Upon completion of the compartment air test,
relieve the air pressure in the compartment. Be sure
that all caps for the air test fittings are replaced. These
When conducting a compartment test and
caps are classified XRAY. Ensure that all temporary
inspection, you should follow the specific
closures are removed from overflows, air escapes, and
details provided in which of the following
air vents in magazines and fuel oil tanks. The
boundaries are sure to be ruptured when the space is
Ship's watertight test instructions
filled or flooded if these vents and escapes are left
Ship's damage control book
closed. Then make the appropriate entries in the
watertight integrity log if your ship has one.
Planned Maintenance System (PMS)
NSTM, chapter 79, volume 1
The ship's schedule of watertight integrity
Ventilation onboard ship provides comfort for the
tests and inspections is issued by NAVSEA.
crew in their work area or berthing space. It is also used
to keep electronic spaces cool. Ventilation is used to
circulate air throughout the ship, and to maintain
different climates and comfort zones in various areas.
The information contained in the ship's
Quite obviously the air circulating through the ship's
schedule of watertight integrity tests and
chillbox is maintained at a different temperature and
inspections must be strictly adhered to when
humidity than the climate in berthing areas. Many
you are conducting compartment air tests.
a r e a s o f t h e s h i p c o n t a i n s e n s i t ive e l e c t r o n i c
equipment that will fail if not kept properly cooled.
Just as obviously, you and your shipmates cannot
perform your jobs efficiently if your work environment
A variety of ventilation heaters and pre-heaters are
used to warm the air coming into the ship, and
In this chapter, you were introduced to ship
air-conditioning systems and coolers are used to cool
the air where necessary. Ventilation ducting and
the CCOL, and the damage control closure log, along
dampers are used to route the airflow where needed.
with the relationship of each to watertight integrity. As
a Damage Controlman, you will use the information
Thermostats are used to monitor and maintain the
learned in this chapter in the daily performance of your
appropriate temperatures. Air filters are used to filter
duties. You need to have a good understanding of each
particles such as dust from the air to keep air cleaner. It
topic that has been discussed. If you did not understand
may be necessary for you to clean, inspect, lubricate, or
any of these topics, go back and review them before
repair or replace components of this vital system at any
you move on to the next chapter.