Amendment_0004-WCH-CLW-000.pdf

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US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

D A

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OREGON

WASHINGTON

53+25

53+25

53+25

Cleaveland 1, Fl G

Crims Island 6, Fl R

"5"

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FLOW GAGE

STAFF

LT 3, Fl G

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53+25

Fisher Island 9, Fl G

W alker Island 12, Q R

"10"

Fisher Island 4

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0.5

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Fisher Island

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Horizontal coordinates are based on the Lambert Projection for Oregon, North Zone (NAD 83, U.S. Survey Feet).

Committee, Pacific Northwest River Basin Commission,July 1972.

River mileage conforms to the River Mile Index of the Hydrology and Hydraulics

Reference is Navigation Chart No. 18524.

Vertical datum is Columbia River Datum. CRD is 3.93 feet above North American Vertical Datum of 1988 (NAVD 88 Geoid 09) at Columbia River Mile 82.2.

2012 Aerial Photography data source: USDA, Service Center Agencies.

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

Flow Arrows

Harbor Lines

State Boundary

Aids to Navigation

Lighthouses

Lights

Lighted Ranges

Lighted Buoys

Unlighted Buoys

Daybeacons

Seasonal Lights and Lighted Dredging Ranges

Benchmarks

Gages Staff Recording

Front Rear

Straight Tidal

River Mileage from Mouth 10

FLOOD

EBB

Port

Rear

Port

Fixed Occulting

Front

Starboard Mid Channel Junction

Starboard 43

Flashing, FLOW

Elevations are shown thus: +2, indicating height in feet above CRD.

Control is by USACE and NOS-C&GS.

Soundings are shown in feet and indicate depths below CRD.

The project depth curve is shown thus:

general condition existing at that time.

made on the dates indicated and can only be considered as indicating the

The information depicted on this map represents the results of surveys

NOTES

SCALE IN FEET

X COORDINATE X COORDINATE

0 500' 1000' 1500' 2000'

OF YOUR CONTRACT

SAFETY IS A PART

7543506.70

7549705.16

7551148.19

7550997.69 918861.49

919232.10

919818.06

925020.92

Y COORDINATE

A

B

C

K

D 7551261.05

Y COORDINATE

919510.06

500'

N

NORTHING: 926110 EASTING: 7543090

STAFF GAGE AT LIGHT 3:

E

F

G

H 7555010.95

7554449.39 918215.37

916866.32

Y 915,000

Y 920,000

X ,5

,0

X ,5

,0

Y 915,000

X ,5

,0

Y 925,000

Y 920,000

Y 930,000

X ,5

,0

X ,5

,0

Y 930,000

Y 925,000

X ,5

,0

X ,5

,0

X ,5

,0

RM 57+40+00

DREDGE AREA #1

DOWNSTREAM LIMIT OF

RM 59+30+00

DREDGE AREA #2

DOWNSTREAM LIMIT OF

DREDGE AREA #1

UPSTREAM LIMIT OF

61+00+00

DREDGE AREA #2

UPSTREAM LIMIT OF

A

B

D

J

E

F

G

H

I

L M

M

N

O

P

COORDINATES

DREDGE AREA #1

O-58.3-IW COORDINATES

PLACEMENT SITE

I 7552977.24 918111.62

M

N

O

P

7547100.40

7547518.29 920739.77

920241.91

X COORDINATE Y COORDINATE

40'

50'

20'

30'

LC

MAXIMUM PAYABLE DEPTH

REQUIRED CHANNEL DEPTH

REQUIRED TOE DEPTH

-46' CRD

-47' CRD

N.T.S.

STATION 58+05+00

46' CONTOUR

47' CONTOUR

C

-45' CRD

R M

T

O

S T

E L L

A -F

IS

H E

R B

A R W

A L

K E

R I S

L A

N D R

E A

C H

T M

H

E A

S

T S

G

K A

R L

A G E

L L

IS

A

WORK AREA

PRE / POST

CROSS SECTION A-A

7549510.87

7549484.21 919481.30

919465.24L

M

COORDINATES

DREDGE AREA #2

J 7551016.50 918907.81

7557701.81 915389.29

7557275.47 914898.64

N

7543249.54 924714.54N

K

175'

S A

M P

L E L

A Y

O U

T D

R A

W

IN

G

40'

50'

20'

30'

LC

MAXIMUM PAYABLE DEPTH

REQUIRED CHANNEL DEPTH

REQUIRED TOE DEPTH

75'

-45' CRD

-46' CRD

N.T.S.

STATION 60+30+00

-44' CRD

125'

WORK AREA

BIN MEASURE TO REQUIRED DEPTH (BMRD)

CROSS SECTION B-B

45' CONTOUR

46' CONTOUR

A

PLACEMENT SITE O-58.3-IW

H O

P P

E R D

R E

D G

IN

G

W E

S T C

O A

S T

W C

H -C

L W -0

.D

G N

WCH-CLW-000

SEE CONTRACT SECTION 01 22 00.00 82

FOR ACCEPTANCE REQUIREMENTS

SEE CONTRACT SECTION 01 22 00.00 82

FOR ACCEPTANCE REQUIREMENTS

N

555758

464647

585857

49 53

525249

464646

535348

47 53

49 48

46 51

51 44

56 45

45 47

49 52

52 54

56 49

53 49

555652

43 44

44 45

46 42

53 53

50 54

43 44

45 45

52 52

53 53

495252

7544043.54 922703.96

7544447.39 923185.09

05-NOV-2014

SURVEY DATE

DREDGE AREA #1

13-NOV-2014

SURVEY DATE

DREDGE AREA #2

AREA

TOE DEPTH

AREA

TOE DEPTH

B

B

AREA

TOE DEPTH

100'300'

300' 350'

CUT LINE

CUT LINE

EVENLY THROUGHOUT SITE

MAX DISPERSAL EACH LOAD, SPREAD LOADS

DREDGE AREAS

PLACEMENT AREA WITHIN 5 MILES OF ALL

MAX QTY: 150,000 CY

DWG 4 OF 7

S O

L

IC

IT

A T

IO

N N

O

THAN -30 CRD

WILL BE NO SHALLOWER

DISPOSAL SITE DEPTHS

-M

A R -1

W A S H I N G T O N

WORK AREA

BIN MEASURE TO REQUIRED DEPTH

EXAMPLE OF A 30,000 - 75,000 CY

WORK AREA

BIN MEASURE TO REQUIRED DEPTH

EXAMPLE OF AN OVER 75,000 CY

A

D D

E D N

O T

E S T

O D

R E

D G

E A

R E

A S

A

N D