3.2 A rigid, inflated and rigid/inflated fast
rescue boat should be constructed in such a way that, when suspended
by its bridle or lifting hook:
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.1 it is of sufficient strength and rigidity to
enable it to be lowered and recovered with its full complement of
persons and equipment;
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.2 it is of sufficient strength to withstand a
load of 4 times the mass of its full complement of persons and equipment
at an ambient temperature of 20±3°C, with all relief valves
inoperative.
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.3 it is of sufficient strength to withstand a
load of 1.1 times the mass of its full complement of persons and equipment
at an ambient temperature of -30°C, with all relief valves operative;
3.3 Rigid, inflated and rigid/inflated fast rescue
boats should be so constructed as to be capable of withstanding exposure:
3.4 In addition to complying with the requirements
of SOLAS Regulation III/41.9, rigid,
inflated and rigid/inflated fast rescue boats should be marked with
a serial number, the maker's name or trade mark and the date of manufacture.
3.5 The buoyancy of a rigid, inflated and rigid/inflated
fast rescue boat should be provided by either a single tube subdivided
into at least five separate compartments of approximately equal volume
or two separate tubes neither exceeding 60% of the total volume. The
buoyancy tubes should be so arranged that, in the event of any one
of the compartments being damaged, the intact compartments should
be able to support the number of persons which the fast rescue boat
is permitted to accommodate, each having a mass of 75 kg, when seated
in their normal positions with positive freeboard over the fast rescue
boat's entire periphery.
3.6 The buoyancy tubes forming the boundary of
the rigid, inflated and rigid/inflated fast rescue boat should, on
inflation, provide a volume of not less than 0.17 m3 for
each person the fast rescue boat is permitted to accommodate.
3.7 Each buoyancy compartment should be fitted
with a non-return valve for manual inflation and means for deflation.
A safety relief valve should also be fitted unless the Administration
is satisfied that such an appliance is unnecessary.
3.8 Underneath the bottom and on vulnerable places
on the outside of the rigid, inflated and rigid/inflated fast rescue
boat, rubbing strips should be provided to the satisfaction of the
Administration.
3.9 Where a transom is fitted it should not be
inset by more than 20% of the overall length of the fast rescue boat.
3.10 Suitable patches should be provided for securing
the painters fore and aft and the becketed lifelines inside and outside
the fast rescue boat.
3.11 The inflated fast rescue boat should be maintained
at all times in a fully inflated condition.