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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 114177.015 - Employee Walking On Cross Braces Falls, Injures Shoulders An

Accident: 114177.015 -- Report ID: 0950652 -- Event Date: 03/04/2019
InspectionOpen DateSICEstablishment Name
1382795.01503/05/2019Skanska Usa Civil West California District Inc. And Traylor Bros., Inc. And J.F. Shea Construction, Inc.
At 6:45 a.m. on March 4, 2019, Employee #1, a carpenter employed by a civil engi neering company, and Coworker #1, his supervisor, were engaged in the constructi on of an extension to a heavy rail system 80 feet below the surface, both tunnel s and new stations. They were in a station and working on a set of vertical mod ular aluminum shoring frames, part of the process of building concrete forms for horizontal and vertical concrete segments in the stations. Employee #1 and his supervisor were measuring the elevations of a shoring frame to confirm the heig ht required for a concrete deck. Employee #1 used the inside of the frame like a ladder and climbed to the desired height. He then latched his self-locking al uminum rebar hook onto the horizontal member of the frame to prevent his falling . He took measurements and performed needed work, twisting the screw jacks upwa rd and/or downward according to the supervisor's directions. After completing w ork on that side of the shoring, he disconnected his self-locking rebar hook fro m the horizontal bar of the shoring frame and attempted to travel across the sid e cross-braces of the frame without fall protection. During this movement, Empl oyee #1 lost his footing and fell from the cross-braces, striking the concrete f loor and PVC pipes lying on the floor, a fall height of 13 feet. A complex emer gency recovery was required to lift Employee #1 topside. He then was transporte d to the hospital and admitted for treatment of dislocated shoulders, a dislocat ed elbow, and multiple lacerations.
Keywords: brace, carpenter, climbing, concrete, construction, decking, dislocated, elbow, fall, fall protection, frame, laceration, lost balance, shoring, shoulder, struck against, tunnel, undrgrd installation, untrained, walking
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Other heavy construction Other   15
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 1382795.015 45 M Hospitalized injury Carpenter FallDist: 15
Cause: Forming

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