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<=iS-'c'Z-3( <br />LONG LAKE IMPROVEMENT PROJECT <br />Desisn Characteristics <br />rniintv Road Vo. 6 Wet Detention Balin'Wetla^ <br />Total excavation <br />Normal water elevation (permanent pool) <br />Surface area at elevation 950.4. <br />Volume from elevation 940.4. to 950.4 <br />Average depth <br />Maximum depth <br />Shelve slope <br />Side slope <br />Residence time <br />Phosphorus removal rate <br />25,OCO cubic yards <br />950.4 <br />2.5 acres <br />15.2 acre-feet <br />6.1 feel <br />10.0 feet <br />6:1 <br />4:1 <br />/.^3 ^ ~ <br />w'<^ <br />s C;' <br />' • <br />2.6 days <br />1871 Ibs/vr (overall removal including reduction <br />^ M w • « « 9 V <br />Phosohorus removal efficiency <br />uostream at Deer Hill Road) <br />A <br />52 (overall removal including reduction <br />upstream at Deer HUl Road) <br />•nopr HiU Wpt Detpnfinn Basin/Wetland <br />Total excavation <br />Normal water elevation (permanent pool ) <br />Sunace area at elevation 964.5 <br />Volume from elevation 9’54.5 to 964.5 <br />Average depth <br />Maximum depth <br />Side slope <br />Reside.nce time <br />Phosphorus removal rate <br />Phosphorus removal efficiency <br />142.000 cubic yards <br />964.5 <br />6.1 acres <br />44.6 acre-feet <br />7.3 feet <br />10.0 feet <br />8:1 <br />16.9 days <br />1,538 Ibs/yr <br />61 fo <br />I