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P E R K I N <br /> \\\\\ \ + W I L <br /> OVERRAN g,p, \ \ \\ \ \ \\ 84 10th St.South <br /> 2 4.5 n 87. D \ \\ \\\ \ \\\ _ T n 8 ° OVERRAN D7. 8.2. \ \\ \\\ \ \\\ <br /> OVERHANGf�48 - i"�-9605 N° e9-5 \ \\` \\ OVERHANGf s i _s 1 N�-9aa.5 \ \\� \\ Minneapolis,MN 55403 <br /> 200 <br /> _ Suite <br /> =959.5 <br /> WATER�P ^- OVERRAN / \ \ \\ \ \ \ t 612.851.5000 <br /> g OATEO 6A / / / / / \ _-lll \ \\\ \ \ 8 WATER MA/ \ f 612.851.5001 <br /> /N LAN 5 CONCR \ /"�Sfl{/N PLAN 5 CONC <br /> DATER 6-2- <br /> y ) / \ \ \ \ \ y ) \ \ \ \ \ www.perkinswill.com <br /> � w � ° w , CONSULTANTS <br /> OR <br /> CIVIL/STRUCTURAL <br /> jr <br /> cc <br /> GRASS / \ / GRAS / \\ BKBM <br /> /l GRASS /l <br /> °°I f 1109t�/MARK,-3 /I �` \\ I / / 3 I BE/ MARK/3 /I ` {f°n <br /> CONIC / `£ CONIC <br /> / ` �.✓ W'+ \\ ENGINEERS <br /> N <br /> INV-9]fi.J I � \\\ � \ / / // / / / ° INV 9]fi.JY-C <br /> I \ \\\ <br /> ° ° \ - J 5930 Brooklyn Boulevard <br /> Minneapolis, MN 55429-2518 <br /> _ ° I ( �_ - - <br /> W (763) 843-0420 F w7wbk4 - 421 <br /> G wo GRO - bm.com <br /> _24 � NI IO 66 <br /> MICHAUD COOLEY <br /> ERICKSON <br /> \ II _ <br /> L A N� \ ) ) � I I 333 SOUTH SEVENTH STREET,SUITE 1200 <br /> E <br /> ) MINNEAPOLIS,MN 55402 <br /> I elll _ _ <br /> o I � www.michaudcooley.com <br /> P:612.339.4941 <br /> // / 96 <br /> III \ / � � �✓ \ \ I I � \ \ � / � / i III \ � ��_� I C-e <br /> PU D <br /> �\f/j1 \\I-21 \ \\\\\ \ • � / / / / J <br /> \ W67LANdYEAGS� ° / / / I � \ VI67LANdFlAGS ° \\ \ � `,.:_ I \ \ <br /> � ��° I � � - ° ° \ \ I \ \ _ I APPLICATION <br /> � �. \ \ -N \ \ - \ \ �- MAY 0232016 <br /> %W E AND ` � W \ \\ \ \\ \\ \ \ C \\ \ / 1\,'\. \.\ <br /> W E A N 0 <br /> 1 I I 1 ��, <br /> � I la III 1 I I � � \ �. � � e � � \ <br /> II IIIII \ \ I C <br /> NOT FOR <br /> CONSTRUCTION <br /> MANHOLE ON 1\ 9 MANHOLE ON 1\ 9 <br /> CONCRETE \\\ \ \\ \\ CONCRETE \\ LAND O'LAKES <br /> SKIMMER °yl-I)/ � I \\\\\\\ \ \ \�\ \ \ ✓ � l\ \ \ \ # ° � SKIMMER °yl-I]/ � \ \ \\ � `/ <br /> HEADQUARTERS <br /> L A N D - =9i.a \\\ \ '4S \ �� B T U M I N ° \ A i L A N D ` �cuur \\\ / U N I N <br /> Tar=9 3 \\ \\ \\\\ �� �J \\ \ O U g _sax.a SET \\ \ SITU <br /> I T D U 5 <br /> \_ \\ 9• \\� \ \ \\ \ -.9�- _ \R5480 \\� � \ CONSOLIDATION <br /> G R A 5 S \ \ \ -�^' & \ \ X N \ ��\\ \ GRASS \ \ \ 9 \ \ <br /> 4 <br /> 5 FT CHAIN LINK FENCE ��G+ ° FT� \ 5 FT CHAIN LINK FENCE e/� ° <br /> C S <br /> FOLNJO//2" <br /> \ _ \ \_� _ � / F0N ,,2" <br /> s s OPEN IRON \ \\ \ \ \ `S• s s OPEN N <br /> yt 5 dal \\ \\\ � 09) <br /> < <br /> S83°26' „w 4�22 e X��X� S'�-,S,No iS�88 \ \\\\ S83°26' w 4\22 <br /> 1 EXISTING CONDITIONS - PHASE ONE 40' 20' 0 'W80' 2 PROPOSED CONDITIONS - PHASE ONE LAND O'LAKES <br /> C05-01 C05-01 <br /> 4001 Lexington Ave N. <br /> SCALE 1n = 40' Arden Hills, MN 55126 <br /> EXISTING DRAINAGE AREAS PROPOSED DRAINAGE AREAS KEYPLAN <br /> Q OUT (CFS) STORM EVENT Q OUT (CFS) STORM EVENT <br /> IMPERVIOUS AREA PERVIOUS AREA TOTAL AREA IMPERVIOUS AREA PERVIOUS AREA TOTAL AREA <br /> DRAINAGE AREA 2-YEAR 10-YEAR 100-YEAR DRAINAGE AREA 2-YEAR 10-YEAR 100-YEAR <br /> (ACRES) (ACRES) (ACRES) (2.81") (4.20") (7.32") ROUTING <br /> (ACRES) (ACRES) (ACRES) (2.81") (4.20 (7.32") ROUTING <br /> 1 0.38 1.55 1.93 2.31 4.63 9.73 SHEET FLOW WEST TO WETLAND 1 2.43 0.50 2.93 - - - SHEET FLOW TO SOUTH FILTRATION BASIN <br /> 2 0.00 0.43 0.43 0.42 1.03 2.40 SHEET FLOW NORTHEAST TO POND 2 0.00 0.13 0.13 0.16 0.39 0.89 SHEET FLOW NORTHEAST TO POND <br /> 3 1 0.26 0.92 1.18 2.03 1 3.98 1 8.15 SHEET FLOW SOUTH TO MN/DOT ROW 3 0.00 0.31 0.31 0.40 0.95 2.16 SHEET FLOW SOUTH TO MN/DOT ROW <br /> TOTAL 1 0.64 2.90 3.54 4.76 1 9.64 1 20.28 4 0.00 0.17 0.17 0.21 0.49 1.13 SHEET FLOW WEST TO WETLAND <br /> SOUTH FILTRATION TANKS - - - 0.19 2.68 7.98 TO WETLAND VIA ONSITE STORM SEWER <br /> TOTAL 2.43 1.11 3.54 0.96 4.51 12.16 <br /> ISSUE CHART <br /> IMARKI ISSUE DATE <br /> STORMWATER RUNOFF SUMMARY <br /> 2-YR STORM (2.81") 10-YR STORM (4.20") 100-YR STORM (7.32") <br /> RUNOFF (CFS) RUNOFF (CFS) RUNOFF (CFS) <br /> EXISTING SITE 4.76 9.64 20.28 <br /> 20% REDUCTION FROM EXISTING 3.81 7.71 16.22 I hereby certify that this plan, specification <br /> PROPOSED SITE 0.96 4.51 12.16 or report was prepared by me or under <br /> my direct supervision and that I am a duly <br /> Licensed Professional Engineer under the <br /> laws of the state of Minnesota. <br /> KEVIN A.BOHL <br /> Date 05-02-2016 Lic.No. 52209 <br /> Job Number 15401 <br /> Drawn WH-NA <br /> ABBREVIATIONS Checked TJC <br /> BLDG Building Approved KAB <br /> BMP Best Management Practice MINIMUM ESTIMATED QUANTITIES FOR <br /> BW Bottom of Wall EROSION CONTROL - PHASE ONE <br /> CB Catch Basin ITEM DESCRIPTION ESTIMATED STORM WATER <br /> CONIC Concrete QUANTITY POLLUTION <br /> ELEV Elevation DRAINAGE STRUCT. INLET FILTER 1 EACH <br /> EX Existing ROCK CONSTRUCTION ENTRANCE 1 EACH PREVENTION PLAN <br /> INV Invert CONCRETE WASHOUT 1 EACH <br /> MAX Maximum SILT FENCE 1750 LF PHASE ONE <br /> MH Manhole EROSION CONTROL BLANKET 2856 SY <br /> MIN Minimum EROSION CONTROL MAT 0 SY <br /> MPCA Minnesota Pollution Control <br /> Agency <br /> NPDES National Pollutant Discharge <br /> Elimination System <br /> PVC Polyvinyl Chloride NOTE: QUANTITEIS SHOWN ARE THE MINIMUM RCP Reinforced Concrete Pipe REQUIRED, ADDITIONAL QUANTITIES MAY BE NEEDED IF <br /> TW Top of Wall REQUIRED BY THE MPCA, WATERSHED DISTRICT, OR C05=01 <br /> W.O. Washout CITY. CONTRACTOR IS RESPONSIBLE FOR FINAL <br /> DETERMINATION OF QUANTITIES PRIOR TO <br /> CONSTRUCTION. <br /> Copyright©2014 Perkins+Will <br />