24. Simulated Decompression Dive

 

Key Points

Revision of decompression diving. G Tissue Code, buoyancy control at stops, good time management.

Introduction

Brief (SEEDS)

E - Explain what, why, how long, where.

E - Full kit.

S - Come up slowly in case of difficulty.

D - Keep close, pay attention, look carefully and repeat when prompted.

S - 'Up', 'down', 'you watch me', 'you repeat’, ‘into simulated deco’, ‘ascend to next stop’.

Questions

Kit UP

Demonstrate, work in buddy pairs.

Buddy Check (BAR)

In buddy pairs.

Entry

Demonstrate, mimic and correct.

Teaching subject (good positioning, demonstrate, mimic and correct)

 

Deep

  1. Check shot line secure
  2. Demonstrate reel and clip functions - Students repeat
  3. Demonstrate laying line - avoid entanglement - Point out items of interest - Students repeat
  4. Demonstrate following line - Students repeat
  5. Demonstrate reeling in - Students repeat

Deco Stop

  1. Demonstrate horizontal positioning - Students repeat
  2. Demonstrate gas switching if applicable - Students Repeat
  3. Demonstrate mask clearing - Students repeat
  4. Demonstrate regulator switching - Students repeat
  5. Demonstrate tying loop onto shot line - Students repeat
  6. Practice neutral buoyancy
  7. Ascent very slowly - demonstrate surfacing drills - Students repeat
  8. Signal all OK - Students repeat

Exit

De-Kit

Debrief (REAP)

R - Review - key points.

E - Encourage.

A - Assess - give constructive feedback.

P - Progression - link to next session.

Questions

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