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,I; Cityof <br />Om Louisville <br />COLORADO • SINCE 1878 <br />Memorandum 1 Department of Public Works <br />To: Mayor and City Council <br />CC: Malcolm Fleming, City Manager <br />From: Kurt Kowar, P.E., Director of Public Works and Utilities <br />Date: 4/1/2016 <br />Re: Pavement Condition Index and Impacts of Preventative Maintenance <br />Staff is providing a short reference document for the City Council that explains how the Pavement /Overall <br />Condition Index relates to what seen in the Streets. Understanding why a street is scored a certain way and having <br />an understanding of what various work being done accomplishes for the system score can be helpful during capital <br />improvement budgeting discussions. <br />A visual of some common distresses on our streets <br />The Pavement Condition Index uses varying distresses categorized by low, medium, or high severity for each <br />distress. The most common distresses found in Louisville and used for this discussion are as follows (Please note <br />these are not all distresses that can occur): <br />Low, Medium, and High Transverse Cracking <br />3 mm <br />5 m <br />12 mm <br />4 mm <br />//////// / / / / / / / / / / / / / / / / / / /// %/f�' %LD/ <br />Edge <br />Stripe <br />20 mm <br />Traffic <br />4 mm <br />Note: Rate entire crack at highest level <br />present for 1 O% or more of total <br />crack length <br />0 Distress type 6, Low severity <br />