The machinery spaces shall in general be illuminated by single and twin tube fluorescent lighting fittings using 18 or 36 W tubes only.
An average level of illumination of at least 100 lux shall be maintained at all key parts, under normal operation conditions.
Lighting fittings supplied from the emergency system shall illuminate such key parts as main switchboard, generator platform, emergency fire pump, emergency manoeuvring stations, steering gear, stairways and exits.
Certain locations, such as light fittings at sight glasses and bilges, will require tungsten lighting fittings. These fittings shall be at least IP44.
Special attention shall be given to the location of all lighting fittings to ensure that renewal of lamps and tubes and removal of control gear trays can be achieved.
Light in engine room and workshop to be controlled from their respective exits.