SAFETY OF LIFE AT SEA C69 



inlets drawing in smoke simultaneously is minimised. At the discretion of 

 the Administration, such requirements need not apply to spaces situated on, 

 and opening on to, an open deck, or where local closing arrangements would 

 be equally effective. 



Regulation 48 



Details of Construction {Methods I and III) 

 {a) Method I 



Except in cargo spaces, mail rooms, baggage rooms, or refrigerated 

 compartments of service spaces, all linings, grounds, ceilings and insulations 

 shall be of incombustible materials. The total volume of combustible facings, 

 mouldings, decorations and veneers in any accommodation or public space 

 shall not exceed a volume equivalent to one-tenth inch (or 2 54 millimetres) 

 veneer on the combined area of the walls and ceiling. All exposed surfaces 

 in corridors or stairway enclosures and in concealed or inaccessible spaces 

 shall have low flame spread characteristics. 



(/)) Method in 



The use of combustible materials of all kinds such as untreated wood, 

 veneers, ceilings, curtains, carpets, &c. shall be reduced in so far as it is 

 reasonable and practicable. In large public spaces, the grounds and supports 

 to the linings ancj, ceilings shall be of steel or equivalent material. All exposed 

 surfaces in corridors or stairway enclosures and in concealed or inaccessible 

 spaces shall have low flame spread characteristics. 



Regulation 49 



Miscellaneous Items {Methods I, II and III) 



Requirements applicable to all parts of the ship 



{a) Paints, varnishes and similar preparations having a nitro-cellulose or 

 other highly inflammable base shall not be used. 



{b) Pipes penetrating " A " or " B " Class divisions shall be of a material 

 approved by the Administration having regard to the temperature such 

 divisions are required to withstand. Pipes conveying oil or combustible 

 liquids shall be of a material approved by the Administration having regard 

 to the fire risk. Materials readily rendered ineffective by heat shall not be 

 used for overhead scuppers, sanitary discharges, and other outlets which are 

 close to the water line and where the failure of the material in the event of 

 fire would give rise to danger of flooding. 





Ch. 2 



