Decompression Procedures

    Taking you beyond the recreational depth and time limits!

    "Is it time to go deeper for longer?" if your reading this then it's because you have already asked yourself this question, entering the world of Technical diving can prove intimidating but it needn't be. Here at Big Blue Tech, we specialize in the foundation courses that are SO important to being a competent and safe Technical diver.

    As sport divers, planned decompression is not something that we do or have been taught. The TDI Decompression Procedures Course prepares you for planned staged decompression diving. With a maximum operating depth of 45 metres/150 feet, this course is your first step beyond the normal sport diving limits. The TDI Decompression Procedures Course combined with the TDI Advanced Nitrox course form the foundation of all other technical courses. After these two courses and some additional experience, the stage has been set for you to move onto additional technical levels.

    If you have more time check out the Tech Internship and enjoy unlimited sports and Technical diving during your stay.


    What's Involved?

    Who this course is for:

    • The certified Advanced Diver looking to expand their knowledge of decompression theory and diving techniques
    • The certified Advanced Diver who is interested in extending their bottom time
    • The certified Advanced Diver who has interest in moving forward with technical diving education

    What you can expect to learn:

    • Decompression dive planning including:
      • Decompression gas choices
      • Tables vs. personal dive computers
      • Emergency and contingency planning (equipment failure, omitted decompression, etc.)
    • Decompression diving procedures
      • Equipment selection
      • Pre-dive checks and drills
      • Stress analysis and mitigation
      • Following a decompression schedule
      • Gas switching
      • Team awareness and communication
      • SMB/lift bag deployment
    • Proper trim, buoyancy and finning techniques
    • Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, etc.)
    • Equipment considerations, cylinder labeling, analyzing nitrox mixtures, and gas blending procedures

    What’s in it for you?

    • Ability to conduct decompression diving activities without direct supervision provided:
      • The diving activities approximate those of training
      • The areas of activities approximate those of training
      • Environmental conditions approximate those of training
    • Ability to enroll in TDI Advanced Nitrox, TDI Extended Range, TDI Advanced Wreck, TDI Trimix courses

    TDI Decompression Diver minimum certification requirements:

    • Satisfactorily complete the TDI Decompression Procedures course written examination
    • Complete all open water requirements safely and efficiently
    • Demonstrate mature, sound judgment concerning dive planning and execution

    How long will it take?

    What do I need to start?


    Am I Fit to Dive?

    Read this Medical questionnaire,if you can answer yes to any of the questions, you may require medical clearance to enroll on a diving course. Email us if you want more information.

    10% DISCOUNT!


    Add Promotion Code BBT-ANDP to your booking comments to recieve your 10% discount on the Decompression Procedures when booked as a combination with the Advanced Nitrox course (Discount applies to combined price of both individual courses).

    Discount only applies to online bookings made prior to arrival.


    20,000 Baht 

    Includes All equipment*, course materials and certification on successful completion.

    Note * At this level divers are expected to have a primary mask, computer, and wrist slates. These items can also be rented for the entire course at the minimal cost.

    Bespoke options:

    Big Blue Tech can tailor any combination of courses our customers require, with experienced instructors who offer exceptional training.

    Please contact us below with any questions.

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