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~ 1' <br />v <br /> <br />\~1 < <br />l <br />OF COMMER BUILDING <br />,~ ~5~~ <br />=~ '1~ <br />PARKING AREA <br />US HIGHyyAY 10 <br />US HIGHWAY 10 <br />GREAT RIVER ENERGY AR <br />~I <br />~~ <br />o~ d~ d~ ~'~ e1 <br />.. \pp \q. \q. \qqP `q. <br />oQ~~ F3`~~ ~PQ~ QQ°~` ° ~a ~ <br />. ~ CQ~`Q QP~ PPG 11 S H PG H Y 10 <br />~ ....... <br />BIOINFILTRATtONRREA: POLLUTION REDUCTION MODELING (WinSLAMM): VEGETATION CONSIDERATIONS: <br />DRAINAGE AREA - 46,610 (519'o IMPERVIOUS) <br />BASIN AREA - 1000 SOET TSS (Ib/yr): - 589.00 (90% REDUCTION) With relatively shallow slopes of 15%, the pretreatment and <br />MAX PONDING DEPTH -.33 FT TP (Ib/yr): -,93 (88% REDUCTION) bioinfiltration areas can be vegetated with turf grass (or use <br />SIDE SLOPE AVERAGE- 15°k a no-mow fescue blend) or be planted predominately with <br />PRETREATMENT BASIN AREA - 27 SOFT (TURF GRASS) a native plant palette suitable for both drought and shallow <br />OVERFLOW - 6 FT WIDE (REINFORCED) ponding conditions. The pretreatment area should only be <br />EXCAVATED DEPTH -.S FT planted with turf grass to allow easier removal of sediment <br />SOIL AMENDM ENTS - .17 FT (COMPOST) buildup. <br />r <br />0 20 40 Feet <br />PROPERTY LINE <br />-;cx <br />CURB -CUT BIOINFILTRATION AREA: <br />CONCEPT DESIGN <br />Client: Sherburne SWCD /Elk River <br />Chamber of Commerce <br />509 US Highway 10 NW <br />Elk River, MN <br />District: Sherburne County Soil and Water <br />Conservation District <br />Date: 12.30.11 <br />Designer: Sherburne County SWCD in <br />association with the Metro <br />Conservation Districts <br />Sheetlof2 <br />