OSHA Accident Investigation · Summary #14516009
H & S FRAMING COMPANY
APOPKA, FL—
Event description
BROKEN ROOF TRUSS CAUSED FALL BY CONSTRUCTION WORKER
Investigation abstract
EMPLOYEE #1 AND THREE OTHER EMPLOYEES WERE INSTALLING PRE-FABRICATED WOOD ROOF T AT THOSE LOCATIONS AS SOON AS WEIGHT WAS ADDED. A MISSING BEARING WALL, WHICH WO ULD HAVE SUPPORTED THE TRUSS, ALSO CONTRIBUTED TO THIS ACCIDENT. RUSSES AT A SINGLE STORY HOUSE UNDER CONSTRUCTION . EMPLOYEE #1 WAS STANDING ON THE BOTTOM CHORD NEAR THE CENTER LINE OF THE SOUTHERN-MOST TRUSS AS THE WORKERS WERE ALIGNING THE TRUSS IN PEPARATION FOR SECURING IT IN PLACE. THE TRUSS SIMULT ANEOUSLY BROKE IN TWO PLACES, CAUSING EMPLOYEE #1 TO FALL TO A CEMENT FLOOR SURF ACE 10 FEET BELOW. EMPLOYEE #1 SUSTAINED MULTIPLE FATAL INJURIES, INCLUDING A CO NCUSSION. ACCORDING TO OBSERVERS AT THE SCENE THE BOTTOM CHORD OF THE TRUSS HAD A LARGE DOUBLE KNOT ON ONE SIDE OF THE CENTER LINE AND AN INADEQUATELY SECURED G ANG NAIL PLATE AT THE CENTER LINE. THESE FLAWS CAUSED THE BOTTOM CHORD TO BREAK
Victim
-
#1 Fatality Age 30 M
- Nature of injury
- 6
- Part of body
- 13
- Event type
- 5
- Source
- 8
- Occupation code
- 999
- Human factor
- 14
- Environmental factor
- 13
- Task assigned
- 1
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