Section 2 Performance requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 9 Electrotechnical Systems - Chapter 6 Lighting - Section 2 Performance requirements

Section 2 Performance requirements

2.1 Performance requirements

2.1.1 The siting of light fittings is to consider the transfer of heat to adjacent surfaces.

2.1.2 Illumination levels are to meet operational requirements.

2.1.3 System design intent of the lighting system is to permit the vessel to be operated in accordance with the CONOPS.

2.1.4 Main lighting systems are to provide a suitable level of illumination to allow:

  1. safe access to areas of the vessel that require it for normal operations;

  2. operation and control of the vessel.

2.1.5 The lighting systems are to be arranged such that a single failure will not cause total loss of illumination in any attended compartment.

2.1.6 In the event of loss of main lighting, at locations where illumination must be maintained for operational purposes, transitional lighting shall be provided. The transitional lighting is to be available for a period acceptable to the Naval Administration.

2.1.7 To meet operational requirements, lighting levels are to be controllable locally.

2.1.8 Operational lighting shall be provided in areas where there is an operational requirement for different levels of illumination from that provided by the main lighting system.

2.1.9 Emergency lighting shall provide sufficient illumination to locations essential for any Escape, Evacuation and Rescue.

2.1.10 The lighting system design intent shall:

  1. provide arrangements such that sufficient illumination is provided under foreseeable abnormal conditions to enable embarked persons to locate escape routes, escape exits, muster stations (if provided) and evacuation stations.

  2. enable emergency lighting to operate for a period as necessary to complete all Escape, Evacuation and Rescue activities.

  3. ensure that the emergency lighting has minimised susceptibility to damage.

2.1.11 System design intent of the navigational lights shall provide arrangements such that sufficient illumination is provided under normal and foreseeable abnormal conditions to enable the vessel to display the proper light configuration in compliance with the International Regulations for Preventing Collisions at Sea (COLREGS) in force.


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