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