Section 5 Personnel safety equipment and systems
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 3 Additional Class Notations - Part 1 Ship Type Capability - Chapter 2 Provision Refrigeration - Section 5 Personnel safety equipment and systems

Section 5 Personnel safety equipment and systems

Parent topic: Chapter 2 Provision Refrigeration

5.1 Personnel safety equipment

5.1.1 Access doors to the refrigerated spaces are to open outwards and an external locking arrangement is to be provided to prevent unauthorised access.

5.1.2 Access ways to the refrigerated spaces are to be designed to facilitate escape in emergencies, and the removal of stretcher-borne personnel.

5.1.3 Access ways and refrigerated compartments are to be provided with an independent lighting system in accordance with the requirements of Vol 2, Pt 9, Ch 6, 4.3 Lighting circuits 4.3.2 and Vol 2, Pt 9, Ch 3, 4.7 Lighting circuits 4.7.1, with the means of locking the switches in the `on' position.

5.1.4 Arrangements are to be such that means of both opening the room door(s) and sounding the alarm required by Vol 3, Pt 1, Ch 2, 5.2 Personnel warning systems 5.2.2 from inside refrigerated spaces are provided.

5.2 Personnel warning systems

5.2.1 A system to monitor the well-being of crew members entering refrigerated spaces is to be provided.

5.2.2 The system is to be such that at a predetermined time, after initiation, the crew member(s) receives warning that the system is to alarm and must indicate their well-being by accepting the warning.

5.2.3 The system is to be designed and arranged such that only an authorised person has access for enabling and disabling it and setting the appropriate intervals, and such that it cannot be operated in an unauthorised manner.

5.2.4 It is to be possible to acknowledge the warning by means of illuminated switches situated near the access doors or hatches of each refrigerated space or chambers within the space.

5.2.5 In the event that the crew member(s) fails to respond and accept the warning within an agreed specified time, the system is immediately to initiate an alarm on the bridge and at the main control station, or subsidiary control stations as appropriate. Manual initiation of the alarm system from the refrigerated spaces is to be possible at any time.

5.2.6 The system is to comply with the relevant requirements of Vol 2, Pt 9, Ch 1 General Requirements for the Design and Construction of Electrotechnical Systems.

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