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This 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 2022 KIMLEY-HORN AND ASSOCIATES, INC.767 EUSTIS STREET, SUITE 100, ST. PAUL, MN 55114PHONE: 651-645-4197WWW.KIMLEY-HORN.COMK:\TWC_LDEV\LAUNCH PROPERTIES\ARDEN HILLS\3 Design\CAD\PlanSheets\C5-GRADING DETAILS.dwg June 01, 2022 - 5:28pmBYREVISIONSNo.DATEPRELIMINARY - NOT FOR CONSTRUCTIONPREPARED FORGRADING DETAILSC401LAUNCH RETAIL -ARDEN HILLSLAUNCHPROPERTIESARDEN HILLSMN(OCS-1) OUTLETCONTROL STRUCTURE18" OUTLET PIPEIE: 918.43END CAP PER MANUFACTURERTOP CHAMBER: 924.27TOP STONE : 925.27CHAMBER IE : 920.48SAND/DRAINTILE IE: 919.23CONNECT 6" DRAINTILE TOOCS ON DOWNSTREAM SIDEOF WEIR WALL, IE: 918.48TYPICAL SECTION - PRINSCO HYDROSTOR HS18024" DEPTH SAND SHALL MEET MNDOTSPECIFICATION FOR FINE FILTERAGGREGATE PER 3149.J.26" PVC SCHEDULE 40DRAINTILE, SEE DRAINTILEBEDDING DETAILPROVIDE GEOTEXTILE FABRIC AROUND PERIMETER OFSTONE AND SAND PER MANUFACTURER REQUIREMENTSPROVIDE GEOTEXTILE FABRICAROUND PERIMETER OF STONEAND SAND PER MANUFACTURERREQUIREMENTSSAND TO MEET MANUFACTURER RECOMMENDATIONS, NO LIMESTONE (ORRECYCLED CONCRETE) MATERIAL IS ALLOWED, BENEATH, BETWEEN ORIMMEDIATELY ON TOP OF THE CHAMBER SYSTEMPRECAST WEIRWALL, TOP WALLEL: 923.68WATER QUALITY VOLUME DEPTH IE: 923.68WQV PROVIDED BELOW 17,894 CF