6.3. SR 01-13-2003 - Laserfiche WebLink

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III. NECESSITY AND COST-EFFECTIVENESS The improvements proposed in this study are necessary for a number of reasons. The proposed sanitary sewer improvements will replace on-site septic systems on relatively small lots. The proposed watermain improvements will connect to the City's existing system at multiple locations providing an added benefit of a looped system. The proposed improvements will be developed into a project large enough to ensure a competitive bidding process. Therefore, the proposed improvements will be cost- effective. Based on the information contained within this report, the proposed improvements are necessary, cost-effective, and feasible from an engineering standpoint. IV. EXISTING CONDITIONS Utilities At present, Boston Street and Concord Street, between Mississippi Road and Orono Road, are the only streets in the surrounding area without City sanitary sewer and water. Eight-inch PVC sanitary sewer and 16-inch DIP watermain were extended along Orono Road in 1991 as part of the Western Area Phase 1 Project. Properties along Boston Street and Concord Street that also abut Orono Road had sanitary sewer and water services extended to their property line as part of that project. However, it appears that the property located at 12926 Orono Road only had a watermain service extended to the property line, with the sanitary sewer service planned for the time when utilities were extended on Boston Street. 12-inch DIP watermain was extended along Mississippi Road outside of the roadway in 1993 as part of the Mississippi Oaks 1st Addition. Street The existing roadway for both streets consists of a 24-foot asphalt rural section road. There is currently no storm sewer on either road, with drainage directed to roadside ditches.