MIL-HDBK-1013/14
APPENDIX D (Continued)
D.5.4
Damage Potential. The primary damage from a terrorist bomb is blast and
fragmentation. Combustible materials may also be subject to secondary fire. Table D-7 defines
the categories that cover the range of possible damage. It should be noted that these are broad
ranges and any single bomb detonation may deviate from the average observed/computed
damage expected. The damage depends on the weapon orientation, its height above the ground,
and distance from the structure.
The damage should be interpreted as the percentage of the building square footage
destroyed or unusable. It is important to understand that these are only estimates. Specific site
conditions will affect the results. A small bomb will inflict little overall damage on a large
building, but may have a significant effect on a local section. Conversely, a bomb of the same
size may totally destroy a small building.
For further guidance on this subject, refer to TM 5-853/AFMAN 21-1071, Vols. 1, 2,
and 3. The damage categories listed in Table D-7 correlate to this document as follows:
Moderate Damage Level = Low Level of Protection
Minor Damage Level
= Medium Level of Protection
Minimal Damage Level = High Level of Protection
Table D-7
Structural Damage Level Categories
Structural
Percent
Damage Description
Repairable/
Damage Level Damaged*
Reusable
Severe
60 to 100 Possible Collapse. Frame collapse/
No
massive destruction; little left standing
Heavy
40 to 60
Non-Repairable. Large deformation of
Very unlikely
structure members;
Major nonstructural component damage
Moderate
20 to 40
Extended Disruption, Repairable. Some
Possible
deformation of structural members;
extensive nonstructural damage
Minor
10 to 20
Repairable. Little or no damage to major Most probably
structural members; some damage to
nonstructural members
Minimal
0 to 10
Quickly Repairable or Essentially
Yes
Operable. Window damage extensive;
light or local damage to nonstructural
members
* Percentage of damage of total building as a percentage of total building square footage
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