In preparation for an extended yard period, you are reviewing your ship's plans. You notice several bulkheads are labeled A60. What is indicated by the label A60?

Question

Accepted Answer

Fire division boundary, A Class, with insulation that will limit temperature rise to below the allowable level for 60 minutes.

Answer

Materials meeting construction yard specification A60.

Answer

Damage stability bulkhead, A Class, with bulkhead strength that will limit flooding for 60 minutes.

Answer

Fire division boundary, A Class, with insulation that will limit temperature rise to below the allowable level for 60 seconds.

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