Wire Rope Safety Fence Design

Brifen wire rope safety nchrp 350 test level 3 is a patented cable barrier guardrail system used on roads and highways to contain and redirect errant vehicles by preventing the vehicles from crossing the barrier or deflecting back into the traffic flow.

Wire rope safety fence design.

In road design worldwide brifen wire rope barrier fences are considered to be both an efficient use of material and a forgiving elastic product designed to successfully first cushion a vehicle s impact and then safely redirect the vehicle. Wire rope safety fences guardrail installations are experts at the installation and maintenance of wire rope safety fences. It is designed to absorb the energy of an impact minimizing injury to passengers and damage to vehicles. Brifen wire rope safety barrier has been fully crash tested and evaluated according to the specifications for test level 3 tl3 of the aashto manual for assessing safety hardware mash.

Brifen wire rope barrier fences for roads have been built in the uk since 1972 in australia since 1992 and in the us since 2000. Inspections should use methods that will identify degradation in external and internal wires. This report documents the development of guidelines for use of cable barrier systems in texas. Brifen s unique patented interweaving of the wire ropes are used to contain redirect errant vehicles by preventing the vehicles from crossing the barrier or deflecting back into the traffic flow.

The unique woven rope system grips the posts the bigger the impact the harder the ropes grip the posts and control the deflection regardless of whether the installation is 100m or 10 000m between anchors. The superior design of flexfence wire rope safety barrier wrsb has seen it become the road safety industry s preferred wire rope barrier. Flexfence wire rope safety barrier 4 0 technical data 4 1 flexfence performance wire rope safety barriers are classified as flexible barriers and consideration must be given to the expected movement of the barrier when impacted. Detailed inspection requirements are described in the osha standards industry consensus standards and the manufacturer s instructions.

Wire rope safety fence wrsf specifications 1 0 description this specification covers all materials used in the installation of wire rope safety fence wrsf together with construction methods for installation. The mash specification is an update to and supersedes nchrp report 350 for the purposes of evaluating new safety hardware devices. The design of a wrsb should include an assessment of the mass of the impacting vehicle its speed and angle. Equipment design should facilitate the ability to visually inspect the wire rope along its entire length.