Google links for PUADEFDV001B - Dive using selfcontained underwater breathing apparatus in open water to 30 metres


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 in the Performance Criteria is detailed below.
Decompression tables may include	Defence Civil Institute of Environmental Medicine
Equipment may include	Breathing system and devices: cylinder configuration demand independent primary pressure positive single supply Buoyancy devices: buoyancy compensator weight belt Dive clothing: fins gloves wet-suit (includes booties and hood) Diving accessory equipment: communications slate compass face mask/mouthpiece ensemble knife watch Safety equipment: diver's safety lines
Entry to the water may include	Dive Forward/backward jump Roll-back Walk-in (backwards)
Platforms may include	Boats Semi-permanent platforms Ships
Decompression techniques may include	Lazy-shot and drifting stops Lazy-shot and fixed shot rope Lazy-shot and float line Lazy shot and life line Surface
Surface and sub-surface hazards may include	Anchor drop zones Cathodic protection devices Electrical cabling Inlets and sonar/radio frequency hazards Marine animals Piers and jetties Pipelines Pollutants Propellers/thrusters Trapping hazards: beams culverts gates grottoes and caves intakes and out-falls nets safety, anchor and communications lines sluices sewers submerged ships, vehicles and structures Vessel rocking and associated movement
Signs and symptoms of diving induced medical problems may include	Disablement through pain Incoherence Loss of task focus Reduction in breathing/bubbles Unconsciousness Vomiting
Medical problems may include	Compression related problems including: barotrauma (such as equalisation problems with aural/sinus canals) narcosis oxygen toxicity Decompression related problems including: anoxia and hypoxia barotraumas such as: squeeze (face, body, and lung) dental aural sinuses gastro-intestinal pulmonary (interstitial emphysema, pneumothorax, tension pneumothorax, mediastinal emphysema, subcutaneous emphysema, and arterial gas embolism) carbon dioxide retention carbon dioxide and carbon monoxide poisoning decompression illness primary and secondary drowning Heat and cold related problems including: heatstroke hypothermia
Individual contingencies/ emergencies may include	Blockage to mouthpieces Buoyancy device malfunction Communication device malfunction Complete breathing system malfunction Entrapment Flooding of mask Loss of spatial awareness Partial breathing system malfunction Severed safety lines
Group contingencies/ emergencies may include	Injured buddy Lost buddy Unconscious buddy
Buoyancy includes	Positive Negative Neutral
Diving descent and ascent techniques include	Breathing Buoyancy maintenance Equalisation Maintaining situational and positional awareness throughout the dive Monitoring equipment and gauges Propulsion Surfacing
Relevant factors may include	Air Depth Equipment Location Other divers Time
Threats may be posed by	Pollution Weed Other debris
Effects of open water environment includes	Currents Swells Wave action
Ensuring recovery may include	Employing rendezvous procedures Surfacing
Ensuring safe surfacing must include	Checking for the sounds of propellers before committing to breaching the surface Advancing the arm above the head for protection and signalling, and once surfaced, gaining 360 degree awareness
Electronic communications device may include	Topside/surface Sub-surface divers systems: hard wire through water voice
Accessories may include	Antenna Ear set Microphone
Radio telephone procedures may include	Call-signs Phonetic alphabet Pro-words Relaying messages Words twice procedures
Dangerous items may include	Explosives
Assisting other divers includes	Physically recovering a diver to the surface using the 'companion diver' drill (including unconscious companion) Searching for a lost buddy Sharing air supply through buddy breathing

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PUADEFDV001B - Dive using selfcontained underwater breathing apparatus in open water to 30 metres

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Elements and Performance Criteria

Required Skills

Evidence Required

Range Statement