NTISthis.com

Evidence Guide: DEFWDV007 - Dive using closed-circuit breathing apparatus (HeO2) in open water to a maximum depth of 60 metres

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

DEFWDV007 - Dive using closed-circuit breathing apparatus (HeO2) in open water to a maximum depth of 60 metres

What evidence can you provide to prove your understanding of each of the following citeria?

Operate an HeO2 compressor/hand-booster pump

  1. Inspect compressor and associated equipment for serviceability and report faults in accordance with operational procedures
  2. Fit appropriate protective equipment in accordance with organisational procedures
  3. Connect leads and hoses to compressor in accordance with manufacturer instructions
  4. Charge gas cylinders to maximum working pressure and record details in relevant logs in accordance with organisational procedures
  5. Conduct operator level maintenance on compressor and report faults, as required in accordance with organisational procedures
  6. Undertake activity to de-service compressor after use in accordance with operational requirements
Inspect compressor and associated equipment for serviceability and report faults in accordance with operational procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Fit appropriate protective equipment in accordance with organisational procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Connect leads and hoses to compressor in accordance with manufacturer instructions

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Charge gas cylinders to maximum working pressure and record details in relevant logs in accordance with organisational procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Conduct operator level maintenance on compressor and report faults, as required in accordance with organisational procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Undertake activity to de-service compressor after use in accordance with operational requirements

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Conduct dive operations

  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. Undertake dive activities using CCBA (HeO2) and demonstrate relevant dive contingencies in accordance with organisational procedures and dive plan
  3. Undertake activity to de-service CCBA (HeO2) and report defects in accordance with operational procedures
  4. Maintain situational awareness of other divers during dive operations
  5. Conduct a mid-water casualty handover between an HeO2 standby diver and an air standby diver, in accordance with dive plan
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

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Undertake dive activities using CCBA (HeO2) and demonstrate relevant dive contingencies in accordance with organisational procedures and dive plan

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Undertake activity to de-service CCBA (HeO2) and report defects in accordance with operational procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain situational awareness of other divers during dive operations

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Conduct a mid-water casualty handover between an HeO2 standby diver and an air standby diver, in accordance with dive plan

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Operate an HeO2 compressor/hand-booster pump

1.1

Inspect compressor and associated equipment for serviceability and report faults in accordance with operational procedures

1.2

Fit appropriate protective equipment in accordance with organisational procedures

1.3

Connect leads and hoses to compressor in accordance with manufacturer instructions

1.4

Charge gas cylinders to maximum working pressure and record details in relevant logs in accordance with organisational procedures

1.5

Conduct operator level maintenance on compressor and report faults, as required in accordance with organisational procedures

1.6

Undertake activity to de-service compressor after use 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

Undertake activity to de-service CCBA (HeO2) and report defects in accordance with operational procedures

2.4

Maintain situational awareness of other divers during dive operations

2.5

Conduct a mid-water casualty handover between an HeO2 standby diver and an air standby diver, in accordance with dive plan

Required Skills and Knowledge

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Operate an HeO2 compressor/hand-booster pump

1.1

Inspect compressor and associated equipment for serviceability and report faults in accordance with operational procedures

1.2

Fit appropriate protective equipment in accordance with organisational procedures

1.3

Connect leads and hoses to compressor in accordance with manufacturer instructions

1.4

Charge gas cylinders to maximum working pressure and record details in relevant logs in accordance with organisational procedures

1.5

Conduct operator level maintenance on compressor and report faults, as required in accordance with organisational procedures

1.6

Undertake activity to de-service compressor after use 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

Undertake activity to de-service CCBA (HeO2) and report defects in accordance with operational procedures

2.4

Maintain situational awareness of other divers during dive operations

2.5

Conduct a mid-water casualty handover between an HeO2 standby diver and an air standby diver, in accordance with dive plan

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least four separate dives, with diver diving to a depth not greater than 60 metres using closed-circuit breathing apparatus (CCBA) (HeO2) in open water (oceans, seas, lakes and rivers) and include:

applying relevant industry standards, and organisational policies and procedures

conducting CCBA (HeO2) dive operations:

in open water to a maximum depth of 60 metres during the day and at night

in water time of 60 minutes

with a total accrued sub-surface time of 0–60 minutes

in a range of sub-surface conditions including:

a range of surface and sub-surface hazards

current (0–2 knots)

temperature (0 degrees +)

visibility (0 metre +)

conducting unconscious companion diver drills in accordance with dive plan

identifying changes in divers, including distress and illness at depth

inspecting and preparing CCBA (HeO2) equipment and gauges monitoring CCBA (HeO2) equipment and gauges

operating an HeO2 compressor/handbooster pump in accordance with manufacturer specifications.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

CCBA (HeO2) characteristics and limitations

CCBA (HeO2) dive equipment specifications and limitations

dive physics

dive physiology and medicine including:

heat and cold illnesses

compression illnesses

decompression illnesses

diving descent and ascent techniques

general diving safety awareness including:

diving in harbours

diving in tidal waters, currents and tides

diving on and/or near a ship’s bottom

lost/separated

entrapment/foul lines

marine animal threats

pollution/weeds

working in confined spaces

hazards of Heliox

relevant diving safety awareness

relevant industry standards, and organisational policies and procedures

safe operating ranges for airsupplies

standby diver responsibilities.

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the Companion Volume Implementation Guide.