Table 3-2. Damage Control Classifications (Continued)
SYSTEM OR
XRAY
YOKE
ZEBRA
WILLIAM
FITTING
Firemain, flushing, and Valves not segregating
Valves for segregation
Valves for segregation
All other firemain
sprinkling systems
into sections and not
of firemain into port
of firemain into four or
valves; valves to
adversely affecting
and starboard
more sections; firemain
cooling water systems
pressure in main risers;
longitudinal sections,
valves to flushing
for vital machinery;
valves actuating main
where practicable, and
system. Valves
sprinkling valves
and bilge drainage
with two or more
actuating drainage
controlled by group
eductors; sea suction
pumps supplying each
eductors from quarters;
valves; sea suction
valve in pump room;
section.
certain cooling water
valves for fire pumps
sprinkling group control
system valves.
in machinery spaces
valves; washdown
and overboard
system hose valves;
discharge from
submersible pump
gasoline tank.
priming valves; fog foam
valves; hangar sprinkling
valves; water curtain
valves and caps; caps for
fixed fog systems.
(NOTE: In case
firemain and drainage
valves are interlocked,
firemain valve is X and
drainage valve is
unclassified.)
Fresh water
Filling connection
Root valves above
Drinking fountains for
valves.
machinery spaces.
machinery spaces; gun
barrel and rocket
launches cooling
systems; all other
valves unclassified.
Oil and ballast systems
All valves, except
(fuel and JP-5 filling,
interlocking valves and
transfer, and overflow
those in way of pump,
systems)
which shall be
unclassified.
Sounding tube deck
All.
plates and valves for
voids, oil and water
tanks
3-17
