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<br />A water and sewer service line will be extended between Lots 12 & 13 on Mallard Way to <br />service the Eide property at 6882 Centerville Road. <br /> <br />3. STORM SEWER: <br /> <br />Storm water drainage will be directed via catch basins and storm sewers to ponding areas within <br />the plat. Ponding locations are shown on Figures 5A, 5B and Sc. Treatment ponds will <br />discharge to existing wetlands or drainage ditches. Total runoff from the site after all <br />construction is complete will not exceed existing runoff amounts. <br /> <br />In Phase 1, runoff from Grouse Hollow, Mallard Way and most of Dupre Road will be directed <br />to two treatment ponds. Discharge will be through a controlled outlet structure, allowing water <br />to enter a shallow ditch that flows north to the south line of Center Oaks. The ditch then flows <br />west to Centerville Road, before entering the deep county ditch. <br /> <br />Drainage from Dupre Road, north of Grouse Hollow, will be collected by catch basins and <br />directed in a temporary ditch to the north and east. Future phasing will eliminate the ditch and <br />direct the water to a permanent treatment pond. <br /> <br />The storm sewer in Phase 2 (shown on Figure SB) consists of catch basins and piping along <br />Pheasant Lane and Partridge Place. Discharge will be to a ponding area located in Phase 3. Thi~ <br />pond will need to be constructed during the Phase 2 project, with a temporary ditch outletting to <br />the east. A low spot on Pheasant Lane, within Center Oaks, will be picked up with catch basins. <br /> <br />Phase 3 storm sewer improvements are shown on Figure Sc. Low points on Partridge Lane and <br />Dupre Road will drain to a large treatment pond in the backyards, built as part of Phase 2. A <br />second pond will be constructed to the east of Dupre Road, acting as a final treatment of runoff <br />before discharge to a large wetland to the east of Pheasant Marsh. The intersection of Dupre <br />Road and Center Street, approximately 200 feet north of the plat line, has experienced drainage <br />problems in the past. Storm sewer will be stubbed to the north property line for extension in a <br />future City project. <br /> <br />5 <br />