LEGEND NORMAL WETLAND · 15+00 16+00 17+00 18+00 19+00 20+00 1035 1040 1045 1050 1055 1060 1065 1070 1075 1080 1035 1040 1045 1050 1055 1060 1065 1070 1075 1080 1 0 6 6. 1 4 1 0 7

2+00

3+00

4+00

5+00

6+00

7+00

8+00

PC4+

18.9

9 PT6+15.93

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1040

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1050

1055

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1065

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1075

1080

1035

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1055

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1065

1070

1075

1080

1070

.44

1070

.50

2+20

1069

.18

1070

.50

2+40

1067

.94

1070

.50

2+60

1066

.88

1070

.50

2+80

1066

.00

1070

.50

3+00

1065

.11

1070

.50

3+20

1064

.22

1070

.50

3+40

1063

.34

1070

.50

3+60

1062

.67

1070

.50

3+80

1062

.54

1070

.50

4+00

1062

.42

1070

.50

4+20

1062

.34

1070

.50

4+40

1061

.60

1070

.50

4+60

1060

.93

1070

.50

4+80

1061

.10

1070

.50

5+00

1061

.83

1070

.50

5+20

1062

.52

1070

.50

5+40

1062

.99

1070

.50

5+60

1063

.09

1070

.50

5+80

1063

.25

1070

.50

6+00

1063

.63

1070

.50

6+20

1064

.05

1070

.50

6+40

1064

.21

1070

.50

6+60

1064

.42

1070

.50

6+80

1064

.59

1070

.50

7+00

1064

.74

1070

.50

7+20

1064

.88

1070

.50

7+40

1064

.94

1070

.50

7+60

1064

.78

1070

.50

7+80

30'

54'

PRIMARY SHEET PILE WEIR

MIN

.4'

1' TOPSOIL SUBCUT

190' 6" STM @0.10%

944' 6" STM @ 0.25%

PROPOSED ELEVATIONEXISTING ELEVATION

© Bolton & Menk, Inc. 2016, All Rights Reserved DIKE PROFILE

IOWA DEPARTMENT OF AGRICULTUREGRUNDY COUNTY CREP PROJECT NO. GRU871810B

DESIGNED

DRAWN

CHECKED

JDL

JGS

JPRDATEISSUED FORREV

4.0H:\IDALS\A11107548\C3D\JGSSheets\109548_BRM1.dwg 10/7/2016 12:16 PM

FEETSCALEHORZ.

20 400

FEETSCALEVERT.

5 100

ELEV: 1066.50

CORE TRENCH NOTES:

1. SUITABLE MATERIAL FOR EMBANKMENT CONSTRUCTION SHALL BE OBTAINED FROMTHE SPILLWAY EXCAVATIONS AND DESIGNATED BORROW AREAS.

2. STRIP ALL ORGANICS AND TOPSOIL BENEATH EMBANKMENT.3. EXCAVATE MINIMUM OF 5 FT DEPTH CORE TRENCH (SEE DETAIL) OR UNTIL SUITABLE

MATERIAL IS REACHED.4. CONSTRUCT CORE TRENCH ALONG APPROXIMATE CENTERLINE OF FILL.5. EXTEND CORE INTO AND UP SIDES SLOPES TO 1.5' ABOVE NORMAL POOL ELEVATION.6. SIDES SLOPES SHALL NOT BE STEEPER THAN 1:1.

7. FILL SHALL BE PLACED IN MAXIMUM 9" LIFTS PRIOR TOCOMPACTION.

8. BACKFILL WITH LOW IMPERMIABILITY MATERIAL FROM THEPRIMARY BORROW AREA.

9. THE MAXIMUM THICKNESS OF EACH LAYER OF FILL BEFORECOMPACTION SHALL BE AS SPECIFIED. THE ENTIRE SURFACE LAYEROF FILL SHALL BE COMPACTED BY AT LEAST 2 PASSES OF THECOMPACTION EQUIPMENT.

CONSTRUCTION NOTES:

1. PLACE NONWOVEN GEOTEXTILE FABRIC UNDER ALL RIPRAP2. RIPRAP SHALL BE 18" DEEP UNLESS OTHERWISE NOTED OR APPROVED BY ENGINEER3. TOP OF RIPRAP UPSTREAM OF WEIR SHALL BE A MINIMUM OF 0.2' BELOW TOP OF WEIR4. 4' OF RIPRAP UPSTREAM OF WEIR SHALL BE GROUTED TO A SMOOTH TROWEL FINISH5. THE CONTRACTOR SHALL PROVIDE A MINIMUM ALLOWABLE SETTLEMENT OF 5% OF THE

TOTAL FILL DEPTH ON THE BERM

OUTLET CHANNELELEV: 1058.25

CLAY CORE TRENCH

6" TRENCH DRAIN

EXISTING GROUND PROFILEPROPOSED DIKE PROFILEELEV: 1070.50

METAL SHEET PILING

12' DOWNSTREAM (TYP.)

18" MIN.

±3'

1'3"

COMPACTEDEARTH

BACKFILL

6" PERFORATEDCORRUGATEDPOLYETHYLENEDRAINAGE TUBING

TRENCH DRAIN DETAILNOT TO SCALE

POROUS BACKFILL

EXISTING MAIN CONTOUREXISTING INTERMEDIATE CONTOUREXISTING FIELD DRAIN TILE

PROPOSED MAIN CONTOUR

PROPOSED INTERMEDIATE CONTOURPROPOSED GROUTED RIPRAP

PROPOSED SHEET PILE WEIRPROPOSED OUTLET PIPE

LEGEND

EXISTING

1

10'

APPROX 1' SUBCUT

1

SURFACE

ELEV=1070.50

1

35

MIN 4'

1

MIN 8'

CORE TRENCH

MIN 8'

10'

ELEV=1068.00

GROUND

10'ACCESSBENCH

NWLELEV 1066.50

OUTLET CONTROL STRUCTURE

RURAL WATER EASEMENT

3" RURAL WATER LINE

EXISTING RURAL WATER LINE

6" TRENCH DRAIN

TOP OF CORE TRENCH - 1068.00

20 LF 6" CMP@ 0.10%

NORMAL WETLANDPOOL 1066.50

REMOVE PIPE

PERMANENT EASEMENT

230TH STREET

PRIMARYSHEET PILE WEIR

OUTLET CONTROLSTRUCTURE

GROUTEDRIP RAP ARMORING,280 TONS

5" PE TILE

8" CONC TILE

8" VCP TILE

6"VC

PTIL

E6" INV = 1067.27

6/9/16BID0

OUTLET

CHAN

NEL

PERMANENT EASEMENT

10/6/16FINAL1

2730 FORD ST, P.O. BOX 668AMES, IOWA 50010

Phone: (515) 233-6100Email: [email protected]

www.bolton-menk.comR

STILLINGBASIN

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1070

1075

1080

1064

.83

1070

.50

8+00

1064

.21

1070

.50

8+20

1064

.12

1070

.50

8+40

1064

.27

1070

.50

8+60

1064

.22

1070

.50

8+80

1064

.35

1070

.50

9+00

1064

.23

1070

.50

9+20

1064

.34

1070

.50

9+40

1064

.32

1070

.50

9+60

1064

.46

1070

.50

9+80

1064

.52

1070

.50

10+00

1064

.59

1070

.50

10+20

1064

.59

1070

.50

10+40

1064

.64

1070

.50

10+60

1064

.66

1070

.50

10+80

1064

.66

1070

.50

11+00

1064

.69

1070

.50

11+20

1064

.88

1070

.50

11+40

1064

.88

1070

.50

11+60

1065

.13

1070

.50

11+80

1065

.18

1070

.50

12+00

1065

.26

1070

.50

12+20

1065

.32

1070

.50

12+40

1065

.28

1070

.50

12+60

1064

.96

1070

.50

12+80

1065

.41

1070

.50

13+00

1065

.57

1070

.50

13+20

1065

.77

1070

.50

13+40

1065

.85

1070

.50

13+60

1066

.06

1070

.50

13+80

1066

.14

1070

.50

14+00

PROPOSED DIKE PROFILEELEV: 1070.50

CLAY CORE TRENCH6" TRENCH DRAIN

EXISTING GROUND PROFILE

1' TOPSOIL SUBCUT

EXISTING ELEVATIONPROPOSED ELEVATION

944' 6" STM @ 0.25%

TOP OF CORE TRENCH - 1068.00



SHEETDESIGNED

DRAWN

CHECKED

JDL

JGS



FEETSCALEHORZ.

20 400

FEETSCALEVERT.

5 100

230TH STREET EXISTING EXTRANCE

3" RURAL WATER LINE

PROTECT EXISTING CULVERT


PERMANENT EASEMENT

6" TRENCH DRAIN

NORMAL WETLAND POOL - 1066.50

6" VCP TILE

8" VCP TILE 8" CONC TILE

6/9/16BID0

10/6/16FINAL1




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1070

1075

1080

1066

.14

1070

.50

14+00

1066

.24

1070

.50

14+20

1066

.43

1070

.50

14+40

1066

.61

1070

.50

14+60

1066

.74

1070

.50

14+80

1067

.05

1070

.50

15+00

1067

.35

1070

.50

15+20

1067

.63

1070

.50

15+40

1067

.74

1070

.50

15+60

1067

.85

1070

.50

15+80

1068

.21

1070

.50

16+00

1068

.92

1070

.50

16+20

1069

.38

1070

.50

16+40

1069

.69

1070

.50

16+60

1069

.70

1070

.50

16+80

1069

.83

1070

.50

17+00

1070

.00

1070

.50

17+20

1069

.91

1070

.50

17+40

1070

.15

1070

.50

17+60

1070

.27

1070

.50

17+80

1070

.65

1070

.50

18+00

1071

.13

1070

.50

18+20

1071

.57

1070

.50

18+40

1071

.73

1070

.50

18+60

1072

.11

1070

.50

18+80

1072

.42

1070

.50

19+00

1072

.87

1070

.50

19+20

1073

.25

1070

.50

19+40

1073

.96

1070

.50

19+60

1074

.45

1070

.50

19+80

1074

.94

1070

.50

20+00

CLAY CORE TRENCH

PROPOSED DIKE PROFILEELEV: 1070.5

1' TOPSOIL SUBCUT

12" STM1068.41

6" TRENCH DRAIN@ 0.25%

TOP OF CLAY CORE TRENCH - 1068.00

PROPOSED ELEVATION EXISTING ELEVATION



SHEETDESIGNED

DRAWN

CHECKED

JDL

JGS



FEETSCALEHORZ.

20 400

FEETSCALEVERT.

5 100


3" RURAL WATER LINE

230TH STREET230TH STREET ROW

PERMANENT EASEMENT

PERMANENT EASEMENT

PROPOSED DRAINTILE DETAIL #3

6" VCP TILE

8" VCP TILE

NORMAL WETLANDPOOL = 1066.50

6/9/16BID0

10/6/16FINAL1




TEMPORARYCONSTRUCTIONACCRESS

6" TRENCH DRAIN

NORMAL WETLANDPOOL = 1066.50

0+00

1+00

1+32

1054

1056

1058

1060

1062

1064

1066

1068

1070

1072

1054

1056

1058

1060

1062

1064

1066

1068

1070

1072

10'20'

NWL

STRUCTURE - (1)1+16.92-0.15' RR=1066.50I=1062.00 (18") NE

STRUCTURE - (3)0+88.19-0.00'R=1070.00I=1061.52 (18") SWI=1061.52 (18") NE

61' 18"STM @1.91%

29' 18" STM @1.65%

© Bolton & Menk, Inc. 2016, All Rights Reserved WATER CONTROL STRUCTURE & OUTLET PIPE


DESIGNED

DRAWN

CHECKED

JDL

JGS


5.0H:\IDALS\A11107548\C3D\JGSSheets\109548_BSN1.dwg 10/7/2016 3:26 PM

FEETSCALEHORZ.

10 200

FEETSCALEVERT.

2 40

SURROUND RISERWITH RIPRAP

EXISTING GROUND PROFILE

PROPOSED DIKE PROFILE

BEEHIVE INLET GRATE

SECTION VIEW

NOT TO SCALE

PLAN VIEW

(STEEL BARS)

NOTES:1. BEGIN BACKFILL IMMEDIATELY AFTER PIPE HAS BEEN PLACED

2. EXCAVATE 3" BELOW PIPE GRADE. THEN BACKFILL WITH DAMPFRIABLE SOIL FREE FROM LUMPS AND RAKED OR GRADED TO ATRUE PLANE BEFORE PLACING CMP. NO COMPACTIONOF BEDDING IS REQUIRED.

3. USE COMPACTED CLAY MATERIAL FOR PIPE BEDDING UPSTREAMOF PIPE DIAPHRAGM.

4. PIPE BEDDING MATERIAL SHALL BE HAND TAMPED ONLY.POWER TAMPING IS NOT ALLOWED.

CMP PIPE BEDDING FOR WATER

NOT TO SCALE

COMPACTED BACKFILLAS SPECIFIED

DIACOMPACTED CLAY

MATERIAL

CONTROL STRUCTURE

A

ACONTINUOUS WELDBETWEEN BANDAND COLLAR.

CONTINUOUS WELDBETWEEN BANDAND COLLAR.

TOP OF BAND

BOTTOM OF BAND

BOTTOM OF COLLAR

CORRUGATED METALSHEET WELDED TOCENTER OF BAND.

CMP ANTI-SEEP COLLARNOT TO SCALE

(SOURCE: SUDAS 9040.17)

SLOTTED HOLES@ 8" O.C.

1/2" X 2" SLOTTED HOLESFOR 3/8" DIA BOLTS

BAND

BAND

SECTION A-A

NWL 1066.50

CMP SLOTTED INTAKE RISERNOT TO SCALE

PIPE TODRAWDOWNINLET RISER

CORRUGATED METALRISER W/ PERFORATIONS

WELDED COUPLERWITH THREADED BANDS

BEEHIVE INLETGRATE (SEE DETAIL)

BERM SLOPE

SLOTTED PERFORATIONS2" X 6" SLOTS SPACED 8"

HORIZ. & 6" VERT. OFFSETCOLUMNS 4" AND 8" FROM

TOP OF STRUCTURE

SURROUND RISERWITH RIP RAP

INV =1062.00

SEAM

TOP VIEW

30° TYPICAL

C SLOTL

WELDED COUPLERWITH THREADED BANDS

STOP LOG STORAGE LOCATION

OUTLET CHANNEL6" TRENCH DRAIN

CONTROLSTRUCTURE

BERM

WATER CONTROL STRUCTURE

CMP INTAKE RISER

GROUTED RIP RAPARMORINGFLO

W

RIP RAP ARMORING

BERM ELEVATION1068.00

STA

0+58

.045

°CM

PBE

ND

STA

0+74

.045

°CM

PBE

ND

I = 1060.37

ANTI-SEEP COLLAR

6/9/16BID0

10/6/16FINAL1




Documents

LEGEND NORMAL WETLAND · 15+00 16+00 17+00 18+00 19+00 20+00 1035 1040 1045 1050 1055 1060 1065 1070 1075 1080 1035 1040 1045 1050 1055 1060 1065 1070 1075 1080 1 0 6 6. 1 4 1 0 7