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IL

L

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O

IS

R

IV

E R B

A S

IN

P L

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H O

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IN

A G

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IS

T R

IC

T

1829'

1940'

DREDGING AREA

WORK LIMITS

OF LEVEE

APPROXIMATE CENTERLINE

SANGAMON RIVERFLOW

W E

K -1

-B -0

IDNR PROPERTY LINE

C1

C-301

A1 NO SCALE

WILDLIFE AREA

SANGANOIS STATE

A

N D

L

E V

E E R

E P

A

IR

S

M A

X

SEE NOTE 3

STAGING AREA

PLACE IN BOLTONIA MITIGATION BERM AREA

SAND BERM FOOTPRINT PRIOR TO WORK

REMOVE EXISTING GRAVEL UNDER NEW

NORTHING EASTING

ACESS ROAD COORDINATES

N 1240418.87

N 1240364.28

N 1240800.68

N 1240804.96

N 1239624.69

N 1239612.88

E 2245718.68

E 2245697.90

E 2244396.87

E 2244357.90

E 2244337.70

E 2244335.72

3 4

GENERAL SHEET NOTES

AREA AS NEEDED. REMOVE AFTER PROJECT IS COMPLETE.

3. PLACE UP TO 6" OF ILDOT CA-6 CRUSHED STONE IN STAGING

CONTRACTOR OPERATIONS.

2. FORESHORE TREES SHALL NOT BE DAMAGED BY

MATERIAL. MINIMIZE TRUCKING AS MUCH AS IS PRACTICABLE.

FROM BEARDSTOWN DMMP SITES 1 OR 5 OR FROM STRIPPED

CONTAINMENT BERM SHALL BE CONSTRUCTED WITH SAND1.

ACCESS ROAD

SIDECAST SAND AT 6:1 SLOPE TO CONSTRUCT TURTLE MITIGATION BERM

DO NOT DISTURB

EXISTING TREES

OPERATIONS AND REESTABLISH BERMS.

CIRCUMSTANCE. IF MATERIAL ESCAPES CONTAINMENT, STOP DREDGING

CONTRACTOR MAY NOT PUMP DIRECTLY INTO WETLANDS UNDER ANY

TO ALLOW FOR SETTLING AND POND AND PUMP OPERATIONS AS NEEDED.

AREA THAT WILL DIRECTLY RECEIVE HYDRAULICALLY DREDGED MATERIAL

DREDGING CONTAINMENT BERM SHALL BE CONSTRUCTED AROUND ANY

MATERIALS WITHIN SAND BERM FOOTPRINT

UTILIZED INITIALLY TO CONTAIN DREDGE

PLACEMENT COMMENCES. BERM MAY BE

15' FROM TOE OF SAND BERM BEFORE

HIGH, 10' WIDE BOLTONIA MITIGATION BERM

STOCKPILE ALL STRIPPED MATERIALS IN 3'

PLACE IN BOLTONIA MITIGATION BERM AREA

SAND BERM FOOTPRINT PRIOR TO WORK.

REMOVE EXISTING GRAVEL UNDER NEW

D R

E D

G

IN

G P

L A

N

DREDGING PLAN

/0

/0

IMPROVED SUBGRADE

ACCESS ROAD WITH

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WETLAND

EXISTING LEVEE

EXISTING GROUND

LANDSIDE

W O

R K L

IM

IT

S

EL. 438±

EXISTING

A S S

H O

EL. 444.4

LC K

N

M

A D

H

A J

G

H A

G E

R S

L O

U G

H S

P E

C

IA

L D

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A G

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SANGAMON RIVER

60'

8'0 16'SCALE : 1"=8'-0"A1

VARIES

4 MAX.

2 MIN.

M A

X

W E

K -1

-B -0

VEGETATION FREE ZONE

2.5

EL. 445.0

SEEPAGE BERM TYPICAL SECTION

C1 8'0 16'SCALE : 1"=8'-0"

DREDGING AREA TYPICAL SECTION

85'

4 MAX.

APPROX. EL. 426.5

T Y

P

IC

A L S

E C

T

IO

N S

DREDGING AREA

SANGAMON RIVER

APPROX. EL. 452.0

SEE NOTE 4

DREDGED MATERIAL CONTAINMENT BERM

CREATE TURTLE MITIGATION BERM

PLACE SAND AT 6:1 SLOPE TO

APPROX. EL. 432.0

EXISTING GROUND

CONSTRUCT SEEPAGE BERM ON LANDSIDE OF LEVEE

A

N D

L

E V

E E R

E P

A

IR

S

DO NOT DISTURB

EXISTING TREES

GENERAL SHEET NOTES

DO NOT DISTURB

EXISTING TREES

APPROX. EL. 438.0

TOP OF BANK

(BOLTONIA MITIGATION BERM)

STOCKPILE STRIPPED MATERIAL

116'

FROM LANDSIDE CROWN SHOULDER

VARY SLOPE TO MAINTAIN 116' OFFSET

DREDGED MATERIALS WITHIN SAND BERM FOOTPRINT.

5. STRIPPED MATERIALS MAY BE UTILIZED INITIALLY TO CONTAIN

STOP DREDGING OPERATIONS AND REESTABLISH BERMS.

CIRCUMSTANCE. IF DREDGED MATERIAL ESCAPES SAND BERM

DIRECTLY PUMPED INTO THE WETLAND AREA UNDER ANY

COMMENCING DREDGING OPERATIONS. SAND MAY NOT BE

4. CONSTRUCT DREDGED MATERIAL CONTAINMENT BERM

JULY 1ST AND FEBRUARY 14TH.

AND OCTOBER 31ST. HAULED SAND MAY BE PLACED BETWEEN

DREDGING WILL ONLY BE ALLOWED BETWEEN JULY 1ST

3. CONSTRUCT SEEPAGE BERM ON LANDSIDE OF LEVEE.

2. THERE IS NO WORK ON CROWN OR RIVERSIDE SLOPE OF LEVEE.

CLASSIFIED CLEAN SAND.

1. MATERIAL FOR SAND EMBANKMENT MATERIAL SHALL BE

50% ACE WATER EL. 440.5

50% ACE WATER EL. 440.5

/0

/0

APPROX. 12-18" OF STANDING WATER

-M

A R -2

A D

H

AND PLACE IN BOLTONIA MITIGATION BERM

SHOULDER TO VEGETATION FREE ZONE

STRIP UP TO 6" FROM LANDSIDE LEVEE CROWN

15'10'

A M

E N

D M

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LC K

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M

A D

H

A J

G

H A

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IS

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SANGAMON RIVER

60'

8'0 16'SCALE : 1"=8'-0"A1

VARIES

2 MIN.

W E

K -1

-B -0

VEGETATION FREE ZONE

2.5

EL. 445.0

RELIEF WELL SYSTEM EXTENSION

C1 8'0 16'SCALE : 1"=8'-0"

APPROX. EL. 452.0

A

N D

L

E V

E E R

E P

A

IR

S

GENERAL SHEET NOTES

DO NOT DISTURB

EXISTING TREES

116'

FROM LANDSIDE CROWN SHOULDER

VARY SLOPE TO MAINTAIN 116' OFFSET

50% ACE WATER EL. 440.5

/0

/0

T Y

P

IC

A L S

E C

T

IO

N A

N D D

E T

A

IL

R E

L

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F W

E L L

RISER DETAIL

REMOVE EXISTING RISER

INSTALL CORRUGATED PLASTIC PIPE TEEPLASTIC DRAIN PIPE WITH FABRIC SLEEVE

INSTALL 10" DIAMETER CORRUGATED PERFORATED

2. THE RISER SHALL BE PAINTED A HIGH VISIBILITY COLOR.

SYSTEM.

CORRUGATED PERFORATED PIPE IN THE EXISTING RELIEF WELL

1. THE CONTRACTOR SHALL CONFIRM THE SIZE OF THE EXISTING

PLASTIC DRAIN PIPE WITH FABRIC SLEEVE

INSTALL 10" DIAMETER CORRUGATED PERFORATED

.5 '1 .5

EL. 438±

EXISTING

INSTALL NEW RISER WITH REMOVABLE CAP

INSTALL NEW RISER WITH REMOVABLE CAP

WITH FABRIC SLEEVE

PERFORATED PLASTIC DRAIN PIPE

INSTALL 10" DIAMETER CORRUGATED

WITHOUT FABRIC SLEEVE

PERFORATED PLASTIC DRAIN PIPE

INSTALL 10" DIAMETER CORRUGATED

INSTALL CORRUGATED PLASTIC PIPE ELBOW

INSTALL CORRUGATED PLASTIC PIPE ELBOW

APPROX. 12-18" OF STANDING WATER

-M

A R -2

A D

H

15'10'

A M

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PL99_118G-002
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
PL99_118C-102.pdf
PL99_118C-102
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
PW_WORKDIR:d0325542
PL99_118_C_SP0001.dgn
PL99_118C-103.pdf
PL99_118C-103
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
PW_WORKDIR:d0325542
PL99_118_C_SP0001.dgn
PL99_118C-104.pdf
PL99_118C-104
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
PW_WORKDIR:d0325542
PL99_118_C_SP0001.dgn
PL99_118C-105.pdf
PL99_118C-105
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
C1, PW_WORKDIR:d0325542
PL99_118_C_SP0001.dgn
PL99_118C-301.pdf
PL99_118C-301
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
Ref-1, PL99_118C-301.dgn, TYPICAL SECTIONS
Ref, PL99_118C-301.dgn, TYPICAL SECTIONS
PL99_118C-302.pdf
PL99_118C-302
References
PW_WORKDIR:d0325538
G-BSDxxx.dgn
Ref-1, PL99_118C-302.dgn, TYPICAL SECTIONS
Ref, PL99_118C-302.dgn, TYPICAL SECTIONS

File details come from the government source that posted it. Updated .