W912P6-15-B-0010_Amend0004_Plans.pdf

PI

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M C -9

M C -1

M C -1

M C -1

M C -1

J A -8

JA

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JA-10+00

JA

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JA-12+00

JA-12+36

JA-12+36

B W

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B W

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B W

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IDENTIFICATION

SHEET

®of Engineers

US Army Corps of Engineers

US Army Corps

Chicago District

SHEET OF

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P -1

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CS102

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40'10'0 20'

MATCH LINE TO SHEET CS102

WORK LIMITS

F T S

H E

R

ID

A N R

A V

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E A

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O A

S T

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N

EXISTING INV. IN=583.9

MC16

MC12

MC17

MC13

CT1

CT2

TO BE REMOVED

EXISTING 30" CIP

SLAB

REMOVE CONCRETE

LAKE MICHIGAN

(SEE NOTE 3)

CONCRETE WALL

REMOVE EXISTING

DEMOLISH AND

OF STEP STONES

PROPOSED LOCATION

JA-34

JA-33

JA-32

JA-31

JA-30

JA-28

JA-27

JA-26

JA-25

JANES RAVINE CL

CHANNEL

STONES AND

RUFFLE STEP

PROPOSED

FS22

G

T

MC13

MC14

MC15

JA-35

JA-29

JA-24

JA-23

JA-C7

JA-C6

JA-C5

JA-C4

JA-C3

MC-C3

MC10

MC-C2

MC11

JANES RAVINE CL

JA-18

JA-19

JA-C1

JA-20

JA-C2

JA-22

JA-21

B

CS30

B

CS30

FLAG STONE WALL

TOP OF PROPOSED

C C

S

C C

S

A

C S

A

C S

MC14

A

CS307

A

CS307

B C S

B C S

C

C S

C

C S

POOLS

STEP STONES

PROPOSED

OR REMOVED

BE CRUSHED IN-PLACE

EXISTING CLAY PIPES TO

P E

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E S , A

N D C

R U S

H E

D C

L A

Y P

IP

O

E O

F B

L U F F S

E G

M E

N T T

O P

L A C E C

O N

C R E

PROPOSED CHANNEL

CHANNEL ENDS AT STA. 12+03

STEP STONE POOLS AND

PROPOSED JANES RAVINE

CHANNEL ENDS AT STA. 8+55

STEP STONE POOLS AND

PROPOSED MCCORMICK RAVINE

BWN-3

BWN-2

BWN-1

BWN-C2

BWN-C1

PBR-2

PBR-1

PROPOSED FLAG STONE WALL

PROPOSED FLAG STONE WALL

PROPOSED FLAG STONE WALL

PROPOSED 3' WIDE FOOTPATH BRIDGE (SEE NOTE #10)

FLAGSTONES

OF PROPOSED

BRIDGE TO TOP

TIE PROPOSED

RAVINE CL

MCCORMICK

TRANSITION TO EXISTING PATH

PROPOSED 3' BOARDWALK

NOTE #1)

EXISTING 30"(SEE

BLUFF

PLACED AT TOE OF

BE REMOVED AND

CONCRETE LINER TO

CLAY PIPE WITH

PROPOSED FLAG STONE TOP AND ACCESS PATH

8+96.4

AND CHANNEL BEGIN AT STA

PROPOSED STEP STONE POOLS

TO BE REMOVED (OPTION)

EXISTING WOODED POSTS

APPROXIMATE LOCATION OF

FILL

PROPOSED DUNE WITH

BOARDWALK ARE PROVIDED ON SHEET CG001.

LOCATIONS SHOWN. THE HORIZONTAL AND VERTICAL ALIGNMENTS OF

DESIGN AND IMPLEMENTATION PLAN TO PLACE A BOARDWALK AT THE

PERFORMANCE SPEC, THE CONTRACTOR MUST SUBMIT FOR APPROVAL A

9. IN ACCORDANCE WITH SECTION 06 73 13.03, COMPOSITE DECKING

SHEET CS310 FOR THE TYPICAL SECTION OF THE DUNE COVER.

WASHED-INTO THE VOIDS TO AVOID ADVERSED SETTLEMENTS. REFER TO

THE CONCRETE/CLAY FILL ARE SUFFICIENTLY FILLED WITH SAND AND

PLANTING. THE CONTRACTOR MUST ENSURE THAT THE VOIDS BETWEEN

8. 6” OF SAND MUST BE PLACED OVER THE CONCRETE/CLAY FILL FOR DUNE

EXCESS MATERIAL FILL, AS DESIGNATED.

SQUARE-INCHES), AND PLACED AT THE TOE OF THE BLUFF AND OVER

RAVINE MUST BE REMOVED, CRUSHED (NO LARGER THAN 3

7. CLAY PIPES/BARRELS FOUND ALONG THE TOE AND BANKS OF MCCORMICK

PIPES.

SOIL MUST BE PLACED OVER THE CRUSHED PIPES TO BURY THE CRUSHED

WIDTH OF THE RAVINE BOTTOM. A MINIMUM OF 12 INCHES OF EXCAVATED

ENDS AND ABANDONED IN-PLACE. SPREAD THE CRUSH PIPES OVER THE

SQUARE-INCHES. THE CLAY PIPES BURIED MUST BE PLUGGED AT BOTH

RAVINE MUST BE CRUSHED IN-PLACE TO GRAVEL SIZE NO LARGER THAN 3

6. THE EXISTING CLAY PIPES EXPOSED, APPROXIMATELY 600 LF, ALONG THE

VERTICAL ALIGNMENTS ARE PROVIDED ON SHEET CG001.

CROSS-SECTIONS, AND SHEETS CS508 FOR DETAILS. THE HORIZONTAL AND

SHOWN. REFER TO SHEET CS203 FOR PROFILES, SHEETS CS306-CS309 FOR

5. PLACE THE PROPOSED STEP STONES AND CHANNEL AT THE LOCATIONS

AT THE AREA DESIGNATED.

PLACED AT THE TOE OF THE BLUFF AND OVER THE EXCESS MATERIAL FILL,

UNDER THE PROPOSED STRUCTURE MUST BE REMOVED, CRUSHED, AND

STEP STONES AND CHANNEL THAT CANNOT BE CRUSHED AND BURIED

GRADES SHOWN. EXISTING CLAY PIPES ALONG THE PROPOSED RIFFLE

4. COMPLETE GRADING OF THE RAVINES CONFLUENCE TO THE LINES AND

WHERE THE PROPOSED STEP STONES AND CHANNELS ARE TO BE PLACED.

3. CLEAR AND GRUB AREAS TO BE GRADED. ALSO CLEAR AND GRUB AREAS

DUNE PLANTING.

INCHES OF SAND MUST BE PLACED OVER THE CONCRETE PIECES FOR

SURFACE PRIOR TO PLACEMENT ALONG THE BLUFF TOE. A MINIMUM OF SIX

FROM THE CONCRETE PIECES MUST BE CUT FLUSH WITH THE CONCRETE

STONES FOR THE LARGE CONCRETE PIECES. STEEL REBARS PROTRUDING

SMALLER CONCRETE PIECES (LESS THAN 12”) CAN BE USED AS BEDDING

AT THE TOE OF THE BLUFF AND OVER THE EXCESS MATERIAL FILL.

CONCRETE PIECES (12” – 24” SLABS) FROM DEMOLITION MUST BE PLACED

2. DEMOLISH AND REMOVE EXISTING CONCRETE FEATURES AS SHOWN. LARGE

THE BLUFF WITHIN THE LIMITS OF THE PROPOSED DUNE WITH FILL SHOWN.

1. EXCESS MATERIAL FROM RAVINE GRADING MUST BE PLACED AT THE TOE OF

NOTES:

SLOPES.

APPROVAL FOR THE FLAGSTONE WALLS TIE-IN TO EXISTING RAVINE

THE ENDS OF THE WALL. THE CONTRACTOR MUST SUBMIT DETAILS FOR

13. THE FLAGSTONE WALLS MUST TIE-IN TO THE EXISTING RAVINE SLOPES AT

OF LAKE MICHIGAN.

PROTECTION FOR ILLINOIS. THE POSTS MAY BE CUT FLUSHED WITH THE BOTTOM

SHOWN IN ACCORDANCE WITH SECTION 01 57 20.01 ENVIRONMENTAL

REMOVE AND DISPOSE OF WOODED POSTS AT THE APPROXIMATE LOCATION 12.

FLUSHED WITH THE EXISTING BANK GRADE.

11. THE EXISTING 30” CIPs (2) PROTRUDING INTO THE CHANNEL MUST BE CUT

PROVIDED ON SHEET CG001.

HORIZONTAL AND VERTICAL ALIGNMENTS OF PROPOSED BRIDGE ARE

SECTION 06 73 13.03, COMPOSITE DECKING PERFORMANCE SPEC. THE

THE INSTALLATION OF THE NEW BRIDGE IN ACCORDANCE WITH SECTION

CONTRACTOR MUST PROVIDE A DESIGN AND IMPLEMENTATION PLAN FOR

MUST BE REPLACED WITH A NEW BRIDGE AT THE LOCATION SHOWN. THE

20.01 ENVIRONMENTAL PROTECTION FOR ILLINOIS. THE EXISTING BRIDGE

REMOVED AND DISPOSED OFFSITE IN ACCORDANCE WITH SECTION 01 57

10. THE EXISTING PEDESTRIAN BRIDGE OVER MCCORMICK RAVINE MUST BE

N

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IDENTIFICATION

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®of Engineers

US Army Corps of Engineers

US Army Corps

Chicago District

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M A

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IN

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H E

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S

WORK LIMITS

LAKE MICHIGAN

M A

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H L

IN

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F T S

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N /1

EXISTING GROIN

TO BE CONSTRUCTED BY OTHERS

PROPOSED STONE AND TIMBER REEFS

EXISTING GROIN

#4)

(SEE NOTE

METAL POST

EXISTING

A G

T

CONSTRUCTED BY OTHERS

REVETMENT TO BE

PROPOSED STONE AND TIMBER

PROPOSED DUNE (OPTION)

EXISTING METAL PIER REMNANTS TO BE REMOVED (SEE NOTE #3)

BREM

PROPOSED

N

O T

E S A

D D

E D

/1

/1

MICHIGAN OR TOP OF EXISTING GROIN WHERE THE POSTS ARE CONNECTED TO THE GROIN.

ENVIRONMENTAL PROTECTION FOR ILLINOIS. THE POSTS MAY BE CUT FLUSHED WITH THE BOTTOM OF LAKE

4. REMOVE AND DISPOSE OF THE EXISTING METAL POST SHOWN IN ACCORDANCE WITH SECTION 01 57 20.01

MICHIGAN.

20.01 ENVIRONMENTAL PROTECTION FOR ILLINOIS. POSTS MAY BE CUT FLUSHED WITH THE BOTTOM OF LAKE

3. REMOVE AND DISPOSE OF REMNANTS OF EXISTING METAL PIER SHOWN IN ACCORDANCE WITH SECTION 01 57

CONSTRUCTION.

CONSTRUCTED BY OTHERS. CONTRACTOR MUST COORDINATE WITH OTHER CONTRACTORS DURING

2. STONE AND TIMBER REEFS AND STONE AND TIMBER REVETMENTS ALONG THE EXISTING GROINS WILL BE

COVER.

SAND TO AVOID ADVERSED SETTLEMENTS. REFER TO SHEET CS310 FOR THE TYPICAL SECTION OF THE DUNE

ENSURE THAT THE VOIDS BETWEEN THE STONES ARE SUFFICIENTLY FILLED AND WASHED INTO THE VOIDS WITH

1. 6”OF SAND MUST BE PLACED OVER THE EXISTING STONES FOR DUNE PLANTING. THE CONTRACTOR MUST

NOTES:

590590

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IDENTIFICATION

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®of Engineers

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US Army Corps

Chicago District

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EXISTING METAL POST (SEE NOTE #4)

A G

T

(AECOM)

SB-02

(AECOM)

SB-03

CONSTRUCTED BY OTHERS

REVETMENT TO BE

PROPOSED STONE AND TIMBER

PROPOSED DUNE (OPTION)

PROPOSED BERM (OPTION)

EXISTING SSP GROIN #4

WORK LIMITS

APPROXIMATE LOCATION OF EXISTING STONE REVETMENT (SEE NOTE #5)

5. DISPLACED STONES IN THE LAKE MUST BE PULLED BACK TO THE EXISTING STONE REVETMENT.

MAY BE CUT FLUSHED WITH THE BOTTOM OF LAKE MICHIGAN OR TOP OF EXISTING GROIN WHERE THE POSTS ARE CONNECTED TO THE GROIN.

4. REMOVE AND DISPOSE OF THE EXISTING METAL POST SHOWN IN ACCORDANCE WITH SECTION 01 57 20.01 ENVIRONMENTAL PROTECTION FOR ILLINOIS. THE POSTS

SECTION OF THE BERM.

3. EXCESS EXCAVATED MATERIAL FROM GRADING ACTIVITIES MUST ALSO BE PLACED TO FORM A DUNE BERM AS SHOWN. REFER TO SHEET CS310 FOR THE TYPICAL

COORDINATE WITH OTHER CONTRACTORS DURING CONSTRUCTION.

2. STONE AND TIMBER REEFS AND STONE AND TIMBER REVETMENTS ALONG THE EXISTING GROINS WILL BE CONSTRUCTED BY OTHERS. CONTRACTOR MUST

COVER.

SUFFICIENTLY FILLED AND WASHED INTO THE VOIDS WITH SAND TO AVOID ADVERSED SETTLEMENTS. REFER TO SHEET CS310 FOR THE TYPICAL SECTION OF THE DUNE

1. 6”OF SAND MUST BE PLACED OVER THE EXISTING STONES FOR DUNE PLANTING. THE CONTRACTOR MUST ENSURE THAT THE VOIDS BETWEEN THE STONES ARE

NOTES:

N

O T

E A

D D

E D

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580 590

SC-2+00

SC-3+00

SC-3+04SC-3+04

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Chicago District

SHEET OF

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EXISTING METAL POST (SEE NOTE #3)

A G

T

CONSTRUCTED BY OTHERS

REVETMENT TO BE

PROPOSED STONE AND TIMBER

PROPOSED DUNE (OPTION)

EXISTING SSP GROIN #5

WORK LIMITS

REVETMENT LOGS

FOR REEFS AND

STOCK PILE LOCATION

STOCKPILED AT THE LOCATION DESIGNATED.

ACTIVITIES AS DESCRIBED IN SECTION 35 31 19.50, RAVINE STREAM RESTORATION. THE TREES MUST BE

4. LOGS FOR THE REEFS AND REVETMENTS ARE THOSE THAT ARE REMOVED FROM THE TREE CLEARING

MICHIGAN OR TOP OF EXISTING GROIN WHERE THE POSTS ARE CONNECTED TO THE GROIN.

ENVIRONMENTAL PROTECTION FOR ILLINOIS. THE POSTS MAY BE CUT FLUSHED WITH THE BOTTOM OF LAKE

3. REMOVE AND DISPOSE OF THE EXISTING METAL POST SHOWN IN ACCORDANCE WITH SECTION 01 57 20.01

CONSTRUCTION.

CONSTRUCTED BY OTHERS. CONTRACTOR MUST COORDINATE WITH OTHER CONTRACTORS DURING

2. STONE AND TIMBER REEFS AND STONE AND TIMBER REVETMENTS ALONG THE EXISTING GROINS WILL BE

COVER.

SAND TO AVOID ADVERSED SETTLEMENTS. REFER TO SHEET CS310 FOR THE TYPICAL SECTION OF THE DUNE

ENSURE THAT THE VOIDS BETWEEN THE STONES ARE SUFFICIENTLY FILLED AND WASHED INTO THE VOIDS WITH

1. 6”OF SAND MUST BE PLACED OVER THE EXISTING STONES FOR DUNE PLANTING. THE CONTRACTOR MUST

NOTES:

N

O T

E A

D D

E D

/1

FLOW

SCOUR DEPTH

STEP POOL STEP POOL

WEIR HEIGHT

STEP STONES POOL SYSTEM

N.T.S

PLAN VIEW

A

CS507

STEP STONE RIFFLES DETAILS

N.T.S.

TYP. CROSS SECTION

A

CS507

L1

L3

L2

POOL LENGTH (L2)

H

L1 L3

D

CHANNEL

EXISTING OR PROPOSED

TRANSITION

CHANNEL TO STEP STONE

5' - 6'

D

W

V A

R

IE

S

W

V A

R

IE

S

0.1W-0.3W 0.1W-0.3W

1.5'1'2'6.9'10.4'3.5'STA. 12+50.5 - STA. 15+04

1'1'1.3'4.67'7'2.33'STA. 11+90.2 - STA. 12+04.2

1'0.9'1.2'4.3'6.5'2.2'STA. 10+84.8 - STA. 11+10.8

1'1'1.4'4.9'7.3'2.4'STA. 6+86 - STA. 7+00.5

1'1'1.3'6.1'9.1'3'STA. 6+43.4 - STA. 6+71

DHSL3L2L1STEP STONE SECTION

/2

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IDENTIFICATION

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®of Engineers

US Army Corps of Engineers

US Army Corps

Chicago District

SHEET OF

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CS507

U .S

A R

M Y C

O R

P S O

F E

N G

IN

E E

R S

C H

IC

A G

O

IL

C H

IC

A G

O D

IS

T R

J O

H N A

G R

O B

O S

K I, P .E

N .T .S

A N

S I

D

W P -1

-B -0

G

G

N

IY

A T F L E

F F

L E

R P .E

A

A

U G

U S

T

F T S

H E

R

ID

A N R

A V

IN

E A

N D C

O A

S T

A L R

E S

T O

R A

T

IO

N

S E

C T

IO

N

C

H E

N C

K R

A V

IN

E S

T E

P S

T O

N

D

T A

IL

S

S

T A

T

IO

N

IN

G R

E V

IS

IO

N S

S T

E P S

T O

N E S

E C

T

IO

N

/1

DEPTH (S)

SCOUR

(H)

WEIR HEIGHT

SLOPE VARIES

CHANNEL

PROPOSED

EXISTING OR

STONE

6" CA-7 BEDDING

NOTE #3)

TYP. (SEE

D100 STONES

SLOPE VARIES

CHANNEL

PROPOSED

EXISTING OR

(SEE NOTE #2)

KEY STONE D100

KEY-IN A D100 STONE TO THE CHANNEL BANKS.

5. AT THE LAST STEP STONE (DOWNSTREAM) OF EACH STEP STONE SERIES,

CROSS-SECTIONS AND TYPICAL SECTIONS RESPECTIVELY.

4. REFER TO SHEETS CS303-CS305 FOR STEP STONE POOLS AND CHANNEL

3. AT THE STEP STONE WEIRS, KEY-IN A D100 STONE TO THE CHANNEL BANKS.

ACROSS THE WIDTH OF THE CHANNEL.

2. AT THE LAST STEP STONE (DOWNSTREAM), KEY-IN A LAYER OF D100 STONE

STONE SIZES OF THE STEP STONE POOLS.

1. REFER TO SECTION 35 31 19.50, RAVINE STREAM RESTORATION, FOR THE

NOTES:

NOTE #5)

TYP. (SEE

D100 STONES

STONES

D15-D50