1,Raft connected to HRU ensuring that the painter does not by pass the weak link, or the raft will not break loose from the ship
2,HRU release lashing's depth approx 1.5-4 mtrs
3,Raft inflates weak link breaks
The space between the primary and secondary membranes is called the interbarrier space and is kept filled with nitrogen at low pressure.
3 in evry L/B
one for each prson onboard
50% for passengr vessl on int voyage
30% for short voyages
vessls in voyage of warm climate-3
