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Commercial diving/Basic design, use and operating principles of diving equipment

< Commercial diving

Relevance: Scuba diving, Surface supplied diving, Surface oriented wet bell diving.

Required outcomes:

  1. Identify and describe the function, selection, adjustment for personal use, pre-use inspection, care and maintenance of all personal dive equipment
  2. Describe the identification, function, selection, pre-use inspection and testing, care and maintenance of scuba equipment. Explain the operation of regulator first and second stages, submersible pressure gauges, half masks, full-face masks and bailout sets (emergency gas supply)
  3. Discuss the surface supplied breathing apparatus options and their correct use, handling and care, explain the functions and application of lightweight demand helmets, free-flow helmets, band-masks, full-face masks and bailout sets
  4. Describe the handling, management and care of the diver’s umbilical
  5. Describe the SSDE surface gas supply and panel components and sub-assemblies and the applications and limitations of the system
  6. Describe the principles, applications and limitations of scuba replacement
  7. Describe the operating principle of the basic types of rebreather scuba and their applications and limitations
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