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PLAYGROUNDLAWN BOWLINGCOURTYARDCOURTYARDDOG RUNEXISTING STORMWATERMANAGEMENT AREASNELLING AVE./COUNTY RD. E RAMPP R I V A T E D R I V EWET DETENTION BASINASSISTED LIVING113 UNITS33 MEMORY CARE UNITSST-10STMH 60" DIA.RE:926.53IE:917.61 NEIE:918.61 NEIE:917.51 WST-15CBMH 48" DIA.RE:925.82IE:922.20 SWST-12CBMH 48" DIA.RE:925.67IE:919.77 NIE:920.77 NWIE:919.67 SWST-11CBMH 48" DIA.RE:925.33IE:918.86 NEIE:918.76 SWST-17CBMH 48" DIA. (CIR.)RE:919.00IE:916.50 EIE:916.50 SWST-8CBMH 48" DIA.& TRENCH DRAINRE:917.47IE:915.46 SEST-9CONC. FES 24"IE:916.50 EST-1CONC. FES 24"IE:916.50 NST-18CONC. FES 18"IE:916.10 NEST-19CONC. FES 18"W/ TRASH RACKIE:916.50 W4 LF - 12"@ 1.00%28 LF - 18" RCP@ 1.41%7 LF - 18" RCP@ 0.00%ST-22CB 24" DIA.RE:927.08IE:923.00 EST-23CB 24" DIA.RE:927.62IE:922.62 WIE:922.52 EST-37CBMH 48" DIA.RE:926.54IE:921.61 NEIE:921.61 WIE:921.61 SST-25CB 24" DIA.RE:926.93IE:923.38 NEIE:923.28 SEST-24CB 24" DIA.RE:927.94IE:923.94 SWST-35CB 24" DIA.RE:928.50IE:922.41 NWIE:922.31 SEST-34CB 24" DIA.RE:928.50IE:924.00 SEST-29CB 24" DIA.RE:928.22IE:923.50 N6 LF - 12"@ 2.32%ST-30STRM CORE:928.35IE:923.37 SIE:923.27 NWST-31STRM CORE:928.41IE:922.62 SEIE:922.52 NST-28STRM CORE:927.65IE:920.64 EIE:920.64 SIE:920.54 NW33 LF - 12"@ 2.00%ST-27CB 24" DIA.RE:927.71IE:921.41 NEIE:921.31 W54 LF - 12"@ 2.00%ST-36CB 24" DIA.RE:928.35IE:922.59 EIE:922.49 SWST-26CB 24" DIA.RE:927.43IE:923.43 WST-20CBMH 48" DIA.RE:921.08IE:918.01 EIE:917.91 SW43 LF - 12"@ 6.16%ST-33CB 24" DIA.RE:924.59IE:920.76 EIE:920.66 WST-38BUILDING CONNECTION (IN)COORD W/MEPRE:916.65IE:915.42 NWEXISTING PROPERTY LINEEXISTING PROPERTY LINEPROPOSED 15" SANITARY SEWER20 LF - 12"@ 2.10%ST-42CBMH 48" DIA.RE:924.71IE:921.18 WST-41CB 24" DIA.RE:927.77IE:920.73 NWIE:920.63 SWWET DETENTION BASINTOP 920.50100 YEAR HWL 919.08TOP 920.50BOTTOM 909.50ST-7CBMH 48" DIA.RE:921.08IE:917.73 NEIE:917.73 SW55 LF - 14" x 23" ARCH@ 0.31%ST-5CBMH 48" DIA.RE:926.20IE:917.43 NEIE:918.43 SEIE:917.43 SW19 LF - 12"@ 10.86%ST-4STMH 60" DIA.RE:920.51IE:916.73 NEIE:916.73 SThis document, together with the concepts and designs presented herein, as an instrument of service, is intended only for the specific purpose and client for which it was prepared. Reuse of and improper reliance on this document without written authorization and adaptation by Kimley-Horn and Associates, Inc. shall be without liability to Kimley-Horn and Associates, Inc.SHEET NUMBER 2018 KIMLEY-HORN AND ASSOCIATES, INC.767 EUSTIS STREET, SUITE 100, ST. PAUL, MN 55114PHONE: 651-645-4197WWW.KIMLEY-HORN.COMK:\TWC_LDEV\Boldt\arden hills senior living\3 Design\CAD\plansheets\C5-STORM SEWER PLAN.dwg December 23, 2020 - 4:05pm©BYREVISIONSNo.DATEPRELIMINARY - NOT FOR CONSTRUCTIONPREPARED FORSTORM SEWERPLANC501ARDEN HILLS SENIORLIVINGNEW PERSPECTIVEARDEN HILLSMNNORTHGRADING PLAN NOTES1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE CITY OF ARDEN HILLS,SPECIFICATIONS AND BUILDING PERMIT REQUIREMENTS.2. CONTRACTOR TO CALL GOPHER STATE CALL ONE @ 1-800-252-1166 AT LEAST TWOWORKING DAYS PRIOR TO EXCAVATION/CONSTRUCTION FOR UTILITY LOCATIONS.3. STORM SEWER PIPE SHALL BE AS FOLLOWS:RCP PER ASTM C-76HDPE: 0" - 10" PER AASHTO M-252HDPE: 12" OR GREATER PER ASTM F-2306PVC SCH. 40 PER ASTM D-1785STORM SEWER FITTINGS SHALL BE AS FOLLOWS:RCP PER ASTM C-76, JOINTS PER ASTM C-361, C-990, AND C-443HDPE PER ASTM 3212PVC PER ASTM D-3034, JOINTS PER ASTM D-32124. CONTRACTOR TO FIELD VERIFY THE LOCATIONS AND ELEVATIONS OR EXISTINGUTILITIES AND TOPOGRAPHIC FEATURES PRIOR TO THE START OF SITE GRADING. THECONTRACTOR SHALL IMMEDIATELY NOTIFY THE PROJECT ENGINEER OF ANYDISCREPANCIES OR VARIATIONS.5. SUBGRADE EXCAVATION SHALL BE BACKFILLED IMMEDIATELY AFTER EXCAVATION TOHELP OFFSET ANY STABILITY PROBLEMS DUE TO WATER SEEPAGE OR STEEP SLOPES.WHEN PLACING NEW SURFACE MATERIAL ADJACENT TO EXISTING PAVEMENT, THEEXCAVATION SHALL BE BACKFILLED PROMPTLY TO AVOID UNDERMINING OF EXISTINGPAVEMENT.6. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL HORIZONTAL AND VERTICAL CONTROL.7. CONTRACTOR SHALL EXCAVATE DRAINAGE TRENCHES TO FOLLOW PROPOSED STORMSEWER ALIGNMENTS.8. GRADES SHOWN ARE FINISHED GRADES. CONTRACTOR SHALL ROUGH GRADE TOSUBGRADE ELEVATION AND LEAVE STREET READY FOR SUBBASE.9. ALL EXCESS MATERIAL, BITUMINOUS SURFACING, CONCRETE ITEMS, ANY ABANDONEDUTILITY ITEMS, AND OTHER UNSTABLE MATERIALS SHALL BECOME THE PROPERTY OFTHE CONTRACTOR AND SHALL BE DISPOSED OF OFF THE CONSTRUCTION SITE.10. REFER TO THE UTILITY PLAN FOR SANITARY SEWER MAIN, WATER MAIN SERVICELAYOUT AND ELEVATIONS AND CASTING / STRUCTURE NOTATION.11. CONTRACTOR IS RESPONSIBLE FOR CONSTRUCTION OF PAVEMENTS AND CURB ANDGUTTER WITH SMOOTH UNIFORM SLOPES TO PROVIDE POSITIVE DRAINAGE.12. INSTALL A MINIMUM OF 4" CLASS 5 AGGREGATE BASE UNDER CURB AND GUTTER ANDCONCRETE SIDEWALKS.13. UPON COMPLETION OF EXCAVATION AND FILLING, CONTRACTOR SHALL RESTORE ALLSTREETS AND DISTURBED AREAS ON SITE. ALL DISTURBED AREAS SHALL BERE-VEGETATED WITH A MINIMUM OF 4" OF TOPSOIL.14. ALL SPOT ELEVATIONS/CONTOURS ARE TO GUTTER / FLOW LINE UNLESS OTHERWISENOTED.15. GRADING FOR ALL SIDEWALKS AND ACCESSIBLE ROUTES INCLUDING CROSSINGDRIVEWAYS SHALL CONFORM TO CURRENT ADA STATE/NATIONAL STANDARDS. IN NOCASE SHALL ACCESSIBLE RAMP SLOPES EXCEED 1 VERTICAL TO 12 HORIZONTAL. IN NOCASE SHALL SIDEWALK CROSS SLOPES EXCEED 2% . IN NO CASE SHALL LONGITUDINALSIDEWALK SLOPES EXCEED 5%. IN NO CASE SHALL ACCESSIBLE PARKING STALLS ORAISLES EXCEED 2% (1.5% TARGET) IN ALL DIRECTIONS. SIDEWALK ACCESS TO EXTERNALBUILDING DOORS AND GATES SHALL BE ADA COMPLIANT. CONTRACTOR SHALL NOTIFYENGINEER IMMEDIATELY IF ADA CRITERIA CANNOT BE MET IN ANY LOCATION PRIOR TOPAVING. NO CONTRACTOR CHANGE ORDERS WILL BE ACCEPTED FOR A.D.A COMPLIANCEISSUES.16. MAINTAIN A MINIMUM OF 0.5% GUTTER SLOPE TOWARDS LOW POINTS.17. CONTRACTOR TO PROVIDE 3" INSULATION BY 5' WIDE CENTERED ON STORM PIPE IFLESS THAN 4' OF COVER IN PAVEMENT AREAS AND LESS THAN 3' OF COVER INLANDSCAPE AREAS.18. ROOF DRAIN INVERT CONNECTIONS AT THE BUILDING SHALL BE VERIFIED PER MEPPLANS.19. ALL STORM SEWER CONNECTIONS SHALL BE GASKETED AND WATER TIGHT INCLUDINGMANHOLE CONNECTIONS.20. ALL STORM SEWER PIPE SHALL BE AIR TESTED IN ACCORDANCE WITH THE CURRENTPLUMBING CODE.21. MAINTAIN A MINIMUM OF 1.25% SLOPE IN BITUMINOUS PAVEMENT AREAS, 0.5% SLOPE INCONCRETE PAVEMENT AREAS.22. CONTRACTOR SHALL REVIEW PAVEMENT GRADIENT AND CONSTRUCT "INFALL CURB"WHERE PAVEMENT DRAINS TOWARD GUTTER, AND "OUTFALL" CURB WHERE PAVEMENTDRAINS AWAY FROM GUTTER.23. STORM SEWER PIPE, STRUCTURES, AND APPURTENANCES SHALL BE INSTALLED INACCORDANCE WITH CITY ENGINEERS ASSOCIATION OF MINNESOTA STANDARDSPECIFICATIONS, 2621, SANITARY AND STORM SEWER INSTALLATIONS, 2018 EDITIONAND LATEST EDITION OF THE MNDOT STANDARD SPECIFICATIONS FOR CONSTRUCTION.PROPOSED STORM MANHOLE (SOLID CASTING)PROPOSED STORM SEWERPROPOSED STORM MANHOLE (ROUND INLET CASTING)PROPOSED STORM SEWERPROPERTY LINELEGENDPROPOSED SANITARY SEWERPROPOSED WATERMAINCOPROPOSED STORM MANHOLE/ CATCH BASIN (CURB INLET CASTING)PROPOSED STORM SEWER CLENOUTPROPOSED RIPRAPPROPOSED FLARED END SECTIOND