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The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
Risks may include: | hypothermia heat exhaustion injuries exhaustion lost party or party member equipment failure carbon monoxide toxicity panic Decompression Illness (DCI). |
Emergency procedures may include: | tired diver assist sharing air controlled emergency swimming ascent unconscious diver rescue system failure. |
Relevant legislation may include: | Occupational Health and Safety permits from land and water management authorities environmental regulations marine regulations. |
Organisational policies and procedures may include: | occupational health and safety risk management procedures communication protocols code of ethics minimal impact codes. |
Industry technical and safety criteria may include: | British Sub-Aqua Club (BSAC) Professional Association of Diving Instructors (PADI) SCUBA Schools International (SSI). |
Contextual issues may include: | weather conditions, including times season transport location trip distance and duration group objectives group size amount of fuel available, for boat and compressor water conditions aquatic life or activity. |
Relevant sources may include: | Bureau of Meteorology Media land managers or agencies coastal patrol or coastguard volunteer marine rescue local knowledge. |
Weather and environmental information may include: | satellite images daily and weekly forecasts maximum and minimum temperatures weather warnings event warnings synoptic charts high and low tide predictions. |
Equipment may include: | small air compressor air reserve tank portable gasoline engine or electric motor floating air hose regulator harness exposure suit hoods gloves masks fins in line pressure gauge bail out cylinder buoyancy compensating device weight system complete instrumentation to monitor depth, time and direction underwater |
Maintenance procedures may include: | checking buddy's equipment checking, cleaning and or replacing filters on compressor as per manufacturer's recommendations checking V-belt for signs of deterioration and tension regularly running out the diver air hose to remove twists from the hose checking the diver air hose for cuts and abrasions checking bail out cylinder and regulator. |
Five-point descent may include: | signalling the intent to descend orientating position in the water ensuring regulator is correctly fitted noting the time descending feet first, equalising every metre. |
Diving techniques may include: | adjusting weight system clearing dive mask sending and receiving messages from the surface changing between surface supplied air regulator and bail out regulator removing and refitting the surface air supplied hose and belt or harness while using the bail out regulator removing and refitting the weight system. |
Five-point ascent may include: | signalling the intent to ascend noting the time placing right hand over the head for protection looking up swimming up slowly while ensuring the air hose does not get tangled. |
Dive tender duties may include: | checking diver's equipment before dive being attentive to the diver and surface conditions responding quickly to emergencies communicating with diver maintaining gas levels. |
Relevant aspects may include: | objectives planning process activity site weather equipment selection clothing selection food selection instructional technique assessment technique group feedback directing techniques rescue techniques employed identification of risks and emergency procedures use of equipment and communication system correct surface supplied air diving techniques safe tendering of another diver. |