10.2.1 A vessel should have at least one hand
bilge pump and one engine driven or independent power bilge pump,
situated in not less than two separate spaces . All pumped spaces
should be capable of being drained after the failure of one pump.
10.2.2 For motor vessels, all compartments shall
be able to be drained when the vessel is heeled up to an angle of
+/- 10 degrees.
10.2.3 For vessels carrying cargo exceeding 1000kg,
towing or carrying out lifting operations (excluding own anchors),
in addition to the above, the bilge pumps should have a combined capacity
of not less than 210 litres per minute. One pump should be power driven
with a capacity not less than 140 litres per minute, and the other(s)
may be hand pump(s) suitable for the suction lift head and of capacity
not less than 70 litres per minute.