February 2021 |
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20
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Product & Installation Manual: Sentry Barrier™
KEEPING
NZ SAFE
Construction of Terminal End or Crash
Cushion
The Sentry Barrier™ is compatible with a
variety of terminal ends and crash cushions.
The selection of a suitable design will depend
primarily upon the soil type, and geometric
constraints of the site. Please refer to the
relevant terminal end or crash cushion
Installation Manual for guidance to the
construction and installation procedure of that
specific device.
Installation Procedure (Posts and W-Beam)
Step 1
Review the site location and identify possible
hazards prior to commencing the installation of
the Sentry Barrier™. Any concerns, please refer
to the local Roading Authority.
Step 2
Place a string line from the centre of the
downstream terminal end or crash cushion to
required location of the upstream terminal end.
The string line should pass over the centre of
each post location and be marked accordingly
as the required location for drilling or driving
each post.
