Unit of competency Outline

Date retreived
24/07/2026 5:15 AM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Dive using closed-circuit breathing apparatus (HeO2) in open water to a maximum depth of 60 metres

Dive using closed-circuit breathing apparatus (HeO2) in open water to a maximum depth of 60 metres

Unit of competency
National Code
DEFWDV022
State Code
OEF49
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
21/10/2022
State Implementation and Classification
Approved Date
28/11/2022
Field of Education
031799 - Maritime Engineering And Technology, N.e.c.
Original Release Date
28/11/2022
Nominal Hours
0
Description
This unit describes the performance outcomes, skills and knowledge required to dive using closed-circuit breathing apparatus (CCBA) (HeO2) in an open water environment to a maximum depth of 60 metres.It includes operating the HeO2 compressor or hand-booster pump, inspecting and operating CCBA (HeO2) equipment, and conducting CCBA (HeO2) specific contingency drills.This unit relates, in part, to existing standards in the Australian Diver Accreditation Scheme (ADAS).This unit applies to persons working as Defence Divers but could also apply to others working as work divers.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies, dive plan and procedures must be consulted and adhered to.Persons undertaking this unit work independently and perform specific tasks in a range of contexts that could be unpredictable.No licensing, legislative or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1 Operate an HeO2 compressor or hand-booster pump
  • 1.1 Inspect compressor and associated equipment for serviceability and correct gas make-up in accordance with dive brief
  • 1.2 Fit appropriate protective equipment in accordance with organisational procedures
  • 1.3 Charge HeO2 gas cylinders to maximum working pressure and record details in relevant logs in accordance with organisational procedures
  • 1.4 Conduct operator level maintenance on HeO2 compressor and report faults, as required, in accordance with organisational procedures
  • 1.5 Undertake compressor post-activity serviceability checks in accordance with manufacturer specifications and report defects, as required, in accordance with operational requirements
2 Conduct dive operations
  • 2.1 Select, inspect and fit CCBA (HeO2), and conduct apparatus test as part of dive preparations prior to entering water and in-water, in accordance with dive plan
  • 2.2 Undertake dive activities using CCBA (HeO2) and demonstrate relevant dive contingencies in accordance with organisational procedures and dive plan
  • 2.3 Maintain situational awareness of other divers during dive operations
  • 2.4 Conduct a mid-water casualty handover between an HeO2 standby diver and a breathing gas standby diver, in accordance with dive plan
  • 2.5 Undertake CCBA HeO2 equipment post-dive activity serviceability checks in accordance with manufacturer specifications and report defects, as required, in accordance with operational procedures.
No information
No information
State Code National Code Title Type
AF234 DEFSS00037 Work Diver Clearance/Combat Diver Skill Set Skill set