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 MIL-HDBK-1013/14
8.1.2
Delta Scientific Vehicle Barricade System
8.1.2.1
Description. The Delta Model TT205 and TT207 security barricade systems, shown in
Figures 11 and 12, are self-contained, hydraulically or pneumatically operated units that, depending
on the model, rise to various heights. These barriers are intended for high impact conditions. The
TT207FM is intended for site conditions where below-ground installations are not practical.
Performance and cost data for four models are shown in Table 5.
8.1.2.2
Testing. Model TT205 has not been formally crash-tested. Model TT207 was tested by
Sandia National Laboratories with a 6,000-pound (2,727-kg) vehicle, traveling at 50 mph (80 kph),
that penetrated the barrier 27 feet (8.2 m) and an 18,000-pound (8,182-kg) vehicle, traveling at 30
mph (48 kph), that penetrated 29 feet (8.8 m). Model TT207S was tested by Southwest Research
for DOS using a 15,000-pound (6,818-kg) vehicle, traveling at 50 mph (80 kph), that penetrated less
than 3 feet (0.9 m). The manufacturer tested Model TT207FM, using a 15,000-pound (6,818-kg)
vehicle, traveling at 50 mph (80 kph), that penetrated less than 3 feet (0.9 m).
Figure 11
Delta TT205, TT207, and TT207S High-Security Barricade System
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