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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170359624 - Employees Fall When Elevated Walkway Collapses

Accident: 170359624 -- Report ID: 0950632 -- Event Date: 10/08/1993
InspectionOpen DateSICEstablishment Name
11999303801/06/19941771Sapper Construction Company
At about 1:00 p.m. on October 8, 1993, at a downtown children's museum, Employees #1 and #2, concrete finishers, were seriously injured when the metal decking constructed to support an elevated walkway collapsed and the employees fell about 7 1/2 feet to the museum floor. Other company workers in the area came to their rescue and 911 was called. Within 3 minutes, the ambulance with paramedics arrived and Employees #1 and #2 were transported to a local hospital. The metal decking covering the 6 foot wide by 7 foot long walkway section that collapsed was not a single piece construction. The area had been overlapped with two sections of metal decking approximately 3 feet long that had been constructed by the contractor responsible for the decking. Only the last 7 feet on the east side of the elevated walkway were constructed by overlapping metal sheeting and supported with metal angle bracing. The rest of the walkway on the project was 5 feet wide and constructed of single piece metal decking. A city inspector had approved the structural floor system earlier that morning when the permit tag was signed. Employee #1's injuries were severed tendons, nerves, and veins on the left hand and a broken front tooth. Employee #2's injuries was severely avulsed tissue on both forearms.
Keywords: collapse, unsecured panel, work rules, walk platform, construction, metal sheet, metal decking, fall, bracing
Employee # Inspection Age Sex Degree Nature Occupation
1 119993038 Hospitalized injury Cut/Laceration Concrete and terrazzo finishers
2 119993038 Hospitalized injury Cut/Laceration Concrete and terrazzo finishers

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