16.5.1
Provision of gas fuel
All equipment (heaters, compressors, vaporizers, filters,
etc.) for conditioning the cargo and/or cargo boil off vapour for
its use as fuel, and any related storage tanks, shall be located in
the cargo area. If the equipment is in an enclosed space, the space
shall be ventilated according to 12.1 and be equipped with a fixed
fire-extinguishing system, according to 11.5, and with a gas detection
system according to 13.6, as applicable.
16.5.2.1 All rotating equipment utilized for conditioning
the cargo for its use as fuel shall be arranged for manual remote
stop from the engine-room. Additional remote stops shall be located
in areas that are always easily accessible, typically cargo control
room, navigation bridge and fire control station.
16.5.2.2 The fuel supply equipment shall be automatically
stopped in the case of low suction pressure or fire detection. Unless
expressly provided otherwise, the requirements of 18.10 need not apply
to gas fuel compressors or pumps when used to supply gas consumers.
16.5.3
Heating and cooling mediums
If the heating or cooling medium for the gas fuel conditioning
system is returned to spaces outside the cargo area, provisions shall
be made to detect and alarm the presence of cargo/cargo vapour in
the medium. Any vent outlet shall be in a safe position and fitted
with an effective flame screen of an approved type.
16.5.4
Piping and pressure vessels
Piping or pressure vessels fitted in the gas fuel supply
system shall comply with chapter 5.