The Safe Workplace

ACCIDENT SUMMARY - Electrical Shock

Accident Type: Electrical Shock Image - Fatal Facts No. 49
Weather Conditions: Clear/Hot
Type of Operation: Masonry Contractor
Size of Work Crew: 6
Collective Bargaining No
Competent Safety Monitor on Site: No
Safety and Health Program in Effect: Inadequate
Was the Work site Inspected Regularly: Yes
Training and Education Provided: No
Employee Job Title: Cement Finisher
Age & Sex: 34-Male
Experience at this Type of Work: 10 Years
Time on Project: 1 Day

BRIEF DESCRIPTION OF ACCIDENT

Two employees were spreading concrete as it was being delivered by 1 concrete pumper truck boom. The truck was parked across the street from the work site. Overhead power lines ran perpendicular to the boom on the pumper truck.

One employee was moving the hose (elephant trunk) to pour the concrete when the boom of the pumper truck came in contact with the overhead rover line carrying 7,620 volts. Employee received a fatal electric shock and fell on the other employee who was assisting him. The second employee received massive electrical shock and burns.

* Safety training requirement was not being carried out at time of accident.

INSPECTION RESULTS

OSHA cited the employer for not instructing each employee to recognize and avoid unsafe conditions which apply to the work and work areas. Employer was also cited for operating equipment within ten feet of an energized electrical, ungrounded transmission lines rated 50 kV or less and not erecting insulating barriers.

ACCIDENT PREVENTION RECOMMENDATIONS

  1. Train employees to recognize and avoid unsafe conditions which apply to the work environment [28 CFR 1926.21(b)(2)].
  2. Avoid operating equipment within ten feet of electrical distribution or transmission lines rated 50 kV or less unless the line has been de-energized and visually grounded, or unless insulating barriers -- not part of or attached to the equipment -- are provided [29 CFR 1926.600(a)(6)].

SOURCES OF HELP

NOTE: The case here described was selected as being representative of fatalities caused by improper work practices. No special emphasis or priority is implied nor is the case necessarily a recent occurrence. The legal aspects of the incident have been resolved, and the case is now closed.