Fixed fire detection and fire alarm system should have,
> Manually operated call points shall be capable of immediate operation
> Not be used for any other purpose, except that closing of fire doors
> Suitably designed to withstand supply voltage variation and transients, ambient temperature changes, vibration, humidity, shock, impact and corrosion normally encountered in ships
> Capacity to ensure that any fault occurring in the loop will not render the whole loop ineffective
> Capable of restoring initial configuration in case of power failure
> No loop shall pass through same space twice
> Two power sources
> Suitable instructions and component spares for testing and maintenance shall be provided
Heat Detectors
> Max floor area per detector: 37 m2
> Max distance apart between centre: 9 m
> Max distance away from bulkhead: 4.5 m
Smoke Detectors
> Max floor area per detector: 74 m2
> Max distance apart between center: 11 m
> Max distance away from bulkhead: 5.5 m
