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 (b) Check and record gas/air pressures
(c) Verify gas analysis
(d) Diving equipment pre-dive checks
System Lineup
(3)
(a) In a specific order line up system
(b) This is normally a small number of components
(c) Ask specific questions, which when answered, specify
alternative lineups
(d) Verify pressures and component operations
Dive Operation Evolutions
(4)
(a) Cover all procedures that could require action/
accomplishment during a dive, such as:
- shifting gas banks
- shifting to standby
System Shutdown
(5)
(a) In a specific order, shut down the system
(b) System shutdown should be the condition which:
- minimizes component operations
- leaves the system safe when shut down
- renders the system safe if left shut and other
systems placed on-line
- renders the hyperbaric/diving system (s) safe if the
system is not required and left in a shutdown
condition
The
format of
operating procedures is at
command
discretion.
However, each OP shall contain a space for the
initials of the person accomplishing each action in the OP, and
the
signature of
the
diving
supervisor
and
facility
manager/diving officer indicating that they have reviewed the
OP. A sample OP is provided as attachment (1) to this appendix.
3.
Emergency Procedure Development.
The purpose of EPs is to provide
guidelines a n d
instructions to operating personnel which will eliminate
personnel injury or equipment damage due to abnormal system
conditions.
Each EP addresses a specific emergency situation
and identifies the actions required to respond to the situation.
EP corrective actions consist of a sequence of logical
steps to address the casualty.
In general, STEP 1 alerts all
operators and divers of an imminent or existing emergency
situation. STEP 2 takes initial positive actions which will
protect the occupants/divers or transfer them to a safe
environment. Subsequent steps provide for follow-up actions to
control and/or isolate the malfunctioning component, equipment
or system.
Emergency situations usually encountered can be
B-4
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