Assessment Requirements for SISOSCB009 SCUBA dive to depths between 18 and 40 metres

Release: 1

Assessment Requirements for SISOSCB009 SCUBA dive to depths between 18 and 40 metres

Modification History

Not applicable.

Performance Evidence

.Evidence of the ability to complete tasks outlined in elements and performance criteria of this unit in the context of the job role, and:

plan and complete four open water dives each for different parameters over 18 metres and up to 40 metres depth

during each dive, use effective deep diving techniques to control:

ascent and descent

buoyancy

underwater swimming

breathing for air conservation

buddy contact, cooperation and communication

across the four dives execute:

one descent and ascent using a reference line as a tactile guide

one free descent and ascent using a reference point as a visual only guide.

Knowledge Evidence

Demonstrated knowledge required to complete the tasks outlined in elements and performance criteria of this unit:

definition of recreational deep dives and recommended diving limits within maximum definitions

specific objectives that typically relate to deep dives and reasons for setting limited objectives in line with reduced time available underwater

environmental hazards associated with diving beyond 18 meters and techniques used to safely negotiate these:

cold water

low light levels and visibility

specific medical problems related to diving at depths beyond 18 metres, the causes, prevention, symptoms, first aid and treatment:

nitrogen narcosis

decompression sickness

increased levels of stress and panic due to environmental conditions

how to use dive computers for deep diving to:

determine no-decompression limits for single and repetitive dives

properly plan and execute a dive

manage ascents

features, function and operation of dive computers, and advantages of dive computers over dive tables when planning and completing deep dives

identifying features, functions and operation of equipment used for deep diving:

purpose made regulators

purpose made submersible pressure gauges

alternative air sources

heavy grade exposure suits, booties and gloves

lines from support stations fitted with back up air supply

extra weight ballast systems

dive lights

descent and ascent techniques:

holding a reference line as a tactile guide

slowing and stopping using a reference line while hands are occupied

using a reference point as a visual only guide for free descents and ascents – walls and sloping bottoms

head up descents and why these are important

special considerations and techniques whilst deep diving for:

maintaining buddy contact

adjusting and maintaining buoyancy

breathing

optimum ascent rates and times for safety stops during ascent and how to calculate these for different depths.

Assessment Conditions

Skills must be demonstrated in an open water site during daylight hours. Dives can be completed from either boats or from the shore.

During assessment:

direct vertical access to the surface must be possible; aquatic plants are not considered an overhead obstruction

no more than three dives can be completed in any one day

dives must include at least 15 minutes at a depth between 18 and 40 metres

the following resources must be available to replicate industry conditions of operation:

first aid equipment

oxygen equipment

communication equipment for emergency response

diver flags of a type and size that meet local maritime regulator requirements

flag and surface float with weighted line for safety stops and back up air supply attached (support station).

Assessment must ensure use of:

a diving buddy with whom the candidate can dive

fins

masks

snorkels

cylinders and valves

buoyancy control devices with low pressure inflators

regulators with submersible pressure gauges

alternative air source

weight ballast systems

exposure suits suitable for conditions

timing devices

depth gauges

dive computers

lines for descents and ascents.

Assessors must satisfy the Standards for Registered Training Organisations requirements for assessors, and:

be an individual who is currently certified and sanctioned by an industry authorised organisation to teach and assess deep diving skills.

Links

Companion Volume Implementation Guides - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=1ca50016-24d2-4161-a044-d3faa200268b