The Sentry Barrier TL-4 Thrie-Beam System is a roadside Thrie-Beam guardrail system suitable for containing, redirecting and shielding vehicles from roadside obstacles. The barrier has been designed and tested to meet the evaluation criteria of MASH Test Level 4 for a longitudinal barrier. This is the current and highest performance testing criteria in line with AS/NZS 3845.1:2015, exceeding the requirements of NCHRP 350 Test Level 4.
Sentry Barrier TL-4 Thrie-Beam System
FEATURES
- MASH Test Level 4 compliant as a permanent Longitudinal TL-4 Barrier system
- AS/NZS 3845.1:2015 compliant and recommended for acceptance by the Austroads Safety Barrier Assessment Panel (ASBAP)
- Less components, weight and footprint than public domain TL-4 Thrie-Beam guardrail
- Proprietary washer and post slot allow for easy and fast installation with no special tools
- Superior dynamic deflection results that is more forgiving on vehicle impacts
- Conventional ‘C’ shaped post but shorter, smaller profile and lighter than public domain
- No block out, stiffener or bracket required between rail and post connection
- Large flexibility and tolerance in system height to accommodate easy transitioning
- Recommended for use with the MAX-Tension™ End Terminal range
SPECIFICATIONS
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STANDARDS AND APPROVALS
- MASH Test Level 4 compliant as a permanent Longitudinal TL-4 Barrier system
- AS/NZS 3845.1:2015
- Austroads Safety Barrier Assessment Panel (ASBAP) recommendation for acceptance