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28 <br />4. PROPOSED IMPROVEMENTS <br />4.1 Sanitary Sewer <br />The existing 9 -inch VCP will be reconstructed with 8 -inch PVC, including the <br />replacement of sanitary sewer services within the project area. All services are proposed <br />to be replaced with 4 -inch PVC service pipe from the sewer main to the right-of-way. <br />Replacing aging trunk utility facilities at the same time as the road construction is a <br />proactive means by which to mitigate future maintenance costs. <br />The proposed sanitary sewer improvements are shown on Figure 4 in Appendix A. <br />4.2 Water Main <br />Existing 6 -inch CIP is proposed to be replaced with 8 -inch DII', including the <br />replacement of water services up to and including the curb stop. Services will be replaced <br />with I -inch copper service pipe and curb stops brought to the right-of-way. All existing <br />water main in the project area will be equipped with new valves and hydrants as <br />necessary for proper operation and fire protection. Replacement of existing services will <br />alleviate head loss and increase water pressure to properties by providing a clean service <br />pipe. <br />The proposed water system improvements are shown on Figure 6 in Appendix A. <br />4.3 Storm Sewer <br />Reconstruction of the roadways provides the opportunity to improve drainage in the area <br />with the installation of additional storm sewer facilities. The existing storm sewer <br />systems at the north and south ends of the project area will be improved with the addition <br />of catch basins along Edgemere Street NE, Wendhurst Street NE, and Penrod Lane to <br />better accommodate area drainage. <br />The proposed storm sewer also includes raingarden improvements as necessary to satisfy <br />the requirements of the Rice Creek Watershed District. These improvements will take <br />place at the north end of Central Park. <br />The proposed storm sewer improvements are shown on Figure 7 in Appendix A. <br />4.4 Streets <br />Reconstruction of the existing street is intended to improve the design strength of the <br />pavement system and provide a street surface with an extended life. The proposed street <br />improvements include reconstructing the roadways to the existing roadway width, which <br />includes a 30 -foot street width (Pace -to -face of curb), allowing for two I 1 -foot driving <br />lanes and 4 -foot reaction areas on each side of the street, with concrete curb and gutter. <br />2014 SMEE'r AND UTILITY IMPROVP:MENT PROJECT <br />FEASIBILITY REPORT <br />CITY OF Sl'. AN'rnONY VILLAGE <br />WSB PROJECT NO. 1626-82 <br />TABLE OF CONTENTS <br />PAG E6 <br />