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Q12. With reference to structural fire protection in passenger ship accommodation spaces:
(a) define the meaning of Class A bulkheads, stating the requirements; (3)
(b) discuss the design of ventilation systems to prevent the spread of smoke and fire; (5)
(c) explain how the integrity of the bulkhead is retained with respect to ventilation trunkings, where A Class bulkhead have to be penetrated. (2)
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