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AS/NZS 2299.1:2015


Occupational diving operations, Part 1: Standard operational practice

Provides organizational and logistical requirements for the conduct of occupational diving operations, including the use of compressed gas supply apparatus, and specific requirements for the use of surface-supplied breathing apparatus (SSBA) and self-contained underwater breathing apparatus (SCUBA) in occupational underwater operations at depths not exceeding 50m (165ft).
Published: 21/12/2015
Pages: 118
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 Normative references
1.5 Definitions
1.6 Relationship with legislation
1.7 Units of measure
2 Personnel, training and records
2.1 Dive supervisor
2.1.1 General
2.1.2 Qualification and training of dive supervisors
2.1.3 Duties of dive supervisors
2.2 Diver
2.3 Diver’s attendant
2.4 Standby diver
2.4.1 General
2.4.2 Two divers in the water
2.4.3 Dive profile
2.5 First aid training for dive teams
2.5.1 Dive supervisor
2.5.2 Divers and attendants
2.5.3 Maintenance of first aid competency
2.6 Records
2.6.1 Retention of records
2.6.2 Diver
2.6.3 Employer
2.6.4 Plant records
3 General procedures and equipment
3.1 Organization and planning
3.1.1 General
3.1.2 Consultation
3.1.3 Diving operations manual
3.1.4 Dive plan/Safe work method statement (SWMS)
3.1.5 Fitness to dive
3.2 Selection of breathing apparatus
3.3 Surface conditions
3.3.1 General
3.3.2 Adverse conditions
3.4 In-water conditions
3.4.1 General
3.4.2 Contaminated environments
3.5 Depth of water
3.6 Communications
3.6.1 General
3.6.2 Lifeline signals
3.6.3 Winches, haulers, hoists and cranes
3.6.4 Emergency support
3.7 Water temperature
3.8 Diving equipment
3.8.1 General
3.8.2 User responsibilities
3.8.3 Inspection
3.8.4 Cleaning and storage
3.9 First aid and medical equipment
3.9.1 General
3.9.2 Oxygen resuscitation equipment
3.10 Dive site requirements
3.10.1 General
3.10.2 Signals
3.11 Decompression and dive tables
3.11.1 General
3.11.2 Decompression in water
3.11.3 Use of oxygen in decompression procedures
3.11.4 Repetitive diving
3.11.5 Multi-level diving
3.11.6 Multiple bounce diving
3.11.7 Omitted decompression
3.11.8 Diving at altitude
3.11.9 Exceptional exposure diving
3.12 Diving before or after travel
3.12.1 Diving after travel
3.12.2 Travel after diving
3.12.3 After decompression illness
3.13 Diver’s equipment
3.13.1 Diving suit and accessories Diving suit Diver’s knife
3.13.2 Buoyancy management equipment Selection of buoyancy management equipment Buoyancy control devices Weights or weight belts Weighted boots
3.13.3 Harnesses
3.13.4 General requirements for breathing apparatus
3.13.5 Requirements for component parts of breathing apparatus General Material contacting skin Incompressible helmet Full-face mask Half-face mask Mouthpiece Head harness Retention strap Diver’s hose Couplings and fittings Diver’s hose and coupling assembly Inlet and exhaust valves Demand gas supply device Cylinders General Diver’s breathing air cylinders Other oxygen-nitrogen mixtures
3.13.6 Lifeline
3.13.7 Standby diver’s equipment
3.14 Pressure gauges
3.14.1 General
3.14.2 Inspection, validation, calibration and testing
3.14.3 Calibration of gauge testing instruments
3.15 Pneumatic tools
4 Breathing gas quality
4.1 General
4.2 Water content
4.3 Testing of low pressure air for water content
4.4 Breathing gas composition
4.4.1 Odour and taste
4.4.2 Breathing air
4.4.3 EAN gas mixtures
4.4.4 Oxygen-compatible air
4.5 Systems for ensuring quality of breathing gas
4.5.1 General
4.5.2 High pressure cylinders
4.5.3 Low pressure compressors
4.6 Testing
5 Compression (recompression) chambers
5.1 Compression chamber support of diving
5.1.1 Availability of compression (recompression) chamber support
5.1.2 Requirement for an on-site chamber
5.1.3 Recompression chamber type, staffing and operation
5.1.4 Risk management for diving without a dive site chamber
5.2 Chamber design, construction, fittings and services
5.2.1 General
5.2.2 Fittings and services
5.2.3 Chamber venting system
5.2.4 Gas supplies to the chamber General Air supply system Oxygen supply system
5.2.5 Electrical requirements
5.2.6 Gas cylinders
5.2.7 Shading or thermal insulation
5.2.8 Miscellaneous recommendations
5.3 Chamber operation
5.3.1 General
5.3.2 Chamber atmosphere
5.3.3 Hazardous materials
5.3.4 Personnel requirements General Routine decompressions 100% oxygen breathing
5.3.5 Emergency procedures
5.4 Medical equipment
5.4.1 General
5.4.2 Thermometers
5.4.3 Other equipment
5.4.4 Remote diving operations
5.5 Transfer under pressure (TUP)
5.5.1 General
5.5.2 Risks associated with transportable chambers and TUP operations
5.5.3 Emergency transport chambers
5.6 Contingency planning for ‘worst case scenario’ chamber operations
6 Specific requirements for SSBA diving operations
6.1 General
6.2 Personnel required
6.2.1 General
6.2.2 Dives in water depths to 1.5 m
6.2.3 Dives in water depths to 7 m in highly controlled environments
6.2.4 Dive depths to 20 m
6.2.5 Dive depths over 20 m but not deeper than 30 m
6.2.6 Dive depths greater than 30 m
6.2.7 Two or more divers in the water
6.3 Rate of ascent
6.4 Equipment
6.5 Compressed breathing gas supply
6.5.1 Partial pressure of oxygen
6.5.2 Sources
6.5.3 Working pressure
6.5.4 Breathing gas supplies Primary and secondary gas supplies Gas supply system design Emergency gas supply
6.5.5 Control system Gas control system Diver depth monitoring system Control panel
6.6 Air compressor systems
6.6.1 General
6.6.2 Air receivers
6.6.3 Pressure relief devices
6.6.4 Filtration, drying and odour absorption
6.6.5 Safety and monitoring systems
6.6.6 Supply lines
6.6.7 Operation and maintenance
6.7 Cylinder gas systems
6.8 Hookah
7 Specific requirements for scuba diving operations
7.1 General
7.2 Restricted use of scuba
7.2.1 General
7.2.2 Exceptions
7.3 Personnel required
7.3.1 General
7.3.2 Dives in water depths up to 1.5 m
7.3.3 Dives in water depths to 7 m in highly controlled environments
7.3.4 Dive depths up to 30 m
7.4 Equipment
7.4.1 Components
7.4.2 Requirements for component parts Cylinder valves Gas supply safety warning system Cylinder contents gauge
7.5 Lifelines and float lines
7.5.1 General
7.5.2 Attachment
7.5.3 Handling of float lines
8 Specific requirements for EAN diving operations
8.1 General
8.2 Oxygen-compatible air
8.3 Equipment
8.3.1 General
8.3.2 Cylinders
8.3.3 Compressors
8.3.4 Lubricants
8.4 EAN breathing gas supply for SSBA
8.4.1 General
8.4.2 Breathing gas supplies Primary and secondary EAN gas supplies Tertiary air gas supply Emergency gas supply
8.4.3 Control system Gas control system Control panel Oxygen monitoring
8.4.4 Cleaning
8.5 Selecting an EAN mix
8.6 Preparation of EAN mixtures
8.6.1 General
8.6.2 Validation of oxygen level in EAN mix
8.6.3 Pre-mix
8.6.4 Blending compressed oxygen with air in cylinders
8.6.5 Blending oxygen with compressed air prior to compression
8.6.6 Blending oxygen with ambient air prior to compression
8.6.7 Continuous flow mixing of compressed gases
8.6.8 Removing nitrogen from air
8.7 Compressors for EAN
8.8 Methods and recording of gas analysis
9 Accident reporting
9.1 Accident report
9.2 Investigation of accidents and incidents
10 Medical requirements
10.1 Introduction
10.2 Medical assessment
10.2.1 General
10.2.2 Candidate
10.2.3 Medical practitioner
10.2.4 Record of examination
10.2.5 Imposition of diving restrictions
Appendix A
A1 Introduction
A2 Commonwealth government authority (Australia)
A3 Australian state and territory government authorities
A3.1 Australian Capital Territory
A3.2 New South Wales
A3.3 Northern Territory
A3.4 Queensland
A3.5 South Australia
A3.6 Tasmania
A3.7 Victoria
A3.8 Western Australia
A4 New Zealand government authority
Appendix B
Appendix C
Appendix D
D1 Definitions
D2 Hazard identification
D3 Risk assessment
D3.1 General
D3.2 Process
D3.3 Basis for an assessment
D3.4 Factors for consideration
D3.5 Record of assessment
D4 Risk control
D4.1 General
D4.2 Control measures
D5 Risk assessment and control—further information and forms
Appendix E
E1 General
E2 Responsibilities, duties and competency of persons involved in the diving operation
E3 Plant used in the diving operation
E4 Diving procedures
E5 Diving emergencies
E6 Associated activity and other hazards
Appendix F
F1 Introduction
F2 Diagnosis
F2.1 Decompression illness
F2.2 Decompression sickness
F2.3 Arterial gas embolism (AGE)
F3 First aid
F3.1 100% oxygen
F3.2 Position
F3.3 Basic life support
F3.4 Other therapy
F4 Recompression therapy
F5 Oxygen treatment table
F5.1 General
F5.2 Use of initial oxygen treatment table (RN Table 62, USN Table 6)
F5.3 Oxygen administration routine practices
F5.4 Fire warning
F6 Personnel limitations following treatment
F7 Short oxygen tables for omitted decompression
Appendix G
G1 Scope
G2 Recommendations
Appendix H
Appendix I
Appendix J
J1 Scope
J2 Lifeline signals
J2.1 Manual signals
J2.2 Types of signals
J2.3 Pulls and bells
J2.4 Signalling procedure
J2.5 Acknowledgments
J2.6 Delays
J2.7 Fouled lines
J2.8 Interpretation of signals
J2.9 Two bells signals
J3 Commonly used signals
J3.1 Attendant to diver
J3.2 Diver to attendant
Appendix K
Appendix L
Appendix M
M1 Introduction
M2 General
M3 Training in underwater medicine
M4 Fitness criteria
M4.1 General
M4.2 Age
M4.3 Obesity
M4.4 Skin
M4.5 Vision
M4.6 Ear, nose and throat
M4.7 Hearing
M4.8 Teeth
M4.9 Central nervous system
M4.10 Cardiovascular system
M4.11 Respiratory system
M4.12 Gastrointestinal tract
M4.13 Musculoskeletal function
M4.14 Endocrine system
M4.15 Screening for dysbaric osteonecrosis (long bone X-rays and radioisotope scans)
M4.16 Mental health
M4.17 Other criteria
Appendix N
N1 General
N2 Australian hyperbaric units
N3 New Zealand hyperbaric units
Cited references in this standard
Training and certification of occupational divers, Part 5: Dive supervisor
Gas cylinders for industrial, scientific, medical and refrigerant use — Labelling and colour coding
Personal eye protection, Part 1: Eye and face protectors for occupational applications
Filling of portable gas cylinders, Part 2: Filling of portable cylinders for self-contained underwater breathing apparatus (SCUBA) and non-underwater self-contained breathing apparatus (SCBA) — Safe procedures
AS 2815
Training and certification of occupational divers (series)
Content history
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