Recompression Chamber Operations, Whether on Air, Nitrogen-Oxygen, Helium- Oxygen, Or 100 Percent Oxygen

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Recompression Chamber Operations, Whether on Air, Nitrogen-Oxygen, Helium- Oxygen, Or 100 Percent Oxygen Operating Standards for NOAA Hyperbaric Chambers Table of Contents TABLE OF CONTENTS SECTION 1: INTRODUCTION ................................................................................................................................... 1 SECTION 2: PERSONNEL REQUIREMENTS ............................................................................................................... 2 2.1 MANNING LEVELS .................................................................................................................................................... 2 2.1.1 Multi-lock recompression chambers .......................................................................................................... 2 2.1.2 Mono-lock/Multi-place recompression chamber ....................................................................................... 2 2.1.3 Mono-lock/Mono-place recompression chamber ...................................................................................... 2 2.2 PERSONNEL RESPONSIBILITIES AND QUALIFICATIONS ....................................................................................................... 2 2.2.1 Chamber Supervisor ................................................................................................................................... 2 2.2.2 Chamber Operator ..................................................................................................................................... 3 2.2.3 Inside Tender .............................................................................................................................................. 3 2.2.4 Time/log keeper ......................................................................................................................................... 4 2.2.5 NOAA Diving Medical Officers (DMO) ........................................................................................................ 4 2.2.6 NOAA Diving Program DMO ...................................................................................................................... 5 SECTION 3: EQUIPMENT REQUIREMENTS .............................................................................................................. 6 3.1 CHAMBER EQUIPMENT AND SYSTEMS ........................................................................................................................... 6 3.1.1 Containerized Double-lock Chamber System ............................................................................................. 6 3.1.2 Mono-lock/Mono & Multi-Place Chambers ............................................................................................... 6 3.1.3 Gas Supply .................................................................................................................................................. 6 3.1.4 Medical Supplies ........................................................................................................................................ 7 SECTION 4: OPERATIONAL PROCEDURES ............................................................................................................... 8 4.1 TREATMENT ............................................................................................................................................................ 8 4.1.1 Decision to Treat ........................................................................................................................................ 8 4.1.2 Pre-dive ...................................................................................................................................................... 8 4.1.3 During Chamber Treatment ....................................................................................................................... 9 4.1.4 Post-dive .................................................................................................................................................... 9 4.1.5 Inside Tender Considerations ..................................................................................................................... 9 4.2 OPERATING STANDARDS & AUTHORITY ...................................................................................................................... 10 4.2.1 Chamber Operations ................................................................................................................................ 10 4.2.2 Authority Level ......................................................................................................................................... 10 4.3 NOAA STANDING ORDERS ...................................................................................................................................... 11 4.3.1 General Medical Instructions ................................................................................................................... 11 4.3.2 Type I DCS ................................................................................................................................................ 12 4.3.3 Type II DCS or AGE .................................................................................................................................... 13 4.4 POST HYPERBARIC TREATMENT CONSIDERATIONS ......................................................................................................... 13 4.4.1 Post Treatment Observation Period ......................................................................................................... 13 4.4.2 Flying After Treatments ........................................................................................................................... 13 4.4.3 Emergency Air Evacuation ....................................................................................................................... 13 4.5 GUIDELINES FOR NON-STANDARD SCENARIOS AND SITUATIONS ...................................................................................... 14 4.5.1 Inability to equalize ears during travel ..................................................................................................... 14 4.5.2 Confined Space Anxiety Syndrome (Claustrophobia) ............................................................................... 14 4.6 OMITTED DECOMPRESSION ...................................................................................................................................... 14 4.6.1 Symptomatic ............................................................................................................................................ 14 4.6.2 Recognition of Omitted Decompression .................................................................................................. 14 4.6.3 Failure to Recognize Omitted Decompression ......................................................................................... 15 4.7 ABORT PROCEDURES ......................................................................................................................................... 15 4.7.1 Death During Treatment .......................................................................................................................... 15 January 2017 i Operating Standards for NOAA Hyperbaric Chambers Table of Contents 4.7.2 Impending Natural Disasters or Mechanical Failures .............................................................................. 16 Appendix 1: NOAA Chamber Kit Inventory ......................................................................................................................... 18 Appendix 2: Flowcharts ...................................................................................................................................................... 19 Appendix 3: Treatment Tables ............................................................................................................................................ 22 Appendix 4: Recompression Chamber Pre-Dive Checklist .................................................................................................. 32 Appendix 5: Recompression Chamber Post-Dive Checklist ................................................................................................ 34 Appendix 6: U.S. Navy Diving Manual – Chapter 20 (volume 5) ......................................................................................... 36 Appendix 7: U.S. Navy Diving Manual – Chapter 21 ........................................................................................................... 75 January 2017 ii Operating Standards for NOAA Hyperbaric Chambers Introduction Section 1: INTRODUCTION The following standards and procedures were established by the NOAA Diving Program to provide criteria, specifications, and requirements for operating NOAA hyperbaric chambers. These standards and procedures were developed to provide NOAA personnel with information to outfit, man, and operate hyperbaric chambers safely and effectively in support of NOAA diving operations. All hyperbaric chambers used by NOAA personnel shall meet established operational policies and training requirements outlined in the latest revisions of the NOAA Diving Manual and the US Navy Diving Manual. Conditions may warrant actions contrary to the dictates of this standard. Deviations from any operational standards, policy, or procedures in this Standard, must be approved beforehand by the Director, NOAA Diving Program or his/her designee. January 2017 1 Operating Standards for NOAA Hyperbaric Chambers Personnel Requirements
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