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