6
5
4
3
2
1
0
-10
-20
-30
-40
-50
-60
-70
-80
-90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 -200
Depth in meters
-33
-66
-99 -131 -164 -197 -230 -263 -295 -328 -361 -394 -427 -459 -492 -525 -558 -591 -623 -656
Depth in feet
AIR DIVING
WET BELL DIVING
Working Depth:
Surface down to 50 meters
Maximum Duration:
3 hours/diver/day, decompression included
Breathing Gas:
Compressed air or oxygen mix
Decompression:
In water
Equipments:
Surface supplied equipment, LARS and
decompression chamber
Working Depth:
Surface down to 75 meters
Maximum Duration:
3 hours/diver/day, decompression included
Breathing Gas:
Compressed air, heliox
Decompression:
Inside a wet bell
Equipments:
Wet bell and decompression chamber
BOUNCE/TUP DIVING
SATURATION DIVING
Working Depth:
20 to 80 meters
Maximum Duration:
1 to 3 hours/diver/day, decompression not
included
Breathing Gas:
Heliox
Decompression:
Inside a surface decompression chamber
Equipments:
TUP-System
Working Depth:
50 to 200 meters
Maximum Duration:
6 to 24 hours/diver/day over a period of 21
days
Breathing Gas:
Heliox
Decompression:
At the end of the work
Equipments:
SAT-System, life chamber, gas regeneration
units