Hi Des Das, the fall/gradient is largely dependant on the existing level/slope of your drive. Make sure that the finished driveway is 150mm below the damp proof course if it is near any adjoining buildings. To aid drainage you'll have to create a slight slope. This should be constructed with a 1:40 fall across the width of the drive and a 1:80 fall along the length. Hope that helps😀
@desdas3941
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@@naturalhabitatlandscaping3681 which layer do I create fall? Is it at base layer or sub-base layer?
@naturalhabitatlandscaping3681
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@@desdas3941 On all layers. Start with your sub-base and mirror that fall on the base layer. 😉
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