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 MIL-HDBK-1013/12
<1> Does Cross-Section Have Ballistic Resistance Certification? Determine if the glazing cross-section is
certified to resist ballistics attack at the required threat severity level using Table 5. If the cross-section is
certified at the required threat severity level, proceed to <2>. Otherwise proceed to <3>.
<2> Copy Cross-Section Thicknesses. In the appropriate row of the Cross-Section Evaluation worksheet (see
Appendix B for all worksheets), copy the values in column (a) to column (d). Proceed to <4>.
<3> Cross-Section Ballistic Resistant Thicknesses. Get cross-section thicknesses for the appropriate threat
severity level. Use Figure 18. Proceed to <4>.
<4> Does Frame Have Ballistic Resistance Certification? Determine if the frame is certified to resist ballistic
attack at the required level using Table 5. If frame is certified at the required threat severity level, proceed
to <5>. Otherwise, proceed to <6>.
<5> Copy Frame Properties. Copy data in column (a) of the Frame Evaluation worksheet to column (e).
Proceed to <7>.
<6> Get Minimum Thicknesses for Frame. Get the minimum frame thicknesses from Table 6 and enter
these values into column (e) of the Frame Evaluation worksheet. Proceed to <7>.
<7> Get Minimum Thickness for Wall. Get the minimum wall thickness of the appropriate wall construction
from Table 7 and enter this value into column (e) of the Wall Evaluation worksheet. Return to Figure 9.
Figure 17
Description:
Ballistic Resistant Glazing Evaluation Procedure
Table 5
Ballistic Tactic Threat Severity Level Standards
Threat
Standard
Caliber
Bullet Weight
Velocity
Number of
Severity
Weapon
and Type
Range
Shots
Level
ft/s
Resisted
(m/s)
UL-752-95a
Low
9 mm
124 gr.
1175-1292
3
Level 1
Full metal
(358-394)
jacket with
lead core
UL-752-95a
Medium
.44
240 gr.
1350-1485
3
Level 3
Magnum
lead semi-
(411-452)
Revolver
wadcutter gas
checked
HPW-Db
High
7.62mm
147 gr.
2700-2800
3
Assault
M-80 ball
(823-853)
Rifle
UL-752-95a
12 ga.
437 gr.
1585-1743
3
Supplementary
Rifled lead
(483-531)
shotgun
slug
UL-752-95a
Very
7.62mm
150 gr.
2750-3025
5
High
Level 8
Rifle
lead core full
(838-922)
metal jacket,
military ball
a
Underwriters Laboratories, Inc., Standard for Bullet-Resisting
Equipment
b
H.P. White Laboratory, Inc., Transparent Materials and
Assemblies for Use in Entry or Containment Barriers
49
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