AC302_M-P8P3S3_SECT_C-330230.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 302

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45’ DISTANCE VARIES

EL. 630.4

45’

30’ ISLAND BERM

4’

EL. VARIES

6.5’

EL. 629.0

40’ (SEE NOTE 1) ISLAND BERM

DREDGING

BOTTOM WIDTH VARIES

50’ FROM NEW ISLANDS & EXISTING SHORELINE

MINIMUM

EXISTING GROUND

LINE (VARIES)

1V ON 4H

(BOTH SIDES)

SECTION

NOTES:

TURTLE MOUND

GRANULAR FILL

AVERAGE TURTLE MOUND

EL. 634.5, SEE NOTE 1

ISLAND OR SAND FLAT

DISTANCE VARIES

TYPICAL TURTLE MOUND

1. TURTLE MOUND MAY VARY BETWEEN EL. 634.0 AND EL.

635.0.

TOP OF ISLAND

BERM

V :4

H

V

ROCK GROIN

TOE OF ISLAND

BERM

TYPICAL ROCK GROIN

PLAN

MUD FLAT

EXISTING GROUND

LINE (VARIES)

GRANULAR FILL

1V ON 4H

(BOTH SIDES)

SAND FLAT

THRU SAND FLAT & MUD FLAT

RANDOM FILL

SECTION

ISLAND

NOTES:

1. THIS SECTION DENOTES FINISHED DIMENSIONS AND

ELEVATIONS. DIMENSIONS AND ELEVATIONS

NECESSARY DURING CONSTRUCTION TO MEET

SEDIMENT RETENTION NEEDS SHALL BE DETERMINED

BY THE CONTRACTOR.

2. MUDFLAT MAY VARY BETWEEN MAX. EL. 630.4 AND MIN.

EL. 629.9. MUDFLATS SHALL SLOPE TOWARD SAND BERMS

AND AWAY FROM ISLAND.

MAX. MUD FLAT

EL. 630.4, SEE NOTE 2

GRANULAR FILL

1V ON 4H

SAND FLAT

SECTION

EL. 630.4

TYPICAL SAND FLAT

EXISTING GROUND

LINE (VARIES)

ISLAND

1.5

EXISTING GROUND

LINE (VARIES)

1V ON 4H

1V ON 1.5H

(BOTH SIDES)

RIPRAP

EXISTING GROUND

LINE (VARIES)

NOTE:

ELEVATION

TYPICAL ROCK GROIN 2

SECTION

TYPICAL ROCK GROIN/VANE

GROIN EL TO MATCH EL OF BERM

TO WHICH IT’S ATTACHED.

EL. 630.5

EL. 632.0

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

E

A R

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

C

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

C

M S

L

A

D J

TOP OF ISLAND

BERM

V

PLAN

TYPICAL ROCK J-HOOK VANE

ROCK J-HOOK

VANE

FLOW

TOE OF

ISLAND

BERM

RADUIS VARIES,

SEE ISLAND

PLANS

1.5

EXISTING GROUND

LINE (VARIES)

1V ON 4H

TYPICAL ROCK VANE

PROFILE

RIPRAP

(2.0’ MIN.)

AT VANE CENTERLINE

EL. 632.0

1. DISTANCE VARIES FOR J-HOOK VANES.

NOTE:

TOP OF ISLAND

BERM

V

ROCK VANE

TOE OF ISLAND

BERM

TYPICAL ROCK VANE

PLAN

FLOW

SHORELINE

EXISTING GROUND

LINE (VARIES)

EL. VARIESSECTION

ISLAND, DIKE

OR ROCK

MOUND

ACCESS DREDGING

G C

W J J F J S

H

G C

W J

B M

C-302

M

IS

C E

L L

A N

E O

U S

IS

L A

A T

U R

E S

G R

O

IN

N E

Y

P

IC

L

C T

IO

N S

C

IV

IL

S

IT

E

A C

M P

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

ACCESS DREDGING SHALL BE MINIMIZED TO THE EXTENT POSSIBLE.

ACCESS DREDGING EXCAVATION SHALL BE TO A MAXIMUM DEPTH OF

EL. 624.3 AND A MAXIMUM BOTTOM WIDTH OF 80’. THE DREDGE CUT

SIDE SLOPES SHALL NOT BE STEPPED. MATERIAL REMOVED SHALL

BE PLACED ON THE ISLANDS IN AREAS DENOTED AS RANDOM FILL.

NOTE:

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