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STEXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X X X X X X X X S TO STOSTOSTOSTO IE=867.88IE=867.74XXXXXXXXXXX88588488688788 5 8 9 0 88 4 88 6 8 8 7 8 8 8 8898 9 1 8 9 2 8 9 3 8 9 4 E.O.F.883.50885890883883884886887888889891892 886 887 888 880878879 880 885 880 878879 881882 885890886887888889891880 885 890 879881882883 884 886 887 888 889 891 892 877877877878878878879875873874876877878879875874876877E.O.F.882.50E.O.F.878.00875873874876877877878878879879875876880881882883877878879885884886885884886887890891892893890 88888989188588188288388488688788 8 88 9 885883884886887880878879881882883 E.O.F.880.25882.50884.50888.70889.68891.06893.25LOT 1BLOCK 1161STAVENUE NW6 :6 :125XXXX X X XXXXXXXXXXX X X X X X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXX XXXXXXXXXXXXXXFUTURE BUILDINGFFE=889.00SINGLE-STORY80'x160'6,400 SF - OFFICE6,400 SF - SHOPXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXINFILTRATIONBASININFILTRATION BASINFUTURE RECEIVING YARDFUTUREPARKINGLOTPREVIOUS PHASESFSFSFSFSFSFSFSFSFSFSFSFSF S F SFSF SFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSF SFSFSFSFSFSFSFSFSF SFSFSFSFSFSFSFSFSFSFSFSFSFSHEET NUMBER:DATE:DATE:LICENSE NO. I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA PREPARED FOR: Phone (320) 253-9495 3701 12th Street North, Suite 206 Fax (320) 358-2001 St. Cloud, MN 56303 Toll Free (800) 270-9495 VERTICAL SCALE: HORIZONTAL SCALE: DRAWN: CHECKED: DESIGNED:INITIAL ISSUE: REVISIONS:OFFOR PERMIT APPROVAL0'60'120'180'1" = 60'PROPERTY LINESILT FENCEPOND NORMAL WATER LEVELROCK CONSTRUCTION ENTRANCEEROSION CONTROL BLANKETEMERGENCY OVERFLOWSTORM SEWERDRAIN TILEWATER MAINSANITARY SEWERINLET PROTECTIONEXISTINGPROPOSEDINDEX CONTOURINTERVAL CONTOURSFCURB AND GUTTERFLARED END SECTION (WITH RIPRAP)TURF REINFORCEMENT MATEROSION CONTROL LEGEND1.ALL SILT FENCE AND OTHER EROSION CONTROL FEATURES SHALL BE IN-PLACE PRIOR TO ANY EXCAVATION/CONSTRUCTION AND SHALL BE MAINTAINED UNTIL VIABLE TURFOR GROUND COVER HAS BEEN ESTABLISHED. EXISTING SILT FENCE ON-SITE SHALL BE MAINTAINED AND OR REMOVED AND SHALL BE CONSIDERED INCIDENTAL TO THEGRADING CONTRACT. IT IS OF EXTREME IMPORTANCE TO BE AWARE OF CURRENT FIELD CONDITIONS WITH RESPECT TO EROSION CONTROL. TEMPORARY PONDING, DIKES,HAYBALES, ETC., REQUIRED BY THE CITY SHALL BE INCIDENTAL TO THE GRADING CONTRACT.2.EROSION AND SILTATION CONTROL (ESC): THE CONTRACTOR SHALL ASSUME COMPLETE RESPONSIBILITY FOR CONTROLLING ALL SILTATION AND EROSION OF THE PROJECTAREA. THE CONTRACTOR SHALL USE WHATEVER MEANS NECESSARY TO CONTROL THE EROSION AND SILTATION INCLUDING BUT NOT LIMITED TO: CATCH BASIN INSERTS,CONSTRUCTION ENTRANCES, EROSION CONTROL BLANKET, AND SILT FENCE. ESC SHALL COMMENCE WITH GRADING AND CONTINUE THROUGHOUT THE PROJECT UNTILACCEPTANCE OF THE WORK BY THE OWNER. THE CONTRACTOR'S RESPONSIBILITY INCLUDES ALL IMPLEMENTATION AS REQUIRED TO PREVENT EROSION AND THE DEPOSITINGOF SILT. THE OWNER MAY DIRECT THE CONTRACTOR'S METHODS AS DEEMED FIT TO PROTECT PROPERTY AND IMPROVEMENTS. ANY DEPOSITION OF SILT OR MUD ON NEW OREXISTING PAVEMENT OR IN EXISTING STORM SEWERS OR SWALES SHALL BE REMOVED AFTER EACH RAIN EVENT. AFFECTED AREAS SHALL BE CLEANED TO THE SATISFACTION OFTHE OWNER, ALL AT THE EXPENSE OF THE CONTRACTOR. ALL TEMPORARY EROSION CONTROL SHALL BE REMOVED BY THE CONTRACTOR AFTER THE TURF IS ESTABLISHED.3.ALL STREETS DISTURBED DURING WORKING HOURS MUST BE CLEANED AT THE END OF EACH WORKING DAY. A CONSTRUCTION ENTRANCE TO THE SITE MUST BE PROVIDEDACCORDING TO DETAILS TO REDUCE TRACKING OF DIRT ONTO PUBLIC STREETS.4.WHEN INSTALLING END-OF-LINE FLARED END SECTIONS, BRING THE SILT FENCE UP & OVER THE FLARED END SECTIONS & COVER DISTURBED AREAS WITH RIP RAP. THEUPSTREAM FLARED END SECTIONS SHALL HAVE WOOD FIBER BLANKET INSTALLED ON THE DISTURBED SOILS.5.ALL UNPAVED AREAS ALTERED DUE TO CONSTRUCTION ACTIVITIES MUST BE RESTORED WITH SEED AND MULCH, SOD, EROSION CONTROL BLANKET OR BE HARD SURFACEWITHIN 2 WEEKS OF COMPLETION OF CONSTRUCTION.6.THE SITE MUST BE STABILIZED PER THE REQUIREMENTS OF THE MPCA, NPDES, MNDOT, AND CITY.A.TEMPORARY (GREATER THAN 1-YEAR) SEED SHALL BE MNDOT SEED MIX 22-111 AT 30.5-POUNDS PER ACRE.B.TEMPORARY (LESS THAN 1-YEAR) SEED SHALL BE MNDOT SEED MIX 21-112 (FALL) OR 21-111 (SPRING/SUMMER) AT 100-POUNDS PER ACREC.INFILTRATION/FILTRATION BASIN SHALL BE MNDOT SEED MIX 34-262 AT 14.5-POUNDS PER ACRE.D.POND SLOPES SHALL BE MNDOT SEED MIX 33-261 AT 35-POUNDS PER ACRE.E.GENERAL SEEDING SHALL BE MNDOT SEED MIX 25-151 AT 70-POUNDS PER ACRE.F.MULCH SHALL BE MNDOT TYPE 1 APPLIED AT 2-TONS PER ACRE.9.FOR AREAS WITH SLOPE OF 3:1 OR GREATER, RESTORATION WITH SOD OR EROSION CONTROL BLANKET IS REQUIRED.10.ALL TEMPORARY STOCKPILES MUST HAVE SILT FENCE INSTALLED AROUND THEM TO TRAP SEDIMENT.11.ALL PERMANENT PONDS USED AS TEMPORARY SEDIMENT BASINS DURING CONSTRUCTION SHALL BE DREDGED AFTER THE SITE HAS BEEN STABILIZED TO RESTORE THE PONDTO THE PROPOSED BOTTOM ELEVATION.12.ALL CONSTRUCTION SHALL CONFORM TO LOCAL AND STATE RULES INCLUDING THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMITREQUIREMENTS.13.THE SITE MUST BE KEPT IN A WELL-DRAINED CONDITION AT ALL TIMES. THE CONTRACTOR SHALL BE RESPONSIBLE FOR TEMPORARY DITCHES, PIPING OR OTHER MEANSREQUIRED TO INSURE PROPER DRAINAGE DURING CONSTRUCTION. LOW POINTS IN ROADWAYS OR BUILDING PADS MUST BE PROVIDED WITH A POSITIVE OUTFLOW.14.PUBLIC STREETS USED FOR HAULING SHALL BE KEPT FREE OF SOIL AND DEBRIS. STREET SWEEPING SHALL BE CONCURRENT WITH SITE WORK.GENERAL EROSION CONTROL NOTESSTOWATSANE.O.F.HEAVY DUTY SILT FENCEHDSFREDUNDANT SILT CONTROLRSC982980982980Common Ground AllianceCall 48 Hours before digging:811 or call811.comN:\0022825.00\DWG\CIVIL\PHASE 2\0022825EC01.DWG 10607/31/20COPART ELK RIVER: PHASE 2 ELK RIVER, MN COPART ELK RIVER: PHASE 2EROSION CONTROL PLAN 5483207/31/20 JOHN S. BLENKER JSB BCW DWR 05/28/20 © 2020 Westwood Professional Services, Inc. 06/19/20 07/31/20 . . . REVISED PER PARCEL RECONFIGURATION CITY COMMENTS . . . 60'PROJECT NUMBER: 0022825.00