c) Access to the foam deck should be by inclined
stairs from the training deck and a vertical ladder from the
ground. The foam deck should have a safety railing around its
perimeter. Two safety chains should be provided at the access
openings for the ladder to grade and at access to training deck.
The vertical ladder should only be used as an emergency exit
from the foam deck.
18.104.22.168 Crash Lockers. Adjacent to main access stairs to the
training deck should be two crash lockers with dimensions 3048
mm by 4572 mm each. These lockers should be constructed the
same as repair lockers. They should be used to store hoses,
proximity suits, porta saws, jaws of life, etc. These items
should be procured by the using activity through collateral
equipment. Ventilation is required in the crash lockers at a
rate of 6 air changes per hour.
a) A two-story high instructor's station should be
located 15 240 mm from a corner of the fireplace. Its siting
should consider the prevailing wind. It should be upwind of the
fireplace and the sun should not interfere with the view of the
b) The instructor's station and electrical room below
should be 3048 mm by 4572 mm, have 2743 mm high ceilings and a
computer floor. A computer floor is not required for the
electrical room. Access to the second floor should be by
exterior stairs. The instructor's station should have a 2438 mm
by 762 mm high window overlooking the training deck mounted 610
mm off the computer floor.
The DTC is located in the electrical room.
d) The exterior wall and windows of the instructor's
station facing the fireplace should be designed to be capable of
withstanding a surface temperature of 74 degrees C.
22.214.171.124 Doors. Doors associated with the 19F4 structure
should be 914 mm wide hollow metal doors. This structure is not
an all weather trainer. The 19F4 structure is open to the