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DSATTec Trimix Diver CourseInstructor Guide
Section ONE: DSAT Tec Trimix Diver                                                Instructor GuideDSAT Tec Trimix Diver In...
Instructor Guide                                        Section ONE: DSAT TecTrimix DiverTable of ContentsSection ONE: Int...
Section ONE: DSAT Tec Trimix Diver                                    Instructor GuideSection THREE: Course Outline       ...
Instructor Guide                                          Section ONE: DSAT TecTrimix DiverDSAT Tec Trimix Diver CourseIns...
Section ONE: DSAT Tec Trimix Diver                                           Instructor Guide      suited to a particular ...
Instructor Guide                                         Section ONE: DSAT TecTrimix Diver            4. What is the indiv...
Section ONE: DSAT Tec Trimix Diver                                               Instructor Guide           with arbitrary...
Instructor Guide                                          Section ONE: DSAT TecTrimix DiverCourse OverviewThe DSAT Tec Tri...
Section ONE: DSAT Tec Trimix Diver                                               Instructor Guide     The dives apply mate...
Instructor Guide                                             Section TWO: Course StandardsSection TWO:Course StandardsThis...
Section TWO: Course Standards                                                     Instructor GuideInstructor RequirementsT...
Tri mix instructor guide
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  1. 1. DSATTec Trimix Diver CourseInstructor Guide
  2. 2. Section ONE: DSAT Tec Trimix Diver Instructor GuideDSAT Tec Trimix Diver Instructor Guide© International PADI, Inc. 2003Produced by Diving Science and Technology Corp. (DSAT)for International PADI, Inc.All rights reservedPortions of the Appendix of this section may be reproducted by PADI Membersfor use in PADI-sanctioned training, but not for resale or personal gain. No otherreproduction is allowed without the express written permission of the publisher.Published and distributed byPADI30151 Tomas StreetRancho Santa Margarita, CA 92688Printed in the U.S.A.Product No. 70430 Version 1.0 (includes Binder) (06/03)010PDF3 ii padi.com
  3. 3. Instructor Guide Section ONE: DSAT TecTrimix DiverTable of ContentsSection ONE: IntroductionIntructional Philosophies and Course Goals 1-1DSAT Tec Trimix Diver Course Goals 1-4Course Overview 1-5 Knowledge Development 1-5 Training Dives 1-5Section TWO: Course StandardsLegal and Regulatory Considerations 2-1Instructor Requirements 2-2 Requirements to Qualify Through a DSAT Tec Trimix Instructor 2-2 Training Course Requirements to Quality by Applying Directly to PADI 2-3 Certified Assistant Requirements 2-4Course Prerequisites 2-5Equipment Requirements 2-5Instructor Materials 2-7Student Materials 2-7Paperwork and Administration 2-8Insurance Requirements 2-8Certification Procedures 2-9Course Sequence and Preassessment Requirements 2-9Knopwledge Development Preassessments 2-10Training Dive Standards 2-11 Confined and Limited Open Water 2-11 Open Water Training Standards 2-12 Water Skills Assessment 2-13 Definitions of Mastery 2-13Optional Dives for Tec Deep Divers 2-14Cave Environment Training Option 2-14 Instructor Requirements 2-14 Certified Assistant Requirements 2-15 Student Requirements 2-15 Environment Requirements 2-15 Equipment and Gas Requirements 2-15padi.com iii
  4. 4. Section ONE: DSAT Tec Trimix Diver Instructor GuideSection THREE: Course Outline I. Course Sequence 3-1 II. Use of Outline and Materials 3-2 III. Knowledge Development Presentation One 3-4 IV. Practical Application One 3-26 V. Assessment Dive 3-29 VI. Training Dive One 3-35 VII. Knowledge Development Presentation Two 3-42 VIII. Practical Application Two 3-66 IX. Training Dive Two 3-68 X. Knowledge Development Presentation Three 3-74 XI. Practical Application Three 3-80 XII. Training Dive Three 3-82 XIII. Training Dive Four 3-87 XIV. Knowledge Development Presentation Four 3-93 XV. Practical Application Four 3-97 XVI. Training Dive Five 3-99 XVII. Training Dive Six 3-105 XVIII. Practical Application Five 3-109 XIX. Training Dive Seven 3-110 XX. Training Dive Eight 3-113Appexdix Appendix Table of Contents A-1. This symbol signifies notes addressed to you the instructor iv padi.com
  5. 5. Instructor Guide Section ONE: DSAT TecTrimix DiverDSAT Tec Trimix Diver CourseInstructor GuideONE: IntroductionInstructional Philosophiesand Course GoalsThe DSAT Tec Trimix Diver course is intended toextend the depth range available to technicaldivers trained and qualified to use air, enrichedair and oxygen for technical decompression divesbeyond 50 metres/165 feet in open water. As partof the DSAT TecRec instructional umbrella, theTec Trimix Diver course reflects the trainingphilosophies exhibited by the prerequisite TecDeep Diver and Apprentice Tec Diver courses.The approach is an instructional progression thatdirectly addresses the added hazards, greaterdemands and challenges present in technical div-ing, most of which become more pronounced inthe depth ranges typically associated with trimixuse. DSAT TecRec courses consider two primaryphilosophies in training technical divers: • Technical diving is not for everyone. It should not be presented as a goal for all divers to aspire to. Rather, DSAT TecRec courses are for the small segment of divers looking for greater challenge and willing to accept the costs, risks, training and physical fitness requirements neces- sary. It may be perfectly appropriate to remind those who may not bepadi.com 1-1
  6. 6. Section ONE: DSAT Tec Trimix Diver Instructor Guide suited to a particular TecRec course, or technical diving in general, that they can enjoy a lifetime of novel diving adventures without ever leaving recreational limits. • No instructor is required to accept a particular individual into a scuba course (provided the basis for not accepting someone does not violate national or local discrimination laws involving race, gender, etc.). In deciding whether it’s appropriate to accept someone into a technical div- ing course, or to have someone continue in a course, the following points are worth considering: 1. What comfort level does the individual demonstrate underwater? Technical diving imposes task loading and higher potential risk, partic- ularly in deep diving when gas supply and decompression may create significant time pressure. Problems have a higher probability of being more substantial than within the recreational diving envelope. A tech- nical diving student needs to be able to control emotions and put aside anxiety in the face of problems and task loading. An individual who exhibits undue stress during exercises, a tendency to overreact, or inappropri- ate emotional reactions may not be ready for the psychological stresses of technical diving. The clues might include an inability to perform simple tasks that they handled easily under “relaxed” circumstances; unnecessarily hasty or forceful responses to simple problems; irritability or anger in the face of minor obstacles, etc. 2. What skill level does the individual demonstrate? Recreational diving princi- ples, procedures and motor skills need to be second nature before going into technical diving. Previously-learned technical diving skills need to be second nature before going into trimix diving. An individual who’s still mastering these points is not ready for higher skill demands. 3. Do your observations match the certification level? Just because a stu- dent has met prerequisite certification requirements doesn’t guarantee the student’s ready for the next level. Individuals who have not applied those skills for some time may not be at their prior level any longer. Individuals coming from outside of the DSAT TecRec structure may come from instructional systems that are less rigorous with respect to performance. 1-2 padi.com
  7. 7. Instructor Guide Section ONE: DSAT TecTrimix Diver 4. What is the individual’s physical fitness? Compared to recreational diving, the physical demands of technical diving can be much higher, especially before and after the dive, and during the dive in current or any other situation requiring above normal exertion while swimming. This means more load on the legs and cardiovascular system. There’s substantially more equipment, translating to higher effort necessary to move the mass and increased drag. Technical dive duration frequently requires heavy exposure protection; laden with tec gear and a full exposure suit in a hot climate predive can risk overheating and significant cardiovascu- lar stress. For all these reasons, the DSAT Tec Trimix Diver course requires a physician’s approval prior to any inwater training. See Section Two: Course Standards for details on medical screen requirements.The greater the potential risk, the more important it isto apply accepted instructional methodologies, educa-tional and cognitive psychology and system teachingprinciples in course design. DSAT TecRec courses,including the Tec Trimix Diver course, depart signifi-cantly in several ways compared to tec diver coursesnot founded on performance-based, valid instructionalsystem design. • Technical diving calls for a high level of knowledge development, motor skill automaticity (the ability to do something without stopping to think about it) and self confidence. To accomplish these, TecRec programs emphasize in-depth, comprehensive knowledge development and extensive application, practice and simulation underwater. • DSAT TecRec programs emphasize training in the way you actually dive. In accord with instructional system design philosophy, the courses exclude anything that has no real application in tec diving. Including them would simply interfere with learning. • Technical diving has extensive equipment requirements. TecRec courses approach their subject matter with the assumption that students have their own equipment and/or are prepared to invest in it. This is particularly true at the Tec Trimix level. (This does not eliminate rental options as appropriate, though students should become familiar with the gear prior to tec diving with it.) • Because DSAT TecRec courses apply instructional system design from the ground up to achieve specific training goals, the TecRec system does not necessarily have the same certification levels as other tec training organi- zations. Valid course design assigns breaks between courses based on applicable groups of learned capabilities. This avoids certification levelspadi.com 1-3
  8. 8. Section ONE: DSAT Tec Trimix Diver Instructor Guide with arbitrary divisions and little meaningful difference in training. This also eliminates the situation in which students learn something during a course but aren’t qualified to use it when certified. The only exceptions are certifications planned for gaining experience and then continuing in training, such as the Apprentice Tec Diver course.DSAT Tec Trimix DiverCourse GoalsThe DSAT Tec Trimix Diver course is intended for technical divers certified as DSATTec Deep Divers (or qualifying certification from another training organization). Thecourse extends their depth range capabilities by training them in the use of trimix(helium, oxygen and nitrogen). It’s goals are: • To qualify the student to dive to 75 metres/245 feet using various trimix blends, air, enriched air and oxy- gen, using open circuit technical diving equipment and procedures required to manage the risks involved. • To train the student in the cogni- tive and motor skills required for technical trimix diving. • To assure the student acknowl- edges and understands the hazards and risks of technical diving in general and trimix diving in partic- ular, as well as the limits of train- ing received in the course. • To train the student to prepare for and respond to reasonably foresee- able emergencies that may occur in this type of technical diving. • To provide skills applicable to further training and experience in tech- nical diving. 1-4 padi.com
  9. 9. Instructor Guide Section ONE: DSAT TecTrimix DiverCourse OverviewThe DSAT Tec Trimix Diver course applies the same performance-based instructionalsystem methodologies that PADI Instructors learn to use and apply in the PADIInstructor Development Course (IDC). However, the knowledge development trainingdives within the system are at the level appropriate for technical trimix diving.Knowledge DevelopmentTechnical diving in general requires mastering significantly more procedural knowl-edge and applied theory than in recreational diving, and trimix diving increases thesedemands further. The Tec Trimix Diver course develops this knowledge throughindependent student study with the Tec Trimix Diver Manual (required if available ina language the student can understand), through application in knowledge develop-ment sessions, and through application during training dive briefings, planning andexecution. (If the manual is not available in a language the student can understand,knowledge development must be accomplished via lectures using the Tec TrimixLesson Guides.) As with the Tec Deep Diver course, this course divides several topics into multi-ple presentations sequenced amid the appropriate training dives. This enhanceslearning because students study, apply and assimilate each topic in stages. Exercises,knowledge reviews and exams provide tools for developing and assessing mastery ateach stage. You also assess mastery by noting student application of this knowledgeduring the training dives. The Tec Trimix Diver course builds upon the foundation laid by the Tec DeepDiver course. The Knowledge Development required is therefore less extensive, andoriented primarily to review and applying previously acquiredconcepts to trimix diving. New material relates primarily to theaspects of trimix diving that differ from diving with air andenriched air. Students who demonstrate knowledge deficienciesneed remedial attention and must demonstrate mastery prior tocontinuing in the Tec Trimix Diver course. If necessary, it isappropriate to have the student repeat all or portions of the TecDeep Diver course prior to continuing with the Tec Trimix Divercourse.Training DivesThe Tec Trimix Diver course refines the skills learned in the TecDeep Diver course, then expands upon them with knowledgeapplication through sequenced training dives. The dives begin inlimited open water (see Section Two: Course Standards for thespecifics on what qualifies as limited open water). Open waterdives follow, progressing from air/enriched air dives to trimixdives.padi.com 1-5
  10. 10. Section ONE: DSAT Tec Trimix Diver Instructor Guide The dives apply material from previous knowledge development and builds uponprevious skill development. The general intent is to first develop skills independently,next integrate and apply them in simulated trimix dives, and finally apply them in actu-al trimix dives. Although the material is sequenced and loaded to match the learning abilitiesexpected of most divers, some individuals may need more time to meet performancerequirements. As necessary you may repeat sessions, dives or portions of them, untilstudents meet all performance requirements. Section Two: Course Standards, definesmastery for this course. Most of the core skills needed for trimix diving apply also to tec diving in general.With this in mind, it’s essential that students have retained mastery from the Tec DeepDiver course. The Tec Trimix Diver course builds upon these skills. You will be review-ing them and checking for retention and mastery. Students who demonstrate signifi-cant skill weakness need remediation to mastery levels prior to continuing in theTec Trimix Diver course. If necessary, it is appropriate to have the student repeat allor portions of the Tec Deep Diver course prior to continuing with the Tec Trimix Divercourse. 1-6 padi.com
  11. 11. Instructor Guide Section TWO: Course StandardsSection TWO:Course StandardsThis section includes the general course standards, recommendations andsuggestions for conducting the DSAT Tec Trimix Diver course. Course standards thatyou must follow appear in boldface to clearly separate them from supporting mate-rial and suggestions. For readibility headers appear in bold-face; this doesn’t imply that everything under such a headeris required by standards. Course standards appear as bold-face statements or distinct line items within this guide. Liability Rel ress Assum ease and Exp cal Diving ption of Risk for Techni ng. before signi paragraph and initial each THAT I AM A CERTIFIED in all blanks BY DECLARE carefully, fill _____, HERE Please read ____________ AM ____________ NITROX, AND I, ____________ THE USE OF (Participant) PRACTICES INCLUDING SAFE DIVINGLegal and Regulatory G. , TRAINED IN OF SCUBA DIVIN ing SCUBA DIVER INHERENT HAZARDS by the follow AWARE OF THE been certified required ed diver and have that I am aware of the am an experienc ____________ and ical diving activi ties. I have r state that I of _____ I furthe ____________ ipate in techn , with a total ization(s): ____ rience required to partic diving for ________ years e one). training organ expe been (circl or equivalent __________, and have _ metres/feet certification h of ________ ied diver since , to a maximum dept ent hazards been a certif ed of the inher ________ dives approximately thoroughly inform in consideration of being advised and and for I have been g activities, said activity,Considerations r declare that al scuba divin ection with _____ I furthe in technical and recreation y assume all risks in conn this activity, including all _____ I unde in g g of participatin ipate in this activity, I herebwhile I am participatin rstand that I AM PARTICIPATION SOLELY RESPO allowed to partic damage that I may suffer or unforeseen. or personnel offeri IN THIS ACTIVletely under- NSIBLE FOR ENSURING een ITY any harm, injury therewith, whether fores ng and comp and agree promoters of ed,this activity, ________ that: 1) the facility(ies), MY OWN SAFE risks connected ughly inform event risk of serious injury ____ trained, thoro (PAD includ this ing the 3) ; Divin ____, ___, or their organization(s) TY DURING I am properly Inc. or supervisor I), air (nitrox) trimix g activities, its affiliate or subsi g Science and employees; y r declare that Technical Scuba Divinagents d air, oxygen-enriched diaryto: decom- Technology Corp. 2) the organ _____ I furthe of resse or assign (1 are not limited corporations, any (DSA izers or ent hazards g with comp respoinclude sbut through 4 hereinafte r or of their respe T); and 4) International stand the inher r, I understand that divin that nsible in any way s, fire and/o r ctive employee PADI inherent risks s, that marine life injurie injury referred to as "Released assign for any treatment or death. Furthe oxygen involves certain sis, inert gas narco may occur asand requi r a result re , death or other dama Parties"), may s, officers, and 100 perce nt n toxicity, of any party, h can occu whicincluding of may be tiesmy participatio ges to me or not be held embolism, oxyge or hyperbaric injuries my family, heirs, liableDSAT TecRec programs, including the DSAT Tec Trimix Diver press ion sickness, ds, and barot in a recompress site that is remote, eithe at a raum a r by rstand that_Techn ____ I decla explosion hazar ion chamber. I further unde time or distance or both,I am ties, despite the possi re that the g activi ical Scuba DivinReleased Parties, whet n in this activity, or as from such a influence of a Diving activiin good ment alcoh recom al Technical Scub dive site. am I under the and physical fitness for I am taking any ol, nor pression - her passive or active . a result of the or negligence conducted ipate in such to the medication, influence of diving, that choose to partic in proximity itions the cond I declare that any drugs that I am not unde chamber. I still a recompression chamber of this activi h exceed those seen I have are contraindi r thecourse, are made available to qualified PADI Members in ble absence of r declare that _____ I furthe recreational scuba divin in I understand Technical_Divin include but are not limite ____ I unde whic g involves risks ty while under the influe a physician and have appro cated to diving. If may rstand that all types head enviro g. These risks ties ssion procedures; over- scubin the event ous activi g; decompre and that I will of d to: depths surface a diving, al divinheart attack,nt direct ascent to the ing myself n including Technical Divin be exert n- nce of the medi cation/drugs. val to dive unde r encountered of recreation panic, hype rventilation, and oxyge d the limits glement whic hold preve h maythe Relea both nitrogen ing for different activity; and computing s respo plann that I assumeetc. during this g, are physically which excee necessity for sed Partie if I am strenu- r the risk of entanmore than 175 countries and territories. Be aware that in ments and/o y; sudden loss of visibility; ____ d training, equip loading to plan ical Scuba Divin specializeI will inspect than recreation _ of an emergenc dives; and the need for all nece Technical Scuba my equiprisk of this activi thatssary g. I understand scuba diving, and I ,assum responsible al equipment ment, and all of nsible for the greater the risk of said injurie injured as a result of Diving may involv e the ment and that it is e a same. ty. prior to every functioning use during this s and that I will not types of Techn for my failure properly. activity, ensur s injury or death to inspect my equipment prior I will not hold the Relea ing that I have risk of seriou _____ I furthesome regions, regulations and laws may impose restrictions, r to diving. sed Parties injury, property save and hold harmless the my participatio damage or wrongful death Released Parties from any n in this activi , by me, PADI, Inc. 2003 claim or lawsu the activity. ty, including © Internationalmy family, estate both claims , heirs, or assign it for personal arising durin s, arising out g the activity padi.com _____ I furthe or after I comp ofrequirements and prohibitions regarding diving, diving as an G Product No. 10266 Version 1.1 (07/03) r or that I have declare that I am of lawfu acqu tion of this Agree ired the written conse remain in full ment is held l age and legall nt of my paren y competent to sign this t force and effec to be invalid for any reaso or guardian. I further agree liability releas lete e, t. n that the rema that ining provisions if any por- shallemployee, diving for any form of compensation or all of I, ________ ____ are contractu ____________________ al and that I have and not a mere recita the entire Liabi signed this document ______, unde l, that this instru rstand and agree ment is a legal that the terms herein lity Release of my own ly binding docu and Express free Assumption act, after reading and ment,these. Because it involves decompression diving and depths ____________ ____________ (Date) ______ ______ _____ __________ _____ __________ of Risk agree __________ (Signature of ment. understanding __________ (Date) __________ Participant) _____ __________ _____beyond 40 metres/130 feet, technical diving may fall under ____________ __________ ______ (Signature of __________ Parent or Guardi __________ an if applica __________ (Date) __________ ble) __________ __________ (Witness) __________ _____commercial diving regulations in some jurisdictions. This is padi.comparticularly true of trimix diving, which may fall under mixedgas diving requirements. It is your responsibility to be aware of and follow any local regulations thatapply to recreational and technical diving and to teaching recreational and techni-cal diving. Be aware that regulations may exist on a federal, state/provincial, countyor city level.padi.com 2-1
  12. 12. Section TWO: Course Standards Instructor GuideInstructor RequirementsTo conduct the Tec Trimix Diver course, you must be a renewed, teaching statusPADI Instructor who is certified as a DSAT Tec Trimix Instructor. Qualifying as a DSAT Tec Trimix Instructor is similar to, but not identical to, quali-fying as a DSAT Tec Deep Instructor. You may qualify by successfully completing aDSAT Tec Trimix Instructor Training course conducted by a PADI Course Director whois certified as a Tec Trimix Instructor Trainer, or by applying directly to PADI. In bothcases you must meet the minimum requirements listed.Requirements to Qualify Through aDSAT Tec Trimix Instructor Training CourseTo enroll in a DSAT Tec Trimix Instructor Training course, you must meet thefollowing criteria: 1. Be a renewed PADI Master Scuba Diver Trainer or higher level PADI Instructor. 2. Be a DSAT Tec Deep Instructor, or have successfully completed the DSAT Tec Deep Instructor Training Course including the instructor examinations. 3. Be certified as a DSAT Tec Trimix Diver or have a qualifying full trimix certification from another organization. (Contact your PADI Office for information about qualifying certifications) 4. Have a minimum of 200 logged dives, with at least 20 technical decompression dives requiring at least one stage/deco cylinder. Of these, at least 10 must have been made deeper than 40 metres/130 feet using trimix.Upon successfully completing the DSAT Tec Trimix Instructor Training course,before sending your application to PADI, you must meet the following criteria: 1. Be a renewed PADI Master Scuba Diver Trainer or higher level PADI Instructor who is a DSAT Tec Deep Instructor. 2. Be certified as a DSAT Tec Trimix Diver or have a qualifying full trimix certification from another organization. (Contact your PADI Office for information about qualifying certifications.) 3. Have assisted with at least one Tec Trimix Diver course. If you have a qualifying certification as a trimix instructor with an other organization, having taught or assisted with one of those courses meets this require- ment. (Contact your PADI Office for information about qualifying certifica- tions.) 2-2 padi.com

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