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 TM 55-1905-223-SDC
EFFECTS OF DAMAGE
SDC FIXES SHALL BE USED ONLY IN COMBAT OR OTHER EMERGENCY
CONDITIONS AT THE DISCRETION OF THE VESSEL MASTER. DAMAGE SHALL
BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES AS SOON AS
PRACTICABLE.
Section I. TYPES OF DAMAGE
2-1.
GENERAL. Knowing the type of damage and what emergency repair action to take can save the
ship and its crew to permit it to continue on the assigned mission or give it the capability to return to a
base for more extensive repairs. Generally, most damage can be classified as follows:
a. Large holes below the waterline.
b. Small holes and cracks below the waterline.
c.
Holes in the hull above the waterline.
d. Punctured, weakened, or distorted bulkheads.
e. Flooded machinery compartments or other vital spaces.
f.
Warped or sprung doors and hatches.
g. Weakened or ruptured beams, supports, and other strength members.
h. Ruptured or weakened decks.
i.
Wreckage interfering with system function.
j.
Ruptured or cracked pipe lines.
k.
Severed or damaged electric cables.
l.
Broken or distorted foundations under machinery.
m. Broken or pierced machinery units.
n. Fire with its attendant heat, smoke, and other damage.
2-2.
NATURE OF DAMAGE. The nature of repairs that a ship requires depends upon the type of
damage, type of vessel, and location of damage. Collisions, grounding, and storms have in many cases
caused damage so severe as to threaten the survival of very large ships. Self-inflicted damage can stem
from inadequate preparation or from general neglect. Other causes impairing stability are deck icing in
cold weather, excessive deck load, overloading any area in general, improper removal of ballast, and free
surface effect in tanks or bilges.
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