Elements and Performance Criteria
- Enter and leave the water
- Prevailing weather and water conditions are considered when assessing the safety of diving operations and a judgement is made on whether to continue the dive
- Procedures when entering, during and leaving the water from the dive platform meet accepted guidelines and are in accordance with normal dive practices
- Signals to the dive platform prior to descent and following ascent are conducted according to normal dive practices
- Maintain culture or holding structures and associated equipment
- Culture or holding structure is inspected, its condition assessed and any required action is decided and reported to the relevant supervisor
- Associated equipment is inspected, its condition assessed and any required action decided and reported to the relevant supervisor
- Appropriate maintenance is undertaken
- Assist in lifting and handling
- The limitations and suitability of winches with hydraulic and air motors for use on the surface and under water are understood and applied
- The correct signs and signals are used during winch operations
- Lifting equipment and ropes of the correct type and safe working load are selected and rigged using the correct mechanical advantage for the load being lifted
- Lifting bags are properly secured and used to raise an object and the load is restrained so that ascent is controlled
- Slings, ropes and lifting bags are inspected and maintained and pre- and post-dive checks on lifting devices are carried out
- Use basic hand tools and auxiliary devices under water
- Apply underwater search and survey techniques