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Concept Stormwater Management Plan <br />EENARN..Rh2 CASTING CR <br />APPROVCO EOL'AL. UNLESS <br />'EWSE NOTED. <br />L-----� <br />_ a.. j ". . � \— — � --- � e �, °•-„ — � ems' ' \ G <br />DL <br />µ ACCESS FOR hWNTENANCE <br />1 NLET ANC CUTIEi PIPES =_ } SHALL BE PROVIDED TO BOTH <br />SIDES OF 7HF NBE, <br />5ij910 <br />PONCL0.T <br />� Sof WEIR ELyRn <br />UPON <br />CN�sVARDEPENDING /N, DESIGN PARAMETERS. <br />RERECED <br />I lA 'VS( }1� �.gBpJ t)T /o� - --ti_ �°.���� ` �\ �ONINFORCRETE PIPE NO <br />B Cl O 839 p S <br />+ } \ T Flow <br />UJ P u P Q fp / 9\ / / WEIR TO eE pEwNRCEC AUH n <br />° �\ PIPE LENGTH AND SIZE WILL LE61 04 FEERAR. I2' ON CENTE <br />.In.x ,�`'. 960 ~tl CI « 4 VARY. REINFORCED CONCREFE OR <br />rl ,_.[, DUMLE IRON PIPES CAN RE STEPS <br />! II �z - ° 9 ` USED FCR THE INLETS DONT <br />- R W •R aaTO� ^ }.°\y �'M TF f / IF <br />PIPES ARE JI APRONS uR TRASH GUARWATER D. <br />I U .✓ YJ N '�/ 9H0 yW �' G ® \1 A. I « _ •� p� \ \ �/ / FLUW ''in USE MINFORCE FOR <br />f P d/ °.� '� O Ey0 • a /� Yi <br />OUTLETS, <br />r,� /'1 <br />Qp9tl –i/rY /WIN <br />W«\ \ 000HOUSn SHALL BE ORD <br />ON– I r P r is '�� I/•G':M y 1 +6IS / °siRuHruINSIDE AND oursmE OF THE <br />TYPICAL OCS SKIMMER STRUCTURE <br />C2 NOT TOscAI� <br />.40 \� <br />I�♦ /.a� 1 1 xN� <br />I�.a <br />Vk <br />glop m/ <br />° <br />00 0 <br />I\ a aP P«p + « <br />of y <br />I Ierg <br />.119 a <br />� 0-0 Cr� — <br />I L CICS I�i� s o % TpEaTAREAT:P.«/ e <br />I <br />I / � <br />\\. <br />STORMWATER MANAGEMENT REQUIREMENTS <br />A. PHOSPHORUS CONTROL -SITE SHALL TREAT <br />STORM RUNOFF SO NO NET INCREASE IN <br />PHOSPHOROUS LOADING SHALL LEAVE SITE. <br />B. WATER QUALITY - SITE SHALL TREAT FIRST 1" OF <br />RUNOFF FROM IMPERVIOUS SURFACES <br />C, RATE CONTROL - PEAK RUNOFF RATES FROM THE <br />1-, 10- AND 100 -YEAR STORM MAY NOT INCREASE <br />FROM EXISTING RATES <br />POTENTIAL IMPROVEMENTS <br />(IN COOPERATION WITH THE MINNEHAHA CREEK <br />WATERSHED DISTRICT) <br />A. PROVIDE AN OPPORTUNITY TO <br />RESTORE/ENHANCE EXISTING WETLANDS <br />B. PROVIDE ADDITIONAL RUNOFF TREATMENT <br />THROUGH PONDING AND/OR INFILTRATION <br />C. MITIGATE EXISTING DRAINAGE CONCERNS TO <br />ADJACENT PROPERTIES - REDIRECT RUNOFF <br />D. REDUCE TURF GRASS AREA THROUGH CREATION <br />OF DEDICATED CONSERVATION AREAS ON <br />RESIDENTIAL LOTS <br />LEGEND <br />005® PROPOSED OUTLET CONTROL <br />STRUCTURES (x2) <br />PROPOSED TREATMENT AREAS (x5) <br />SUB -WATERSHED BOUNDARIES <br />----I".`+ DRAINAGE DIRECTION <br />N <br />0 200 400 <br />SCALE IN FEET <br />Item #01- Special Council Meeting - 01/06/14 <br />File #13-3638 & 13-363LLL64aloLaes 99 <br />Al2W <br />ENGINEERING <br />SURVEYING <br />ENVIRONMENTAL <br />PLANNING <br />EVSINC. <br />9266 V911ay Vie <br />1w Raad, 8.11; 123 <br />Eden Prairie MI—.19 56344 <br />Phone: 952.645-0230 <br />Fax: 952.646.0290 <br />wwwsvR-eng,eom <br />CLIENT <br />Source Land Capital <br />PROJECT <br />Lakeview Golf Course <br />LOCATION <br />Orono, MN <br />LAND PLANNING AND <br />SITE DESIGN <br />Michael J. Gair <br />ASLA, Emeritus <br />SHEET <br />Concept <br />Stormwater <br />Management Plan <br />it DATE REVISION <br />113EREBYCERTIFY HATTHIS <br />PLAN, sPEcrFIcATroN, OR <br />REPORT WASPREPARED 13YME <br />OR UNDER MY DIRPCT <br />SUPERVISION AND THAT I ANI A <br />DULYLICENSAI] PROFESSIONAL <br />ENGINEER UNDER THE LAWS OF <br />THE. STATIi OP MINNESOTA. <br />D -Id Nash <br />DATE 12113i 2013 <br />REGISTRATION NUMBER 21636 <br />DRAWN BY <br />CHECKED BY <br />MJGlDMS <br />DJN <br />DA'M <br />PROJECT# <br />12A8.2093 <br />2013-098.1 <br />ST-TEET NUMBPE, <br />C2 <br />