- They feel the conditions are unsafe or unfavorable
- The dive violates their maximum level of training within their formal dive certification
All dive plans are based on the competency of the least experienced diver.
An ascent rate of 30 ft per minute and a precautionary stop at 15 ft. (5m) for three minutes should be made for each dive of 30 ft or deeper.
For all diving conducted under hazardous conditions, a plan should be formulated to deal with such conditions.
All divers using dive computers to plan dives and indicate or determine decompression status should follow the recommended surface intervals from PADI. Plans should be conservative and maximize surface intervals.
A diver should wait at least 18-24 hrs before flying or traveling to altitude after any dive.
An emergency plan should be reviewed with each diver including the following: emergency contact information, nearest recompression chamber, nearest hospital and means of transportation.