SOLAS requirements for fixed fire detection and fire alarm system present on board:
- The system should not be used for any other purpose except for closing of fire doors etc.
- Zone address identification.
- First initiated fire alarm shall not prevent any other detector to initiate further alarms.
- Minimum 2 sources of power supply to the system.
- Activation of any detector or a manually operated call point shall initiate a visual and audible alarm at the control panels.
- If the alarm on the alarm panel is not acknowledged in 2 mins then general alarm shall sound.
- Control panel to be placed on the bridge or the continuously manned control station.
- When the bridge is unmanned, the alarm shall sound in a place where a responsible member of the crew is on duty.
- Manually activated call points. One at each exit and max distance between 2 to be 20m.
- Installed in periodically unmanned machinery spaces.
- Where the main propulsion and associated machinery is present despite of being manned.