Iranian Classification Society Rules

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Section 2 Fire Detection and Extinction


201. Fire detection and extinguishing systems


1. The requirements in 201. 2 (1) (O) (a) of the Rules are considered satisfied by arranging the loop

such with

that detectors, indicating units and control panel of each section are grouped in accordance

201. 2 (1) (D) and (F) will not pass through a space, or a part of a space, covered by a

detector more than once.


2. The requirements in 201. 2 (1) (O) (b) of the Rules are considered satisfied when a fault occur- ring in the loop only render ineffective a part of the loop. This part of the loop is not to be larg- er than a section in a system which is without means of remotely identifying each detector.


3. In application to 201. 4 of the Rules, As category A passenger craft a ship not engaged on inter- national sea voyages, this ship of less than 30 m length and distance between control station and centralized fire fighting controls of not more than 15 m may be accepted to centralize the fire

fighting equipment and controls for the machinery spaces in a different location than the main con- trol station, provided equivalent fire fighting abilities and overall safety can be documented.


4. In application to 201. 5 of the Rules, a ship not engaged on international sea voyages and used gas as the extinguishing medium are to be provided with the sufficient quantity of gas for one dis-

charge


5. In application to 201. 6 (1) (H) of the Rules, for gas turbines that are fitted in a dedicated enclo- sure of ships restricted in service area, automatic release of fire-extinguishing medium inside the

enclosures are taken to avoid any risk of automatic release when persons are present in the pro- tected space.


6. In application to 201. 8 (1) of the Rules, a ship not engaged on international sea voyages are ar- ranged at least one pump or more.


7. The requirements in 201. 8 (2) of the Rules do not apply to ships of 1,000 gross tonnage and up- wards restricted in service area


8. In application to 201. 8 (3) of the Rules, for a ship not engaged on international sea voyages(ex- cept for category B passenger craft), isolating valves to separate the section of the fire main within

the fire pump space from the rest of the system are not required if the fire pumps are located in areas of minor fire hazard. However valves are to be fitted to prevent the possibility that a failure in one fire pump may the whole system out of service.


202. Protection of special category and ro-ro spaces


1. The requirements in 202. 2 (1) of the Rules do not apply to a ship not engaged on international sea voyages.


203. Fire control plans


1. In application to 203. 1 of the Rules, fire control plans for a ship not engaged on international sea voyages may not be included a translation of English or French language.


204. Fire-fighter's outfits


1. In application to 204. of the Rules, for a ship not engaged on international sea voyages, ships hav- ing special category spaces are to carry at least two fire-fighter's outfits and other ships are to car- ry at least one fire-fighter's outfits.


2. The requirements in 204. 1 (1) to (3) of the Rules do not apply to a ship not engaged on interna- tional sea voyages.

Pt 7 Fire Protection, Detection and Extinction

Ch 2 Fire Detection and Extinction Pt 7, Ch 2

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