When is scarification needed for road work?
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Madeh Izat Hamakareem
Scarification is carried to remove unacceptable asphalt that does not meet standard specifications, remove irregularities, bumps, or ruts on the road before resurfacing it.
I assume you are talking about flexible (asphalt) pavements. Sacrification is needed when the cuts, potholes and all deformations are such that :
The entire bituminous layer until the depth of the craters is scraped off, and a new layer with fresh material is then applied to reconstruct the road.