External safety alert - Bolt failure

Two (2) Hydratight technicians were at a customer’s facility performing a tensioning job using a HM- 13, 3” Hydramax on a Delta Clamp with 4-3" custom studs. During tensioning operations, one of the studs yielded as a result of a tension failure at the clamp, causing the tensioner to lift above the clamp (see photo 1&2). No injuries occurred as the technicians had cleared the area and made sure they were not in the line of fire.

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