OSHA Accident Investigation · Summary #964585
EXCAVATION,WORK RULES,CONSTRUCTION,BURIED,CAVE-IN,UNTRAINED,SPRAIN,ANKLE
Event description
Employee sprains ankle in excavation collapse
Investigation abstract
Employee #1 and a coworker were laying a 6 in. lateral sewer line and setting th d. It had a 20 in. wide bench on the north side, 1 1/2 ft below the top, and a 2 4 ft wide bench that narrowed to 20 to 24 in. on the south side, 2 ft below the top. The employer had no specific safety rules for excavations or trenches, and none of the employees was familiar with the applicable safety standards. e vent pipe in an excavation located at the east side of a townhouse foundation. Employee #1 was at the east end of the excavation facing the north wall and the coworker was next to the north wall near the west end of the excavation when a portion of the south and east walls collapsed. The coworker managed to get out o f the excavation, but Employee #1 was buried to his waist. He was dug out by thr ee coworkers. His only injury was a sprained ankle. The excavation was approxima tely 13 ft long; it was 10 ft 7 in. wide at the west end; 5 ft 8 in. wide at the east end; and 8 ft deep at the west end increasing to 10 ft deep at the east en
Victim
-
#1 Non-hospitalized injury Age 27 M
- Nature of injury
- 20
- Part of body
- 11
- Event type
- 2
- Source
- 12
- Occupation code
- 557
- Human factor
- 17
- Environmental factor
- 18
- Task assigned
- 2
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