How quickly conditions are deteriorating
Ease of egress, including travel time to a
Operating times for each device
Capabilities and limitations of each device
Dont breath through the nosebreath only
through the mouth when using the SEED.
SEEDs must not be used for firefighting
OXYGEN BREATHING APPARATUS (OBA)
The oxygen breathing apparatus (OBA) (fig. 12-5)
is a self-contained device that generates oxygen through
a chemical process and lets the wearer breathe
independently of the surrounding atmosphere.
Currently, the OBA is the primary tool used by
firefighting teams for respiratory protection. The
effective time limit of the oxygen supply is in excess of
Breathing tube couplings
Body harness and pad
Bail assembly handle
Canister release strap
Pressure relief valve and
pull tab timer
Figure 12-5.Navy oxygen breathing apparatus (OBA).