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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14236889 - Two Construction Employees Injured: Struck By Falling Slabs

Accident: 14236889 -- Report ID: 0953210 -- Event Date: 04/29/1987
InspectionOpen DateSICEstablishment Name
10207078605/04/19871542Tibbals Construction Co
NINE 20 BY 13 FOOT CEMENT SLABS HAD BEEN TEMPORARILY EMPLACED AS WALLS FOR A SILAGE PIT UNDER CONSTRUCTION. THE OWNER OF THE CONSTRUCTION COMPANY INSTRUCTED THE OPERATOR OF A D-6 CAT DOZER NOT TO BACKFILL BEHIND THE SLABS UNTIL BRACING HAD BEEN INSTALLED. APPARENTLY THE DOZER OPERATOR MISUNDERSTOOD THE OWNER AND PROCEEDED TO BACKFILL THE SPACE BETWEEN THE SLABS AND EARTH WALL. THE PRESSURE ON THE BACKSIDE OF THE SLABS CAUSED ONE TO FALL INWARDS. SINCE THE SLABS HAD BEEN TIED TOGETHER AT THE TOP BY A WELD, ALL THE SLABS FELL IN DOMINO FASHION. EMPLOYEE #1, WHO WAS STANDING AT THE PASSENGER SIDE OF THE WELDING TRUCK GETTING A DRINK OF WATER, WAS STRUCK IN THE ARM BY THE FALLING SLAB, CAUSING HIS ARM TO BE PINNED AGAINST THE WELDING TRUCK. EMPLOYEE #2, WHO WAS OPERATING A CRANE, WAS STRUCK IN THE HEAD BY A FLYING WOODEN "A" FRAME LAUNCHED BY ANOTHER FALLING SLAB. BOTH EMPLOYEES WERE HOSPITALIZED.
Keywords: concrete slab, head, unsecured, pinned, work rules, construction, struck by, arm, flying object, falling object
Employee # Inspection Age Sex Degree Nature Occupation
1 102070786 Hospitalized injury Fracture Welders and cutters
2 102070786 Hospitalized injury Concussion Crane and tower operators

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