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Standards and Specifications - Crashworthy End Terminals
Quadguard CZ

Energy Absorption  Quadguard CZ Website

Photos of Quadguard CZ xquadguard_cz.jpg (1723 bytes) xquadguard_cz1.jpg (1961 bytes)

Plan sheets of Quadguard CZ

Design Criteria of Quadguard CZ

Length Width
3.58 m (11'-9") [3 bay] 610 mm (2')
3.58 m (11'-9") [3 bay] 760 mm (2'-6")
6.33 m (20'-9") [6 bay] 610 mm (2')
6.33 m (20'-9") [6 bay] 760 mm (2'-6")

 

NCHRP-350
Test Level
Design
Velocity,
km/h (mph)
Number
of Bays
Effective
Length,
m (ft)
Number of Cartridges
Type I
Front of System
Type II
Rear of System
TL-2 70 (44) 3 3.57 (11.75) 2 2
TL-3 100 (62) 6 6.32 (20.75) 4 3

 

Number
of Bays
Nominal Width
610 mm (24") 760 mm (30")
3 QZ2403G QZ3003G
6 QZ2406G QZ3006G

quadguard_cz_model_number.jpg (23182 bytes)

Foundation Specifications

  1. Concrete Pad
    • Foundation:  150 mm (6") minimum depth P.C.C.
    • Anchorage:  MP-3® with 180 mm (7") studs 140 mm (5 1/2") embedment
  2. Asphalt over P.C.C.
    • Foundation:  75 mm (3") minimum asphaltic concrete over 75 mm (3") minimum P.C.C.
    • Anchorage:  MP-3® with 460 mm (18") studs 420 mm (16 1/2") embedment
  3. Asphalt over Subbase
    • Foundation:  150 mm (6") minimum asphaltic concrete over 150 mm (6") minimum compacted subbase
    • Anchorage:  MP-3® with 460 mm (18") studs 420 mm (16 1/2") embedment
  4. Asphalt Only
    • Foundation:  200 mm (8") minimum asphaltic concrete
    • Anchorage:  MP-3® with 460 mm (18") studs 420 mm (16 1/2") embedment

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