Wetland Alteration Update 9-27-21HAWKCREST COURT HAWKCREST CIRCLEEAGLE RIDGE ROADINFILTRATION BASIN 2WETLAND 2EAGLE RIDGE WAY EAGLE RIDGE ROADT.H 101PROJECTLOCATIONWETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATIONCHANHASSEN, MINNESOTASUITE 700ALLIANT ENGINEERING, INC.733 MARQUETTE AVENUEMINNEAPOLIS, MN 55402CONSULTANT SURVEYOR ENGINEER PETER GOERSLICENSE NO. 44110MARK RAUSCHLICENSE NO. 43480LANDSCAPE ARCHITECTEM: mrausch@alliant-inc.comEM: pgoers@alliant-inc.comMARK KRONBECKLICENSE NO. 26222EM: mkronbeck@alliant-inc.comDEVELOPER SUITE 3000BLACK CHERRY DEVELOPMENT, LLC14500 MARTIN DRIVE,EDEN PRAIRIE, MN 55344CONTACT: TIM ERHARTCONTACT: DAN BLAKEVICINITY MAPNOT TO SCALEERHART WETLAND ALTERATION
COVER1SHEET INDEX NO.COVER SHEET1EXISTING CONDITIONS2SITE PLAN3WETLAND EXCAVATION/GRADING PLAN4SPOIL PILE/GRADING PLAN5EROSION AND SEDIMENT CONTROL PLAN6EROSION AND SEDIMENT CONTROL NOTES AND DETAILS7RESTORATION PLAN8WETLAND SCIENTISTADAM CAMERONKJOLHAUG ENVIRONMENTALEM: adam@kjolhaugenv.comSERVICES COMPANYWETLAND MANAGEMENT PLAN9
1413122987653211119876BLOCK 55OUTLOT COUTLOT DOUTLOT EOUTLOT EOUTLOT CBLOCK 3BLOCK 4HAWKCREST COURT HAWKCREST CIRCLE4BLOCK 2BLOCK 512EAGLE RIDGE ROADINFILTRATION BASIN 2FL / FW / LW / LW / LW/LWW L / FSW / F W / LL / WWWW LLWWWWINFILTRATION BASIN 2BOTTOM EL 891TOP EL 891.24 HWL 895.99 HWL 918.69(GREAT PLAINS BLVD.)STATE TRUNK HWY. NO. 101WETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATION
EXISTING CONDITIONS2EXISTING CONDITIONS LEGEND:
1512141316181229876532111198746BLOCK 55OUTLOT COUTLOT DOUTLOT EOUTLOT EOUTLOT CBLOCK 3BLOCK 4HAWKCREST COURT HAWKCREST CIRCLE4BLOCK 2BLOCK 1BLOCK 512OUTLOT FEAGLE RIDGE ROAD
WETLAND 3WETLAND 2WETLAND 1HWL 904.6611032456789BLOCK 1OUTLOT A WETLAND 411121314OUTLOT BOUTLOT EOUTLOT BOUTLOT BB
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EAGLE RIDGE WAY EAGLE RIDGE ROADEAGLE RIDGE ROAD EAGLE RIDGE ROAD
EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.04UNDELINEATED WATERBODYEX HWL 897.29PR HWL 897.30FUTURE BLOCK 2 LOTSFUTURE DEVELOPMENT(GHOST PLAT)GREAT PLAINS BLVD. (TH-101)12OUTLOT ABLOCK 1WETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700SITE LEGEND: ERHART WETLAND ALTERATION
SITE PLAN3 SITE DATA:
232111198OUTLOT DOUTLOT EOUTLOT EBLOCK 4BLOCK 512EAGLE RIDGE ROADINFILTRATION BASIN 2INFILTRATION BASIN 2BOTTOM EL 891TOP EL 891.24 HWL 895.9913245BLOCK 1OUTLOT BFILTRATION BASIN 2HWL 882.03WETLAND 2CLASSIFICATION ASSUMED:MANAGE 2 - CITY, MEDIUM - RPBCWDBUFFER REQUIREMENTS:20' MIN.,40' AVG., 80' MAX - RPBCWD20' MIN. + 30' SBK - CITYWETLAND 4OUTLOT ABLOCK 1WETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700GRADING NOTES: GRADING LEGEND: ERHART WETLAND ALTERATION
WETLAND EXCAVATION/GRADING PLAN4TYPICAL GRADING CROSS SECTIONB'-B'ESTIMATED EARTHWORK: NATURAL WETLAND OUTLET CROSS SECTIONC'-C'
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D FILTRATION BASIN 3HWL 906.08FUTURE BLOCK 2 LOTSFUTURE DEVELOPMENT(GHOST PLAT)WETLAND 3CLASSIFICATION ASSUMED:MANAGE 2 - CITY, MEDIUM - RPBCWDBUFFER REQUIREMENTS:20' MIN.,40' AVG., 80' MAX - RPBCWD20' MIN. + 30' SBK - CITYWETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATION
SPOIL PILE GRADING PLAN5GRADING LEGEND:
BLOCK 3BLOCK 4HAWKCREST COURT HAWKCREST CIRCLEBLOCK 2BLOCK 5EAGLE RIDGE ROAD
WETLAND 3WETLAND 2WETLAND 1HWL 904.66WETLAND 4EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.04WATERTOWERLOCATION AUNDELINEATED WATERBODYEX HWL 897.29PR HWL 897.30GREAT PLAINS BLVD. (TH-101)DISCHARGE POINT TO LAKERILEY VIA WETLAND(LAKE RILEY IS AN IMPAIRED WATERSWITHIN 1 MILE)WETLAND 2MANAGE 1 - CITY, MEDIUM - RPBCWDBUFFER REQUIREMENTS:20' MIN.,40' AVG., 80' MAX - RPBCWD25' MIN. + 30' SBK - CITYWETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATION
EROSION AND SEDIMENT CONTROL PLAN6NOTE TO CONTRACTOR: ACTIVE SWPPP LEGENDVICINITY MAPNOT TO SCALENOTE: INSPECTOR:DURING CONSTRUCTION:EROSION CONTROL PARTIESIMPAIRED WATER REQUIREMENTLEGEND: DNDNOTES: DESIGNER:INSTALLER:
ROCK CONSTRUCTION ENTRANCEWASHED ROCK ORWOOD/MULCH PERSPECIFICATIONS18" MINIMUM CUT OFF BERM TOMINIMIZE RUNOFF FROM SITENOTES:1. MnDOT 3733 TYPE 4 FILTER FABRIC SHALL BE PLACED UNDER ROCK OR MULCH TOSTOP MUD MIGRATION THROUGH MATERIAL.2. FUGITIVE ROCK OR MULCH WILL BE REMOVED FROM ADJACENT ROADWAYS DAILY OR MORE FREQUENTLY AS NECESSARY.3.CONSTRUCTION ENTRANCE MUST BE CONSTRUCTED PRIOR TO THECOMMENCEMENT OF GRADING OPERATIONS ON THE SITE.4.THE ENTRANCE MUST BE MAINTAINED IN PROPER CONDITION TO PREVENTTRACKING OF MUD OFF THE SITE. THIS MAY REQUIRE PERIODIC TOPDRESSINGWITH ADDITIONAL ROCK, WOOD/MULCH, OR REMOVAL AND REINSTALLATION OFTHE PAD.5.THIS ENTRANCE WILL BE USED BY ALL VEHICLES ENTERING OR LEAVING THEPROJECT.6.THE CONSTRUCTION ENTRANCE WILL BE REMOVED PRIOR TO THE PLACEMENT OFBITUMINOUS SURFACING.PUBLIC ROAD50' MINIMUM LENGTHROCK-6" MINIMUM DEPTHWOOD/MULCH- 12" MINIMUM DEPTH20'
MINIMUM
WIDTHNOTE:ALL SLOPES WITH A GRADE EQUAL TO OR STEEPER THAN 3:1REQUIRE SLOPE TRACKING. SLOPES WITH A GRADE MORE GRADUALTHAN 3:1 REQUIRE SLOPE TRACKING IF THE STABILIZATION METHODIS EROSION CONTROL BLANKET OR HYDROMULCH.UNDISTURBED VEGETATIONTRACKED EQUIPMENTTREADS CREATE GROOVESPERPENDICULAR TO SLOPEDIRECTION.SLOPESLOPE TRACKINGEROSION CONTROL BLANKETINSTALLATIONOVERLAPLONGITUDINAL JOINTSMINIMUM OF 6"OVERLAP END JOINTSMINIMUM OF 6" AND STAPLEOVERLAP AT 1.5' INTERVALS.ANCHOR TRENCH(SEE DETAIL AND NOTES BELOW)ANCHOR TRENCH1. DIG 6" X 6" TRENCH2. LAY BLANKET IN TRENCH3. STAPLE AT 1.5' INTERVALS4. BACKFILL WITH NATURAL SOIL AND COMPACT5. BLANKET LENGTH SHALL NOT EXCEED 100'WITHOUT AN ANCHOR TRENCH6"6"1' TO 3'DIRECTION OFSURFACE FLOWNOTE:SLOPE SURFACE SHALL BE FREE OF ROCKS, SOIL CLUMPS,STICKS, VEHICLE IMPRINTS, AND GRASS. BLANKETS SHALLHAVE GOOD SOIL CONTACT.STAPLE PATTERN/DENSITY SHALLFOLLOW MANUFACTURERSSPECIFICATIONSERHART WETLAND ALTERATION
WETLAND ALTERATION PERMIT
EROSION AND SEDIMENT CONTOL NOTES AND DETAILS 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700EROSION CONTROL SCHEDULE:FINAL STABILIZATION:EROSION CONTROL GENERAL NOTES:POLLUTION PREVENTION MANAGEMENT MEASURES:SEDIMENT CONTROL PRACTICES:MAINTENANCE PROGRAM:EROSION AND SEDIMENT CONTROLWINTER STABLIZATION: DEWATERING:
BLOCK 3BLOCK 4HAWKCREST COURT
BLOCK 5EAGLE RIDGE ROADINFILTRATION BASIN 2INFILTRATION BASIN 2BOTTOM EL 891TOP EL 891.24 HWL 895.99WETLAND 3WETLAND 2WETLAND 1HWL 904.66WETLAND 4EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.04UNDELINEATED WATERBODYOUTLOT AWETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATION
RESTORATION PLAN8LEGEND:SEED PLANTING NOTES: NOTES:
151413122987653211119876BLOCK 55OUTLOT COUTLOT DOUTLOT EOUTLOT EOUTLOT CBLOCK 3BLOCK 4HAWKCREST COURT HAWKCREST CIRCLE4BLOCK 2BLOCK 512EAGLE RIDGE ROAD
WETLAND 3WETLAND 2WETLAND 1HWL 904.6611032456789BLOCK 1OUTLOT A WETLAND 4111213141516OUTLOT BOUTLOT EOUTLOT BOUTLOT BBLO
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EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.04UNDELINEATED WATERBODYEX HWL 897.29PR HWL 897.30FUTURE BLOCK 2 LOTSFUTURE DEVELOPMENT(GHOST PLAT)GREAT PLAINS BLVD. (TH-101)12OUTLOT ABLOCK 1WETLAND ALTERATION PERMIT 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700ERHART WETLAND ALTERATION
WETLAND MANAGMENT PLAN9 WETLAND BUFFER CALCULATIONWETLAND SUMMARYWETLAND IMPACT CALCULATIONLEGEND: