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SOIL TYPESSOIL TYPES TYPICALLY FOUND ON THIS PROJECT ARE SAND AND LOAMY SAND.HAMLINE AVE: ADA IMPROVEMENTS FOR EXISTING TRAIL AND SIDEWALK CROSSING AT WYNCREST COURT AND HAMLINE AVE AND ROUTE 37 TRAIL (FLORA PARK) AND HAMLINE AVE. CENTER MEDIAN PEDESTRIAN REFUGES ARE BEING CONSTRUCTED AT BOTH LOCATIONS TO PROVIDE PROTECTION FOR PEDESTRIANS AND BICYCLISTS BUT TO ALSO ALERT THE DRIVER THAT THERE IS A CHANGE IN THE ROADWAY USAGE AT THESE LOCATIONS. PEDESTRIAN CURB RAMPS ARE BEING MOVED FROM THE NE AND NW QUADRANTS TO THE SE AND SW QUADRANTS AT WYNCREST CT.PARKING LOT: ADA IMPROVEMENTS, PAVEMENT REPLACEMENT, CURB AND GUTTER REPLACEMENT, AND IMPROVED OVERLAND DRAINAGE FACILITIES. SIDEWALK, CURB AND GUTTER, AND BITUMINOUS PAVEMENT ARE IN THE POOR CONDITION AND ARE IN NEED OF IMPROVEMENTS IN THE FORM OF REPLACEMENT. ALL DRAINAGE ON SITE FLOWS ACROSS THE PARING LOT TO THE EAST AND NORTH SIDES OF THE PARKING LOT AND DRAIN OUT THE CURB CUTS AND CONCRETE FLUMES INTO RIPRAP CLASS II.SHOREWOOD DRIVE: DRAINAGE IMPROVEMENTS TO THE RESIDENTS DRIVEWAY AND CITY INFRASTRUCTURE. A SECOND DRAINAGE INLET WILL BE ADDED TO HELP MITIGATE THE CURRENT FLOODING EXTENTS OF THE SITE.THIS SWPPP WAS PREPARED BY PERSONNEL THAT ARE CERTIFIED IN THE DESIGN OF CONSTRUCTION SWPPPS. COPIES OF THE CERTIFICATIONS CAN BE AVAILABLE UPONREQUEST.PROVIDE A CERTIFIED EROSION CONTROL SUPERVISOR IN GOOD STANDING WHO IS KNOWLEDGEABLE AND EXPERIENCED IN THE APPLICATION OF EROSION PREVENTION ANDSEDIMENT CONTROL BEST MANAGEMENT PRACTICES. THE EROSION CONTROL SUPERVISOR WILL WORK WITH THE PROJECT ENGINEER TO OVERSEE THE IMPLEMENTATION OFTHE SWPPP AND THE INSTALLATION, INSPECTION, AND MAINTENANCE OF THE EROSION PREVENTION AND SEDIMENT CONTROL BMPS BEFORE, DURING AND AFTERCONSTRUCTION UNTIL THE NOTICE OF TERMINATION (NOT) HAS BEEN FILED WITH THE MPCA. PROVIDE PROOF OF CERTIFICATION AT THE PRECONSTRUCTION MEETING. WORKWILL NOT BE ALLOWED TO COMMENCE UNTIL PROOF OF CERTIFICATION HAS BEEN PROVIDED TO THE PROJECT ENGINEER.PROVIDE AT LEAST ONE CERTIFIED INSTALLER FOR EACH CONTRACTOR OR SUBCONTRACTOR THAT INSTALLS THE PRODUCTS LISTED INSPECIFICATION SECTION 01536. PROVIDE PROOF OF CERTIFICATION AT THE PRECONSTRUCTION MEETING. WORK WILL NOT BEALLOWED TO COMMENCE UNTIL PROOF OF CERTIFICATION HAS BEEN PROVIDED TO THE PROJECT ENGINEER.DESCRIPTIONLOCATIONTEMPORARY EROSION CONTROL MEASURESPERMANENT EROSION CONTROL MEASURESDIRECTION OF FLOWFINAL STABILIZATIONSOILS AND CONSTRUCTION NOTESEROSION AND SEDIMENT CONTROL DETAILSSITE MAPWATER RESOURCES NOTESINSPECT THE ENTIRE CONSTRUCTION SITE A MINIMUM OF ONCE EVERY DAY DURING ACTIVE CONSTRUCTION AND WITHIN 24 HOURS AFTER A RAINFALLEVENT GREATER THAN 0.5 INCHES IN 24 HOURS. INSPECT ALL TEMPORARY AND PERMANENT WATER QUALITY MANAGEMENT, EROSION PREVENTIONAND SEDIMENT CONTROL BMPS UNTIL THE SITE HAS UNDERGONE FINAL STABILIZATION. INSPECT SURFACE WATER INCLUDING DRAINAGE DITCHESFOR SIGNS OF EROSION AND SEDIMENT DEPOSITION. INSPECT CONSTRUCTION SITE VEHICLE EXIT LOCATIONS FOR EVIDENCE OF TRACKING ONTOPAVED SURFACES. INSPECT SURROUNDING PROPERTIES FOR EVIDENCE OF OFF SITE SEDIMENT ACCUMULATION.RECORD ALL INSPECTIONS AND MAINTENANCE ACTIVITIES IN WRITING WITHIN 24 HOURS. SUBMIT INSPECTION REPORTS IN A FORMAT THAT ISACCEPTABLE TO THE PROJECT ENGINEER. INCLUDE THE FOLLOWING IN THE RECORDS OF EACH INSPECTION AND MAINTENANCE ACTIVITY:A. DATE AND TIME OF INSPECTIONSB. NAME OF PERSONS CONDUCTING INSPECTIONSC. FINDINGS OF INSPECTIONS, INCLUDING RECOMMENDATIONS FOR CORRECTIVE ACTIONSD. CORRECTIVE ACTIONS TAKEN, INCLUDING DATES, TIMES, AND PARTY COMPLETING MAINTENANCE ACTIVITIESE. DATE AND AMOUNT OF ALL RAINFALL EVENTS GREATER THAN 0.5 INCH IN 24 HOURSF. DOCUMENTS AND CHANGES MADE TO THE SWPPPREPLACE, REPAIR OR SUPPLEMENT ALL NONFUNCTIONAL BMPS BY THE END OF THE NEXT BUSINESS DAY FOLLOWING DISCOVERY UNLESS LISTEDDIFFERENTLY BELOW:A. REPAIR, REPLACE, OR SUPPLEMENT PERIMETER CONTROL DEVICES WHEN IT BECOMES NONFUNCTIONAL OR SEDIMENT REACHES 1/2 THE HEIGHT OF THE DEVICE. COMPLETE REPAIRS BY THE END OF THE NEXT BUSINESS DAY FOLLOWING DISCOVERY.B. REPAIR OR REPLACE INLET PROTECTION DEVICES WHEN THEY BECOME NONFUNCTIONAL OR SEDIMENT REACHES 1/2 THE HEIGHT AND/OR DEPTH OF THE DEVICE.C. DRAIN AND REMOVE SEDIMENT FROM TEMPORARY AND PERMANENT SEDIMENT BASINS ONCE THE SEDIMENT HAS REACHED 1/2 THE STORAGE VOLUME. COMPLETE WORK WITHIN 72 HOURS OF DISCOVERY.D. REMOVE ALL DELTAS AND SEDIMENT DEPOSITED IN SURFACE WATERS INCLUDING DRAINAGE WAYS, CATCH BASINS, AND OTHER DRAINAGE SYSTEMS. RESTABILIZE ANY AREAS THAT ARE DISTURBED BY SEDIMENT REMOVAL OPERATIONS. SEDIMENT REMOVAL AND STABILIZATION MUST BE COMPLETED WITHIN 7 DAYS OF DISCOVERY. PREPARE AND SUBMIT A SITE MANAGEMENT PLAN FOR WORKING IN SURFACE WATERS. CONTACT ALL APPROPRIATE AUTHORITIES PRIOR TO WORKING IN SURFACE WATERS.E. REMOVE TRACKED SEDIMENT FROM PAVED SURFACES BOTH ON AND OFF SITE WITHIN 24 HOURS OF DISCOVERY. STREET SWEEPING MAY HAVE TO OCCUR MORE OFTEN TO MINIMIZE OFF SITE IMPACTS. LIGHTLY WET THE PAVEMENT PRIOR TO SWEEPING.F. MAINTAIN ALL BMPS UNTIL WORK HAS BEEN COMPLETED AND THE SITE HAS GONE UNDER FINAL STABILIZATION.THERE ARE NO STORMWATER MITIGATION MEASURES REQUIRED AS A RESULT OF AN ENVIRONMENTAL, ARCHEOLOGICAL OR AGENCY REVIEW. ALLMITIGATION MEASURES HAVE BEEN ADDRESSED IN THIS PLAN SET OR THE SPECIAL PROVISIONS.THIS PROJECT IS LOCATED IN A WELL HEAD PROTECTION AREA.THIS PROJECT IS LOCATED IN A DRINKING WATER SUPPLY MANAGEMENT AREA (DWSMA). THE DWSMA VULNERABILITY IS CLASSIFIED AS LOW.LOCATIONSTORM WATER POLLUTION PREVENTION PLAN (SWPPP) NARRATIVEPROJECT DESCRIPTION/LOCATIONRECEIVING WATERSPECIAL WATERINVASIVETMDLTROUTAREAS OF ENVIRONMENTAL SENSITIVITY (AES) AND INFESTED WATERSPROJECT PERSONNEL AND TRAININGPROJECT CONTACTSORGANIZATIONPHONECONTACT NAMEENVIRONMENTAL REVIEWSITE INSPECTION AND MAINTENANCELOCATION OF SWPPP REQUIREMENTSLOCATION OF SWPPP REQUIREMENTS IN PROJECT PLANMPCA DUTY OFFICER 24 HOUR EMERGENCY NOTIFICATION:651-649-5451 OR 800-422-0798TOTAL DISTURBED AREATOTAL IMPERVIOUS SURFACE AREA2,500 sq ft2,250 sq ft 250 sq ftLAND FEATURE CHANGESIN ADDITION TO THE LIST OF SPECIAL AND IMPAIRED WATERS THE CONTRACTOR SHALL BE AWARE THAT THERE ARE WETLANDS WITHIN AND NEAR THE PROJECTBOUNDARY.IMPAIRED WATERTHE REQUIRED SWPPP ELEMENTS MAY BE LOCATED IN MANY PLACES WITHIN THE PLAN SET AS WELL AS IN THE SPECIFICATION.THE NOTES AND TABLE BELOW ARE INTENDED TO BE A QUICK REFERENCE FOR THE CONTRACTOR TOUSE IN THE FIELD. THERE MAY BE ADDITIONAL REQUIRED SWPPP ELEMENTS INCLUDED ON THE PROJECT THAT ARE NOT LISTEDON THIS SHEET.RECEIVING WATERS(A)CONSTRUCTION RELATED IMPAIRMENT, (B) NON-CONSTRUCTION RELATED IMPAIRMENT.THE CONTRACTOR IS RESPONSIBLE FOR IMPLEMENTATION OF THE SWPPP AND INSTALLATION, INSPECTION, AND MAINTENANCE OF THE EROSION PREVENTION AND SEDIMENTCONTROL BMPS BEFORE, DURING AND AFTER CONSTRUCTION.THE RECEIVING WATERS LISTED IN THE TABLE ABOVE ARE LOCATED WITHIN ONE MILE (AERIAL RADIUS) OF THE PROJECT LIMITS AND RECEIVE RUNOFF FROM THEPROJECT SITE. THE IMPAIRED WATERS (LISTED IN TABLE ABOVE) ARE IMPAIRED FOR (A) CONSTRUCTION RELATED AND/OR (B) NON-CONSTRUCTION RELATEDIMPAIRMENTS. CONSTRUCTION RELATED IMPAIRMENTS MAY REQUIRE ADDITIONAL BMPS AS OUTLINED IN APPENDIX A OF THE NPDES PERMIT.TOTAL PERVIOUS SURFACE AREA 60 sq ftTOTAL PROPOSED NET CHANGE IN IMPERVIOUS SURFACE AREADAVID SWEARINGREN 651-792-7847CITY OF ARDEN HILLS, ASSISTANT CITY ENGINEERCITY OF ARDEN HILLS, PUBLIC WORKS DIRECTOR/CITY ENGINEERTODD BLOMSTROM651-792-784617-19, 27-3016, 29, 3027, 285, 29, 3216-19, 301LAKE JOHANNACITY OF ARDEN HILLS NONONO NO NOHR GREEN, PROJECT ENGINEER JORDAN HOREJSI651-659-7716LITTLE JOHANNA LAKE CITY OF ARDEN HILLS NOYESNO NO NOCREEK AUID 07010206-609CITY OF ARDEN HILLS NOYESNO NO NOOASIS LAKECITY OF ARDEN HILLS NONONO NO NOKARTH LAKELAKE AUID 62 0199 00CITY OF ARDEN HILLS NONONO NO NOCITY OF ARDEN HILLS NONONO NO NOLAKE MARTHA CITY OF SHOREVIEW NONONO NO NOROUND LAKECITY OF ARDEN HILLS NONONO NO NONOYESNO NO NOVALENTINE LAKECITY OF ARDEN HILLS16, 29, 3031-33COURT INTERNATIONAL BUILDING2550 UNIVERSITY AVENUE W., SUITE 400NST. PAUL, MINNESOTA 55114-1052P: 651.644.4389 F: 651.644.9446J:\2019\191557.01\CAD\Dwgs\Sheets\44.dwg1/18/2021 2:35:01 PMXrefs: xgt-1-dh01-bdr-full <br />06/22/2006/22/20