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    Sentryline – M® Wire Rope Barrier

Sentryline – M® Wire Rope Barrier

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The Sentryline – M® Wire Rope Barrier is a high-tension cable barrier, with an accompanying terminal end, designed and tested for full compliance with MASH (2016) levels TL-3 and TL-4. Sentryline – M® Wire Rope Barrier allows an impacting vehicle to be re-directed in a safe and predictable manner under MASH 2016 impact conditions.


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  • Tested to MASH (2016) TL-3 and TL-4 by Holmes Solutions 
  • Approved by Austroads Safety Barrier Assessment Panel (ASBAP)
  • Easily installed with minimal maintenance required
  • Quick to repair after a collision
  • Can be installed in median and road side applications
  • Cables can be installed in any order - unlike interwoven or stacked cable systems
  • Cables can be removed and re-attached individually
  • Features non releasing terminal ends
  • Designed in New Zealand - Patent pending (WO 2020/128929)

Post options

  • Bolt Down Sentryline – M® post option available - used on concrete ground beam where services or ground conditions do not allow use of  standard concrete post footings
  • Sentryline – M® Driven Sockets - an alternative to the typical concrete post footing where a steel sleeve is driven inground


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Sentryline II Wire Rope Safety Barrier System

Sentryline II WRBS TL3 Tested Terminal End

Sentryline Terminal End III - Non release terminal

Sentryline – M® Wire Rope Terminal End


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  • AS/NZS 3845 – Part 1 Products
  • MASH (2016) TL-3 & TL-4 tested by Holmes Solutions
  • Approved by Austroads Safety Barrier Assessment Panel (ASBAP)


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  • Cable – 19mm 3 x 7 strand, pre-stretched by 35%
  • Cable heights (to the centre) as per drawing FX748
  • Typically Line Post footing piles are 300mm diameter x 750mm (0.05m3)
  • Length of Need is met at Transition Line Post 5 
  • Tensioned to 25kN at 20°C (Tension may vary depending on air temperature at time of installation, see chart in Product and Installation Manual)
  • Max flare, 300mm over 10m of the terminal end (offset from tangent)
  • All components are hot dip galvanised (posts are all hot dip galvanised with an optional powder coated finish)
  • Concrete is 25MPa
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