Case Study, Pathways - DOC Gisborne Area Office

Grey's Bush Scenic Reserve - Track Upgrade


Project Brief

The primary aim was to upgrade the current track to an enhanced short walk experience within a tall stand, kahikatea (podocarp), forest area close to an urban area i.e. 9.5 kilometres from Gisborne town centre. A secondary aim was to provide the opportunity of enjoyment to as wide a proportion of the general public as possible, in particular the disabled and young families using wheel chairs and strollers.

Construction Steps

  1. Levelled the ground with a slight elevation in the middle of the track. The total width of the track is approximately 1.6 metres.
  2. Laid sand, approximately 20ml, onto the track (over the compacted parent material) and compacted to provide a bed for the mat to lie on.
  3. The mats were laid, shortest side (4mats x 400mm total 1600mm) across the track interlocking the mats in straight sections of track.
  4. The mats were secured in place using 10mm gauge reinforcing steel cut to 200mm lengths @ approx 1 per matt.
  5. The mats were filled and compacted, using a local aggregate (Matakoitoki Red Rock)
  6. A cap layer was then applied of GAP20 with a small amount of cement added to aid compaction and surface strength.


Track has now been down 4 months with regular visitors and very favourable comment as to enhanced walking comfort.


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JakMatGeocell is a more robust version of the JakMat and can be used in car parks and utility area construction.

JakMatEnviro is used for walking tracks and environmental protection, for reinforcing ground used by walkers to reduce the physical wear and tear on popular walking tracks and also for farm environments.

JakMatDairy provides a solution to race problem areas on farms caused by high stock traffic.


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