1 Reference should be made to resolution A.123(V) on Recommendation on fixed fire-extinguishing
systems for special category spaces; and complementary devices for
fire-extinguishing systems including instructions for maintenance
and operation.
2 The pumps should be capable of maintaining:
-
.1 half the total required application rate with
any one pump unit out of function, for category A craft; and
-
.2 the total required application rate with any
one pump unit room out of function, for category B craft.
3 Fixed fire-extinguishing systems should fulfil
the following requirements:
-
.1 the valve manifold should be provided with
a pressure gauge and each of the valves should be marked;
-
.2 instructions for maintenance and operation
of the installation should be set up in the room where the valves
are located; and
-
.3 the piping system should be provided with a
sufficient number of drainage valves.