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 MIL-HDBK-1013/14
Table 10
Defender Barrier System Available From OMNISEC
Model
Defender*
Height, inches (cm)
30 (76)
Width, inches (cm)
10 (25) @ 3 ft (0.9 m) on center
Normal operating cycle (seconds)
4 to 6
Emergency operating cycle (seconds)
<1.5
Kinetic energy absorbed in impact testing, ft-lbf
0.445 (0.06)
(kgf-m) x one million
Kinetic energy rating by engineering analysis, ft-lbf
NA
(kgf-m) x one million (destruction of vehicle with
some damage to barrier)
Barrier cost, $ x one thousand for a single system.
15 to 20 depending on width of clear
Optional items are extra.
opening
Installation cost as a percentage of equipment cost
75
*DOS certified
NA = Not Available
8.1.7.2
Testing. A three-bollard system, spaced 3 feet (0.9 m) apart, was tested. A 14,885-
pound (6,766-kg) vehicle traveling at 29 mph (47 kph) penetrated 10.5 feet (3 m).
8.1.8
OMNISEC Magnum Vehicle Barrier
8.1.8.1
Description. The Magnum barrier, shown in Figure 21, is a self-contained system that
can be operated either manually or hydraulically. It consists of welded-steel members rotating
around a heavy, solid-steel shaft at grade level. Three barrier widths are available: 8-, 10-, and 12-
foot (2.4-, 3-, and 3.66-m). The Magnum requires a 4-foot (1.2-m) excavation for the foundation.
An hydraulic cylinder raises the rotating members through linkages. These barriers are intended for
high impact conditions.
OMNISEC also produces a shallow-mounted [13-inch (33-cm) deep excavation] vehicle
barrier called the Stinger that is hinged in the front. Performance and cost data for both barriers are
shown in Table 11.
53
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