In the Matter of the Application of Marshall Solar, LLC for a Site Permit for the Marshall Solar Electric Power Generating Plant in Lyon County, Minnesota MPUC Docket No. IP-6941/GS-14-1052

Updated Site Plan Drawings and Specifications and SWPPP (Site Permit Sections 4.2.7 and 8.3)

STORMWATER POLLUTION PREVENTION PLAN (SWPPP) FOR MARSHALL SOLAR (Part 2 OF 2)

Stormwater Pollution Prevention Plan (SWPPP) MARSHALL SOLAR

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EROSION CONTROL NOTES 1.

CONSTRUCTION SHALL COMPLY WITH ALL APPLICABLE GOVERNING CODES AND BE CONSTRUCTED TO SAME. WHERE A CONFLICT EXISTS BETWEEN LOCAL JURISDICTIONAL STANDARD SPECIFICATIONS AND EVS INC. STANDARD SPECIFICATIONS, THE MORE STRINGENT SPECIFICATION SHALL APPLY.

2.

FAILURE TO COMPLY WITH ANY PROVISIONS OF THE STORM WATER POLLUTION CONTROL PLAN, RESULTING IN ENFORCEMENT MEASURES BY THE MINNESOTA POLLUTION CONTROL AGENCY, ARE THE SOLE RESPONSIBILITY OF THE CONTRACTOR. FINES OR CORRECTIVE ACTIONS REQUIRED TO BE TAKEN WILL BE PAID FOR BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE OWNER.

3.

THE DESIGN SHOWN IS BASED UPON THE ENGINEER'S UNDERSTANDING OF THE EXISITING CONDITIONS. IF CONTRACTOR DOES NOT ACCEPT EXISTING TOPOGRAPHY AS SHOWN ON THE PLANS WITHOUT EXCEPTION, THEY SHALL HAVE MADE, AT THEIR EXPENSE, A TOPOGRAPHIC SURVEY BY A REGISTERED LAND SURVEYOR AND SUBMIT IT TO THE OWNER FOR REVIEW. SEE ATTACHED SURVEY SHEETS.

4.

THE STORMWATER POLLUTION PREVENTION PLAN (SWPPP) IS COMPRISED OF THIS DRAWING (EROSION & SEDIMENTATION CONTROL PLAN-ESC PLAN), THE STANDARD DETAILS, THE PLAN NARRATIVE, ATTACHMENTS INCLUDED IN THE STORMWATER COMPLIANCE BINDER, PLUS THE PERMIT AND ALL SUBSEQUENT REPORTS AND RELATED DOCUMENTS.

5.

ALL CONTRACTORS AND SUBCONTRACTORS INVOLVED WITH STORM WATER POLLUTION PREVENTION SHALL OBTAIN A COPY OF THE SWPPP AND THE STATE OF MINNESOTA NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM GENERAL PERMIT (NPDES PERMIT) AND BECOME FAMILIAR WITH THEIR CONTENTS. THE SWPPP AND ALL OTHER RELATED DOCUMENTS MUST BE KEPT AT THE SITE DURING CONSTRUCTION.

6.

7.

8.

9.

CONTRACTOR SHALL IMPLEMENT BEST MANAGEMENT PRACTICES (BMP'S) AS REQUIRED BY THE SWPPP & PERMITS. THE CONTRACTOR SHALL OVERSEE THE INSPECTION & MAINTENANCE OF THE BMP'S AND EROSION PREVENTION FROM BEGINNING OF CONSTRUCTION AND UNTIL CONSTRUCTION IS COMPLETED, IS APPROVED BY ALL AUTHORITIES, THE NOTICE OF TERMINATION (NOT) HAS BEEN FILED WITH THE MPCA BY EITHER THE OWNER OR OPERATOR AS APPROVED ON PERMIT. ADDITIONAL BMP'S SHALL BE IMPLEMENTED AS DICTATED BY CONDITIONS AT NO ADDITIONAL COST TO OWNER THROUGHOUT ALL PHASES OF CONSTRUCTION. BMP'S AND CONTROLS SHALL CONFORM TO FEDERAL, STATE, OR LOCAL REQUIREMENTS OR MANUAL OF PRACTICE, AS APPLICABLE. CONTRACTOR SHALL IMPLEMENT ADDITIONAL CONTROLS AS DIRECTED BY PERMITTING AGENCY OR OWNER. ESC PLAN MUST CLEARLY DELINEATE ALL STATE WATERS. PERMITS FOR ANY CONSTRUCTION ACTIVITY IMPACTING STATE WATERS OR REGULATED WETLANDS MUST BE MAINTAINED ON SITE AT ALL TIMES. CONTRACTOR SHALL MINIMIZE CLEARING TO THE MAXIMUM EXTENT PRACTICAL OR AS REQUIRED BY THE GENERAL PERMIT. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY DELINEATED (E.G. WITH FLAGS, STAKES, SIGNS, SILT FENCE, ETC.) ON THE DEVELOPMENT SITE BEFORE WORK BEGINS.

10. GENERAL CONTRACTOR SHALL DENOTE ON PLAN THE TEMPORARY PARKING AND STORAGE AREA WHICH SHALL ALSO BE USED AS THE EQUIPMENT MAINTENANCE AND CLEANING AREA, EMPLOYEE PARKING AREA, AND AREA FOR LOCATING PORTABLE FACILITIES, OFFICE TRAILERS, AND TOILET FACILITIES. 11. ALL WASH WATER (CONCRETE TRUCKS, VEHICLE CLEANING, EQUIPMENT CLEANING, ETC.) MUST BE LIMITED TO A DEFINED AREA OF THE SITE AND SHALL BE CONTAINED AND PROPERLY TREATED OR DISPOSED. NO ENGINE DEGREASING IS ALLOWED ON SITE. 12. SUFFICIENT OIL AND GREASE ABSORBING MATERIALS SHALL BE MAINTAINED ON SITE OR READLY AVAILABLE TO CONTAIN AND CLEAN-UP FUEL OR CHEMICAL SPILLS AND LEAKS. 13. ADVERSE DUST ON THE SITE SHALL BE CONTROLLED. THE USE OF MOTOR OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION OPERATIONS IS PROHIBITED.

DEMOLITION NOTES 1.

2. 3.

4.

THE LOCATIONS OF EXISTING UTILITIES SHOWN ON THESE PLANS ARE APPROXIMATE ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BASED ON OBSERVABLE PHYSICAL EVIDENCE PER ONE CALL & ALTA SURVEY BEFORE COMMENCING WORK. CONTRACTOR ASSUMES ALL LIABILITY FOR DAMAGES TO KNOWN & IDENTIFIED EXISTING UTILITIES OR TO THE PROJECT, OCCASIONED BY HIS FAILURE TO PRESERVE, AND PROTECT EXISTING UTILITIES PREVIOUSLY IDENTIFIED. THE CONTRACTOR IS REQUIRED TO TAKE PRECAUTIONARY MEASURES TO PROTECT KNOWN & IDENTIFIED EXISTING SITE OR UTILITY ELEMENTS NOT INTENDED FOR DEMOLITION OR REMOVAL. MATERIAL AND ITEMS SHOWN TO BE REMOVED AS PART OF THIS PROJECT SHALL BE DISPOSED OF OR RECYCLED AT LICENSED DISPOSAL OR RECYCLING FACILITIES COMPLYING WITH LOCAL, STATE, AND FEDERAL REGULATIONS. BACKFILL ALL DEPRESSIONS AND TRENCHES FROM DEMOLITION ACCORDING TO TRENCH BACKFILL REQUIREMENTS.

GENERAL NOTES 1. 2. 3. 4. 5. 6.

7.

8.

PROPOSED SOLAR LAYOUT FOR THIS PROJECT IS PROVIDED BY OTHERS. SEE SURVEY NOTES BELOW FOR INFORMATION PERTAINING TO THE TOPOGRAPHIC SURVEY AND THE ALTA SURVEY PREPARED FOR THIS PROJECT. CONTRACTOR SHALL FIELD VERIFY SURVEY CONTROL AND DESIGN COORDINATES PRIOR TO STARTING CONSTRUCTION. CONTRACTOR IS RESPONSIBLE FOR REPAIRS OF DAMAGE TO KNOWN & IDENTIFIED EXISTING AND NEW FACILITIES RESULTING FROM CONSTRUCTION ACTIVITIES. CONTOURS SHOWN ARE TO FINISHED GRADE OR TOP OF AGGREGATE. CONTRACTOR IS RESPONSIBLE FOR SITE DRAINAGE DURING CONSTRUCTION. CONSTRUCTION ACTIVITIES SHALL NOT ALTER NATURAL DRAINAGE PATTERNS OTHER THAN WHAT IS SHOWN ON THE PLANS, OR IN WAYS THAT WOULD CAUSE DAMAGE TO KNOWN & IDENTIFIED EXISTING FACILITIES OR NEIGHBORING PROPERTIES. ELECTRONIC FILES OF THESE CONSTRUCTION DRAWINGS ARE AVAILABLE UPON REQUEST BUT ARE TO BE USED AT THE CONTRACTORS RISK. PLAN DRAWINGS SHOULD BE USED TO VERIFY ELECTRONIC DATA. ANY DISCREPANCIES SHOULD BE BROUGHT TO THE ATTENTION OF THE ENGINEER IMMEDIATELY. LOCATIONS OF DRAIN TILES HAVE BEEN SURVEYED BY POTHOLING LOCATIONS AT THE POINTS SHOWN AND INTERPOLATING THE ROUTES BETWEEN POINTS. CONTRACTOR IS TO AVOID DAMAGING DRAIN TILES DURING EXCAVATION AND TRENCHING AS MUCH AS PRACTICAL, OR SHALL REPAIR DRAIN TILES TO THE CONDITION AGREED UPON BETWEEN OWNER AND CONTRACTOR. EXISTING DRAIN TILES IN CONFLICT WITH PROPOSED WORK ARE TO BE RE-ROUTED SUCH THAT DRAIN TILE FUNCTION IS NOT ADVERSELY AFFECTED.

SURVEY COORDINATE NOTES SURVEY CONTROL DATUMS: HORIZONTAL: THE NORTHING AND EASTING COORDINATES FOR THIS PROJECT ARE MINNESOTA COUNTY COORDINATES. VERTICAL: THE ELEVATIONS ARE NORTH AMERICAN DATUM 1988 (GEOID 12A) EXPRESSED IN US SURVEY FEET. BENCHMARK:

14. SOLID WASTE: COLLECTED SEDIMENT, ASPHALT & CONCRETE MILLINGS, FLOATING DEBRIS, PAPER, PLASTIC, FABRIC, CONSTRUCTION & DEMOLITION DEBRIS & OTHER WASTES MUST BE DISPOSED OF PROPERLY & MUST COMPLY WITH MPCA DISPOSAL REQUIREMENTS. 15. HAZARDOUS MATERIALS: OIL, GASOLINE, PAINT & ANY HAZARDOUS SUBSTANCES MUST BE PROPERLY STORED, INCLUDING SECONDARY CONTAINMENT, TO PREVENT SPILLS, LEAKS OR OTHER DISCHARGE. RESTRICTED ACCESS TO STORAGE AREAS MUST BE PROVIDED TO PREVENT VANDALISM. STORAGE & DISPOSAL OF HAZARDOUS WASTE MUST BE IN COMPLIANCE WITH MPCA REGULATIONS.

18. DISTURBED PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITY HAS PERMANENTLY STOPPED SHALL BE PERMANENTLY SEEDED. THESE AREAS SHALL BE SEEDED ACCORDING TO THE SEQUENCING DESCRIBED IN THE SWPPP. SEE PERMANENT TEMPORARY SEED MIXTURE SPECIFICATION ON THIS SHEET. 19. CONTRACTORS OR SUBCONTRACTORS WILL BE RESPONSIBLE FOR REMOVING SEDIMENT FROM CONVEYANCES & FROM TEMPORARY SEDIMENTATION BASINS THAT ARE TO BE USED AS PERMANENT WATER QUALITY MANAGEMENT BASINS. SEDIMENT MUST BE STABILIZED TO PREVENT IT FROM BEING WASHED BACK INTO THE BASIN, CONVEYANCES, OR DRAINAGEWAYS DISCHARGING OFF-SITE OR TO SURFACE WATERS. THE CLEANOUT OF PERMANENT BASINS MUST BE SUFFICIENT TO RETURN THE BASIN TO DESIGN CAPACITY. 20. ON-SITE & OFF-SITE SOIL STOCKPILE AND BORROW AREAS SHALL BE PROTECTED FROM EROSION AND SEDIMENTATION THROUGH IMPLEMENTATION OF BMP'S. STOCKPILE AND BORROW AREA LOCATIONS SHALL BE NOTED ON THE SITE MAP AND PERMITTED IN ACCORDANCE WITH GENERAL PERMIT REQUIREMENTS. 21. TEMPORARY SOIL STOCKPILES MUST HAVE SILT FENCE OR OTHER EFFECTIVE SEDIMENT CONTROLS & CANNOT BE PLACED IN SURFACE WATERS, INCLUDING STORMWATER CONVEYANCES SUCH AS CONDUITS AND DITCHES. 22. SLOPES SHALL BE LEFT IN A ROUGHENED CONDITION DURING THE GRADING PHASE TO REDUCE RUNOFF VELOCITIES AND EROSION.

VEGETATION ESTABLISHMENT SPECIFICATION TEMPORARY SEEDING IN COMPLIANCE WITH THE SWPPP DOCUMENT, DISTURBED PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITY HAS STOPPED FOR A PERIOD EXCEEDING 1 WEEK SHALL BE SEEDED. SEEDING EXECUTION SHALL BE IN COMPLIANCE WITH MNDOT SPECIFICATION SECTION 2575. TEMPORARY SEED MIX SHALL BE AS FOLLOWS: TEMPORARY SEED MIX SHALL BE FLEX GUARD FIBER REINFORCED MATRIX, MANUFACTURED BY MAT, INC. INSTALLATION SHALL BE IN COMPLIANCE WITH MANUFACTURERS SPECIFICATION. PERMANENT SEEDING AT THE COMPLETION OF EARTH DISTURBING ACTIVITIES, ALL DISTURBED PORTIONS OF THE SITE SHALL BE PERMANENTLY SEEDED. SEEDING EXECUTION SHALL BE IN COMPLIANCE WITH MNDOT SPECIFICATION SECTION 2575. PERMANENT SEED MIX SHALL BE AS FOLLOWS: PERMANENT SEED SHALL BE A NATIVE PRAIRIE GRASS MIX CONFORMING TO PARAGRAPH 4.1.1 "SEED MIXES" OF THE AGRICULTURAL MITIGATION PLAN AND VEGETATION MANAGEMENT PLAN, DATED FEBRUARY 2016. TOPSOIL PROVIDE A MINIMUM 4 INCHES OF NATIVE IN-PLACE TOPSOIL TO MEET INDICATED FINISHED GRADE. REMOVE LARGE DEBRIS AND LARGE STONES. PROTECT TOPSOIL FROM DAMAGE OR COMPACTION BY VEHICULAR OR PEDESTRIAN TRAFFIC.

23. DUE TO THE GRADE CHANGES DURING THE DEVELOPMENT OF THE PROJECT, THE CONTRACTOR SHALL BE RESPONSIBLE FOR ADJUSTING THE EROSION CONTROL MEASURES (SILT FENCES, CHECK DAMS, INLET PROTECTION DEVICES, ETC.) TO PREVENT EROSION. 24. ALL CONSTRUCTION SHALL BE STABILIZED AT THE END OF EACH WORKING DAY, THIS INCLUDES BACKFILLING OF TRENCHES FOR UTILITY CONSTRUCTION AND PLACEMENT OF GRAVEL FOR ROAD CONSTRUCTION.

SITE PREPARATION 1. STRIP AND REMOVE TOPSOIL, VEGETATION, AND OTHER DELETERIOUS ORGANIC MATERIAL FROM PROPOSED EQUIPMENT PADS, FILL AREAS, AND ROADWAYS. STOCKPILE TOPSOIL AND IMMEDIATELY STABILIZE UNTIL RE-SPREAD FOR USE TO RE-VEGETATE DISTURBED AREAS AFTER GRADING OPERATIONS ARE COMPLETE. AS AN ALTERNATIVE TO PLACING GEOGRID OVER COMPACTED SUBGRADE, THE CONTRACTOR MAY OPT TO STABILIZE THE SUBGRADE WITH A LIME APPLICATION. SEE LIME APPLICATION SPECIFICATION BELOW. 2. SUBGRADE PREPARATION FOR EQUIPMENT PADS AND SPREAD FOOTINGS IS AS FOLLOWS: 2.1. OVER EXCAVATE TO A DEPTH OF 42 INCHES BELOW FINISHED GRADE AND A WIDTH OF 2 FEET BEYOND PAD OR FOUNDATION LIMITS. 2.2. COMPACT BOTTOM OF EXCAVATION TO A MINIMUM OF 95% OF STANDARD PROCTOR MAXIMUM DENSITY. 2.3. BACKFILLL WITH A NON-FROST SUSCEPTIBLE FREE DRAINING AGGREGATE. 2.4. COMPACT AGGREGATE TO A MINIMUM OF 95% OF STANDARD PROCTOR MAXIMUM DENSITY. 3. SUBGRADE PREPARATION FOR ROADWAYS IS AS FOLLOWS: 3.1. SCARIFY TO A MINIMUM DEPTH OF 6 INCHES 3.2. MOISTURE CONDITION SOILS TO AT LEAST 2 PERCENT OVER OPTIMUM MOISTURE CONTENT 3.3. COMPACT TO A MINIMUM OF 95% OF STANDARD PROCTOR MAXIMUM DENSITY. EXCAVATION SHALL EXTEND 5' BEYOND EXTENTS OF IMPROVEMENTS FOR PADS OR FOOTINGS. 3.4. PROOF ROLL WITH FULLY LOADED DUMP TRUCK OR OTHER SIMILARLY WEIGHTED PNEUMATIC TIRED EQUIPMENT. 3.5. UNSTABLE AREAS IDENTIFIED DURING PROOF ROLL SHOULD BE EXCAVATED A MINIMUM OF 12 INCHES AND RE-STABILIZED. 4. SUBGRADE PREPARATION FOR NON-STRUCTURAL FILL AREAS SHALL CONSIST OF COMPACTION TO 95% OF STANDARD PROCTOR MAXIMUM DENSITY. 5. AT THE COMPLETION OF CONSTRUCTION, RE-GRADE AGGREGATE ROAD SURFACE TO ELIMINATE RUTS CAUSED BY CONSTRUCTION TRAFFIC. FILL PLACEMENT 1. ENGINEERED FILL - MOST ON-SITE SOILS, EXCEPT FOR ORGANIC SOILS, ARE EXPECTED TO BE SUITABLE FOR USE AS ENGINEERED FILL. 2. SELECT GRANULAR FILL - GRANULAR, WELL GRADED MATERIAL WITH NO ORGANICS, A MAXIMUM PARTICLE SIZE OF 2 INCHES, AND LESS THAN 12 PERCENT PASSING THE U.S. No. 200 SEIVE. 3. FILL SHALL BE MOISTENED WITHIN 2 PERCENT OF OPTIMUM MOISTURE CONTENT. 4. FILL SHALL BE PLACED IN LIFTS OF LESS THAN 8 INCHES LOOSE DEPTH AND COMPACTED TO AT LEAST 95% OF STANDARD PROCTOR MAXIMUM DENSITY. 5. TRENCH BACKFILL SHALL BE COMPACTED TO AT LEAST 85 PERCENT OF STANDARD PROCTOR MAXIMUM DENSITY OR APPROVED CONTRACTOR BEST PRACTICES, EXCEPT IN STRUCTURAL AREAS SHALL BE COMPACTED TO 95 PERCENT. EARTHWORK BALANCE

THE INTENTION OF THE GRADING DESIGN IS TO BALANCE THE EARTHWORK ON SITE WITHOUT THE NEED FOR IMPORT OR EXPORT. THE CONTRACTOR SHALL FIELD ADJUST CUT AND FILL AS NECESSARY TO CREATE A BALANCED SITE WITHOUT NEGATIVELY IMPACTING DRAINAGE PATTERNS OR INCREASING MAXIMUM SLOPES. AGGREGATES 1. AGGREGATE BASE SHALL BE MOISTENED TO WITHIN 3 PERCENT OF OPTIMUM MOISTURE CONTENT AND COMPACTED TO A MINIMUM OF 95% OF STANDARD PROCTOR MAXIMUM DENSITY.

CIVIL QUANTITIES AND NOTES

AGGREGATE BASE GRADATION - SHALL COMPLY WITH THE GRADATION REQUIREMENTS OF TABLE 3138-3, CLASS 5, OF SECTION 3138 "AGGREGATE", OF THE MINNESOTA DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS. MINNESOTA DOT AGGREGATE BASE GRADATION PERCENT PASSING 1"...................................................................................................................................100 3/4"................................................................................................................................90-100 3/8"................................................................................................................................50-90 NO. 4.............................................................................................................................35-80 NO. 10...........................................................................................................................20-65 NO. 40...........................................................................................................................10-35 NO. 200.........................................................................................................................3.0-10.0 COARSE AGGREGATE GRADATION - SHALL COMPLY WITH THE GRADATION REQUIREMENTS OF TABLE 2514-1, AGGREGATE DESIGNATION CA-2, OF SECTION 2514, OF THE MINNESOTA DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS.

16. ALL STORM WATER POLLUTION PREVENTION MEASURES PRESENTED ON THIS PLAN, AND IN THE SWPPP, SHALL BE INITIATED AS SOON AS PRACTICABLE AND PRIOR TO ANY SITEWORK. 17. DISTURBED PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITY HAS STOPPED FOR A PERIOD EXCEEDING ONE WEEK SHALL BE TEMPORARILY SEEDED. SEE TEMPORARY SEED MIXTURE SPECIFICATION ON THIS SHEET.

EARTHWORK NOTES

MINNESOTA DOT COARSE AGGREGATE GRADATION PERCENT PASSING 1 1/2".............................................................................................................................100 1 1/4".............................................................................................................................85-100 3/4"................................................................................................................................5-35 NO. 4".............................................................................................................................0-5 RIP RAP GRADATION - SHALL COMPLY WITH THE GRADATION REQUIREMENTS OF CLASS 3 RIP RAP, SECTION 3601 OF THE MINNESOTA DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS. MINNESOTA DOT RIP RAP GRADATION PERCENT PASSING 18".................................................................................................................................100 12".................................................................................................................................75 9"...................................................................................................................................50 3"...................................................................................................................................10

GEOGRID FABRIC TENSAR BX1200, OR EQUIVALENT APPROVED BY ENGINEER OF RECORD. LIME / CEMENT STABILIZATION

MIX DESIGN FOR LIME/CEMENT STABILZATION SHALL BE DEVELOPED BY A COMMERCIAL LABORATORY MEETING THE REQUIREMENTS OF ASTM D 3740 AND SUBMITTED TO THE ENGINEER FOR REVIEW. MIXTURE DEPTH FOR LIME/CEMENT APPLICATION SHALL BE 9 INCHES INTO EXISTING SUBGRADE. COMPACTION REQUIREMENTS FOR STABILZED SUBGRADE SHALL BE THE SAME AS THOSE ABOVE FOR STANDARD SUBGRADE PREPARATION.

TESTING REQUIREMENTS EARTHWORK QUANTITIES

DEFINITION 1. TESTING SHALL BE PERFORMED BY A DESIGNATED INDEPENDENT TESTING AGENCY. 2. PROOFROLLING TEST FOR SUBGRADE & BASE AGGREGATE SHALL BE CONSIDERED ACCEPTABLE IF RUTTING IS NO GREATER THAN 1.5". 3. STANDARD PROCTOR DENSITY TESTS SHALL BE IN CONFORMANCE WITH ASTM D698. 4. SOIL DENSITY IN PLACE TESTING SHALL BE IN CONFORMANCE WITH ASTM D2922. 5. MOISTURE CONTENT TEST OF IN PLACE SOIL SHALL BE IN CONFORMANCE WITH ASTM D3017. EXECUTION 1. COMPACTED SUBGRADE IN STRUCTURAL AREAS SHALL BE TESTED AS FOLLOWS: 1.1. ONE TEST PER 200 LF OF ROAD, IF DENSITY TESTS REQUIRED 1.2. ONE TEST PER ELECTRICAL EQUIPMENT PAD 2. FILL MATERIAL SHALL BE TESTED FOR GRAIN SIZE, SOIL CLASSIFICATION, PROCTOR TESTS, AND MOISTURE CONTENT AT A RATE OF ONE TEST PER 200 CY. FILL PLACEMENT SHALL BE TESTED FOR DENSITY ONCE PER 2 VERTICAL FEET FILL PLACED. 3. AGGREGATE BASE DENSITY SHALL BE TESTED ONCE PER 200 LF OF ROAD, IF DENSITY TESTS REQUIRED.

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EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

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SEE SHEET C400 FOR SURVEY STAKING DATA CORRESPONDING TO FENCE POINTS AND ROAD ALIGNMENT LABELS. EXISTING RESIDENTIAL STRUCTURES, UTILITIES, AND TREES TO BE DEMOLISHED AND REMOVED. REMOVALS AND WELL CAPPING ARE TO COMPLY WITH LOCAL AND STATE REQUIREMENTS. COORDINATION WITH LOCAL AGENCIES HAS DETERMINED THAT SETBACKS FROM PROPERTY LINES OR RIGHTS-OF-WAY WILL NOT APPLY TO THIS PROJECT.

___________________ Noah Waterhouse, PE DATE 5/03/16

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

NW/KMM

DATE

PROJECT #

5.03.16

2015-076

SHEET NUMBER

C107

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

NW/KMM

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PROJECT #

5.03.16

2015-076

SHEET NUMBER

C108

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

NW/KMM

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PROJECT #

5.03.16

2015-076

SHEET NUMBER

C109

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

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NW/KMM

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PROJECT #

5.03.16

2015-076

SHEET NUMBER

C110

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

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PROJECT #

5.03.16

2015-076

SHEET NUMBER

C111

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

NW/KMM

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PROJECT #

5.03.16

2015-076

SHEET NUMBER

C112

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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PROFESSIONAL CERTIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________ Noah Waterhouse, PE DATE 5/03/16

REGISTRATION NUMBER 46720

DRAWN BY

CHECKED BY

TM

NW/KMM

DATE

PROJECT #

5.03.16

2015-076

SHEET NUMBER

C113

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________

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Noah Waterhouse, PE DATE 4/01/16

REGISTRATION NUMBER 46720

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4.01.16

2015-076

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EC100

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EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

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___________________ Noah Waterhouse, PE DATE 4/01/16

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ROCK CONSTRUCTION ENTRANCE

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REGISTRATION NUMBER 46720

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2015-076

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EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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2015-076

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___________________ Noah Waterhouse, PE DATE 4/01/16

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I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

x

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EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

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I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. ___________________

DT

Noah Waterhouse, PE DATE 4/01/16

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REGISTRATION NUMBER 46720

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NW/KMM

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PROJECT #

4.01.16

2015-076

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WOOD STAKE

WOOD STAKE TO ONLY PENETRATE NETTING CHANNEL BOTTOM

EVS, INC. 10025 Valley View Road, Suite 140 Eden Prairie, Minnesota 55344 Phone: 952-646-0236 Fax: 952-646-0290 www.evs-eng.com

FLOW

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16" MIN

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STAKE TO BE PLACE AT TOE OF SLOPE, BOTH SIDES

1 C004

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2. EXCAVATE A 4"X4" TRENCH UPSLOPE ALONG THE LINE OF STAKES.

1. SET THE STAKES.

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AY DW

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UM IM

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S TH CCES D I M W OF A U H INIM IDT M W ' 20 TAL TO OR

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GEOTEXTILE OR GEOGRID LINER 8" MINIMUM DEPTH ROCK GRADATION = 4" MINUS

MAINTENANCE: ROCK CONSTRUCTION ENTRANCE THICKNESS SHALL BE CONSTANTLY MAINTAINED TO THE SPECIFIED DIMENSIONS BY ADDING ROCK. A STOCKPILE SHALL BE MAINTAINED ON SITE FOR THIS PURPOSE. AT THE END OF EACH CONSTRUCTION DAY, ALL SEDIMENT DEPOSITED ON PAVED ROADWAYS SHALL BE REMOVED AND RETURNED TO THE CONSTRUCTION SITE.

3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT TO THE TRENCH.

NOTES: FABRIC AS PER MNDOT SPEC. 3886 8 FOOT NOMINAL SPACING BETWEEN WOOD STAKES. 1.5 FEET MINIMUM EMBEDMENT. 6 TO 8 INCHES OF FABRIC EXTEND INTO TRENCH. 2"X2"X4' MINIMUM DIMENSIONS PER WOOD STAKE. PREASSEMBLED SILT FENCE IS ACCEPTABLE PER MN-DOT SPEC. 3886.

4 C004

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2

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24"x36"X3/4" PLYWOOD

PAINT PLYWOOD FACE WHITE WITH 4" (MIN.) STENCILED LETTERS PAINTED BLACK

A

CONCRETE WASHOUT AREA

A

ROCK ACCESS

DRAIN TILE INLET

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EARTH BERM MULTCH & SEED

36" MIN.

I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA.

15' MIN.

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PROFESSIONAL CERTIFICATION

VARIES

CONCRETE WASHOUT SIGN SILT FENCE

___________________

Noah Waterhouse, PE DATE 4/01/16

REGISTRATION NUMBER 46720

PLAN VIEW

W L) FLO PICA E Y C N (T RFA SU CTIO E DIR

NOTE: CONCRETE WASHOUT AREAS WILL HAVE AN IMPERMEABLE LINER TO PREVENT CONCRETE WASHOUT WATER FROM INFILTRATING/CONTACTING WITH SOIL. IMPERMEABLE LINER INCLUDES 10 MIL POLYLINER OR COMPACTED CLAY LINER. WASHOUT SYSTEMS CAN BE USED AS ALTERNATE WASHOUT AREAS.

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2015-076

IMPERMEABLE LINER

3 C004

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CONCRETE WASHOUT NOT TO SCALE

SHEET NUMBER

C004

Stormwater Pollution Prevention Plan (SWPPP) MARSHALL SOLAR Appendix B – Copy of General NPDES Permit

Page 1 of35 Permit No: MN RlOOOOl GENERAL PERMIT AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM/ STATE DISPOSAL SYSTEM PROGRAM

ISSUANCE DATE:

August 1, 2013

EXPIRATION DATE:

August 1, 2018

This permit is issued in compliance with the provisions of the Clean Water Act, as amended, {33 U.S.C. 1251 et seq.), 40 Code of Federal Regulations (CFR) 122, 123, 124,and 450 as amended; Minnesota Statute chapters 115 and 116, as amended, and Minn. R. chs. 7001, 7050, 7060 and 7090. This permit regulates discharges associated with stormwater affected by construction activity to waters of the state of Minnesota. This permit covers the stormwater discharges identified in Part I.A. of this permit. The limitations on permit coverage are identified in Part I. B. of this permit. Minn. R. 7090.2040 requires owner(s) of a construction activity to complete a Stormwater Pollution Prevention Plan (SWPPP) prior to submitting an application for this permit and prior to conducting any construction activity. No person shall commence construction activity covered by Part I.A. until permit coverage under this permit is effective or, if applicable, until the Minnesota Pollution Control Agency (MPCA) has issued an individual National Pollutant Discharge Elimination System (NPDES)/State Disposal System (SDS) Construction Stormwater (CSW) Permit for the project. Unless notified by the MPCA to the contrary, applicants who submit a complete and accurate application (including permit fee) in accordance with the requirements of this permit are authorized to discharge stormwater associated with construction activity under the terms and conditions of this permit as described in Part II.B.

Signature:

~~

Jo line Stine Commissioner

J7