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PROJECT NARRATIVE OTHER NOTES: MECHANICAL AND NON STORMWATER P E R K I N
<br /> 1. LONG TERM MAINTENANCE OF THE SITE WILL DISCHARGES, EXISTING AND PROPOSED
<br /> THE PROJECT IS LOCATED SOUTH OF COUNTY ROAD F WEST, BETWEEN HAMLINE AVENUE AND LEXINGTON BE PERFORMED BY LAND O'LAKES AS + W
<br /> AVENUE NORTH. THE PROPERTY IS APPROXIMATELY 48.87 ACRES. THE APPROXIMATE DISTURBED AREA IS 22.9 OUTLINED IN THE RECORDED MAINTENANCE 1. WATER LINE FLUSHING I L L
<br /> ACRES. THE EXISTING IMPERVIOUS AREAS, A BITUMINOUS PARKING LOT, AND CONCRETE SIDEWALKS, TOTAL AGREEMENT WITH RICE CREEK WATERSHED 2. LANDSCAPE IRRIGATION
<br /> 0.65 ACRES. STORMWATER RUNOFF FROM THE EXISTING SITE SHEETS FLOWS TO THE SOUTHEAST WETLAND, DISTRICT. 3. DISCHARGE FROM POTABLE WATER SOURCES
<br /> TO THE EXISTING ONSITE DRAINAGE POND, TO COUNTY ROAD F WEST, TO MN/DOT RIGHT OF WAY, AND TO 4. FOUNDATION DRAINS 84 10th St.South
<br /> ONSITE RAIN GARDENS. 2. THIS SWPPP WAS PREPARED BY PERSONNEL 5. FLOWS FROM RIPARIAN HABITATS AND Suite 200
<br /> Minneapolis,MN 55403
<br /> .
<br /> THE PROPOSED DEVELOPMENT INCLUDES THE CONSTRUCTION OF A BITUMINOUS PARKING AREA AND 6 STREET WASH WATERS THAT ARE CERTIFIED IN THE DESIGN OF WETLANDS Minnea p
<br /> CONSTRUCTION SWPPPS. COPIES OF THE t 612.851.5000
<br /> SIDEWALKS. THE PROPOSED NEW/REDEVELOPED IMPERVIOUS AREA IS APPROXIMATELY 16.2 ACRES. 7. RESIDENTIAL BUILDING WASH WATERS WITHOUT
<br /> STORMWATER RUNOFF FROM THE PARKING AREAS WILL BE DIRECTED TO ONSITE STORM SEWER. THE STORM CERTIFICATIONS ARE ON FILE WITH BKBM AND DETERGENTS. f 612.851.5001
<br /> SEWER DIRECTS STORMWATER TO FILTRATION TANK SYSTEMS LOCATED UNDER THE PARKING AREA. ARE AVAILABLE UPON REQUEST. www.perkinswill.com
<br /> 3. THIS SWPPP DOCUMENT MUST BE AMENDED AS CONSULTANTS
<br /> NECESSARY DURING CONSTRUCTION IN ORDER
<br /> TO KEEP IT CURRENT WITH THE POLLUTANT
<br /> civiusTRucTURaL
<br /> CONTROL MEASURES UTILIZED AS THE SITE.
<br /> - - -- THE SITE MAP SHOWING LOCATIONS OF ALL
<br /> STORM WATER CONTROLS MUST BE POSTED ON
<br /> THE SITE AND UPDATED TO REFLECT THE BKBM
<br /> PROGRESS OF CONSTRUCTION.
<br /> ENGINEERS
<br /> # r V CONTACTS — —
<br /> _ M -�- * CITY OF ARDEN HILLS
<br /> POLLUTION PREVENTION ENGINEERING DEPARTMENT
<br /> MANAGEMENT MEASURES PHONE: (651) 792-7800 5930 Brooklyn Boulevard
<br /> P _ Minneapolis, MN 55429-2518
<br /> 1 SOLID WASTE DISPOSED PROPERLY; COMPLY WITH (763) 843-0420 Fax: (763) 843-0421
<br /> I r ~ MPCA REQUIREMENTS. MINNESOTA POLLUTION CONTROL AGENCY
<br /> WON
<br /> r * HAZARDOUS WASTE STORED (SECONDARY PHONE: (651) 296-6300 www.bkbm.com
<br /> I, �* A+or- � - CONTAINMENT, RESTRICTED ACCESS) AND DISPOSED
<br /> p ,+ IN COMPLIANCE WITH MPCA REQUIREMENTS. RICE CREEK WATERSHED DISTRICT MICHAUD COOLEY
<br /> EXTERNAL WASHING OF TRUCKS AND OTHER PHONE: (763) 398-3070 ERICKSON
<br /> CONSTRUCTION VEHICLES MUST BE LIMITED TO A
<br /> DEFINED AREA OF THE SITE. RUNOFF MUST BE OWNER 333 SOUTH SEVENTH STREET,SUITE 1200
<br /> wt - CONTAINED AND WASTE PROPERLY DISPOSED. LAND ND OEXINGTON AVE. N. MINNEAPOLIS,MN 55402
<br /> - NO ENGINE DEGREASING ALLOWED ON—SITE. www.michaudcooley.com
<br /> 4 ARDEN HILLS, MN 55126 y
<br /> * y CONCRETE WASHOUT ON—SITE: ALL LIQUID AND PHONE: (651) 375-2222 P:612.339.4941
<br /> L SOLID WASTES GENERATED BY CONCRETE WASHOUT
<br /> '• ' ' '" OPERATIONS MUST BE CONTAINED IN A
<br /> LEAK—PROOF CONTAINMENT FACILITY OR
<br /> IMPERMEABLE LINER. A COMPACTED CLAY LINER
<br /> y THAT DOES NOT ALLOW LIQUIDS TO ENTER GROUND
<br /> WATER IS CONSIDERED AN IMPERMEABLE LINER. THE NOTE:
<br /> LIQUID AND SOLID WASTES MUST NOT CONTACT THE THE CONTRACTOR MUST COMPLETE, SIGN, OBTAIN
<br /> GROUND, AND THERE MUST NOT BE RUNOFF FROM OWNERS SIGNATURE, PAY FEE, AND SEND IN THE
<br /> THE CONCRETE WASHOUT OPERATIONS OR AREAS. NPDES PERMIT APPLICATION. CONTRACTOR SHALL
<br /> � _ TLIQUID AND SOLID WASTES MUST BE DISPOSED OF PROVIDE A CERTIFIED EROSION CONTROL
<br /> ' r PROPERLY AND IN COMPLIANCE WITH MPCA SUPERVISOR. SWPPP DOCUMENTATION, INCLUDING
<br /> IL REGULATIONS. A SIGN MUST BE INSTALLED INSPECTION REPORTS SHALL BE RETAINED FOR A
<br /> ADJACENT TO EACH WASHOUT FACILITY TO INFORM PERIOD OF THREE (3) YEARS. DESIGN
<br /> All'
<br /> T y - CONCRETE EQUIPMENT OPERATORS TO UTILIZE THE CALCULATIONS ARE ON FILE AT BKBM.
<br /> PROPER FACILITIES. THE CONCRETE WASHOUT AREA
<br /> INDICATED ON THE PLANS IS SHOWN IN AN THE OWNER AND CONTRACTOR ARE RESPONSIBLE
<br /> ' APPROXIMATE LOCATION. PRIOR TO THE START OF FOR IMPLEMENTATION OF THE SWPPP AND
<br /> ` *'• � � °�l CONSTRUCTION, THE CONTRACTOR SHALL DETERMINE INSTALLATION, INSPECTION, AND MAINTENANCE OF
<br /> THE EXACT LOCATION IN ACCORDANCE WITH MPCA THE EROSION PREVENTION AND SEDIMENT
<br /> I; ! REQUIREMENTS. CONTROL AFTER
<br /> CONSTRUCTIONS� O RE, DURING, D UNTILTHE NOTICE OF TERMINATION
<br /> HAS BEEN FILED.
<br /> 000
<br /> _ A
<br /> 4
<br /> LIL ft Im.0. PUD
<br /> HANDLING AND STORAGE OF HAZARDOUS
<br /> MATERIALS: STOCKPILES: APPLICATION
<br /> SITE MAP IF THE CONTRACTOR INTENDS TO USE POLYMERS, ON—SITE STOCKPILES OF SOIL SHALL HAVE MAY 02 2016
<br /> FLOCCULANTS, OR OTHER SEDIMENTATION TREATMENT PERIMETER SEDIMENT CONTROL. STOCKPILES SHALL 7
<br /> CHEMICALS ON THE PROJECT SITE, THE BE STABILIZED WITH BLANKETS, TARPS, OR HYDRO
<br /> A R D E N HI S , M N CONTRACTOR MUST COMPLY WITH THE FOLLOWING MULCH IF LEFT ON—SITE FOR MORE THAN 7 DAYS.
<br /> MINIMUM REQUIREMENTS:
<br /> SPECIAL AND IMPAIRED WATERS 1. THE CONTRACTOR MUST USE CONVENTIONAL
<br /> EROSION AND SEDIMENT CONTROLS PRIOR TO
<br /> THESE SPECIAL AND IMPAIRED WATERS ARE CHEMICAL ADDITION TO ENSURE EFFECTIVE
<br /> LOCATED WITHIN ONE MILE (AERIAL RADIUS) OF TREATMENT. CHEMICALS MAY ONLY BE APPLIED TEMPORARY SEDIMENT BASINS:
<br /> THE PROJECT LIMITS AND RECEIVE RUNOFF FROM WHERE TREATED STORMWATER IS DIRECTED TO A TEMPORARY SEDIMENT BASINS SHALL BE PROVIDED
<br /> THE PROJECT SITE. DUE TO THE PROXIMITY OF SEDIMENT CONTROL SYSTEM WHICH ALLOWS FOR PER APPENDIX A, SECTION C.1.8 OF THE MPCA
<br /> THESE SPECIAL ADN IMPAIRED WATERS, THE BMPS FILTRATION OR SETTLEMENT OF THE FLOC PRIOR GENERAL STORMWATER PERMIT. NOT FOR
<br /> DESCRIBED IN APPENDIX A OF THE NPDES PERMIT TO DISCHARGE.
<br /> WILL APPLY TO ALL AREAS OF THE SITE. 2. CHEMICALS MUST BE SELECTED THAT ARE ENGINEER ANTICIPATES THAT, PRIOR TO CONSTRUCTION
<br /> APPROPRIATELY SUITED TO THE TYPES OF SOILS INSTALLATION OF FILTRATION MEDIA AND DRAIN TILE,
<br /> WATERBODY IMPAIRMENT(S) LIKELY TO BE EXPOSED DURING CONSTRUCTION, CONTRACTOR WILL USE PROPOSED FILTRATION
<br /> NUTRIENT/EUTROPHICATION AND TO THE EXPECTED TURBIDITY, PH AND BASINS AS TEMPORARY SEDIMENT BASINS.
<br /> VALENTINE LAKE BIOLOGICAL INDICATORS FLOW RATE OF STORMWATER FLOWING INTO THE CONTRACTOR SHALL EXCAVATE TEMPORARY BASINS
<br /> MERCURY IN FISH TISSUE, CHEMICAL TREATMENT SYSTEM OR AREA. AND CLAY LINE PRIOR TO USE. SURFACE WATER
<br /> SHALL BE REMOVED BY SKIMMER DEVICE SUCH AS
<br /> ISLAND LAKE NUTRIENT/EUTOPHICATION LAND O'LAKES
<br /> 3. CHEMICALS MUST BE USED IN ACCORDANCE FAIRCLOTH SKIMMER OR THIRST DUCK, OR USING A
<br /> BIOLOGICAL INDICATORS WITH ACCEPTED ENGINEERING PRACTICES, AND SEDIMENT BASINSFILTER.
<br /> ALTELL RNATIVE
<br /> TEMPORARY D BY HEADQUARTERS
<br /> WITH DOSING SPECIFICATIONS AND SEDIMENT ENGINEER PRIOR TO USE.
<br /> REMOVAL DESIGN SPECIFICATIONS PROVIDED BY CONSOLIDATION
<br /> THE MANUFACTURER OR PROVIDER/SUPPLIER OF IN LIEU OF USING TEMPORARY SEDIMENT BASINS,
<br /> THE APPLICABLE CHEMICALS. THE CONTRACTOR MAY PHASE THEIR CONSTRUCTION
<br /> ON—SITE FUEL TANKS REQUIRE SECONDARY SO THAT NOT MORE THAN 5 ACRES OF AREA IS
<br /> CONTAINMENT AS REQUIRED BY THE PERMIT. DISTURBED AT ONE TIME. FULL STABILIZATION OF
<br /> PORTABLE FUEL TRUCKS SHALL HAVE THEIR SPILL THE DISTURBED AREA IS REQUIRED PRIOR TO
<br /> KITS AVAILABLE DURING FUELING. SPILLS GREATER DISTURBING ADDITIONAL AREAS.
<br /> THAN 5 GALLONS MUST BE REPORTED TO THE
<br /> PROPER AUTHORITIES.
<br /> CONSTRUCTION ACTIVITY EROSION
<br /> PREVENTION PRACTICES
<br /> NOTE: CONTRACTOR SHALL STABILIZE ALL EXPOSED SOIL
<br /> AREAS (INCLUDING STOCKPILES). STABILIZATION
<br /> THE STORM WATER POLLUTION PREVENTION PLAN MUST BE INITIATED IMMEDIATELY TO LIMIT SOIL
<br /> FOR THIS PROJECT INCLUDES THE CIVIL EROSION WHENEVER ANY CONSTRUCTION ACTIVITY
<br /> ENGINEERING PLANS AND THE PROJECT MANUAL. HAS PERMANENTLY OR TEMPORARILY CEASED ON
<br /> CONTRACTOR TO SUPPLY CONSTRUCTION PHASING ANY PORTION OF THE SITE AND WILL NOT RESUME
<br /> FOR A PERIOD EXCEEDING 7 CALENDAR DAYS.
<br /> NARRATIVE, ESTIMATED PRELIMINARY QUANTITIES OF
<br /> STABILIZATION MUST BE COMPLETED NO LATER
<br /> ALL EROSION PREVENTION AND SEDIMENT CONTROL
<br /> BMP'S ANTICIPATED AT THE START OF THE THAN 7 CALENDAR DAYS AFTER THE
<br /> PROJECT AND FOR THE LIFE OF THE PROJECT, CONSTRUCTION ACTIVITY IN THAT PORTION OF THE
<br /> SITE HAS TEMPORARILY OR PERMANENTLY CEASED.
<br /> AND LOCATION OF AREAS WHERE CONSTRUCTION LAND O'LAKES
<br /> WILL BE PHASED TO MINIMIZE DURATION OF FOR PUBLIC WATER THAT THE DNR HAS
<br /> EXPOSED SOIL AREAS. CONTRACTOR IS TO PROMULGATED "WORK IN WATER RESTRICTIONS" 4001 Lexington Ave N.
<br /> REVIEW MINNESOTA POLLUTION CONTROL AGENCY'S g
<br /> INSTRUCTIONS FOR THE APPLICATION FOR DURING SPECIFIED FISH SPAWNING TIME FRAMES,
<br /> MINNESOTA's NPDES/SDS GENERAL STORMWATER ALL EXPOSED SOIL AREAS THAT ARE WITHIN 200 Arden Hills, MN 55126
<br /> PERMIT FOR CONSTRUCTION ACTIVITY PRIOR TO FEET OF THE WATER'S EDGE, AND DRAIN TO KEYPLAN
<br /> SUBMITTING APPLICATION. THESE WATERS MUST COMPLETE THE STABILIZATION
<br /> ACTIVES WITHIN 24 HOURS DURING THE
<br /> RESTRICTION PERIOD.
<br /> PIPE OUTLETS MUST BE PROVIDED WITH
<br /> TEMPORARY OR PERMANENT ENERGY DISSIPATION
<br /> GRADING & SOILS WITHIN 24—HOURS AFTER CONNECTION TO A
<br /> BASED ON SOIL BORING(S) PROVIDED BY AMERICAN SURFACE WATER.
<br /> ENGINEERING TESTING SOILS TYPICALLY FOUND ON SEDIMENT CONTROL MEASURES MUST BE INSTALLED
<br /> THIS PROJECT ARE: SM, SC, AND CL ON ALL DOWN GRADIENT PERIMETERS BEFORE ANY
<br /> UPGRADIENT LAND DISTURBING ACTIVITIES BEGIN.
<br /> REFER TO THE GEOTECHNICAL REPORT FOR
<br /> ADDITIONAL INFORMATION.
<br /> INSPECTIONS ISSUE CHART
<br /> SEDIMENT AND EROSION CONTROL EXPOSED SOIL AREAS: ONCE EVERY 7 DAYS AND
<br /> MAINTENANCE WITHIN 24 HOURS FOLLOWING A 1/2 INCH OVER MARK ISSUE I DATE
<br /> PERIMETER SEDIMENT CONTROL PRACTICES: WHEN 24 HOURS RAIN EVENT.
<br /> SEDIMENT REACHES 1/3 THE HEIGHT OF THE STABILIZED AREAS: ONCE EVERY 30 DAYS.
<br /> BMP, THE SEDIMENT MUST BE REMOVED WITHIN FROZEN GROUND: AS SOON AS RUNOFF OCCURS
<br /> 24 HOURS. IF PERIMETER SEDIMENT CONTROL OR PRIOR TO RESUMING CONSTRUCTION.
<br /> HAS BEEN DAMAGED OR IS NOT FUNCTIONING RECORDS: A COPY OF THE GRADING, DRAINAGE
<br /> PROPERLY, IT MUST BE REPAIRED AND/OR EROSION CONTROL PLAN AND WATERSHED DATA &
<br /> REPLACED WITHIN 24 HOURS. PERIMETER BMP SWPPP PLANS AS WELL AS THE
<br /> MEASURES MAY INCLUDE SILT FENCING. INSPECTIONS/MAINTENANCE LOGS ARE TO BE KEPT
<br /> CONSTRUCTION SITE VEHICLE EXIT LOCATIONS: EITHER IN THE FIELD OFFICE, INSPECTOR'S
<br /> ALL TRACKED SEDIMENT ONTO PAVED SURFACES VEHICLE OR CONTRACTOR'S VEHICLE. I hereby certify that this plan, specification
<br /> MUST BE REMOVED WITHIN 24 HOURS OF or report was prepared by me or under
<br /> DISCOVERY OR MORE FREQUENTLY IF REQUIRED direct supervision and that I am a dui
<br /> BY CITY OR WATERSHED. m y su p y
<br /> CONSTRUCTION SITE DEWATERING: Licensed Professional Engineer under the
<br /> THE CONTRACTOR SHALL BE RESPONSIBLE FOR PORTABLE TOILET NOTES: laws of the state of Minnesota.
<br /> OBTAINING ALL DEWATERING PERMITS. DISCHARGE
<br /> FROM ALL DEWATERING OPERATIONS SHALL BE 1. PORTABLE TOILETS POSE AN ENVIRONMENTAL
<br /> DIRECTED TO ON—SITE DEPRESSIONS. NO HAZARD WHEN PLACED IN THE VICINITY OF
<br /> DISCHARGE FROM DEWATERING OPERATIONS SHALL STORM DRAINS OR BODIES OF WATER.
<br /> BE DIRECTED OFF—SITE TOWARDS A WATER OF PORTABLE TOILET CLEANING ACTIVITIES CAN KEVIN A.BOHL
<br /> THE STATE. ALSO GENERATE POLLUTANTS THAT CAN Date 05-02-2016 Lic.No. 52209
<br /> DEGRADE WATER QUALITY. Job Number 15401
<br /> 2. PORTABLE TOILET PLACEMENT:
<br /> 2.1. PLACE PORTABLE TOILETS ON FLAT STABLE Drawn WH-NA
<br /> GROUND WITH CLEAR ACCESS TO THE
<br /> FINAL STABILIZATION UNITS. Checked TJC
<br /> STABILIZATION BY UNIFORM PERENNIAL 2.2. LOCATE TOILETS A MINIMUM OF 20 FEET Approved KAB
<br /> VEGETATIVE COVER (70% DENSITY) FROM ANY WATER BODY AND 10 FEET
<br /> FROM ANY CURB AND GUTTER. IF
<br /> DRAINAGE DITCHES STABILIZED. UNFEASIBLE, AN EARTHERN BERM OR SAND
<br /> ALL TEMPORARY SYNTHETIC AND STRUCTURAL BAG BERM SHALL BE PLACED AROUND THE STORM WATER
<br /> BMP'S REMOVED. UNIT FOR SPILL AND LEAK CONTAINMENT.
<br /> C 2.3. AVOID PLACING TOILETS ON IMPERVIOUS
<br /> LEAN OUT SEDIMENT FROM CONVEYANCES AND POLLUTION
<br /> SURFACES THAT WILL QUICKLY DRAIN TO
<br /> SEDIMENTATION BASINS (RETURN TO DESIGN STORM SEWERS. PREVENTION PLAN
<br /> CAPACITY). 2.4. LOCATE TOILETS SO THAT EXPOSURE TO
<br /> TRAFFIC AND MOVING EQUIPMENT IS
<br /> MINIMIZED.
<br /> 2.5. SECURE TOILETS TO THE GROUND WITH
<br /> STAKES OR CABLES.
<br /> 2.6. RINSE WATER FROM CLEANING ACTIVITIES
<br /> SHALL NOT BE DISPOSED ON SITE.
<br /> 3. REGULARLY CHECK TOILETS FOR DAMAGE, C05=00
<br /> LEAKS AND SPILLS AS PART OF THE WEEKLY
<br /> STORMWATER SITE INSPECTION.
<br /> 4. OWNER IDENTIFICATION AND CONTACT
<br /> INFORMATION SHALL BE DISPLAYED IN A
<br /> PROMINENT LOCATION ON EACH UNIT.
<br /> Copyright©2014 Perkins+Will
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