Section 2 Structural Fire Protection

201. Classification of space use and structural fire protection times

1. In application to 201. of the Rules, cabinets having a deck area of less than 2 m may be ac-

cepted as part of the space they serve provided they have open ventilation to the space and do not

contain any material or equipment which could be a fire risk.

Also, in application to NOTES 1 of Table 7.1.1 and Table 7.1.2 of the Rules, the upper side of the decks of open vehicle spaces need not be insulated where the fixed pressure water-spraying fire-

2. extinguishing systems are provided.

In application to 201. (3) of the Rules, the stairways may be considered as areas of minor fire

3. hazard.

Ventilation openings may be accepted in entrance doors to public toilets if positioned in the lower portion of such doors and fitted with closable grilles operable from the public space side and made

202. Structure

1. In 202. 1 of the Rules, ships which not applied the regulations of registered country, as category A crafts and ships restricted in service area(ships with service restriction notations of equipment "C" or "S"), are applied only areas of major fire hazard in requirements of Table 7.1.1 and Table

7.1.2 .

203. Fire-resisting divisions

1. In 203. of the Rules, ships which not applied the regulations of registered country, as category A crafts and ships restricted in service area, are applied only areas of major fire hazard .

2. In application to 203. 6 of the Rules, watertight doors of steel without fire insulation may only be accepted if there is no risk of igniting combustible materials on the other side of the fire-resisting divisions in a fire, and if fastening of the door is arranged to avoid excessive heat transfer to the bulkhead.

204. Restricted use of combustible materials

1. In application to 204. 4 of the Rules, these requirements are also applied to the windows in the relevant area.

2. The requirements in 204. 7 of the Rules do not apply to ships unrestricted in service area.

205. Arrangement

1. In application to 205. 1 of the Rules, public spaces extending over two decks may be considered as one space, provided that :

(1) The mean length and width of the opening area between lower and upper part is at least 25 % of the mean length and width of the upper part of the whole space, or at least of a corre- sponding area.

(2) The sufficient means of escape are provided from both levels of the space directly leading to an adjacent safe area or compartment.

(3) The whole public spaces are protected from a compartment which installed the sprinkler systems having relief valve.

2. The requirements in 205. 2 and 3 of the Rules do not apply to ships restricted in service area.

Pt 7 Fire Protection, Detection and Extinction

Ch 1 Fire Protection Pt 7, Ch 1

207. Ventilation

1. In application to 207. 2 of the Rules, the terms "other spaces" in the wording means provided for stopping the power ventilation to the machinery space are to be separated from the means provided for stopping ventilation of other spaces" means other machinery space or other space.

209. Openings in fire-resisting divisions

1. The requirements in 209. 2 of the Rules do not apply to ships restricted in service area.

2. Special category spaces in ships engaged on domestic sea voyage are provided with the fixed fire detection and fire alarm systems, and TV monitoring systems(if not make a round of patrol con- tinuously).