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IMS Infrastructure Management Services Arden Hills Report P a g e | 7 <br />Patching – Quantified by the extent <br />and quality of patches. Even a good <br />quality patch is considered a surface <br />defect and affects the conditions. <br /> <br /> <br />Raveling – Loss of course <br />aggregate materials on the <br />pavement surface and is measured <br />by the severity and number of <br />square feet affected. <br /> <br /> <br />Bleeding – the presence of free <br />asphalt on the roadway surface <br />caused by too much asphalt in the <br />pavement or insufficient voids in the <br />matrix. The result is a pavement <br />surface with low skid resistance. <br />This distress is measured by the <br />amount and severity of the area. <br /> <br />Edge Cracking – Running parallel <br />to the road and usually within 1 to 2 <br />feet of the outer edge of the <br />pavement, this distress is <br />accelerated by traffic loading and <br />weakened base conditions resulting <br />from poor drainage. <br />