Section 6 Personnel safety equipment and systems
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Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 7 Other Ship Types and Systems - Chapter 15 Refrigeration Systems and Equipment Serving Provision Stores and Air-Conditioning Installations - Section 6 Personnel safety equipment and systems

Section 6 Personnel safety equipment and systems

Parent topic: Chapter 15 Refrigeration Systems and Equipment Serving Provision Stores and Air-Conditioning Installations

6.1 Personnel safety equipment

6.1.1 Access doors to the refrigerated spaces are to open outwards, alternatively sliding doors may be used where the door is external to the space.

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

6.1.3 Access ways and refrigerated compartments are to be provided with an independent lighting system in accordance with the requirements of Pt 6, Ch 2, 5.7 Lighting circuits 5.7.2 and Pt 6, Ch 2, 5.7 Lighting circuits 5.7.4, with the means of locking the switches in the ‘on’ position.

6.1.4 Arrangements are to be such that means are provided for both opening the room door(s) and sounding the alarm required by Pt 7, Ch 15, 6.2 Personnel warning systems 6.2.2 from inside refrigerated spaces.

6.1.5 Where ammonia is used in refrigerating systems, the following items of safety equipment are to be provided as a minimum, and positioned in accessible protected storage (e.g. locked glass fronted cabinets) located outside the machinery compartment:

  1. Two sets of ammonia protective clothing (including helmet, boots and gloves).

  2. Two portable battery powered hand lamps (to be of certified safe-type).

  3. Two sets of self-contained breathing apparatus (compressed air).

  4. Two full face mask respirators.

  5. Two fire-resistant life-lines.

  6. Two firemen’s axes.

  7. Two heavy duty adjustable spanners.

  8. Two wheel wrenches.

  9. Irrigation facilities or eye wash bottles containing an eye wash solution, distilled water or non-carbonated mineral water.

  10. Hand or foot-operated douches providing a copious supply of clean water, located outside the compartment’s doors.

6.2 Personnel warning systems

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

6.2.2 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.

6.2.3 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.

6.2.4 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.

6.2.5 In the event that the crew member(s) fails to respond and accept the warning within an agreed specified time, the system is to immediately 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.

6.2.6 The system is to comply with the relevant requirements of Pt 6, Ch 1 Control Engineering Systems.

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