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PROJECT DESCRIPTION/LOCATION AND SCOPESEE COVER SHEET FOR LOCATION MAP AND PROJECT NUMBERS. SEE BELOW FOR OVERVIEW MAP AND CONSTRUCTION LIMITS. PERMANENT STORMWATER BEST MANAGEMENT PRACTICES (BMPS) UTILIZED ON THE PROJECT INCLUDEPOROUS PAVEMENT.SPECIAL AND IMPAIRED WATERSTHERE ARE NO SPECIAL/IMPAIRED WATERS LOCATED WITHIN ONE MILE OF THE PROJECT LIMITS AND RECEIVE RUNOFF FROM THE PROJECT SITE.ENVIRONMENTALLY SENSITIVE AREASALL ENVIRONMENTALLY SENSITIVE AREAS, INCLUDING WETLANDS, ARE LABELED AS "ENVIRONMENTALLY SENSITIVE AREAS" IN THE PLANS.LONG TERM MAINTENANCE AND OPERATIONLONG TERM MAINTENANCE AND OPERATION OF BMPS WILL BE PERFORMED BY THE OWNER.SWPPP DEVELOPMENT AND MAINTENANCETHIS SWPPP WAS PREPARED BY PERSONNEL WHO ARE CERTIFIED IN THE DESIGN OF CONSTRUCTION SWPPPS. COPIES OF THE CERTIFICATIONS ARE AVAILABLE UPON REQUEST.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING A CERTIFIED EROSION AND SEDIMENT CONTROL SUPERVISOR WHO SHALL BE RESPONSIBLE FOR FINALIZING, CERTIFYING, AND MAINTAINING THE SWPPP DOCUMENT ANDOVERSEEING THE IMPLEMENTATION OF THE SWPPP. SEE BELOW FOR ADDITIONAL REQUIREMENTS. CERTIFIED SWPPP DESIGNER CONTACT: SRF - LISA BREU 763-452-4707.IN ADDITION, EACH CONTRACTOR OR SUBCONTRACTOR THAT PLACES EROSION OR SEDIMENT CONTROL DEVICES AS LISTED IN MNDOT SPECIFICATION 2573 SHALL PROVIDE AT LEAST ONE CERTIFIED INSTALLER AS INDICATED IN THEMNDOT SPECIFICATION.SWPPP AMENDMENTSTHE SWPPP SHALL BE AMENDED WHEN:A.THERE IS A CHANGE IN DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, WEATHER OR SEASON HAVING A SIGNIFICANT EFFECT ON DISCHARGE OF POLLUTANTS.B.INSPECTIONS INDICATE THE SWPPP IS NOT EFFECTIVE.C.A WATER QUALITY STANDARD CHANGES AND THE MPCA DETERMINES THE SWPPP SHALL BE AMENDED TO COMPLY.A DESCRIPTION OF ANY CHANGE TO THE SWPPP, ALONG WITH THE DATE AND NAME OF THE REVISION SHALL BE RECORDED AND INCLUDED WITH THE SWPPP AND RETAINED ON SITE. THE OWNER SHALL RETAIN ALL RECORDS AFTERCOMPLETION OF THE PROJECT.SITE PLANSTHE CONTRACTOR SHALL PREPARE AND SUBMIT A SITE MANAGEMENT PLAN FOR CONCRETE MANAGEMENT, CONCRETE SLURRY APPLICATION AREAS, WORK IN AND NEAR AREAS OF ENVIRONMENTAL SENSITIVITY, DEWATERINGAREAS, AREAS IDENTIFIED AS "SITE MANAGEMENT PLAN AREAS" AND AS REQUESTED BY THE PROJECT ENGINEER. SUBMIT ALL SITE MANAGEMENT PLANS IN WRITING AND ALLOW A MINIMUM OF 7 DAYS FOR REVIEW BY THE PROJECTENGINEER. WORK SHALL NOT BE ALLOWED TO COMMENCE IF A SITE MANAGEMENT PLAN IS REQUIRED UNTIL ACCEPTANCE HAS BEEN GRANTED BY THE PROJECT ENGINEER.ENVIRONMENTAL REVIEWTHE REQUIREMENTS OF RICE CREEK WATERSHED DISTRICT AND THE CITY OF HUGO ARE SATISFIED BY THE PERMANENT BMPS LISTED ABOVE AND THE TEMPORARY MEASURES INCLUDED. THERE ARE NO ADDITIONAL STORMWATERMITIGATION MEASURES REQUIRED AS A RESULT OF AN ENVIRONMENTAL, ARCHAEOLOGICAL OR AGENCY REVIEW.DRINKING WATER SOURCE MANAGEMENT AREA (DWSMA), EMERGENCY RESPONSE AREA (ERA), AND KARST REGIONSTHE PROJECT IS NOT LOCATED IN A ERA OR KARST AREA. THE PROJECT IS LOCATED IN A DWSMA WITH HIGH VULNERABILITY, THOUGH GROUNDWATER IS CONNECTED TO EGG LAKE.SOIL TYPESSOIL TYPES FOUND ON THIS PROJECT CAN BE CHARACTERIZED AS POORLY GRADED SAND, POORLY GRADED SAND WITH SILT, AND SILTY SAND.SEE SPECIAL PROVISIONS FOR ADDITIONAL WATER RELATED PERMITS SUCH AS WATERSHED DISTRICT PERMITS, WETLAND PERMITS, CITY PERMITS OR DNR PERMITS.LAND FEATURE CHANGELAND FEATURE CHANGES ARE ANTICIPATED WITH THIS PROJECT TO ACCOMMODATE THE PROPOSED BUILDINGS, ADJACENT DRIVEWAYS AND PARKING AREAS.TOTAL DISTURBED AREA = 3.88 ACEXISTING IMPERVIOUS AREA = 0.00 AC (PRE-DEMOLITION IMPERVIOUS AREA= 1.88 AC)PROPOSED IMPERVIOUS AREA = 3.45 ACINCREASED IMPERVIOUS AREA = 3.45 AC (INCREASE FROM PREVIOUS DEVELOPMENT= 1.57 AC, PERMEABLE PAVEMENT=1.58 AC)PROJECT CONTACTSTHE OWNER AND CONTRACTOR ARE RESPONSIBLE FOR THE IMPLEMENTATION OF THE SWPPP AND INSTALLATION, INSPECTION, AND MAINTENANCE OF THE EROSION PREVENTION AND SEDIMENT CONTROL BMPS BEFORE, DURINGAND AFTER CONSTRUCTION UNTIL THE NOTICE OF TERMINATION HAS BEEN FILED.ORGANIZATIONCONTACT NAMEPHONESRF CONSULTING GROUP (CONSULTANT)MIKE AARON763-475-0010MINNESOTA DNRPETER LEETE651-366-3634MPCA DUTY OFFICER 24 HOUR EMERGENCY NOTIFICATION:651-649-5451800-422-0798LOCATION OF SWPPP REQUIREMENTSTHE REQUIRED SWPPP ELEMENTS MAY BE LOCATED IN MANY PLACES WITHIN THE PLAN SET AS WELL AS IN THE SPECIAL PROVISIONS, CONSTRUCTION DIARIES ARE ON FILE WITH THE PROJECT OWNER. THERE MAY BE ADDITIONALREQUIRED SWPPP ELEMENTS INCLUDED ON THE PROJECT THAT ARE NOT LISTED ON THIS SHEET. IN ADDITION, THE MINNESOTA NPDES/SDS CONSTRUCTION STORMWATER PERMIT SHOULD BE REVIEWED AND CONSULTED BY THEEROSION AND SEDIMENT CONTROL SUPERVISOR.SITE MAPS AND DESIGN CALCULATIONSIN ADDITION TO WHAT IS LOCATED WITHIN THIS PLAN, SITE MAPS AND BMP DESIGN CALCULATIONS ARE AVAILABLE UPON REQUEST. PLEASE CONTACT THE ENGINEER OF RECORD WITH ANY QUESTIONS REGARDING THE SITE MAPSOR CALCULATIONS.GENERAL SWPPP NOTES FOR CONSTRUCTION ACTIVITY1.THE GENERAL CONTRACTOR SHALL BE RESPONSIBLE TO COMPLY WITH ALL ASPECTS OF THE NPDES CONSTRUCTION STORMWATER PERMIT AT ALL TIMES UNTIL THE NOTICE OF TERMINATION (NOT) HAS BEEN FILED WITH THEMPCA (FORM IS AVAILABLE FROM MPCA WEBSITE). THE CONTRACTOR SHALL DEVELOP A CHAIN OF COMMAND WITH ALL OPERATORS ON THE SITE TO ENSURE THAT THE SWPPP SHALL BE IMPLEMENTED AND STAY IN EFFECTUNTIL THE CONSTRUCTION PROJECT IS COMPLETE, THE ENTIRE SITE HAS UNDERGONE FINAL STABILIZATION, AND THE NOTICE OF TERMINATION (NOT) HAS BEEN SUBMITTED TO THE MPCA.2.THE CONTRACTOR SHALL PREPARE A WRITTEN, NOT ORAL, WEEKLY SCHEDULE OF PROPOSED EROSION CONTROL ACTIVITIES FOR THE PROJECT ENGINEER'S APPROVAL AS PER MNDOT SPEC. 1717.2C.3.IT IS NOT ANTICIPATED THAT THE CONTRACTOR WILL BE REQUIRED TO PERFORM BURNING OF ANY MATERIAL WITHIN PROJECT BOUNDARY.4.THE CONTRACTOR SHALL PLACE STABILIZED CONSTRUCTION EXITS, AS NECESSARY, TO PREVENT TRACKING OF SEDIMENT ONTO PAVED SURFACES AND IN COMPLIANCE WITH PART IV.C. OF THE NPDES PERMIT. STABILIZEDCONSTRUCTION EXITS SHALL BE SUFFICIENTLY SIZED AND MAINTAINED TO PREVENT TRACK OUT. STABILIZED CONSTRUCTION EXITS SHALL BE INCIDENTAL.5.ALL TOPSOIL IN DISTURBED AREAS SHALL BE REMOVED AND STOCKPILED FOR LATER PLACEMENT. AVOID COMPACTION AS MUCH AS IS FEASIBLE IN ALL AREAS WHERE COMPACTION IS NOT REQUIRED FOR CONSTRUCTION.COMPACTION SHALL BE AVOIDED IN ALL AREAS DESIGNATED FOR INFILTRATION.6.DO NOT DISTURB AREAS OUTSIDE OF THE CONSTRUCTION LIMITS. DELINEATE AREAS NOT TO BE DISTURBED PRIOR TO STARTING GROUND DISTURBING ACTIVITIES. IF IT BECOMES NECESSARY TO DISTURB AREAS OUTSIDE OF THECONSTRUCTION LIMITS OBTAIN WRITTEN PERMISSION PRIOR TO PROCEEDING. PRESERVE ALL BUFFERS (IF ANY) SHOWN ON THE PLANS.7.DIRECT DISCHARGES FROM BMPS TO VEGETATED AREAS AND ROUTE STORMWATER AROUND UNSTABILIZED AREAS OF THE SITE WHENEVER POSSIBLE. PROVIDE EROSION CONTROL AND VELOCITY DISSIPATION DEVICES ASNEEDED TO PREVENT EROSION AND NUISANCE CONDITIONS.8.PROVIDE STABILIZATION IN ANY TRENCHES CUT FOR DEWATERING OR SITE DRAINING PURPOSES.9.TEMPORARY DEWATERING ACTIVITIES MAY BE REQUIRED. THEREFORE, IT IS POSSIBLE THAT A PERMIT FOR THE TEMPORARY APPROPRIATION OF WATERS OF THE STATE FROM MNDNR SHALL BE REQUIRED FOR THIS PROJECT. THECONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING THIS PERMIT (FORMS ARE AVAILABLE FROM THE MNDNR WEBSITE). ALL TEMPORARY DEWATERING SHALL BE DISCHARGED TO AN APPROVED LOCATION FOR TREATMENTPRIOR TO DISCHARGE TO THE RECEIVING WATER. THE CONTRACTOR SHALL BE REQUIRED TO SUBMIT SITE MANAGEMENT PLANS TO THE PROJECT ENGINEER FOR APPROVAL PRIOR TO COMMENCING WORK ACCORDING TO SPEC1717.2D. TEMPORARY DEWATERING SHALL BE INCIDENTAL.10.BASIN DRAINING ACTIVITIES OF TURBID OR SEDIMENT LADEN WATER SHALL BE DISCHARGED TO TEMPORARY SEDIMENT BASINS WHENEVER POSSIBLE. IN THE EVENT THAT IT IS NOT POSSIBLE TO DISCHARGE THE SEDIMENT LADENWATER TO A TEMPORARY SEDIMENT BASIN THE WATER SHALL BE TREATED SO THAT IT DOES NOT CAUSE A NUISANCE CONDITION IN THE RECEIVING WATERS OR TO DOWNSTREAM LANDOWNERS.11.IT IS NOT ANTICIPATED THAT POLYMERS, FLOCCULANTS OR OTHER SEDIMENTATION TREATMENT CHEMICALS SHALL BE USED. HOWEVER, IF THE USE OF SUCH CHEMICALS BECOMES NECESSARY TO COMPLY WITH PERMITREQUIREMENTS, IT SHALL BE IN ACCORDANCE WITH THE NPDES PERMIT.POLLUTION PREVENTION NOTES1.THE CONTRACTOR SHALL COMPLY WITH THE REQUIREMENTS REGARDING POLLUTION PREVENTION MANAGEMENT DURING CONSTRUCTION, WHICH SHALL INCLUDE, BUT NOT BE LIMITED TO, PROVIDING THE FOLLOWING (ITEMSLISTED ARE INCIDENTAL):A.WASHOUT AREAS FOR CONCRETE, STUCCO, PAINT, FORM RELEASE OILS, CURING COMPOUNDS AND OTHER CONSTRUCTION MATERIALS FOR USE BY ALL SUBCONTRACTORS AND MATERIAL TESTING PERSONNEL. LOCATIONOF WASHOUT AREAS SHALL BE IDENTIFIED BY SIGNAGE AND SHALL BE AT LEAST 200 FT. FROM SITE MANAGEMENT PLAN REQUIREMENT AREAS (IF APPLICABLE) OR ENVIRONMENTALLY SENSITIVE AREAS, AND UTILIZE ALEAK-PROOF CONTAINMENT FACILITY OR IMPERMEABLE LINER THAT PREVENTS RUNOFF ONTO ADJACENT SOILS. AN ENGINEERED COLLECTION SYSTEM CAN ALSO BE USED IF IT IS APPROVED BY THE PROJECT ENGINEER.B.THE CONTRACTOR SHALL OBTAIN APPROVAL FROM THE PROJECT ENGINEER FOR A CHEMICAL STORAGE AREA AND SHALL DESIGNATE AN AREA FOR FUELING AND MINOR MAINTENANCE OF CONSTRUCTION VEHICLES(INCLUDING WASHING) WITH MEANS TO CAPTURE ANY FUEL SPILLS. RUNOFF SHALL BE CONTAINED IN A TEMPORARY SEDIMENT BASIN OR OTHER EFFECTIVE CONTROL AND ALL WASTE GENERATED SHALL BE PROPERLYDISPOSED OF. NO ENGINE DEGREASING IS ALLOWED ON SITE.C.SOLID WASTE COLLECTION AND REMOVAL.D.SECONDARY CONTAINMENT FOR STORAGE OF HAZARDOUS MATERIALS.E.SECURED HAZARDOUS WASTE STORAGE CONTAINERSF.CHEMICAL SPILL KITS (SHALL BE PROVIDED AT EACH LOCATION WHERE CHEMICALS ARE USED OR STORED AND ANY LOCATION WHERE VEHICLES ARE FUELED OR MAINTAINED).G.PORTABLE RESTROOM FACILITIES THAT ARE ANCHORED TO PREVENT TIPPING2.CHEMICALS SHALL BE KEPT IN A SECURE STORAGE AREA WITH RESTRICTED ACCESS IN SEALED CONTAINERS WHEN NOT IN USE. RETURN ALL CHEMICALS TO THE DESIGNATED STORAGE AREA BY THE END OF THE DAY UNLESSINFEASIBLE. CHEMICAL STORAGE CONTAINERS SHALL HAVE SECONDARY CONTAINMENT WHEN BEING USED OR STORED ON THE PROJECT SITE, AND PRODUCTS OR CHEMICALS THAT MAY LEACH POLLUTANTS SHALL BE UNDERCOVER (PLASTIC SHEETING OR TEMPORARY ROOF). CHEMICAL SPILLS OF ANY KIND (OIL, FUEL, FERTILIZER, ETC.) SHALL BE CLEANED UP AND REMOVED FROM THE SITE IMMEDIATELY. THE CONTRACTOR SHALL HAVE A SPILL KIT ONSITE AT ALL TIMES.STORM WATER POLLUTION PREVENTION PLAN (SWPPP) NARRATIVESHEETSHEET TITLEPROJECT INFODRAWN:DESIGNED:CHECKED:PROJECT NO:ISSUE RECORDSignature Name:Date:Lic. No.:DENNIS PROPERTIES2214 FIFTH STREET, UNIT 3,WHITE BEAR LAKE, MN 55110651-247-7007Print Name:CERTIFICATIONSignature Name:Date:Lic. No.:PREPARED FORPROJECTPrint Name:I hereby certify that this plan, specification, orreport was prepared by me or under my directsupervision and that I am a duly LicensedProfessional Engineer under the laws of theState of Minnesota.3701 WAYZATA BOULEVARDSUITE 100MINNEAPOLIS, MN 55416-3791PH: 763-475-0010www.srfconsulting.comNO. DATE DESCRIPTION010-22-2021CITY SUBMITTAL103-18-2022CITY RESUBMITTALDOWNTOWN HUGO
<br />NORTHEAST CORNER OF HIGHWAY 61 / 146TH STREET N,
<br />HUGO, MN 55038
<br />P. SCHROEDER14356.00N. SCHAUFENBUELN. SCHAUFENBUELP. SCHROEDERXXXXX25721MICHAEL C. AARONPHASE 1 -SWPPP NOTESC3.3
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