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STORM WATER POLLUTION PREVENTION PLAN NARRATIVE - PAGE 2 OR 2
<br /> TEMPORARY SEDIMENT BASIN, THE WATER MUST BE TREATED SO THAT IT DOES NOT CAUSE A
<br /> STABILIZATION TIME FRAMES NUISANCE CONDITION IN THE RECEIVING WATERS OR TO DOWNSTREAM LANDOWNERS. CLEAN OUT
<br /> ALL PERMANENT STORMWATER BASINS REGARDLESS OF WHETHER USED AS TEMPORARY SEDIMENT DESCRIPTION OF PERMANENT STORMWATER TREATMENT SYSTEMS
<br /> ALL AREAS DISTURBED BY CONSTRUCTION WILL RECEIVE SEED OR SOD ACCORDING TO THE PLANS AND BASINS OR TEMPORARY SEDIMENT TRAPS TO THE DESIGN CAPACITY AFTER ALL UP GRADIENT LAND A N D E R S 0 N
<br /> SPECIFICATIONS AND WITHIN THE SPECIFIED VEGETATIVE TIME SCHEDULE. FINAL STABILIZATION WILL DISTURBING ACTIVITY IS COMPLETED. STORMWATER IS TREATED BY FOUR STORMWATER PONDS THROUGHOUT THE SITE. SEE STORMWATER
<br /> OCCUR WHEN THE SITE HAS A UNIFORM VEGETATIVE COVER WITH A DENSITY OF 70% OVER THE ENTIRE 13. PROVIDE SCOUR PROTECTION AT ANY OUTFALL OF DEWATERING ACTIVITIES. MANAGEMENT PLAN REPORT.
<br /> DISTURBED AREA COMPARED TO EXISTING CONDITIONS. ALL TEMPORARY SYNTHETIC EROSION 14. PROVIDE STABILIZATION IN ANY TRENCHES CUT FOR DEWATERING OR SITE DRAINING PURPOSES. 1 3 6 0 5 1st Avenue N . # 1 0 0
<br /> PREVENTION AND SEDIMENT CONTROL BMPS MUST BE REMOVED AS PART OF THE SITE FINAL CALCULATIONS FOR TEMPORARY & PERMANENT STORMWATER TREATMENT SYSTEMS Plymouth, MN 55441 1 ae-mn.com
<br /> STABILIZATION. ALL SEDIMENT MUST BE CLEANED OUT OF CONVEYANCES AND TEMPORARY POLLUTION PREVENTION P 763.412.4000 1 F 763.412.4090
<br /> SEDIMENTATION BASINS IF APPLICABLE. Anderson Engineering of Minnesota, LLC
<br /> 1. PROVIDE A SPILL KIT AT EACH WORK LOCATION ON THE SITE. SEE STORMWATER MANAGEMENT PLAN REPORT.
<br /> AREA TIME FRAME NOTES 2. STORE ALL BUILDING MATERIALS THAT HAVE THE POTENTIAL TO LEACH POLLUTANTS, PESTICIDES,
<br /> LAST 200 LINEAL FEET OF DRAINAGE WITHIN 24 HOURS OF CONNECTION TO HERBICIDES, INSECTICIDES. FERTILIZERS, TREATMENT CHEMICALS, AND LANDSCAPE MATERIALS ESTIMATED BMPS QUANTITIES
<br /> DITCH OR SWALE SURFACE WATER OR PROPERTY EDGE 1, 2, 3 UNDER COVER WITH SECONDARY CONTAINMENT.
<br /> REMAINING PORTIONS OF DRAINAGE 3. PROVIDE A SECURE STORAGE AREA WITH RESTRICTED ACCESS FOR ALL HAZARDOUS MATERIALS BMP ORIGINAL ESTIMATE MODIFICATION DATE
<br /> DITCH OR SWALE 7 DAYS 1 , 3 AND TOXIC WASTE. RETURN ALL HAZARDOUS MATERIALS AND TOXIC WASTE TO THE DESIGNATED
<br /> STORAGE AREA AT THE END OF THE BUSINESS DAY UNLESS INFEASIBLE. STORE ALL HAZARDOUS ENERGY DISSIPATER
<br /> PIPE AND CULVERT OUTLETS 24 HOURS MATERIALS AND TOXIC WASTE (INCLUDING BUT NOT LIMITED TO OIL, DIESEL FUEL, GASOLINE, TEMP. DIVERSION DIKES ONEKA PRAIRIE
<br /> STOCKPILES 7 DAYS 1 HYDRAULIC FLUIDS, PAINT, PETROLEUM BASED PRODUCTS, WOOD PRESERVATIVES, ADDITIVES,
<br /> CURING COMPOUNDS, AND ACIDS) IN SEALED CONTAINERS WITH SECONDARY CONTAINMENT. CLEAN CHECK DAMS
<br /> 1 . INITIATE INLET STABILIZATION IMMEDIATELY WHEN CONSTRUCTION HAS TEMPORARILY OR UP SPILLS IMMEDIATELY. TEMP SEEDING 17 ACRES
<br /> PERMANENTLY CEASED ON ANY PORTION OF THE SITE. COMPLETE STABILIZATION WITHIN THE TIME 4. STORE, COLLECT AND DISPOSE OF ALL SOLID WASTE. PERMANENT SEEDING 5 ACRES
<br /> FRAME LISTED. IN MANY INSTANCES THIS WILL REQUIRE STABILIZATION TO OCCUR MORE THAN ONCE 5. POSITION ALL PORTABLE TOILETS SO THAT THEY ARE SECURE AND CANNOT BE TIPPED OR KNOCKED
<br /> DURING THE COURSE OF THE PROJECT. TEMPORARY SOIL STOCKPILES WITHOUT SIGNIFICANT CLAY OVER. PROPERLY DISPOSE OF ALL SANITARY WASTE. PERMANENT SODDING 12 ACRES
<br /> OR SILT AND STOCKPILED AND CONSTRUCTED ROAD BASE ARE NOT APPROPRIATE AND THEREFORE 6. FUEL AND MAINTAIN VEHICLES IN A DESIGNATED CONTAINED AREA WHENEVER FEASIBLE. USE DRIP
<br /> EXEMPT FROM THE STABILIZATION REQUIREMENT. PANS OR ABSORBENT MATERIALS TO PREVENT SPILLS OR LEAKED CHEMICALS FORM DISCHARGING MULCHES (SPECIFY TYPES)
<br /> TO SURFACE WATER OR STORMWATER CONVEYANCES. PROVIDE A SPILL KIT AT EACH LOCATION
<br /> 2. APPLICATION OF MULCH, HYDROMULCH, TACKIFIER AND POLYACRYLAMIDE ARE NOT ACCEPTABLE THAT VEHICLES AND EQUIPMENT ARE FUELED OR MAINTAINED AT.
<br /> STABILIZATION METHODS IN THESE AREAS. 7. LIMIT VEHICLE AND EQUIPMENT WASHING TO A DEFINED AREA OF THE SITE. CONTAIN RUNOFF FROM CAT 3 EROSION CONTROL BLANKET
<br /> THE WASHING AREA TO A TEMPORARY SEDIMENT BASIN OR OTHER EFFECTIVE CONTROL. PROPERLY
<br /> 3. STABILIZE ALL AREAS OF THE SITE PRIOR TO THE ONSET OF WINTER, ANY WORK STILL BEING DISPOSE OF ALL WASTE GENERATED BY VEHICLE AND EQUIPMENT WASHING. ENGINE DEGREASING IS SOIL TACKIFIERS
<br /> PERFORMED WILL BE SNOW MULCHED, SEEDED, AND BLANKETED WITHIN THE TIME FRAMES IN THE NOT ALLOWED ON THE SITE. SOUTHWIND HOLDINGS, LLC
<br /> NPDES PERMIT. 8. PROVIDE EFFECTIVE CONTAINMENT FOR ALL LIQUID AND SOLID WASTES GENERATED BY WASHOUT SILT FENCING 6734 LF
<br /> OF CONCRETE, STUCCO, PAINT, FORM RELEASE OILS, CURING COMPOUNDS AND OTHER
<br /> 4. TOPSOIL BERMS MUST BE STABILIZED IN ORDER TO BE CONSIDERED PERIMETER CONTROL BMPS. CONSTRUCTION MATERIALS. LIQUID AND SOLID WASHOUT WASTES MUST NOT CONTACT THE EROSION CONTROL MATS
<br /> USE RAPID STABILIZATION METHOD 2, 3, OR 4 AS DIRECTED BY THE ENGINEER. THE SEED MIX USED IN GROUND. DESIGN THE CONTAINMENT SO THAT IT DOES NOT RESULT IN RUNOFF FROM THE WASHOUT
<br /> THE RAPID STABILIZATION MAY BE SUBSTITUTED AS FOLLOWS: OPERATIONS OR CONTAINMENT AREA.
<br /> 9. CREATE AND FOLLOW A WRITTEN DISPOSAL PLAN FOR ALL WASTE MATERIALS. INCLUDE IN THE PLAN STORM DRAIN INLET PROTECTION 38 EA
<br /> A. SINGLE YEAR CONSTRUCTION BETWEEN MAY 1 - AUGUST 1 , SEED WITH SEED MIXTURE 21 .111 HOW THE MATERIAL WILL BE DISPOSED OF AND THE LOCATION OF THE DISPOSAL SITE. SUBMIT PLAN I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR
<br /> B. SINGLE YEAR CONSTRUCTION BETWEEN AUGUST 1 AND OCTOBER 31 , SEED WITH SEED TO THE ENGINEER. REPORT WAS PREPARED BY ME OR UNDER MY DIRECT
<br /> MIXTURE 21-112 10. USE METHODS AND OPERATIONAL PROCEDURES THAT PREVENT CONCRETE DUST PARTICLES SUPERVISION AND THAT AM A DULY LICENSED
<br /> ' PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE
<br /> 3: C. MULTI YEAR CONSTRUCTION 22-111 CONCRETE WASH OUT, AND OTHER CONCRETE WASTES FROM LEAVING SITE, DEPOSITING IN TEMPORARY OR PERMANENT OF MINNESOTA.
<br /> cnI EXISTING OR FUTURE VEGETATED AREAS, AND FROM ENTERING STORMWATER CONVEYANCE SEDIMENTATION BASINS
<br /> of 5. KEEP DITCHES AND EXPOSED SOILS IN AN EVEN ROUGH GRADED CONDITION IN ORDER TO BE ABLE SYSTEMS, INCLUDING INLETS, DITCHES AND CURB FLOW LINES. USE METHODS AND OPERATIONAL PRINT NAME: ADAM THIELE, PE
<br /> o 0 TO APPLY EROSION CONTROL MULCHES, HYDROMULCHES AND BLANKETS. PROCEDURES THAT PREVENT SAW CUT SLURRY AND PLANING WASTE FROM LEAVING SITE AND
<br /> 0
<br /> FROM ENTERING STORMWATER CONVEYANCE SYSTEMS INCLUDING DITCHES AND CULVERTS. SIGNATURE:
<br /> GENERAL SWPPP NOTES FOR CONSTRUCTION ACTIVITY CONSTRUCTION ENTRANCE 1 EA
<br /> w RECORD RETENTION DATE: 08/09/2022 LICENSE N0. 51317
<br /> 1 . CONTRACTOR SHALL AMEND THE SWPPP AND DOCUMENT ANY AND ALL CHANGES TO THE SWPPP
<br /> of AND ASSOCIATED PLAN SHEETS WITHIN 7 DAYS UPON IMPLEMENTATION. STORE THE SWPPP AND ALL THE SWPPP, ALL CHANGES TO IT AND INSPECTION AND MAINTENANCE RECORDS MUST BE KEPT ON-SITE REVISION LOG
<br /> AMENDMENTS ON SITE AT ALL TIMES. DURING CONSTRUCTION. THE OWNER MUST RETAIN A COPY OF THE SWPPP ALONG WITH THE FOLLOWING
<br /> i~
<br /> 2. PREPARE AND SUBMIT A SITE MANAGEMENT PLAN FOR THE ENGINEER'S ACCEPTANCE FOR RECORDS FOR THREE (3) YEARS AFTER SUBMITTAL OF THE NOTICE OF TERMINATION (NOT). DEWATERING (TREATMENT LOCATION, N0. DATE DESCRIPTION OF REVISIONS
<br /> Q
<br /> CONCRETE MANAGEMENT, CONCRETE SLURRY APPLICATION AREAS, WORK IN AND NEAR AREAS OF SCHEMATIC, & SAMPLING PLAN REQUIRED 1 8/19/22 REVISED PER CITY COMMENTS
<br /> ENVIRONMENTAL SENSITIVITY, AREAS IDENTIFIED IN THE PLANS AS "SITE MANAGEMENT PLAN AREA", 1. ANY OTHER PERMITS REQUIRED FOR THE PROJECT. 2 10/31/22 REVISED PER UPDATED DELINEATION
<br /> of ANY WORK THAT WILL REQUIRE DEWATERING, AND AS REQUESTED BY THE ENGINEER. SUBMIT ALL 2. RECORDS OF ALL INSPECTION AND MAINTENANCE CONDUCTED DURING CONSTRUCTION 3 11/18/22 REVISED PER CITY COMMENTS
<br /> SITE MANAGEMENT PLANS TO THE ENGINEER IN WRITING. ALLOW ALL MINIMUM OF 7 DAYS FOR THE 3. ALL PERMANENT OPERATIONS AND MAINTENANCE AGREEMENT THAT HAVE BEEN IMPLEMENTED
<br /> � ENGINEER TO REVIEW AND ACCEPT SITE MANAGEMENT PLAN SUBMITTALS. WORK WILL NOT BE
<br /> INCLUDING ALL RIGHT OF WAY, CONTRACTS, COVENANTS AND OTHER BINDING REQUIREMENTS 4 11/21/22 STORM SEWER REVISIONS
<br /> o ALLOWED TO COMMENCE IF A SITE MANAGEMENT PLAN IS REQUIRED UNTIL ACCEPTANCE HAS BEEN REGARDING PERPETUAL MAINTENANCE; AND CONCRETE TRUCK WASHOUT 1 EA
<br /> i GRANTED BY THE ENGINEER. THERE WILL BE NO EXTRA TIME ADDED TO THE CONTRACT DUE TO THE 4. ALL REQUIRED CALCULATIONS FOR DESIGN OF THE TEMPORARY AND PERMANENT STORMWATER
<br /> UNTIMELY SUBMITTAL. MANAGEMENT SYSTEMS.
<br /> = 3. IT IS THE DESIGNER'S INTENT THAT THE CONTRACTOR BUILD PONDS AND INSTALL EROSION
<br /> CONTROL BMPS BEFORE PUTTING THEM INTO ACTIVE SERVICE TO THE MAXIMUM EXTENT PRELIMINARY PLAT
<br /> Q PRACTICABLE. SWPPP SCHEDULE OF INSTALLATION & MAINTENANCE 08/09/2022
<br /> � 4. BURNING OF ANY MATERIAL IS NOT ALLOWED WITHIN PROJECT BOUNDARY.
<br /> Y5. DO NOT DISTURB AREAS OUTSIDE OF THE CONSTRUCTION LIMITS. DELINEATE AREAS NOT TO BE INSPECTION & DESIGNED: DRAWN: CHECKED BY:
<br /> w DISTURBED PRIOR TO STARTING GROUND DISTURBING ACTIVITIES. IF IT BECOMES NECESSARY TO ITEM INSTALLATION MAINTENANCE REMOVAL AT JR AT
<br /> o DISTURBED AREAS OUTSIDE OF THE CONSTRUCTION LIMITS OBTAIN WRITTEN PERMISSION FROM THE
<br /> PROJECT ENGINEER PRIOR TO PROCEEDING. PRESERVE ALL NATURAL BUFFERS SHOWN ON THE INSPECT& MAINT. AFTER EACH DRAWING TITLE
<br /> PLANS. SILT FENCE PRIOR TO COMMENCEMENT OF RUN-OFF EVENT. REMOVE AFTER TRIBUTARY DRAINAGE
<br /> EARTHWORK OPERATIONS. SEDIMENTS AS REQUIRED. AREA IS RESTORED.
<br /> 6. ROUTE STORMWATER AROUND UNSTABILIZED AREAS OF THE SITE WHENEVER FEASIBLE. PROVIDE
<br /> EROSION CONTROL AND VELOCITY DISSIPATION DEVICES AS NEEDED TO KEEP CHANNELS FROM
<br /> ERODING AND TO PREVENT NUISANCE CONDITIONS AT THE OUTLET. ROCK CONST. PRIOR TO COMMENCEMENT OF INSPECT REGULARLY. MAINTAINcn PRIOR TO PAVING.
<br /> o
<br /> 7. DIRECT DISCHARGES FROM BMPS TO VEGETATED AREA WHENEVER FEASIBLE. PROVIDE VELOCITY ENTRANCE EARTHWORK OPERATIONS. AS NEEDED.
<br /> DISSIPATION DEVICES AS NEEDED TO PREVENT EROSION. OUTLET SKIMMER INSPECT REGULARLY. MAINTAIN SWPPP - PG 2
<br /> 0 0 8. THE EROSION PREVENTION AND SEDIMENT CONTROL BMPS SHALL BE PLACED AS NECESSARY TO STRUCTURE AFTER POND GRADING IS AS NEEDED. PERMANENT.
<br /> o m COMPLETED.
<br /> o MINIMIZE EROSION FROM DISTURBED SURFACES AND TO CAPTURE SEDIMENT ON SITE. ALL EROSION
<br /> CONTROL MEASURES SHALL BE IN PLACE PRIOR TO COMMENCEMENT OF ANY REMOVAL WORK RIP-RAP & UPON COMPLETION OF POND INSPECT& MAINTAIN AT LEAST
<br /> } o AND/OR GROUND DISTURBING ACTIVITIES COMMENCE. FILTER GRADING, CONC. SWALE CONST. ANNUALLY AND AFTER HEAVY PERMANENT.
<br /> L 9. ESTABLISH SEDIMENT CONTROL DEVICES ON ALL DOWN GRADIENT PERIMETERS AND UP GRADIENT AND OUTLET INSTALLATION. RAINFALL EVENT.
<br /> E OF ANY BUFFER ZONES BEFORE AND UP GRADIENT LAND DISTURBING ACTIVITIES BEGIN. MAINTAIN DETENTION POND DURING EARTHWORK AFTER HEAVY RAINFALL EVENTS. PERMANENT.
<br /> c° SEDIMENT CONTROL DEVICES UNTIL CONSTRUCTION IS COMPLETE AND THE SITE IS STABILIZED. OPERATIONS. REMOVE SEDIMENTS AS NEEDED.
<br /> 10. LOCATE PERIMETER CONTROL ON THE CONTOUR TO CAPTURE OVERLAND, LOW-VELOCITY SHEET INSPECT&MAINTAIN AFTER HEAVY DRAWING NO.
<br /> bj
<br /> Q Q FLOWS DOWN GRADIENT OF ALL EXPOSED SOILS AND PRIOR TO DISCHARGING TO SURFACE WATERS. SEED & MULCH AFTER POND GRADING IS RAINS. REPLACE WASH-OUT NO REMOVAL NECESSARY.
<br /> � COMPLETED. AREAS IMMEDIATELY
<br /> ro PLACE J-HOOKS AT A MAXIMUM OF 100 FOOT INTERVALS.
<br /> N 11. PROVIDE PERIMETER CONTROL AROUND ALL STOCKPILES. PLACE BMP A MINIMUM 5 FEET FROM THE INLET PROTECTION UPON INLET CONSTRUCTING WHEN 1/3 CAPACITY OF BMP IS AFTER TRIBUTARY AREAS
<br /> E REACHED ARE FULLY RESTORED
<br /> o TOE OF SLOPE WHERE FEASIBLE. DO NOT PLACE STOCKPILES IN NATURAL BUFFER AREAS, SURFACE
<br /> WATERS OR STORMWATER CONVEYANCES. clo
<br /> 12. DISCHARGE TURBID OR SEDIMENT LADEN WATER TO TEMPORARY SEDIMENT BASINS WHENEVER
<br /> FEASIBLE. IN THE EVENT THAT IT IS NOT FEASIBLE TO DISCHARGE THE SEDIMENT LADEN WATER TO A
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<br /> PLOTTED: COMM. NO.
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