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<br /> <br />2018 STREET AND UTILITY IMPROVEMENT PROJECT <br />FEASIBILITY REPORT <br />CITY OF ST. ANTHONY VILLAGE <br />WSB PROJECT NO. 010507-000 PAGE 6 <br />4. PROPOSED IMPROVEMENTS <br /> <br />4.1 Sanitary Sewer <br /> <br />The existing 9-inch VCP will be reconstructed with 8-inch polyvinychlorde (PVC) pipe, <br />including the replacement of sanitary sewer services. All services are proposed to be <br />replaced with 6-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 /> <br />The proposed sanitary sewer improvements are shown on Figure 4 in Appendix A. <br /> <br />4.2 Water Main <br /> <br />Existing 6-inch CIP is proposed to be replaced with 8-inch DIP, including the <br />replacement of water services up to and including the curb stop. Services will be replaced <br />up to the right-of-way with the appropriate 2-inch copper or 6-inch ductile iron service <br />pipe. All existing water main in the project area will be equipped with new valves and <br />hydrants as necessary for proper operation and fire protection. Replacement of existing <br />services will alleviate head loss and increase water pressure to properties by providing a <br />clean service pipe. <br /> <br />The proposed water system improvements are shown on Figure 5 in Appendix A. <br /> <br />4.3 Storm Sewer <br /> <br />Reconstruction of the road provides the opportunity to improve drainage in the area with <br />the installation of additional storm sewer facilities. The existing storm sewer system will <br />be improved with the addition of catch basins along the roadway to better accommodate <br />area drainage and the extension of new storm sewer where facilities do not currently <br />exist. <br /> <br />The proposed storm sewer improvements are shown on Figure 6 in Appendix A. <br /> <br />4.4 Street <br /> <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 for the City of St. <br />Anthony Village. Macalaster Drive, Foss Road, and Highcrest Road are proposed to be <br />replaced at their current width from back-of-curb to back-of-curb, which allows for two <br />12-foot driving lanes on each street and an 8-foot parking lane on east side of Macalaster <br />Drive and Foss Road. <br /> <br />The addition of a 6-foot wide concrete sidewalk will be evaluated during design as an <br />option for construction along the east side of Macalaster Drive and the west side of Foss <br />Road. <br />32