Question 3486 Deck General

70% to pass

The KG of the DEEP DRILLER increases from 57 feet to 59 feet while drilling at a 60 foot draft during an ice storm. What action should be taken?

A Reduce the deck load until you reach the allowable KG for draft
B Deballast to reach the allowable KG
C Continue drilling operations while waiting for the ice to melt
D Notify the USCG that the rig is temporarily above the allowable KG
AI Explanation

The correct answer is A) Reduce the deck load until you reach the allowable KG for draft. The reason this is the correct answer is that the increase in KG (from 57 feet to 59 feet) while at a 60 foot draft exceeds the allowable KG for that draft. To bring the KG back within the allowable limits, the appropriate action is to reduce the deck load, which will lower the overall KG of the vessel. The other options are incorrect because: B) Deballasting would not address the issue of the increased KG; C) Continuing operations while waiting for the ice to melt could be unsafe if the KG remains above the allowable limit; and D) Notifying the USCG is not the immediate action required, as the operator should first take steps to bring the vessel back within the allowable KG parameters.

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