Helitrox CCR Deco Procedures Diver
This is the second entry level certification course for divers wishing to utilize a closed circuit rebreather (CCR) for mixed gas diving using a Helitrox diluent. The objective of this course is to introduce divers to the benefits, hazards and proper procedures for diving a CCR and to develop basic CCR diving skills, to a maximum of 45 meters / 150 feet, using an air/nitrox/helium diluent for formal decompression diving. Students are permitted to utilize a diluent and bailout mix with no greater than a 35% helium content (+/- 5%) and no less than a 21% oxygen content. Students are permitted to use up to 100% oxygen for decompression.
Duration: 5 Days
Depth: 40 m
BOOKING
Reservation confirmations require a 50% deposit. We accept bank transfer, credit card or PayPal. Full payment must be settled in Mexican pesos at the daily USD exchange rate or in cash prior to the start of your dive activity. Deposits for reservations are non-refundable, in certain circumstances, such as unforeseen medical issues or emergencies, the course or dive activities may be rescheduled. Any cancellation less than 24 hours prior to your first day of diving will be charged in full.
SCHEDULE
You can customize your course or dive trip according to your preferences and schedule throughout the year, we are open for training and diving seven days a week. The schedule can be adapted and subject to change due to weather conditions.
Requirements
Minimum age: 18 years old.
Proporcionar prueba de 50 inmersiones registradas. Si está completando un cruce de unidad, proporcione una prueba de 10 inmersiones CCR registradas en los últimos 12 meses.
Nivel mínimo de certificación TDI Advanced Nitrox Diver, Deco Procedures Diver o Helitrox diver o equivalente de agencias reconocidas por TDI.
Si el rebreather es un rebreather de montaje lateral aprobado por TDI, el estudiante debe tener la certificación TDI Sidemount Diver o equivalente, proporcionar una prueba de 10 inmersiones de montaje lateral registradas, y cualquier requisito adicional que el fabricante del rebreather de montaje lateral pueda tener.
What will you learn?
Theory:
History and Evolution of Rebreathers.
Comparison of Open Circuit, Closed Circuit and Semi Closed Circuit Rebreather Systems.
Practical Mechanics of the System.
Gas Physiology.
Proper Scrubber Packing; according to the manufacturer’s recommendation.
Electronic or Manual Systems Design and Maintenance.
Dive Tables.
Dive Computers.
Dive planning.
Emergency Procedures.
Helium Considerations.
Skills
Build unit based on manufacturer’s specifications using manufacturer’s manual/build checklist.
Pre-dive checks.
Verify diluent and oxygen (O₂) cylinder contents using O₂ analyzer where appropriate.
Demonstrate correct pre-dive planning procedures.
Emergency Procedures.
Use of BCD/suit and effective management of loop breathing volume for buoyancy control.
Stop at 3-6 meters / 10 – 20 feet on descent for leak bubble check.
Electronics systems monitoring for PO₂ levels (SETPOINT) and switching setpoints.
Manual control of setpoint if electronically controlled CCR is not used.
Use and adjustment of Heads Up Displays and computers.
Mask removal and replacement.
Use of lift bag / delayed surface marker buoy and reel (where relevant and applicable).
Proper execution of the dive within all pre-determined dive limits.
Demonstration of safety stops at pre-determined depths.
Constant loop volume management.
Cell validation checks with appropriate use of diluent and oxygen.
Post dive clean of unit to avoid contamination and spread of disease.
Included throughout the course:
Private instructor.
Classroom sessions.
Transport to the cenotes or boat from the shop.
Single, CCR, Sidemount and Doubles tanks.
Weights.
EAN 32 fills.
Certification card.
Water and snacks.
Not included:
Cenote entrance fee (x day between US$ 10 15).
Basic diving gear
Manual or elearning.
O2, Deco Gases and Trimix (when applicable).
Lunch.
Diving insurance.
Additional Services
Equipment rental and/or sale
Basic diving gear
Rental US$ 5 each x day (Wetsuit, Mask, Boots, Fins)
GASES Example
EAN 50, 80 CUF. US$ 21 por tanque
O2 100% 13 CUF. US$ 25 por tanque
Trimix 21/35 80 CUF. US$ 85 por tanque
Cave Equipment
Sidemount Harness (Rental US$ 20 x day).
Sidemount Regulator Set (Rental US$ 25 x day).
Twinset Wing / Backplate (Rental US$ 20 x day).
Twinset Regulator Set (Rental US$ 25 x day).
Stage Regulator and Rig ( US$ 15 x day).
Cave Primary Light (US$ 20 x day).
Backup Light (US$ 5 usd x day).
Scrubber
EAC Cartridge US $85 (4-5 hours scrubber)
Sofnolime 8 – 12 US $2 x lb.
Important Information:
Plan carfully your trip to minimize your enviromental impact, please avoid sunscreen / mosquito repellent or other skin products for all water activities. Whenever possible, choose rechargable batteries and aviod to carring things like disposable razors, plastic bags, plastic water bottels, etc. We are in a very fragil and pristine enviroment and is our responsability to keep it that way.
CCR diving is a highly demanding activity with a specific mindset and requires very good trim, buoyancy, propulsion, and awareness. We will do our best to improve your skills and knowledge, also we will set the best training plan according to the skills and experience of each diver to help them to succeed in the course but consider sometimes we need extra days to achieve the goals with a classroom or water sessions and we apply extra rate if is necessary. We strongly recommend to the students plan at least two extra days just in case.
Notes:
Please bring change of clothes & towels for cenote training days.
All courses are available in English or Spanish.