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==