FIRE PUMP ISOLATION REQUIREMENTS

Any part of the fire main routed through a category A machinery space must be fitted with isolating valves outside of the space. The arrangements of the fire mains must allow for fire water from the fire pumps or emergency fire pump to reach all hydrants outside of the isolated space. Isolation requirements of solas (reg.11.2/10.2.1.4.1) are not applicable to the piping from category A machinery spaces.