Question 4476Deck General70% to pass
Before deballasting to survival draft in the event of predicted heavy weather, the DEEP DRILLER Operations Manual recommends that the mooring lines be slacked _______________.
AI Explanation
The correct answer is B) 20 feet.
Before deballasting to survival draft in preparation for heavy weather, the DEEP DRILLER Operations Manual recommends that the mooring lines be slacked 20 feet. This allows the vessel to ride higher in the water and be more responsive to wave action, reducing the risk of damage to the mooring system or the vessel itself during the heavy weather event.
The other options, such as 10 feet (A), 30 feet (C), or 40 feet (D), would either not provide enough slack (10 feet) or potentially create too much slack, which could lead to the mooring lines becoming tangled or the vessel drifting excessively (30 or 40 feet).
Related Questions
#4474 The DEEP DRILLER is engaged in wire line logging. You have 10,000 feet of drill pipe and bottom hole assembly in the set back. Marine weather forecasts are predicting weather with winds in excess of 70 knots. Your first step to prepare for the storm should be to _______________.#4475 During the passage of a severe storm, the DEEP DRILLER is at survival draft. Strong winds are blowing from the starboard. A careful load form calculation determined that, although the unit is level, the TCG is 2.0 feet to starboard. The value of the wind heeling moment is _______________.#4477 For the DEEP DRILLER, in deballasting to survival draft when threatened with heavy weather from 100 knot winds, a load form should be calculated to determine that _______________.#4478 The DEEP DRILLER is on location during a storm. Windward anchor tensions begin to exceed the test tensions. To reduce tensions while minimizing offset over the well, you should _______________.#4479 The principal action in changing from transit to survival draft in the event heavy weather threatens is _______________.