>>Specially that the soil is basically soft here, so any pavement you put is bound to develop a slope over the years, and those two degrees are actually the most dangerous, because you don't really notice them until the gravity takes you to look closer.
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>If you don't clear your path what do you have to pay ?

A fine. Don't know how much - I've always cleaned mine. Actually, last winter in the US we had something like the snow they had recently, maybe 10cm less. Our pavement was the only clean one :).