AC301_M-P8P3S3_SECT_C-330129.pdf

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Pool 8 Islands Phase 3 Stage 3A, Habitat Rehabilitation and Enhancement Project (HREP)
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W912ES-08-B-0004
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Amended Drawing AC 301

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Text version

4’

25’ 25’

F

A B C D E

A/2 E/2

EL. 630.5 +/-

5’

EL. 632.5

F

A E

B D

50’

40’

50’ 4’

8’

TYP

40’

40’

1V ON 1.5H

(BOTH SIDES) FLOW

SECTION

EXISTING GROUND

LINE (VARIES)

CONTROL

LINE

NOTE:

EL. 633.0

EL. VARIES

(SEE NOTE 1)

GRANULAR FILL

MATERIAL

1. TOP OF RIPRAP EL. 632.0 AT

MIDPOINT AND EL. 631.0 AT ENDS. SEED ISLAND C2A

GRANULAR FILL

MATERIAL

ROCK MOUND

EXISTING GROUND

LINE (VARIES)

TOP EL.

SECTION

TYPE A ISLAND

BERM

EL. 632.0

BERM

EL. 632.0

FINE MATERIAL CONTROL LINE

EXPOSED SIDE SHELTERED SIDE

GRANULAR

FILL MATERIAL

NOTES:

6" RANDOM FILL MATERIAL

OR GRANULAR FILL MATERIAL

(SEE NOTE 2)

1. GROINS/VANES NOT SHOWN FOR CLARITY.

2. RANDOM FILL MATERIAL FROM ACCESS DREDGING SHALL BE PLACED IN

A 6" THICK LAYER BELOW THE FINE MATERIAL. IF ACCESS DREDGING

IS NOT REQUIRED, THIS AREA SHALL BE GRANULAR FILL MATERIAL.

CONTROL LINE

GEOGRID

2 LOGS, SEE NOTE 1

1.5

1.5

.0

C O

V E

R

EXISTING GROUND

LINE (VARIES)

SECTION

ROCK/LOG-ISLAND/SILL

ROCK MOUND

ROCK,

SEE NOTE 1

A B C D E

TOP

EL.

FISLAND NAME TYPE

FINE MAT’L

DEPTH

ISLAND DIMENSIONS (IN FEET UNLESS OTHERWISE NOTED)

ISLAND C2A

STA. 0+00

STA. 0+90 TO 1+10

STA. 2+00

ISLAND C2B

STA. 0+00 TO 2+20

ISLAND C2C

STA. 0+00 TO 1+60

ISLAND C2

STA. 0+00 TO 22+60

STA. 25+60

STA. 26+30 TO 30+70

STA. 31+40

STA. 34+40 TO 38+00

ISLAND C3

STA. 0+00 TO 15+00

ISLAND C4

STA. 0+00 TO 7+00

STA.7+00 TO 14+00

STA.14+50 TO 29+00

ISLAND C5

STA.0+00 TO 12+00

ISLAND N2

STA 0+00 TO 8+67.28

ISLAND N2

STA 11+67.28

SEED ISLAND

SEED ISLAND

SEED ISLAND

SEED ISLAND

ROCK/LOG ISLAND

B

B-1

ROCK/LOG SILL

B-1

B

B

A

A

B

B

A

C

52.5

42.5

12.5

12.5

52.5

42.5

NA

NA

NA

NA

NA

12.5

12.5

52.5

632.5

632.5

634.5

634.5

631.3

9"

9"

18"

12"

9"

9"

12"

12"

EXISTING GROUND

LINE (VARIES)

GRANULAR

FILL MATERIAL

CONTROL LINE

SECTION

TOP EL. TOP EL.

FINE MATERIAL

EXPOSED SIDE SHELTERED SIDE

6" RANDOM FILL MATERIAL

OR GRANULAR FILL MATERIAL

(SEE NOTE 2)

NOTES:

TYPE B ISLAND

1. GROINS/VANES NOT SHOWN FOR CLARITY.

2. RANDOM FILL MATERIAL FROM ACCESS DREDGING SHALL BE PLACED IN

A 6" THICK LAYER BELOW THE FINE MATERIAL. IF ACCESS DREDGING

IS NOT REQUIRED, THIS AREA SHALL BE GRANULAR FILL MATERIAL.

NOTE:

EXISTING GROUND

LINE (VARIES)

GROINS/VANES NOT SHOWN FOR CLARITY.

GRANULAR

FILL MATERIAL

SECTION

TYPE B-1 ISLAND

(SECTION AT END OF ISLAND)

TOP EL.TYPE B ISLAND

AT END OF

TRANSITION

24" RIPRAP (TYP)

FINE MATERIAL

CONTROL LINE

EXPOSED SIDE SHELTERED SIDE

FINE

MATERIAL

EXISTING GROUND LINE

TOP EL.

SHELTERED SIDE EXPOSED SIDE

GRANULAR FILL MATERIAL

SECTION

CONTROL LINE

NOTES:

24" RIPRAP (TYP)

1. GROINS/VANES NOT SHOWN FOR CLARITY.

TYPE C ISLAND

(SECTION AT END OF ISLAND)

1V ON 1.5H

(BOTH SIDES)

SECTION

EL. 632.0

EL. 634.0

GRANULAR FILL

MATERIAL

CONTROL

LINE

EXISTING GROUND

LINE (VARIES)

1V:2H

SEED ISLAND C2B

FLOW

ROCK MOUNDAVERAGE EXISTING GROUND

AT EL. 628.4

TYPICAL LOG

EL. 630.5 +/-

ELEVATION

LEAVE AS MANY LIMBS AS

POSSIBLE ON THE LOGS.

EXPOSE AS MANY LIMBS AS

POSSIBLE ABOVE AVG. POOL

ELEVATION. ROCK/LOG-ISLAND/SILL

ROCK MOUND

1V:1.5H

PARALLEL LOGS ANCHORED

IN PLACE BY ROCK

PARALLEL LOGS ANCHORED

IN PLACE BY ROCK

PLAN VIEW

ROCK/LOG-ISLAND/SILL

ROCK MOUND

D w n b y

D e s ig n e d b y

D a t e

R e v

C k d b y

US Army Corps of Engineers

St. Paul District

Sheet reference number:

A

B

C

D

2 3 4 5

A u t h o r it y

F il e

N a m e

P lo t

D a t e

P lo t

S c a le

D r a w in g u m b e r

S o li c it a t io n o

S y m b o l

D e s c r ip t io n A p p r

D a t e

H o r iz o n t a l C o o r d in a t e

S y s t e m

V e r t ic a l C o o r d in a t e

S y s t e m

Sheet of

D E

P A

R T

M E

T

O F

H

M Y

S T

P A

U L

M

IN

N E

S O

T A

C O

R P

S

G

IN

E E

R S

S T

P A

U L

D

IS

T R

IC

T X

X

U

M

Z

N E

N

R V

Y

C O

N S

T R

U C

T

IO

A W

IN

G

M

IS

S

IS

S

IP

P I R

IV

E R

P

O O

L

H O

U S

T

U N

T Y

M N

E N

V

M G

M T

P R

O G

P O

O L

IS

L A

N

P

A S

A G

E

A

W

E S

B

D

M S

L

A

D J

NOTE:

G C

W J J F J S

H

G C

W J

B M

C-301

IS

L

A N

D S

T Y

P

IC

L

C T

IO

N S

1. LOGS SHALL BE 40’ LONG AND 14" MIN. DIAMETER AT BASE.

TRIM LIMBS AS NECESSARY TO ALLOW LOG PLACEMENT TO

THE CORRECT ELEVATION. ROCK SHALL BE USED TO BRING

LOGS TO THE DESIGN ELEVATION.

C

IV

IL

S

IT

E

A C

M P

P

S

S E

C T

C

.D

G N

D R

A W

IN

G

IS

S U

W

IT

M

E N

D M

E

G C

W

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