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914918920924922920906904902900910910914920922924922914912910916918920922928922922920 918918918926922920916914912914916914912912912914912914916914916 <br />918 <br />920 <br />922912924926 <br />9 <br />2 <br />6 <br />92 <br />8 <br />9 <br />3 <br />0 920920922924916918920918910898 900898900910 <br />9009109309209109129008989169189249268 <br />9 <br />8 <br />908 9069 <br />0 <br />4 <br />925920910900915905920915910905900920915915920RIP-RAP @ OUTLETSILT FENCEAROUND INLETRIP-RAP @ OUTLETINLET PROTECTION (TYP.)SILT FENCE (TYP.)SILT FENCE (TYP.)SILT FENCE (TYP.)915920915910910920920ROCK CONSTRUCTIONENTRANCE927926926927926.57 G927.03 B925.75 B925.57 B927.18 B927.00 B919.35 TC918.85 GL919.03 TC918.53 RIM925.06 TC924.56 GL925.42 TC924.92 GL917.50 TC917.00 RIM918.00 TC917.50 GL919.08 TC918.58 GL918.88 TC918.58 GL929.42 B919.49 TC918.78 GL920.39 TC919.89 GL919.05 GL/TC919.25 GL/TC918.73 GL/TC918.93 GL/TC917.65 TC917.15 GL917.95 TC (EOF)917.65 GL920.37 TC919.87 GL920.73 TC920.23 GL926.85 B924923922921919918918919 918916914912908906904902898917913911909907903901899922921919918917916914913912911909908907906904903902901899898919918917916916917918919921922MAINTAIN EXISTINGCROSS SLOPE (≈ 2.00%)MAINTAIN EXISTINGCROSS SLOPE (≈ 2.00%)MAINTAIN EXISTINGCROSS SLOPE (≈ 2.00%)916917918919921922914913912911909908914913912911909921919919921INFILTRATION BASIN #3 (10P)OVER EXCAVATE BASIN BOTTOMTO 907.00 AND REMOVE ANY POORSOILS BACKFILL WITH CLEAN SAND100-YEAR HWL: 917.85OUTLET: 916.50BTM: 915.00MATCH LINE - SEE SHEET C301MATCH LINE - SEE SHEET C303MATCH LINE - SEE SHEET C303 <br />MATCH LINE - SEE SHEET C304 <br />P:\Projects\Projects - 2023\12236128 - New Stillwater Elementary School - Wold\C. Design\Drawing Files\12236128 - C300 Grading & Erosion Control Plan.dwg <br /> 08-23-2024 PRELIMINARYPLAT SUBMITTALRevisionsDescriptionDateNumNorthCheck:Drawn:Date:Comm:MTH08-23-2024122361283524 Labore RoadWhite Bear Lake, MN 55110651.481.9120 (f) 651.481.9201www.larsonengr.comC 2024 Larson Engineering, Inc. All rights reserved.3524 Labore RoadWhite Bear Lake, MN 55110651.481.9120 (f) 651.481.9201www.larsonengr.comLarsonEngineering, Inc.Greg A. Buchal, P.E.Date: Lic. No.:08.23.202423793I hereby certify that this plan, specifications or reportwas prepared by me or under my direct supervisionand that I am a duly licensed Professional Engineerunder the laws of the state of Minnesota.0NORTH204080INDEPENDENT SCHOOLDISTRICT #834New Lake ElmoElementary School1875 Greeley St S, Stillwater, MN55082Corner of 10th Streen North andLake Elmo Avenue NorthLake Elmo MN 55042AFEDCBA12345678MNSOUTHWEST:GRADING ANDEROSIONCONTROLPLANC3031.Tree protection consisting of snow fence or safety fence installed at thedrip line shall be in place prior to beginning any grading or demolition workat the site.2.All elevations with an asterisk (*) shall be field verified. If elevations varysignificantly, notify the Engineer for further instructions.3.Grades shown in paved areas represent finish elevation.4.All construction shall be performed in accordance with state and localstandard specifications for construction.5.Permittees must not excavate infiltration systems to final grade, or withinthree (3) feet of final grade, until the contributing drainage area has beenconstructed and fully stabilized unless they provide rigorous erosionprevention and sediment controls (e.g., diversion berms) to keep sedimentand runoff completely away from the infiltration area.GRADING NOTESSYMBOL LEGENDSYMBOL LEGENDPROPOSED CONTOURS - MAJOR INTERVALGRADE BREAK LINEPROPOSED CONTOURS - MINOR INTERVAL949950950EXISTING CONTOURS2.0%950.00 TC949.50 GLGRADE SLOPESPOT ABBREVIATIONS:TC - TOP OF CURBGL - GUTTER LINEB - BITUMUNOUSC - CONCRETEG - GRADEEOF - EMERGENCY OVERFLOWOF - OVERFLOWTW - TOP OF WALLBW - BOTTOM OF WALL (F/G)AG - AGLIME(*) - EXISTING TO BE VERIFIEDEASEMENT LINEPROPERTY LINERIGHT OF WAY LINERIP-RAP / ROCK CONST. ENTRANCESEE DETAIL X/CX00 OR X/CX00 OR X/CX00INLET PROTECTION, SEE DETAIL X/CX00SEDIMENT LOG, SEE DETAIL X/CX00SEDIMENT LOG, SEE DETAIL X/CX001.See sheet C300 for City of Lake Elmo Grading and Erosion StandardPlan notes.CITY NOTESBENCHMARKELEVATIONS BASED ON INFORMATION ASSHOWN ON THE TKDA WATERMAIN PLANS -SHEET C502 DATED 4/15/2014. TOP NUTHYDRANT 400 ' N. OF 10TH STREET.ELEVATION = 939.37