Section 6 Communications
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Construction & Classification of Submersibles & Diving Systems, July 2022 - Part 7 Hyperbaric Rescue Facilities - Chapter 1 Hyperbaric Evacuation Systems - Section 6 Communications

Section 6 Communications

Parent topic: Chapter 1 Hyperbaric Evacuation Systems

6.1 General

6.1.1 If breathing mixtures containing helium or hydrogen are used, a self-contained primary communications system fitted with an unscramble device should be arranged for direct two way communication between the divers and those outside the compression chamber. A secondary communication system should also be provided.

6.1.2 In addition to the communication system referred to in Pt 7, Ch 1, 6.1 General 6.1.1 a standard bell emergency communication tapping code should be provided which meets the requirements of that specified in the Supplement to the IMO Code of Safety for Diving Systems resolution A.583 (14). Copies of the tapping code should be permanently displayed inside and outside the evacuation unit.

6.1.3 Hyperbaric evacuation units designed to be water borne should be provided with a strobe light and radar reflector.

6.1.4 Hyperbaric evacuation units designed to be placed on the seabed to await independent recovery should be provided with a strobe type light and an acoustic transponder. The transponder should be suitable for operation with a diver held interrogator-receiver which will be retained on board the parent ship. The equipment provided should meet the requirements of that specified in the Supplement to the IMO Code of Safety for Diving System-resolution A.583 (14).

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