9.5.1 Where main or auxiliary oil-fired boilers
and other fired processes of equivalent thermal rating are situated,
or in spaces containing oil fuel units or settling tanks, the unit
should be provided with the following:
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.1 One of the following fixed fire-extinguishing
systems:
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.1 a pressure water-spraying system complying
with Regulation 11 of Chapter II-2 of the 1974 SOLAS Convention;
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.2 a fire-extinguishing installation complying
with Regulation 8 of Chapter II-2 of the 1974 SOLAS Convention;
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.3 a system discharging a halogenated hydrocarbon
of a type acceptable to the Administration; or
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.4 a high expansion foam installation complying
with Regulation 10 of Chapter II-2 of the 1974 SOLAS Convention.
Where the machinery space and spaces containing fired
processes are not entirely separate, or if fuel oil can drain from
the latter spaces into the machinery space, the combined machinery
space and fired process space should be considered as one compartment.
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.2 At least two approved portable foam extinguishers
or equivalent in each space containing a fired process and each space
in which a part of the oil fuel installation is situated. In addition,
at least one extinguisher of the same description with a capacity
of 9 litres for each burner, provided that the total capacity of the
additional extinguisher or extinguishers need not exceed 45 litres
for any one space.
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.3 A receptacle containing sand, sawdust impregnated
with soda, or other approved dry material in such quantity as may
be required by the Administration. Alternatively, an approved portable
extinguisher may be substituted.
9.5.2 Spaces containing internal combustion machinery
used either for main propulsion or for other purposes, when such machinery
has a total power output of not less than 750 kilowatts, should be
provided with the following arrangements:
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.1 One of the fixed arrangements required by 9.5.1.1;
and
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.2 One approved foam-type extinguisher of not
less than 45 litres capacity or equivalent in every engine space and
one approved portable foam extinguisher for each 750 kilowatts of
engine power output or part thereof. The total number of portable
extinguishers so supplied should be not less than two and need not
exceed six.
9.5.3 The Administration should give special consideration
to the fire-extinguishing arrangements to be provided in spaces not
fitted with fixed fire-extinguishing installations containing steam
turbines which are separated from boiler rooms by watertight bulkheads.
9.5.4 Where, in the opinion of the Administration,
a fire hazard exists in any machinery space for which no specific
provisions for fire-extinguishing appliances are prescribed in 9.5.1
to 9.5.3, there should be provided in, or adjacent to, that space
a number of approved portable fire extinguishers or other means of
fire extinction to the satisfaction of the Administration.