B.08SolicitationWestCoastHopper2019Plans.PDF

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FILE

NUMBERNUMBER

DESCRIPTION

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OREGON

LOCATIONS

PROJECT

PORTLAND

NEVADA

CALIFORNIA

WASHINGTON

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P O

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O R

E G

O N

SAFETY IS A PART

OF YOUR CONTRACT

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21 3 4 5

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US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

NAME

FILE

DRAWING

IDAHO

N

HUMBOLDT BAY

W E

S T C

O A

S T H

O P

P E

R

WCH-MCR-000

WCH-HUO-000

WCH-LCR1-000

WCH-HUM-000

D A

T E

P L

O T

WCH-IND-000

WCH-LCR-DISP2-000

M A

IN

T E

N A

N C

E D

R E

D G

IN

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W

N

B

COLUMBIA RIVER

MOUTH OF

RIVER (RM 3 - 105)

COLUMBIA

WCH-IND-000 INDEX SHEET AND VICINITY MAP

-N

O V -1

W C

H -I

N D -0

.D

W G

WCH-LCR2-000

SAMPLE PLACEMENT SITE LAYOUT DRAWING

COLUMBIA RIVER

MAINTENANCE DREDGING 2019

WEST COAST HOPPER

DWG 1 OF 8

E N

M

WCH-LCR-DISP1-000

SAMPLE PLACEMENT SITE LAYOUT DRAWING

COLUMBIA RIVER

S O

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IT

A T

IO

N N

O

PLANNING LAYOUT DRAWING

HUMBOLDT BAY

PLANNING LAYOUT DRAWING

HOODS PLACEMENT SITE

SAMPLE LAYOUT DRAWING (BIN MEASURE TO REQUIRED DEPTH)

COLUMBIA RIVER

SAMPLE LAYOUT DRAWING (PRE - POST)

COLUMBIA RIVER

PLANNING LAYOUT DRAWING

MOUTH OF THE COLUMBIA RIVER (MCR)

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A

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D

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21 3 4 5

FILE

NAME

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Y

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K E

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Y

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P L

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D A

T E

A P

P R

M A

R K

M A

R K

SCALE IN FEET

N

D A

T E

A P

P R

OF YOUR CONTRACT

SAFETY IS A PART

400' 400' 800' 1200' 1600'

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

T M

H

E A

S

E N

M

The project depth curve is shown thus:

The information depicted on this map represents the results of surveys general condition existing at that time.

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

Control is by USACE and NOS-C&GS.

NOTES

(NAD 83, U.S. Survey Feet).

Aerial Photography taken by ESRI, I-CUBED & USDA 2012.

Soundings are shown in feet and indicate depths below MLLW.

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

Reference is Navigation Chart No. 18649.

FLOOD

EBB

FLOW

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

Flow Arrows Straight

Front

Harbor Lines

State Boundary

Benchmarks

Gages Staff Recording

Rear

Tidal

LEGEND

Aids to Navigation

Lighthouses

Lights Fixed Flashing, Occulting

Lighted Ranges Front Rear

Lighted Buoys

Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons

Seasonal Lights and Lighted Dredging Ranges

Port Starboard

Datum is Mean Lower Low Water (MLLW)of the locality. NAVD 88.

WCH-HUM-000

H U

M B

O L

D T B

A Y

Lighted Bell Buoy 8

Entrance Range Front Light

Lig ht ed B ell B uo y 5

Lighted Bell Buoy 2

Entrance Light 4

Entrance Light 3

Buo y 7

Ligh ted B ell

Entrance Light 11

Lighted Buoy 10

Entrance Light 6

B

C

D

E

F G

H

I

L

X ,9

,0

Y 2,175,000

X ,9

,0

X ,9

,0

Y 2,170,000

Y 2,165,000

X ,9

,0

Y 2,165,000

X ,9

,0

X ,9

,0

Y 2,170,000

Y 2,175,000

Buoy 9

Lighted

TIDE GAGE

HUMBOLDT COAST GUARD

SEE DRAWING WCH-HUO-000

NOT TO SCALE

HOODS PLACEMENT SITE

J

Horizontal coordinates are based on the Lambert Projection for California Zone 1H

J

K

L

A

M

I

Y= 2170491.43 X= 5947655.31

USCG FUEL DOCK:

TIDE GAGE COORDINATES

SEE ATTACHMENT FOR DETAILS

NO MATERIAL SHALL BE PLACED IN AVOIDANCE ZONES

K A

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A G E

L L

IS

X COORDINATE Y COORDINATE

A

B

C

D

E

F

G

+0

+0

+0

+0

+0

5936596.69 2173163.63

5940404.08 2171258.93

5943666.08

5944727.48 2166468.93

5945752.38 2166911.73

5946464.09 2167631.33

2166944.43

5945354.18 2165254.61

5943441.38 2166261.63

5940126.18 2170287.93

5945672.88 2165192.43

5946881.44 2167335.06

5946474.14 2167648.76

A

A

135+00

OF DREDGE AREA

UPSTREAM LIMIT

S T

A

T

O

DATE LOST FEB 2016

Y: 2170568.45

X: 5939256.08

OF LOST SINKER

APPROX. LOCATION

DATE LOST 2010

Y: 2170568.45

X: 5938573.94

OF LOST SINKER

APPROX. LOCATION

DATE LOST FEB 2011 AND 2014

2166893.65Y: 2166904.49

5945760.93X: 5945752.58

OF TWO LOST SINKERS

APPROX. LOCATION

DATE LOST AUG 2009

Y: 2167280.63

X: 5943639.30

OF LOST SINKER

APPROX. LOCATION

DATE LOST 2010

Y: 2170244.03

X: 5938727.38

OF LOST SINKER

APPROX. LOCATION

K

M 5935950.29 2171151.43

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B

M A

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W E

S T C

O A

S T H

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P E

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N

W C

H -H

U M -0

.D

W G

0+00

OF DREDGE AREA

DOWNSTREAM LIMIT

AVOIDANCE ZONES

-N

O V -1

41' CONTOUR

43' CONTOUR

HUMBOLDT BAY

DREDGE AREA COORDINATES

A

B

C

D

E

F2

B

C

D

E

F3

F4

F5

E

E

L

F

G

H

I

J

KM

N

E

E

CL

368' 378'

N.T.S.

MAXIMUM PAY OVERDEPTH

REQUIRED TOE DEPTH

REQUIRED DREDGING DEPTH /

BIN MEASURE TO REQUIRED DEPTH

-41 FT MLLW

-43 FT MLLW

S O

L

IC

IT

A T

IO

N N

O

45 43

43 49

56 46

49 47 44

48 49

50 45

38 45

40 47

45 42

STATION: 60+00

CROSS SECTION A - A

17/18-JUNE-2018

SURVEY DATE

BASED ON PRE DREDGE SURVEY

ACTUAL DEPTHS TO BE DETERMINED

P L

A N

N

IN

G L

A Y

O U

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IN

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B

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FILE

NAME

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P O

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K E

D B

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D R

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Y

A W

A R

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P L

O T

D A

T E

D A

T E

A P

P R

M A

R K

M A

R K

SCALE IN FEET

N

D A

T E

A P

P R

OF YOUR CONTRACT

SAFETY IS A PART

400' 400' 800' 1200' 1600'

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

T M

H

E A

S

E N

M

The project depth curve is shown thus:

The information depicted on this map represents the results of surveys general condition existing at that time.

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

Control is by USACE and NOS-C&GS.

NOTES

(NAD 83, U.S. Survey Feet).

Aerial Photography taken by ESRI, I-CUBED & USDA 2012.

Soundings are shown in feet and indicate depths below MLLW.

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

Reference is Navigation Chart No. 18649.

FLOOD

EBB

FLOW

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

River Mileage from Mouth

Flow Arrows Straight

Front

Harbor Lines

State Boundary

Benchmarks

Gages Staff Recording

Rear

Tidal

LEGEND

Aids to Navigation

Lighthouses

Lights Fixed Flashing, Occulting

Lighted Ranges Front Rear

Lighted Buoys

Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons

Seasonal Lights and Lighted Dredging Ranges

Port Starboard

Datum is Mean Lower Low Water (MLLW)of the locality. NAVD 88.

H U

M B

O L

D T B

A Y

H O

O D

S P

L A

C E

M E

N T S

IT

E

5924060.33 2184817.01

5928095.29 2189359.82

5932638.10 2185324.87

5928603.15 2180782.06

X ,9

,0

Y 2,180,000

X ,9

,0

X ,9

,0

X ,9

,0

Y 2,185,000

Y 2,190,000

X ,9

,0

Y 2,185,000

Y 2,180,000

X ,9

,0

X ,9

,0

Y 2,190,000

X ,9

,0

Horizontal coordinates are based on the Lambert Projection for California Zone 1

K A

R L

A G E

L L

IS

SEE ATTACHMENT FOR DETAILS

NO MATERIAL SHALL BE PLACED IN AVOIDANCE ZONES

X COORDINATE X COORDINATE

A

B

C

D

Y COORDINATE Y COORDINATE

HOODS BOUNDARY COORDINATES

HOODS DISPOSAL CELL COORDINATES

E

G

F

H

I

J

K

L5925111.39 2185237.90

5927801.36 2188266.45

5928179.93 2187930.20

5928516.18 2188308.77

5931544.72 2185618.80

5930872.23 2184861.66

5930115.09 2185534.15

5930451.34 2185912.72

CELLS: 1012' X 1012'

AVOIDANCE ZONES

M A

IN

T E

N A

N C

E D

R E

D G

IN

G

W E

S T C

O A

S T H

O P

P E

R

W

N

B

W C

H -H

U O -0

.D

W G

N

M

O

P

Q

R

5928558.50 2187593.95

5927213.51 2186079.68

5926834.95 2186415.92

5926162.45 2185658.79

5926541.02 2185322.55

5925868.53 2184565.41

-N

O V -1

A

B

C

D

E

F2

B

C

D

E

F3

F4

F5

E

E

L

F

G

H

I

J

KM

N

E

E

19-JUNE-2018

SURVEY DATE

D E

S

IG

N E

D B

Y

X COORDINATE Y COORDINATE

S O

L

IC

IT

A T

IO

N N

O

WCH-HUO-000

S A

M P

L E P

L A

C E

M E

N T S

IT

E L

A Y

O U

T D

R A

W

IN

G

FLOW

X ,5 ,0

X ,5 ,0

Y 8 ,00

X ,5 ,0

X ,5 ,0

X ,5 ,0

X ,5 ,0

Y 8 ,00

Y 9 ,00

Y 8 ,00

Y 9 ,00

Y 8 ,00

66 00

40 50

30 40 50

504020 1000

52+50

10 20

Longview Bridge 28

International Paper Dock, 2 FR

Cowlitz River Entrance 1 FIG

"4"

"2"

"3" "1"

Lighted Buoy "R"

Anchorage

Rainier 65.64

DIKE

53+25

53+25

91H-02-01

WASHINGTON

WASHINGTON

OREGON

OREGON

HAS BEEN REMOVED

QUEST FIBER OPTIC

O R E G O N

W A S H I N G T O N

A

C

D

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A

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FILE

NAME

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O R

E G

O N

D E

S

IG

N E

D B

Y

C H

E C

K E

D B

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D R

A W

N B

Y

A W

A R

D D

A T

E

P L

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A L E

D E

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N F

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E N

A M

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W A

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A Y

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A

IN

T S

E C

T

P L

O T

D A

T E

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

D A

T E

A P

P R

M A

R K

M A

R K

D A

T E

A P

P R

A

B C

D

A

B

C

D

SCALE IN FEET

0400' 800' 1200' 1600'

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. 18523.

Image Copyright 2015 DigitalGlobe Inc.

NOTES

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

LEGEND

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 provides for a channel 43 feet deep and 600 feet wide from deep water

THE EXISTING PROJECT

in the Columbia River Entrance at river mile 3.0 to river mile 101.4 at the Mouth of the Willamette River.

400'

OF YOUR CONTRACT

SAFETY IS A PART

N

7577981.96 898765.19

7580882.09 897053.79

7584793.20 895018.64

7584516.24 894486.39

M A

IN

T E

N A

N C

E D

R E

D G

IN

G

W E

S T C

O A

S T H

O P

P

H

J B

S

E N

M K

A R

L A G E

L L

IS

-45 ft. CRD CONTOUR

-46 ft. CRD CONTOUR

W

N

B

W C

H -L

C R

-0

.D

W G

-N

O V -1

Vertical datum is Columbia River Datum. CRD is 2.78 feet above North

X COORDINATE Y COORDINATE

E

F

7580590.93 896528.93

7577677.03 898248.45

E

F

A

A

DREDGE AREA COORDINATES

R M

T

O

CL

300' 300'

MAXIMUM PAY OVERDEPTH

-45 ft CRD

-46 ft CRD

RIVER MILE: 66+05+00

CROSS SECTION A - A

REQUIRED TOE DEPTH

REQUIRED DREDGING DEPTH /

American Vertical Datum of 1988 (NAVD 88 Geoid 09) at Columbia River

25-JUNE-2018

SURVEY DATE

DREDGE AREA

BIN MEASURE TO REQUIRED DEPTH

S L

A U

G H

T E

R S B

A R L

O W

E R D

O B

E L

B O

W E

R B

A R

ANCHORAGE AREA

ANCHORAGE AREA

66+00+00

OF DREDGE AREA

DOWNSTREAM LIMIT

67+26+00

OF DREDGE AREA

UPSTREAM LIMIT

Mile 67.6, 2.95 feet above at River Mile 69.7.

STAFF GAGE AT LIGHT 22: Northing: 903356 Easting: 7571401

403938

444245

504744

434245

445146

435247

484843

504644

474351

42474343

39423837

464241

414342

37353441

38394039

353443

494848

454746

444745

444345

504746

434142

494646

354645

434141

464343

524945

505048

434446

444548

515049

464847

445149

48454240

474746

474647

525352

524844

454346

484848

484747

464548

484747

474748

484443

504847

454547

49444344

514849

484949

464747

474344

535044

393939

464545

373650

47494755

524947

454340

545149

515149

464445

50525353

454646

403837

434344

42464646

454239

464747

383939

54514746

50555454

474444

343736

505151

383435

413836

4239 444241 44

43 44 48

49 47

44 45

47 49

44 51 50

52 47

50 51

45 46

57 52

44 50

45 40 38

41 41 48

50 47

47 48

45 44

N.T.S.

DETAILS

PLACEMENT SITE

FOR ADDITIONAL

WCH-LCR-DISP2-000

WCH-LCR-DISP1-000 &

SEE DRAWINGS

S O

L

IC

IT

A T

IO

N N

O

WCH-LCR1-000

BASED ON PRE DREDGE SURVEY

ACTUAL DEPTHS TO BE DETERMINED

S A

M P

L E L

A Y

O U

T D

R A

W

IN

G

BIN MEASURE TO REQUIRED DEPTH

SAMPLE LAYOUT DRAWING

RM 67+23+

OF OUTFALL PIPEAPPROX. LOCATION

Y: 89526

X: 75846

COORDINATES

APPROX. OUTFALL

FLOW

Y 920,000

X ,4 ,0

X ,4 ,0

X ,4 ,0

Y 915,000

Y 920,000

,5 ,0

X ,5 ,0

Y 915,000

X ,5 ,0

X ,5 ,0

10 20

53+25

40 50

10 20

30 40

53+

GAGE

STAFF

Cathlamet Channel 8, Fl R

"68"

Waterfo rd 69

, Fl G

Coop er Pt.

71, Q G

Eurek a 70, Fl R

D

IK

E 7.

D

IK

E 6.

Cathlamet Dike Lt. 67, Fl G

53+25

WASHINGTON

OREGON

WASHIN

GTON

OREGON

O R E G O N

W A S H I N G T O N

A

C

D

B

A

C

D

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NAME

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E E

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P O

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L A

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O R

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O N

D E

S

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N E

D B

Y

C H

E C

K E

D B

Y

D R

A W

N B

Y

A W

A R

D D

A T

E

P L

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A L E

D E

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N F

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E N

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D B

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W A

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R W

A Y

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A

IN

T S

E C

T

P L

O T

D A

T E

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

D A

T E

A P

P R

M A

R K

M A

R K

D A

T E

A P

P R

A B C D

A

B

C

D

SCALE IN FEET

0400' 800' 1200' 1600'

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. 18523.

American Vertical Datum of 1988 (NAVD 88 Geoid 09) at Columbia River

Image Copyright 2015 DigitalGlobe Inc.

NOTES

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

LEGEND

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 provides for a channel 43 feet deep and 600 feet wide from deep water

THE EXISTING PROJECT

in the Columbia River Entrance at river mile 3.0 to river mile 101.4 at the Mouth of the Willamette River.

400'

CL

OF YOUR CONTRACT

SAFETY IS A PART

N

B

B

300'

7491655.96 915652.42

7492808.81 915762.54

7500041.52 917391.72

7500324.21 917512.72

M A

IN

T E

N A

N C

E D

R E

D G

IN

G

W E

S T C

O A

S T H

O P

P

H

J B

S

E N

M K

A R

L A G E

L L

IS

16-JUNE-2018

SURVEY DATE

-45 ft. CRD CONTOUR

-46 ft. CRD CONTOUR

STAFF GAGE AT DIKE 44.58: Northing: 915288 Easting: 7478715

W

N

B

W C

H -L

C R

-0

.D

W G

-N

O V -1

MAXIMUM PAY OVERDEPTH

-45 ft CRD

-46 ft CRD

RIVER MILE: 47+25+00

CROSS SECTION A - A

REQUIRED TOE DEPTH

REQUIRED DREDGING DEPTH /

Vertical datum is Columbia River Datum. CRD is 1.49 feet above North

Mile 44.6, 1.67 feet above at Columbia River Mile 47.3.

X COORDINATE Y COORDINATE

W E

S T P

O R

T B

A R E

U R

E K

A B

A R

EI

JK

HF

G

7500413.41 917116.72

7492089.84 915241.82

7491698.75 915204.46

DREDGE AREA #1 COORDINATES

7492682.13 915375.23

7498559.85 916699.20

7498625.78 916406.54

7492748.05

X COORDINATE Y COORDINATE

DREDGE AREA #2 COORDINATES

E

F

G

H

I

J

K 915082.56

47+00+00

OF WORK AREA #1

DOWNSTREAM LIMIT

X ,4 ,0

48+36+00

OF WORK AREA #1

UPSTREAM LIMIT

48+17+00

OF WORK AREA #2

UPSTREAM LIMIT

47+10+00

OF WORK AREA #2

DOWNSTREAM LIMIT

R M

T

O

R M

T

O

373940

454546

424343

45 45

535454

56 57

404041

42 4242

474748 48

4242 4243

434444 4444 44

4646 46

474748

373838 39

4041 41

424343 43444444 45 45

373738

40 4141

4344 44

44 44

39 40

44 44

454545

43 4344

44 44

44 44

41 41

4343 43

3939 39

41 41

43 43

444444

35 3636

434343

42 42

38 38

42 42

424242

393940

35 35

43 43

42 42

44 44

40 41

42 42

33 34

46 46

40 40

43 43

48 48

48 48

4949 49

505151

41 41

515151

5252535353

54 54

42 43

565656

54 54

5757 57

58 58

44 44

42 42

42444447

504950

50 50

373839

43 46 47

41 42

414139

44 46

50484545

CL

300'

-44 ft. CRD CONTOUR

-45 ft. CRD CONTOUR

MAXIMUM PAY OVERDEPTH

-44 ft CRD

-45 ft CRD

RIVER MILE: 47+35+00

CROSS SECTION B - B

REQUIRED TOE DEPTH

REQUIRED DREDGING DEPTH /

50'

OW

A

A

(VERTICAL FACE)

(VERTICAL FACE)

N.T.S.

N.T.S.

SITE DETAILS

PLACEMENT

FOR ADDITIONAL

WCH-LCR-DISP2-000

WCH-LCR-DISP1-000 &

SEE DRAWINGS

S O

L

IC

IT

A T

IO

N N

O

WCH-LCR2-001

BASED ON PRE DREDGE SURVEY

ACTUAL DEPTHS TO BE DETERMINED

S A

M P

L E L

A Y

O U

T D

R A

W

IN

G

PRE - POST

AREA #2

PRE - POST SURVEY

SAMPLE LAYOUT DRAWING

PRE - POST SURVEY

AREA #1

X ,4 ,0

X ,4 ,0

X ,4 ,0

Y 960,000

Y 965,000

20 30 40 50

53+61

O R E G O N

W A S H I N G T O N

WASHINGTON

OREGON

OREGON

WASHINGTON

D

IKE 29.35

C

D

B

A

C

D

1 3 4 5

4 5

FILE

NAME

U S

A R

M Y E

N G I N

E E

R D

IS

T R

IC

T P

O R

T L

A N

D

C O

R P

S O

F E

N G

IN

E E

R S

P O

R T

L A

N D

O R

E G

O N

D E

S

IG

N E

D B

Y

C H

E C

K E

D B

Y

D R

A W

N B

Y

A W

A R

D D

A T

E

P L

O T

S C

A L E

D E

S

IG

N F

IL

E N

A M

E

S U

B M

IT

T E

D B

Y

C H

IE

F

W A

T E

R W

A Y

S M

A

IN

T S

E C

T

P L

O T

D A

T E

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

D A

T E

A P

P R

M A

R K

M A

R K

D A

T E

A P

P R

SCALE IN FEET

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. 18523.

Image Copyright 2015 DigitalGlobe Inc.

NOTES

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

LEGEND

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 provides for a channel 43 feet deep and 600 feet wide from deep water

THE EXISTING PROJECT

in the Columbia River Entrance at river mile 3.0 to river mile 101.4 at the Mouth of the Willamette River.

OF YOUR CONTRACT

SAFETY IS A PART

N

A

A

B

C

D

E

1 32

A

B

C

D E

J B

S

K A

R L

A G E

L L

IS

200' 200' 400' 600' 800'

Y 965,000

Y 960,000

X ,4 ,0

Mile 28.9, 1.30 feet above at Columbia River Mile 31.2.

American Vertical Datum of 1988 (NAVD 88 Geoid 09) at Columbia River

Vertical datum is Columbia River Datum. CRD is 1.15 feet above North

STAFF GAGE AT LIGHT DIKE: Northing: 960472 Easting: 7431183

PLACEMENT SITE W-30.1-IW

7434353.60 961456.42

7435370.87 962427.38

7436933.57 962257.11

7437008.69 961970.74

7434567.45 961045.51 13-JUNE-2018

SURVEY DATE

P L

A C

E M

E N

T S

IT

E O -3

.1 -I

W

B R

O O

K F

IE

L D -W

E L

C H

-N

O V -1

T M

H

E N

M

PLACEMENT SITE W-30.1-IW

W C

H -L

C R -D

IS

P -0

.D

W G

X COORDINATE Y COORDINATE

W

N

B

M A

IN

T E

N A

N C

E D

R E

D G

IN

G

W E

S T C

O A

S T H

O P

P

S O

L

IC

IT

A T

IO

N N

O

WCH-LCR-DISP1-000

MAX DEPOSITION: 2FT

MAX QUANTITY: 110,000 CY +/- ONE LOAD

DISTRIBUTE LOADS EVENLY THROUGHOUT SITE

POINT DUMP EACH LOAD

CONTROLLING DEPTH: 42FT CRD

PLACEMENT SITE

SAMPLE LAYOUT DRAWING

S A

M P

L E P

L A

C E

M E

N T S

IT

E L

A Y

O U

T D

R A

W

IN

G

333938384443434038363534292830293235343129292828282930

30342930313537

53525048 40

44414244 4342

36 38 343437

353130303027

413735

535754 5252 505051

39 3941

37 3735

37 40 4041424140 29262420

5052555252524744

41 38 39373842

36 38 37383738 41

42434444

40312421

51505253 49484848

424140423939

383636 3838363740

37 37

3940 40

41 43

4342 42 42 4645

444444

4027242121

544848 5143434546484237

39413840