Extended Range Diving Services
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TDI Extended Range & Trimix
Are you looking to expand your depth range and reduce narcosis? Are you interested in exploring deeper sites, or staying down longer? The TDI Trimix course is designed to teach divers how to minimize narcosis by adding helium to their breathing gas safely. This course also helps divers become proficient at planning and executing dives using mixes with as little as 18 percent oxygen for depths up to a maximum of 60 meters/200 feet.
Who this course is for:
  • The certified Advanced Nitrox and Decompression Procedures diver looking to:
    • Extend their depth range
    • Reduce narcosis for all deep dives
    • Advance their technical diving education
By the end of this course you should be proficient at:
  • Advanced decompression dive planning including:
    • Gas planning based on equivalent narcotic depths, nitrogen and helium absorption and elimination, CNS and OTU 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
    • 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
  • Management of multiple decompression/stage cylinders
  • Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, injured/unconscious diver, etc)
  • Equipment considerations, cylinder labeling, analyzing trimix nitrox and mixes, and gas blending procedures
ExRDS Course prerequisites:
  • Minimum age of 18
  • Rescue diver certification from any recognized training agency
  • Nitrox diver, Adv. Nitrox & Decompression Procedures certifications from any recognized training agency
  • Proof of 100 logged dives or more
  • Experience with Technical diving from a boat in the ocean
Base price $950

My courses are priced to be competitive, while providing personalized and comprehensive instruction. With every course I teach, I strive to go above and beyond the basic curriculum, in order to reinforce the course fundamentals. This approach produces safer and more competent graduates. I also work to ensure maximum flexibility with your schedule, while choosing top diving operations as industry partners. Pricing includes a base amount that covers the learning materials, certification fees, and instruction. Additional expenses include travel, accommodations, boat fees, rental gear, and required personal gear (this varies depending on course type). I strongly encourage students to combine their training with travel, since I feel it maximizes your diving exposure and ability, while providing an adventure to create lasting memories and interactions.


         Contact Us               
252-723-1419
   
info@extendedrangedivingservices.com
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  • Recreational Training >
    • Entry Level Courses
    • Specialty Courses
  • Technical Training >
    • Intro to Tech Course
    • Advanced Nitrox Diver
    • Decompression Procedures Diver
    • Extended Range and Trimix Diver
    • Required Gear Checklist
  • Professional Training >
    • Divemaster
    • Open Water SCUBA Instructor Course
    • TDI Technical Divemaster
    • Technical Diving Instructor
  • Courses Documentation
  • Domestic Travel
  • Foreign Travel
  • Ocean Warriors
  • Industry Partners
  • Reviews
  • Feedback