OSHA Accident Investigation · Summary #809574
ROOF,COLLAPSE,OVERLOADED,BROKEN WELD,CONSTRUCTION,ROOFER,FALL,UNSTABLE POSITION
Event description
2 CONSTRUCTION WORKERS KILLED IN FALL FROM WAREHOUSE ROOF
Investigation abstract
EMPLOYEE #2 POSITIONED HIMSELF ON TOP OF A 53 FOOT HIGH WAREHOUSE ROOF UNDER CON ATTEMPTED TO SWING A WIRE ROPE CHOKER UNDERNEATH THE BUNDLE TO EMPLOYEE #1. DUR ING THE OPERATION, THE WELDS HOLDING THE BAR JOISTS IN PLACE BROKE. BOTH EMPLOYE ES, 3 BUNDLES OF ROOF DECKING, AND SIX BAR JOISTS FELL TO THE GROUND. BOTH EMPLO YEES WERE KILLED. STRUCTION. HE WAS PLACING BUNDLES OF ROOF DECKING ON BAR JOISTS IN PREPARATION F OR SPREADING THE SHEETS TO FORM THE ROOF. HE PLACED THE FIRST BUNDLE WITHIN 12 I NCHES OF AND PARALLEL TO A JOIST GIRDER. HE PLACED THE SECOND BUNDLE ABOUT 15 IN CHES FROM THE GIRDER, ALSO PARALLEL TO IT. THE THIRD BUNDLE WAS PLACED IDENTICAL LY TO THE FIRST. THE FOREMAN DIRECTED EMPLOYEE #2 TO MOVE THE SECOND BUNDLE BESI DE THE JOIST GIRDER FOR BETTER WEIGHT DISTRIBUTION. WHEN EMPLOYEE #2 HAD DIFFICU LTY MOVING THE BUNDLE, EMPLOYEE #1 WENT UP TO THE ROOF TO ASSIST HIM. EMPLOYEE # 1 CLIMBED ATOP THE BUNDLE. EMPLOYEE #2 STRADDLED A BAR JOIST BESIDE THE LOAD AND
Victims (2)
-
#1 Fatality Age 26 M
- Nature of injury
- 21
- Part of body
- 1
- Event type
- 5
- Source
- 8
- Occupation code
- 597
- Human factor
- 1
- Environmental factor
- 6
- Task assigned
- 1
-
#2 Fatality Age 22 M
- Nature of injury
- 21
- Part of body
- 13
- Event type
- 5
- Source
- 8
- Occupation code
- 597
- 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.