DSO planning, Casualty control, diving operations Flashcards
Data required for all diving Operations 6-4.4
Surface conditions, Underwater conditions, Equipment and personnel resources, Assistance in emergencies
Any vessel used for dive ops shall be secured by a _____ moor or _____ system
2 point, Dynamic position class 2/3
The exception to diving on a vessel not in a 2 point moor or utilizing DP system is
Moored alongside a pier or another vessel properly anchored, diving during open ocean transits cannot moor due to depth.
Tending personnel shall guard against
Sunburn, Hypothermia/frostbite, Heat exhaustion
Mk 21 SSDS current limitations
1.5 knots without difficulty, 2.5 knots with extra weight
Scuba diver is severely handicapped in currents greater than
1.0 knot
four main types of air diving equipment
Scuba, MK20, MK21, EXO BR
Factors in selecting dive medium
Duration and depth, Type of work, Environmental conditions, Time constraints
Depth limits shall not be exceeded without approval from
CNO
Scuba depth limits
130 normal, 190 CO/OIC approval
Scuba cylinder SCF to go deeper than 100
100SCF
DMO required on the side for all Air dives deeper than
190FSW
SSDS diving systems
Lightweight - MK20, Deep Sea - Mk21/KM-37
Review the following before diving
Diving safety and planning checklist, Ship repair safety checklist, SSD predives, support control of operations.
MK 21/ km 37 limits /EGS requirements
190 fsw, deeper than 60 EGS and when diving enclosed spaces