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Elements and Performance Criteria

1. Prepare bail-out cylinder and rig lazy shot
   • Inspect and prepare lazy shot, cordage and bail-out cylinder
   • Deploy and set lazy shot, cordage and bail-out cylinder at required depth for decompression stop, in accordance with dive plan
   • Ensure adjustment for subsequent decompression stops in accordance with dive plan
   • Re-stow lazy shot, cordage and bail-out cylinder
2. Attend to a SCUBA (air) diver from the surface
   • Assist diver in fitting and inspecting dive equipment prior to undertaking dive
   • Assist diver’s entry into, and exit from, the water
   • Ensure diver’s equipment is confirmed for fit and absence of leaks on entering the water
   • Manage diver’s safety line throughout the dive
   • Interpret and respond to all line signals between diver and supervisor
   • Report diver’s condition, position and progress to supervisor as required
   • Assist diver from the surface during a poor visibility search
   • Assist diver in the removal and stowage of equipment

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.

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Performance Evidence

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 one occasion and include: applying relevant industry standards, and organisational policies and procedures assembling equipment assisting a searching diver in poor visibility (less than 2 metres) in a parallel search diving using selfcontained underwater breathing apparatus (SCUBA) in open water to 30 metres measuring distance maintaining attention to diver throughout dives reading gauges relaying at least two messages from diver to supervisor rigging and setting lazy shot and bailout at appropriate depth/s transmitting at least two messages from supervisor to diver.

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Knowledge Evidence

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: dive equipment including: bailout cylinder lazy shot SCUBA and associated equipment 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 general boat awareness and safety line signals marine animal threats marine hazards oceanography relevant industry standards, and organisational policies and procedures including: dive plan and/or instructions emergency response.

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