OSHA Accident Investigation · Summary #14267181
W J MURPHY CONSTRUCTION CO INC
NORWELL, MA—
Event description
ROOF COLLAPSE
Investigation abstract
THE EMPLOYEES WERE ERECTING PREFABRICATED WOODEN ROOF TRUSSES ON A 1 1/2 STORY B UILDING, UTILIZING A CRANE. INADEQUATE TEMPORARY BRACING WAS USED, CAUSING THE C OLLAPSE, IN DOMINO FASHION, OF 21 TRUSSES. A CARPENTERS HELPER, WORKING BELOW, W AS STRUCK AND FATALLY INJURED. TWO OTHER EMPLOYEES WERE STANDING ON TOP OF A 2 X 6 TOP PLATE OF EXTERIOR WALLS, GUIDING THE TRUSSES INTO POSITION WHEN THEY COLL APSED. THE WALLS BUCKLED AND BOTH EMPLOYEES WERE THROWN TO THE GROUND. THEY WERE SERIOUSLY INJURED. IMPROPER BRACING WAS USED TO HOLD THE TRUSSES IN POSITION. N O SAFETY BELTS OR OTHER FALL PROTECTION WAS USED BY THE MEN ON TOP OF THE WALL.
Victims (3)
-
#1 Fatality Age 18 M
- Nature of injury
- 2
- Part of body
- 5
- Event type
- 2
- Source
- 27
- Occupation code
- 569
- Human factor
- 18
- Environmental factor
- 6
- Task assigned
- 1
-
#2 Hospitalized Age 29 M
- Nature of injury
- 21
- Part of body
- 3
- Event type
- 2
- Source
- 5
- Occupation code
- 567
- Human factor
- 18
- Environmental factor
- 6
- Task assigned
- 1
-
#3 Hospitalized Age 53 M
- Nature of injury
- 21
- Part of body
- 3
- Event type
- 5
- Source
- 5
- Occupation code
- 569
- Human factor
- 18
- Environmental factor
- 13
- 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.