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Ms. Katie Larsen <br />June 6, 2018 <br />Page 6 <br /> <br /> <br /> S:\Community Development\Projects\Planning Cases\Nature's Refuge\Staff Reports\20180611 CC (RZ & PUD PP)\20180611 v2 (revised 20180608)\a2 2018060 <br />A meets Main Street (CSAH 14), and installing 1-inch diameter Type K copper services. <br />The City’s Comprehensive Plan requires that a 16 inch diameter trunk main be extended <br />north/south in this area. The proposed watermain extends west and north for future <br />connection / looping. <br /> <br />Comments: <br /> <br />1. The applicant shall loop the system along the west side of Lot 25 Block 4 from Street C <br />to Main Street. Watermain loop added. <br />2. The applicant shall install 16 inch diameter trunk watermain from Main Street north <br />through the development. Along west side of Lot 25 Block 4 and to the north extents of <br />Street C. Trunk oversizing credits will apply. Watermain sizing updated. <br />3. Watermain shall be extended north along Street C under ACD 10-22-32. <br />Watermain extended to the northern property line. <br /> <br /> Sanitary Sewer <br /> <br />There is an existing 21 inch diameter trunk sanitary sewer located along CSAH 14 (Main <br />Street). The Nature’s Refuge development is proposed to be served by extending 8-inch <br />diameter PVC sanitary sewer throughout the development from an existing sanitary sewer <br />manhole in Main Street (CSAH 14) just south of Outlot E, and installing 4-inch diameter <br />Schedule 40 PVC services. The City’s Comprehensive Plan requires that the sanitary system <br />serves the future lift station and forcemain of Sanitary Sewer Sub-District 2K, discharging <br />to the northernmost proposed manhole in Street C. <br /> <br />Comments: <br /> <br />1. The applicant shall increase the mainline sanitary sewer in Street C and D to 10 inch <br />diameter at minimum grade 0.28%. Trunk oversizing credits will apply. <br />Sanitary sewer sizing updated. <br />2. The existing sanitary sewer stub at Main St and Street A shall be properly abandoned <br />and plugged at the Manhole. Note added to abandon. <br />3. The applicant shall add a note that sanitary services require the contractor to provide X, <br />Y and Z GPS coordinates of wyes and service ends for future locating requirements. <br />This will be noted on final construction plans. <br />4. The applicant shall add a note that sanitary sewer pipe be installed with a tracer wire. A <br />tracer wire box shall be provided at the surface for the ends of the sanitary sewer service <br />tracer wire to provide access to wire ends for future locating requirements. <br />This will be noted on the final construction plans. <br />5. Sanitary Sewer shall be extended north along Street C under ACD 10-22-32. <br />Sanitary sewer extended to the northern property line. <br />6. Sanitary Sewer shall be extended west along Street C from the most westerly manhole to <br />the same extent as the watermain. Sanitary stub added. <br /> <br /> <br /> <br />