Industry
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Investigation of the January 10, 2020, Scaffold Collapse in Saipan, Commonwealth of the Northern Mariana Islands

Three employees were working on a scaffold attached on the fourth floor of a hotel, when the cables supporting the scaffold suddenly failed and the scaffold collapsed. The scaffold, approximately 17 feet long and 15 feet wide, was attached to the building and was being used to transfer materials into the building. At the time of the collapse, the employees were moving materials from the scaffold into the building. The employees and materials fell 10 feet to the concrete floor below resulting in three employees being injured.
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For problems with accessibility in using figures and illustrations, please contact the DOC at 202-693-2020.

Investigation of the April 14, 2021, Collapse of a Bridge Span under Demolition, Herbert C. Bonner Bridge, Dare County, NC

The last span of the Herbert C. Bonner Bridge (Bonner Bridge) under demolition collapsed in Dare County, North Carolina. An employee engaged in the steel cutting, was killed. The collapsed span was the navigation span of the Bonner Bridge measuring 180 feet long, 24 feet wide, and approximately 60 feet above sea level.
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For problems with accessibility in using figures and illustrations, please contact the DOC at 202-693-2020.

Investigation of the November 8, 2021, Partial Collapse of Wood Roof Trusses during Construction of Dollar General Store, Orange City, Florida

Wood roof trusses collapsed during installation and fell onto the ground floor where a Dollar General store was under construction. The roof framing consisted of 66 wood piggyback base trusses spanning 70 feet. Two employees were injured after falling approximately 12 feet and a third employee cutting lumber inside the building, was fatally crushed by the falling trusses.
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