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OT5.108/02
BSAC Ocean Diver Training
Going DivingGoing DivingGoing DivingGoing Diving
OT5 208/02
Going DivingGoing Diving Going Diving
AimUnderstand the practicalities of
going: Buddy diving Overall diving organisation The role of the Dive Manager The dive plan Going on a dive Pilotage and vision underwater
OT5 308/02
Going DivingGoing Diving Buddy Diving
Diving as a buddy pair = Safety & Enjoyment Monitor each other and assist if
necessary Help in kitting-up, entry,
exit and de-kitting Develop diving skills with more
experienced buddies Share, compare and learn from
diving experiences Discover the type of diving you
enjoy
OT5 408/02
Going DivingGoing Diving Overall Dive Organisation
The Dive Manager: is responsible for all diving on
site Selects suitable site Arranges the buddy pairs Gives dive brief
Buddy pair: Lodge dive plan with DM Lodge dive details with DM
after dive
Dive Manager
Buddy pairBuddy pair
DM Dive Brief
Dive details
Dive details
Buddy Dive Plan Max. DepthMax. Time
Buddy Dive Plan Max. DepthMax. Time
OT5 508/02
Going DivingGoing Diving The Dive Manager’s Role
Responsible to the Diving Officer/Lead Instructor Assessing risks Buddy pairings Diving grade and depth limitations Monitor conditions
Information and Safety Brief Dive site information Hazards to avoid Surface support cover,
Assistant Dive Manager Separation procedure
In assessing all the risks the Dive Manager can abort diving at their discretion
OT5 608/02
Going DivingGoing Diving The Dive Plan - SEEDS
Safety Fit to dive Within capabilities
Exercise - dive objective Depth & time (tables or computer) Breathing gas - Rule of Thirds
Equipment All present and working
Discipline Agree who is dive leader Stay together Separation procedure
Signals - normal & any special
OT5 708/02
Going DivingGoing Diving Before the Dive
Dive objective Depth and time Breathing Gas “check points” Signals Separation procedure
Dive duration
Planned depth
Dive objective etc.
The buddy brief - recap the plan
Confirm dive plan with the Dive Manager
OT5 808/02
Going DivingGoing Diving The Buddy Check
Buoyancy Direct feeds working Dump valves working Controlled by dry suit or BC?
Air Check primary demand valve Check easy access to octopus and ensure it is working
Releases BC Dry suit direct feed Weight belt or weight system
OT5 908/02
Going DivingGoing Diving Going on the Dive
Entry
Descent
The Dive
Ascent
Exit
Plan (SEEDS) Brief Kit up Buddy check
De-kit Debrief Log details
OT5 1008/02
Going DivingGoing Diving The Dive - Entries
Wade in Assist with fin fitting
Shore or large boat Stride or forward roll entry Sufficient water depth Clear of other divers
Small boat Backwards roll entry Clear of other divers
Following entry Diver to give OK to surface cover
Shore
OT5 1108/02
Going DivingGoing Diving The Dive - Descent
Shelf or wall
Shot line Check depth Check breathing gas Check octopus Check buoyancy OK to continue
Buoyancy control
Clear ears
Stay together
OK/down
OT5 1208/02
Going DivingGoing Diving During the Dive
Stay togetherMonitor conditionsMonitor depthMonitor breathing gasMonitor buddy Keep to planSeparation procedureIf unhappy at any point - abort the dive
OT5 1308/02
Going DivingGoing Diving The Dive - Ascent
Signal OK to buddy Signal OK to surface cover
Stay together
Buoyancy control
OK/up
6m check depth
Controlled 1 min. ascent to surface
Buoyancy control
OT5 1408/02
Going DivingGoing Diving The Dive - Exits
Shore Wade out Assist with fin
removal
Mask, demand valve, gas in BC Stay clear of diver on ladder
Small Boat Remove weight belt Remove scuba equipment Fin upwards into boat
Shore or large boat Steps or ladder
OT5 1508/02
Going DivingGoing Diving Post Dive
Dive details To Dive Manager for Branch/Centre
records For own dive logbook
Buddy dive debrief What you have seen What you have learnt or experienced Any areas for improvement/more
practice Any kit configuration adaptations for
future dives
OT5 1608/02
Going DivingGoing Diving Dive Flags
The International ‘A’ Flag
American Sport Divers Flag
I have divers down, stay clear and reduce speed
Divers below, stay clear
OT5 1708/02
Going DivingGoing Diving Underwater Pilotage
Underwater features
Mentally map the features On outward journey for return journey Monitor depth
OT5 1808/02
Going DivingGoing Diving Vision Underwater
Underwater “vis” = horizontal range of vision
AirAir
Focusing of the eye in air and underwater
Actual object Apparent image
Refracted rays pass from water to air
OT5 1908/02
Going DivingGoing Diving Colour Underwater
Absorption of colour underwater
5m
10m
15m
20m
25m
30m
OT5 2008/02
Going DivingGoing Diving Colour Underwater
Natural light With artificial light
Suspended particles, ‘turbidity’, reduces light and visibility
OT5 2108/02
Going DivingGoing Diving Summary
Diving is an adventurous sport and its risks need to be assessed and managed to make it as safe as possible The importance of buddy diving Understanding dive organisation Understanding the role of the Dive Manager Preparing, briefing and checking before the dive Diving the plan Pilotage and vision underwater
OT5 2208/02
Going DivingGoing Diving
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