R2000-93 ACCEPTING THE BID AND AUTHORIZING A CONTRACT

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_ . . � oF.p�c ~ 9C V A `�1� � '�[LINO�`' June 14, 2000 PUBLIC WORKS MEMORANDUM NO. 2000-43 MEMORANDUM TO: Honorable Mayor and City Council FROM: Steve Garman, City Manager � �/ Bruce McNabb,P.E., Director of Public Works � Stephen Swanson, P.E., City Engineer ' �� r SUBJECT: Street Reconstruction City Project 2000-24 The Street Reconstruction Program involves constructing new pavement in curbed or non-curbed streets having existing asphalt pavement with no remaining useful life. Curbed streets in this program have over time received multiple layers of surface treatments andJor overlays and it is not practical to continue overlaying such streets. Each succeeding layer has reduced the available gutter depth by the thickness of the surface treatment or overlay. The available gutter depth on most of these streets has become two inches ar less, such that the curb has lost most of its functional purposes (i.e. drainage control, access control, pavement edge delineation, delineation of non-vehicular travelways, aesthetics, roadside management, etc.). Non-curbed streets in the program have existing pavement that is badly deteriorated through age and use and can no longer cost effectively be maintained by the City's street crews. These streets are a constant source of citizen complaints because of their poor condition, which precludes routine City maintenance practices from being cost effective. The City has performed limited maintenance work as a temporary relief to roadway users. This year's program will reconstruct approximately 3.3 centerline miles of street. The miles of City streets needing to be reconstructed are estimated to be 36.4 miles of asphalt streets and 14 miles of concrete streets based on the Pavement Management System report for needs through 2000. A listing of the streets in this year's program is attached for your information.