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Inspection Detail
Inspection: 125490391 - Yum'S Mechanical
Inspection Information - Office: San Francisco District Office
Site Address:
Yum'S Mechanical
1649 Jerrold Avenue
San Francisco, CA 94124
Mailing Address:
, , 00000
Union Status: NonUnion
SIC:3444
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 01/13/1999
Emphasis:
Case Closed: 01/13/1999
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 362189581 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 2 | 7 | 9 | |||
| Current Violations | 2 | 7 | 9 | |||
| Initial Penalty | $3,875 | $0 | $0 | $375 | $0 | $4,250 |
| Current Penalty | $3,875 | $0 | $0 | $375 | $0 | $4,250 |
| 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 | 342 A | 01/13/1999 | 03/03/1999 | $150 | $150 | $0 | - | ||
| 2. | 01002 | Other | 5202 D02 | 01/13/1999 | 02/15/1999 | $75 | $75 | $0 | - | ||
| 3. | 01003 | Other | 5153 A | 01/13/1999 | 02/15/1999 | $0 | $0 | $0 | - | ||
| 4. | 01004 | Other | 5445 C | 01/13/1999 | 02/15/1999 | $0 | $0 | $0 | - | ||
| 5. | 01005 | Other | 5446 A | 01/13/1999 | 02/15/1999 | $0 | $0 | $0 | - | ||
| 6. | 01006 | Other | 5450 A | 01/13/1999 | 02/15/1999 | $0 | $0 | $0 | - | ||
| 7. | 01007 | Other | 5450 K | 01/13/1999 | 02/15/1999 | $150 | $150 | $0 | - | ||
| 8. | 02001 | Serious | 5449 F | 01/13/1999 | 02/08/1999 | $375 | $375 | $0 | - | ||
| 9. | 03001 | Serious | 5449 B | 01/13/1999 | 02/08/1999 | $3,500 | $3,500 | $0 | - |
Investigation Summary
An employee working for a heating and ventilation contractor sprayed a coating of a flammable adhesive containing methylene chloride to the inner surface of a sheet metal duct section. The employee then positioned a piece of precut fiberglass insulation against the glued surface and allowed it to set for approximately 5 minutes. He then spot welded retention pins through the fiberglass insulation and onto the sheet metal using pinspot-type welded insulation fasteners. The electric arc generated by the spot welder ignited the flammable vapors from the adhesive, which were trapped in the air spaces in the insulation. The ensuing flash fire burned the employee's face, neck, right ear, and inner right forearm. He was hospitalized for 5 days. (The spray application of the flammable adhesive and the spot welding were conducted in a general shop area, not a well ventilated work station.)
Keywords: BURN, ELECTRIC ARC, SPOT WELDING, E GI III, ELECTRICAL, FLAMMABLE LIQUID, GLUE, WELDER, WELDING, THERMAL INSULATION
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 125490391 | Hospitalized injury | Burn/Scald(Heat) | Sheet metal workers |