Maryland

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Maryland State Plan

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Investigation of the May 23, 2013 Partial Collapse of a Prestressed Concrete Double Tee at Montgomery Mall in Bethesda, MD

A construction incident occurred on May 23, 2013, at approximately 1:45 p.m., when a prestressed concrete double tee partially collapsed while it was being jacked, killing one employee and injuring another. The double tee was 60 ft. long and 9 ft. wide, with a depth of 2 ft. 3 in. and a slab thickness of 4 inches. The weight of the double tee was approximately 42,800 pounds. The incident site was the Westlake Garage of the Westfield Montgomery Mall in Bethesda, MD.

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Maryland State Plan

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Initial Approval: July 5, 1973 (38 FR 178

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