AC113_M-P8P3S3_STPLN_C-111328.pdf

10’

120’ +/-ACCESS

655 655

635635

640640

64564

645645

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:

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2 3 4 5

A u t h o r it y

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N a m e

P lo t

D a t e

P lo t

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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

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0 50 100 150 200 250 280-50-100-150-200

E L

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FLOW

EXISTING ROCK

GROINS

EXISTING ROCK

GROIN

EXISTING ROCK

GROIN

APRROX. LOCATION

OF EXISTING WING DAM

NOTES:

EL. 610.6

EXISTING GROUND LINE

VARIES

PROVIDE 10’ TOP

WHEN TOP OF

EXCAVATION

IS AT EL. 645.0

OR BELOW

TYPICAL SECTION

PLAN

0 100’ 200’

01-86M

01-88M

01-87M

J B

M

APRROX. LOCATION

OF EXISTING WING DAM

EXCAVATION AREA

EXISTING DROP

STRUCTURE

G C

W J J F J S

H

G C

W

A B

O V

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V

IL

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C A

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ABOVE BROWNSVILLE APPROVED SAND BORROW AREA

EXCAVATION

ABOVE BROWNSVILE APPROVED SAND BORROW AREA

EXCAVATION

LOWEST CONTROLED POOL SURFACE

EL. 630.6

C

IV

IL

S

IT

E

C-113

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1. TOPOGRAPHY SHOWN ON THIS SHEET WAS DEVELOPED FROM

FIELD SURVEYS OBTAINED IN NOVEMBER 2008.

2. WORK LIMITS SHALL BE CONFINED TO AREAS CONTAINING

DREDGED MATERIAL.

3. VEGETATION ALONG THE PERMIMETER OF THE ISLAND

SHALL NOT BE DISTURBED.

4. EXCAVATION AREA DEPICTED IS THE AREA AVAILABLE.

5. DURING EXCAVATION, THE CONTRACTOR SHALL LEAVE THE

PERIMETER BERM AT A MINIMUM ELEVATION 645.0,

MINIMUM 10’ TOP WIDTH, 1V:3H SIDE SLOPES ABOVE

AVERAGE WATER SURFACE ELEVATION, AND 1V:2H SIDE

SLOPES BELOW AVERAGE WATER SURFACE ELEVATION.

HOWEVER, AT THE ACCESS, THE CONTRACTOR SHALL

MAINTAIN A BERM WITH MINIMUM 10’ TOP WIDTH AND

1V:3H SIDE SLOPES.

6. THE CONTRACTOR SHALL REMOVE MATERIAL FROM THE

NORTHERN HALF OF THE PLACEMENT SITE PRIOR TO

REMOVING MATERIAL FROM THE SOUTHERN HALF. MATERIAL

REMOVAL FROM THE SOUTHERN HALF MAY REQUIRE CONTRACTOR

REMOVAL OF THE GOVERNMENTS DROP STRUCTURE.

7. THE CONTRACTOR SHALL REMAIN AT LEAST 30’ FROM THE

EXISTING DROP STRUCTURE.