OSHA Accident Investigation · Summary #14377022
DISMANTLING,PIN,CRANE BOOM,UNTRAINED,CRANE
Event description
CRUSHED BY CRANE BOOM
Investigation abstract
ON AUGUST 1, 1984, AT 1:30 PM, EMPLOYEE #1 WAS TOLD TO REMOVE ONE SECTION OF A P THE PROPER METHOD OF BREAKING CRANE BOOMS. IN-CONNECTED CRANE BOOM. EMPLOYEE #1, A CRANE OPERATOR, LOWERED THE CRANE BOOM U NTIL THE BOOM PEAK WAS ON THE GROUND AND THE HOIST BRIDLE WAS SLACK. THE CRANE B OOM CONSISTED OF THE BOOM FOOT, 2 INTERMEDIATE SECTIONS AND THE BOOM TIP OR PEAK . EACH OF THE 4 SECTIONS IS APPROXIMATELY 20 FEET IN LENGTH AND 34 INCHES SQUARE AT THE JOINTS. EMPLOYEE #1 SAT UNDER THE BOOM AT THE JOINT OF THE INTERMEDIATE SECTIONS AND REMOVED THE LOWER (BOTTOM) PINS CONNECTING THE INTERMEDIATE SECTION S. WHEN HE REMOVED THE SECOND PIN THE SECTIONS FELL. EMPLOYEE #1 WAS CRUSHED BET WEEN THE BOOM SECTIONS AND THE GROUND. THE EMPLOYEE HAD NOT BEEN TRAINED IN THE
Victim
-
#1 Fatality Age 28 M
- Nature of injury
- 12
- Part of body
- 19
- Event type
- 1
- Source
- 24
- Occupation code
- 999
- Human factor
- 1
- 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.