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BS EN ISO 24805:2022

BS EN ISO 24805:2022

$142.49

Recreational diving services. Requirements for rebreather diver training. Decompression diving to 45 m

Published By Publication Date Number of Pages
BSI 2022 30
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This document specifies requirements for rebreather diver training programmes which provide the competencies required to perform dives with a rebreather to 40 m using a nitrox breathing mixture or to 45 m using a trimix breathing mixture, requiring mandatory decompression stops. This document specifies evaluation criteria for these competencies. This document specifies the requirements under which training is provided, in addition to the general requirements for recreational diving service provision in accordance with ISO 24803.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Competencies
5 Prerequisites for training
5.1 General
5.2 Minimum age
5.3 Diving experience
5.4 Health requirements
13 6 Introductory information
7 Theoretical knowledge
7.1 Rebreather basics
7.2 Function of rebreather components
14 7.3 Breathing performance using a rebreather
7.4 Rebreather assembly and checks
15 7.5 Gas supply duration
7.6 CO2 absorbent duration
16 7.7 Rebreather pre-water entry checks
7.8 Dive conduct
17 7.9 Decompression dives
7.9.1 General
7.9.2 Techniques
7.10 Identifying and reacting to potential issues
7.10.1 General issues
18 7.10.2 CO2-related issues
7.10.3 Actions to be taken where the diver is able to breathe from the breathing loop
7.10.4 Actions to be taken where the diver is not able to breathe from the breathing loop
7.11 Hypercapnia, hypoxia and hyperoxia
7.12 Buddy system
19 7.13 Rebreather maintenance
7.14 Maintaining knowledge and skills
8 Practical skills
8.1 General
8.2 Pre-dive procedures
20 8.3 Dive conduct
21 8.4 Emergency situations
8.5 Response to rebreather malfunctions
8.6 Post-dive procedures
22 9 Instructors
10 Training equipment and materials
10.1 Training equipment
10.2 Training materials
23 11 Practical training parameters
11.1 Training dives or in-water sessions
11.2 Instructor responsibilities
11.3 Rebreather dive leaders
24 11.4 Breathing gas limits
11.4.1 Closed-circuit rebreather
11.4.2 Semiclosed-circuit rebreather
12 ​Evaluation
12.1 Knowledge
12.2 Skill evaluation – Nitrox
12.3 Skill evaluation – Trimix
25 12.4 Proof of qualification
26 Annex A (informative) Gas density and gas mixtures
27 Bibliography

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BS EN ISO 24805:2022
$142.49