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Section 4 Fire Extinguishing Systems
401. Fire extinguishing systems
1. Each compartment of the pressure hull is to be equipped with suitable means for extinguishing a fire in the interior by providing for the rapid and efficient distribution of the extinguishing agent to any part of the space.
2. The fire extinguishing systems are to be designed and constructed in such a way that they can safely deal with every conceivable outbreak of fire under the environmental conditions. Actuation of a fire extinguishing system may not cause any unacceptable pressure change in the space concerned.
3. Extinguishing systems include manual extinguishers or permanently installed extinguishing appliances.
4. Wherever possible, manual extinguishers are to be mounted where they are easily accessible.
Permanently installed extinguishing systems should only be capable of manual actuation and should,
as far as possible, be safeguarded against improper and accidental operation. The systems should be
actuated from outside the space to be protected and only after an alarm has space which has then been vacated by any human occupants.
5. Extinguishing agents with a toxic or narcotic effect are not permitted.
been given in the
6. Suitable means are to be provided to ensure that in any space the quantity of extinguishing agent ejected does not exceed that required to extinguish the fire.
