Plan.pdf

PDF 11 MB Posted Jun 14, 2026

Attached to: 26-05 Wri922420D (Wright)
Solicitation number: 26-05 Wri922420D (Wright)
Issued by: Carroll County, Iowa

About this file

Written by GovTribe AI · Jul 13, 2026

This is a project plan document for a traditional breakpoint nutrient reduction wetland construction project in Wright County, Iowa, prepared by Ducks Unlimited, Inc. in cooperation with the Iowa Department of Agriculture and Land Stewardship (IDALS). The project, identified as Wri922420D, encompasses selective clearing, excavation, grading, steel sheet pile installation, tile installation, water control structure installation, and seeding across approximately 12,950 cubic yards of earthwork. The scope includes 932 square feet of steel sheet pile installation, 2,500 linear feet of tile installation in various diameters (6-inch through 18-inch), 59 linear feet of drawdown pipe, 532 tons of Class E riprap, 106 cubic yards of concrete grout, and 26.3 acres of seeding (1.1 acres structure seeding and 25.2 acres buffer seeding). Construction must commence within 14 days of the preconstruction meeting and achieve substantial completion by June 15, 2027, with buffer seeding completed by June 30, 2027 and structure seeding by September 15, 2027. A non-mandatory pre-bid conference is scheduled for July 1, 2026 at 9:00 a.m. at the USDA Service Center in Clarion, Iowa. Written technical questions must be submitted by 3:00 p.m. on July 8, 2026 for inclusion in a final addendum, with sealed bids due July 16, 2026 at 3:00 p.m. through the Iowa Management of Procurement and Contracts System (IMPACS).

The estimated construction cost range is $450,000 to $550,000. Bidders are required to submit a bid bond equal to ten percent of the bid amount and maintain current registration with the Iowa Department of Inspections, Appeals & Licensing. The successful bidder must furnish a Performance/Payment Bond equal to one hundred percent of the contract price. The project involves work on multiple parcels including land owned by Rick E. Peterson, Peterson/Casady Family Revocable Trust, Sego Revocable Trust, and Crowe Farms LLC. Site work includes significant drainage tile investigation, removal, repair, and capping of subsurface drains, as well as modification of an existing septic system serving an adjacent homestead in accordance with county sanitarian requirements. The plans were prepared by Andrew Schippers, P.E., license number P26317 (renewal date December 31, 2025), of Ducks Unlimited's Great Lakes/Atlantic Regional Office, and incorporate NRCS standards and Iowa specifications. Construction site safety remains solely the responsibility of the contractor, with dewatering and water maintenance considered incidental to the project.

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Other files

File	Type	Posted
Doc CC Proposal - Acknowledgment - Affidavit.pdf	PDF	Jun 14, 2026
Doc CC - Schedule of Prices.pdf	PDF	Jun 14, 2026
Doc EE Bind Bond.pdf	PDF	Jun 14, 2026
Plans.pdf	PDF	Jun 14, 2026
Appendix I.pdf	PDF	Jun 14, 2026
Doc #EE Bid Bond.pdf	PDF	Jun 14, 2026
General Requirements.pdf	PDF	Jun 14, 2026
Construction Monitoring Plan.pdf	PDF	Jun 14, 2026
Engineer's Design Report.pdf	PDF	Jun 14, 2026
26-05 Wri922420D Notice to Bidders.pdf	PDF	Jun 14, 2026
Specifications.pdf	PDF	Jun 14, 2026
Doc CC Proposal - Acknowledgement - Affidavit.pdf	PDF	Jun 14, 2026
Addendum 1 & Pre-bid.pdf	PDF	Jun 14, 2026

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PROJECT LOCATION

PROJECT NO. Wri922420D

WRIGHT COUNTY

S20, T92N, R24W

IOWA

IN COOPERATION WITH

IOWA DEPARTMENT OF AGRICULTURE AND LAND STEWARDSHIP

IOWA ENGINEERING JOB CLASS IV

PROJECT LOCATION

Know what's below.

Call before you dig.

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PROJECT LOCATION MAP

SCALE: 1" = 2000'

IOWA

SHEET INDEX

001 COVER SHEET

002 SPECIFICATIONS, QUANTITIES, & NOTES

051 TOPOGRAPHY & EXISTING CONDITIONS

101 SITE PLAN

201 EMBANKMENT PLAN & PROFILE

202 RIPRAP & DRAW-DOWN PLAN

203 INLET CHANNEL PLAN & PROFILE

204 WETLAND PROFILES

205 TILE #1 PLAN & PROFILE

206 TILE #2 PLAN & PROFILE

207 TILE #3 PLAN & PROFILE

208 TILE #4 PLAN & PROFILE

301 SHEET PILE DETAILS

302 CONSTRUCTION DETAILS

303 WATER CONTROL STRUCTURE SHEET 1

304 WATER CONTROL STRUCTURE SHEET 2

305 FILTER DIAPHRAGM DETAILS

401 SEEDING PLAN

CLARION, IA

ELM LAKE

LAKE CORNELIA

200 TH ST

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V E

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 "IOWA ONE CALL" AT (800) 292-8989

AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION.

To the best of my professional knowledge, judgement, and belief, these plans meet applicable NRCS Standards

I hereby certify that this engineering document was prepared by me or under my direct personal supervision and that I am a duly licensed Professional Engineer under the laws of the State of Iowa.

Andrew Schippers, P.E. Date

My license number is P26317 My license renewal date is December 31, 2025 Pages of sheets covered by this seal: 1 - 18 (C001-C401)

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

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ESTIMATED QUANTITIES

NOTE # BID ITEM # SPEC # DESCRIPTION QUANTITY UNIT

1 1 IA CS-001 STRIPPING LS 1

2 2 IA CS-001 CROP DAMAGE AC

3 3 IA CS-006 STRUCTURE SEEDING AC 1.1

4 4 IA CS-006 BUFFER SEEDING AC 25.2

5 5 CS-008 MOBILIZATION & DEMOBILIZATION LS 1

6 6 IA CS-009 DRAINAGE TILE INVESTIGATION LS 1

7 7 IA CS-013 STEEL SHEET PILING SF 932

8 8 IA CS-021 EXCAVATION (GENERAL) CY-P 1,741

9 9 IA CS-023 EARTHFILL (GENERAL) CY-P 554

10 10 IA CS-023 EARTHFILL (GENERAL DAM) CY-P 2,828

11 11 IA CS-023 EARTHFILL (DAM CORE) CY-P 1,476

12 12 IA CS-024 DRAINFILL (SAND) TN 80

13 13 IA CS-026 TOPSOIL PLACEMENT CY-P 6,349

14 14 IA CS-046 TOE DRAIN (6"Ø PERFORATED CPP) LF 430

15 15 IA CS-046 8"Ø HDPE DUAL-WALL LF 125

16 16 IA CS-046 15"Ø HDPE DUAL-WALL LF 1,139

17 17 IA CS-046 18"Ø HDPE DUAL-WALL LF 667

18 18 IA CS-051 ALUM. CMP DRAW-DOWN STRUCTURE LS 1

19 19 IA CS-051 ALUM. CMP DRAW-DOWN INLET/OUTLET LF 57

20 20 IA CS-046,

IA CS-081 STOPLOG STORAGE STRUCTURE LS 1

21 21 IA CS-051 CMP OUTLET - 8"Ø LF 40

22 22 IA CS-051 CMP OUTLET - 15"Ø LF 40

23 23 IA CS-051 CMP OUTLET - 18"Ø LF 20

24 24 IA CS-061 RIPRAP (IA DOT CLASS E) TN 532

25 25 IA CS-062 CEMENT GROUT CY 106

26 26 IA CS-051 36" ALUM. CMP RISER INLET (AT WETLAND) LS 1

27 27 IA CS-051 18" ALUM. CMP RISER INLET (AT STILLING BASIN) LS 1

28 28 IA CS-008 SEPTIC SYSTEM MODIFICATION LS 1

CONSTRUCTION NOTES:

1. BID ITEM FOR STRIPPING SHALL INCLUDE REMOVAL OF THE FIRST 12" OF TOPSOIL MATERIAL BELOW THE

BERM, WETLAND GRADING AREA, INLET CHANNEL, SEDIMENTATION BASINS, AND ANY OTHER GRADING AREAS (ESTIMATED STRIPPING QUANTITY IS 9,467 C.Y.). THIS MATERIAL SHALL BE STOCKPILED ON-SITE

FOR RESPREAD, WHICH IS INCLUDED IN A SEPARATE BID ITEM.

2. BID ITEM FOR CROP DAMAGE SHALL INCLUDE AREA OF CROPS DAMAGED, AS NECESSARY, IN ORDER TO COMPLETE THE WORK AS DETAILED. CONTRACTOR SHALL MINIMIZE CROP DAMAGE AS MUCH AS POSSIBLE

DURING CONSTRUCTION ACTIVITIES.

3. BID ITEM FOR STRUCTURE SEEDING SHALL CONSIST OF SEEDING, MULCHING, AND FERTILIZING ALL STRUCTURES, EMBANKMENTS, AND ALL OTHER DISTURBED AREAS (OUTSIDE OF POOL AREA), AS

INDICATED ON THE DRAWINGS OR OTHERWISE DESIGNATED.

4. BID ITEM FOR BUFFER SEEDING SHALL CONSIST OF SEEDING THE AREAS DESIGNATED ON THE PLANS AS

BUFFER SEEDING AND INCLUDE BORROW AREAS, DISTURBED AREAS NOT SEEDED AS PART OF

STRUCTURAL SEEDING, AND OTHER AREAS WITHIN THE EASEMENT.

5. BID ITEM FOR MOBILIZATION & DEMOBILIZATION SHALL INCLUDE THE SUPPLY OF ALL LABOR, MATERIAL AND EQUIPMENT TO TRANSPORT ALL NEEDED LABOR, MATERIAL AND EQUIPMENT, TO AND FROM THE

PROJECT SITE, TO SUCCESSFULLY COMPLETE THE PROJECT AS SHOWN ON THE PLANS.

6. BID ITEM FOR DRAINAGE TILE INVESTIGATION SHALL CONSIST OF INVESTIGATION, LOCATION, REPAIR, REMOVAL AND/OR CAPPING/PLUGGING OF SUBSURFACE DRAINS (TILE) IN WETLAND RESTORATION AREA, ENHANCEMENT, OR CREATION PROJECT AREAS, OR OTHER SITUATIONS WHERE SUBSURFACE DRAINS MAY BE PRESENT. THIS BID ITEM DOES NOT INCLUDE INSTALLATION OF NEW TILE, WHICH IS INCLUDED IN

SEPARATE LINE ITEMS.

7. BID ITEM FOR STEEL SHEET PILING SHALL CONSIST OF FURNISHING AND DRIVING THE SPECIFIED SHEET PILING AT THE LOCATION SHOWN ON THE DRAWINGS. THIS BID ITEM SHALL INCLUDE SHEET PILING CAP

AND ALL OTHER LABOR AND MATERIALS NECESSARY TO PROVIDE A COMPLETE INSTALLATION.

8. BID ITEM FOR EXCAVATION (GENERAL) SHALL CONSIST OF EXCAVATION AND GRADING OF MATERIAL

NEEDED FOR THE BERM CORE TRENCH, ESTABLISHING POOL FINAL GRADE (GRADING AREA),

SEDIMENTATION BASINS (THREE TOTAL), AND INLET/OUTLET CHANNELS.

9. BID ITEM FOR EARTHFILL (GENERAL) SHALL CONSIST OF THE EARTHFILL NECESSARY TO CONSTRUCT THE SUBMERGED BERMS AND ADDITIONAL FILL TO BE PLACED OVER THE TILE TO PROVIDE ADEQUATE COVER.

COHESIVE MATERIAL FOUND DURING GENERAL EXCAVATION CAN BE USED FOR THESE AREAS. SAND AND

GRAVEL FOUND ON SITE SHALL NOT BE USED FOR THIS EARTHFILL.

10. BID ITEM FOR EARTHFILL (GENERAL DAM) SHALL CONSIST OF EXCAVATING, PLACING AND COMPACTING EARTHFILL NECESSARY TO CONSTRUCT THE PORTION OF THE EMBANKMENT THAT IS NOT CONSIDERED PART OF THE EMBANKMENT CORE. COHESIVE MATERIAL FOUND DURING GENERAL EXCAVATION CAN BE USED FOR THIS AREA. SAND AND GRAVEL FOUND ON SITE SHALL NOT BE USED FOR FILL FOR THIS ITEM.

IT IS ESTIMATED THAT 1,958 C.Y. OF GENERAL FILL MATERIAL WILL NEED TO BE EXCAVATED FROM THE

BORROW AREA FOR GENERAL (DAM) CONSTRUCTION. 870 C.Y. IS ANTICIPATED TO COME FROM

EXCAVATION OF THE WETLAND POOL/CORE TRENCH.

11. BID ITEM FOR EARTHFILL (DAM CORE) SHALL CONSIST OF EXCAVATING, PLACING AND COMPACTING

EARTHFILL NECESSARY TO CONSTRUCT THE PORTION OF THE EMBANKMENT DESIGNATED THE

EMBANKEMENT CORE, INCLUDING THE CORE TRENCH. COHESIVE MATERIAL TAKEN FROM THE

DESIGNATED BORROW AREA SHOULD BE USED FOR THIS AREA (ESTIMATED 1,476 C.Y.). ESTIMATED PLAN

VALUE INCLUDES 25% SHRINKAGE FACTOR.

12. BID ITEM FOR DRAINFILL (SAND) SHALL CONSIST OF FURNISHING AND PLACING DRAINFILL REQUIRED IN THE CONSTRUCTION OF STRUCTURE DRAINAGE SYSTEMS AND FILTER DIAPHRAGMS AROUND CONDUITS.

THIS ITEM WILL CONSIST OF THE EXCAVATION NECESSARY TO CONSTRUCT THE TOE DRAINS, INCLUDING

BACKFILL WITH MATERIAL MEETING THE REQUIREMENTS OF FINE DRAINFILL.

13. BID ITEM FOR TOPSOIL PLACEMENT SHALL CONSIST OF SPREADING SALVAGED AND STOCKPILED TOPSOIL AS THE SURFACE LAYER OF ALL EXCAVATIONS AND EARTHFILLS THAT WILL BE SEEDED. TOPSOIL SHALL BE PLACED AS THE FINAL LIFT. AREAS TO RECEIVE A MINIMUM OF 6" LAYER OF TOPSOIL INCLUDE AREAS OF THE EMBANKMENT THAT DO NOT HAVE RIPRAP, BORROW AREA, AND ADDITIONAL FILL PLACED OVER

NEW TILE.

14. BID ITEM FOR TOE DRAIN (6"Ø PERFORATED CPP) SHALL CONSIST OF FURNISHING AND INSTALLING 6-INCH PERFORATED CORRUGATED POLYETHYLENE TUBING (SINGLE WALL) USED AS A DRAIN TILE FOR THE TOE DRAIN AS SHOWN ON THE DRAWINGS. SAND BACKFILL AROUND THE TILE SHALL BE PAID UNDER A SEPARATE BID ITEM. 10' LENGTHS OF 8"Ø GALVANIZED CMP SHALL BE UTILIZED AT THE EXPOSED OUTLETS OF THE TOE DRAIN TILE (TWO LOCATIONS). THE METAL OUTLET SHALL BE PAID UNDER A

SEPARATE BID ITEM.

15. BID ITEM FOR 8"Ø HDPE DUAL-WALL SHALL CONSIST OF FURNISHING AND INSTALLING 8-INCH, NON-PERFORATED, HDPE, DUAL-WALL CORRUGATED POLYETHYLENE TUBING USED AS A DRAIN TILE AS SHOWN ON THE DRAWINGS. MEASUREMENT AND PAYMENT FOR 8-INCH NON-PERFORATED DUAL-WALL POLYETHYLENE TUBING SHALL BE ON AN INSTALLED LINEAR FOOT BASIS, AND SHALL INCLUDE ALL NECESSARY FITTINGS AND ADAPTERS. A 20' LENGTH OF 8"Ø GALVANIZED CMP SHALL BE UTILIZED AT THE EXPOSED OUTLET OF THE TILE (ONE LOCATION). THE METAL OUTLET SHALL BE PAID UNDER A SEPARATE

BID ITEM.

16. BID ITEM FOR 15"Ø HDPE DUAL-WALL SHALL CONSIST OF FURNISHING AND INSTALLING 15-INCH, NON-PERFORATED, HDPE, DUAL-WALL CORRUGATED POLYETHYLENE TUBING USED AS A DRAIN TILE AS SHOWN ON THE DRAWINGS. MEASUREMENT AND PAYMENT FOR 15-INCH NON-PERFORATED DUAL-WALL POLYETHYLENE TUBING SHALL BE ON AN INSTALLED LINEAR FOOT BASIS, AND SHALL INCLUDE ALL NECESSARY FITTINGS AND ADAPTERS. A 20' LENGTH OF 15"Ø GALVANIZED CMP SHALL BE UTILIZED AT THE EXPOSED OUTLET OF THE TILE (TWO LOCATIONS). THE METAL OUTLET SHALL BE PAID UNDER A

SEPARATE BID ITEM.

17. BID ITEM FOR 18"Ø HDPE DUAL-WALL SHALL CONSIST OF FURNISHING AND INSTALLING 18-INCH, NON-PERFORATED, HDPE, DUAL-WALL CORRUGATED POLYETHYLENE TUBING USED AS A DRAIN TILE AS SHOWN ON THE DRAWINGS. MEASUREMENT AND PAYMENT FOR 18-INCH NON-PERFORATED DUAL-WALL POLYETHYLENE TUBING SHALL BE ON AN INSTALLED LINEAR FOOT BASIS, AND SHALL INCLUDE ALL NECESSARY FITTINGS AND ADAPTERS. SEE SPECIFIC CONNECTION DETAILS ON FOR 18"Ø PIPES. A 20' LENGTH OF 18"Ø GALVANIZED CMP SHALL BE UTILIZED AT THE EXPOSED OUTLET OF THE TILE (ONE

LOCATION). THE METAL OUTLET SHALL BE PAID UNDER A SEPARATE BID ITEM.

18. BID ITEM FOR ALUMINUM CMP DRAW-DOWN STRUCTURE SHALL CONSIST OF PROVIDING AND INSTALLING

THE ALUMINUM DRAW DOWN STRUCTURE, STOP LOGS, AND CONCRETE BASE AS SHOWN ON THE

DRAWINGS AND DETAIL SHEETS.

19. BID ITEM FOR ALUMINUM CMP DRAW-DOWN INLET/OUTLET SHALL CONSIST OF PROVIDING AND INSTALLING THE 15-INCH DIAMETER CMP INLET AND OUTLET PIPES AS SHOWN ON THE DRAWINGS.

20. THE BID ITEM FOR STOPLOG STORAGE BOX SHALL INCLUDE ALL LABOR AND MATERIALS TO PROVIDE THE STOPLOG STORAGE BOX, AS DETAILED IN THE PLANS. EXACT LOCATION SHALL BE DETERMINED IN THE

FIELD WITH APPROVAL FROM ENGINEER.

21. BID ITEM FOR CMP OUTLET 8"Ø SHALL CONSIST OF FURNISHING AND INSTALLING THE 8"Ø CMP AND FITTINGS SHOWN ON THE PLANS FOR TILE OUTLETS, INCLUDING ANIMAL GUARD AT OUTLET END OF PIPE.

22. BID ITEM FOR CMP OUTLET - 15"Ø SHALL CONSIST OF FURNISHING AND INSTALLING THE 15"Ø CMP AND FITTINGS SHOWN ON THE PLANS FOR TILE OUTLETS, INCLUDING ANIMAL GUARD AT OUTLET END OF PIPE.

23. BID ITEM FOR CMP OUTLET - 18"Ø SHALL CONSIST OF FURNISHING AND INSTALLING THE 15"Ø CMP AND FITTINGS SHOWN ON THE PLANS FOR TILE OUTLETS, INCLUDING ANIMAL GUARD AT OUTLET END OF PIPE.

24. BID ITEM FOR RIPRAP (IA DOT CLASS E) SHALL CONSIST OF FURNISHING AND PLACING THE ROCK RIPRAP IN THE LOCATIONS AS SHOWN ON THE DRAWINGS. ROCK SHALL BE CLASS E REVETMENT STONE AS DEFINED BY IOWA DEPARTMENT OF TRANSPORTATION. NON-WOVEN FILTER FABRIC IS REQUIRED BENEATH ALL ROCK/RIPRAP AND SHALL BE SECURED TO SLOPES AND BOTTOM, USING PINS, AS NOTED IN THE SPECIFICATIONS. QUANTITY IS BASED ON TONS. CONTRACTOR SHALL PROVIDE SCALE TICKETS WITH WEIGHTS INCLUDING TARE WEIGHTS, GROSS WEIGHTS, AND NET WEIGHTS OF MATERIAL DELIVERED.

25. BID ITEM FOR CEMENT GROUT SHALL CONSIST OF FURNISHING AND PLACING CONCRETE GROUT ON THOSE PORTIONS OF THE RIPRAP SHOWN ON THE DRAWINGS. GROUT FILL QUANTITY IS BASED ON AN

APPLICATION RATE OF 0.6FT3/FT2 OF RIPRAP.

26. BID ITEM FOR ALUMINUM CMP RISER SHALL CONSIST OF PROVIDING AND INSTALLING THE 36-INCH

DIAMETER CMP RISER IN WETLAND AS SHOWN ON THE DRAWINGS.

27. BID ITEM FOR ALUMINUM CMP RISER SHALL CONSIST OF PROVIDING AND INSTALLING THE 18-INCH DIAMETER CMP RISER IN STILLING BASIN AS SHOWN ON THE DRAWINGS. BID ITEM SHALL INCLUDE ALL NECESSARY PIPE EXTENSIONS AND FITTINGS REQUIRED TO TIE RISER STRUCTURE WITH EXISTING TILE.

28. BID ITEM FOR SEPTIC SYSTEM MODIFICATION INCLUDES ALL MATERIAL, EQUIPMENT, AND LABOR NECESSARY TO INSTALL A NEW SEPTIC SYSTEM FOR THE ADJACENT HOMESTEAD, IN ACCORDANCE WITH

THE COUNTY SANITARIAN REQUIREMENTS. CONTRACTOR WILL BE RESPONSIBLE TO WORK WITH

LANDOWNER AND COUNTY SANITARIAN TO FURNISH AND INSTALL NEW SEPTIC SYSTEM SIZED FOR THE

EXISTING HOME. BID ITEM SHALL INCLUDE REMOVAL OF EXISTING 5" CPP SEPTIC LINE AND

DISCONNECTING THE SEPTIC SYSTEM FROM THE COUNTY TILE.

29. DEWATERING AND WATER MAINTENANCE IS THE CONTRACTOR'S RESPONSIBILITY, AND IS CONSIDERED

INCIDENTAL TO THE PROJECT.

NRCS SPECIFICATIONS:

IA CS-001 SITE PREPARATION

IA CS-005 POLLUTION CONTROL

IA CS-006 SEEDING AND MULCHING FOR PROTECTIVE COVER

CS-008 MOBILIZATION & DEMOBILIZATION

IA CS-009 SUBSURFACE DRAIN INVESTIGATION, REMOVAL, AND REPAIR

IA CS-011 REMOVAL OF WATER

IA CS-013 SHEET PILING

IA CS-021 EXCAVATION

IA CS-023 EARTHFILL

IA CS-024 DRAINFILL (SAND)

IA CS-026 TOPSOILING

IA CS-031 CONCRETE

IA CS-046 TILE DRAINS FOR LAND DRAINAGE

IA CS-051 CORRUGATED METAL PIPE CONDUITS

IA CS-061 LOOSE ROCK RIPRAP

IA CS-062 CONCRETE GROUT FOR RIPRAP

IA CS-081 METAL FABRICATION AND INSTALLATION

IA CS-095 GEOTEXTILE

ADDITIONAL NOTES:

1. THE PROJECT SPECIFICATIONS AS PREPARED BY IOWA DEPARTMENT OF AGRICULTURE AND LAND

STEWARDSHIP AND DUCKS UNLIMITED, INC. SHALL BE CONSIDERED AS PART OF THIS DOCUMENT.

THE NATURAL RESOURCES CONSERVATION SERVICE CONSTRUCTION SPECIFICATIONS SHALL ALSO

APPLY.

2. ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS AND ORDINANCES WILL BE COMPLIED WITH IN

THE CONSTRUCTION OF THIS PROJECT.

3. USDA, IDALS, AND DU DO NOT GUARANTEE THE WETLAND WILL FILL OR REMAIN FILLED WITH

WATER TO THE PRINCIPAL CREST ELEVATION.

4. IF CULTURAL RESOURCE IS IDENTIFIED DURING CONSTRUCTION, STOP IMMEDIATELY AND NOTIFY

ENGINEER AND IDALS.

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

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3-w w w .d uc ks

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Jo hn so n, S pe cs

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CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R ev is io n S he et

C002

6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright - Peterson C001 Cover & Specs

C T

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Q U

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IA-340-8

-2

A .S

R C S /I

D A

12" Ø TILE

INV. 1198.69

EXISTING 12" Ø

CONCRETE TILE

12" Ø TILE

INV. 1195.78

12" Ø TILE

INV. 1195.29

12" Ø TILE

INV. 1194.91

12" Ø TILE

INV. 1194.37

12" Ø TILE

INV. 1193.32

12" Ø TILE

INV. 1192.14

12" Ø TILE

INV. 1191.77

12" Ø TILE

INV. 1197.79

12" Ø TILE

INV. 1191.63

12" Ø TILE

INV. 1190.24

12" Ø TILE

INV. 1191.14

EXISTING 12" Ø

CLAY TILE

12" Ø TILE

INV. 1190.32

14" Ø TILE

INV. 1187.47

14" Ø TILE

INV. 1184.87

12" Ø TILE

INV. 1186.52

12" Ø TILE

INV. 1191.83

12" Ø TILE

INV. 1193.83

12" Ø TILE

INV. 1194.49

12" Ø TILE

INV. 1194.66

8" Ø TILE

INV. 1196.48

7" Ø TILE

INV. 1198.86

EXISTING 12" Ø

CONCRETE TILE

EXISTING 12" Ø

CLAY TILE

CP 1

SET CAPPED REBAR (RTK)

N: 3740484.66 E: 4868702.20

ELEV: 1224.30 (NAVD88)

CP 2

SET CAPPED REBAR (RTK)

N: 3740368.79 E: 4866123.36

ELEV: 1205.41 (NAVD88)

CP 3

SET CAPPED REBAR (RTK)

N: 3741652.25 E: 4867398.76

ELEV: 1202.22 (NAVD88)

EXISTING OVERHEAD ELECTRIC

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GRAPHIC SCALE

1 inch = feet200

200 0 100 200 400 800

OCTOBER 20, 2022

US-IA-340-8, WRIGHT COUNTY - PETERSON

Topographic Survey Field Book: CREP

HORIZONTAL CONTROL

Coordinates are NAD 83 (2011), Iowa State Plane North Zone 1401, and units of measurement are in U.S. Survey Feet. Raw data was collected for 5 hours on October 20, 2022 using a Trimble R12 GPS base receiver. Coordinates were initially established from an autonomous survey, and post-processed with the NGS OPUS (National Geodetic Survey, Online Positioning User Service) solution for the occupied Control Point 01.

VERTICAL CONTROL

Elevations were established from the OPUS solution for Control Point 01 using (GEOID18) CONUS file, elevation 1224.299 on the NAVD 88.

FIELD WORK TIMELINE:

October 20, 2022 - Initial Topographic Survey; Control Points Set, Obtained OPUS Solution.

March 29-30, 2023 - Tile Investigation and Test Pits.

April 24, 2023 - Soil Borings by CTS.

CONTROL POINT DATA

POINT #

ELEVATION

1224.299

1205.411

1202.219

NORTHING

3740484.655

3740368.792

3741652.248

EASTING

4868702.195

4866123.355

4867398.756

DESCRIPTION

SET CAPPED REBAR

*TEST PIT DIMENSIONS MEASURED APPROXIMATELY 20' LONG, 3' WIDE, & 3.5' DEEP.

TEST PIT #1

TEST PIT #3

TEST PIT #5

TEST PIT #6

TEST PIT #4

200TH ST

S O

N A

V E

S O

N A

V E

TEST PIT #2

PETERSON,

RICK E.

SOIL BORING #1

SOIL BORING #2

SOIL BORING #3

24" X 48" RCBC

NORTH INVERT ELEV. 1198.44'

SOUTH INVERT ELEV. 1198.44'

PETERSON,

RICK E.

SEGO

REVOCABLE

TRUST

CROWE FARMS LLC

TOP OF BASEMENT

SLAB ELEV. 1196.4'

91" X 52" CMP CULVERT

WEST INVERT ELEV. 1189.74'

EAST INVERT ELEV. 1190.15'

EG. AROUND HOME

ELEV. 1202.0'

5"Ø EXISTING

SEPTIC LINE

R ev is io ns B y

D at e

REVIEWER:

DRAWN BY:

SURVEYED BY:

PROJECT NUMBER:

DATE:

CAD FILE:

R ev is io n S he et

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

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6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright-Peterson-Topo

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AutoCAD SHX Text

TEST PIT SOIL DATA

AutoCAD SHX Text

LOCATION

AutoCAD SHX Text

TEST PIT #1

AutoCAD SHX Text

TEST PIT #2

AutoCAD SHX Text

TEST PIT #3

AutoCAD SHX Text

TEST PIT #4

AutoCAD SHX Text

TEST PIT #5

AutoCAD SHX Text

TEST PIT #6

AutoCAD SHX Text

TOP

AutoCAD SHX Text

36" TOPSOIL

AutoCAD SHX Text

26" TOPSOIL

AutoCAD SHX Text

24" TOPSOIL

AutoCAD SHX Text

31" TOPSOIL

AutoCAD SHX Text

34" TOPSOIL

AutoCAD SHX Text

25" TOPSOIL

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text 1203.1-1206.0

AutoCAD SHX Text 1199.5-1201.7

AutoCAD SHX Text 1193.8-1195.7

AutoCAD SHX Text 1201.7-1204.3

AutoCAD SHX Text 1192.8-1195.6

AutoCAD SHX Text 1201.4-1203.5

AutoCAD SHX Text

MIDDLE

AutoCAD SHX Text

MINIMAL TRANSITION

AutoCAD SHX Text

MINIMAL TRANSITION

AutoCAD SHX Text

LIGHT BROWN/GRAY CLAY MIXED W/SAND

AutoCAD SHX Text

LIGHT BROWN CLAY MIX W/ SAND

AutoCAD SHX Text

MINIMAL TRANSITION

AutoCAD SHX Text

LIGHT BROWN CLAY MIX (W/SAND)

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text N/A

AutoCAD SHX Text 1190.3-1193.8

AutoCAD SHX Text 1200.6-1201.7

AutoCAD SHX Text N/A

AutoCAD SHX Text 1199.7-1201.4

AutoCAD SHX Text

BOTTOM

AutoCAD SHX Text

LIGHT BROWN CLAY (SOME SAND CONTENT)

AutoCAD SHX Text

LIGHT BROWN SOIL WITH LIGHT GRAY PARTICLES (CLAY & SOME SAND)

AutoCAD SHX Text

ORANGE SAND OVER GRAY/BLUE CLAY

AutoCAD SHX Text

DARK ORANGE AND BROWN CLAY

AutoCAD SHX Text

LIGHT BROWN CLAY (SOME SAND)

AutoCAD SHX Text

DARK ORANGE AND BROWN CLAY

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text 1197.3-1203.1

AutoCAD SHX Text 1192.5-1199.5

AutoCAD SHX Text 1187.3-1190.3

AutoCAD SHX Text 1195.1-1200.6

AutoCAD SHX Text 1187.1-1192.8

AutoCAD SHX Text 1195.2-1199.7

AutoCAD SHX Text

SOIL BORING SOIL DATA

AutoCAD SHX Text

LOCATION

AutoCAD SHX Text B1

AutoCAD SHX Text B2

AutoCAD SHX Text B3

AutoCAD SHX Text

TOP

AutoCAD SHX Text

12" TOPSOIL

AutoCAD SHX Text

12" TOPSOIL

AutoCAD SHX Text

12" TOPSOIL

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text 1196.3-1197.3

AutoCAD SHX Text 1191.8-1192.8

AutoCAD SHX Text 1191.9-1192.9

AutoCAD SHX Text

MIDDLE

AutoCAD SHX Text

LEAN CLAY WITH SAND,

AutoCAD SHX Text

FAT CLAY

AutoCAD SHX Text

FAT CLAY

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text 1191.3-1196.3

AutoCAD SHX Text 1188.3-1191.8

AutoCAD SHX Text 1189.4-1191.9

AutoCAD SHX Text

BOTTOM

AutoCAD SHX Text

LEAN CLAY WITH SAND AND GRAVEL

AutoCAD SHX Text

LEAN CLAY WITH SAND

AutoCAD SHX Text

SANDY LEAN CLAY TO LEAN CLAY WITH SAND

AutoCAD SHX Text

ELEV. RANGE

AutoCAD SHX Text 1182.3-1191.3

AutoCAD SHX Text 1167.8-1188.3

AutoCAD SHX Text 1167.9-1189.4

CASADY FAMILY REVOCABLE TRUST

13+09

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12+85

3+00

4+00

5+00

6+00

7+00

8+00

10+

3+89

0+00

1+00

2+00

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96 11

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2+00

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GRAPHIC SCALE

1 inch = feet120

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LEGEND

APPROXIMATE PROPERTY LINE

PROPOSED DIKE

PROPOSED CHANNEL/DITCH

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

PROPOSED PIPE

(000)

PROPOSED WATER CONTROL

STRUCTURE

PROPOSED UNDERGROUND ELECTRICE

PROPOSED OVERHEAD ELECTRICOHE

PROPOSED HEADWALL / ENDWALL

PROPOSED MANHOLE

PROPOSED SOIL BORING

PROPOSED FULL SERVICE LEVEL (FSL)

PROPOSED SPOIL AREA

PROPOSED BORROW AREA

PROPOSED RIPRAP

PROPOSED DITCH

PROPOSED DIKE

0.00 PROPOSED SPOT ELEVATION

100 YEAR STORM BOUNCE

ELEV. 1197.6'

PROPOSED EDGE OF NWL ELEVATION

4.99 ACRES @ 1194.1' FSL

EXISTING SEPTIC TO BE MODIFIED

INDEPENDENT OF EXISTING TILE

(CURRENTLY TIED INTO TILE SYSTEM)

PROPOSED WETLAND GRADING AREA;

GRADE DOWN TO ELEV. 1193.0'

SHEET PILE STRUCTURE W/ PRIMARY

WEIR 60' WIDE; CREST ELEVATION AT

1194.1' (FSL); PROPOSED STILLING

BASIN DOWNSTREAM OF WEIR

APPROX. PROPERTY LINE

PROPOSED BERM

TOP ELEV. 1198.7'

PROPOSED SEDIMENTATION BASIN; BOTTOM OF

BASIN ELEVATION 1192.0 W/ 3:1 SIDE SLOPES;

BASIN BOTTOM DIMENSIONS 15' WIDE X 30' LONG

TOP OF BASEMENT

SLAB ELEV. 1196.4'

DESIGN CRITERIA

DESIGN CRITERIA VALUE UNIT REQUIREMENT/NOTES

WATERSHED AREA 626 ACRES 500 MIN.

POOL NORMAL WATER LEVEL (NWL) ELEVATION 1194.1 FT.

DESIGNED WETLAND POOL AREA (@ NWL) 4.99 ACRES

PERCENT POOL AREA TO WATERSHED AREA 0.8 % >=0.50%

MAX. POOL DEPTH 1.2 FT.

AVG. POOL DEPTH 1.2 FT.

DEEP WATER AREA (DEPTH >3 FT) 0 ACRES

PERCENT DEEP WATER TO POOL AREA 0 % <25%

POOL STORAGE VOLUME AT NWL 7.192 ACRE-FT

BERM ELEVATION 1198.7 FT.

POOL STORAGE VOLUME AT TOP OF BERM 55.303 ACRE-FT

MAX BERM HEIGHT 7.3 FT.

AVG. BERM HEIGHT 3.3 FT.

BERM LENGTH 1120 FT.

PRIMARY WEIR ELEVATION 1194.1 FT.

PRIMARY WEIR LENGTH 60 FT.

10-YEAR STORM HWL IN POOL 1196.57 FT.

10-YEAR PEAK INFLOW 899.34 CFS

10-YEAR PEAK OUTFLOW 809.43 CFS

25-YEAR STORM HWL IN POOL 1197.02 FT.

25-YEAR PEAK INFLOW 1164.43 CFS

25-YEAR PEAK OUTFLOW 1052.24 CFS

100-YEAR STORM HWL IN POOL 1197.58 FT.

100-YEAR PEAK INFLOW 1641.74 CFS

100-YEAR PEAK OUTFLOW 1505.66 CFS

WETLAND POOL CHARACTERISTICS

WETLAND

POOL

DEPTH (FT.)

ELEV.

(FT.)

INCREMENTAL

AREA (ACRE)

CUMULATIVE

VOLUME

(ACRE-FT)

0.0 1192 0 -

1.0 1193 4.360 2.181

2.0 1194 4.690 6.708

2.1 1194.1 4.997 7.192

3.0 1195 5.272 11.813

4.0 1196 7.894 18.396

5.0 1197 12.049 28.368

6.0 1198 16.333 42.559

6.7 1198.7 20.079 55.303

PROPOSED BORROW AREA FOR CLAY CORE;

STRIP FIRST 2-3' TOPSOIL BEFORE EXCAVATING BORROW;

ESTIMATED DEPTH OF 6-7' AFTER REMOVAL OF CLAY MATERIAL

TO BE BACKFILLED WITH WASTE MATERIAL AND COMPACTED,

CUT CHANNEL FROM

SEDIMENTATION BASIN

TO WETLAND

PROPOSED SEDIMENTATION BASIN; BOTTOM OF

BASIN ELEVATION 1191' W/ 3:1 SIDE SLOPES;

BASIN BOTTOM DIMENSIONS 15' WIDE X 30' LONG

PROPOSED SEDIMENTATION BASIN; BOTTOM OF

BASIN ELEVATION 1191' W/ 3:1 SIDE SLOPES;

BASIN BOTTOM DIMENSIONS 15' WIDE X 30' LONG

EASEMENT BOUNDARY

SUBMERGED BERM; 6'

WIDE TOP W/ 3:1 SIDE

SLOPES; TOP OF BERM

ELEVATION 1193.6'

WETLAND PROFILE #1

(ALONG FLOW PATH)

WETLAND PROFILE #2

(ACROSS GRADING AREA)

PROPOSED CMP RISER WCS

PROPOSED CMP INTAKE RISER

THIS AREA SHALL BE SLOPED TO

DRAIN TOWARDS THE WETLAND

50' TILE BREAK ON

5" Ø EXISTING CLAY TILE

(CLAY; CRUSH EXISTING TILE)

TILE #1 - INTERCEPT EXISTING 5" Ø

CLAY TILE AND RE-ROUTE W/

8" Ø HDPE DUAL WALL PIPE

AT 0.1% SLOPE FOR 125 L.F.

TIE IN INVERT ELEV. 1195.31'

OUTLET INVERT ELEV. 1195.1'

EASTING: 4866929.9266

NORTHING: 3742140.6907

BREAK EXISTING 5"Ø CLAY TILE

FROM INTERCEPT LOCATION FOR 100' IN

DOWNSTREAM DIRECTION

(CLAY; CRUSH EXISTING TILE IN PLACE)

TILE #2 - INTERCEPT EXISTING 12" Ø

CLAY TILE AND RE-ROUTE W/

18" Ø HDPE DUAL-WALL PIPE

AT 0.10% SLOPE FOR 667 L.F.

TIE IN INVERT ELEV. 1195.76'

OUTLET INVERT ELEV. 1195.1'

EASTING: 4867507.9640

NORTHING: 3742372.6300

BREAK EXISTING 12"Ø CLAY TILE

FROM INTERCEPT LOCATION FOR 100' IN

DOWNSTREAM DIRECTION

(CLAY; CRUSH EXISTING TILE IN PLACE)

TILE #3 - INTERCEPT EXISTING 12" Ø

CLAY TILE AND RE-ROUTE W/

15" Ø HDPE DUAL-WALL PIPE

AT 0.30% SLOPE FOR 522 L.F.

TIE IN INVERT ELEV. 1196.69'

OUTLET INVERT ELEV. 1195.1'

EASTING: 4867270.4969

NORTHING: 3741416.1053

BREAK EXISTING 12"Ø CLAY TILE

FROM INTERCEPT LOCATION FOR 100' IN

DOWNSTREAM DIRECTION

(CLAY; CRUSH EXISTING TILE IN PLACE)

TILE #4 - INTERCEPT EXISTING 12" Ø

CLAY TILE AND RE-ROUTE W/

15" Ø HDPE DUAL-WALL PIPE

AT 0.14% SLOPE FOR 617 L.F.

TIE IN INVERT ELEV. 1196.00'

OUTLET INVERT ELEV. 1195.1'

EASTING: 4866643.8385

NORTHING: 3739930.1590

BREAK EXISTING 12"Ø CLAY TILE

FROM INTERCEPT LOCATION FOR 100' IN

DOWNSTREAM DIRECTION

(CLAY; CRUSH EXISTING TILE IN PLACE)

REMOVE EXISTING TILE BENEATH BERM AND INTO WETLAND

100' ALONG EXISTING TILE FROM EAST BERM TOE;

CAP AND PLUG EXISTING TILE AT EACH END OF REMOVAL

TILE #1 - DAYLIGHT 8"Ø

HDPE DUAL WALL

E: 4866867.9313 N: 3742032.5082

INV. ELEV. 1195.1'

INSTALL APPROX. 125 L.F. @ 0.1%

SLOPE; PROVIDE 3' MIN. GROUND

COVER OVER PIPE.

TILE #2 - DAYLIGHT 18"Ø

HDPE DUAL WALL

E: 4867026.6688 N: 3741991.7798

INV. ELEV. 1195.1'

INSTALL APPROX. 667 L.F. @ 0.1%

SLOPE; PROVIDE 3' MIN. GROUND

COVER OVER PIPE.

TILE #3 - DAYLIGHT 15"Ø

HDPE DUAL WALL

E: 4866754.0391 N: 3741494.9597

INV. ELEV. 1195.1'

INSTALL APPROX. 522 L.F. @ 0.3%

SLOPE; PROVIDE 3' MIN. GROUND

COVER OVER PIPE.

TILE #4 - DAYLIGHT 15"Ø

HDPE DUAL WALL

E:4866533.3880 N:3740536.4073

INV. ELEV. 1195.1'

INSTALL APPROX. 617 L.F. @ 0.14%

SLOPE; PROVIDE 3' MIN. GROUND

COVER OVER PIPE.

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

G R

A N

C R

N A L

M A N

B O

V A R D

B U

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3-w w w .d uc ks

.o rg

U se rs \w aj oh ns on

\D uc ks U nl im ite d

In co rp or at ed

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3D P ro je ct s\

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-2

C R

P R O

\W R

H T

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N \C

3D _D

R A W

\W ri gh t- Pe te rs on -S ite P la n.

dw g, /1

W ill ia m

Jo hn so n, C

S ite

P la n, N on e

CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R ev is io n S he et

C101

6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright-Peterson-Site Plan

C T

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0D W

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A N

IA-340-8

SEPTIC SYSTEM MODIFICATION INCLUDES ALL

MATERIAL, EQUIPMENT, AND LABOR NECESSARY

TO INSTALL A NEW SEPTIC SYSTEM FOR THE

ADJACENT HOMESTEAD, IN ACCORDANCE WITH

THE COUNTY SANITARIAN REQUIREMENTS.

CONTRACTOR WILL BE RESPONSIBLE TO WORK

WITH LANDOWNER AND COUNTY SANITARIAN TO

FURNISH AND INSTALL NEW SEPTIC SYSTEM

SIZED FOR THE EXISTING HOME. BID ITEM SHALL

INCLUDE REMOVAL OF EXISTING 5" CPP SEPTIC

LINE AND DISCONNECTING THE EXISTING SEPTIC

SYSTEM FROM THE COUNTY TILE.

-2

A .S

R C S /I

D A

AutoCAD SHX Text NOTE: EXISTING TILE ROUTED THROUGH WETLAND SHALL BE CRUSHED/PLUGGED IN MULTIPLE LOCATIONS; A RISER INLET SHALL BE PROVIDED IN STILLING BASIN DOWNSTREAM OF WEIR TO COLLECT TILE BASE FLOW TO BE ROUTED BACK INTO THE TILE SYSTEM.

AutoCAD SHX Text

200TH STREET

AutoCAD SHX Text

NELSON AVE

AutoCAD SHX Text

PETERSON, RICK E.

AutoCAD SHX Text

PETERSON, RICK E.

AutoCAD SHX Text

CROWE FARMS, LLC

AutoCAD SHX Text

CASADY FAMILY REVOCABLE TRUST

AutoCAD SHX Text

PETERSON, RICK E.

AutoCAD SHX Text

SEGO REVOCABLE TRUST, JOHN & SEGO REVOCABLE TRUST, SHERYL.

AutoCAD SHX Text

HOUSE

NOTE:

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1 inch = feet30

30 0 15 30 60 120

PLAN - EMBANKMENT

182 L.F. TILE BREAK

ON 14"Ø CLAY TILE

248 L.F. TILE BREAK

ON 12"Ø CONCRETE TILE

CMP DRAW-DOWN

STRUCTURE INTAKE RISER

CMP DRAW-DOWN

STRUCTURE OUTLET

18"Ø SURFACE INLET/RISER;

TIED INTO 14" EXISTING TILE

NWL ELEVATION 1194.1'

TOP OF BERM

ELEVATION 1198.7

12' WIDE TOP

GRAPHIC SCALE

1 inch = feet50

50 0 25 50 100 200

PROFILE - EMBANKMENT AT PRIMARY SPILLWAY

10:1 VERTICAL EXAGGERATION

SHEET PILE STRUCTURE

(SEE SHEET C301 FOR DETAILS)

START OF PROPOSED BERM

STA 0+00

ELEV.: 1198.7

BERM GRADE BREAK

STA. 7+50.00

ELEV.: 1098.7'

BERM GRADE BREAK

STA. 8+44.14

ELEV. 1198.7

END OF PROPOSED BERM

STA 13+09

ELEV.: 1198.7

EXISTING GROUND

SUBMERGED BERM

CMP DRAW-DOWN STRUCTURE

GROUTED RIPRAP STILLING BASIN

AND OUTLET CHANNEL

60' WIDE SHEET PILE WEIR

W/ CREST ELEV. 1194.1'

WETLAND AREA GRADED

DOWN TO ELEV. 1193.0'

60' WEIR

4' DEPTH CLAY CORE

100 YR STORM BOUNCE

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

G R

A N

C R

N A L

M A N

B O

V A R D

B U

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3-w w w .d uc ks

.o rg

U se rs \w aj oh ns on

\D uc ks U nl im ite d

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\I ow a

D oc um en ts \I ow a\

3D P ro je ct s\

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C R

P R O

\W R

H T

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N \C

3D _D

R A W

\W ri gh t- Pe te rs on -S ite P la n.

dw g, /1

W ill ia m

Jo hn so n, C

Em ba nk m en t Pl an

N on e

CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R ev is io n S he et

C201

6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright-Peterson-Site Plan

C T

N O

R I9

0D W

H T

C O

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B A N

K M

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IA-340-8

-2

A .S

R C S /I

D A

AutoCAD SHX Text

FLOW

AutoCAD SHX Text

DIKE SHALL BE OVERBUILT 5% FOR SETTLEMENT

AutoCAD SHX Text THIS AREA SHALL BE SLOPED TO DRAIN TOWARDS EXISTING CULVERT; LOW AREAS TO BE FILLED AND LEVELED

AutoCAD SHX Text 3:1

DIKE SHALL BE OVERBUILT 5% FOR SETTLEMENT

0+00

1+00

1+35

5.0'

12.8'

63.6'

0+61

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1 inch = feet10

10 0 5 10 20 40

1.5' DEPTH IA DOT CLASS E

RIPRAP IN STILLING BASIN

AGRIDRAIN STANDARD BAR

GUARD (OR APPROVED EQUAL)

2"Ø HOLES SPACED 6" O.C.;

START HOLES 3" FROM TOP

OF RISER AND EXTEND TO

BOTTOM OF RIPRAP

CONCRETE BASE; PROVIDE #4

REINFORCEMENTS AT 12" O.C.

RIM ELEV. 1192.0'

18"Ø ALUMINUM CMP; 7.75'

LENGTH TOTAL (INCLUDING 6"

INTO CONCRETE)

ELEV. 1184.75' ELEV. 1184.6'

EXISTING 14"Ø

CONCRETE TILE

PRE-FABRICATED 22.5°

BEND DUAL-WALL PIPE

35' L.F. @ 0.4% SLOPE

15"Ø HDPE DUAL-WALL

SURFACE INLET RISER DETAIL

SCALE: 1" = 3'

NOTE:

ALL CONNECTIONS SHALL BE MADE

USING PRE-FABRICATED WATERTIGHT

CONNECTIONS FROM MANUFACTURER,

OR ELSE, PROVIDE WITH MAR-MAC

WRAP AND CONCRETE COLLARS.

WELDED JOINT

36" CMP DRAW DOWN STRUCTURE INLET DETAIL

SCALE: 1" = 3'

AGRIDRAIN HD BAR GUARD

(OR APPROVED EQUAL)

CLASS E RIPRAP AT

1:1 SLOPE

2"Ø HOLES SPACED 6" O.C.;

START HOLES 3" FROM TOP

CONCRETE BASE; PROVIDE #4

REINFORCEMENTS AT 12" O.C.

36"Ø ALUMINUM CMP; 1.8'

LENGTH TOTAL (INCLUDING 6"

INTO CONCRETE)

RIM ELEV. 1194.1'

NOTE:

ALL CONNECTIONS SHALL BE MADE

USING PRE-FABRICATED WATERTIGHT

CONNECTIONS FROM MANUFACTURER,

OR ELSE, PROVIDE WITH MAR-MAC

WRAP AND CONCRETE COLLARS.

IA DOT CLASS E RIPRAP

12' DIA.

36" CMP DRAW DOWN

STRUCTURE INLET

IA DOT CLASS E GROUTED

RIPRAP AT 1.5' DEPTH

OVER GEOTEXTILE FABIC;

ALL RIPRAP

SHALL BE GROUTED

IA DOT CLASS E GROUTED

RIPRAP AT 1.5' DEPTH

OVER GEOTEXTILE FABIC

GROUTED IA DOT CLASS E RIPRAP

AT 1.5'DEPTH OVER GEOTEXTILE FABRIC

THIS AREA SHALL BE SLOPED

TO DRAIN TOWARD EXISTING

CULVERT/DITCH

48"Ø ALUM. CMP RISER

INVERT ELEV.: 1192.8'

15"Ø ALUM. CMP OUTLET

INVERT ELEV.: 1192.8'

(PROVIDE RODENT GUARD)

18"Ø CMP RISER WITH CONCRETE

BASE AND AGRIDRAIN SURFACE

INLET GRATE (OR APPROVED EQUAL)

TIE-IN 15"Ø HDPE PIPE

WITH PRE-FABRICATED 20°

BEND INTO EXISTING 14"Ø

CLAY TILE

EXTEND RIPRAP TO ROAD CULVERT

SHEET PILE CENTERLINE ALIGNMENT

STA.: 0+00.00

EASTING: 4866233.4719

NORTHING: 3741290.4851

SHEET PILE CENTERLINE ALIGNMENT

STA.: 1+35.00

EASTING: 4866098.4719

NORTHING: 3741290.4851

EXISTING 14"Ø

CLAY TILE

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

G R

A N

C R

N A L

M A N

B O

V A R D

B U

A N

3-w w w .d uc ks

.o rg

U se rs \a sc hi pp er s\ D uc ks

U nl im ite d In co rp or at ed \I ow a

Io w a\

3D P ro je ct s\

-3

-2

C R

P R O

\W R

H T

R S O

N \C

3D _D

R A W

\W ri gh t- Pe te rs on -S ite P la n.

dw g, 0/

A M

A nd re w

S ch ip pe rs

R ip ra p an d

D ra w -D ow n

Pl an

N on e

CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R ev is io n S he et

C202

6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright-Peterson-Site Plan

C T

N O

R I9

0D W

H T

C O

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W A

R A P

R A W

-D O

W N

IA-340-8

-2

A .S

R C S /I

D A

AutoCAD SHX Text NOTE: 1. ALL RIPRAP SHALL BE PLACED OVER ALL RIPRAP SHALL BE PLACED OVER NON-WOVEN GEOTEXTILE FABRIC. 2. RIPRAP AT PRIMARY WEIR SHALL BE RIPRAP AT PRIMARY WEIR SHALL BE GROUTED, AS SHOWN.

SLOPE

2+25

2+00

0+00

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1+00

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2+00

2+25

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N A L

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GRAPHIC SCALE

1 inch = feet10

10 0 5 10 20 40

PLAN - INLET CHANNEL

EXISTING GRADE

INLET CHANNEL W/ 6' WIDE

BOTTOM AND 3:1 CUT SLOPES

DAYLIGHTED TILE #2 AT 1195.1'

INTO SEDIMENT BASIN

INLET CHANNEL BEGIN

STA. 0+00.00

CHANNEL BOTTOM ELEV: 1195.1'

INLET CHANNEL END

STA. 2+24.95

CHANNEL BOTTOM ELEV: 1193.0'

15' WIDE BY 30' LONG SEDIMENT

BASIN WITH BOTTOM ELEVATION

1192.0' AND 3:1 CUT SLOPES

PROFILE - INLET CHANNEL

5:1 VERTICAL EXAGGERATION

INLET CHANNEL BEGIN

STA. 0+00.00

CHANNEL BOTTOM ELEV: 1195.1'

INLET CHANNEL END

STA. 2+24.95

CHANNEL BOTTOM ELEV: 1193.0'

PROPOSED CHANNEL BOTTOM

AT 0.1% SLOPE

GRAPHIC SCALE

1 inch = feet20

20 0 10 20 30 60

ENLARGED PLAN - SEDIMENT BASIN

SCALE 1"=10'

15.00'

30.00'

TILE #2

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

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N A L

M A N

B O

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CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R ev is io n S he et

C203

6-19-24

T.P.

A.S., J.W.

C.K.

A.S.

Wright-Peterson-Site Plan

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WETLAND PROFILE #1 - ALONG FLOW PATH

5:1 VERTICAL EXAGGERATION

SCALE: 1" = 50'

TILE #1 OUTLET

OUTLET ELEV. 1195.1'

WETLAND PROFILE #2 - ACROSS GRADING AREA

5:1 VERTICAL EXAGGERATION

SCALE: 1" = 20'

SEDIMENTATION BASIN #1 INLET CHANNEL TO WETLAND EXISTING GRADE

NWL ELEV. 1194.1' NORTH SUBMERGED BERM

TOP ELEV. 1193.6'

SOUTH SUBMERGED BERM

TOP ELEV. 1193.6'

PROPOSED BERM AT WEIR

CREST ELEV. 1194.1'

GROUTED RIPRAP

STILLING BASIN

NWL ELEV. 1194.1'

EXISTING GRADE GRADE WETLAND

BOTTOM TO

1193.0

3:1 MAX. SLOPE

AFFIX SEAL: DUCKS UNLIMITED, INC.

ON:

G R

A N

C R

N A L

M A N

B O

V A R D

B U

A N

3-w w w .d uc ks

.o rg

U se rs \w aj oh ns on

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Jo hn so n, C

W et la nd P ro fil es

N on e

CAD FILE:

DRAWN BY:

SURVEYED BY:

REVIEWER:

DATE:

PROJECT NUMBER:

R ev is io ns D at e

B y

R…

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