TEC EQUIPMENT  
  For your technical diver courses with Bay Divers, you will need your own technical diving equipment. However, if you don’t have any of the kit below this can be rented to you for the duration of the course at a reasonable rate.  
 
  • Drysuit & appropriate thermal protection.
  • Mask, fins (not split fin), wet/dry gloves & hood.
  • Wing, backplate & harness or your own sidemount rig.
  • Double 12 litre cylinders of ideally with isolator manifold, acceptable for sidemount divers to use aliminum ‘ali 80’s/11 litre cylinders.
  • Two first stage and two second stage regulators, one second stage on 1.8 metre long hose minimum, single SPG & two LP inflator hoses.
  • Stage regulators (1st & 2nd stage with LP inflator).
  • Multi-gas computer and timer.
  • Compass if not integrated on dive computer.
  • Wet Notes.
  • Reel & DSMB.
  • Knife/cutting device.
  • Torch & backup.
  • Writst slate.
  • Back-up mask.
 
Certain small items such as reel, DSMB, wrist slate, mask, wetnotes etc can be purchased from us at discounted rates if purchased as part of your course.
  TDI INTRO TO TEC  
  Course Outline    
  The TDI Intro to Tech course is the perfect course for divers who have heard about technical diving and want to find out more about this exciting branch of advanced recreational diving. This course walks students through the special techniques, planning procedures and skills that set technical diving apart from traditional sport diving. It will show them how to improve their dive planning methods, in-water skills and streamline their existing gear configuration, in a non-threatening and fun learning environment. Deep Diving  
The specific skills this course will highlight are:
 
  • Advanced Buoyancy Control.
  • Gas Management.
  • Situational Awareness.
  • Trim.
  • Gear Configuration and Selection.
   
  pool group TDI’s Intro to Tech course is a useful stand-alone course for the diver who wants to become a more skilled, more proficient diver regardless of if he intends to move on to technical diving. The course may also be used as an introduction to the TDI Advanced Nitrox course and the TDI Decompression Procedures course. And finally, it is also a good refresher for certified technical divers who may want to refresh their skills or have them re-evaluated by a TDI technical instructor.
  Pre-Requisites  
 
  • PADI Advanced open water diver (or equivalent).
  • 15 years of age with parental consent or 18 years of age.
  • 25 logged dives.
 
  Knowledge Development  
  Once you have enrolled in the course you will be given a manual for your knowledge development before attending for two confined water sessions at the pool.  
  Open Water Dives  
  One confined water dive followed by two open water dives will be conducted using technical diving gear comprising of a backplate, harness, wing and twin cylinders. The maximum depth on the course will be 26 metres.  
  Course Duration  
  One evening plus one day in open water.  
  How much is it and what is included?  
  The course costs £140 and includes the following:  
 
  • Manual.
  • Certification Fee.
  • Twinset.
  • Harness.
  • Wing.
  • Regulators.
 
  What is not included?  
  Travel to and from the training locations and Open Water sites are your responsibility. The training normally culminates at NDAC Chepstow and 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.  
  What happens after your TDI Intro to Tec course?  
  Now you have taken the first step, your next course will be the TDI Advanced Nitrox Course which can be combined with the TDI decompression procedures course. You will start to learn certain foundation drills and skills to develop you into a competent & capable technical diver.  
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  TDI ADVANCED NITROX  
  Course Outline    
  The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox between 21% and 100% oxygen within your current certification level to a maximum depth of 40 metres not requiring staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career. Advanced Nitrox is also a great course for those wanting to extend their bottom times in shallower depths such as scientific diver, and a must for perspective semi-closed or fully closed rebreather divers. pool group  
The course covers topics such as:
 
  • Equipment requirements.
  • Dive planning.
  • Oxygen tracking.
  • Blending methods.
 
  You will use the TDI Advanced Nitrox Diving manual for your course, which explains in an easy to understand practical manner the complex information that Advanced Nitrox divers need to know.  
  Pre-Requisites  
 
  • PADI Advanced open water diver (or equivalent).
  • Nitrox diver.
  • 15 years of age.
  • 25 logged dives.
 
  Knowledge Development  
  Once you have enrolled in the course you will be given an on-line login to the TDI website where you will complete your knowledge development before attending for your open water training which includes an on-line final exam which can be administered locally.  
  Open Water Dives  
  Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset carrying a single cylinder for decompression. You will learn necessary skills required to become a technical diver and dive to a maximum depth of 40 metres. You will also carry a stage cylinder to get used to diving with one before you progress to using one for real on your next course.  
  Course Duration  
  Two days.  
  How much is it and what is included?  
  The course costs £250 and includes the following:  
 
  • Manual.
  • Decompression cylinder and stage regulators.
  • Certification Fee.
 
  What is not included?  
  Travel to and from the training locations and Open Water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of £17 per student per day payable directly to the centre. We can also however, complete the course in the sea should conditions be favourable, which can incur boat fees. There is also a fee for your own gas which is used on the course with the exception of standard air fills. There is also a fee for any equipment required for the duration of the course.  
  What happens after the TDI Advanced Nitrox Course?  
  pool group Now you have demonstrated basic competency using your technical diving equipment, your next step is enrolling on the TDI Decompression Procedures Course. The TDI Decompression Procedures course prepares you for planned staged decompression diving and you’ll be diving for the first time outside of recreational depth limits with a maximum depth of 45 metres. Your TDI Instructor will provide you with valuable information and skills that you will be required to demonstrate a level of competency. The TDI Decompressions Procedures course can be combined with the TDI Advanced Nitrox course over four days and six dives giving you a firm platform of competency and avoiding ‘skill fade’ between courses. The cost for this combined course is £450.
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  TDI DECO PROCEDURES  
  Course Outline    
  With a maximum operating depth of 45 metres, this course is your first step beyond the normal sport diving limits and so far planning for and executing staged decompression is not something that you’ve been taught. The TDI Decompression Procedures course builds on technical diving equipment configuration and we begin to use computer generated dive tables and plan dives using custom nitrox mixes up to 1.6 partial pressure for oxygen. Your TDI Instructor will provide you with valuable information and skills, among the topics covered are:  
 
  • Technical diving equipment set-up.
  • Equipment requirements.
  • Technical diving skills & drills.
  • Decompression techniques.
  • Decompression breathing gases.
  • Gas management.
  • Contingency planning.
  • Problem solving procedures.
nitrox  
  Some of the materials you will be using include the TDI Divers Guide to Decompression Procedures, US Navy or Buhlmann Air Decompression Tables (made of vinyl for easy in-water use and storage).  
  Pre-Requisites  
 
  • PADI Advanced open water diver (or equivalent).
  • Certified in deep diving (40 metres) and a 'nitrox' qualification.
  • 18 years of age.
  • 25 logged dives.
 
  Knowledge Development  
  Once you have enrolled in the course you will be given a TDI Decompression Procedures manual for you to complete your knowledge development before attending for your open water training.  
  Open Water Dives  
  pool group Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset carrying a single cylinder for decompression. You will learn and demonstrate competency in technical diving skills and drills which are required to become a technical diver. You will dive to a maximum depth of 40 metres executing a gas switch to your decompression gas on ascent and carry out a decompression stops for no more than 10 minutes with a mix of anything up to 100 percent oxygen.
  Course Duration  
  Two days.  
  How much is it and what is included?  
  The course costs £250 and includes:  
 
  • Manual .
  • Certification fee.
 
  What is not included?  
  Travel to and from the training locations and Open Water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of £17 per student per day payable directly to the centre. We can also however, complete the course in the sea should conditions be favourable, which can incur boat fees. There is also a fee for your own gas which is used on the course (decompression cylinders) excluding your back gas or air. There is also a fee for any equipment required for the duration of the course.  
  What happens after the TDI Decompression Procedures Course?  
  Once you have completed this course it’s a case of going away, getting some technical diving experience under your belt before enrolling on the TDI Trimix Course. On this course you will master the skills you learned on your Decompression Procedures Course and learn to dive using trimix in your back mounted twinset to a maximum depth of 60 metres. For decompression you will manage two extra stage cylinders with a ‘rich’ and ‘lean’ oxygen mix.  
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  TDI EXTENDED RANGE  
  Course Outline    
 

The course is designed to introduce you to deeper diving well beyond recreational limits with extensive emphasis on equipment requirements, team constraints, techniques and hazards of diving deep air to an absolute maximum depth of 55 metres with a particular emphasis on the dangers and monitoring of gas narcosis. We'll further refine your technical skills that you've already taught on previous courses and we'll be using two stages using mixes of nitrox and oxygen for accelerated decompression and racking up at least 100 minutes in water time.

 
 
  • Emphasis on gas narcosis, dive physics, physiology, dive planning & contingency.
  • Equipment requirements and configuration.
  • Decompression options.
  • Drills & skills including shutdown and DSMB deployment.
  • Gas switching using two stage cylinders.
  • Technical rescue.
nitrox  
  Pre-Requisites  
 
  • Advanced Nitrox Diver and Decompression Procedures Diver or PADI DSAT Tec40 diver or equivalent.
  • 100 logged dives, of which 25 must be deeper than 30 metres .
  • Minimum 18 years of age.
 
  Knowledge Development  
  Once you have enrolled in the course you will be given the TDI Extended Range manual for you to complete your knowledge development before attending for your open water training.  
  Open Water Dives  
 
Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset or sidemount rig carrying a two extra stage cylinders for travel and/or decompression. Further emphasis will be placed on fine tuning your skills to reflect your perspective qualification progressing up from the entry level technical diver that you already are. You will be qualified to dive to an absolute maximum depth of 55 metres using air as a back gas and executing up to two gas switches to your decompression gas on ascent in order to carry out accelerated decompression stops.
  Course Duration  
  Four days.  
  How much is it and what is included?  
  The course costs £450 and includes:  
 
  • Manual .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  What is not included?  
  Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. We can and if you wish, complete the course in the sea should conditions be favourable, which can incur boat fees. The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course. You'll need all your own technical dive equipment and we'll discuss this, but don't worry, anything your short of we can rent you for the duration of the course at a reasonable rate.  
  What happens after the TDI Extended Range Course?  
  Now a competent and capable technical diver, you'll be ready to move forward into the world of trimix diving and all it's advantages. Check out our TDI Trimix & PADI Tec Trimix 65 courses!  
      Back to Top of Page  
  TDI TRIMIX  
  Course Outline    
 

A course designed to further extend your depth range well beyond recreational limits whilst reducing gas narcosis during deep dives and carrying up to three stage cylinders. We will breathe a custom mix of oxygen, nitrogen and helium, we call this ‘Trimix' and you'll learn the benefits, hazards and proper procedures of diving trimix as a backgas which will extend your depth rating from your current qualification to 60 metres, a considerable difference to satisfy your exploration needs. We'll be planning and executing dives utilising as little as 18 percent oxygen to maximum depth of 60 metres with a blend of helium appropriate for the planned depth. You'll learn:

 
 
  • Equipment selection, analising helium and marking cylinders.
  • Gas planning based on equivalent narcotic depths, nitrogen and helium absorption and elimination, CNS and OUT limits, Isobaric Counter diffusion, volume requirements, etc.
  • Advanced dive planning.
  • Emergency and contingency planning (equipment failure, omitted decompression, etc).
  • Accelerated decompression diving procedures including team awareness & communication.
 
  Pre-Requisites  
 
  • Minimum of Advanced Nitrox Diver AND Decompression Procedures Diver, PADI DSAT Tec45 diver or equivalent.
  • 100 logged dives, of which 25 must be deeper than 30 msw .
  • Minimum 18 years of age.
 
  Knowledge Development  
 

Once you have enrolled in the course you will be given the TDI Trimix manual for you to complete your knowledge development before attending for your open water training.

 
  Open Water Dives  
  pool group

Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset carrying a two stage cylinders for decompression with the scope to carry a third cylinder for travel. The main focus of the course will be to ensure your skills in the water are of a suitably high standard to warrant the Trimix certification. You will dive to a depth of 60 metres using trimix as a back gas and execute two gas switches to your decompression gas on ascent in order to carry out accelerated decompression stops. The first two dives will take place in less than 30 metres of water with dive three deeper than 40 metres setting you up for your 60 metre qualifying dive.

  Course Duration  
  One evening theory .  
  How much is it and what is included?  
  The course costs £490 and includes:  
 
  • Manual .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  What is not included?  
 

Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. We can and if you wish, complete the course in the sea should conditions be favourable, which can incur boat fees. The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course.   If you are unable to complete the performance prerequisites required for certification, additional training days are charged at £130 a day. You'll need all your own technical dive equipment and we'll discuss this, but don't worry, anything your short of we can rent you for the duration of the course at a reasonable rate.

 
  What happens after the TDI Trimix Course?  
 

After you've racked up enough experience you'll be ready to proceed to the highest technical level, that of Advanced Trimix diver, allowing you to dive to 100 metres. Big dive territory!

 
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  PADI TEC 40  
  Course Outline    
  Perhaps you don’t want to get fully into technical diving just yet, with the complexities of backplates, wings, harnesses & longhoses. You’re happy ‘single tanking’ it but feel you’d like to extend your bottom time at 40 metres in the equipment This course will appeal to experienced recreational divers who are now seeking to bridge the gap between recreational diving and full technical deep decompression diving. The course is permitted to be conducted diving recreational dive gear carrying a pony and stage cylinder although diving a twinset, backplate and harness is recommended if you feel that you’d like to progress up the PADI technical diving ladder. This course qualifies students to use stage cylinders and technical equipment configuration in order to complete limited decompression dives to a maximum depth of 40 meters using nitrox mixtures of up to 50 percent in your side slung deco stage. You’ll plan your dives using deco software and dive computers, and learn how to track oxygen and learn the practical applications such as using twin sets/stage cylinders to execute skills such as gas shut downs, gas sharing ascents, stage cylinder removal, deco gas switching and swim techniques. diving  
  Pre-Requisites  
 
  • PADI Advanced open water diver (or equivalent).
  • Certified in deep diving (40 metres) and a 'nitrox' qualification.
  • 18 years of age.
  • 30 logged dives, 10 made with nitrox and 7 deeper than 30 metres.
  • Doctor's certification prior to commencement of training.
 
  Knowledge Development  
  pool group The first day or two evenings will be spent covering three knowledge development sessions using the PADI Tec Deep manual. You’ll cover subjects such as risk and responsibilities regarding technical diving, kit set up and considerations, decompression software, equipment gas planning and the ethos of thinking like a tec diver and acting as a part of a more coherent team. You will also take the Tec 40 exam. Some of these sessions will be conducted at a later stage of the course.
  Confined Water Session  
  After each Knowledge Development session you will move to the pool where you will put into practice what you have learnt so far. This phase of the course will focus upon problem solving and accident management techniques, which will be run by way of realistic but very enjoyable scenario exercises.  
  Open Water Dives  
  Three further dives will be conducted where you’ll end up diving to a maximum depth of 40 metres executing a gas switch to your decompression gas on ascent and carry out a decompression stop for no more than ten minutes.  
  Course Duration  
  Three days in duration. The first day can be done over two evenings with a two day open water package to complete the course, or over two weekends  
  How much is it and what is included?  
  The course costs £495 and includes the following:  
 
  • Manual.
  • Slates.
  • Certification fee.
 
  What is not included?  
  The training normally culminates at NDAC Chepstow and there is a fee of £17 per student per day payable directly to the centre. We can hire you any kit you require for your course and full technical equipment should you require and don't wish to make that initial outlay straight away.  
  What happens after the Tec 40 Course?  
  Now you have taken the first step, your next course is the PADI TecRec Tec45 course where you will learn the skills and equipment and planning need to dive to a maximum of 45 metres. The knowledge to plan and execute single and repetitive decompression dives using a single stage cylinder of EANx or oxygen to accelerate or add conservatism to the decompression stops with no time limit to the amount of decompression. You’ll also learn to master the basic skills and procedures required to move into deeper technical diving. Alternatively, you can progress in other systems such as Technical Diving International (TDI), the largest technical diving training agency in the world.  
      Back to Top of Page  
  PADI TEC 45  
  Course Outline    
  The PADI Tec 45 course is the second part of the full PADI Tec Deep Diver program. This course will not only increase your depth rating to 45 metres but will qualify you to use a richer percentage of oxygen, of anything up to 100% for accelerated decompression and lay the path for further development. You may have done your Tec 40 course with a recreational set-up, the course will now put you in a complete technical diving rig, if you're not already in one, which can be either backmount or sidemount. Your training will include:
  • Three knowledge development sessions.
  • Three practical application sessions.
  • Fine tuning gas planning.
  • Gas choices and calculating accelerated decompression dives.
  • Drills & skills including shutdowns and DSMB deployment.
Tec45  
  Pre-Requisites  
 
  • Be a PADI Rescue Diver/CMAS 2* or equivalent.
  • Be a PADITec 40 diver or TDI/IANTD Advanced Nitrox diver or equivalent.
  • 18 years of age.
  • Have a minimum of 50 logged dives, with at least 12 dives on enriched air nitrox deeper than 18 metres/60 feet and 10 dives deeper than 30 metres/100 feet.
  • Have a Medical Statement signed by a physician within the last 12 months.
 
  Knowledge Development  
  Tec 45 Once you've enrolled in the course you will be given the PADI Tec Deep Diver crew-pack that includes a PADI Tec Deep Diver manual, which you'll use for self-study and you'll continue to use this through your Tec 50 course too.
  Open Water Dives  
 

Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset or sidemount rig, carrying a single stage cylinder for decompression. You'll demonstrate some new skills whilst showing competence with some old ones such as your gas shutdowns & DSMB deployment. You will dive to a depth of 45 metres using air as a back gas and executing a gas switch to your decompression gas, of anything up to 100% oxygen in order to carry out accelerated decompression stops.

 
  Course Duration  
  One evening theory, two days in open water.  
  How much is it and what is included?  
  The course costs £350 and includes the following:  
 
  • Course materials .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  What is not included?  
 

Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. We can and if you wish, complete the course in the sea should conditions be favourable, which can incur boat fees. The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course. You'll need all your own technical dive equipment and we'll discuss this, but don't worry, anything your short of we can rent you for the duration of the course at a reasonable rate.

 
  What happens after the PADI Tec 45 Course?  
 

On completion of the Tec 45 course and after enough experience you'll be ready to progress to the PADI Tec 50 course, going deeper and using two stage cylinders of different mixes to further accelerate your decompression obligation.

 
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  PADI TEC 50  
  Course Outline    
 

The third and final component part of the PADI Tec Deep Diver program is the Tec 50 course. As a Tec 50 diver, you show that you've developed competency as a technical diver and have the skills to dive to a maximum of 50 metres. You know how to make extended, accelerated decompression stops using up to two gases. Earning your Tec 50 certification opens the door to deeper diving expeditions whilst paving the way into the world of yet deeper trimix diving. A primary focus of this course is dive planning, execution and learning more about handling emergencies.

You'll learn the following:

  • Two knowledge development sessions .
  • Three practical application sessions.
  • Fine tuning gas planning.
  • Gas choices and calculating accelerated decompression dives.
  • Drills & skills including shutdowns and DSMB deployment
diving  
  Pre-Requisites  
 
  • Be a PADI Rescue Diver/CMAS 2* or equivalent.
  • Be a PADI Tec 45 diver, TDI advanced nitrox & deco procedures diver or equivalent.
  • Have a minimum of 100 logged dives, with at least 20 dives on enriched air nitrox deeper than 18 metres/60 feet and 15 dives deeper than 30 metres/100 feet.
  • Be at least 18 years old.
  • Have Medical Statement signed by a physician within the last 12 months.
 
  Knowledge Development  
  Tec 50 You'll continue to use the PADI Tec Deep Diver crew-pack that includes a PADI Tec Deep Diver manual in conjunction with your knowledge development sessions.
  Open Water Dives  
 

Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset or sidemount rig carrying two stage cylinders for accelerated decompression. You'll continue to broaden your horizons with some new skills introduced and demonstrate competency of some old ones too such as your gas shutdowns & DSMB deployment. You will dive to a depth of 50 metres using air as a back gas and executing two gas switches and staged accelerated decompression using gasses of anything up to 100% oxygen.

 
  Course Duration  
  One day for theory, two days open water training.  
  How much is it and what is included?  
  The course costs £350 and includes the following:  
 
  • Course materials .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  What is not included?  
  Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. We can and if you wish, complete the course in the sea should conditions be favourable, which can incur boat fees. The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course. You'll need all your own technical dive equipment and we'll discuss this, but don't worry, anything your short of we can rent you for the duration of the course at a reasonable rate.  
  What happens after the PADI Tec 50 Course?  
 

After you've racked up enough experience you'll be ready to proceed to enrol on the PADI Tec 65 trimix diver course, allowing you to dive to 65 metres using trimix, a blend of leaner oxygen and nitrogen and a percentage of helium in the mix.

 
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  PADI TEC TRIMIX 65  
  Course Outline    
  A course designed to further extend your depth range well beyond recreational limits whilst reducing gas narcosis during deep dives, we do this by breathing a custom mix of oxygen, nitrogen and helium, we call this ‘Trimix'. You'll learn the benefits, hazards and proper procedures of diving trimix as a backgas which will extend your qualification from your current 50 metre qualification to 65 metres, a considerable difference to satisfy your exploration needs. We'll be planning and executing dives utilising as little as 18 percent oxygen to maximum depth of 65 metres with a blend of helium appropriate for the planned depth. We can combine the Tec Trimix 65 & the full Tec Trimix course, which might be of interest to you!

You'll learn the following:

  • Gas planning based on equivalent narcotic depths, nitrogen and helium absorption and elimination, CNS and OUT limits, Isobaric Counter diffusion, volume requirements, etc.
  • Decompression gas choices.
  • Tables vs. personal dive computers.
  • Emergency and contingency planning (equipment failure, omitted decompression, etc).
  • Decompression diving procedures.
    • Drills & skills including shutdowns and DSMB deployment.
    • Equipment selection.
    • Pre-dive checks and drills.
    • Stress analysis and mitigation.
    • Following a decompression schedule.
    • Multiple Gas switching carrying three to four stage cylinders.
    • Team awareness and communication.
Tec 65  
  Pre-Requisites  
 
  • Are PADI Tec 50 diver or TDI Advanced Nitrox & Decompression Procedures diver or equivalent .
  • Have a minimum of 100 logged dives.
  • Minimum 18 years of age.
  • Hold a valid First Aid/CPR certificate within last 24 months.
  • Have a Medical Statement signed by a physician within the last 12 months.
 
  Knowledge Development  
  Tec 65 Once you have enrolled in the course you will be given the Tec Trimix Diver crew-pack that includes a PADI Tec Trimix Diver manual, which you can start reading in preparation for your course. You will also receive a deep stop calculation table, trimix decal and emergency procedures slate as part of your pack .
  Open Water Dives  
 

Four dives will be conducted using full technical diving equipment comprising of backplate, wing, harness & twinset carrying a three to three stage cylinders for decompression with the scope to carry a fourth as a travel gas. The main focus of the course will be to ensure your skills in the water are of a suitably high standard to warrant the Tec 65 Trimix certification. You will dive to a depth of 65 metres using ‘trimix' as a back gas and executing three gas switches to your decompression gas on ascent in order to carry out accelerated decompression stops. The first two dives will take place in less than 30 metres of water with dive three deeper than 40 metres setting you up for your ultimate 65 metre qualifying dive .

 
  Course Duration  
  One evening theory, four days open water training.

If completing Tec Trimix 65 & Full Trimix course we'll need seven full days

 
  How much is it and what is included?  
  The course costs £490 and includes the following:  
 
  • Course materials .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  If enrolling in the Tec Trimix 65 & full Tec Trimix course we’ll give you a great discount, instead of £1090 we’ll do this for you for £950!  
  What is not included?  
 

Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. We can and if you wish, complete the course in the sea should conditions be favourable, which can incur boat fees. The course can also be completed in Egypt as we organise a trip every year. Get in touch, and we'll let you know when we are next there!

The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course. If you are unable to complete the performance prerequisites required for certification, additional training days are charged at £130 a day. You’ll need all your own technical dive equipment and we’ll discuss this, but don’t worry, anything your short of we can rent you for the duration of the course at a reasonable rate

 
  What happens after the PADI Tec Trimix 65 Course?  
 

After you've racked up enough experience you'll be ready to proceed to the highest technical level, that of the advanced Full Trimix diver, enrol in the full PADI Tec Trimix course which will give you an unlimited depth rating. Big dive territory! .

 
      Back to Top of Page  
  PADI TEC FULL TRIMIX  
  Course Outline    
  Ready for the outer edge of technical diving, or want to be in the running to be selected to be an extreme exploration diver? You'll already be a capable and qualified trimix diver and the course will convert you into an extreme diver opening the door to pristine dive sites few divers, if any, have ever seen. An advanced course, the training will extend your depth range capabilities by training you to use a hypoxic trimix mix with no maximum depth limit. The Tec Full Trimix Diver course emphasises mission application:

You'll learn the following:

  • Gas selection options, especially deco gases.
  • Bubble models and deep stops.
  • Using multigas trimix computers.
  • Handling up to four stage/deco cylinders.
diving  
  Pre-Requisites  
 
  • Be a trained trimix diver from any agency .
  • Have a minimum of 150 logged technical dives .
  • Are at least 18 years old.
  • Hold a valid First Aid/CPR certificate within last 24 months.
  • Have a Medical Statement signed by a physician within the last 12 months
 
  Knowledge Development  
  Full Tri Once you have enrolled in the course you will work through the appropriate sections of the T ec Trimix Diver manual that is part of your PADI Tec Trimix Diver crew-pack.
  Open Water Dives  
 

One confined water training dive will be completed followed by five trimix dives of increasing depth on separate days using full technical diving equipment comprising of backplate, wing, harness & twinset carrying a minimum of four stage cylinders for decompression/travel. We'll be planning these dives using decompression software and dive tables and using multi-gas computers in the water.

 
  Course Duration  
  One day theory, five days open water training.  
  How much is it and what is included?  
  The course costs £600 and includes the following:  
 
  • Course materials .
  • Certification fee.
  • Free weights & stage cylinder rental.
 
  What is not included?  
 

Travel to and from the training locations and open water sites are your responsibility. The training normally culminates at NDAC Chepstow and there is a fee of approximately £17 per student per day payable directly to the centre. Due to the depth requirements of the course, there are only a couple of options open to us which are predominantly in-land water locations. If you'd like to complete this course in Egypt, let us know and we'll let you know when we are next there!

The cost of your and the instructors gas (shared for two or more students) is also your responsibility for the duration of the course. If you are unable to complete the performance prerequisites required for certification, additional training days are charged at £130 a day. You'll need all your own technical dive equipment and we'll discuss this, but don't worry, anything your short of we can rent you for the duration of the course at a reasonable rate.

 
  What happens after the PADI Tec Full Trimix Course?  
 

All the courses in the PADI system have a link to the next higher qualification or level, you've reached the top. Congratulations! You may not already be a rebreather diver or perhaps you've thought about it in the past, get in touch, we might be able to help you. In the meantime, we at Bay Divers hope that you enjoy many new adventures and hopefully expeditions that your new qualification has given you, good luck & be safe!

 
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