TDI JJ-CCR Decompression Procedures
5 days -£795
The objective of this course is to train CCR Air Diluent divers or already qualified open circuit technical divers in the benefits, hazards and proper procedures for diving on the JJ-CCR with air as a diluent gas to a maximum depth of 45 metres including decompression. It is highly recommended to have your own unit for the course but if you'd prefer we can rent you a JJ-CCR for £100 per day for the duration of your course.
Setup and maintenance of the unit
Calibration of electronics
Loop volume management
Bailout & emergency procedures
Minimum of 18 years of age
Be an open circuit qualified technical diver (TDI Advanced Nitrox & Deco Procedures/IANTD ART/PADI Tec 45 or equivalent)
Have a minimum of 50 logged open water dives.
Hold an Air Diluent CCR Diver certification from any agency
Have a minimum of 30 hours on the CCR unit with 6 months CCR diving experience.
You'll have a TDI rebreather manual to work through and there'll be a number of theory sessions throughout the course to go over knowledge reviews and ensure sufficient knowledge is attained prior to the final exam. we'll also conduct a service and repair workshop for dive site maintenance & problem solving.
Cost & Duration
5 days - £795
Instructor’s gas, sofnolime & entry (if applicable)
Bailout & decompression cylinder & regulator hire
The cost of your own gas and sofnolime is not included for the course duration. Travel to and from the training locations and open water sites are your responsibility. The JJ-CCR course can either take place or culminate at NDAC, there is a fee of £17 per student per day payable directly to the centre. There is also a fee for any additional equipment required to be rented for the course.
Once you have completed a minimum of 50 CCR dives totalling at least 50 hours (25 hours minimum on the JJ-CCR) you can progress to the TDI CCR Mixed Gas course (MOD2/Level 2). The course is designed to use trimix as a diluent and bailout gas to safely conduct decompression diving to a maximum depth of 60 metres.