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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201128667 - Employee Is Injured In Fall From Roof

Accident: 201128667 -- Report ID: 0950613 -- Event Date: 08/30/2011
InspectionOpen DateSICEstablishment Name
31010072209/13/20111731Net-Com Services, Inc.
At approximately 2:30 a.m. on August 30, 2011, Employee #1 was working for a telecommunications contractor, and his employer had a contract with a communications company to install a new antenna and some other new cables and components on the existing cellular-phone equipment installed on several church buildings in Menlo Park. This equipment was located on the two different roofs: on the sloped roof of the church and on the flat roof of the structure adjacent to the church. Employee #1 arrived at the jobsite, and Coworker #1, a foreman, was present at the jobsite with two other coworkers. It was Employee #1's first time working at this jobsite. Coworker #1 directed Employee #1 to go up on the flat roof by using a fixed ladder to test some new equipment that had just been installed. This fixed ladder was located against the church wall and in a wide roof opening measuring approximately 10 feet wide, 8 feet long and 10 feet high. The open edges of this roof opening were not guarded. Employee #1 and Coworker #1 went up on the flat roof. Both of them were wearing harnesses but Employee #1 and Coworker #1 were not tied off. The equipment to be tested was in the middle of the roof, far away from the roof edge. Employee #1 was working on the equipment when he realized he needed tools that were located back on the ground. To get back to the fixed ladder, Employee #1 and Coworker #1 had to pass by the edge of the roof opening. The 10 feet of this walkway near the opened roof's edge was approximately 24 inches wide and it was obstructed with three extending wood blocks that were anchored to the roof to hold some other equipment along with a unistrut that was holding a cable tray. Employee #1 tripped on one of these obstructions and lost his balance, and fell off the opened roof's edge approximately 10 feet below on the ground. Employee #1 fractured his right clavicle. Coworker #1 witnessed this accident. Employee #1 was transported to Stanford Hospital, and he was hospitalized for two days. After the accident, the employer installed a temporary guardrail on this opened side of the roof edge. The Division will issue serious accident related citations to the employer for not providing appropriate fall protection or guard rails to its employees when they were exposed to a fall hazard. (T8 CCR 1632(b)(1), 1670(a).
Keywords: fracture, roof, collarbone, fall, fall protection, roof opening
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Other building Alteration or rehabilitation Under $50,000 1 10
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 310100722 Hospitalized injury Fracture Inspectors, testers and graders FallDist:
Cause: Temporary work (buildings, facilities)
FatCause: Fall from roof

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