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SWPPP NARRATIVE - EROSION AND SEDIMENT CONTROL
<br />A STORMWATER POLLUTION PREVENTION PLAN (SWFPP) 15 REOUMLS ZRTZ ME ���P IT
<br />AI=TID I%AMINIR= AN C U T"
<br />550CIATIO-WITH UNDER THE NATIONAL
<br />P.
<br />PG"�JTAR DISPOSAL SYSTEM (SD5) CONSTRUCTION
<br />5 ORMWATER PERMIT FOR THE PROJECT. ALL SITE WORK SHALL FOLLOW THE PERMIT GUIDELINES AND
<br />RULES.
<br />THE GOAL OF POLLUTION PREVENTION EFFORTS DURING PROJECT CONSTRUCTION IS TO CONTROL SOL AND
<br />POLLUTA TS ON THE SITE AND PREVENT THEM FROM LEAVING THE PROUE T SITE AND FLOWING TO SURFACE
<br />WATER . THE PURPOSE OF THIS SWPPP IS TO PROVI E GUIDELINES FOR ACHIEVING THAT GOAL. ME SWPPP
<br />MUST BE KEPT ONSITE AND UPDATED AS NECESSARY DURING THE COURSE OF CONSTRUCTION TO KEEP IT
<br />CURRENT WIN ANY MODIFICATIONS TO THE POLLUMN CONTROL MEASURES BEING UTILIZED.
<br />THIS PROJEC CONSISTS OF THE CONSTRUCTION OF A NEW RESIDENTIAL HOUSE AND DRIVEWAY ON LAKE
<br />MINNETONKA IN ORONO. MINNESOTA.
<br />THE PROPOSED STORMWATER MANAGEMENT DESIGN WILL MEET THE REQUIREMENTS OF THE CITY OF ORONO
<br />A D THE M(NNEHAHA CREEK WATERSHED DISTRICT. THIS PROJECT IS NOT REQUIRED TO MEET THE MPCA
<br />PERMANENT STORMWATER MANAGEMENT REQUIREMENTS BECAUSE THE INCREASE IN IMPERVIOUS AREA IS LESS
<br />THAN ONE ACRE.
<br />THE STORM TER MANAGEMENT CONSISTS OF A SERIES OF ROOF DRAINS AND DOWN SPOUTS THAT WILL
<br />DISCHARGE TO GRACE AND EXISTING STORM SEWER INFRASTRUCTURE ON-SITE THAT ULTIMATELY CONNECTS To
<br />LAKE MINNETONKA.
<br />REGULATORY CONTEXT:
<br />PAIRED WATER HIN I IL
<br />-THIS PROJECT DISCHARGES TO LAXE MINNETONKA (LOWER LAKE NIS WATER BODY IS IDENTIFIED AS
<br />AN IMPAIRED WATER ON THE MPCA'S 303(D) IMPAIRED WATERS LIST FOR MERCURY IN FISH. NO
<br />ADDITIONAL BMPS ARE REQUIRED FOR COMPLIANCE.
<br />_N/A
<br />DRINKING WATER SUPPLY MAN
<br />-N/A
<br />THE PROJECT ST RMWATER DISCHARGE IS NOT ANTICIPATED TO IMPACT MY OF THE FOLLOWING:
<br />-OUTSTANDING RESOURCE VALUE WATERS, TROUT WATERS, WETLANDS. CALCAREOUS FENS, PROPERTIES
<br />LISTED BY THE NATIONAL REGISTER OF HISTORIC PLACES OR ARCHAEOLOGICAL SITES
<br />TH PROJECT STORMWATER DISCHARGE IS NOT SUBJECT TO ADDITIONAL REGULATION DUE TO ANY OF THE
<br />FOULOW1 G:
<br />-OTHER FORMAL ENVIRONMENTAL REVIEWS, ENDANGERED OR THREATENED SPECIES
<br />F1T==I!S "IDENTIFIED BY THE NPDES PERMIT.
<br />1 THE OWNER AND CONTRACTOR
<br />2. CONTRACTOR SHAL BE RESPONSIBLE FOR ALL ON-SITE IMPL MENTATION OF THE SWPPP, INCLUDING THE
<br />ACTIVITIES OF ALL OF THE CONTRACTOR'S SUBCONTRACTORS.
<br />3.CONT TOR SHALL PROVIDE A PERSON(S) KNOWLEDGEABLE AND EXPERIENCED IN THE APPLICATION OF
<br />EROSI N PREVENTION AND SEDIMENT CONTROL BMPS TO OVERSEE ALL INSTALLATION AND MAINTENANCE OF
<br />BIAPS AND IMPLEMENTATION OF THE SWPPP.
<br />4. CONTRACTOR SHALL PROVIDE PERSON(S) MEETING THE TRAINING REQUIREMENTS OF THE NPDES PERMIT TO
<br />CONDUCT INSPECTION AND MAINTENANCE OF ALL EROSION PREVENTION AND SEDIMENT CONTROL BMPS IN
<br />ACC RDANCE WITH THE REQUIREMENTS 0 THE PERMIT. ONE OF THESE INDIVIDUAL(S) MUST BE AVAILABLE
<br />FOR AN ONSITE INSPECTION WITHIN 72 HOURS UPON REQUEST BY MPCA. CONTRACTOR SHALL PROVIDE
<br />TRAINING DOCUM NTATION FOR THESE INDIVIDLI AS REQUIRED BY THE NPDES PERMIT. THIS TRAINING
<br />DO UMENTATION SHALL BE RECORDED IN OR WITH THE SWPPP BEFORE ME START OF CONSTRUCTION OR
<br />AS SOON AS THE PERSONNEL FOR ME PROJECT HAVE BEEN DETERMINED. DOCUMENTATION SHALL
<br />I CLUDE:
<br />.1. NAME OF THE PERSONNEL ASSOCIATED WITH THE PROJECT THAT ME REQUIRED TO BE TRAINED PER
<br />PART III.F. I OF THE PER IT.
<br />4.2. DATES OF TRAINING AND NAME OF INSTRUCTOR AND EMITY PROVIDING TRAINING.
<br />4.3. COWEN OF TRAINING COURSE OR WORKSHOP INCLUDING THE NUMBER OF HOURS OF TRAINING.
<br />5. FOLLOWING FINAL STABILIZATION AND THE TERMINATION OF COVERAGE FOR ME NPDES PERMIT, THE OMER
<br />IS EXPECTE TO FURNISH LONG TERM OPERATION AND MAINTENANCE (0 & M) OF THE PERMANENT STORM
<br />WATER MANAGEMENT SYSTEM.
<br />THE FOLLOWING SIZING CRITERIA AIP LY TO THE DESIGN OF STORMINATER TREATMENT FACILITIES. N/A
<br />INDICATES NOT APPLICABLE OR NOT CONSTRUCTED AS PART OF THIS PROJECT.
<br />1. TEMPORARY SEDIMENTATION BASINS: N/A
<br />2 PERMANENT WET SEDIMENTATION BASINS: N/A
<br />3. PERMANENT INFILTRATION/FILTRATION : SEE STORMWATER MANAGEMENT PLAN
<br />, . PERMANENT REGIONAL PONDS: N/A
<br />5. ALTERNATIVE METHODS: N/A
<br />TH FOLLOWING SEQUENCE DESCRIBES. IN GENERAL. THE WORK ON THE SITE:
<br />I . C NTRACTOR SHALL VERIFY THAT ALL PERMITS HAVE BEEN OBTAINED AND/OR OBTAIN THE NECESSARY
<br />P RMITS.
<br />2. CONTRACTOR SHAL PERFORM SITE INSPECTIONS, RECORD KEEPING AND RECORD RETENTION IN
<br />ACCORDANCE WITH ALL PERMITS.
<br />3. C NTRACTOR SHALL INSTALL ALL PERIMETER AND DOWN -GRADIENT EROSION CONTROL AND SEDIMENT
<br />C WROL BEST MANAGEMENT PRACTICES (BMPS). CONSTRUCTION ENTRANCES AND INLET PROTECTION
<br />0 CES PRIOR TO SITE GRADING, EXCAVATION, STOCKPILING OR DISTURBING EXISTING VEGETATIVE COVER.
<br />4. C NTRACTOR SHALL PERFORM SITE GRADING. EXCAVATION, STOCKPILING WORK IN ACCORDANCE WITH THE
<br />S ORMWATER POLLUTION PREVENTION PLAIN (swppp).
<br />5. C NTRACTOR SHALL INSTALL. INSPECT, MONITOR AND MAINTAIN TEMPORARY AND PERMANENT EROSION
<br />CON OL BMPS AS SHOWN ON PLANS & IN CONFORMANCE WRIA NPDES PERMIT, CONTINUOUSLY DURING
<br />THE WOW. CONTRACTOR SHALL STABILIZE AL EXPOSED SOILS NO UVER THAN Zj2M AFTER THE
<br />C NSTRUCTION ACTIVITY IN THAT POUTON OF THE SITE HAS TEMPORARILY OR PERMANENTLY CEASED.
<br />6. CONT TOR SHALL REPLACE OR REPAIR EROSION CONTROL AND SEDIMENT CONTROL BmPs THAT ME NOT
<br />FUNC IONING PROPERLY.
<br />7. C WRACTOR SHALL PERFORM SITE RESTORATION ACTIVITIES FOR PERMANENT VEGETATIVE ESTABLISHMENT.
<br />TL CONTR TOR SHALL REMOVE SEDIMENT CONTROL DEVICES PRIOR TO SUBM17ING NOTICE OF TERMINATION
<br />(NOT).
<br />9. SUBMIT NOTICE OF TERMINATION TO MPCA WITHIN W DAYS OF FINAL STABILIZATION.
<br />1. CONSTRUCT ON ACTIVITY FIELD 9
<br />ALL FIELD REQUI EMENTS SHALL BE PERFORMED IN ACCORDANCE WITH ME REQUIREMENTS OF THE
<br />NPDES PERMIT AND STGRMWATER POLLUTION PREVENTION PLAN (swpp).
<br />A. ME CONTRAC OR MUST IMPLEMENT THE SWPPP AND PROVIDE BMPS IDENTIFIED IN THE SWPPP IN AN
<br />APPROPIRIATE AND FUNCTIONAL MANNER.
<br />B. THE CONTRACTOR SHALL RESPOND TO CHANGING SITE CONDITIONS AND IMPLEMENT/SUPPLEMENT
<br />EROSION PREVENTION AND SEDIMENT CONTROL MEASURES UTILIZED TO PROVIDE ADEQUATE
<br />FROM ION OF DISTURBED SOILS AND ADEO ATE PREVENTION OF SEDIMENT TRANSPORT OFF-SITE.
<br />AT A MINIMUM. THE FOLLOWING STORM WATER POLLUTION PREVENTION CONSTRUCTION ACTIVITY FIELD
<br />REQUIREMENTS SHALL BE FURNISHED BY THE CONTRACTOR.
<br />2,
<br />C WRACTOR SHALL BE RESPONSIBLE FOR THE FOLLOWING EROSION PREVENTION PRACTICES:
<br />A. THE CONTRACTOR SHALL ATTEMPT TO PHASE ALL WORK TO MINIMIZE EROSION AND MARRAIN
<br />VEG TATIVE COVER TO THE EXTENT POSSIBLE. THE LOCATION OF AREAS NOT TO BE DISTURBED MUST
<br />8 DELINEATED ON THE SITE BEFORE CONSTRUCTION BEGINS.
<br />B. STABILIZATION ON ALL EXPOSED SOILS MUST BE INITIATED IMMEDIATELY WHENEVER CONSTRUCTION
<br />ACTIVITY HAS P RMANENTLY GR TEMPORARILY CEASED ON ANY PORFON OF THE SITE AND WILL NOT
<br />RESUME FOR A PERIOD EXCEEDING MR DAYS INCLUDING STOCKPILES WIN = SILT,
<br />CLAY OR ORGANIC COMPONENTS. ST MUST BE COMPLETED WITHIN ZSAM
<br />C. THE NORMAL WETTED PERIMETER OF MY TEMPORARY OR PERMANENT DRAINAGE DITCH THAT DRAINS
<br />WATER MGM A CONSTRUCTION SITE OR DIVERTS WATER MOUND A SITE MUST BE STABILIZED By
<br />CON TRACTOR WITHIN 200 FEET FROM THE PROPERTY EDGE, OR FROM THE POINT OF DISCHARGE TO
<br />ANY SU FACE WATER WITHIN 24 HOURS OF CONNECTING TO A SURFACE ATER. TEMPORARY OR
<br />P RMANEW DITCH SWALES BEING USED AS A SEDIMENT CONTAINMENT SYSTEM DO NOT NEED TO BE
<br />STABI IZED UNTIL THEY ARE NO LONGER USED AS A SEDIMENT CONTAINMENT SYSTEM, AFTER WHICH
<br />THEY MU T BE STABILIZED WITHIN 24 HOURS.
<br />D. TEMPORARY OR PERMANENT ENERGY DISSIPATION AT PIPE OUTLETS MUST BE PROVIDED WITHIN 24
<br />HOURS OF CONNECTING TO A SURFACE WATER.
<br />E. THE CONTRACTOR MUST DIRECT DISCHARGES FROM BMPS TO VEGETATED AREAS OF THE SRE IN
<br />OR ER TO INCREASE SEDIMENT REMOVAL AND MAXIMIZE INFILTRATION UNLESS INFEASIBLE. THE
<br />C WRACTOR MUST UTILIZE VELOCITY DISSIPATION DEVICES IF NECESSARY TO PREVENT EROSION WHEN
<br />DIRECTING STORMWATER TO VEGETATED AREAS.
<br />CONTRACTOR SHALL BE RESPONSIBLE FOR THE FOLLOWING SEDIMENT CONTROL PRACTICES:
<br />A. CONTRACTOR MUST INSTALL ALL DOWN GRADIENT PERIMETER CONTROLS BEFORE ANY UP GRADIENT
<br />DISTURBAN E BEGINS. CONTRACTOR SHALL MAINTAIN PERIMETER CONTROLS UNTIL FINAL STABILIZATION
<br />HAS BEEN ESTABLISHED,
<br />B. CONTI OR SHALL PROVIDE GRADING AND BMP INSTALLATION TO UNIT ALL SLOPES OF 3H:IV OR
<br />ST EPER TO AN UNBROKEN LENGTH OF 75 FEET OR LESS.
<br />C. IF DOWN GRADIENT SEDIMENT CONTROLS ME OVERLOADED. THE CONTRACTOR MUST INSTALL
<br />ADDITIONAL UPGRADIENT SEDIMENT CONTROL PRACTICES OR REDUNDANT BMPS TO ELIMINATE
<br />OVERLOADING. THE SWPPP MUST BE AMENDED TO IDENTIFY THESES ADDITIONAL PRACTICES.
<br />D. TIMING AND INSTALLATION OF SEDIMENT CONTROL DEVICES CAN BE ADJUSTED BY CONTRACTOR TO
<br />ACCOMMODATE SHORT-TERM ACTIVITIES SUCH AS CLEARING AND GRUBBING OR VEHICLE PASSAGE. ANY
<br />SHOW -TERM AC WITY MUST BE COMPLETED AS QUICKLY AS POSSIBLE AND THE SEDIMENT CONTROL
<br />PRACTICES MUST BE INSTALLED IMMEDIATELY AFTER THE ACTIVITY IS COMPLETED AND IN ALL CASES
<br />PRIOR TO THE NEXT PRECIPITATION EVENT.
<br />E. ALL PUBLIC AND PRIVATE STORM SEWER INLETS AND OUTLETS SHALL BE PROTECTED BY CONTRACTOR
<br />WITH APPROPRIATE BIAPS DURING THE WORK. THESE PRACTICES SHAL REMAIN IN PEACE UNTIL THE
<br />POTENTIAL SOURCES FOR DISCHARGING SEDIMENT TO INLETS HAVE BEEN STABILIZED BY CONTRACTOR.
<br />F. TEMPORARY SOIL STOCKPILES MUST HAVE SILT FENCE OR OTHER EFFECTIVE SEDIMENT CONTROLS.
<br />SOIL STOCKPILES SHALL NOT BE PLACED IN SURFACE WATERS OR STORMWATER CONVEYANCES.
<br />AC EPTABLE PROTECTION INCLUDES COVER OF MULCH. EROSION CONTROL MATS, OR PLASTIC
<br />S EETING.
<br />G. ROCK CO STRUCTION ENTRANCES OR EOUNALENT SYSTEM MUST BE INSTALLED By CONTRACTOR TO
<br />MINIMIZE TRACKING FROM SITE. CONTRACTOR SHALL PROVIDE STREET SWEEPING AS NECESSARY IF
<br />B PS ME NOT ADEQUATE TO PREVENT SEDIMENT FROM BEING TRACKED ONTO THE STREET.
<br />H. C NTPACTOR SHALL PROVIDE TEMPORARY SEDIMENTATION BASINS AS REQUIRED BY ME PERMIT.
<br />1. CONTRACTO MUST MINIMIZE SOIL COMPACTION AND PRESERVE TOPSOIL, UNLESS INFEASIBLE.
<br />MINIMIZING SOIL COMPACTION IS NOT REQUIRED MERE ME FUNCTION OF A SPECIFIC AREA OF THE
<br />SITE DICTATES TH T IT BE COMPACTED.
<br />j� THE CONTRACTOR MUST PRESERVE A 50 FOOT NATURAL BUFFER OR PROVDE REDUNDANT SEDIMENT
<br />CONTR LS WEN A SURFACE WATER IS LO TED WITHIN 50 FEET OF THE PROJECT DISTURBANCE
<br />LIMITS AND STORMWATER FLOWS TO THE SURFACE WATER.
<br />X. IF P LYMERS. FLOCCULANTS. OR OTHER SEDIMENTATION TREATMENT CHEMICALS ME USED ON SITE.
<br />THE GO TRACTOR MUST COMPLY WITH THE FOLLOWING REQUIREMENTS.
<br />TH CONTRACTOR MUST USE CONVENTIONAL EROSION AND SEDIMENT CONTROLS PRIOR TO
<br />CHEMICAL ADDITION TO ENSURE EFFECTIVE TREATMENT. CHEMICALS MAY ONLY BE APPLIED
<br />WHE E TREATED STORMWATER IS DIRECTED TO A SEDIMENT CONTROL SYSTEM WHICH ALLOWS
<br />FOR ME SETTLEMENT OF THE FLOC PRIOR TO DISCHARGE.
<br />b. CH MICALS MUST BE SELECTED THAT ARE APPROPRIATELY SUITED TO THE TYPES OF SOILS
<br />LIKELY TO BE EXPOSED DURING CONSTRUCTION. CHEMICALS MUST BE USED IN ACCORDANCE
<br />WITH ACCEPTED ENGINEERING PRACTICES. AND WIN DOSING SPECIFICATION AND SEDIMENT
<br />REMOVAL DESIGN SPECIFICATION PROVIDED BY THE MANUFACTURER.
<br />4,
<br />CONTRACTOR SHALL BE RESPONSIBLE FOR THE FOLLOWING DEWATERING REQUIREMENTS:
<br />A. C WRACTOR'S DEWATERING ACTIVITIE THAT HAVE SEDIMENT -LADEN DISCHARGE WATER MUST BE
<br />DISCHARGED INTO A TEMPORARY OR PERMANENT SEDIMENTATION BASIN WHENEVER POSSIBLE,
<br />OTHERWISE IT MUST E DISCHARGED THROUGH SOME FORM OF BEST MANAGEMENT PRACTICE (BMP)
<br />BY CONTRACTOR To LIMIT SEDIMENT FROM UEMMG THE SITE. PRIOR TO DISCHARGE. THE
<br />CON RACTOR SHALL PERFORM A VISUAL TEST TO ENSURE ADEQUATE TREATMENT IS OBTAINED IN THE
<br />BASH OR BMP AND APPLY ADDITIONAL TREATMENT AS REQUIRED TO ENSURE ADEQUATE TREATMENT.
<br />8. THE CONTRACTO SHALL DISCHARGE WATER FROM DIEWATERING IN A MANNER NAT WES NOT CAUSE
<br />NUISANCE CONDITIONS. THE DISCHARGE WATER SHALL BE DISPERSED OVER AN ACCEPT D ENERGY
<br />DISSI ATION MEASURE AND NOT ADVERSELY AFFECT THE RECEIVING WATER OR DOWNSTREAM
<br />CMDDMERS OR WETLANDS.
<br />C. IF CONTRACTOR IS USIN FILTERS WITH BACKWASH WATER. ME CONTRACTOR SHALL HAUL THE
<br />BACKWASH WATER AWAY FOR DISPOSAL, RETURN THE BACKWAS WATER TO THE BEGINNING OF THE
<br />TREATMENT PROCE S. OR INCORPORATE THE BACKWASH WATER INTO THE SIM IN A MANNER THAT
<br />DOES NOT CAUSE EROSION.
<br />5,
<br />CONTRACTO SHALL BE RESPONSIBLE FOR PERFORMING THE FOLLOWING INSPECTIONS AND MAINTENANCE:
<br />A. WHEN INSPECTIONS FIND EROSION PREVENTION AND SEDIMENT CONTROL BIAPS THAT ME
<br />NONFUNCTIONAL, ALL NONFUNCTIONAL BMPS MUST BE REPAIRED. REPLACED, OR SUPPL ENTED TH
<br />FUNCTIONAL EMIRS WITHIN 24 HOURS AFTER DISCOVERY OR OTHERWISE IN ACCOR CE WRH THE
<br />NP ES PERMIT REQUIREMENTS. THE CONTRACTOR SHALL ALSO PLACE ANY ADDR'D = EROSION
<br />CON ROL MEASURES DEEMED NECESSARY BY MPCA WITHIN 24 HOURS OF NOTICE FROM MPCA_
<br />8. THE CONTRACTOR MUST ROUTINELY INSPECT THE SITE ONCE EVERY 7 DAYS DURING ACTIVE
<br />CONSTRUCTION AND WITHIN 24 HOURS AFTER A RAINFALL EVENT GREATER THAN 0.5 INCHES IN 24
<br />HOU S.
<br />C. ALL INSPECTIONS AND MANTENANCE CONDUCTED DURING CONSTRUCTION MUST BE RECORDED IN
<br />WRITING BY CONTRACTOR AND RETAINED WITH THE SWPPIP By CONTRACTOR. MAINTENANCE MUST BE
<br />C MPLETED BY CONTRACTOR IN CONFORMANCE WITH NPDES PERMIT. CONTRACTOR'S RECORDS MUST
<br />NCLUDE:
<br />,. DATE AND TIME OF INSPECTION.
<br />b. NAME OF PERSON CONDUCTING INSPECTION.
<br />,. FINDING OF INSPECTION INCLUDING RECOMMENDATIONS FOR CORRECTIVE ACTION.
<br />d. DETAILS OF CORRECTIVE ACTION TAKEN (DATE- TIME, PARTY COMPLETING MAINTENANCE
<br />ACTIVITIES).
<br />It. DATE AND MOUNT or RAINI GREATER THAN 0.5 INCHES IN 24 HOURS.
<br />I. IF MY DISCHARGE IS OBSERVED TO BE OCCURRING DURING THE INSPECWN. A RECORD OF
<br />A L POINTS OF THE PROPERTY FROM WHICH THERE IS A DISCHARGE MUST BE MADE, AND THE
<br />DISCHARGE SHALL BE DESCRIBED ICOLOR, ODOR. FLOATING, SETT ED, OR SUSPENDED SOLIDS,
<br />FOAM, OIL SHEEN, AND OMER INDICATORS) AND PHOTOGRAPHED.
<br />g. DOCUMENTATION OF CHANGES IMAGE TO SWPPP.
<br />D� IN AREAS OF PROJECT WHERE FINAL STABILIZATION IS COMPLETE INSPECTIONS CAN BE REDUCED TO
<br />ONCE A MONTH. THESE AREAS SHALL BE INSPECTED BY CONTRACTOR FOR MINIMUM PERIOD OF '2
<br />NO -WINTER MONTHS AND WITHIN 24 HOURS OF FIRST SPRING RUNOFF OR PRIOR TO RESUMING
<br />CONSTRUCTION FOLLOWING My WINTER STOPPAGE, WHICHEVER COMES FIRST.
<br />E� THE CONTRACTOR IS RESPONSIBLE FOR THE INSPECTION AND MAINTENANCE OF EMIRS UNTIL MOTHER
<br />P RMITTEE HAS OBTAINED COVERAGE. OR THE PROJECT HAS UNDERGONE FINAL STABILIZATION AND AN
<br />NOT HAS BEEN SUBMITTED TO THE MPCA.
<br />F. ALL EM ION CONTROL MEASURES MUST BE INSTALLED AND MAINTAINED BY CONTRACTOR ACCORDING
<br />TO THE DETAILS INCLUDED IN THE CONSTRUCTION DOCUMENTS AND IN ACCORDANCE WITH THE
<br />PRODUCT MANUFACTURER'S RECOMMENDATIONS.
<br />G. ALL PERIMETER CONTROL DEVICES MUST BE REPAIRED. REPLACED OR SUPPLEMENTED By THE
<br />CONTRACTO WHEN THEY BECOME NON-FUNCTIONAL. OR THE SEDIMENT REACHES ONE-HAUF THE
<br />HEGHT OF THE DEVICE. CONTRACTOR SHALL REPAIR OR REPI_AC DEVICE THAT IS NONFUNCTIONAL
<br />By THE END OF THE NEXT BUSINESS DAY AFTER DISCOVERY, OR THEREAFTER AS SOON AS FIELD
<br />CONDITIONS ALLOW.
<br />H. TEMP RARY AND PERMANENT SEDIMENTATION BASINS MUST BE DRAW AND SEDIMENT REMOVED BY
<br />CONTRACTOR ONCE THE SEDIMENT COLLECTED REACHES ONE HALF THE STORAGE VOLUME WITH 72
<br />HOURS OF DISCOVERY, OR AS SOON AS FIELD CONDITIONS ALLOW.
<br />1. ALL SEDIMENT DEPOSITS WITHIN SURFACE WATERS OR STORMWATER Go ANCES MUST BE REMOVED
<br />AND RESTABILIZED BY CONTRACTOR WITHIN 7 DAYS OF DISCOVERY OR SOONER IF IT PRESENTS A
<br />FLOW RISK, INCLUDING DELTAS AND STORM SEWER SEDIMENT DEPOSITS. THE CONTRACTOR SHALL
<br />B RESPONSIBLE FOR OBTAINING ALL PERMITS REQUIRED. IF NECESSARY. FOR SUCH SEmmENT
<br />REMOVAL.
<br />j� CO RACTOR SHALL BE RESPONSIBI. FOR KEEPING EXISTING PAVED SURFACES CLEAN OF SEDIMENT
<br />CONSTRUCTION ENTRANCES SHALL BE CHECKED DAILY BY CONTRACTOR. IF THE ENTRANCE BECOMES
<br />INUNDATED WITH SEDIMENT, THE ENTRANCE WILL BE CLEANED OR REPLACED AS APPROPRIATE By
<br />CONTRACTOR. STREETS LEADING TO AND FROM THE CONSTRUCTION ENTRANCE SHALL BE CHECKED
<br />DAILY BY CONTRACTOR FOR OFF-SITE SE IMENT TRACKING ONTO PAVED SURFACES THESE AREAS
<br />WILL BE SWEPT C EAN OF ANY TRACKED MATERIALS BY CONTRACTOR AS SOON AS POSSIBLE AND
<br />TIRTHIM 24 HOURS OF DISCOVERY AND AS DIRECTED BY THE CITY. CONTRACTOR SHALL EXTEND
<br />SWEEPING TO THE EXTREMITY OF ANY SEDIMENT TRACKING THAT OCCURS OFF-SiM.
<br />K. CONTRAC OR SHALL BE RESPONSIBLE TO REMOVE MY OFF-SITE SEDIMENT ACCUMULATIONS IN A
<br />MANNER AND AT A FREQUENCY SUFFICIENT TO MINIMIZE OFF-SITE IMPACTS.
<br />L. ALL INFILTRATION/FILTRATION AREAS MUST BE INSPECTED By CONTRACTOR TO ENSURE THAT NO
<br />S DIMENT FROM ONGOING CONSTRUCTION IS ACCUMULATING OVER THE INFILTRATION/FILTRATION AREA.
<br />SEDIMENT ACCUMULATED OVER INFILTRATION /RLTRATION MUST BE REMOVED BY CONTRACTOR.
<br />M. CONTRACTOR SHALL PROTECT INFILTRATION/FILTRATION AREAS FROM SEDIMENTATION AND
<br />OVER -COMPACTION. DURING EXCAVATION. SEDIMENT AND EROSION CONTROL DEVICES MUST BE
<br />UTILIZED By CONTRACTOR TO PREVENT SEDIMENRATON AND THE AREA MUST BE STAKED OFF AND
<br />MARKED SO THAT HEAVY CONSTRUCTION EQUIPMENT WILL NOT COMPACT THE SOIL.
<br />N. INSPECTIONS CAN BE SUSPENDED DUE TO FROZEN GROUND CONDITIONS UNTIL FIRST RUNOFF
<br />OCCURS OR CONSTRUCTION ACTIVITIES RESUME.
<br />CONTRACTOR SHALL BE RES NSIBLE FOR IMPLEMENTING THE FOLLOWING POLLUTION PREVENTION
<br />MANAGEMENT MEASUR S ON THE SITE:
<br />A. THE COW TOR SHALL MINIMIZE THE EXP SURE OF ALL PRODUCTS, MATERIALS. AND WASTES FROM
<br />STORMWAT R WHICH MAY BE A SOURCE OF CONTAMINATION TO STORMWATER DR ME NOT DESIGNED
<br />TO BE EXPOSED TO STORMWATER.
<br />B. BUILDING PRODUCTS THAT MAY UEkCH POLLUTANTS MUST BE UNDER COVER (PLASTIC SHEETING,
<br />TEMPORARY ROOFS, ETC.) TO PREVENT THE DISCHARGE OF POLLUTANTS OR PROTECTED BY A
<br />SIMILARLY EFFECTIVE MEANS DESIGNED TO MINIMIZE CONTACT WITH STORMWATER.
<br />C. PESTICIDES, HERBICIDES. INSECTICIDES, FERTILIZERS, TREATMENT CHEMICALS, AND LANDSCAPE
<br />MATERIALS MUST BE UNDER COVER (PLASTIC SHEETING. TEMPORARY ROOFS. ETC ) TO PREVENT THE
<br />DISCHARGE OF POLLUTANTS OR PROTECTED By A SIMILARLY EFFECTIVE MEANS RSIGNED TO MINIMIZE
<br />CONTACT WITH STORMWATER.
<br />D. HAZARDOUS MATERIALS, TOXIC WASTE. (INCLUDING OIL, DIESEL FUEL, GASOLINE, HYDRAULIC FLUIDS,
<br />PAINT SOLVENTS, PETROLEUM-BASED PRODUCTS, WOOD PRESERVATIVES. ADDITIVES, CURING
<br />COMPOUNDS. AND ACIDS) MUST BE STORED IN SEALED CONTAINERS TO PREVENT SPILLS, LEAKS OR
<br />OTHER DISCHARGE. RESTRICTED ACCESS STORAGE AREAS MUST BE PROVIDED TO PREVENT VANDALISM.
<br />STOWE AND DISPOSAL OF HAZARDOUS MATERIALS MUST COMPLY WITH ALL STATE REQUIREMENTS.
<br />E. SOLID WASTE MUST BE STORED, COLLECTED. AND DISPOSED IN COMPLIANCE WITH ALL STATE
<br />REQUIREMENTS.
<br />F. PORTABLE TOILETS MUST BE POSITIONED SO THAT THEY ARE SECURE AND WILL NOT BE TIPPED OVER.
<br />SANITARY WASTE MUST BE DISPOSED OF IN ACCORDANCE WITH ALL STATE REQUIREMENTS.
<br />G. THE GO TRACTOR SHALL TAKE REASONABLE STEPS TO PREVENT THE DISCH RGE OF SPILLED OR
<br />LEAKED CHEMICALS, INCLUDING FUEL, FROM ALI_ AREAS WHERE CHEMICALS OR FUEL WILL BE LOADED
<br />OR UNLOADED. THE CONTRACTOR MUST CONDUCT FUELING IN A CONTAINED ARISA UNLESS INFENSHEILE.
<br />THE CONTRACTOR MUST ENS RE ADEQUATE SUPPLIES ME AVAILABLE AT ALL TIMES TO CLEAN UP
<br />DISCHAR ED MATERIALS AND THAT AN APPROPRIATE DIS OSAL METHOD IS AVAILABLE FOR RECOVERED
<br />SPILLED MATERIALS. ALL SPILLS MUST BE CLEANED UP AND REPORTED IN ACCORDANCE WITH STATE
<br />REQUIREMENTS. DRY CLEAN UP MEASURES SHALL BE USED WHERE POSSIBLE.
<br />H. THE CONTRACTO MUST UNIT VEHICLE AND EQUIPMENT WASHING TO A DEFINED AR MEN
<br />C MPLETED ON ME PROJECT SITE. RUNOFF FROM THE WASHING AREA MUST E CONTAINED IN A
<br />SEDIMENT BASIN OR OMER SIMILARLY EFFECTIVE CONTROLS AND WASTE FROM T E WASHING ACTIVITY
<br />MUST BE PROPERLY DISPOSED OF. THE CONTRACTOR MUST PROPERLY USE AND STORE SOAPS.
<br />DETERGENTS, OR SOLVENTS. NO ENGINE DECREASING IS ALLOWED ONSITE.
<br />I THE CONTRACT R MUST PROVIDE EFFECTIVE CONTAINMENT FOR ALL LIQUID AND SOLID WASTES
<br />GENERATED BY WASJiOUT OPERATIONS (CONCRETE. STUCCO, PAINT, FORM RELEASE OILS. CURING
<br />COMPOV DS. AND OTHER CONSTRUCTION MATERIALS) RELATED TO THE PROJECT CONSTRUCTION
<br />ACTIV3Y. NO WASHO T WASTES MAY CONTACT THE GROUND. AND THE CONTAINMENT MUST BE
<br />DESIGNED SO THAT IT DOES NOT RESULT IN RUNOFF FROM THE WASHOUT OPERATIONS OR ME
<br />LIQUID AND SOLID WASTES MUST BE DISPOSED OF PROPERLY AND IN COMPLIANCE WITH ALL MPCA
<br />R LES. A SIGN MUST BE INSTALLED ADJACENT TO EACH WASHOUT FACILITY TH. REQUIRES SITE
<br />PERS NNEL TO UTILIZE PROPER FACILITIES FOR DISPOSAL OF CONCRETE AND OTHER WASHOUT
<br />WASTES.
<br />7.
<br />THE CONTRACTOR SHALL ENSURE FINAL STABILIZATION OF THE SITE. FINAL STABILIZATION REQUIRES THE
<br />FO LOWING:
<br />A. AL SOIL DISTURBING ACTIVRES ME COMPLETE AND A UNIFORM PERENNIAL VEGETATIVE COVER "TH
<br />A DE SITY OF 70% OVER THE ENTIRE PERVIO S SURFACE HAS BEEN ACHIEVED, INCLUDING
<br />STAGI IZATION OF ALL DITCHES AND SWALES.
<br />B. CONTRACTOR SHALL ENSURE THAT ALL PERMANENT STORMWATER TREATMENT SYSTEMS ME
<br />CONSTRUCTED IN ACCORDANCE WITH THE REQUIREMENTS OF THE NPDES PERMIT.
<br />C� CONTRACTOR SHALL REMOVE ALL TEMPORARY SYNTHETIC AND STRUCTURAL BMPS.
<br />-THE CONTRACTOR SHALL MAKE THE SW PP. INCLUDING ALL CERTIFICATES REPORTS. RECORDS, OR OTHER
<br />INFORMATION OF THE PERMIT, AVAILABLE TO F DERAIL. STATE. OR LOCAL OFFICIALS WITHIN 72 HOURS UPON
<br />R QUEST FOR THE DURATION OF THE PERMIT AND FOR THREE YEARS FOLLOWING THE SUBMITTAL OF THE
<br />NOTICE OF TERMINATION.
<br />-TH CONTRACTOR SHALL MAKE THE RESPONSIBLE PERSON, TRAINED AS REQUIRED By THIS PERMIT,
<br />AVAILABLE ON SITE WITHIN 72 HOURS WHEN REQUESTED BY THE MPCA FOR AN ONSITE INSPECTION.
<br />-THE CONTRACTOR MUST ALLOW ACCESS AS REQUIRED BY STATE REGULATIONS FOR REPRESENTATIVES OF
<br />THE MPCA OR My MEMBER THEREOF MEN AUTHORIZED BY IT, TO ENTER UPON THE PROJECT SITE FOR
<br />THE PURPOSE OF OBTAINING INFORMATION. EXAMINATION OF RECORDS, OR CONDUCTING SURVEYS OR
<br />INVESTIGATIONS.
<br />-PERMITTE MUST SUBMIT A NOTICE OF TERMINATION (NOT) WITHIN 30 DAYS IF ONE OR MORE OF THE
<br />FOLLOWING CONDITIONS HAVE BEEN MET:
<br />1. FINAL STABILIZATION HAS BEEN ACHIEVED ON ALL PORTIONS OF THE SITE FOR WHIG PERIAITTEE IS
<br />RESPONSIBLE INCLUDING THE REMOVAL OF ALL TEMPORARY MEASURES SUCH AS SILT FENCE.
<br />2. MOTHER OMER HAS ASSUMED CONTROL OVER ALL PORTIONS OF ME SITE THAT HAVE NOT ACHIEVED
<br />FINAL STABILIZATION.
<br />a. Qu&uQLjjD_swp_pe
<br />-THE PERM17EE MUST MEND THE SWPPP AS NECESSARY TO INCLUDE ADDITIONAL REQUIREMENTS. SUCH AS
<br />ADDITIONAL OR MODIFIED BMPS. DESIGNED TO CORRECT PROBLEMS IDENTIFIED OR ADDRESS SITUATIONS
<br />WHENEVER:
<br />1. MERE IS A CHANGE IN DESIGN, CONSTRUCTION. OPERATION OR MAINTENANCE. WEATHER OR SEASONAL
<br />CO ORIONS THAT HAVE SIGNIFICANT EFFECT ON DISCHARGE- INSPECTION IS REQUIRED WITHIN 24 HOURS
<br />OF A RAINFALL EVENT GREATER THAN ONE-HALF INCH.
<br />2. INSPECTION OR INVESTIGATION BY SITE OPERATORS, LOCAL, STATE OR FEDERAL OFFICIALS INDICATE THE
<br />SWPPP IS NOT EFFECTIVE.
<br />3. ME SWPPP IS NOT ACHIEVING THE GENERAL OBJECTIVE OF CONTROLLING POLLUTANTS OR THE swPPP IS
<br />NOT CONSISTENT WITH THE TERMS AND CONDITIONS OF THIS PERMIT.
<br />4. ME MPCA OETERMINES THAT DISCHARGE MAY CAUSE OR CONTRIBUTE TO NON -ATTAINMENT OF ANY
<br />APPLICAB E WATER QUALITY STANDARDS OR THE SWPPP DOES NOT INCORPORATE THE REQUIREMENTS
<br />RELATED TO AN APPROVED TOTAL MAXIMUM ONLY LOAD (TMDL).
<br />9. 5WRIPE-UMIECAIM;
<br />- THIS STORMWATER POLLUTION PREVENTION PLAIN WAS PREPARED BY INDIVDUAI_(S) TRAINED IN
<br />ACCORDANCE WITH THE PERMIT'S TRAINING REQUIREMENTS FOR PREPARATION OF SWPPP& IND.DuAL(S)
<br />PREPARING THIS SWPPP:
<br />PATRICK SVEUM, P.E.
<br />RIEKE RINI AND ASSOCIATES
<br />PATISPIERCEPINILCOM
<br />763-537-1311
<br />TRAIN$NG/CERTIFICATION
<br />DATE OF TRAINING/CERTIFICATION: 2016
<br />CERTIFICATION PROGRAM: UNIVERSITY OF MINNESOTA - DESIGN OF CONSTRUCTION SWPPP
<br />ARDEN HILLS. MN
<br />INSTRUCTOI JOHN CHAIRMAN
<br />CERTIFICATION EXPIRATION: 2019
<br />TRAVIS VAN LIERE STUDIO
<br />LANDSCAPE ARCHITECTURE
<br />211 IST STREET NORN, SURE 3SO
<br />INNNEAMUS, MIN SHH
<br />1 -7. -1
<br />PIERCE PINI
<br />ASSOCIATES
<br />9298 CENTRAL AVENUE NE,
<br />SUITE 312
<br />BLAINE, MN 55434
<br />TEL 763.537.1311
<br />FAX 763.537.1354
<br />FERNDALE ROAD
<br />R E S I D E N C E
<br />1895 FERNDALE ROAD W, ORONO, MIN 56391
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<br />SWPPP- NARRATIVE
<br />D. By: Rms.
<br />U_ ov-017
<br />Sh.: C601
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