9-36 Change A
U.S. Navy Diving ManualVolume 2
9-11.1.1
If oxygen is available at the 30 fsw stop in the water:
1.
Complete the entire 30 fsw in water stop on oxygen, interrupting oxygen
breathing after each 30 minutes with a 5 minute air break. The air breaks
count as part of the stop time.
2.
Ascend to the surface at 30 fpm. Minor variations in the rate of travel between
20 and 40 fpm are acceptable.
3.
Once on the surface, the tenders have three and a half (:03:30) minutes to
remove the breathing apparatus and diving dress and assist the divers into the
recompression chamber.
4.
Pressurize the recompression chamber with air to 30 fsw at a travel rate of 60
fpm.
5.
Upon arrival at 30 fsw in the recompression chamber, the divers are placed on
the Built-in Breathing System (BIBS) mask breathing 100% oxygen.
6.
The 30 foot stop time commences once the divers are breathing oxygen.
Repeat the 30 fsw in-water stop time.
7.
The divers breathe oxygen throughout the 30-foot stop, interrupting oxygen
breathing after each 30 minutes with a 5 minute air break. The air breaks
count as part of the stop time.
8.
Ascend to 20 fsw at 30 fpm. Complete the 20 fsw in-water stop time. The
divers breathe oxygen throughout the 20-foot stop, interrupting oxygen breath-
ing after each 30 minutes with a 5 minute air break. The air breaks count as
part of the stop time.
9.
Ascend to 10 fsw at 30 fpm. Complete the 10 fsw in-water stop time. The
divers breathe oxygen throughout the 10-foot stop, interrupting oxygen breath-
ing after each 30 minutes with a 5 minute air break. The air breaks count as
part of the stop time.
10. Ascent to the surface at 30 fpm.
9-11.1.2
If no oxygen is available at the 30 fsw stop in the water:
1.
Complete the entire 20 fsw in the water.
2.
Ascend to the surface at 30 fpm. Minor variations in the rate of travel between
20 and 40 fpm are acceptable.
3.
Once on the surface, the tenders have three and a half (:03:30) minutes to
remove the breathing apparatus and diving dress and assist the divers into the
recompression chamber.