Elements and Performance Criteria
- Prepare to use power tools underwater
- Work task, worksite data and work object are determined and analysed to determine the specific requirements for power tools
- Work plan is developed consistent with the dive plan
- Power tools and protective equipment are selected, inspected and prepared
- Compressor and associated leads and hoses are selected, inspected and prepared
- Power tools, compressor, and associated leads and hoses are secured safely to/from the dive site
- Access obstructions and other hazards are assessed and action is taken to remove/reduce the risk
- Occupational health and safety (OH&S) requirements and recognised safety precautions are applied in accordance with standard procedures, manufacturers' instructions and legislation
- Operate power tools underwater
- Power tools are secured on self during the dive for ease of accessibility and lack of interference with mobility and dive equipment
- Safe route for leads and hoses is established
- Work-safe area is established and the location and safety of divers is confirmed prior to commencing work task/s
- Power tools are operated underwater ensuring management of their associated hazards
- Operator maintenance is conducted at the worksite on power tools, leads and hoses
- Power tools are temporarily disconnected and rendered safe to evaluate the work task
- Operate the compressor
- Pre-start checks are performed, and hoses and leads are connected
- Pressure is developed gradually without surging and compressor is stabilised and trimmed to required work output
- Routine operational checks are conducted and warning signs are diagnosed and addressed
- Compressor is shut down
- Emergency shut down is conducted
- Conclude power tool operations