Commercial diving/Chamber Operations

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

Required outcomes:
 * 1) Explain different chamber configurations and chamber testing and requirements as well as PVHO requirements
 * 2) List approaches to chamber safety including fire hazards and prevention and control methods, including various deluge systems
 * 3) Review the chamber view port care, maintenance and testing
 * 4) Discuss Chamber external and internal valves function and operating procedures including internal and external checks and operations
 * 5) Identify the various locks including main lock, entry locks and medical locks (transfer locks and transfer under pressure)
 * 6) List the requirements for gas supplies to a chamber including chamber gas low pressure and high pressure sources, treatment gas supplies and gas calculations
 * 7) Explain the safe use of oxygen inside a chamber and procedures and hazards of handling high pressure oxygen
 * 8) Discuss the management of oxygen toxicity during treatment
 * 9) Explain the analysis of breathing air quality and oxygen content of breathing gas and chamber air
 * 10) Discuss the administrative requirements for chamber operations, including record keeping of checks, chamber runs and maintenance and relevant legislation
 * 11) Describe the preparation of the chamber for use
 * 12) Discuss briefing of the chamber occupants
 * 13) Describe the procedure for compressing to depth (blowdown)
 * 14) Review the procedure and necessity for venting the chamber
 * 15) Interpret treatment tables and explain the principles of hyperbaric treatment
 * 16) Describe the procedure for locking personnel in and out of the chamber
 * 17) Explain the operation of the medical lock
 * 18) Describe the principles of decompression
 * 19) Review Decompression Illness and the components of a neurological assessment and discuss therapeutic tables
 * 20) Discuss the chamber emergency procedures including sudden loss of pressure, sudden increase in pressure, loss of comms, contaminated gas, fire inside the chamber and fire outside the chamber
 * 21) Explain decontamination and cleaning procedures for the chamber and BIBS