Commercial diving/Types of Diving Emergency Procedures

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

Required outcomes:
 * 1) Describe the diver’s first response to breathing apparatus malfunctions including free flow and restricted flow
 * 2) Describe the diver’s first response to the helmet or full-face mask
 * 3) Describe the diver’s first response to a snagged or fouled umbilical
 * 4) Describe the diver’s first response to severed or pinched umbilical
 * 5) Describe the action to be taken by diver and surface crew for loss of gas/air supply or contaminated breathing gas
 * 6) Discuss action to be taken by the diver and surface crew for loss of voice communications, including the use of line signals
 * 7) Discuss the deployment of standby diver to assist working diver including trapped or fouled diver or diver’s umbilical
 * 8) Discuss the recovery and management of a conscious incapacitated diver with minor or serious injury
 * 9) Discuss the recovery and management of a breathing, unconscious diver, including potential contaminated breathing gas, near drowning, convulsions
 * 10) Discuss the recovery and management of a non-breathing unconscious diver, including a dry or flooded breathing apparatus
 * 11) Discuss the recovery and management of a diver who has had a rapid ascent including blow-up and emergency ascent
 * 12) Describe the recovery and management of a diver who has potential decompression illness including rapid ascent or omitted decompression
 * 13) Describe the recovery and management of a diver during DP run off including yellow (amber) and red alert
 * 14) Discuss the management of a diver of a diver in the event of adverse fluctuations in the temperature of the water
 * 15) Describe recovery procedures to recover a distressed diver to the diver basket or wet bell

Severed or pinched umbilical
Loss of gas supply or contaminated gas supply==