: Products : Guardrail : Thrie-Beam
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STANDARDS AND APPROVALS
Thrie-Beam complies with the requirements of:
- NCHRP350 TL-3 and TL-4 when used as an approved system
- AS/NZS 3845:1999 - Road safety barrier systems
- NZTA specifications M/23 and M/17P.
For further information on Road Safety Barrier Standards in New Zealand, click here.
Thrie-Beam is available ex-stock in standard effective lengths of 4.00 metres and 2.00 metres.
The standard straight section will align to give a smooth transition on curved with a radius greater than 45m. Pre-curved Thrie-Beam is required for tighter radii and may be curved to traffic face concave or convex - refer to table in technical information.