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Rock work

Flynny's picture

By Flynny - Posted on 26 July 2012

NB: Originally posted elsewhere on the Global Riders Network and appears via syndication.

Berms and jumps were by first constructed a rock retaining wall, sometimes supported with timber. Dirt is then piled on the inside to construct the trail tread.
This saves having dirt eroding on the backside of the berm and also minimises the ammount of dirt needed to be excavated for berm

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