Modification History
Not Applicable
Unit Descriptor
This unit describes the performance outcomes, skills and knowledge required to plan and perform an EANx dive under supervision. This unit also focuses on disassembling and maintaining equipment used for EANx dives.
Application of the Unit
This unit applies to current or aspiring specialty SCUBA dive guides or instructors responsible for planning and performing controlled open water dives under supervision using enriched air nitrox (EANx). This may include those working for private dive schools or companies operating at coastal sites or through holiday resorts.
This may also include those working for, volunteer organisations, not for profit organisations, government agencies, or group instructors in outdoor education programs.
Licensing/Regulatory Information
No licensing, regulatory or certification requirements apply to this unit at the time of endorsement.
Pre-Requisites
SISOSCB301A SCUBA dive in open water to a maximum depth of 18 metres
Employability Skills Information
This unit contains employability skills.
Elements and Performance Criteria Pre-Content
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
Elements describe the essential outcomes of a unit of competency. |
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the Evidence Guide. |
1. Plan an EANx dive. |
1.1. Identify the requirements of EANx use and associated hazards . 1.2. Prepare EANx dive plan according to industry technical and safety criteria , relevant legislation and organisational policies and procedures . 1.3. Select a suitable dive site according to industry technical and safety criteria, relevant legislation and organisational policies and procedures. |
2. Select equipment. |
2.1. Select blend and equipment according to industry technical and safety criteria. 2.2. Perform pre dive checks and maintenance of EANx equipment according to industry technical and safety criteria, manufacturer's recommendations and organisational policies and procedures. |
3. Dive using EANx. |
3.1. Complete EANx dive according to dive plan, EANx criteria and industry technical and safety criteria. 3.2. Monitor depth and time throughout dive. 3.3. Take remedial action to avoid hazards. |
4. Disassemble and maintain equipment. |
4.1. Maintain positive pressure in the cylinder to avoid entry of atmospheric air. 4.2. Disassemble regulators and gauges according to industry technical and safety criteria. 4.3. Undertake service and maintenance of equipment with parts compatible with elevated oxygen mix according to industry technical and safety criteria. |
5. Evaluate EANx dive. |
5.1. Evaluate relevant aspects of the EANx dive. 5.2. Identify improvements for future EANx dives. |
Required Skills and Knowledge
This section describes the skills and knowledge required for this unit. |
Required skills |
|
Required knowledge |
|
Evidence Guide
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package. |
|
Overview of assessment |
|
Critical aspects for assessment and evidence required to demonstrate competency in this unit |
Evidence of the following is essential:
|
Context of and specific resources for assessment |
Assessment must ensure participation in multiple EANx diving activities to demonstrate competency and consistency of performance. Assessment must also ensure access to:
|
Method of assessment |
A range of assessment methods should be used to assess practical skills and knowledge. The following examples are appropriate for this unit:
Holistic assessment with other units relevant to the industry sector, workplace and job role is recommended. |
Range Statement
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
|
Requirements may include: |
|
Hazards may include: |
|
EANx dive plan may include: |
|
Industry technical and safety criteria may include: |
|
Relevant legislation may include: |
|
Organisational policies and procedures may include: |
|
Blend and equipment may include: |
|
Pre dive checks may include: |
|
Maintenance may include: |
|
Relevant aspects may include: |
|
Unit Sector(s)
Outdoor Recreation
Competency Field
SCUBA