Cavern and Cave Diver training – Open Circuit 1.1. TDI Intro to Tech Diver

The TDI Intro to Tech Diver course is designed for sport divers who wish to perfect basic diving skills and learn how to use redundant cylinder configuration. The techniques and knowledge learned during this class prepare students for more advanced and technical training programs. The program is recommended for divers who wish to take technical or cave diving classes but lack the experience with double-tank redundant configuration. The course will be taught in double-tanks configuration with isolator and will focus on the fundamental skills (breathing, buoyancy, trim, body position and propulsion techniques), gas management and emergency protocols and procedures. The TDI Intro to Tech Diver is great to prepare the student for cave or technical diving courses, without the stress of overhead environment and/or decompression obligation. Duration and price 3 days – $275 USD

Prerequisites 18 years old Open Water Diver 25 logged dives

1.2. TDI Sidemount Diver

The TDI Sidemount Diver Course teaches students how to use side-mounted primary cylinders as an alternative to back-mount. Side-mount configuration can be used by sport and technical divers alike. The course is a necessary preparation prior to technical or cave diving courses in side-mount configuration. The TDI Sidemount Diver course focuses on the specific aspects of side-mount, such as different gas-management, equipment failures and problem solving.

Side-mount configuration is minimalistic and more streamlined. Also it is safer, since it provides true gas redundancy, but to fully enjoy it, you need solid basic skills (as you carry more gear) and clean, streamlined equipment set up. The TDI Sidemount Diver course will reinforce fundamental skills such as breathing, buoyancy control, trim, body position and propulsion techniques as much as develop a deeper understanding of diving equipment and configuration. Also it will teach equipment do/doff sequences and water entry/exit protocols. The Course is necessary prior to engage in a technical or cave diving course in side-mount configuration. Duration and price 4 days – $1,000 USD Prerequisites 18 years old Open Water Diver 25 logged dives

1.3. TDI Cavern Diver

The TDI Cavern Diver program is designed to develop the skills necessary to dive safely in overhead environment within the limits of natural daylight penetration and within a short distance from the exit. It is the first step toward Full Cave Diver’s certification. The TDI Cavern Diver course is taught in redundant configuration, either on twin tanks or sidemount. Technical divers can enter the course directly. Recreational divers must complete the Intro to Tech Diver course or the Sidemount Diver course prior to start. Those courses can also be combined.

The course develops the mindset, techniques and theoretical knowledge to safely conduct cavern dives. Students will learn proper dive planning and gas management as well as new, more refined diving techniques appropriated for the cavern environment with cave conservation in mind. Academic presentations, land-drills, confined water session(s), and a minimum of 4 cavern dives are included in the course.

Duration and price 3 days – $750 USD Prerequisites 18 years old Intro to Tech or Sidemount Diver 50 logged dives Combinations Intro to Tech + Cavern 5 days – $1,250 USD Sidemount + Cavern 6 days – $1,500 USD

1.4. TDI Intro to Cave Diver

The TDI Intro to Cave Diver program is the first step into the cave, after becoming a Cavern Diver. It teaches you the necessary cave diving techniques and protocols, respecting conservative gas management and safe penetration distances. It is a prerequisite to enter the Full Cave Diver course. The TDI Intro to Cave Diver course teaches divers how to execute cave dives according to precise pre-dive planning and following a continuous guideline. Also, it prepares the diver for the specific hazards inherent from diving into a cave environment, such as blackouts, loss of guideline or team separation and more. One of the course objectives is to give you the tools for safe and respectful cave diving through the refinement of fundamental skills such as breathing, buoyancy control, trim, positioning and propulsion skills. Mental preparation, awareness, sound judgement and analysis, emergency protocols as well as perfect mastery of fundamentals skills are all aspects developed during the training. Duration and price 3 days – $275 USD Prerequisites 18 years old Cavern Diver 75 logged dives Combinations Cavern + Intro to Cave 5 days – $1,250 USD

Intro to Tech + Cavern + Intro to Cave 8 days – $2,000 USD Sidemount + Cavern + Intro to Cave 9 days – $2,250 USD

1.5. TDI Full Cave Diver

The TDI Full Cave Diver course extends the skills and knowledge of Intro to Cave divers to prepare them for more complex dives, including unlimited penetration distances, complex navigation and swimming through confined spaces and restricted passages. It teaches you how to plan a dive with more complex planning and gas management. Also, it enhances previously learned skills to fit new and more challenging situations. Greater distances require a higher self-awareness from the divers, as the physical and psychological challenges increase. Full Cave divers can pass intersections and place temporary lines in order to perform jumps, gaps, circuits and traverses. Complex navigation requires refined diving techniques and advanced referencing methods to avoid disorientation. As divers venture into smaller passages, the risk of being stuck or to be entangled increases exponentially. The TDI Full Cave Diver course provides you with simple, efficient protocols and helps you develop clear mindset coupled with sound judgement in stressful situations. Duration and price 4 days – $1,000 USD Prerequisites 18 years old Intro to Cave Diver

100 lodged dives Combinations Intro to Cave + Full Cave 6 days – $1,500 USD Cavern + Intro to Cave + Full Cave 9 days – $2,250 USD Intro to Tech + Cavern + Intro to Cave + Full Cave 12 days – $3,000 USD

Sidemount + Cavern + Intro to Cave + Full Cave 13 days – $3,250 USD

Cave specialties 1.6.1. TDI Cave Stage Diver

The TDI Cave Stage Diver course is an advanced cave diving program and is designed for divers who are already certified as Full Cave divers and who want to extend bottom times and/or penetration distance through the use of stage cylinders. As for all overhead diving courses, students are expected to have a high level of mastery in fundamental skills such as buoyancy, trim and propulsion techniques. Divers will learn to plan dives with more complex gas management and longer bottom times, as well as multiple methods of cylinder rigging and staging, according to the environment. Mind-set, stress-management, awareness and conservation of the environment are all very important aspects of any type of diving and represent an important part of the program. Upon completion of the TDI Cave Stage Diver course, students must show mastery of the specific cave stage diving skills as well as sound and mature judgement concerning dive planning and decision making. Duration and price 3 days – $750 USD Prerequisites 18 years old Full Cave Diver 25 logged cave dives

1.6.2. TDI Cave Sidemount Diver

The objective of the TDI Cave Sidemount Diver course is to teach cave divers how to safely use a sidemount configuration in overhead environment, taking in consideration the specific hazards resulting of the combination of both the environment and the configuration. Sidemount configuration is more versatile and safer to use in caves, but also allows you to go places back-mount doesn’t allow you to, therefor self-limitation and sound judgement in every situation are paramount. During the TDI Cave Sidemount Diver course, divers will learn their equipment configuration inside-out and will be able to perform quick fix directly underwater in case of equipment malfunction, as well as manipulate their cylinders safely in and out of the water. The program teaches the proper techniques, protocols and gas management specific to the use of sidemount configuration in a cave environment. The TDI Cave Sidemount Diver course is also a necessary preparation for more complex forms of diving such as Advanced Sidemount Cave diving. Duration and price 4 days – $1,000 USD Prerequisites 18 years old Full Cave Diver

1.6.3. TDI Advanced Cave Sidemount Diver

The TDI Advanced Cave Sidemount Diver course’s objective is to teach how to safely dive into cave passages so restricted that it becomes necessary to remove equipment to pass. It focuses on the stress management and mind preparation as well as on equipment removal and advanced propulsion techniques. The TDI Advanced Cave Sidemount course is designed for experienced side-mount cave divers who wish to push their skills and knowledge to the limit. Students will learn how to safely remove equipment in order to pass restricted areas and how to solve equipment problem and failures directly underwater. A proper mental preparation and the capacity of calm, sound judgement in stressful situations is paramount as the hazards increase in confined passage. At that level, cave passages become so small that in some cases divers must solve problems without the assistance of the team mates, in zero visibility and in very small caves, which leads to diver’s autonomy in all situations. The TDI Advanced Cave Sidemount course is an extreme cave diving course and is a real challenge for the student. Duration and price 4 days – $1,000 USD Prerequisites 18 years old Cave Sidemount Diver or Full Cave Diver 100 logged sidemount cave dives

1.6.4. TDI DPV Cave Diver

The TDI DPV Cave Diver course’s objective is to teach certified and experienced cave divers how to safely use a Diver’s Propulsion Vehicle in a cave environment. It focuses on the techniques and very high awareness level necessary to properly and safely “drive” a DPV in an overhead environment, as well as the complex gas planning involved in this kind of diving.

Divers will also learn the specificities and the different components of a DPV, as well as proper use and maintenance. The TDI DPV Cave Diver course is designed for experienced cave divers who wish to extend their penetration range into known cave systems. Also, driving a DPV is simply a lot of fun, and that probably is a good enough reason to engage in this kind of diving in the first place! Students will learn how to safely handle a DPV in all situations and handle all related potential mechanical problems. Also, students will learn how to properly plan a DPV cave dive, integrating more complex and conservative gas management in their dive planning. A proper mental preparation and the capacity of calm, sound judgement in stressful situations is paramount as the hazards increase with the much higher penetration speed. At that level, a good team dynamics and communication is more difficult to achieve, it is easier to stray away from the line and team’s separation becomes a greater risk too. Therefor, students will be asked to raise their awareness level even higher. Students must have an extended experience of cave diving and handling stage cylinders prior to start the course. The TDI Advanced Cave Sidemount course is an advanced cave diving course and is a real challenge for the student in terms of refined basic techniques such as buoyancy control, awareness, communication and trim. Duration and price 4 days – $1,000 USD

Daily DPV rental fee (discounted) $50 USD Prerequisites 18 years old Stage Cave Diver 15 stage logged stage cave dives

1.6.5. TDI Cave Surveying Diver

The TDI Cave Surveying Diver course is designed for trained and experienced cave divers who wish to collect precise data during a cave dive with the objective to create a “stick map” of the cave system. It is also a necessary preparation step for cartography, which will use the collected data to create a geological map. The program encourages the use of cave maps for dive planning and increases the diver’s awareness and knowledge of the surrounding environment. It will focus on the safe techniques, procedures and skill necessary, associated with surveying in caves. Gas management becomes more complex, as swimming and surveying don’t take the same time. Surveying cave divers typically tend to concentrate on the surveying datas and there is a much higher risk of forgetting basic limitations. Therefor, one of the objectives of the course is to raise awareness at a much higher level, as well as the general knowledge of the cave environment. Modern days surveying divers use different techniques and procedures to gather the datas and produce maps. We, at DZD, will focus on the most practical solutions, such as modern surveying tools and softwares, but also teaching students “older” and more manual methods, in case the technologie fails you… Skills will include, manual and mechanical data gathering as well as the proper use of softwares and how to exploite these tools efficiently. Also, students will learn basic preparatory techniques, such as knotting lines, advanced line techniques, etc. Obviously, in order to gather information efficiently, surveying cave diver must display a very high mastery in basic cave diving skills such as buoyancy control, trim and propulsion techniques, as well as a high awareness and knowledge of their environment. Duration and price 4 days – $1,000 USD Prerequisites 18 years old Stage Cave Diver 100 logged cave dives

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