressor was located outside the building and pumped air to an Air-Burst Jr. breathing system, which directed the air to the respirators. The breathing air system, when operated correctly, sounds an alarm if the air compressor is sending air that is unfit for breathing. The system also has a back up which then sends breathable air to the respirators. At approximately 11:00 a.m., Employees #1 through #5 were overexposed to carbon monoxide, which was pumped to the Air-Burst Jr. and then sent to the respirators without sounding an alarm. All five employees had been working for less than 15 minutes. At 11:15 a.m., Employee #1 passed out and had to be carried from the abatement area. Emergency help arrived at 11:30 a.m. and administered oxygen to all five employees. They were transported to the hospital for blood tests and were treated in a hyperbaric chamber. Their carboxyhemoglobin levels ranged from 16 to 24 percent.
Keywords: COMPRESSOR, UNCONSCIOUSNESS, ALARM, CONSTRUCTION, INHALATION, EQUIPMENT FAILURE, CARBOXYHEMOGLOBIN, OVEREXPOSURE, CARBON MONOXIDE, RESPIRATOR
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 101436855 | Hospitalized injury | Asphyxia | Occupation not reported | ||
| 2 | 101436855 | Hospitalized injury | Asphyxia | Occupation not reported | ||
| 3 | 101436855 | Hospitalized injury | Asphyxia | Occupation not reported | ||
| 4 | 101436855 | Hospitalized injury | Asphyxia | Occupation not reported | ||
| 5 | 101436855 | Hospitalized injury | Asphyxia | Occupation not reported |