Attached Documents;
IANTD Technical Wreck Diver Manual
IANTD Liability Release
IANTD Medical Statement
IANTD Course Enrollment Form
Student Record File
Gas Matching Table
Day 1 morning
EQUIPMENT SETUP
Have students and staff assemble all equipment for wreck diving
Discuss as required
- Uniformity, Streamlining, Familiarity
- Aluminum Double tanks, Isolator manifold, Bands, Burst discs, Plugs, DIN, Redundancy
- Hose configuration and length, redundancy
- Clips and breakaways spare double ender
- Wing size, shape, bungees, inflator length, redundancy
- Harness fit, D ring placement
- Depth Gauge / computer, Redundancy
- Knives, Cutting tools (min 2 each) placement
LINES, SPOOLS, REELS
Have students show all reels and spools (min 2 each)
Line
- Purpose
- Diameter #18 +
- Nylon, Natural fibres, Twist, Braided
- Colour
- Bouyancy
Primary reel
- Purpose (Storing, laying and retrieving main line)
- Size 50 200 m, Diameter, Construction, Design, Locks, Jamming, Ease of use
- Attachments, Storage
Gap
- Purpose (Joining 2 separate lines, Secondary or redundant)
- Size 20 50 m, Reel or Spool
- Storage
Safety Reel
- Purpose ( not redundancy - emergency search line only)
- Size 20 50 m, Reel or Spool
- Storage
Discuss
- Reel v Spool
- Spare Double ender
- Line arrows and cookies
- Tag end
Day 1 morning
LIGHTS
Primary
- HID, Halogen, LED
- Canister, Cable length, Goodman, Handheld
- Beam
- Matching power
- MOD, Battery life
- Team spare
- Communication
- Possible failures- bad batch of batteries, depth failure
Backups
- Battery, Rechargeable
- Size, Beam
- Storage
HAND SIGNALS
Command signals
- Call dive x 2
- Turn dive
- Stop
- Hold
Others
- Line, Entanglement, Wrap, Tie off , Pull Line
- Question
- Light, On, Off
- Gauge, Turn pressure
- Counting
- Deco
Day 1 morning
DRY DIVE #1
Briefing
- Simulated wreck dive
- Primary and Secondary tie offs
- Laying line think out
- Slow and careful
- Wraps and Placements
- Teamwork
Dive
- Primary and Secondary
- Instructor times entry
- Each student lays 30m Primary and 20m Spool
- Instructor provides wreck info
- Instructor leads Students through wreck explaining details, making suggestions
- Primary / Secondary, Direct ascent, Secure
- Line Tension, Height, Traps, Zig Zags, Crossed lines
- Instructor notes total entry time, debriefs line laying
- Exit scenario Silt out, Students blindfolded
- Team exits, touch contact
- Instructor times and notes delay points
- Wraps and Placements, Secure, Sufficient
- Tie offs
- Instructor notes time, debriefs exit
- Instructor explains line pulling
- Teamwork
- Line tension
- Students each pull 1 spool, 1 primary
- Debrief
LUNCH
Day 1 afternoon
DIVE #1
El Capitan, Daytime, Nitrox, 20m, 100mns bt, O2 deco
- 10 mins away, wear gear
- PreDive Checks, Mod S drill, Mod V Drill
- Descent to 6m, Valve Drill, Show Slate + Pencil, 2x Knives, Backup lights. Neutral Bouyancy
- Remove Decos at entry to Wreck
- Calculate and communicate Turn Pressure
- Team roles
- Primary and secondary (Instructor leaves slate)
- Instructor Leads students and suggests Wraps
- Students lay 1 Spool each (past boiler) then 1 primary each (Exit boiler room then enter holds)
- Practice gas shares outside
- Gas check
- Pull 1 Primary each
- Silt
- Exit
- 10 mins O2 deco
- Debrief
DRY DIVE #2 NIGHT
- Simulated night dive, no talking, light and hand signals only
- Practice and refinement
- Lay 1 full spool each
- Think Out
- Clip back up light and spool to T shirt
- Instructor will give tank pressures and turn dive
- Team awareness, Diver roles
- Debrief / Beers
Day 2 morning
DIVE #2
El Capitan, 20m, Nitrox, O2 Deco, 100 mins bt, daytime
- Predive discussion 1/3s, what if forgot to calculate?(exit) Multi penetrations?(RB or Call pressure)Deep Wreck?(RB +1/3s)
- 10 mins away, wear gear
- Predive checks - Mod S drill, Mod V drill
- Descend to 6m, valve drill, show slate, pencil, 2x knives, back up lights. Neutral buoyancy.
- Remove decos at entry to wreck.
- Calculate and communicate turn pressure
- Team roles
- Team follows line
- Team lays 2 Primary reels approx. 30m each (inc. boiler hatches, in and out of holds.)
- Gas check
- 3 x gas shares on line, 30m travel each. (Bouyancy control, calm and controlled, team roles, retain line, tie off if laying)
- Gas check
- Pull both reels
- Lay spool to boiler room restriction
- Call Dive
- Express exit
- 10min O2, 6 up
- Debrief
LUNCH
Day 2 afternoon
MISSING DIVER PROCEDURES
- Prevention awareness, team building, safety spool, spare lights
- Signals
- Search retrace line if following, re-lay line if pulling, apply 1/3s
- Look for light
- Biggest diver first
- Leave line cookie or exited marker
LOST LINE PROCEDURES
- Why? Silt, light failure, line traps, broken line, disorientation.
- Stay calm
- Safety spool, spare lights.
- Tie off Safety and begin search
- Natural navigation look around, understand ship design
TOUCH CONTACT
- Why? Restricted sight silt, light failure, restriction
- Full contact v intermittent contact
- Will slow you down
- Best hand positions
- Touch signals stop, go, call, turn
- Never let go of the line
- 5 mins practice eyes open and closed
DIVE #3
ElCapitan, Night dive, Nitrox, 100mins bt, O2 deco
- Predive checks mod v drill, mod s drill
- Descend to 6m v drill, show all
- Leave decos at entry
- Calculate and communicate 1/3s, team roles
- Follow line to end
- Lay 2 spools (time)
- Gas check
- Lights out (on if problem)
- Exit touch contact (time)
- Gas check
- 1/3s and reenter lights on
- Pull 2 spools
- (Instructor lays 1 spool for gaps next dive)
- 10 mins O2 6 up
- Debrief
Day 3 morning
GAS SHARES THROUGH RESTRICTIONS
- Discuss and practice 2 person shares, three person shares
- Use spoons for long hose
- Use line, stay on line
- Signals
- Spacing, timing
- Change roles, front diver controls
GAPS
- Discuss and practice Gaps, Line arrow use
- Lay two parallel lines 5m apart
- Signals
- Line arrow, cookies and double end pointing out
- Best exit
- Tie offs
- Pulling gap line, always ensure all divers are ahead (2+3 swap at gap)
CUT LINE
- Signal team
- Tie remaining end
- Attach safety
- Search for loose end
- Tension and tie
- Cut remaining safety
DIVE #4
El Capitan, Day Dive, Nitrox + O2
- Predive checks, Mod S drill, Mod V drill
- Descent to 6m, Valve drill, show all
- Leave decos at entry
- Calculate and communicate 1/3s, team roles
- Follow line to end
- Gap to Parallel line
- Lay spool 20m out of Boiler room vent, gas check
- 2 person gas shares through restriction, rotate roles, gas check
- 3 person gas shares through restrictions, rotate roles, gas check
- Pull line and gap to boiler
- Exit
- Debrief
LUNCH
Day 3 afternoon
LOST LINE
- Why? Silt, Light failure, (inattention)
- Stop
- Relax
- Tie off Safety
- Search up and over
- When found, tie and cut
ANTI SILTING
- Deterioration , rust, lahar
- Signals
- Bubbles, other divers, fish, falling objects, finning, careless movements
- Modified frog kick
- Finger walking
- Pulling
- Wedging
GAS MATCHING (p222 encyclopedia)
- What? Ensure sufficient reserve in all situations
- When? 2 divers, different RMVs, different tank size (low rmv using small tank)
- Gas Matching Table (high rmv on top, low on side)
- Multiply factor by fill pressure of smallest tanks
- No need for matching if 3 or more divers, same size tanks, same rmv
DIVE #5
El Capitan, Night dive, Nitrox, O2
- Predive Checks, Mod s drill, Mod v Drill
- Descend to 6m, Valve drill, show all
- Leave decos at entry
- Calculate and communicate 1/3s and team roles
- Follow line (anti silting)
- Lay line through boiler room vent to mast
- Divers up to hull, back up on, primary off
- Gas check
- Instructor brings one diver at a time into boiler room, shows line and tie off point
- Lights off
- (Instructor touches divers safety)
- Return to divers, gas check each time
- Pull all line on exit
- Debrief
Day 4
DIVE #6
New York or LST, 30m, Nitrox 36, O2, Thirds, Experience dive
- Predive checks, mod s drill, mod v drill
- Descent, valve drill, show all
- Lay line to main TOL
- Calculate and communicate 1/3s and team roles
- Instructor leads
- Anti silting
- Back to bow after pipe
- Ambient light 3rd deck
- Leave spool
- Debrief
EXAM
LUNCH
DIVE #7
New York or LST, 32m, Nitrox 32, O2, Thirds, Experience dive
- Pre dive checks, mod s drill, mod v drill
- Descent, valve drill, show all
- TOL, Calculate and communicate 1/3s and team roles
- Follow main line
- Go to stern after pipe
- Boiler room
- Pull spool from entry of TOL
- Debrief
PAYMENT (Dives, Gasses, Course, Equipt rental and purchase, Transport, All tabs)
CERTIFICATION
(Redeemed my Continental Micronesia (Palau) Miles for a $29 Round Trip Ticket to Manila.)
