OSHA Accident Investigation · Summary #14515829
RICHARDS & ASSOCIATES INC
CHRISTMAS, FL—
Event description
Fall - Collapse of Power Transmission Tower
Investigation abstract
Two power line crews were placing insulators on six transmission towers for a 50 uy caused the tower to collapse in an easterly direction and triggered a chain r eaction. The lineman died when the tower on which he was working fell and crushe d him. 0-kilovolt overhead power line. The towers were 116 feet in height and were plac ed at 50-foot intervals, running east to west. Each tower was intended to hold a separate line running north to south. An aerial lift with a 90-foot articulated boom was used to place a power line worker on the fourth tower from the west. A fter placing the power line worker at a 100-foot height on the tower, the driver lowered and cradled the boom, retracted the outriggers, and drove the truck to the west. When the driver made a 180-degree turn around the western-most tower, the retracted boom struck and severed the tower's western guy. The loss of the g
Victim
-
#1 Fatality Age 26 M
- Nature of injury
- 12
- Part of body
- 4
- Event type
- 2
- Source
- 8
- Occupation code
- 577
- Human factor
- 1
- Environmental factor
- 6
- Task assigned
- 1
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.