Cause & Consequence
- Fall from height
WHAT CAUSED IT:
- The driller engaged the blocks and top drive allowing the safety clamp on the Kelly hose to catch the- The motorman was tied off to the crown fall device.
CORRECTIVE ACTIONS: To address this incident, this company did the following:
off to a retractable fall arrest device on the derrick board.
- Instructed all employees to tie off to the derrick board when hoisted in to position and not to stay tied- Instructed the driller that the blocks are not to be moved if the men on the derrick board are not tied
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