3. A suitable fixed foam system is to be provided. The system is to be capable of delivering foam solution at a rate of not less than 6.5 m -min (4.1 m -min for Aqueous Film Forming Foam or Film-Forming Fluoroprotein Foam) for 15 minutes. Alternatively, a gas fixed fire ex- tinguishing system may be used for enclosed mud processing spaces.

306. Portable fire extinguishers in accommodation, service, machinery and working spaces

1. Except for the supplemental arrangements provided in Par 2, portable fire extinguishers in accom- modation spaces, service spaces, control stations, machinery spaces of category A, other machinery spaces, cargo spaces, weather deck and other spaces should be provided in number and arrangement in accordance with Pt 8, Ch 3, 402. 2 of Guidance Relating to the Rules for the Classification of Steel Ships.

2. Table 10.3 contains supplemental recommendations for number and distribution of additional port- able fire extinguishers on units. Where the recommendations in Table 10.3 differ from Pt 8, Ch 3, 402. 2 of Guidance Relating to the Rules for the Classification of Steel Ships, the provi- sions of Table 10.3 is to be followed. Classes of extinguishers are to be in accordance with Res.A 951(23).

307. Fire detection and alarm system