The penetration of watertight bulkheads and watertight decks by rigid non-metallic piping is prohibited except when __________.
A
using an acceptable metallic fitting, welded or otherwise is attached to the bulkhead or deck by an acceptable method
B
the rigid non-metallic plastic pipe is at least of schedule 160 and a metallic shut off valve is provided adjacent to the through deck or bulkhead fitting
C
metallic shut off valves are welded to nonmetallic hull materials
D
two non-remotely operated metallic valves are installed on either side of the deck or bulkhead regardless of accessibility
Loading interactive features...
Question 1 / 205eccef9cbacbc34ba4d45baf
Question 1 of 205eccef9cbacbc34ba4d45baf
The penetration of watertight bulkheads and watertight decks by rigid non-metallic piping is prohibited except when __________.