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Ezy-Guard 4 Guardrail Crash Barriers

Ezy-Guard 4 guardrail crash barriers impose lower forces to the impacting vehicle than traditional guardrail crash barriers. As the crash barrier deflects, vehicle impact energy is dissipated through yielding of the posts and tensile forces exerted on the W-Beam. The lightweight, ductile Z-posts provide a forgiving impact, reduce ride-down deceleration forces and minimise occupant risk.

The system has been fully crash tested to MASH TL3 and now offers NCHRP-350 TL4 containment level.

With a system width of just 200mm, Ezy-Guard 4 is significantly narrower than traditional guardrail barriers that incorporate the use of blocking pieces. Ezy-Guard 4 conserves valuable formation width and allows a greater recovery width to be provided for errant vehicles.

The system also offers rapid installation when compared to other crash barrier systems with a quickly driven 875mm of post in ground and no concrete required.


Metric Units
Ezy-Guard 4 Z-Post Length 1,650 mm
Ezy-Guard 4 Z-Post Mass 12.4 kg
Ezy-Guard 4 System Mass 18.6 kg / metre
Rail Height Above Ground 787 mm
Z-Post Height Above Ground 777 mm
Z-Post Spacing 1,905 mm
Ezy-Guard 4 system Width 200 mm
MASH TL3 Crash Test Deflection 1.65 m

 

SAFER – HIGH PERFORMANCE – LIGHTER – COST SAVINGS – FEWER PARTS
RAPID INSTALLATION – NARROW WIDTH – CONSIDERATION FOR MOTORCYCLISTS

Please click here for information on end-terminals suitable for the Ezy-Guard system.

 

  Ezy-Guard Smart MASH 3-11 - 2270kg - 100km/h - 25o impact angle


 

Drawing Number
Description Updated
EZY-SM-005 Ezy-Guard Smart Assembly Sheet 1 of 2
19/08/2011
EZY-SM-006
Ezy-Guard Smart Assembly Sheet 2 of 2
01/04/2011
EZY-SM-023
Ezy-Guard 4 to NZTA Trailing Terminals
16/10/2011
EZY-SM-025
Ezy-Guard NZTA Conc Transition
16/12/2011
EZY-SM-030
Ezy-Guard NZTA Curved Driveway
20/01/2014
EZY-SM-034 Ezy-Guard 4 – 787mm ASSEMBLY 10/12/2014
EZY-SM-061 Ezy-Guard Connection to Approach Terminal 11/10/2011
EZY-SM-115 Ezy-Guard 4 NZTA Surface Mount Assembly Detail 25/08/2015
EZY-SM-116 Ezy-Guard Assembly Detail 25/08/2015
EZY-SM-125 EZY-Guard Smart NZTA Z-Post on Base Plate assembly 21/01/2014
EZY-SM-136 Ezy-Guard 4 Surface Mount in Assy - Ground Beam Detail
7/11/2014
EZY-SM-RSB4 Ezy-Guard Smart Long Span Nested Guardrail 20/01/2012
10007408
Ezy-Guard Smart Post on Base Plate 720mm OA
21/01/2014
10007927 NZTA Cast-In Bracket Assembly Detail
29/03/2016