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    Sentryline Terminal End III - Non release terminal

Sentryline Terminal End III - Non release terminal

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The Sentryline Terminal End III has been tested to the guidelines in NCHRP 350 for a gating Test Level 3 terminal end. When installed correctly the system will allow an errant vehicle to over-ride or gate through the high tensioned anchor area of the terminal end. This new terminal is a non-releasing anchor design.


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  • Tested to NCHRP350 TL-3 (100kph) compliant 
  • AS/NZS 3845: 2015 compliant 
  • Low cost WRSB terminal anchor with minimal components
  • Point of need only 8m from ground anchor 
  • Comes with many components pre-assembled 
  • Exceptionally good vehicle behaviour 
  • Easily installed and low maintenance costs
  • Easily repaired after impact
  • Quicker installation time over competitors
  • Non releasing design after impact
  • Permitted for use in verge, median and gore areas
  • Designed to be used with Sentryline II NCHRP350 Wire Rope Safety Barrier System


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Sentryline II Wire Rope Safety Barrier System

Sentryline II WRBS TL3 Tested Terminal End

Sentryline – M® Wire Rope Barrier

Sentryline – M® Wire Rope Terminal End


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PDF Icon Brochure 134 KB
PDF Icon Installation Manual 2 MB
CAD Icon Technical Drawings


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Sentryline II Wire Rope Barrier Systems have been designed and tested to meet the evaluation criteria of NCHRP 350 Test Levels 3 and 4.

AS/NZS 3845:2015 compliant.
Approved for use by Australian State Road Authorities.


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  • Length of need is from Post 5 (measured 8m from ground anchor)
  • Maximum flare rate 30:1 over the entire length of the terminal end (offset from tangent)
  • Posts 1 – 7 are spaced at 1.5m (straight)
  • All steel components are hot dip galvanised
  • Posts – Hot dip galvanised & powder coated 
  • Cable – 19mm 3 x 7 strand pre stretched 
  • In ground concrete foundation 2500L x 1000W x 1500D mm 
  • 7 x line post footings 300mm diameter x 750D mm 
  • 4 x safety check link ropes
  • Concrete is 25Mpa
  • Tensioned to 25kN at 20°C. (Tension may vary depending on air temperature at the time if installation, see chart in the installation guidelines)
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