OSHA Accident Investigation · Summary #14197917
MCLEAN CONTRACTING COMPANY
GEORGETOWN, MD—
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU LOAD LINE
Investigation abstract
A carpenter supervisor and three carpenters were helping a crane operator move a embly descended from its position at the top of the boom and contacted the power line. The carpenter who was placing the material under the wheels received an e lectric shock and sustained burns to both feet and to his right hand. He was hos pitalized for his injuries. The employees were trained by the employer's safety director, the job superintendent, and the supervisor. The employer had institute d weekly safety checklists and had presented each employee with a handbook that includes safety rules. The injured employee was wearing rubber boots and a hardh at. crane from one position to another. The five employees were near the crane, sta nding on the ground, placing blocking material under the left front outrigger an d under the tandem front wheels. One of the carpenters was operating the control levers of the hydraulic outrigger. The controls were on the left side of the 63 -metric-ton truck crane (Serial No. 3550-21) with a 34-meter-long boom. The cran e operator had left the crane cab with the motor still running. He had not engag ed the main hoist brake. The hook on the load line was suspended 14 meters above a 149.4-kilovolt overhead power line. The load line with its hook and block ass
Victim
-
#1 Hospitalized Age 29 M
- Nature of injury
- 10
- Part of body
- 11
- Event type
- 13
- Source
- 15
- Occupation code
- 567
- Human factor
- 13
- Environmental factor
- 8
- Task assigned
- 2
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.