C.3 Air pipes

C.3 Air pipes
Parts of tank pressure-equalizing systems not dealt with in these Regulations, see GL Rules for Hull
Structures (I-1-1), Section 21, E
C.4 Air trunks
Parts of the hull which may either themselves be used to conduct air or which contain air ducts as well as
other lines (pipes, cables).
C.5 Approved type
The term "Approved" relates to a material or construction, for which GL has issued an Approval Certificate.
A type approval can be issued on the basis of a successful standard fire test, which has been carried
out by a neutral and recognized fire testing institute.
C.6 Cargo spaces
All spaces used for cargo, cargo oil tanks, tanks for other liquid cargo and trunks to such spaces.
C.7 Closed ro-ro cargo spaces
All ro-ro cargo spaces which are neither open ro-ro cargo spaces nor weather decks.