DSB Technical Specification

The DSB’s military load classification of 120 at 46m, with a width of 4.3 metres, makes it far superior to the existing bridging system which it is replacing, both in performance and speed of deployment.

A tank crossing a DSB at speed
A tank crossing a DSB at speed

Development of the DSB started with a U.S Army operational requirements document for a tactical bridge that was responsive, deployable, sustainable and agile.

Property Specification
Maximum clear span 46m
Span range & increments 22m to 40m in 6m increments
Military Load Classification (MLC) Normal 80 (T) / 96 (W) at 46m
Maximum 120 (W) at 46m
Road width 4.3m
Bank Heights Up to +/- 3m
Longitudinal Bank Slope 1 in 20
(reduced capability at 1 in 10)
Lateral Bank Slope 1 in 20
Crew 8
Launch Time Less than 90 min
Launch Vehicle Stowed LWH 12 x 2.98 x 3.985m
Weight 39,410kg
Parallel Module Stowed LWH 5.95 x 2.44 x 1.1m
Deployed LWH 5.95 x 4.3 x 1.19m
Weight 4,417kg
Ramp Module Stowed LWH 5.95 x 2.44 x 1.1m
Deployed LWH 5.96 x 4.3 x 1.19m
Weight 4,080kg
End Beam LWH 2.5 x 0.375 x 0.56m
Weight 357kg
Approach Ramp LWH 4.09 x 0.42 x 0.19m
Weight 86kg
Decking & Kerbs Integral — does not require dressing after
bridge setdown
General detailed information Full technical specification available on request
Operating conditions (air temperature) Minus 46 to plus 49 °C
Normal launcher environment operating conditions (air temperature) Minus 29 to plus 49 °C

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