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7.2 PRSR 05-13-2020 The Elk River Vision A welcoming community with revolutionary and spirited resourcefulness, exceptional service, and community engagement that encourages and inspires prosperity Request for Action To Parks and Recreation Commission Item Number 7.2 Agenda Section Action Item Meeting Date May 13, 2020 Prepared by Amanda Erickson, Environmental Coordinator Item Description Approve Lake Orono Restoration and Enhancement (LORE) Project Reviewed by Brandon Wisner, Stormwater Coordinator Reviewed by Michael Hecker, Parks and Recreation Director Cal Portner, City Administrator Action Requested Discussion of LORE project planned to begin in late summer 2020. Recommend, by motion, approval of the LORE plans. Background/Discussion Lake Orono is a shallow 300-acre lake that captures 611-square-miles of watershed. Over time, sediment has accumulated and settled in the lake causing negative impacts on the aquatic health and navigation. The LORE project plans to remove approximately 125,000 cubic yards of sediment material to help improve the overall quality and health of the lake. In 1998, Lake Orono was drawn down and sediment was dredged. At that time, it was expected the dredging would need to be done again in approximately 20 years. The overall project budget is $3.25 million which includes $1.5 million in grant funding from the state and $1 million from the Active Elk River Local Option Sales Tax fund. The remaining portion will be paid for by adjacent lakeshore property owners and the City of Elk River. The goal of the LORE project is to remove sediment build up and ultimately improve the navigational depth of Lake Orono. In doing so, invasive plants should be reduced, the health of aquatic wildlife improved, and crews will also be able to add fish habitats before refilling the lake. Currently, city staff are working with the DNR to ensure the proper permits are in place and the LORE meets all state and local regulations. The city contracted with WSB & Associates to manage the design, contracts, and the 429-assessment process. Before dredging can begin, a temporary drawdown of the lake is necessary which requires a permit from the DNR. The city proposes to complete the drawdown process by mid-September of 2020 and return the lake to normal levels by the spring of 2021. Financial Impact None Attachments  LORE 90% Plan Set showing dredging locations, proposed depths and habitat improvements BUSINESS CENTER DR NW 183RD AVE NW ORON O R D N W 8TH ST NW 186TH AVE NW ORONO PKWY NW ALBANY ST NWZUMBRO AVE NWUNNAMED WATSON AVE NW 10TH ST NW WA N D A V E N W US H I G H W A Y 1 0 N W US HI G H W A Y 10 N W LAKE ORONO MAIN STREE T LAKE ORONO ORONO PARK SHERBURNE COUNTY FAIRGROUNDS ORONO ATHLETIC COMPLEX CITY HALL SCALE IN FEET 0 500 1000 K:\015125-000\Cad\Plan\015125-000-C1-TITLE.dwg 5/7/2020 9:06:00 AMN LAKE ORONO IMPROVEMENTS CITY OF ELK RIVER PROJECT LOCATION MAP LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR COUNTY:SHERBURNE PROJECT LOCATION THE SUBSURFACE UTILITY INFORMATION IN THIS PLAN IS UTILITY QUALITY LEVEL D. THIS UTILITY QUALITY LEVEL WAS DETERMINED ACCORDING TO THEGUIDELINES OF CI/ASCE 38-02, ENTITLED "STANDARD GUIDELINES FOR THE COLLECTION AND DEPICTION OF EXISTING SUBSURFACE UTILITY DATA." GOPHER ONE CALL TICKET NUMBER: XXXXXXXX UTILITY COORDINATION MEETING HELD ON: XXXXXXXXXXXX APPROVED BYSHEET NO.DATE PLAN REVISIONS ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS AND ORDINANCESWILL BE COMPLIED WITH IN THE CONSTRUCTION OF THIS PROJECT. THIS PLAN SET CONTAINS 17 SHEETS I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED BY ME OR UNDERMY DIRECT SUPERVISION, AND THAT I AM A DULY LICENSED PROFESSIONALENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. LICENSE NUMBER:DATE:XX/XX/2019 50820 AMY ANDERSON, P.E. SHEET 17OFWSB PROJ. NO. 015125-000 PROJECT LOCATION 1 THIS PLAN SET HAS BEEN PREPARED FOR: CITY OF ELK RIVER13065 ORONO PARKWAYELK RIVER, MN 55330 (763) 635-1000 A CALL TO GOPHER STATE ONE (651-454-0002)IS REQUIRED A MINIMUM OF 48 HOURS PRIORTO PERFORMING ANY EXCAVATION. EXCAVATION NOTICE SYSTEM PLAN SET INDEX GOVERNING SPECIFICATIONS UTILITY INFORMATION THE 2018 EDITION OF THE MINNESOTA DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR CONSTRUCTION" SHALL GOVERN. ALL TRAFFIC CONTROL DEVICES SHALL CONFORM TO THE LATEST EDITION OF THE MINNESOTA MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES, INCLUDING THE LATEST FIELD MANUAL FOR TEMPORARY TRAFFIC CONTROL ZONE LAYOUTS. 910 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR 910 913 POTENTIAL ACCESS LOCATIONS Sheet List Table SHEETNUMBER SHEET TITLE 1 TITLE SHEET 2 GENERAL LAYOUT 3 CONSTRUCTION DETAILS 4 CONSTRUCTION DETAILS 5 EXISTING CONDITIONS-1 6 EXISTING CONDITIONS-2 7 EXISTING CONDITIONS-3 8 PROPOSED SITE PLAN-1 9 PROPOSED SITE PLAN-2 10 PROPOSED SITE PLAN-3 11 EROSION CONTROL PLAN-1X 12 EROSION CONTROL PLAN-2 13 EROSION CONTROL PLAN-3 14 STORM WATER POLLUTION PREVENTION PLAN 15 STORM WATER POLLUTION PREVENTION PLAN 16 STORM WATER POLLUTION PREVENTION PLAN 17 STORM WATER POLLUTION PREVENTION PLAN XX/XX/2020 16 JOPLIN ST NWBUSINESS CENTER DR NW 185TH AVE NW 192 1/2 LN NW QUEEN ST NW183RD AVE NW 182ND LN NW ORON O R D N W 8TH ST NW COURTHOUSE DR186TH LN NW 186TH AVE NW HUDSON ST NWORONO PKWY NW RUSH AVE NWALBANY ST NWZUMBRO AVE NWHUDSON LN NWWATSON AVE NWSEYMOUR AVE NW10TH ST NW WA N D A V E N W US H I G H W A Y 1 0 N W US HIGHWAY 10 NW US HIGHWAY 10 NW LAKE ORONO LAKE ORONO ORONO PARK SHERBURNE ORONOATHLETIC COMPLEX MAIN STREE T MISSISSIP PI R D N W COUNTYFAIRGROUNDS870 870870870870 870 865 86 5 8658 7 0 870 870865 870 8 7 0 8 7 0 870 870 87 0870870870870 870 870870 871.5 871.587 1 . 5 871.5 871.5871.5 871.5871.5 871.5 871.5 871.5 871.5871.5 871.5 8 7 1 . 5 8 7 1 . 5 8 7 1 . 5871.5870 870 870 8708 7 0 8708 7 0 87 0 870870 870 870 870870 870 870 870 183RD AVE NW 182ND AVE NW BOSTON ST NWSIMONET DR N W 185TH AVE N W 185TH LN NW L A N D E R D R NW LANDER ST NWNAPLES ST NWPASCAL DR NWISLAND VI E W D R N WJOPLIN ST NWISLAN D V I E W D R N W ISLAND VIE W D R N W 190TH AVE NW BOSTON ST NWCONCORD ST NWMEADOWVA L E R D N W GARY ST NWORONO RD NWHUDSON ST NWJOPLIN ST NW870870869870870869865 865863863864864866866867867 868863863 870871 87 0 870870868869 870868869 867 86 8 87 086986987086786887 0 86 9 87 2870871 871872870869868869869868869871 868869 869870869868869870 869 868 8688698 7 0 870871868869LAKE ORONO LOCATION SCALE IN FEET 0 H: 400 800 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C2-GENRL LAYOUT.dwg 5/7/2020 9:35:59 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERGENERAL LAYOUT SHEET OF 2 EXISTING CONDITIONS-1 SEE SHEET 3PROPOSED CONDITIONS-1 SEE SHEET 6 EXISTING CONDITIONS-2 SEE SHEET 4PROPOSED CONDITIONS-2 SEE SHEET 7 EXISTING CONDITIONS-3 SEE SHEET 5PROPOSED CONDITIONS-3 SEE SHEET 8 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR 855 852 913 17 EXISTING ORDINARY HIGH WATER LINE 871.5 TOE ROCK TOEWOOD COBBLES 16 XX/XX/2020 FLO W MAINTENANCE 1. FILTER BARRIERS SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. 2. SHOULD THE BIOROLL DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USEABLE LIFE AND THE BARRIER STILL BE NECESSARY. THE BIOROLL SHALL BE REPLACED PROMPTLY. 3. SEDIMENT DEPOSITS MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY 1/3 HEIGHT OF THE BARRIER, OR AS DIRECTED BY THE ENGINEER. 4. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE OR FILTER BARRIER IS NO LONGER REQUIRED, SHALL BE DRESSED TO CONFORM WITH THE EXISTING GRADE, PREPARED AND SEEDED. 5. ALL MATERIAL & INSTALLATION MUST CONFORM TO THE REQUIREMENTS OF THE CURRENT EDITION OF THE MNDOT CONSTRUCTION SPECIFICATIONS SECTION 3889. BIOROLL BLANKET SYSTEM (TYPE 3 SPEC. 3889) 4" x 4" TRENCH BACKFILLED OVER EROSION CONTROL BLANKET (SPEC. 3885) CATEGORY 3 EROSION CONTROL BLANKET (SPEC. 3885) 12' M I N I M U M BLA N K E T S M U S T OV E R L A P B Y 4 " POINT "A" POINT "B" 8", 11 GA. STAPLES SPACED 1' 0" O.C. 2" X 2" X 18" LONG WOODEN STAKES AT 2' 0" SPACING. DRIVE THROUGH NETTING AND FIBER ROLL. STRAW OR WOOD FIBER 6"-7" DIA. ROLL ENCLOSED IN PLASTIC OR POLYESTER NETTING BIO-ROLL BLANKET SCALE: NOT TO SCALE WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-DTLS.dwg 5/7/2020 10:57:11 AM015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERMISCELLANEOUS DETAILS SHEET OF17 3 16 XX/XX/2020 TOE ROCK RESTORATION DETAIL SCALE: NOT TO SCALE NOT TO SCALE Plan View1 10-15ft 1.5' 3' FOOTER LOGS CROSS LOGCLASS I RIPRAPBACKFILL 1:1EL. 876 3:1 OR 4:1 TOE WOOD CONSTRUCTION NOTES 1.FOOTER LOGS AND CROSS LOGS SHALL BE HARDWOOD SPECIES AND FREE FROM DECAY OR ROT. 2.FOOTER LOGS AND CROSS LOGS SHALL BE A MINIMUM OF 10 INCHES IN DIAMETER. 3.CROSS LOGS SHALL HAVE ROOT BALLS INTACT AND HAVE A MINIMUM DIAMETER OF 3 FEET. ALL CROSS LOGS SHALL HAVE A SHARPENED END AND BE DRIVEN INTO THE BANK. IF CROSS LOG IS LONGER THAN 15 FEET, IT SHALL BE ANGLED INTO FLOW. IF CROSS LOG IS 10-15 FEET, IT SHALL BE PERPENDICULAR TO FLOW. 4.CLASS I RIPRAP SHALL BE USED AS BEDDING AND BACKFILL OVER TOP OF THE CROSS LOG. BEDDING SHALL EXTEND A MINIMUM OF 4 FEET SHOREWARD FROM THE BACK OF THE FOOTER LOGS AND BACKFILL SHALL EXTEND A MINIMUM OF 7 FEET SHOREWARD FROM THE ROOT BALL. BEDDING AND BACKFILL SHALL BE A MINIMUM OF 1 FOOT THICK. 5.BRUSH MATTRESS MATERIAL SHALL CONSIST OF SMALL LOGS, LIMBS, AND TREE TOPS LESS THAN 6 INCHES IN DIAMETER. BRUSH MATTRESS MATERIAL SHALL BE WORKED INTO THE ROOT BALL. 6.BACKFILL MATERIAL SHALL CONSIST OF COMPACTED SOIL GENERATED FROM ON-SITE EXCAVATION WITH A MINIMUM THICKNESS OF 2 FEET. 7.THE EXPOSED FRONT FACE OF THE BACKFILL MATERIAL SHALL BE RESTRAINED AND PROTECTED BY WRAPPING AND STAKING WITH GEOCOIR/DEKOWE 700 OR APPROVED EQUAL. BLANKET SHALL BE STAKED WITH 24” DEAD STOUT STAKES. 8.THE TOP LAYER OF THE TOE WOOD STRUCTURE SHALL BE SOD MAT GENERATED FROM ON-SITE EXCAVATION AREAS AND STOCKPILED UNTIL INSTALLED. SOD MAT SHALL BE A MINIMUM OF 6 INCHES THICK. NOT TO SCALE Profile View2 FLOW NOTES:A MINIUM OF TWO CROSS LOGS PER FOOTER LOG ISREQUIRED TO ANCHOR FOOTER LOG. CROSS LOG FOOTER LOGS10 FT. MIN. LENGTH MIN. 10'BANKFILL BENCH MIN. 10' TOEWOOD DETAIL SCALE: NOT TO SCALE SOD MAT SEED HYDROMULCH COMPACTED SOIL BRUSH MAT 20:1 SODMAT &SEED MULCH EL. 870 INSTALL LIVE STAKESPER DETAIL #6 EXISTING GROUND EXISTING LAKE BED(TYPICAL) WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-DTLS.dwg 5/7/2020 10:59:04 AM015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERMISCELLANEOUS DETAILS SHEET OF17 4 TOE ROCK DETAIL 16 XX/XX/2020 QUEEN ST NW186TH LN NW 186TH AVE NW US HIG H W A Y 1 0 N W ORONO PARK868868 869 871 869 870872869869 868868867868 869 870870 869869871.5 871.5 8 7 1 . 5 8 7 1 . 5 8 7 1 . 5871.5871 870 871 870871871 871 870 871868869870871 869 868869869871 869869868 8 7 0868868 868867868 869 8708 7 0 86 9 871871870 871 86987087 1 870871869 870 871 86686 7 86 9 869 868 868 86886 9 869869 86 9869869 869 86 9868869869869869 869 869 868867868869869868870 870870869 8688698688698 6 7 871 871 871 869 871 871871 871 872871 871 869 869 8698 6 9 86 9 86 9 870 86986 9 869869869 871 868869 869 870869 868869870 869 868 ISLAND VI E W D R N W LANDER ST NWLA N D E R D R N W 185TH AVE N W 185TH LN NW 873 870 873872873 87 2 8 7 3873 8 7 2 8 7 3 871872873873 872873873 872873873872873875873874 87 2 873 87 5 87 38748738 7 4 87287387 2 8 7 38738 7 38728738 7 3 8 7 3 872873 8728 7 3 8 7 3872873873873870 875875873874 8 7 2 874 87287 3873 871872873873 871872873873 86 9 8 7 28738 7 0 8728 7 3 872873873 870 86886887086887 1 872873873ISLAND VI E W D R N WJOPLIN ST NW190TH AVE N W 190TH AVE NW ISLA N D V I E W D R N W LAKE ORONO LOCATION SCALE IN FEET 0 H: 200 400 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-1.dwg 5/7/2020 7:42:49 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVEREXISTING SITE PLAN-1 SHEET OF17 5 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 910 913 EXISTING CONTOUR LINE - MINOR 913 EXISTING ORDINARY HIGH WATER LINE 871.5 16 XX/XX/2020 10TH ST NW 867872 87086 7 867868 8688 7 0 870 8708728728 7 2 870 871 8 7 0 8 7 0 870 871870870869 87086 8 869 870 86 9 871 871 871868 870 868867871.5 871.58 7 1 . 5 871.5 867 86 8 870 8718728 7 2 87 0 87 1 871 872 872 867 873 873 872 86 6 868 86 8 869 870 87 0 871868869870 BOSTON ST NWCONCORD ST NWLAKE ORONO SCALE IN FEET 0 H: 60 120 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-2.dwg 5/7/2020 7:53:53 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVEREXISTING SITE PLAN-2 SHEET OF17 6 LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 910 913 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LOCATION EXISTING ORDINARY HIGH WATER LINE 871.5 16 XX/XX/2020 US HIGHWAY 10 NW LAKE ORONOLAKE ORONO ORONO PARK SIMONET DR NW 870870870 870 868 869 871 865 864 86 6 8 6 7 868868 867 867866 86386 3863 86686 5867 86687 1 865863 864864 86687 0 86 6 871.5 871.5 871.5871.5 871.5 871.5 871.5872 871871 870 869 868 869 870 871 871870869 867868866867865866865865 867 865 866 867 872 87287387 3 870 871870869868 8658 6 5 8 6 5 8 6 4 865873871870868869867866865866 867 868 869 870 866867867867867 8698708718658 6 486486686 6866867 866 87 0 86 786 886 987 1 866868 8 6 6 CEMETERY POINT LAKE ORONO SCALE IN FEET 0 H: 120 240 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-3.dwg 5/7/2020 9:31:19 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVEREXISTING SITE PLAN-3 SHEET OF17 7 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LOCATION LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 910 913 EXISTING ORDINARY HIGH WATER LINE 871.5 16 XX/XX/2020 QUEEN ST NW186TH LN NW 186TH AVE NW US HIG H W A Y 1 0 N W ORONO PARK868868 869 871 869 870872869869 868868867868 869 870870 869869871.5 871.5 8 7 1 . 5 8 7 1 . 5 8 7 1 . 5871.5871 870 871 870871871 871 870 871868869870871 869 868869869871 869869868 8 7 0868868 868867868 869 8708 7 0 86 9 871871870 871 86987087 1 870871869 870 871 86686 7 86 9 869 868 868 86886 9 869869 86 9869869 869 86 9868869869869869 869 869 868867868869869868870 870870869 8688698688698 6 7 871 871 871 869 871 871871 871 872871 871 869 869 8698 6 9 86 9 86 9 870 86986 9 869869869 871870 869870870869865 865863 863864 864866 866867 867868863863 870871 87 0 867 867 868869 868869871 868869 869 870869 868869870 869 868 ISLAND VI E W D R N W LANDER ST NWLA N D E R D R N W 185TH AVE N W 185TH LN NW ISLAND VI E W D R N WJOPLIN ST NW190TH AVE N W 190TH AVE NW ISLA N D V I E W D R N W LAKE ORONO LOCATION SCALE IN FEET 0 H: 200 400 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-1.dwg 5/7/2020 10:30:21 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERPROPOSED SITE PLAN-1 SHEET OF SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR COBBLES 855 852 913 17 8 EXISTING ORDINARY HIGH WATER LINE 871.5 TOE ROCK COBBLES 16 XX/XX/2020 10TH ST NW 867872 87086 7 867868 8688 7 0 870 8708728728 7 2 870 871 8 7 0 8 7 0 870 871870870869 87086 8 869 870 8 6 9 871 871 871868 870 868867871.5 871.58 7 1 . 5 871.58708708708688698708688698698698708 7 0 8 6 9 87 2 870 871 871872870869868869867 86 8 870 8718728 7 2 87 0 87 1 871 872 872 867 873 873 872 86 6 868 86 8 869 870 87 0 871868869870869870869870 87 1 868870869870869870869868868869BOSTON ST NWCONCORD ST NWLAKE ORONO LOCATION SCALE IN FEET 0 H: 60 120 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-2.dwg 5/7/2020 9:53:23 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERPROPOSED SITE PLAN-2 SHEET OF17 9 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR 855 852 913 EXISTING ORDINARY HIGH WATER LINE 871.5 TOE ROCK TOEWOOD COBBLES 16 XX/XX/2020 US HIGHWAY 10 NW LAKE ORONOLAKE ORONO ORONO PARK SIMONET DR NW 871.5 871.5 871.5871.5 871.5 871.5 871.586 8 87 0 8688698 7 0 870871868869871 868871871870869 867868866867865866865865 867 865 866 867 872 87287387 3 870 871870869868 8658 6 5 8 6 5 8 6 4 865873871870868869867866865866 867 868 869 870 866867867867867 8698708718658 6 486486686 6866867 866 87 0 86 786 886 987 1 866868 8 6 6 CEMETERY POINT LAKE ORONO SCALE IN FEET 0 H: 120 240 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-SITE PLAN-3.dwg 5/7/2020 9:39:49 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVERPROPOSED SITE PLAN-3 SHEET OF17 10 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LOCATIONLEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR TOE ROCK 855 852 913 TOEWOOD COBBLES EXISTING ORDINARY HIGH WATER LINE 871.5 16 XX/XX/2020 868868 869 871 869 870872869869 868868867868 869 870870 869869871.5 871.5 8 7 1 . 5 8 7 1 . 5 8 7 1 . 5871.5871 870 871 870871871 871 870 871868869870871 869 868869869871 869869868 8 7 0868868 868867868 869 8708 7 0 86 9 87187187 0 871 86987087 1 870871869 870 871 86686 7 86 9 869 868 868 86886 9 869869 86 9869869 869 86 9868869869869869 869 869 868867868869869868870 8708708698688698688698 6 7871 871 871 869 871 871871 871 872871 871 869 869 8698 6 9 86 9 86 9 870 86986 9 869869869 871 QUEEN ST NW186TH LN NW 186TH AVE NW US HIG H W A Y 10 N W ORONO PARK870869870870869865865863863864864866866867867868863863 870871 87 0 867 867 868869 868869871 868869 869 870869 868869870 869 868 ISLAND VI E W D R N W LANDER ST NWLA N D E R D R N W 185TH AVE N W 185TH LN NW SFLAKE ORONO LOCATION SCALE IN FEET 0 H: 200 400 WSB PROJECT NO.:REVISIONSNO.DATEDESCRIPTIONK:\015125-000\Cad\Plan\015125-000-C-EROS PLAN-1.dwg 5/7/2020 8:54:38 AMN 015125-000 SCALE: PLAN BY: DESIGN BY: CHECK BY: AS SHOWN CKJ LC ARA I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,OR REPORT WAS PREPARED BY ME OR UNDER MYDIRECT SUPERVISION AND THAT I AM A DULYLICENSED PROFESSIONAL ENGINEER UNDER THELAWS OF THE STATE OF MINNESOTA.LIC. NO:DATE:AMY ANDERSON, P.E.XX/XX/201950820LAKE ORONOIMPROVEMENTSCITY OF ELK RIVEREROSION CONTROL PLAN-1 SHEET OF17 11 SEE SHEET 4SEE SHEET 7SEE SHEET 3SEE SHEET 6 SEE SHEET 5SEE SHEET 8 183RD AVE NW MISSISSIPPI RD NW ORONO PKWY NW US HIGHWAY 10 NW LAKE ORONO ORONOISLAND VI E W D R N W MEA D O W V A L E R D N W PARK CITYHALL LAKE ORONO RAIL ROAD LEGEND PROPERTY LINES/RIGHT-OF-WAY EXISTING CONTOUR LINE - MAJOR EXISTING CONTOUR LINE - MINOR 910 913 PROPOSED CONTOUR LINE - MAJOR PROPOSED CONTOUR LINE - MINOR 910 913 SHORELINE RESTORATION (SEE TOE ROCK DETAIL) OHW (ORDINARY HIGH WATER ELEVATION = 871.5) CONSTRUCTION LIMITS COBBLES CONSTRUCTION ENTRANCE GENERAL NOTES 1.REFER TO SWPPP FOR SPECIFIC NPDES AND EROSION CONTROL NOTES.2.ALL SOILS SHALL BE TEMPORARILY STABILIZED IMMEDIATELY WITHIN 7 DAYS OF CEASING ACTIVE WORK.-TEMPORARY SHORELINE STABILIZATION: SEED MIX 32-241 @ 38 LBS / ACRE, CAT. 25 (WOOD EROSION CONTROL BLANKET.-TEMPORARILY IN-LAKE STABILIZATION: TYPE 3 MULCH, DISC ANCHOR UNLESS STANDING WATER IS PRESENT.3.PHASE A: DIVERT ELK RIVER TO THE SOUTHERN SIDE OF ORONO LAKE, AS SHOWN. WORK WILL BE COMPLETED CONCURRENTLY IN THE NORTH HALF OF LAKEORONO. CONSTRUCTION PHASING CAN VARY AS APPROVED BY THE CITY ENGINEER. CONTRACTOR TO SUBMIT ELK RIVER BYPASS PLAN AT LEAST 10 DAYS PRIORTO PROPOSED RIVER DIVERSION ACTIVITIES.4.PHASE B: DIVERT ELK RIVER TO THE NORTHERN SIDE OF LAKE ORONO, AS SHOWN. WORK WILL BE COMPLETED CONCURRENTLY IN THE SOUTH HALF OF LAKEORONO. CONSTRUCTION PHASING CAN VARY AS APPROVED BY THE CITY ENGINEER. CONTRACTOR TO SUBMIT ELK RIVER BYPASS PLAN AT LEAST 10 DAYS PRIORTO PROPOSED CREEK DIVERSION ACTIVITIES.5.ALL STREETS IN AND ADJACENT TO THE PROJECT SHALL REMAIN CLEAN AND PASSABLE AT ALL TIMES. ANY SEDIMENT OR DEBRIS SHALL BE REMOVED WITHIN 24HOURS, OR AS OFTEN AS NEEDED TO ENSURE PUBLIC SAFETY. STREETS MUST BE SWEEPED DAILY DURING HAULING OPERATIONS TO REMOVE DEBRIS AND ICEFROM ROADWAYS.6.SEDIMENT CONTROL MUST BE IN PLACE AND APPROVED BY THE ENGINEER BEFORE ANY PHASE OF CONSTRUCTION CAN BEGIN.7.THE CONTRACTOR SHALL PROVIDE PERIMETER CONTROL DAY-TO-DAY AT DISTURBED UNSTABILIZED AREAS WHERE EROSION OR SEDIMENTATION COULD BE APROBLEM. THE ENGINEER SHALL DIRECT THE CONTRACTOR AS TO WHERE PLACEMENT OF PERIMETER CONTROL WILL BE REQUIRED.8.IF SEDIMENT DEPOSITS IN WATERS OF THE STATE, THE MATERIAL MUST BE REMOVED WITHIN 7 DAYS.9.ALL STORM SEWER STRUCTURES SHALL BE PROTECTED BY APPROPRIATE BMPS DURING CONSTRUCTION UNTIL ALL SOURCES WITH POTENTIAL FORDISCHARGING TO THE STRUCTURE(S) HAVE BEEN STABILIZED.10.STABILIZATION OF DISTURBED AREAS SHALL BE DONE BY PERMANENT TURF ESTABLISHMENT WHENEVER POSSIBLE.11.A STABILIZED CONVEYANCE FOR ELK RIVER MUST BE PROVIDED AT ALL TIMES DURING CONSTRUCTION, OR ANOTHER BMP APPROVED BY THE ENGINEER.12.ALL STOCKPILES MUST HAVE PERIMETER SEDIMENT CONTROL IMPLEMENTED AND MAINTAINED AT ALL TIMES. STOCKPILES TO RECEIVE RAPID STABILIZATIONMETHOD 3 IF UNWORKED FOR 7 DAYS.13.CONTRACTOR TO SUBMIT A DEWATERING PLAN TO THE ENGINEER FOR APPROVAL AT LEAST 10 DAYS PRIOR TO COMPLETING ANY SITE DEWATERING ACTIVITIES.THE PLAN MUST INCLUDE A DEWATERING SYSTEM PRIOR TO DISCHARGING INTO RECEIVING WATER. THE DEWATERING PLAN MUST ENSURE THAT THE DISCHARGEWATER IS FREE OF SEDIMENT AND TURBID WATER.14.SITE PLANS SHALL BE SUBMITTED TO THE ENGINEER AT LEAST 10 DAYS IN ADVANCE AND IN ACCORDANCE WITH THE SWPPP. BYPASS ROUTE A BYPASS ROUTE B CLEAR & GRUB AS DIRECTED BYTHE ENGINEERPROTECT ALL TREES THAT WILLNOT BE REMOVED WITHCONSTRUCTION SAFETY FENCEAT THE TREE'S DRIPLINE. PROVIDE A WHEEL WASH OFF SYSTEMAS THE STABILIZED CONSTRUCTIONEXIT BMP (MnDOT PAY ITEM 2573.502) CONSTRUCTION STAGING AREA FLOW ARROW ENVIRONMENTALLYSENSITIVE AREA 871.5 WOOD FIBER BIO ROLL SFSILT FENCE SEED MIX 25-151 WITH HYDRAULIC STABILIZED FIBER MATRIX AT 3,000 LBS/ACRE & FERTILIZER TYPE 3 (22-5-10) AT 350 LBS/ACRE EROSION CONTROL BLANKET CATEGORY 25 WITH MnDOT SEED MIX 33-261 @ 35 LBS/ACRE WITH TYPE 4 FERTILIZER@ 150 LBS/ACRE. CITY ACCESS 16 XX/XX/2020