Description of Incident
As the 90ft Wireline Mast was rigged up in preparation for operations, a dropped object was reported within the restricted access area.
The area was secured and a sweep of the worksite performed, leading to the discovery of a mast column stop plate and four sheared 12mm HEX bolt heads, with a further 2 bolt heads later identified.
The stop plate weighing 1.8 kg had become detached from its position and dropped 19.8m / 65ft to deck.
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