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Public Safety Diver © Dive Rescue International 2011.

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Presentation on theme: "Public Safety Diver © Dive Rescue International 2011."— Presentation transcript:

1 Public Safety Diver © Dive Rescue International 2011

2 Course Overview Public Safety Diver Entry Level Certification Program Overview 7 Academic Chapters & Final Exam Pool & Open Water Sessions IADRS Watermanship Test 1-2

3 Public Safety Diver-Academics Surface Swimming/Snorkeling Scuba Diving Using the Scuba Equipment Adapting the Body to Water and Pressure Depth, Time and the Diver The Aquatic Environment The Dive Operation 1-3

4 IADRS Watermanship Test Successfully completed prior to certification IADRS created - NFPA recommended 5 Events – point system (METS) Need 12 points total to pass 500 yard swim 15 minute tread water 800 yard mask, fin, snorkel swim 100 yard inert diver tow Surface dive to retrieve an object from 9 feet 1-4

5 Chapter 1 Surface Swimming/Snorkeling Mask, Snorkel and Fins Exposure Suits Weight Systems Snorkel Techniques 1-5

6 Objectives Discuss the components of the basic equipment utilized by the surface swimmer. Define the proper way to don, doff and use the equipment. Explain the proper techniques or skill sets for entry, exit and surface swimming while snorkeling. 1-6

7 Masks Types High Volume Low Volume Materials Rubber Silicone Fit 1-7

8 Mask Features Lens Strap Skirt Positive Locking Device Nose Pocket Purge Valves Corrective Lenses Maintenance and Storage Equalizing, Clearing 1-8

9 Snorkel Purpose Materials Rubber Silicone Plastic Adjustment Clearing Features Large vs Small Bore Corrugated vs Smooth Purge Valve Curved vs Straight Tube Mouthpiece Maintenance Snorkel Keeper 1-9

10 Fins and Footwear Purpose Types Adjustable / Open Heel Full Foot Materials Rubber Thermoplastics Graphite Injected Features Vents Ribs Channels Buckles Stiff vs Flexible Adjustment and fit Maintenance / storage 1-10

11 Exposure Protection-Dive Skin Purpose Types Lycra, Polartec, Darlexx or Thermalastic Features Donning Buoyancy Maintenance and Storage 1-11

12 Exposure Protection-Wet Suit Purpose Types One-piece Two-piece Shorty Materials Features Thickness Accessories 1-12

13 Exposure Protection-Dry Suits Purpose Types Materials Neoprene Nylon Vulcanized rubber Tri-butyl laminate Urethane-coated nylon Features 1-13

14 Weight System Purpose Types/Material Standard Belt with Weights Pouch or Pocket Work and Weight System Materials Buckle Location Texas Quick Draw 1-14

15 Buoyancy Control Device (BCD) Purpose Types Front Mount or Snorkel Vest Back Mount Jacket Style Advanced Design Construction Features Oral Inflator Valve CO 2 Cartridge Dump Valve(s) Pockets Adjustment, Fit and Capacity Maintenance and Storage 1-15

16 Donning the Equipment Exposure Protection Boots Hood Gloves BCD Mask and Snorkel Weight System Fins 1-16

17 Entering the Water Controlled Seated Entry Giant Stride Entry Feet First Jumping Entry Roll Entries 1-17 The best way is the easiest, safest and least disorienting way

18 Swimming/Surface Dives w/Fins Flutter Kick Dolphin Kick Scissor Kick Head First Dive Feet First Dive 1-18

19 Discussion Questions/Review What are some of the features to look for in a dive mask, and how do these features benefit the diver? How does a diver prevent condensation from forming on the inside of the mask lens? How can a diver prevent a mask squeeze from occurring? Which side of the head is the snorkel worn on and why? What are the two basic fin styles? Describe the two methods for clearing the snorkel? List three types of exposure suits and describe when they might be worn. What two pieces of equipment help a diver achieve neutral buoyancy? How would a diver equalize the pressure in his ears while making a descent? What are two ways to achieve positive buoyancy?

20 Summary You have just begun a rewarding career as a Public Safety Diver. Your first step was learning about the basic equipment and techniques used by surface swimmers and/or snorkelers. You now have a good foundation on which to continue your development as a public safety diver. 1-20


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