Commercial diving/Prepare for and carry out emergency procedures and drills

Relevance: Scuba diving (partial), Surface supplied diving (partial), Surface oriented wet bell diving (full).

Required outcomes:
 * 1) Prepare for and carry out generic emergency procedures and drills, including:
 * 2) *Deal with loss of gas in the chamber
 * 3) *Handle loss of communication on deck/above water to team members
 * 4) *Provide basic life support and first aid to an injured team member
 * 5) *Recover man overboard
 * 6) *Respond to fire alarm and evacuation
 * 7) *Carry out chamber blow-down and check built-in breathing systems function and oxygen supply
 * 8) *Perform a communications check with the Designated Medical Practitioner
 * 9) *Complete timed transfer of diver from water exit to offsite chamber