Sentryline II TL- 3 and TL- 4 Wire Rope Safety Barrier

Introduction

Sentryline II TL-3 and TL-4 Wire Rope Safety Barrier is an AS3845 and NCHRP350 compliant longitudinal barrier. When installed correctly the system will allow an errant vehicle to be stopped, contained or redirected in a safe manner.

Features

• Tested to NCHRP350 TL-3 and TL-4
• AS3845: 1999 compliant and approved for use by Australian State Road Authorities
• Exceptionally good vehicle control and behaviour
• Can be used in either edge of the road or median application
• Easily installed and zero maintenance
• Alternative foundation pile size options available
• Easily repaired after impact
• Designed to be used with Sentryline II NCHRP350 TL-3 anchor
• Can be upgraded from TL-3 to TL-4 easily by the addition of another cable
• Low cost patented technology available exclusively through ACP

Product Characteristics

• All posts hot dip galvanised (powder coating in various colours optional)
• Cable – 19mm 3 x 7 strand pre-stretched by 35%
• TL-3 top cable 770mm from ground
• TL-4 top cable 790mm from ground
• Typically line post footing piles are 300mm diameter x 750mm (0.05m3)
• Length of need from post 5 (where post 1 is the trigger post)
• Posts 2 – 5 are spaced at 2m (LoN to the trigger post)
• The post spacing may vary from 2 to 9m depending on the deflection requirement
• Concrete to be 25Mpa
• Tensioned to 25kN at 20degC. (Tension may vary depending on air temperature at the time if installation, see chart in the installation guidelines)

Standards & Approvals

• Sentryline II Wire Rope Barriers have been designed and tested to meet the evaluation criteria of NCHRP 350 Test Levels 3 and 4.
• AS3845:1999 compliant
• Approved for use by Australian State Road Authorities.

Crash Test Results

Crash test deflection results - test barrier length 130m