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SEDIMENT TRAP 25,040 CF - 4.0' DEEPSEDIMENT TRAP 19,900 CF - 4.0' DEEPSEDIMENT TRAP 4720 CF - 2.0' DEEPSEDIMENT TRAP 3792 CF - 2.0' DEEPEWETLAND TO BEIMPACTED/ FILLEDWETLAND TOREMAINEEEEFFFBBCCDAAAAASNELLING AVE./COUNTY RD. E RAMPPRIVATE DRIVEPROPOSEDPROPERTYLINEPROPOSED PROPERTY LINEEXISTING PROPERTY LINEEXISTING PROPERTY LINEThis 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\C3-EROS PH1 PLAN.dwg December 23, 2020 - 4:00pmBYREVISIONSNo.DATEPRELIMINARY - NOT FOR CONSTRUCTIONPREPARED FOREROSION ANDSEDIMENTCONTROL PLAN -PHASE 1C300ARDEN HILLSSENIOR LIVINGNEWPERSPECTIVEARDEN HILLSMNNORTHEROSION CONTROL PLAN NOTES1. ALL PERIMETER SILT FENCE AND ROCK CONSTRUCTION ENTRANCES SHALL BEINSTALLED PRIOR TO CONSTRUCTION.2. THE CONTRACTOR SHALL CONSTRUCT DRAINAGE BASINS PRIOR TO SITE GRADING.3. THE CONTRACTOR SHALL INSTALL CATCH BASIN EROSION CONTROL MEASURES.4. WITHIN ONE WEEK (7 DAYS) OF SITE GRADING, ALL DISTURBED AREAS SHALL BESTABILIZED WITH SEED, SOD, OR ROCK BASE. REFER TO LANDSCAPE PLANS FORMATERIALS.5. ALL EROSION CONTROL MEASURES SHALL BE INSTALLED AND MAINTAINED INACCORDANCE WITH CITY, STATE, AND WATERSHED DISTRICT PERMITS.6. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES, INCLUDINGTHE REMOVAL OF SILT IN FRONT OF SILT FENCES DURING THE DURATION OF THECONSTRUCTION.7. ANY EXCESS SEDIMENT IN PROPOSED BASINS SHALL BE REMOVED BY THECONTRACTOR.8. REMOVAL ALL EROSION CONTROL MEASURES AFTER VEGETATION IS ESTABLISHED.9. THE CONTRACTOR SHALL REMOVE ALL SOILS AND SEDIMENT TRACKED ONTOEXISTING STREETS AND PAVED AREAS AND SHALL SWEEP ADJACENT STREETS ASNECESSARY IN ACCORDANCE WITH CITY REQUIREMENTS.10. IF BLOWING DUST BECOMES A NUISANCE, THE CONTRACTOR SHALL APPLY WATERFROM A TANK TRUCK TO ALL CONSTRUCTION AREAS.UPON IMPLEMENTATION AND INSTALLATION OF THE FOLLOWING AREAS: TRAILER,PARKING, LAYDOWN, PORTA-POTTY, WHEEL WASH, CONCRETE WASHOUT, FUELAND MATERIAL STORAGE CONTAINERS, SOLID WASTE CONTAINERS, ETC.,IMMEDIATELY DENOTE THEM ON THE SITE MAPS AND NOTE ANY CHANGES INLOCATION AS THEY OCCUR THROUGHOUT THE CONSTRUCTION PROCESS.BMP AND EROSION CONTROL INSTALLATION SEQUENCE SHALL BE AS FOLLOWS:1. INSTALL INLET PROTECTION AT EXISTING STORMWATER CULVERTS.2. CONSTRUCT STABILIZED CONSTRUCTION ENTRANCE (1), CONCRETE WASHOUTPIT (1) AND INSTALL SILT FENCE.3. PREPARE TEMPORARY PARKING AND STORAGE AREA.4. CONSTRUCT AND STABILIZE DIVERSIONS AND TEMPORARY SEDIMENT TRAPS.5. PERFORM CLEARING AND GRUBBING OF THE SITE. PERFORM MASS GRADING.ROUGH GRADE TO ESTABLISH PROPOSED DRAINAGE PATTERNS.6. START CONSTRUCTION OF THE BUILDING PAD AND STRUCTURES.7. TEMPORARILY SEED WITH PURE LIVE SEED, THROUGHOUT CONSTRUCTION,DISTURBED AREAS THAT WILL BE INACTIVE FOR 14 DAYS OR MORE OR ASREQUIRED BY NPDES AND/OR CITY OF ARDEN HILLS GRADING PERMIT.SEQUENCE OF CONSTRUCTION:ROCK ENTRANCEINLET PROTECTIONSILT FENCELIMITS OF DISTURBANCESAFETY FENCEBIOROLLLEGENDKEYNOTE LEGENDLIMITS OF DISTURBANCEINLET PROTECTIONSILT FENCECONSTRUCTION ENTRANCEDIVERSION DITCHSAFETY FENCEABCDEFDRAINAGE DELINEATIONDIVERSION DITCHTEMPORARY SEDIMENT TRAPDRAINAGE AREA AND SEDIMENTTRAP TABLETRIBUTARYDRAINAGEAREASEDIMENTBASINVOLUMESEDIMENT BASIN 1 2.75 AC9,900 CFSEDIMENT BASIN 2 1.40 AC5,040 CFSEDIMENT BASIN 3 0.22 AC 792 CFSEDIMENT BASIN 4 0.20 AC 720 CFLIMITS OF DISTURBANCE 5.59 ACTOTAL SITE AREA 6.67 ACPRE-DEVELOPMENT PERVIOUS AREA 6.51 ACPRE-DEVELOPMENT IMPERVIOUS AREA 0.16 ACPOST-DEVELOPMENT PERVIOUS AREA 3.30 ACPOST-DEVELOPMENT IMPERVIOUS AREA 3.37 ACPH. I BMP QUANTITIESBMPUNITQUANTITYCONSTRUCTIONENTRANCEEA. 1INLET PROTECTION EA 2SILT FENCE LF±3,000CONSTRUCTION FENCE LF±2,300DELINEATED WETLAND