Agenda - Parks and Recreation Commission - 04/10/2014

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2004. D. PROPOSED SANITARY SEWER TRUNK SYSTEM In order to serve the unsewered portions of the City of Ramsey it will be necessary to extend the City's sanitary sewer trunk sewer system to individual sewer sub -districts as shown on Figure 3. By utilizing aerial topography the existing unsewered subdivisions and undeveloped properties south of Trott Brook were evaluated to determine drainage areas. Based on this evaluation, proposed sewer sub -district boundaries were established so that each drainage area will have a point to collect sanitary sewer flows into the trunk sewer system. It is proposed that a local sewer system be developed to ultimately convey sanitary sewer flows to the trunk sewer system. E. RECOMMENDATION AND IMPLEMENTATION The extension of sanitary sewer will be necessary for the City of Ramsey to grow with urban densities. Therefore, as growth occurs it is recommended that the sanitary sewer trunk system is extended as shown on Figure 3. The implementation of the sanitary sewer trunk system extensions is dependent on the rate and location of future growth. The extension of sanitary sewer east of the Town Center development and south of the existing MUSA line will not require the extension of the City's trunk sewer system. The trunk sewer system will need to be extended to provide sanitary sewer service to the areas west of the Town Center development and north of the current MUSA line. Currently, there is development pressure just south of Trott Brook along Nowthen Boulevard and at the commercial nod located at the intersection of T.H. 47 and 167th Avenue. In order to provide sanitary sewer service to these areas it will be necessary to extend the trunk sanitary sewer system to both areas. Figure 4 and Figure 5 show the proposed sewer extensions for the proposed northwest and northeast service areas. City of Ramsey Page ES -4 Comprehensive Sanitary Sewer Plan - 2004 Prepared by Bolton & Menk, Inc.