OPEN CIRCUIT DECOMPRESSION 40/132 SPECIALITY
This Speciality is designed to extend the diver's knowledge and introduce the skills and decompression procedures required in the use of oxygen enriched gases for Sport diving. It develops the sport diving skills and provides a greater understanding of the concept of limited decompression sport diving.
This programme qualifies divers to do dive to 40 metres/132 feet and complete dives with mandatory decompression stop requirements for up to maximum of 10 minutes.
The Programme employs the following gasses:
Oxygen enriched gas (EANx / Nitrox) mixes from 21% to a maximum of 40% oxygen content.
A maximum PpO2 of 1.4 at the TOD.
A maximum PpO2 of 1.6 at at the MOD.
A maximum depth of 40 metres/132 feet.
PREREQUISITES
To be a minimum of 16 years old.
To be certified diver for at least 3 months.
Certified RAID Open Circuit Level 2 diver or equivalent certification/s submit Navigation,Night/Restricted Visibility, and/or equivalent. The instructor is to evaluate these skills.
15 logged hours underwater using open circuit.
Documented proof of prerequisite requirements needs to be presented to the Dive Centre for approval prior to any in water training.
EQUIPMENT REQUIREMENTS
For this course you will required to have use of the following:
Single cylinder; the gas volume shall be no less than 2400 lt / 80 cu ft
Single cylinder pillar valve shall have an DIN preferred valve fitting
1 x first stages
2 x Standard second stages (Primary second stage preferred on 2m/6.5ft PL hose)
1 x SPG
1 x BCD/wing LP hose
1 x Single/multi gas Nitrox dive computer
1 x dive timer or enriched air (Nitrox gases) computer .
1 x slate
1 x SMBs and reel
1 x knife
1 x dive masks
1 x torch/light/underwater lamp
1 x BCD/wing with adequate lift capacity
1 x exposure suit - a dry suit shall have interchangeable inflator system with BCD LP hose
COURSE CONTENT
Complete, before in water training, the on-line e-learning academic presentations, quizzes, exam
Review Personal Diving skills
Stamina and Waterman ship skills
Dive Planning Assignments
Practical skills as detailed
Confined water and open water sessions, totaling a minimum of 4 hours underwater Course conducted by a RAID Deco Procedures Instructor
WARNING
THERE IS ALWAYS A RISK OF DECOMPRESSION ILLNESS (DCI) FOR ANY DIVE PROFILE, EVEN IF YOU FOLLOW THE DIVE PLAN PRESCRIBED BY DIVE TABLES OR A DIVE COMPUTER. NO PROCEDURE, DIVE COMPUTER, DIVE TABLE OR TRAINING CAN PREVENT THE POSSIBILITY OF DCI OR OXYGEN TOXICITY!
ATTEND THIS COURSE AND ANY DECOMPRESSION DIVING AT YOUR OWN ACCEPTED RISK
E&OE