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Elements and Performance Criteria

1. Enter and leave the water
   • Consult crew and consider prevailing weather and water conditions when assessing the safety of diving operations, and decide on whether to continue the dive
   • Ensure that procedures during the dive, and when entering or leaving the water from the dive platform meet diving guidelines and are according to normal dive practices
   • Use signals to the dive platform before descent and following ascent according to normal dive practices
2. Harvest and land seafood catch
   • Identify and harvest targeted seafood and other aquatic products legally and safely
   • Handle catch to maintain maximum quality and according to workplace and industry operating procedures
   • Land catch according to workplace and industry operating procedures
3. Assist in lifting and handling
   • Recognise the limitations and suitability of winches with hydraulic and air motors for use on the surface and underwater when undertaking winching operations
   • Use the correct signs and signals during winch operations so as to communicate effectively with crew
   • Select and rig lifting equipment and ropes of the correct type and safe working load using the correct mechanical advantage for the catch being lifted
   • Use and secure lifting bags to raise catch
   • Restrain the catch so that ascent is controlled
   • Inspect and maintain slings, ropes and lifting bags and carry out pre- and post-dive checks on lifting devices
4. Use basic hand tools and auxiliary devices underwater
   • Use a range of hand tools to complete simple tasks underwater
   • Use auxiliary devices in underwater catch operations safely
   • Inspect tools for defects, maintain and store after use or set aside for repair
5. Conduct underwater searches
   • Use a range of underwater search and survey techniques to locate targeted items
   • Maintain signals while conducting underwater search