Bulkheads Flashcards
1
Q
Fire divisions onboard, Class A and Class B bulkheads and where they are located?
A
Class A is constructed as to be capable of preventing the passage of smoke and flame to the end of the 60 minute standard fire test.
A60
Located in ER, Machinery Spaces, Cargo holds
Class B constructed as to be capable of preventing the passage of flame to the end of the first 30 minutes of the standard fire test
B30
Located in accommodation spaces, corridors, stairwells
2
Q
What are the lagging specifications?
A
In this test a bulkhead sample is exposed to a test furnace with temperatures as follows:
At the end of first
5 minutes 538 degrees C
10 minutes 704 degrees C
30 minutes 843 degrees C
60 minutes 927 degrees C
