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© 2019 Microsoft Corporation © 2019 DigitalGlobe ©CNES (2019) Distribution Airbus DS


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INC.

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UNLIMITED

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DUCKS

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GREAT PLAINS REGIONAL OFFICE

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PROJECT NO.

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DATE:

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SHEET NO.

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APPROVED BY:

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APPROVED BY:

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DESIGNED BY:

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1

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MN-452-1

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MMS

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BUFFALO LAKE WPA

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COVER SHEET

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IN COOPERATION WITH

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MURRAY COUNTY, MN

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SECTION 7, TOWNSHIP 107N, RANGE 39W

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DUCKS UNLIMITED

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DUCKS UNLIMITED, INC.

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PROJECT TOPOGRAPHY

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ESTIMATED QUANTITIES AND CONSTRUCTION NOTES

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PROJECT LOCATION MAPS

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%%UPLAN INDEX

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NOT TO SCALE

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%%ULOCATION MAP

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NOT TO SCALE

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%%UVICINITY MAP

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BUFFALO LAKE WPA

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PROJECT LOCATION

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%%UMINNESOTA

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PLAN VIEW TILE INVESTIGATION AND BREAK

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MAP POINT " " IS LOCATED ON STATE HWY 30 LOCATED IN DOVARY, MN TO SITE FROM MAP POINT: HEAD WEST ON STATE HWY 30 ±0.5 MILES TO INTERSECTION OF STATE HWY 30 AND250TH AVE. HEAD NORTH ON 250TH AVE ±2.5 MILES TO WPA PARKING LOT LOCATED ONWEST SIDE OF ROAD. ACCESS POINT LOCATION IS LAT: 44° 05' 09.3" LONG: 95° 33' 47.1"

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%%UPROJECT CONTACTS:

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PLAN VIEW SHALLOW RESTORATION AREA'S

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PLAN & PROFILE EMBANKMENT #1

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IF THESE PLANS ARE NOT PLOTTED AND/OR REPRODUCED AT THE ORIGINAL SIZE OF 24"x 36" ANY SCALE REFERENCED HEREIN SHOULD BE DISREGARDED AND THE PLANS SHOULD BE CONSIDERED "NOT TO SCALE."

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701-355-3519

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DU-GLARO BISMARCK, ND

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MADDIE SAYLOR

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PLAN VIEW EROSION CONTROL

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8

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STORM WATER POLLUTION PREVENTION PLAN

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9

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7

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US FISH AND WILDLIFE SERVICE

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LM,MO

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PROJECT LOCATION

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BUFFALO LAKE WPA

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ACCESS POINT, PARKING LOT.

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N

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N

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TODD LUKE-USFWS WINDOM, MN

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CONSTRUCT EMBANKMENT #1 SEE DETAILS AND NOTES SHEET 6.

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DOVRAY, MN

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BUFFALO LAKE

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250TH AVE

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HWY 30

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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. James A. Streifel, P.E. Date Date for Ducks Unlimited, Inc. License No. 47359

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507-822-0325

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507-822-6730

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DU-GLARO WINDOM, MN

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KASSY DUMKE

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HWY 30

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260TH AVE

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240TH AVE

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161st ST

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HWY 42

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161st ST

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151st ST

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SRA #1

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SRA #2

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SRA #3

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SRA #4

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SRA #5

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SRA #6

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SRA #7

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CONSTRUCT EMBANKMENT #2 SEE DETAILS AND NOTES SHEET 7.

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MACHINE CONTROL IS REQUIRED FOR THIS PROJECT. SEE DETAILS AND NOTES IN THESE PLANS.

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DESIGNATED BORROW AREA

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734-645-5030

This material, data and information in these plans is the property of Ducks Unlimited, Inc. It may not be usedor reproduced for any purpose without the prior written consent of an authorized agent of Ducks Unlimited,Inc. Ducks Unlimited, Inc. makes no representation or warranty of any kind regarding this material, data andinformation, including, but not limited to, the accuracy of the material, data and information or its suitabilityfor any purpose. All use of the material, data and information is at the users sole risk. By using any of thismaterial, data and information, user agrees that Ducks Unlimited, Inc. is not responsible for their use of thematerial, data and information or the results thereof.

RIPRAP SUPPLY SOURCE SHALL BE IDENTIFIED FOR INSPECTION BY THE USFWS FOR

INVASIVE SPECIES PRIOR TO TRANSPORTING ONSITE.

ESTIMATED QUANTITIES

NOTE SPEC.# ITEM UNIT QUANTITY

MOBILIZATION

SITE PREPARATION

EXCAVATION

EMBANKMENT

WATER

RIPRAP, REVETMENT AND AGGREGATE PLACEMENT

TILE DRAIN LOCATION AND REMOVAL

STORMWATER MANAGEMENT AND POLLUTION CONTROL

SEEDING AND MULCHING

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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DATE:

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SHEET NO.

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APPROVED BY:

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APPROVED BY:

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CHECKED BY:

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SURVEYED BY:

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DRAWN BY:

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2

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.

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MN-452-1

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MMS

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MLO

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LM,MO

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BUFFALO LAKE WPA

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ESTIMATED QUANTITIES

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UTILITIES NOTE BEFORE THE START OF CONSTRUCTION, THE OWNER OF ANY UTILITIES INVOLVED MUST BE NOTIFIED. THE EXCAVATOR/CONTRACTOR IS RESPONSIBLE FOR GIVING THIS NOTICE BY CALLING "GOPHER STATE ONE-CALL" AT 800-252-1166 AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION.

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CONSTRUCTION NOTES: 1. BID ITEM FOR MOBILIZATION SHALL INCLUDE EQUIPMENT, LABOR AND ALL OTHER ASSOCIATED COSTS BID ITEM FOR MOBILIZATION SHALL INCLUDE EQUIPMENT, LABOR AND ALL OTHER ASSOCIATED COSTS REQUIRED TO TRANSPORT ALL EQUIPMENT, LABOR, AND MATERIAL TO AND FROM PROJECT SITE TO SUCCESSFULLY COMPLETE THE PROJECT AS DETAILED IN THESE PLANS AND SPECIFICATIONS. PAYMENT WILL BE MADE ON THE CONTRACTOR'S LUMP SUM(L.S.) PRICE. 2. SITE PREPARATION BID ITEM SHALL INCLUDE STRIPPING BENEATH EMBANKMENTS, BORROW AREA, AND SITE PREPARATION BID ITEM SHALL INCLUDE STRIPPING BENEATH EMBANKMENTS, BORROW AREA, AND EMERGENCY SPILLWAYS. TOPSOIL SHALL BE STOCKPILED AND REPLACED OVER DISTURBED AREAS NOT RECEIVING RIPRAP. BID ITEM SHALL INCLUDE LEVELING AND DRAGGING OR DISKING PRIOR TO PLACEMENT OF SEED MIX ON ALL DISTURBED AREAS INCLUDING EMBANKMENTS, PLUGS, LEVEL CRESTS, SHALLOW RESTORATION AREAS, ACCESS TRAILS, BORROW AREA, ETC. 3. BID ITEM FOR EXCAVATION-SHALLOW RESTORATION AREAS (SRA) SHALL INCLUDE ALL WORK REQUIRED BID ITEM FOR EXCAVATION-SHALLOW RESTORATION AREAS (SRA) SHALL INCLUDE ALL WORK REQUIRED TO EXCAVATE THE SRA'S AS DETAILED AND NOTED ON SHEET 5. THIS INCLUDES CREATING LEVEL CREST ON SRA #3 AND PLUG ON SRA #6. ALL SPOIL MATERIAL WILL BE REMOVED FROM SRA LOCATIONS AND HAULED TO EMBANKMENTS #1 & #2 TO FLATTEN AND THICKEN SLOPES, SEE DETAILS AND NOTES SHEETS 5-6. BID ITEM IS BASED ON CUBIC YARD PLAN, THERE WILL BE NO ADJUSTMENT MADE FOR INCREASE OR DECREASE TO QUANTITY. CONTRACTOR WILL BE REQUIRED TO USE GPS "MACHINE CONTROL" GRADING FOR SRA EXCAVATIONS. 4. BID ITEM FOR EMBANKMENT SHALL INCLUDE ALL WORK REQUIRED TO CONSTRUCT THE EMBANKMENTS BID ITEM FOR EMBANKMENT SHALL INCLUDE ALL WORK REQUIRED TO CONSTRUCT THE EMBANKMENTS AS DETAILED AND NOTED ON SHEETS 6-7. MATERIAL SHALL BE TAKEN FROM DESIGNATED BORROW AREA AS SHOWN ON SHEETS 1, 4, & 5. MATERIAL SHALL BE PLACED AND COMPACTED AS DESCRIBED IN EMBANKMENT SPECIFICATION 204. QUANTITY IS BASED ON CUBIC YARD PLAN, THERE WILL BE NO ADJUSTMENT MADE FOR INCREASE OR DECREASE TO QUANTITY. EMERGENCY SPILLWAY EXCAVATION IS CONSIDERED "INCIDENTAL" TO THIS LINE ITEM. CONTRACTOR WILL BE REQUIRED TO USE GPS "MACHINE CONTROL" GRADING FOR EMBANKMENT CONSTRUCTION. 5. BID ITEM FOR WATER SHALL INCLUDE THE SUPPLY OF ALL LABOR, MATERIAL, AND EQUIPMENT BID ITEM FOR WATER SHALL INCLUDE THE SUPPLY OF ALL LABOR, MATERIAL, AND EQUIPMENT REQUIRED TO ADD WATER TO EMBANKMENTS. THIS BID ITEM INCLUDES LOCATING A WATER SOURCE AND DELIVERING WATER TO SITE. WATER SHALL BE APPLIED TO THE EMBANKMENT AREAS AS SPECIFIED IN DU CONSTRUCTION SPEC 205. PAYMENT WILL BE MADE ON THE CONTRACTOR'S MGAL(M.G.) PRICE FOR WATER. 6. BID ITEM FOR RIPRAP DU CLASS I IS AS SHOWN ON THE PLANS. NON-WOVEN FILTER FABRIC IS BID ITEM FOR RIPRAP DU CLASS I IS AS SHOWN ON THE PLANS. NON-WOVEN FILTER FABRIC IS REQUIRED BENEATH ALL ROCK RIPRAP IN EMERGENCY SPILLWAY LOCATIONS AND SHALL BE SECURED TO SLOPES AND BOTTOM USING PINS AS NOTED IN SPECIFICATION 305. EXCAVATION REQUIRED FOR ROCK RIPRAP AND PLACEMENT SHALL ALSO BE PAID FOR UNDER THIS LINE ITEM. ROCK CHECK DAMS ARE ALSO INCLUDED IN THIS LINE ITEM. CONTRACTOR WILL BE PAID FOR THE ACTUAL QUANTITY INSTALLED. QUANTITIES ARE BASED ON TONS, CONTRACTOR SHALL PROVIDE SCALE TICKETS SCALE TICKETS WITH WEIGHTS INCLUDING TARE WEIGHTS, GROSS WEIGHTS, AND NET WEIGHTS OF MATERIAL DELIVERED. RIPRAP SUPPLY SOURCE SHALL BE IDENTIFIED FOR INSPECTION BY THE USFWS FOR 7. BID ITEM FOR TILE INVESTIGATION SHALL INCLUDE STRIPPING, STOCKPILING, EXCAVATION, AND BID ITEM FOR TILE INVESTIGATION SHALL INCLUDE STRIPPING, STOCKPILING, EXCAVATION, AND BACKFILLING OPERATIONS ALONG THE VARIOUS TILE INVESTIGATION LOCATIONS AS SHOWN ON SHEET 4. THE DU FIELD REPRESENTATIVE WILL STAKE BEGIN AND END LOCATIONS IN THE FIELD. CONTRACTOR WILL ONLY BE PAID FOR THE ACTUAL L.F. EXCAVATED IN THE FIELD AS DETERMINED BY THE DU FIELD REPRESENTATIVE. SEE ADDITIONAL NOTES ON SHEET 4. BID ITEM FOR TILE BREAK SHALL INCLUDE STRIPPING, STOCKPILING, EXCAVATION, REMOVAL, AND BACKFILLING OPERATIONS OF THE VARIOUS TILE BREAK LOCATIONS AS SHOWN SHEET 4. ONCE TILE IS FOUND THE CONTRACTOR WILL FOLLOW THE EXISTING TILE LINE AND REMOVE AS NOTED ON SHEET 4. PAYMENT WILL BE BASED ON ACTUAL L.F. EXCAVATED IN THE FIELD AS DETERMINED BY THE DU FIELD REPRESENTATIVE . SEE ADDITIONAL DETAILS AND NOTES ON SHEET 4. 8. THE BID ITEM FOR STORM WATER MANAGEMENT AND POLLUTION CONTROL SHALL INCLUDE THE THE BID ITEM FOR STORM WATER MANAGEMENT AND POLLUTION CONTROL SHALL INCLUDE THE SUPPLY, INSTALLATION, AND MAINTENANCE OF MnDOT CATEGORY 3N EROSION CONTROL BLANKET AND SILT FENCE. EXACT LOCATION AND QUANTITY MAY VARY DEPENDING UPON ACTUAL SITE CONDITIONS. EROSION CONTROL MEASURES SHALL BE INSTALLED CONCURRENTLY OR WITHIN 24 HOURS AFTER THE START OF WORK AND WILL BE MAINTAINED FOR THE DURATION OF THE PROJECT. CONTRACTOR WILL BE PAID AT THE UNIT PRICE BID FOR THE ACTUAL QUANTITY INSTALLED. IT IS THE CONTRACTORS RESPONSIBILITY TO PREVENT SILT AND POLLUTION RUNOFF. IF ADDITIONAL ITEMS NOT LISTED ON THE UNIT PRICE TABLE ARE NEEDED, THOSE SHALL BE CONSIDERED EXTRA WORK. THE CONTRACTOR WILL ALSO BE REQUIRED TO OBTAIN THE STORM WATER PERMIT FOR CONSTRUCTION ACTIVITIES PRIOR TO THE START OF THE CONSTRUCTION. 9. BID ITEM FOR SEEDING AND MULCHING SHALL INCLUDE THE EQUIPMENT AND LABOR BID ITEM FOR SEEDING AND MULCHING SHALL INCLUDE THE EQUIPMENT AND LABOR REQUIRED TO LEVEL AND PREPARE TOPSOIL FOR SEEDING AND MULCHING IN ALL DISTURBED AREAS. THE CONTRACTOR WILL BE REQUIRED TO OBTAIN THE SPECIFIED SEED MIXTURE SHOWN IN THESE PLANS. SEED AND INSTALLATION SHALL BE DONE ACCORDING TO USFWS SPECIFICATIONS. MnDOT TYPE 1 MUCH SHALL BE APPLIED TO ALL AREAS SEEDED AS DIRECTED BY THE DU FIELD REPRESENTATIVE. PAYMENT WILL BE BASED ON ACTUAL ACRES WILL BE BASED ON ACTUAL ACRES SEEDED AND MULCHED AFTER FINAL COMPLETION OF PROJECT. THIS WILL BE DETERMINED BY OF PROJECT. THIS WILL BE DETERMINED BY BY DU FIELD REPRESENTATIVE.

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A NOTE CONCERNING INVASIVE SPECIES REQUIREMENTS THE MINNESOTA DNR/USFWS OPERATION ORDER 113 REQUIRES PREVENTING OR LIMITING THE INTRODUCTION, ESTABLISHMENT AND SPREAD OF INVASIVE SPECIES DURING ACTIVITIES ON PUBLIC WATER AND USFWS ADMINISTERED LANDS. THE CONTRACTOR SHALL PREVENT INVASIVE SPECIES FROM ENTERING INTO OR SPREADING WITHIN A PROJECT SITE BY CLEANING EQUIPMENT AND CLOTHING PRIOR TO ARRIVING AT THE PROJECT SITE. THE DNR SHALL INSPECT ALL EQUIPMENT AND CLOTHING AT THE STAGING AREA DETERMINED AT THE PRE-CONSTRUCTION MEETING. IF EQUIPMENT OR CLOTHING ARRIVES AT THE PROJECT SITE WITH SOIL, AGGREGATE MATERIAL, MULCH, VEGETATION (INCLUDING SEEDS) OR ANIMALS, IT SHALL BE CLEANED BY CONTRACTOR FURNISHED TOOL OR EQUIPMENT (BRUSH/BROOM, COMPRESSED AIR, OR PRESSURE WASHER) AT THE STAGING AREA. THE CONTRACTOR SHALL DISPOSE OF MATERIAL CLEANED FROM EQUIPMENT AND CLOTHING AT A LOCATION DETERMINED BY THE OWNER. IF MATERIAL CANNOT BE DISPOSED OF ONSITE, SECURE MATERIAL PRIOR TO TRANSPORT (SEALED CONTAINER, COVERED TRUCK, OR WRAP WITH TARP) AND LEGALLY DISPOSE OF OFFSITE. IF WORK IS PERFORMED WITHIN A WATER BODY, THE CONTRACTOR SHALL CLEAN EQUIPMENT AND CLOTHING AS NOTED ABOVE, PRIOR TO ENTERING AND LEAVING THE WATER BODY. DRAIN ALL WATER FROM EQUIPMENT WHERE WATER MIGHT BE TRAPPED, SUCH AS TANKS, PUMPS, HOSES, SILT CURTAINS, AND WATER RETAINING COMPONENTS OF BOATS/BARGES. THE SOURCES OF ALL IMPORTED MATERIAL SHALL BE INSPECTED FOR INVASIVE SPECIES BY THE USFWS PRIOR TO TRANSPORTING.

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1

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201

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L.S.

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1

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2

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202

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C.Y.-P

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885

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3

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203

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SHALLOW RESTORATION AREAS (SRA)

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C.Y.-P

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2,745

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4

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204

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EMBANKMENTS #1 AND #2

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C.Y.-P

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3,195

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5

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205

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M.G.

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32

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6

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305

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RIPRAP- DU CLASS I

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TON

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136

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7

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312

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TILE INVESTIGATION

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L.F.-A

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1,650

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TILE BREAK

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L.F.-A

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2,850

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8

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401

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EROSION CONTROL BLANKET

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S.Y.

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800

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SILT FENCE

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L.F.

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550

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STORM WATER PERMIT FOR CONSTRUCTION

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L.S.

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1

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9

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402

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ACRE

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7.0

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CONSTRUCTION SITE SAFETY NOTE CONSTRUCTION SITE SAFETY IS THE SOLE RESPONSIBILITY OF CONTRACTOR. DUCKS UNLIMITED, INC. SHALL NOT ASSUME ANY RESPONSIBILITY FOR THE SAFETY OF THE WORK PERFORMED. PERSONS ENGAGED IN THE WORK, NEARBY STRUCTURES, OR OF OTHER PERSONS ON-SITE.

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GLOBAL POSITIONING SYSTEM (GPS) "MACHINE CONTROL" GRADING NOTE: THE CONTRACTOR WILL BE REQUIRED TO USE MACHINE CONTROL FOR THIS PROJECT. DU WILL PROVIDE FINISHED GROUND SURFACES FOR SRA'S, COMPACTED CLAY EMBANKMENTS, SPILLWAYS, PLUG, AND LEVEL CRESTS. THERE WILL BE NO STAKES DELINEATING SRA'S, EMBANKMENTS, PLUGS, OR EMERGENCY SPILLWAYS ONSITE. THE CONTRACTOR WILL BE RESPONSIBLE FOR TYING INTO DU SURVEY CONTROL, EQUIP HEAVY EQUIPMENT, AND PERFORM THE WORK AS OUTLINED ON THESE PLANS. ANY QUESTIONS REGARDING MACHINE CONTROL CAN BE ANSWERED BY CALLING THE ENGINEER LISTED ON THE COVER SHEET.

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8-28-2019

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BUFFALO LAKE WPA

LEGEND

EXISTING EMBANKMENT

EXISTING FENCE LINE

WATERLINE

CL DRAW

EDGE CATTAILS

EDGE VEGETATION

USFWS PROPERTY BOUNDARY

DU CONTROL POINTS

TREES

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PARKING AREA

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100

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200

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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SHEET NO.

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3

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MN-452-1

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MMS

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MLO

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LM,MO

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BUFFALO LAKE WPA

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TOPOGRAPHY

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HORIZONTAL CONTROL- COORDINATES ARE UTM ZONE 15 NORTH COORDINATES ARE UTM ZONE 15 NORTH GRID COORDINATES IN US FEET [ITRF TO NAD 83 (2011)]. THEY WERE ESTABLISHED FROM THE WGS84 ELLIPSOID WITH INFORMATION FROM A TRIMBLE R10 AND R6 SURVEY GRADE GNSS RECEIVERS IN JUNE, 2019 AND CALIBRATED TO MINNESOTA DEPARTMENT OF TRANSPORTATION SURVEY STATION STAMPED "DOVRAY 1980" (PID PQ1063). HORIZONTAL COORDINATES FOR THIS STATION WERE ESTABLISHED BY GPS OBSERVATIONS AND ADJUSTED BY THE NATIONAL GEODETIC SURVEY IN JUNE 2012. VERTICAL CONTROL- WAS ESTABLISHED FROM THE GEOID 12A WAS ESTABLISHED FROM THE GEOID 12A CONUS AND CALIBRATED TO MINNESOTA DEPARTMENT OF TRANSPORTATION BENCHMARK STAMPED "DOVRAY 1980" (PID PQ1063) WHICH IS A SECOND ORDER CLASS I BENCH MARK IN THE NAVD88. VERTICAL CONTROL WAS ADJUSTED BY THE NATIONAL GEODETIC SURVEY IN MAY 2010.

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SRA #1

SRA #4

SRA #5

SRA #6

SRA #7

SRA #2

SRA #3

EMBANKMENT #1

EMBANKMENT #2

DESIGNATED

BORROW AREA

LEGEND


NATIVE PRAIRIE BOUNDARY

WETLANDS

PROPOSED FULL SERVICE LEVEL

TILE INVESTIGAITON

TILE BREAKS

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PARKING AREA

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300 L.F. OF TILE INVESTIGATION SEE NOTE THIS SHEET.

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100 L.F. OF TILE BREAK PENDING INVESTIGATION. SEE NOTE THIS SHEET.

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700 L.F. OF TILE BREAK. KNOWN TILE IN THIS LOCATION

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400 L.F. OF TILE BREAK. KNOWN TILE IN THIS LOCATION

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PLAN VIEW TILE INVESTIGATION AND BREAK SCALE: 1"=100'-0"

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1529

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N

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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DATE:

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MMS

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LM,MO

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BUFFALO LAKE WPA

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PLAN VIEW TILE INVESTIGATION

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AND TILE BREAKS

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TILE INVESTIGATION NOTE: THE CONTRACTOR WILL PERFORM TILE INVESTIGATION ACROSS TILE LOCATIONS AS DIRECTED BY THE DU FIELD REPRESENTATIVE AND AS SHOWN THIS SHEET. THERE ARE (10) TEN LOCATIONS WHERE TILE INVESTIGATION WILL BE PERFORMED. LATHE WILL BE STAKED IN THE FIELD REPRESENTING BEGIN AND END STATIONS OF EACH TILE INVESTIGATION. ONCE THE EXISTING TILE IS FOUND REMOVE DISTANCE AS SPECIFIED ON THESE PLANS AND NOTED IN TILE BREAK. THE CONTRACTOR WILL ONLY BE PAID FOR THE ACTUAL LINEAR FEET INVESTIGATED IN THE FIELD AS DETERMINED BY THE DU FIELD REPRESENTATIVE. THE CONTRACTOR WILL STRIP ALL TOPSOIL AND STOCKPILE PRIOR TO TRENCH EXCAVATION. IN-SITU MATERIAL SHALL BE BACK-CASTED INTO TRENCH WHEN POSSIBLE TO MINIMIZE THE DISTURBANCE TO EXISTING GRASSES AND FORBES. IN-SITU MATERIAL SHALL BE BUCKET COMPACTED WITH AN EXCAVATOR TO ACHIEVE COMPACTION NEAR THE VIRGIN SOIL. TOPSOIL SHALL BE REPLACED AND LEVELED SUITABLE ENOUGH FOR SEEDING & MULCHING. PAYMENT FOR TILE INVESTIGATION INCLUDING STRIPPING, STOCKPILING, EXCAVATION, AND BACKFILLING OPERATIONS SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "TILE INVESTIGATION." THE 300 L.F. OF TILE INVESTIGATION ALONG THE NORTH SIDE OF THE WPA BOUNDARY THE CONTRACTOR WILL INVESTIGATE FOR A POSSIBLE TILE. IF TILE IS LOCATED THEN THE CONTRACTOR WILL CONNECT TO THE EXISTING, AND RE-GRADE/INSTALL NEW TILE THAT WILL DAYLIGHT ON THE WPA TO THE WEST AS DETERMINED BY THE DU FIELD REPRESENTATIVE. THE NEW TILE, CONNECTION, AND TIME REQUIRED TO RE-GRADE/DAYLIGHT ON THE WPA WILL BE CONSIDERED "EXTRA WORK" AND PAID FOR ON A TIME AND MATERIAL BASIS.

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TILE BREAK NOTE: THE CONTRACTOR WILL PERFORM TILE BREAKS AS DIRECTED BY THE DU FIELD REPRESENTATIVE AND AS SHOWN THIS SHEET. THERE ARE (12) TWELVE LOCATIONS WHERE TILE BREAKS WILL BE PERFORMED. ONCE THE EXISTING TILE IS FOUND, REMOVE DISTANCE AS SPECIFIED ON THESE PLANS. IF ADDITIONAL TILE IS FOUND DURING TILE INVESTIGATION, THEN SUCH WORK WILL BE CONSIDERED "EXTRA" AND PAID FOR AS LINEAR FOOT BASIS. THE CONTRACTOR WILL ONLY BE PAID FOR THE ACTUAL LINEAR FEET OF TILE BREAK PERFORMED IN THE FIELD AS DETERMINED BY THE DU FIELD REPRESENTATIVE. CONCRETE OR CLAY TILE CAN BE BURIED IN TRENCH PROVIDING MATERIAL IS EXCAVATED AND CRUSHED, ALL PLASTIC TILE SHALL BE REMOVED AND DISPOSED OF OFF-SITE. THE CONTRACTOR WILL BE REQUIRED TO STRIP AND STOCKPILE TOPSOIL PRIOR TO EXCAVATION AND SHALL BACK-CAST IN-SITU MATERIAL WHEN POSSIBLE TO LIMIT THE DISTURBANCE TO EXISTING GRASSES AND FORBES. CONTRACTOR WILL BACKFILL TRENCH USING EXCAVATOR BUCKET AND COMPACT MATERIAL NEAR THE VIRGIN SOIL. TOPSOIL SHALL BE REPLACED AND LEVELED SUITABLE ENOUGH FOR SEEDING & MULCHING. PAYMENT FOR TILE BREAKS INCLUDING STRIPPING, STOCKPILING, EXCAVATION, REMOVAL AND BACKFILLING OPERATIONS SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "TILE BREAKS."

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SRA #1

SRA #2

SRA #3

SRA #4

SRA #5

SRA #6

SRA #7

EMBANKMENT #2

EMBANKMENT #1

DESIGNATED

BORROW AREA

SHALLOW RESTORATION AREAS

SRA BTM ELEV. QUANTITY

1 1525.60 45 C.Y.-P

2 1524.40 235 C.Y.-P

3 1526.40 465 C.Y.-P

4 1533.60 165 C.Y.-P

5 1527.80 480 C.Y.-P

6 1529.50 650 C.Y.-P

7 1537.00 705 C.Y.-P

TOTAL: 2,745 C.Y.-P

LEGEND


NATIVE PRAIRIE BOUNDARY

WETLANDS

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PARKING AREA

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PROPERTY LINE

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PROPERTY LINE

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PROPERTY LINE

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PROPERTY LINE

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CREATE 10' TOP 10:1 SLOPE PLUG @ ELEV. 1532.00 AS SHOWN. MATERIAL SHALL COME FROM SRA #6 EXCAVATION, REMAINING SPOIL TO BE HAULED TO EMBANKMENTS #1 & #2. SEE NOTE THIS SHEET.

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CREATE LEVEL CREST ON DOWNSTREAM SIDE OF SRA #3 TO ELEV. 1527.00 AS SHOWN. MATERIAL SHALL COME FROM SRA #3 EXCAVATION. REMAINING SPOIL TO BE HAULED TO EMBANKMENTS #1 & #2.

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PLAN VIEW SHALLOW RESTORATION AREAS SCALE: 1"=100'-0"

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N

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INC.

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UNLIMITED

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DUCKS

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PLAN VIEW SHALLOW

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RESTORATION AREAS

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SHALLOW RESTORATION AREA (SRA) NOTE: THE CONTRACTOR WILL EXCAVATE SHALLOW RESTORATION AREAS AS SHOWN THIS SHEET. BOTTOM ELEVATIONS AND QUANTITIES ARE NOTED IN TABLE ABOVE. FINAL BOTTOM SURFACE AND SIDE SLOPES SHALL RETAIN A MINIMUM 4" DEPTH OF ORGANIC MATERIAL. IF AREAS ARE OVER EXCAVATED AND MINERAL SOIL IS EXPOSED, REPLACEMENT OF ORGANIC MATERIAL SHALL BE CONSIDERED "INCIDENTAL." SIDE SLOPES WILL BE 10:1 OR FLATTER, SLOPES SHALL HAVE A ROUNDED TRANSITION FROM SLOPE TO BOTTOM OF SCRAPE AND ENTIRE SHALLOW RESTORATION AREA SHALL BE LEVELED AND DRAGGED SUITABLE ENOUGH FOR SEEDING AND MULCHING. SPOIL MATERIAL SHALL BE USED TO CREATE A FLAT LEVEL CREST ON SRA #3 AND TO CREATE A PLUG ON SRA #6 AS NOTED THIS SHEET. CONTRACTOR SHALL STRIP 6" DEPTH TOPSOIL OVER CREST AND PLUG AREA AND COMPACT SPOIL MATERIAL USING HEAVY EQUIPMENT TO THE EXTENT POSSIBLE. ALL REMAINING SPOIL ALL REMAINING SPOIL MATERIAL SHALL BE REMOVED FROM SRA EXCAVATION SITES AND DEPOSITED ON EMBANKMENT #1 & #2 UPSTREAM/DOWNSTREAM SLOPES AS DETAILED AND NOTED ON SHEETS 6 & 7. SUCH WORK SHALL BE PAID FOR UNDER SHALLOW RESTORATION AREAS LINE ITEM. FLAT LEVEL CREST ON SRA #3 AND PLUG ON SRA #6 SITE PREPARATION INCIDENTAL TO SRA LINE ITEM. THE SHALLOW RESTORATION AREAS WILL BE BID AS CUBIC YARD PLAN QUANTITY. THERE WILL BE NO ADJUSTMENT MADE FOR INCREASE OR DECREASE TO QUANTITY. PAYMENT FOR SHALLOW RESTORATION AREA EXCAVATION, CREATING FLAT CREST/PLUG, AND HAULING SPOIL MATERIAL TO EMBANKMENT #1 & #2 SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "EXCAVATION-SHALLOW RESTORATION AREAS."

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GPS "MACHINE CONTROL" GRADING FOR SRA'S NOTE: THE CONTRACTOR WILL BE REQUIRED TO USE GLOBAL POSITIONING SYSTEM (GPS) "MACHINE CONTROL" GRADING. DUCKS UNLIMITED WILL PROVIDE THE CONTRACTOR WITH FINISHED GRADE SURFACES FOR SRA'S, LEVEL CREST AND PLUG. THERE WILL BE NO CONSTRUCTION STAKES SET IN THE FIELD DELINEATING ANY OF THE SHALLOW RESTORATION SITES. IT WILL BE THE RESPONSIBILITY OF THE CONTRACTOR TO TIE INTO DUCKS UNLIMITED'S SURVEY CONTROL, EQUIP REQUIRED HEAVY EQUIPMENT, AND PERFORM THE WORK AS OUTLINED IN THIS PLANS.

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GLOBAL POSITIONING SYSTEM (GPS) "MACHINE CONTROL" GRADING IS REQUIRED FOR SHALLOW RESTORATION AREA WORK. SEE NOTE THIS SHEET.

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1537.00

1537.00

1537.00

1537.00

1537.00

1535.00

1537.00

1537.00

1537.00

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ESTIMATED QUANTITIES:

SITE PREPARATION: 535 C.Y.-P

EMBANKMENT: 1130 C.Y.-P

TOTAL (INCLUDING 15% FOR SHRINKAGE) 1915 C.Y.-P

EMERGENCY SPILLWAY: *INCIDENTAL

DU CLASS I ROCK RIPRAP 51 TON

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EDGE CATTAILS

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EDGE CATTAILS

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N

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PLAN VIEW EMBANKMENT #1 SCALE: 1"=20'-0"

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FSL ELEV. 1535

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FSL ELEV. 1535

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1536

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1537

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TO BORROW AREA SEE NOTE THIS SHEET.

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1541

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SRA #3

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1529

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1535

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1528

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FSL ELEV. 1529 EMBANKMENT #2

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1527

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1526

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1538

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1536

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CONSTRUCT 30' WIDE EMERGENCY SPILLWAY, SEE DETAILS AND NOTES THIS SHEET. SHAVE AREAS UPSTREAM AND DOWNSTREAM OF ROCK RIPRAP TO ELEV. 1535 AS SHOWN THIS SHEET. SUCH WORK TO BE CONSIDERED "INCIDENTAL" TO EMBANKMENT CONSTRUCTION.

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1537

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DU CLASS 1 ROCK RIPRAP, 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH. COVER ALL 5:1 SLOPES AND 12' W x 30' L E.S. SEE NOTE THIS SHEET. 51 TON

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1534

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SURFACE SHOWN IS COMPACTED FILL. CONTRACTOR WILL WASTE ALL SPOIL MATERIAL FROM SRA'S ON BOTH UPSTREAM AND DOWNSTREAM SLOPES TO FLATTEN AND THICKEN SUCH. SEE DETAILS AND NOTES THIS SHEET.

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1537

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1537

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1537

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STRIP 12" DEPTH TOPSOIL BENEATH EMBANKMENT FOOTPRINT, STOCKPILE, AND UPON COMPLETION OF COMPACTED FILL PLACE MINIMUM 6" DEPTH TOPSOIL OVER SIDE SLOPES AND TOP. SEE NOTE THIS SHEET.

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EXISTING GROUND

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INSTALL DU CLASS I ROCK RIPRAP @ 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH ALONG 5:1 SLOPES AND 12'x30' WIDE EMERGENCY SPILLWAY. SEE DETAILS AND NOTES THIS SHEET. 51 TON TOTAL.

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TOP COMPACTED FILL ELEV. 1537.00

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CL EMB.

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3:1 SLOPE

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3:1 SLOPE

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TOP FINISH SURFACE (TOPSOIL) ELEV. 1537.50

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STRIP 12" DEPTH OF TOPSOIL OVER COMPACTED EMBANKMENT AREA FOOTPRINT, STOCKPILE, AND UPON COMPLETION OF COMPACTED FILL AND SRA SPOIL MATERIAL WASTING ALONG SLOPES PLACE MINIMUM 6" DEPTH TOPSOIL OVER ALL SURFACES. SEE SITE PREPARATION NOTE THIS SHEET.

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COMPACTED CLAY SEE DU SPEC. 204

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TYPICAL EMBANKMENT #1 SECTION SCALE: 1"=5'-0"

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EXISTING GROUND

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FSL 1535

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SPOIL MATERIAL FROM SHALLOW RESTORATION AREAS WILL BE PLACED ON UPSTREAM AND DOWNSTREAM SIDES OF EMBANKMENT TO FLATTEN AND THICKEN SUCH. EXACT SLOPE WILL BE DETERMINED IN THE FIELD. SEE NOTE THIS SHEET.

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5:1 SLOPE

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5:1 SLOPE

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STA. 2+60

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STA. 2+70

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STA. 3+00

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STA. 3+10

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TYPICAL EMERGENCY SPILLWAY SECTION SCALE: 1"=5'-0"

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DU CLASS I ROCK RIPRAP, 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH. ROCK 5:1 SLOPES AND BOTTOM OF EMERGENCY SPILLWAY 12' WIDE x 30' LONG. SEE NOTE THIS SHEET. 51 TON.

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FINISH GROUND E.S. ELEV. 1535.00

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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6

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MN-452-1

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BUFFALO LAKE WPA

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DETAILS AND NOTES

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SITE PREPARATION NOTE: THE CONTRACTOR WILL STRIP 12" DEPTH BENEATH THE CLAY EMBANKMENT FOOTPRINT, STOCKPILE, AND UPON COMPLETION OF COMPACTED FILL AND SRA SPOIL MATERIAL WASTING ALONG SLOPES PLACE MINIMUM 6" DEPTH TOPSOIL OVER SIDE SLOPES AND TOP. CONTRACTOR WILL STRIP 6" DEPTH TOPSOIL OVER EMERGENCY SPILLWAY FOOTPRINT NOT RECEIVING RIPRAP, STOCKPILE, AND UPON COMPLETION PLACE MINIMUM 4" DEPTH TOPSOIL OVER DISTURBED AREAS. BOTTOM OF SPILLWAY INCLUDES FINISH GROUND. CONTRACTOR WILL STRIP 6" DEPTH TOPSOIL OVER BORROW AREA AS SHOWN SHEETS 1, 4, & 5. TOPSOIL WILL BE STOCKPILED AND REPLACED OVER BORROW AREA BLENDING INTO EXISTING LANDSCAPE AS DETERMINED IN THE FIELD BY THE DU FIELD REPRESENTATIVE. ALL TOPSOIL SHALL BE LEVELED AND DRAGGED SUITABLE ENOUGH FOR SEEDING & MULCHING. PAYMENT FOR STRIPPING, STOCKPILING, HAULING, PLACING AND LEVELING SUITABLE ENOUGH FOR SEEDING & MULCHING SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "SITE PREPARATION."

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EMBANKMENT AND SPILLWAY NOTE: THE CONTRACTOR WILL CONSTRUCT A CLAY EMBANKMENT WITH 12' WIDE TOP, 3:1 UPSTREAM/DOWNSTREAM SLOPES. MATERIAL SHALL COME FROM BORROW AREA AS SHOWN SHEETS 1, 4, & 5. CONTRACTOR WILL PLACE AND COMPACT AS DESCRIBED IN EMBANKMENT SPECIFICATION 204. QUANTITY IS BASED ON CUBIC YARDS PLAN, THERE WILL BE NO ADJUSTMENT MADE FOR INCREASE OR DECREASE TO QUANTITY. IF WATER IS NEEDED TO OBTAIN THE SPECIFIED COMPACTION OF 95% THEN IT SHALL BE PAID FOR BASED ON THE CONTRACTOR'S UNIT BID PRICE FOR "WATER". ALL SPOIL MATERIAL FROM SRA EXCAVATION'S (BESIDES LEVEL CREST ON SRA #3 AND PLUG ON SRA #6) SHALL BE HAULED TO EMBANKMENTS #1 & #2 TO BE SPOILED ON THE UPSTREAM AND DOWNSTREAM SIDES OF THE EMBANKMENT CLAY CORES AS SHOWN THIS SHEET. SPOIL MATERIAL SHALL BE USED TO FLATTEN AND THICKEN THE SLOPES, EXACT SLOPES WILL BE DETERMINED IN THE FIELD BUT SHALL BE UNIFORM IN SHAPE ON BOTH UPSTREAM/DOWNSTREAM SIDES AND BE LEVELED SUITABLE ENOUGH FOR SEEDING & MULCHING. THE CONTRACTOR WILL BE REQUIRED TO SHAVE THE EXISTING GROUND UPSTREAM AND DOWNSTREAM OF THE EMERGENCY SPILLWAY NOT RECEIVING RIPRAP, SUCH WORK WILL BE CONSIDERED "INCIDENTAL" TO EMBANKMENT CONSTRUCTION. PAYMENT FOR MATERIAL, HAULING, PLACING, COMPACTING, AND CONSTRUCTING EMERGENCY SPILLWAY SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "EMBANKMENT CONSTRUCTION."

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DU CLASS I ROCK RIPRAP NOTE: THE CONTRACTOR WILL INSTALL DU CLASS I ROCK RIPRAP (6-12" ) ALONG 5:1 SLOPES AND BOTTOMOF EMERGENCY SPILLWAY 12' WIDE x 30' LONG. NON-WOVEN FILTER FABRIC SHALL BE INSTALLED BENEATH ALL ROCK RIPRAP. CONTRACTOR WILL MACHINE COMPACT TO ENSURE ALL VOIDS HAVE BEEN FILLED AND ROCK HAS A LEVEL CREST @ ELEV. 1535.00 PAYMENT FOR MATERIALS AND INSTALLATION SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "RIPRAP-DU CLASS I."

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MACHINE CONTROL FOR EMBANKMENT & SPILLWAY NOTE: THE CONTRACTOR WILL BE REQUIRED TO USE GLOBAL POSITIONING SYSTEM (GPS) "MACHINE CONTROL." DUCKS UNLIMITED WILL PROVIDE THE CONTRACTOR WITH FINISHED GRADE CLAY CORE EMBANKMENT & EMERGENCY SPILLWAY SURFACES. THE SPOIL MATERIAL WASTING ALONG UPSTREAM AND DOWNSTREAM SLOPES WILL BE DETERMINED IN THE FIELD. THERE WILL BE NO CONSTRUCTION STAKES SET IN THE FIELD DELINEATING ANY OF THE EMBANKMENTS/SPILLWAYS. IT WILL BE THE RESPONSIBLY OF THE CONTRACTOR TO TIE INTO DUCKS UNLIMITED'S SURVEY CONTROL, EQUIP REQUIRED HEAVY EQUIPMENT, AND PERFORM THE WORK AS OUTLINED IN THESE PLANS.

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1531.00

1531.00

1531.00

1531.00

1531.00

1531.00

1529.00

ESTIMATED QUANTITIES:

SITE PREPARATION: 350 C.Y.-P

EMBANKMENT: 760 C.Y.-P

TOTAL (INCLUDING 15% FOR SHRINKAGE) 1280 C.Y.-P

EMERGENCY SPILLWAY: *INCIDENTAL

DU CLASS I ROCK RIPRAP 51 TON

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SRA #3

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1534

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1533

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1532

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1531

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1530

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1529

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1535

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EMERGENCY SPILLWAY EMBANKMENT #1, SEE DETAILS SHEET 6.

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N

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PLUG SRA #6

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1531

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1531

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1531

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1531

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1531

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EMBANKMENT #2 FSL ELEV. 1529.00

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EMBANKMENT #2 FSL ELEV. 1529.00

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EDGE OF CATTAILS

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PLAN VIEW EMBANKMENT #2 SCALE: 1"=15'-0"

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1534

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1533

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1532

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1531

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1530

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1527

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DU CLASS 1 ROCK RIPRAP, 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH. COVER 5:1 SLOPES AND 12' W x 30' L E.S. SEE NOTE THIS SHEET. 51 TON

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CONSTRUCT 30' WIDE EMERGENCY SPILLWAY, SEE DETAILS AND NOTES THIS SHEET. SUCH WORK TO BE CONSIDERED "INCIDENTAL" TO EMBANKMENT CONSTRUCTION.

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1529

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1529

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5.0:1

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PVI: 3+53.00 EL: 1529.00

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INSTALL DU CLASS I ROCK RIPRAP @ 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH ALONG 5:1 SLOPES AND 12'x30' WIDE EMERGENCY SPILLWAY. SEE DETAILS AND NOTES THIS SHEET. 51 TON TOTAL.

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EXISTING GROUND

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STRIP 12" DEPTH TOPSOIL BENEATH EMBANKMENT FOOTPRINT, STOCKPILE, AND UPON COMPLETION OF COMPACTED FILL PLACE MINIMUM 6" DEPTH TOPSOIL OVER SIDE SLOPES AND TOP. SEE NOTE THIS SHEET.

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CL EMB.

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3:1 SLOPE

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3:1 SLOPE

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COMPACTED CLAY SEE DU SPEC. 204

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TYPICAL EMBANKMENT #2 SECTION SCALE: 1"=5'-0"

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EXISTING GROUND

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SPOIL MATERIAL FROM SHALLOW RESTORATION AREAS WILL BE PLACED ON UPSTREAM AND DOWNSTREAM SIDES OF EMBANKMENT TO FLATTEN AND THICKEN SUCH. EXACT SLOPE WILL BE DETERMINED IN THE FIELD. SEE NOTE THIS SHEET.

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FSL 1529

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STA. 3+13

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STA. 3+23

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DU CLASS I ROCK RIPRAP, 12" DEPTH WITH NON-WOVEN FILTER FABRIC BENEATH. ROCK 5:1 SLOPES AND BOTTOM OF EMERGENCY SPILLWAY 12' WIDE x 30' LONG. SEE NOTE THIS SHEET. 51 TON.

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TYPICAL EMERGENCY SPILLWAY SECTION SCALE: 1"=5'-0"

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FINISH GROUND E.S. ELEV. 1529.00

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EXISTING GROUND

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STRIP 6" DEPTH OVER E.S. FOOTPRINT, SEE NOTE THIS SHEET.

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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BUFFALO LAKE WPA

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DETAILS AND NOTES

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SITE PREPARATION NOTE: THE CONTRACTOR WILL STRIP 12" DEPTH BENEATH THE CLAY EMBANKMENT FOOTPRINT, STOCKPILE, AND UPON COMPLETION OF COMPACTED FILL AND SRA SPOIL MATERIAL WASTING ALONG SLOPES PLACE MINIMUM 6" DEPTH TOPSOIL OVER SIDE SLOPES AND TOP. CONTRACTOR WILL STRIP 6" DEPTH TOPSOIL OVER EMERGENCY SPILLWAY FOOTPRINT NOT RECEIVING RIPRAP, STOCKPILE, AND UPON COMPLETION PLACE MINIMUM 4" DEPTH TOPSOIL OVER DISTURBED AREAS. BOTTOM OF SPILLWAY INCLUDES FINISH GROUND. CONTRACTOR WILL STRIP 6" DEPTH TOPSOIL OVER BORROW AREA AS SHOWN SHEETS 1, 4, & 5. TOPSOIL WILL BE STOCKPILED AND REPLACED OVER BORROW AREA BLENDING INTO EXISTING LANDSCAPE AS DETERMINED IN THE FIELD BY THE DU FIELD REPRESENTATIVE. ALL TOPSOIL SHALL BE LEVELED AND DRAGGED SUITABLE ENOUGH FOR SEEDING & MULCHING. PAYMENT FOR STRIPPING, STOCKPILING, HAULING, PLACING AND LEVELING SUITABLE ENOUGH FOR SEEDING & MULCHING SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "SITE PREPARATION."

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EMBANKMENT AND SPILLWAY NOTE: THE CONTRACTOR WILL CONSTRUCT A CLAY EMBANKMENT WITH 12' WIDE TOP, 3:1 UPSTREAM/DOWNSTREAM SLOPES. MATERIAL SHALL COME FROM BORROW AREA AS SHOWN SHEETS 1, 4, & 5. CONTRACTOR WILL PLACE AND COMPACT AS DESCRIBED IN EMBANKMENT SPECIFICATION 204. QUANTITY IS BASED ON CUBIC YARDS PLAN, THERE WILL BE NO ADJUSTMENT MADE FOR INCREASE OR DECREASE TO QUANTITY. IF WATER IS NEEDED TO OBTAIN THE SPECIFIED COMPACTION OF 95% THEN IT SHALL BE PAID FOR BASED ON CONTRACTOR'S UNIT BID PRICE FOR "WATER". ALL SPOIL MATERIAL FROM SRA EXCAVATIONS (BESIDES LEVEL CREST ON SRA #3 AND PLUG ON SRA #6) SHALL BE HAULED TO EMBANKMENTS #1 & #2 TO BE SPOILED ON THE UPSTREAM AND DOWNSTREAM SIDES OF THE EMBANKMENT CLAY CORES AS SHOWN THIS SHEET. SPOIL MATERIAL SHALL BE USED TO FLATTEN AND THICKEN THE SLOPES, EXACT SLOPES WILL BE DETERMINED IN THE FIELD BUT SHALL BE UNIFORM IN SHAPE ON BOTH UPSTREAM/DOWNSTREAM SIDES AND BE LEVELED SUITABLE ENOUGH FOR SEEDING & MULCHING. THE CONTRACTOR WILL BE REQUIRED TO EXCAVATE AN EMERGENCY SPILLWAY ON THE NORTH SIDE OF THE EMBANKMENT (116 C.Y.-P). 30' WIDE EMERGENCY SPILLWAY WITH 5:1 SLOPES, SUCH WORK WILL BE CONSIDERED "INCIDENTAL" TO EMBANKMENT CONSTRUCTION. EXCAVATED MATERIAL SHALL BE PLACED ON UPSTREAM OR DOWNSTREAM SIDES OF EMBANKMENT #1 AS DETERMINED IN THE FIELD. ' PAYMENT FOR MATERIAL, HAULING, PLACING, COMPACTING, AND CONSTRUCTING EMERGENCY SPILLWAY SHALL BE PAID FOR BASED ON THE CONTRACTOR'S UNIT BID PRICE FOR "EMBANKMENT CONSTRUCTION."

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MACHINE CONTROL FOR EMBANKMENT & SPILLWAY NOTE: THE CONTRACTOR WILL BE REQUIRED TO USE GLOBAL POSITIONING SYSTEM (GPS) "MACHINE CONTROL." DUCKS UNLIMITED WILL PROVIDE THE CONTRACTOR WITH FINISHED GRADE CLAY CORE EMBANKMENT & EMERGENCY SPILLWAY SURFACES. THE SPOIL MATERIAL WASTING ALONG UPSTREAM AND DOWNSTREAM SLOPES WILL BE DETERMINED IN THE FIELD. THERE WILL BE NO CONSTRUCTION STAKES SET IN THE FIELD DELINEATING ANY OF THE EMBANKMENTS/SPILLWAYS. IT WILL BE THE RESPONSIBLY OF THE CONTRACTOR TO TIE INTO DUCKS UNLIMITED'S SURVEY CONTROL, EQUIP REQUIRED HEAVY EQUIPMENT, AND PERFORM THE WORK AS OUTLINED IN THESE PLANS.

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DU CLASS I ROCK RIPRAP NOTE: THE CONTRACTOR WILL INSTALL DU CLASS I ROCK RIPRAP (6-12" ) ALONG5:1 SLOPES AND BOTTOM OF EMERGENCY SPILLWAY 12' WIDE x 30' LONG. NON-WOVEN FILTER FABRIC SHALL BE INSTALLED BENEATH ALL ROCK RIPRAP. CONTRACTOR WILL MACHINE COMPACT TO ENSURE ALL VOIDS HAVE BEEN FILLED AND ROCK HAS A LEVEL CREST @ ELEV. 1529.00 PAYMENT FOR MATERIALS AND INSTALLATION SHALL BE PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "RIPRAP-DU CLASS I."

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SRA #1

SRA #2

SRA #3

SRA #4

SRA #5

SRA #6

SRA #7

DESIGNATED

BORROW AREA

EROSION CONTROL ITEMS:

MnDOT CATEGORY 3N EROSION CONTROL BLANKET:

-LEVEL CREST SRA#3 300 SQ. YARDS-EMBANKMENT #1 SPILLWAY 150 SQ. YARDS-EMBANKMENT #2 SPILLWAY 350 SQ. YARDSTOTAL: 800 SQ. YARDS

SILT FENCE:

-DOWN GRADIENT OF BORROW AREA 250 L.F.-ALONG SHORELINE WETLAND 300 L.F.TOTAL: 550 L.F

ROCK CHECK DAM (DU CLASS I ROCK RIPRAP):

-DOWN GRADIENT E.S. EMBANKMENT #1 17 TON-DOWN GRADIENT E.S. EMBANKMENT #2 17 TONTOTAL: 34 TON

SEEDING:

TYPE: SEE LIST BELOW, *SRA'S WILL BE SEEDED BY OTHERS.

EMBANKMENTS AND DISTURBED AREAS 3.0 ACRESTILE INVESTIGATION & BREAKS 2.0 ACRESBORROW AREA 2.0 ACRESTOTAL: 7 ACRES

MnDOT TYPE 1 MULCH:

EMBANKMENTS AND DISTURBED AREAS 3.0 ACRESTILE INVESTIGATION & BREAKS 2.0 ACRESBORROW AREA 2.0 ACRESTOTAL: 7 ACRES*

* MULCH APPLIED AT 2.0 TON/ACRE WITH DISKING

**CONTRACTOR WILL ADD OATS FOR COVER CROP, 100 LBS

USFWS SEEDING SPECIFICATIONS"

-ONLY SEED OF ECOTYPES NATIVE TO MN AND PERFERABLY LOCAL

ECOTYPES.

-SITES FOR THIS SEED ARE: COTEAU MORAINE, MN RIVER PRAIRIE, AND

INNER COTEAU.

-GRASSES AND FORBS NEED TO BE BAGGED SEPARATELY.

-ALL QUANTITIES LISTED INDICATE PURE LIVE SEED REQUIRED.

-ALL SEED AND MIXES SHALL CONFORM TO STATE SEED REQUIREMENTS

FOR NOXIOUS WEED CONTENT.

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INSTALL 300 L.F. OF STANDARD SILT FENCE PRIOR TO ANY CONSTRUCTION ACTIVITY. INSTALL AS MANUFACTURE RECOMMENDS.

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MnDOT CATEGORY 3N EROSION CONTROL BLANKET, COVER EMERGENCY SPILLWAY (E.S.) NOT RECEIVING ROCK RIPRAP, INSTALL AS MANUFACTURER RECOMMENDS. 150 SQ. YARDS TOTAL FOR E.S.

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INSTALL 250 L.F. OF STANDARD SILT FENCE PRIOR TO ANY CONSTRUCTION ACTIVITY. INSTALL AS MANUFACTURE RECOMMENDS.

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FLOW

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CONTRACTOR WILL SHAVE EXISTING HILL TOP TO ELEV. 1535.00 IN A FASHION FORCING WATER IN DIRECTION AS SHOWN. CONTRACTOR WILL INSTALL A ROCK CHECK DAM DOWN GRADIENT TO SLOW WATER EXITING EMERGENCY SPILLWAY BEFORE ENTERING NEXT POOL. EXACT LOCATION AND LAYOUT WILL BE DETERMINED IN THE FIELD BY THE DU FIELD REPRESENTATIVE. DU CLASS I ROCK RIPRAP WILL BE USED FOR THE ROCK CHECK DAM WITH NO FILTER FABRIC BENEATH. PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "RIPRAP-DU CLASS I." 17 TON REQ'D

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MnDOT CATEGORY 3N EROSION CONTROL BLANKET, COVER EMERGENCY SPILLWAY (E.S.) NOT RECEIVING ROCK RIPRAP, INSTALL AS MANUFACTURER RECOMMENDS. 350 SQ. YARDS TOTAL FOR E.S.

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INSTALL ROCK CHECK DAM DOWN GRADIENT OF EMBANKMENT #2 EMERGENCY SPILLWAY AS SHOWN. EXACT LOCATION AND LAYOUT WILL BE DETERMINED IN THE FIELD BY THE DU FIELD REPRESENTATIVE. DU CLASS I ROCK RIPRAP WILL BE USED FOR THE ROCK CHECK DAM WITH NO FILTER FABRIC BENEATH. PAID FOR BASED ON THE CONTRACTORS UNIT BID PRICE FOR "RIPRAP-DU CLASS I." 17 TON REQ'D

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MnDOT CATEGORY 3N EROSION CONTROL BLANKET, COVER LEVEL CREST TOP AND SLOPES. INSTALL AS MANUFACTURE RECOMMENDS. 300 SQ. YARDS TOTAL FOR LEVEL CREST.

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SEED AND MULCH ANY TILE INVESTIGATIONS AND BREAKS. INCLUDED IN TOTAL ACRES SEEDED AND MULCHED.

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SHALLOW RESTORATION AREAS WILL BE SEEDED BY OTHERS: INCLUDING BOTTOM AND 10:1 SLOPES. ANY DISTURBED AREAS OUTSIDE OF SUCH THE CONTRACTOR WILL SEED AND MULCH.

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PLAN VIEW EROSION CONTROL SCALE: 1"=50'-0"

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INC.

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UNLIMITED

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DUCKS

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PROJECT NO.

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DATE:

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SHEET NO.

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APPROVED BY:

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APPROVED BY:

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CHECKED BY:

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SURVEYED BY:

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DRAWN BY:

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MN-452-1

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MMS

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BUFFALO LAKE WPA

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PLAN VIEW EROSION CONTROL

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ADJUST EROSION CONTROL QTY.

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BUFFALO LAKE WPA

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STORM WATER POLLUTION

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PREVENTION PLAN

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WATERSHED BOUNDARY, COTTONWOOD RIVER (HUC 8: 07020008)

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DOVRAY, MN

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STORM WATER POLLUTION PREVENTION PLAN THE MINNESOTA GENERAL PERMIT AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY ISSUED ON AUGUST 1, 2018 SHALL APPLY FOR THIS PROJECT. ABBREVIATIONS USFWS: UNITED STATES FISH & WILDLIFE SERVICE MPCA: MINNESOTA POLLUTION CONTROL AGENCY NARRATIVE PROJECT LIMITS: SEE THESE PLANS FOR THE PROJECT LIMITS. SHEETS INCLUDE DETAILS ON SEDIMENT REMOVAL, EMBANKMENT CONSTRUCTION, DITCH PLUG CONSTRUCTION, SPILLWAYS, TILE INVESTIGATION & REMOVAL, AND SEDIMENT CONTROL MEASURES. SITE DESCRIPTION PROJECT DESCRIPTION: THE PURPOSE OF THE PROJECT IS TO REMOVE TILE, REMOVE SEDIMENT IN WETLAND AREAS, CONSTRUCT EMBANKMENTS, A DITCH PLUG, AND SPILLWAYS FOR THE PURPOSE OF RESTORING WETLANDS ON BUFFALO LAKE WPA. SITE MAP(S): SEE MAP ON SHEET 3 OF PLANS. MAJOR SOIL DISTURBING ACTIVITIES (CHECK ALL THAT APPLY): X CLEARING & GRUBBING CLEARING & GRUBBING X GRADING & SHAPING GRADING & SHAPING X CUTTING & FILLING CUTTING & FILLING OTHER (DESCRIBE): OTHER (DESCRIBE):

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ORDER OF CONSTRUCTION ACTIVITIES (STABILIZATION MEASURES SHALL BE INITIATED AS SOON AS POSSIBLE, BUT IN NO CASE LATER THAN 14 DAYS AFTER THE CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARILY OR PERMANENTLY CEASED.) INSTALL EROSION AND SEDIMENT CONTROL MEASURES. PROCEED WITH SITE GRADING AND CONSTRUCTION ACTIVITIES. STABILIZE AREAS DISTURBED BY CONSTRUCTION ACTIVITIES WITH TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES. COMPLETE FINAL GRADING. COMPLETE PERMANENT EROSION AND SEDIMENT CONTROL MEASURES. LOCATION OF SWPPP REQUIREMENTS IN PROJECT PLAN SEE SHEET 8 FOR EROSION CONTROL MEASURES AND NOTES. EROSION AND SEDIMENT CONTROLS STABILIZATION PRACTICES (SEE EROSION AND SEDIMENT CONTROL DETAILS IN PLAN SHEETS) X TEMPORARY OR PERMANENT SEEDING TEMPORARY OR PERMANENT SEEDING X MULCHING (STRAW OR CELLULOSE FIBER) MULCHING (STRAW OR CELLULOSE FIBER) X EROSION CONTROL BLANKETS OR MATS EROSION CONTROL BLANKETS OR MATS X VEGETATION BUFFER STRIPS VEGETATION BUFFER STRIPS X ROUGHENED SURFACE (E.G. TRACKING) ROUGHENED SURFACE (E.G. TRACKING) STRUCTURAL TEMPORARY EROSION AND SEDIMENT CONTROLS X SILT FENCE SILT FENCE X STONE RIP RAP STONE RIP RAP X ROCK CHECK DAMS ROCK CHECK DAMS

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MAINTENANCE AND INSPECTION MAINTENANCE AND INSPECTION PRACTICES INSPECTIONS WILL BE CONDUCTED AT LEAST ONE TIME PER WEEK AND AFTER A STORM EVENT OF 0.50 INCHES OR GREATER. ALL CONTROLS WILL BE MAINTAINED IN GOOD WORKING ORDER. NECESSARY REPAIRS WILL BE INITIATED WITHIN 24 HOURS OF THE SITE INSPECTION REPORT OR AS SOON AS FIELD CONDITIONS ALLOW ACCESS. WHERE WORK HAS BEEN SUSPENDED DUE TO FROZEN GROUND CONDITIONS, THE REQUIRED INSPECTIONS AND MAINTENANCE MUST TAKE PLACE AS SOON AS RUNOFF OCCURS AT THE SITE OR PRIOR TO RESUMING CONSTRUCTION, WHICHEVER COMES FIRST. WHERE PARTS OF THE CONSTRUCTION SITE HAVE UNDERGONE FINAL STABILIZATION, BUT WORK REMAINS ON OTHER PARTS OF THE SITE, INSPECTIONS OF THE STABILIZED AREAS MAY BE REDUCED TO ONCE PER MONTH. SILT FENCE WILL BE INSPECTED FOR DEPTH OF SEDIMENT AND FOR TEARS IN ORDER TO ENSURE THE FABRIC IS SECURELY ANCHORED. SEDIMENT BUILDUP WILL BE REMOVED FROM THE SILT FENCE WHEN IT REACHES OF THE HEIGHT OF THE SILT 13 OF THE HEIGHT OF THE SILT FENCE. ALL SILT FENCES MUST BE REPAIRED, REPLACED, OR SUPPLEMENTED WHEN THEY BECOME NONFUNCTIONAL OR THE SEDIMENT REACHES OF 13 OF THE HEIGHT OF THE FENCE. SEDIMENT BASINS AND TRAPS WILL BE CHECKED. SEDIMENT WILL BE REMOVED WHEN THE DEPTH REACHES APPROXIMATELY 50 PERCENT OF THE STRUCTURE'S CAPACITY. CHECK DAMS WILL BE INSPECTED FOR STABILITY. SEDIMENT WILL BE REMOVED WHEN THE DEPTH REACHES THE HEIGHT OF THE DAM. 12 THE HEIGHT OF THE DAM. ALL SEEDED AREAS WILL BE CHECKED FOR BARE SPOTS, WASHOUTS, AND VIGOROUS GROWTH FREE OF SIGNIFICANT WEED INFESTATIONS. SURFACE WATERS, INCLUDING DRAINAGE DITCHES AND CONVEYANCE SYSTEMS, MUST BE INSPECTED FOR EVIDENCE OF SEDIMENT BEING DEPOSITED BY EROSION. CONSTRUCTION SITE VEHICLE EXIT LOCATIONS MUST BE INSPECTED FOR EVIDENCE OF OFF-SITE SEDIMENT TRACKING ONTO PAVED SURFACES. TRACKED SEDIMENT MUST BE REMOVED FROM ALL OFF-SITE PAVED SURFACES WITHIN 24 HOURS OF DISCOVERY. DISTURBED AREAS WILL BE CHECKED FOR STABILIZATION. STABILIZATION MEASURES SHALL BE INITIATED AS SOON AS CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARILY OR PERMANENTLY CEASED. THE NORMAL WETTED PERIMETER OF ANY TEMPORARY OR PERMANENT DRAINAGE DITCH OR SWALE THAT DRAINS WATER FROM ANY PORTION OF THE CONSTRUCTION SITE, OR DIVERTS WATER AROUND THE SITE, MUST BE STABILIZED WITHIN 200 LINEAL FEET FROM THE PROPERTY EDGE, OR FROM THE POINT OF DISCHARGE INTO ANY SURFACE WATER. STABILIZATION OF THE LAST 200 LINEAL FEET MUST BE COMPLETED WITHIN 24 HOURS AFTER CONNECTION TO A SURFACE WATER. STABILIZATION OF THE REMAINING PORTIONS OF ANY TEMPORARY OR PERMANENT DITCHES OR SWALES MUST BE COMPLETED WITHIN 14 DAYS AFTER CONNECTING TO A SURFACE WATER AND SURFACE WATER AND CONSTRUCTION IN THAT PORTION OF THE DITCH HAS TEMPORARILY OR PERMANENTLY CEASED. TEMPORARY OR PERMANENT DITCHES OR SWALES THAT ARE BEING USED AS A SEDIMENT CONTAINMENT SYSTEM (WITH PROPERLY DESIGNED ROCK DITCH CHECKS, BIO ROLLS, SILT DIKES, ETC.) DO NOT NEED TO BE STABILIZED. THESE AREAS MUST BE STABILIZED WITHIN 24 HOURS AFTER NO LONGER BEING USED AS A SEDIMENT CONTAINMENT SYSTEM. PIPE OUTLETS MUST BE PROVIDED WITH TEMPORARY OR PERMANENT ENERGY DISSIPATION WITHIN 24 HOURS AFTER CONNECTION TO A SURFACE WATER. DISCHARGE PROCEDURES FOR WATER CONTROL AND DEWATERING OPERATIONS WILL BE INSPECTED. IF THE WATER CANNOT BE DISCHARGED TO A SEDIMENTATION BASIN PRIOR TO ENTERING THE SURFACE WATER, IT MUST BE TREATED WITH THE APPROPRIATE BMPS, SUCH THAT THE DISCHARGE DOES NOT ADVERSELY AFFECT THE RECEIVING WATER OR DOWNSTREAM LANDOWNERS. INSPECTION AND MAINTENANCE REPORTS WILL BE COMPLETED FOR EACH SITE INSPECTION, THIS FORM WILL ALSO BE USED TO DOCUMENT CHANGES TO THE SWPPP. THE REPORT SHALL INCLUDE THE DATE AND AMOUNT OF RAINFALL EVENTS GREATER THAN 0.5 INCH IN 24 HOURS. A COPY OF THE COMPLETED INSPECTION FORM WILL BE FILED WITH THE SWPPP DOCUMENTS. THE CONTRACTOR'S SITE SUPERINTENDENT IS RESPONSIBLE FOR INSPECTION. MAINTENANCE AND REPAIR ACTIVITIES ARE THE RESPONSIBILITY OF THE CONTRACTOR. POLLUTION PREVENTION MANAGEMENT MEASURES SOLID WASTES COLLECTED SEDIMENT, ASPHALT, AND CONCRETE MILLINGS, FLOATING DEBRIS, PAPER, PLASTIC, FLOATING DEBRIS, PAPER, PLASTIC, FABRIC, CONSTRUCTION AND DEMOLITION AND DEMOLITION DEBRIS AND OTHER WASTES MUST BE DISPOSED DISPOSED OF PROPERLY AND MUST COMPLY WITH THE MPCA DISPOSAL REQUIREMENTS. HAZARDOUS MATERIALS OIL, GASOLINE, PAINT AND ANY HAZARDOUS SUBSTANCES MUST BE PROPERLY STORED, MUST BE PROPERLY STORED, INCLUDING SECONDARY CONTAINMENT, TO CONTAINMENT, TO PREVENT SPILLS, LEAKS OR OTHER DISCHARGE. RESTRICTED ACCESS TO STORAGE AREAS MUST BE PROVIDED TO PREVENT VANDALISM. STORAGE AND DISPOSAL OF HAZARDOUS WASTE MUST BE IN COMPLIANCE WITH MPCA REGULATIONS. VEHICLE WASHING EXTERNAL WASHING OF TRUCKS AND OTHER CONSTRUCTION VEHICLES MUST BE LIMITED TO A DEFINED AREA OF THE SITE. RUNOFF MUST BE CONTAINED AND WASTE PROPERLY DISPOSED DISPOSED OF. NO ENGINE DEGREASING IS ALLOWED ON SITE. CONCRETE WASHOUT ONSITE ALL LIQUID AND SOLID WASTES GENERATED BY CONCRETE WASHOUT OPERATION MUST BE CONTAINED IN A LEAK-PROOF CONTAINMENT FACILITY OR IMPERMEABLE LINER. A COMPACTED CLAY LINER THAT DOES NOT ALLOW WASHOUT LIQUIDS TO ENTER GROUND WATER IS CONSIDERED AN IMPERMEABLE LINER. THE LIQUID AND SOLID WASTES MUST NOT CONTACT THE GROUND, AND THERE MUST NOT BE RUNOFF FROM THE CONCRETE WASHOUT OPERATION OR AREAS. LIQUID AND SOLID WASTES MUST BE DISPOSED OF PROPERLY AND IN COMPLIANCE WITH MPCA REGULATIONS. A SIGN MUST BE INSTALLED ADJACENT TO EACH WASHOUT FACILITY TO INFORM CONCRETE EQUIPMENT OPERATORS TO UTILIZE THE PROPER FACILITIES. THE PROPER FACILITIES.

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TOTAL PROJECT AREA: 81 ACRES TOTAL AREA TO BE DISTURBED: 10 ACRES EXISTING IMPERVIOUS AREA: 0.0 ACRES PROPOSED IMPERVIOUS AREA: 0.0 ACRES NAME OF RECEIVING WATER BODY/BODIES: TO BE RESTORED WETLANDS ON BUFFALO LAKE WPA TO LAKE ON WPA. DISCHARGES TO SPECIAL OR IMPAIRED WATERS: THE PROJECT DOES NOT HAVE A DISCHARGE POINT WITHIN 1 MILE OF A SPECIAL WATER OR A WATER THAT IS IMPAIRED FOR SEDIMENT OR A SEDIMENT-RELATED PARAMETER OF THE PERMIT. DISCHARGES TO CALCAREOUS FEN: THE PROJECT DOES NOT HAVE A DISCHARGE TO A CALCAREOUS FEN. ENDANGERED OR THREATENED SPECIES: THE PROJECT AREA HAS NOT BEEN IDENTIFIED FOR ENDANGERED OR THREATENED SPECIES. QUANTITIES TABULATION FOR ALL BMPS: SEE ESTIMATED QUANTITIES AND CONSTRUCTION NOTES ON SHEET 8.

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SPILL NOTIFICATION IN THE EVENT OF A SPILL, THE CONTRACTOR'S SITE SUPERINTENDENT WILL MAKE THE APPROPRIATE NOTIFICIATON(S), CONSISTENT WITH THE FOLLOWING PROCEDURES: 1. A REPORTABLE SPILL IS A QUANTITY OF MORE THAN 5 GALLONS OF PETROLEUM WHICH MUST BE A REPORTABLE SPILL IS A QUANTITY OF MORE THAN 5 GALLONS OF PETROLEUM WHICH MUST BE REPORTED IMMEDIATELY TO THE MPCA. 2. ANY SPILL OF OIL OR HAZARDOUS SUBSTANCE TO WATERS OF THE STATE MUST BE REPORTED ANY SPILL OF OIL OR HAZARDOUS SUBSTANCE TO WATERS OF THE STATE MUST BE REPORTED IMMEDIATELY BY TELEPHONE TO THE MPCA. 3. MPCA CONTACT FOR ENVIRONMENTAL EMERGENCIES: 24 HOUR (651) 649-5451 OR (800) 422-0798 MPCA CONTACT FOR ENVIRONMENTAL EMERGENCIES: 24 HOUR (651) 649-5451 OR (800) 422-0798 CONSTRUCTION CHANGES WHEN CHANGES ARE MADE TO THE CONSTRUCTION PROJECT THAT WILL REQUIRE ALTERATIONS IN THE TEMPORARY EROSION CONTROLS OF THE SITE, THE STORM WATER POLLUTION PREVENTION PLAN (SWPPP) WILL BE AMENDED TO PROVIDE APPROPRIATE PROTECTION TO DISTURBED AREAS, ALL STORM WATER STRUCTURES, AND ADJACENT WATERS. THE SWPPP WILL BE RETAINED IN A DESIGNATED PLACE FOR REVIEW OVER THE COURSE OF THE PROJECT.

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PROJECT CONTACTS AND RESPONSIBILITIES The Contractor is responsible for cosigning and being familiar with the MPCA General Permit for storm water discharges associated with a construction site. When a conflict arises between the permit and this plan sheet, the permit shall govern. The Contractor is responsible for implementation of the SWPPP and installation, inspection and maintenance of the erosion prevention and sediment control BMP's before and during construction. The Minnesota Department of Natural Resources, Windom Field Office, is responsible for long term operation and maintenance of the permanent storm water management system. The Contractor and FWS contact information is provided in the contract documents and project plans. James A. Streifel, P.E., Regional Engineer for Ducks Unlimited, Inc. prepared the SWPPP. He successfully completed the "Design of Storm Water Pollution Prevention Plans" training course sponsored by the University of Minnesota (Nov. (Nov. 16-17, 2009, Mankato, MN) and recertification course (Feb. 4, 2016, Jan. 20, 2016 in St. Cloud, MN, and March 20, 2019 in Minneapolis, MN). His certification expires May 31, 2022. The Contractor will be required to have a person designated and on the project site who has been trained and certified as either an Erosion/ Sediment Control Inspector/Installer or in Erosion/Sediment Control Site Management.

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ROLL JOINT

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FENCE POSTS DRIVEN INTO

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GROUND 18" MIN.

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ROLL JOINTS

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SILT FENCE

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SILT FENCE

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FABRIC TO BE WRAPPED

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AROUND FENCE POST.

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%%USILT FENCE DETAIL

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SILT FENCE NOTES: WOOD POST SHALL BE A MINIMUM OF 1 " x 1 ". 12" x 1 ". 12". CONSTRUCT SILT FENCE FROM A CONTINUOUS ROLL IS POSSIBLE BY CUTTING LENGTHS TO AVOID JOINTS. IF A JOINT IS NECESSARY, USE THE DETAIL SHOWN OR OTHER APPROVED METHOD.

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NOT TO SCALE

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GEOTEXTILE FILTER FABRIC FASTENED ON UPHILL SIDE, TOWARDS EARTH DISTURBANCE.

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RIDGE OF COMPACTED EARTH ON UPHILL SIDE OF FILTER FABRIC.

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UNDISTURBED VEGETATION

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6" x 6" ANCHOR TRENCH

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DITCH PROFILE

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GEOTEXTILE FABRIC LINER

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ALONG BOTTOM OF RIPRAP

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GEOTEXTILE FABRIC LINER

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ALONG BOTTOM OF RIPRAP

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ENSURE TOE OF RIPRAP IS MINIMUM 0.5' HIGHER ON ENDS THAN CENTER TO CONCENTRATE FLOW IN THE MIDDLE OF CROSS SECTION.

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%%UTYPICAL ROCK CHECK

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CLASS I RIPRAP

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CLASS I RIPRAP

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WETLAND AVOIDANCE: WILL CONSTRUCTION AND/OR EROSION AND SEDIMENT CONTROLS IMPINGE ON REGULATED WETLANDS? YES X NO YES X NO YES X NO X NO NO IF YES, THE PROJECT AND EROSION AND SEDIMENT CONTROL IMPACTS HAVE BEEN INCLUDED IN THE TOTAL PROJECT WETLAND IMPACTS AND HAVE BEEN INCLUDED IN THE 404 PERMIT PROCESS WITH THE USACE. STORM WATER MANAGEMENT: STORM WATER MANAGEMENT WILL BE HANDLED BY TEMPORARY CONTROLS OUTLINED IN "EROSION AND SEDIMENT CONTROLS" ABOVE, AND ANY PERMANENT CONTROLS NEEDED TO MEET PERMANENT STORM WATER MANAGEMENT NEEDS IN THE POST CONSTRUCTION PERIOD.

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