Alert 08 – 39 Dropped Object: Thermal Tree Cap (TEA Cosy) Falls Resulting in Fatality

Alert 08 – 39 Dropped Object: Thermal Tree Cap (TEA Cosy) Falls Resulting in Fatality

WHAT HAPPENED:

The operation was utilizing a rig crane to move a subsea tree from the storage bay to the transport trolley. When the tree was approximately 20 inches (50.8 cm) above the trolley, a crane failure resulted in a non-powered descent of the tree to the trolley. As a result, the unsecured thermal cap was dislodged from its pedestal and fell, fatally striking an employee involved in the task. The thermal cap weighed approximately 980 pounds.

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