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CCP 03-08-1993
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CCP 03-08-1993
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<br />I <br />~ INTRODUCTION <br /> The Feasibility Study for the 1993 Pavement Maintenance Project, consisting of bituminous <br /> overlay and seal coat improvements, was authorized by Resolution 92-76, adopted by the City <br />I Council at their December 28, 1992, meeting. The original Feasibility Study was received at <br /> the January 25, 1993, City Council meeting, but additional funds became available and <br />I additional streets were added to the overlay portion of the project. <br />I In Fall 1992, all streets within the City were reviewed and rated by Public Works staff and the <br /> City's computer pavement management data was updated. This computer program includes data <br />I on each street's condition and prioritizes the need for maintenance. Based on these ratings and <br /> input from City staff, a list of streets requiring bituminous overlay and seal coating was <br />I developed. <br />I SCOPE <br /> The purpose of this study is to analyze the feasibility of bituminous overlay and seal coat <br />. improvements on various streets within the City. This Feasibility Study will discuss existing <br /> conditions, proposed improvements, and estimated project costs. Financing methods will be <br />I discussed, using the City's Assessment Manual as a guide. A proposed project schedule will <br /> also be presented. <br />I <br /> EXISTING CONDffiONS <br />I The City's pavement management system rates all streets based on the number and severity of <br /> cracks, areas of settlement, existing pavement thickness, and age of the street. The data is <br />I collected in the field and entered into a computer program, which outputs a single numerical <br /> rating for each street on a scale of 1 to 100. A score of 100 would be calculated for a new <br />I street, with scores decreasing as the street ages and deteriorates. Streets rated over 95 do not <br />I require any work other than isolated crack filling. Streets rated between 90 and 95 require seal <br /> coating. Streets rated between 69 and 89 require bituminous overlay improvements. Streets <br />I rated lower than 69 require reconstruction, as it would not be prudent to spend maintenance <br /> money on streets which are structurally failing. It is in this last category that recycling of the <br />r pavement, as completed in 1992 on Round Lake Road and Dunlap Street, can be considered. <br />I Pl!As-520.m9 -2- 52().lll9-IO <br />
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