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Potholes
Potholes are what most people think of when they think of pavement failures. These are usually non-functional pavement areas where the pavement has completely failed, exposing the base aggregate beneath it. Potholes usually pose liability issues such as causing vehicular suspension damage, or tripping hazards if they reside within pedestrian walkways.
Potholes are often the result of several years of failing pavement in areas of fatigue where pre-emptive repair was not done until the area has completely failed.
Potholes should be sawcut around the entire failing area, excavated, and base repaired using fresh ABC stone. Then proper placement of the asphalt design specification. The asphalt design specification varies from job to job. Typically the asphalt design will range from 3" of asphalt (2" of base asphalt, with 1" of surface wear asphalt).