We are renovating a farm house in France and we have started re-surfacing the old track down to the house (3m x 600m). The main area by the house (300m2) is clay and now very muddy due to the rain run off from the down hill slope of the road. We are scraping back the top layer of clay on the drive and digging a trench for drainage across the bottom of the road.
For the road and the drive, we have been advised to lay 150mm of 0/60 stone as a base followed by geotextile and then a top layer of 0/20, then roller-ed. In your opinion is this correct? Cheers, Mic.
Road construction materials - Size of stone
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Dave_L
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Personally I would dig to formation level, lay geotextile, lay the 0-60 stone 150-200mm (dependant upon ground conditions) and then finish off with a layer (100mm or so, again dependant upon ground) of MOT Type 1. IMO the 0-20 (or 20 to dust) that I've used is too fine, suitable for trimming up to final levels only.
RW Gale Ltd - Civils & Surfacing Contractors based in Somerset
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Tony McC
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