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STONEWOOD, LLC <br />CONSERVATION DESIGN ANALYSIS <br />and local site conditions dictate. Additionally, the buffer will require permanent monuments <br />signifying the existence and location of the buffer. <br />D. Topographic Survey (Drainage) <br />The Grading and Site Plan indicates that the Project Site generally ranges from a topographic <br />high of 1010 feet to a low of 960 feet (wetland basin 3 water level). The existing drainage is <br />generally overland flow toward one of two wetlands and ditched wetland that drains to an <br />unnamed tributary to Lake Minnetonka. The grading and site plan proposes modest grading (red <br />circles in Figure 5) and installation of two stormwater infiltration basins (red arrow in Figure 5). <br />Infiltration basins as well as the previously noted base wetland buffer width will mitigate water <br />quality received by the unnamed tributary to Lake Minnetonka. <br />`�rJ jp�ppp �, t J� if �. ,✓!.. i , f�r � l r <br />+ r fi 1J r ffffJf� J � ❑ <br />rJ J'reffr f +A <br />I I �I� I I J rJllfff''rr�f��fJr+`�rJ'rJ � f � I <br />fs rl IJ ffJJJ f f Jf J f I <br />I AT _ J Jff�l <br />J <br />' rJJ�JfJJJ <br />A/!J ffrJJ fjJ `.I <br />y IIIIYII}� R I .r f f rJ ,, I I <br />TI -1 <br />Figure 5. Grading and Site Plan. Red lines depict proposed area of grading and red <br />arrows show stormwater infiltration basins. <br />387 ORONO ORCHARD ROAD <br />ORONO, MN <br />JUNE 2018 <br />9 <br />'�fri r rf r '+Id�T�f�f <br />� + � ` � <br />g <br />.. °� � pI + I' `'�� - ° �`'�"'e�iw �r`o`�m��`M i•�'•',1. � i r y, i iii <br />yrs J y Ilk' <br />J Y <br />40 <br />— <br />1 <br />�r •� f �� � <br />rr <br />r ! f � r rJ 1 3+' it <br />� �' <br />I <br />!_OY$�' `' • f, r1r I I= <br />`�rJ jp�ppp �, t J� if �. ,✓!.. i , f�r � l r <br />+ r fi 1J r ffffJf� J � ❑ <br />rJ J'reffr f +A <br />I I �I� I I J rJllfff''rr�f��fJr+`�rJ'rJ � f � I <br />fs rl IJ ffJJJ f f Jf J f I <br />I AT _ J Jff�l <br />J <br />' rJJ�JfJJJ <br />A/!J ffrJJ fjJ `.I <br />y IIIIYII}� R I .r f f rJ ,, I I <br />TI -1 <br />Figure 5. Grading and Site Plan. Red lines depict proposed area of grading and red <br />arrows show stormwater infiltration basins. <br />387 ORONO ORCHARD ROAD <br />ORONO, MN <br />JUNE 2018 <br />9 <br />