|
C ADD f iles pr epar ed by t he Cons ult ant for this p roject ar e
<br />instruments of the Consultant professional services for use solely
<br />with respect to this project. These CADD files shall not be used
<br />on other projects, for additions to this project, or for completion
<br />of t his p r ojec t by ot her s w it hou t wr i t te n ap pr ov al b y t he
<br />C onsultant . With t he Cons ultant's appr oval, ot hers may be
<br />per mit t ed t o ob t ain cop ies of t he C AD D dr aw ing files f or
<br />information and reference only. All intentional or unintentional
<br />revisions, additions, or deletions to these CADD files shall be
<br />made at the full risk of that party making such revisions, additions
<br />or deletions and that party shall hold harmless and indemnify the
<br />Consultant from any & all responsibilities, claims, and liabilities.
<br />PLANNING
<br />CIVIL ENGINEERING
<br />LAND SURVEYING
<br />LANDSCAPE ARCHITECTURE
<br />ENVIRONMENTAL
<br />7200 Hemlock Lane, Suite 300
<br />Maple Grove, MN 55369
<br />763.424.5505
<br />www.loucksinc.com
<br />Plotted: 08 /04 / 2022 5:40 PMW:\2022\22012\CADD DATA\CIVIL\_dwg Sheet Files\C3-2 - SWPPP PLANOUCKSL
<br />CADD QUALIFICATION
<br />QUALITY CONTROL
<br />PROFESSIONAL SIGNATURE
<br />SUBMITTAL/REVISIONS
<br />XCEL HUGO -
<br />TRAINING
<br />FACILITY
<br />13620 Fenway Blvd N, Hugo, MN
<br />55038
<br />XCEL ENERGY
<br />414 NICOLLET MALL,
<br />MINNEAPOLIS, MN 55401
<br />Review Date
<br />SHEET INDEX
<br />License No.
<br />Date
<br />I hereby certify that this plan, specification or report was
<br />prepared by me or under my direct supervision and that
<br />I am a duly Licensed Professional Engineer under the
<br />laws of the State of Minnesota.
<br />Todd W. McLouth - PE
<br />20383
<br />Project Lead
<br />Drawn By
<br />Checked By
<br />Loucks Project No.22012
<br />JJD
<br />HW
<br />TWM
<br />08/05/22
<br />08/05/22 PRELIM CITY SUBMITTAL
<br />C3-1
<br />C8-1 to C8-3
<br />C1-1 EXISTING CONDITIONS
<br />C4-1
<br />C2-1
<br />L2-1
<br />L3-1
<br />GRADING PLAN
<br />CIVIL DETAILS
<br />UTILITY PLAN
<br />SITE PLAN
<br />LANDSCAPE DETAILS
<br />LANDSCAPE PLANS
<br />C1-2 DEMOLITION PLAN
<br />C3-2 SWPPP PLAN
<br />C3-3 SWPPP NOTES
<br />L1-1 TREE INVENTORY
<br />SWPPP NOTES
<br />C3-3
<br />1.THE NATURE OF THIS PROJECT WILL CONSIST OF CONSTRUCTING A FOUR-STORY
<br />APARTMENT BUILDING & THE ASSOCIATED PARKING, UTILITIES, & STORM WATER
<br />TREATMENT AREAS .
<br />2.THE INTENDED SEQUENCING OF MAJOR CONSTRUCTION ACTIVITIES ARE AS
<br />FOLLOWS:
<br />1.INSTALL VEHICLE TRACKING BMP
<br />2.INSTALL SILT FENCE AROUND SITE
<br />3.INSTALL PROTECTIVE FENCE AROUND FILTRATION AREAS
<br />4.CLEAR AND GRUB SITE
<br />5.STRIP AND STOCKPILE TOPSOIL
<br />6.REMOVE PAVEMENTS AND UTILITIES
<br />7.CONSTRUCT STORMWATER MANAGEMENT BASINS
<br />8.INSTALL SILT FENCE AROUND BASINS
<br />9.ROUGH GRADE SITE
<br />10.IMPORT CLEAN FILL FOR REPLACEMENT AND BALANCE
<br />11.INSTALL UTILITIES
<br />12.INSTALL BUILDING FOUNDATIONS
<br />13.INSTALL CURB AND GUTTER
<br />14.INSTALL PAVEMENTS AND WALKS
<br />15.FINAL GRADE SITE
<br />16.REMOVE ACCUMULATED SEDIMENT FROM BASINS
<br />17.CONSTRUCT FILTRATION TRENCHES
<br />18.SEED AND MULCH
<br />19.WHEN ALL CONSTRUCTION ACTIVITY IS COMPLETE AND THE SITE IS STABILIZED,
<br />REMOVE SILT FENCE AND RESEED ANY AREAS DISTURBED BY THE REMOVAL.
<br />3.SITE DATA:
<br />AREA OF DISTURBANCE:X.XX± AC
<br />PRE-CONSTRUCTION IMPERVIOUS AREA:X.XX AC
<br />POST-CONSTRUCTION IMPERVIOUS AREA:X.XX AC
<br />GENERAL SOIL TYPE:XXX, XXX XXX
<br />4.THE LOCATION OF AREAS NOT TO BE DISTURBED MUST BE IDENTIFIED WITH FLAGS,
<br />STAKES, SIGNS, SILT FENCE, ETC. BEFORE CONSTRUCTION BEGINS.
<br />5.ALL DISTURBED GROUND LEFT INACTIVE FOR SEVEN (7) OR MORE DAYS SHALL BE
<br />STABILIZED BY SEEDING OR SODDING (ONLY AVAILABLE PRIOR TO SEPTEMBER 15) OR
<br />BY MULCHING OR COVERING OR OTHER EQUIVALENT CONTROL MEASURE.
<br />6.ON SLOPES 3:1 OR GREATER MAINTAIN SHEET FLOW AND MINIMIZE RILLS AND/OR
<br />GULLIES, SLOPE LENGTHS CAN NOT BE GREATER THAN 75 FEET.
<br />DENOTES SLOPES GREATER THAN 3:1. ALL 3:1 SLOPES TO BE STABILIZED WITH
<br />EROSION CONTROL BLANKET
<br />7.ALL STORM DRAINS AND INLETS MUST BE PROTECTED UNTIL ALL SOURCES OF
<br />POTENTIAL DISCHARGE ARE STABILIZED.
<br />8.TEMPORARY SOIL STOCKPILES MUST HAVE EFFECTIVE SEDIMENT CONTROL AND CAN
<br />NOT BE PLACED IN SURFACE WATERS OR STORM WATER CONVEYANCE SYSTEMS.
<br />TEMPORARY STOCKPILES WITHOUT SIGNIFICANT AMOUNT OF SILT, CLAY, OR
<br />ORGANIC COMPOUNDS ARE EXEPMT EX: CLEAN AGGREGATE STOCK PILES,
<br />DEMOLITION CONCRETE STOCKPILES, SAND STOCKPILES.
<br />9.SEDIMENT LADEN WATER MUST BE DISCHARGED TO A SEDIMENTATION BASIN
<br />WHENEVER POSSIBLE. IF NOT POSSIBLE, IT MUST BE TREATED WITH THE APPROPRIATE
<br />BMP'S.
<br />10.SOLID WASTE MUST BE DISPOSED OF PROPERLY AND MUST COMPLY WITH MPCA
<br />DISPOSAL REQUIREMENTS.
<br />11.EXTERNAL WASHING OF CONSTRUCTION VEHICLES MUST BE LIMITED TO A DEFINED
<br />AREA OF THE SITE, RUNOFF MUST BE PROPERLY CONTAINED.
<br />12.NO ENGINE DEGREASING IS ALLOWED ON SITE.
<br />13.THE OWNER WHO SIGNS THE NPDES PERMIT APPLICATION IS A PERMITTEE AND IS
<br />RESPONSIBLE FOR COMPLIANCE WITH ALL TERMS AND CONDITIONS OF THE PERMIT.
<br />THE OPERATOR (CONTRACTOR) WHO SIGNS THE NPDES PERMIT APPLICATION IS A
<br />PERMITTEE FOR ALL APPLICABLE CONSTRUCTION ACTIVITY REQUIREMENTS FOUND IN
<br />SECTIONS 3, 4, 6-24 OF THE NPDES PERMIT AND IS JOINTLY RESPONSIBLE WITH THE
<br />OWNER FOR COMPLIANCE WITH THOSE PORTIONS OF THE PERMIT.
<br />14.TERMINATION OF COVERAGE-PERMITTEE(S) WISHING TO TERMINATE COVERAGE MUST
<br />SUBMIT A NOTICE OF TERMINATION (NOT) TO THE MPCA. ALL PERMITTEE(S) MUST
<br />SUBMIT A NOT WITHIN 30 DAYS AFTER ONE OR MORE OF THE FOLLOWING
<br />CONDITIONS HAVE BEEN MET:
<br />A.FINAL STABILIZATION, PER NPDES PERMIT SECTION 13 HAS BEEN ACHIEVED ON
<br />ALL PORTIONS OF THE SITE FOR WHICH THE PERMITTEE IS RESPONSIBLE.
<br />B.TRANSFER OF OWNERSHIP AS DESCRIBED IN THE PERMIT.
<br />15. INSPECTIONS
<br />A.INITIAL INSPECTION FOLLOWING SILT FENCE INSTALLATION BY CITY
<br />REPRESENTATIVE IS REQUIRED.
<br />B.EXPOSED SOIL AREAS: ONCE EVERY 7 DAYS AND WITHIN 24 HOURS
<br />FOLLOWING A 0.5" OVER 24 HOUR RAIN EVENT.
<br />C.STABILIZED AREAS: ONCE EVERY 30 DAYS
<br />D.FROZEN GROUND: AS SOON AS RUNOFF OCCURS OR PRIOR TO RESUMING
<br />CONSTRUCTION.
<br />E.INSPECTION AND MAINTENANCE RECORDS MUST BE RETAINED FOR 3 YEARS
<br />AFTER FILING OF THE NOTICE OF TERMINATION AND MUST INCLUDE: DATE
<br />AND TIME OF ACTION, NAME OF PERSON(S) CONDUCTING WORK, FINDING OF
<br />INSPECTIONS AND RECOMMENDATIONS FOR CORRECTIVE ACTION, DATE AND
<br />AMOUNT OF RAINFALL EVENTS GREATER THAN 0.5 INCHES IN A 24 HOUR
<br />PERIOD.
<br />16. MINIMUM MAINTENANCE
<br />A.SILT FENCE TO BE REPAIRED, REPLACED, SUPPLEMENTED WHEN
<br />NONFUNCTIONAL, OR 1/3 FULL; WITHIN 24 HOURS
<br />B.SEDIMENT BASINS DRAINED AND SEDIMENT REMOVED WHEN REACHES 1/2
<br />STORAGE VOLUME. REMOVAL MUST BE COMPLETE WITHIN 72 HOURS OF
<br />DISCOVERY.
<br />C.SEDIMENT REMOVED FROM SURFACE WATERS WITHIN (7)SEVEN DAYS
<br />D.CONSTRUCTION SITE EXITS INSPECTED, TRACKED SEDIMENT REMOVED WITH 24
<br />HOURS.
<br />E.PROVIDE COPIES OF EROSION INSPECTION RESULTS TO CITY ENGINEER FOR ALL
<br />EVENTS GREATER THAN 12" IN 24 HOURS
<br />17.THE SWPPP, INCLUDING ALL CHANGES TO IT, AND INSPECTIONS AND MAINTENANCE
<br />RECORDS MUST BE KEPT AT THE SITE DURING CONSTRUCTION ACTIVITY BY THE
<br />PERMITTEE(S) WHO HAVE OPERATIONAL CONTROL OF THE SITE.
<br />18.OWNER MUST KEEP RECORDS OF ALL PERMITS REQUIRED FOR THE PROJECT, THE
<br />SWPPP, ALL INSPECTIONS AND MAINTENANCE, PERMANENT OPERATION AND
<br />MAINTENANCE AGREEMENTS, AND REQUIRED CALCULATIONS FOR TEMPORARY AND
<br />PERMANENT STORM WATER MANAGEMENT SYSTEMS. THESE RECORDS MUST BE
<br />RETAINED FOR THREE YEARS AFTER FILING NPDES NOTICE OF TERMINATION.
<br />19.SWPPP MUST BE AMENDED WHEN:
<br />A.THERE IS A CHANGE IN DESIGN, OPERATION, MAINTENANCE, WEATHER OR
<br />SEASONAL CONDITIONS THAT HAS A SIGNIFICANT EFFECT ON DISCHARGE
<br />B.INSPECTIONS INDICATE THAT THE SWPPP IS NOT EFFECTIVE AND DISCHARGE IS
<br />EXCEEDING WATER QUALITY STANDARDS.
<br />C.THE BMP'S IN THE SWPPP ARE NOT CONTROLLING POLLUTANTS IN DISCHARGES
<br />OR IS NOT CONSISTENT WITH THE TERMS AND CONDITIONS OF THE PERMIT.
<br />20.CONCRETE WASHOUT AREA
<br />A.CONCRETE WASH-OUT IS NOT ALLOWED ON-SITE.
<br />21.IN THE EVENT OF ENCOUNTERING A WELL OR SPRING DURING CONSTRUCTION
<br />CONTRACTOR TO CEASE CONSTRUCTION ACTIVITY AND NOTIFY ENGINEER.
<br />22.PIPE OULTETS MUST BE PROVIDED WITH TEMPORARY OR PERMANENT ENERGY
<br />DISSIPATION WITHIN 24 HOURS AFTER CONNECTION TO A SURFACE WATER.
<br />23.FINAL STABILIZATION
<br />FINAL STABILIZATION REQUIRES THAT ALL SOIL DISTURBING ACVTIVITIES HAVE BEEN
<br />COMPLETED AND THAT DISTURBED AREAS ARE STABILIZED BY A UNIFORM PERENNIAL
<br />VEGETATIVE COVER WITH 70% OF THE EXPECTED FINAL DENSITY, AND THAT ALL
<br />PERMANENT PAVEMENTS HAVE BEEN INSTALLED. ALL TEMPORARY BMP'S SHALL BE
<br />REMOVED, DITCHES STABILIZED, AND SEDIMENT SHALL BE REMOVED FROM
<br />PERMANENT CONVEYANCES AND SEDIMENTATION BASINS IN ORDER TO RETURN THE
<br />POND TO DESIGN CAPACITY.
<br />24. TEMPORARY SEDIMENTATION BASINS
<br />A.THE TEMPORARY SEDIMENTATION BASINS SHALL BE CONSTRUCTED AND MADE
<br />OPERATIONAL PRIOR TO DISTURBANCE OF 10 OR MORE ACRES DRAINING TO A
<br />COMMON LOCATION.
<br />B.TEMPORARY SEDIMENTATION BASINS ARE REQUIRED PRIOR TO RUNOFF
<br />LEAVING THE CONSTRUCTION SITE OR ENTERING SURFACE WATERS WHEN 10
<br />OR MORE ACRES OF DISTURBED SOILS DRAIN TO A COMMON LOCATION. THE
<br />BASIN MUST PROVIDE 3,600 CUBIC FEET OF STORAGE BELOW THE OUTLET PER
<br />ACRE DRAINED. IF HYDRAULIC CALCULATIONS ARE AVAILABLE, THE TEMPORARY
<br />SEDIMENTATION BASIN MUST PROVIDE A STORAGE VOLUME EQUIVALENT TO
<br />THE 2-YEAR, 24-HOUR STORM, BUT IN NO CASE LESS THAN 1800 CUBIC FEET PER
<br />ACRE DRAINED. THE TEMPORARY SEDIMENTATION BASIN MUST BE
<br />CONSTRUCTED AND MADE OPERATIONAL CONCURRENT WITH THE START OF
<br />SOIL DISTURBANCE UP GRADIENT OF THE POND. THE TEMPORARY
<br />SEDIMENTATION BASIN SHALL BE DESIGNED TO PREVENT SHORT
<br />CIRCUITING. THE OUTFALL SHALL BE DESIGNED TO REMOVE FLOATABLE DEBRIS,
<br />ALLOW FOR COMPLETE DRAWDOWN OF THE POND FOR MAINTENANCE
<br />ACTIVITIES, AND HAVE ENERGY DISSIPATION. THE EMERGENCY SPILLWAY SHALL
<br />BE STABILIZED.
<br />C.TEMPORARY SEDIMENTATION BASINS SHALL BE SITUATED OUTSIDE OF SURFACE
<br />WATERS AND ANY REQUIRED BUFFER ZONE, AND MUST BE DESIGNED TO
<br />AVOID DRAINING WETLANDS, UNLESS THE IMPACT IS IN COMPLIANCE WITH
<br />THE REQUIREMENTS OF THIS PERMIT.
<br />D.EXCESSIVE SEDIMENT-LADEN WATER THAT IS NOT PROPERLY FILTERED WILL NOT
<br />BE PERMITTED TO DISCHARGE FROM SITE.
<br />25.DEWATERING AND BASIN DRAINING
<br />A.TURBID OR SEDIMENT-LADEN WATERS RELATED TO DEWATERING OR BASIN
<br />DRAINING SHALL BE DISCHARGED TO A TEMPORARY OR PERMANENT
<br />SEDIMENTATION BASIN ON THE PROJECT SITE UNLESS INFEASIBLE. THE
<br />TEMPORARY OR PERMANENT BASIN MAY DISCHARGE TO SURFACE WATERS IF
<br />THE BASIN WATER HAS BEEN VISUALLY CHECKED TO ENSURE ADEQUATE
<br />TREATMENT HAS BEEN OBTAINED IN THE BASIN AND THAT THE NUISANCE
<br />CONDITIONS WILL NOT RESULT FROM THE DISCHARGE. DISCHARGE POINTS
<br />SHALL BE ADEQUATELY PROTECTED FROM EROSION AND PROPER VELOCITY
<br />DISSIPATION PROVIDED.
<br />B.ALL WATER FROM DEWATERING OR BASIN-DRAINING ACTIVITIES MUST BE
<br />DISCHARGED IN A MANNER THAT DOES NOT CAUSE NUISANCE CONDITIONS,
<br />EROSION IN THE RECEIVING CHANNELS OR ON DOWN SLOPE PROPERTIES, OR
<br />INUNDATION IN WETLANDS CAUSING SIGNIFICANT ADVERSE IMPACTS TO THE
<br />WETLAND.
<br />C.IF FILTERS WITH BACKWASH WATERS ARE USED, THE BACKWASH WATER SHALL
<br />BE HAULED AWAY FOR DISPOSAL, RETURNED TO THE BEGINING OF THE
<br />TREATMENT PROCESS, OR INCORPORATED INTO SITE IN A MANNER THAT DOES
<br />NOT CAUSE EROSION. BACKWASH WATER MAY BE DISCHARGED TO SANITARY
<br />SEWER IF PERMISSION IS GRANTED BY THE SANITARY SEWER AUTHORITY.
<br />26.POLLUTION PREVENTION
<br />A.BUILDING PRODUCTS THAT HAVE THE POTENTIAL TO LEACH POLLUTANTS
<br />MUST BE UNDER COVER TO PREVENT DISCHARGE OR PROTECTED BY AN
<br />EFFECTIVE MEANS DESIGNED TO MINIMIZE CONTACT WITH STORMWATER.
<br />B.PESTICIDES, HERBICIDES, INSECTICIDES, FERTILIZERS, TREATMENT CHEMICALS,
<br />AND LANDSCAPE MATERIALS MUST BE UNDER COVER.
<br />C.HAZARDOUS MATERIALS AND TOXIC WASTE MUST BE PROTECTED TO PREVENT
<br />VANDALISM.
<br />D.SOLID WASTE MUST BE STORED, COLLECTED AND DISPOSED OF IN COMPLIANCE
<br />WITH MINN. R. CH 7035.
<br />E.PORTABLE TOILETS MUST BE POSITIONED SO THAT THEY ARE SECURE AND WILL
<br />NOT BE TIPPED OR KNOCKED OVER. SANITARY WASTE MUST BE DISPOSED OF
<br />PROPERLY IN ACCORDANCE WITH MINN. R. CH 7041.
<br />F.DISCHARGE OF SPILLED OR LEAKED CHEMICALS, INCLUDING FUEL, FROM ANY
<br />AREA WHERE CHEMICALS OR FUEL WILL BE LOADED OR UNLOADED SHALL BE
<br />PREVENTED USING DRIP PANS OR ABSORBENTS. SUPPLIES SHALL BE AVAILABLE
<br />AT ALL TIMES TO CLEAN UP DISCHARGED MATERIALS AND THAT AN
<br />APPROPRIATE DISPOSAL METHOD MUST BE AVAILABLE FOR RECOVERED SPILLED
<br />MATERIALS.
<br />27. DESIGN CALCULATIONS
<br />TEMPORARY & PERMANENT STORMWATER TREATMENT ARE DESIGNED TO MEET MPCA
<br />GENERAL & SPECIAL WATER REQUIREMENTS. CALCULATIONS ARE PART OF THE
<br />HYDROLOGY REPORT, WHICH IS TO BE CONSIDERED PART OF THE SWPP
<br />DOCUMENTS. SEE HYDROLOGY REPORT FOR ADDITIONAL INFORMATION.
<br />28.GENERAL STORMWATER DISCHARGE REQUIREMENTS
<br />ALL REQUIREMENTS LISTED IN SECTIONS 5-7, 14, 16-19, 21, 24 OF THE PERMIT FOR
<br />DESIGN OF THE PERMANENT STORMWATER MANAGEMENT SYSTEM AND DISCHARGE
<br />HAVE BEEN INCLUDED IN THE PREPARATION OF THIS SWPP. THESE INCLUDE BUT ARE
<br />NOT LIMITED TO:
<br />A.THE EXPECTED AMOUNT, FREQUENCY, INTENSITY, AND DURATION
<br />PRECIPITATION.
<br />B.THE NATURE OF STORMWATER RUNOFF AND RUN-ON AT THE SITE.
<br />C.PEAK FLOW RATES AND STORWATER VOLUMES TO MINIMIZE EROSION AT
<br />OUTLETS AND DOWNSTREAM CHANNEL AND STREAM BANK EROSION.
<br />D.THE RANGE OF SOIL PARTICLE SIZES EXPECTED TO BE PRESENT ON THE SITE.
<br />29.CONSTRUCTION OF FILTRATION BASINS
<br />A.NO HEAVY TRAFFIC ON FILTRATION AREAS. CONSTRUCTION TO BE DONE WITH
<br />MINIMAL COMPACTION TO FILTRATION AREAS. IF COMPACTION IS
<br />ENCOUNTERED, BASIN SOILS FOR THE FIRST & MUST BE REMOVED & RELAID.
<br />B.INFILTRATION SYSTEMS MUST NOT BE EXCAVATED TO FINAL GRADE UNTIL THE
<br />CONTRIBUTING DRAINAGE AREA HAD BEEN CONSTRUCTED AND FULLY
<br />STABILIZED UNLESS RIGOROUS EROSIN PREVENTION AND SEDIMENT CONTROLS
<br />ARE PROVIDED( SECTION 16.4).
<br />C.WHEN AN INFILTRATION SYSTEM IS EXCAVATED TO FINAL GRADE (OR WITHIN
<br />THREE (3) FEET OF FINAL GRADE), THE PERMITTEE(S) MUST EMPLOY RIGOROUS
<br />EROSION PREVENTION AND SEDIMENT CONTROLS (E.G., DIVERSION BERMS) TO
<br />KEEP SEDIMENT AND RUNOFF COMPLETELY AWAY FROM THE INFILTRATION
<br />AREA. THE AREA MUST BE STAKED OFF AND MARKED SO THAT HEAVY
<br />CONSTRUCTION VEHICLES OR EQUIPMENT WILL NOT COMPACT THE SOIL IN
<br />THE PROPOSED INFILTRATION AREA.
<br />D.TO PREVENT CLOGGING OF THE INFILTRATION OR FILTRATION SYSTEM, THE
<br />PERMITTEE(S) MUST USE A PRETREATMENT DEVICE SUCH AS A VEGETATED FILTER
<br />STRIP, SMALL SEDIMENTATION BASIN, OR WATER QUALITY INLET (E.G., GRIT
<br />CHAMBER) TO SETTLE PARTICULATES BEFORE THE STORMWATER DISCHARGES
<br />INTO THE INFILTRATION OF FILTRATION SYSTEM.
<br />30.POST CONSTRUCTION
<br />THE WATER QUALITY VOLUME THAT MUST BE RETAINED ON SITE BY THE PROJECT'S
<br />PERMANENT STORMWATER MANAGEMENT SYSTEM DESCRIBED IN SECTION 15
<br />SHALL BE ONE (1) INCH OF RUNOFF FROM THE NEW IMPERVIOUS SURFACES CREATED
<br />BY THE PROJECT. SEE SECTION 15. FOR MORE INFORMATION ON INFILTRATION
<br />DESIGN, PROHIBITIONS AND APPROPRIATE SITE CONDITIONS.
<br />31.RESPONSIBILITIES
<br />A.THE OWNER MUST IDENTIFY A CONTRACTOR WHO WILL OVERSEE THE SWPPP
<br />IMPLEMENTATION AND THE PERSON RESPONSIBLE FOR INSPECTION AND
<br />MAINTENANCE:
<br />B.THE OWNER MUST IDENTIFY THE A PERSON WHO WILL BE RESPONSIBLE FOR
<br />LONG TERM OPERATIONS AND MAINTENANCE OF THE PERMANENT
<br />STORMWATER MANAGEMENT SYSTEM:
<br />32.TRAINING REQEMENTS
<br /> THE PERMITTES(S) SHALL ENSURE THE FOLLOWING INDIVIDUALS IDENTIFIED IN THIS
<br />PART HAVE BEEN TRIANED IN ACCORDANCE WITH THIS PERMIT'S TRAINING
<br />REQUIREMENTS.
<br />1. WHO MUST BE TRAINED:
<br />A. INDIVIDUAL(S) PREPARING THE SWPPP FOR THE PROJECT
<br />B. INDIVIDUAL(S) OVERSEEING IMPLEMENTATION OF, REVISING, AND/OR
<br />AMENDING THE SWPPP AND INDIVIDUALS(S) PERFORMING
<br />INSPECTIONS FOR THE PROJECT. ONE OF THESE
<br />INDIVDUAL(S) MUST BE AVAILABLE FOR AN ONSITE INSPECTION
<br />WITHIN 72 HOURS UPON REQUEST BY THE MPCA.
<br />C.INDIVIDUAL(S) PERFORMING OR SUPERVISING THE INSTALLATION,
<br />MAINTENANCE AND REPAIR OF BMPS. AT LEAST ONE INDIVIDUAL ON A PROJECT
<br />MUST BE TRAINED IN THES JOB DUTIES.
<br />2.TRAINING CONTENT:
<br />THE CONTENT AND EXTENT OF TRAINING MUST BE COMMENSURATE
<br />WITH THE INDIVIDUAL'S JOB DUTIES AND RESPONSIBILITIES WITH REGARD
<br />TO ACTIVITIES COVERED UNDER THIS PERMIT FOR THE PROJECT. AT LEAST
<br />ONE INDIVIDUAL PRESENT ON THE PERMITTED PROJECT SITE (OR
<br />AVAVILABLE TO THE PROJECT SITE IN 72 HOURS) MUST BE TRAINED IN THE
<br />JOB DUTIES DESCRIBED IN SECTION 21.2B AND SECTION 21.2C.
<br />33.THE PERMITTEE(S) SHALL ENSURE THAT THE INDIVIDUALS ARE TRAINED BY LOCAL,
<br />STATE, FEDERAL AGENCIES, PROFESSIONAL OR OTHER ENTITIES WITH EXPERTISE IN
<br />EROSION PREVENTION, SEDIMENT CONTROL, PERMANENT STORMWATER
<br />MANAGEMENT AND THE MINNESOTA NPDES/SDS CONSTRUCTION STORMWATER
<br />PERMIT. AN UPDATE REFESHER-TREINING MUST BE ATTENDED EVERY THREE (3) YEARS
<br />STARTING THREE (3) YEARS FROM THE ISSUANCE DATE OF THIS PERMIT.
<br />33.LIST OF CONTACTS
<br /> * MPCA 24HR. HAZARDOUS SPILL HOTLINE: 651-649-5457 OF 80420798
<br />DESCRIPTION UNIT
<br />TEMPORARY ROCK CONSTRUCTION ENTRANCE EA
<br />PREFABRICATED CONCRETE WASHOUT EA
<br />SILT FENCE (STANDARD)LF
<br />EROSION CONTROL BLANKET SY
<br />INLET PROTECTION EA
<br />QUANTITY
<br />1
<br />NOT ALLOWED
<br />XXX
<br />XXX
<br />XXX
<br />SEEDING AC XXX
<br />PERMANENT POND VOLUME = X.XX AF
<br />WATER QUALITY VOLUME REQUIRED = 1.0" * X.XAC * 1/12 = X.XX AF
<br />WATER QUALITY VOLUME PROVIDED =X.XX AF (TOTAL LIVE STORAGE)
<br />NAME OF WATER BODY
<br />TYPE OF
<br />WATER
<br />BODY
<br />SPECIAL
<br />WATER
<br />IMAIRED
<br />WATER
<br />TYPE OF
<br />SPECIAL
<br />WATER
<br />XXX XXX XXX XXX
<br />TITLE NAME
<br />OWNER XXX
<br />COMPANY PHONE NUMBER
<br />XXX
<br />PROJECT MANAGER XXX LOUCKS XXX
<br />ENGINEER SWPPP XXX XXXLOUCKS
<br />CONTRACTOR
<br />SITE MANGER
<br />XXX
<br />XXX
<br />SWPPP NOTES
<br />ESTIMATED QUANTITIES
<br />STORMWATER POND 1
<br />RECEIVING WATERS
<br />CERTIFICATION
<br />INLET PROTECTION -
<br />FILTER BAG INSERT
<br />3
<br />FRONT, BACK, AND
<br />BOTTOM TO BE MADE
<br />FROM SINGLE PIECE
<br />OF FABRIC
<br />MINIMUM DOUBLE
<br />STITCHED SEAMS ALL
<br />AROUND SIDE PIECES
<br />AND ON FLAP POCKETS
<br />(CAN BE INSTALLED IN ANY INLET TYPE
<br /> WITH OR WITHOUT A CURB BOX)
<br />8"
<br />12"
<br />4"
<br />2"
<br />2
<br />4
<br />FILTER BAG INSERT
<br />1
<br />OVERFLOW HOLES
<br />(2" X 4" HOLE SHALL
<br />BE HEAT CUT INTO
<br />ALL FOUR SIDE
<br />PANELS) 1/2 W
<br />D
<br />W
<br />1/
<br />2
<br />
<br />D
<br />INLET SPECIFICATIONS AS PER THE
<br />PLAN DIMENSION LENGTH AND
<br />WIDTH TO MATCH FLAP POCKET
<br />4
<br />NOTES:
<br />SEE SPECS. 2573, 3137, 3886 & 3891.
<br />MANUFACTURED ALTERNATIVES LISTED ON Mn/DOT'S APPROVED PRODUCTS LIST MAY BE SUBSTITUTED.
<br />1.ALL GEOTEXTILE USED FOR INLET PROTECTION SHALL BE MONOFILAMENT IN BOTH DIRECTIONS,
<br />MEETING SPEC. 3886.
<br />2.FINISHED SIZE, INCLUDING POCKETS WHERE REQUIRED SHALL EXTEND A MINIMUM OF 10 INCHES
<br />AROUND THE PERIMETER TO FACILITATE MAINTENANCE OR REMOVAL.
<br />3.INSTALLATION NOTES:
<br />3.1.DO NOT INSTALL FILTER BAG INSERT IN INLETS SHALLOWER THAN 30 INCHES, MEASURED FROM
<br />THE BOTTOM OF THE INLET TO THE TOP OF THE GRATE.
<br />3.2.THE INSTALLED BAG SHALL HAVE A MINIMUM SIDE CLEARANCE OF 3 INCHES BETWEEN THE
<br />INLET WALLS AND THE BAG, MEASURED AT THE BOTTOM OF THE OVERFLOW HOLES.
<br />3.3.WHERE NECESSARY THE CONTRACTOR SHALL CLINCH THE BAG, USING PLASTIC ZIP TIES, TO
<br />ACHIEVE THE 3 INCH SIDE CLEARANCE.
<br />4.FLAP POCKETS SHALL BE LARGE ENOUGH TO ACCEPT WOOD 2 INCH X 4 INCH OR USE A ROCK SOCK
<br />OR SAND BAGS IN PLACE OF THE FLAP POCKETS.
<br />DRAWN 2/2016
<br />LOUCKS PLATE NO.
<br />3015LOUCKS EROSION CONTROL BLANKET
<br />6"
<br />6"
<br />1' TO 3'ANCHOR TRENCH
<br />1.DIG 6"X6" TRENCH
<br />2.LAY BLANKETS IN TRENCH
<br />3.STAPLE AT 1.5' INTERVALS
<br />4.BACKFILL WITH NATURAL SOIL
<br />AND COMPACT.
<br />5.BLANKET LENGTH SHALL NOT
<br />EXCEED 100' WITHOUT AN
<br />ANCHOR TRENCH
<br />NOTE:
<br />SLOPE SURFACE SHALL BE FREE OF ROCKS, SOIL
<br />CLUMPS, STICKS, VEHICLE IMPRINTS, AND GRASS.
<br />BLANKETS SHALL HAVE GOOD SOIL CONTACT.
<br />ANCHOR TRENCH
<br />(SEE DETAIL AND NOTES BELOW)
<br />OVERLAP END JOINTS MINIMUM
<br />OF 6" AND STAPLE OVERLAP AT
<br />1.5' INTERVALS.
<br />OVERLAP LONGITUDINAL
<br />JOINTS MINIMUM OF 6"
<br />STAPLE PATTERN/DENSITY
<br />SHALL FOLLOW
<br />MANUFACTURERS
<br />SPECIFICATIONS.
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<br />STAGGER JOINTS
<br />DRAWN 2/2016
<br />LOUCKS PLATE NO.
<br />3016LOUCKS
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