Solicitation_Plans_W9127N-17-B-0008.pdf

PDF 6 MB Posted May 19, 2017

Attached to: Oregon Coast Clamshell Maintenance Dredging 2017
Solicitation number: W9127N-17-B-0008
Issued by: Department of the Army Corps of Engineers Engineering District Portland

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W9127N-17-B-0008, Solicitation Plans

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B.01.02_Abstract_17-B-0008.pdf	PDF	Jun 28, 2017
Amd_0001_Specs_W9127N-17-B-0008.pdf	PDF	Jun 15, 2017
Amd_0001_Plans_W9127N-17-B-0008.pdf	PDF	Jun 15, 2017
Solicitation_Specs_W9127N-17-B-0008.pdf	PDF	May 19, 2017

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DATE:

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

CHIEF, ENGINEERING AND CONSTRUCTION DIVISION

LANCE A. HELWIG, P.E.

DRAWINGS IN THIS SET

RECOMMENDATION AND APPROVAL OF ALL THE

SIGNATURES AFFIXED HEREON INDICATE OFFICIAL

CHIEF, OPERATIONS DIVISION

DWANE E. WATSEK

CHANNELS AND HARBORS PROJECT

OPERATIONS MANAGER

MICHAEL E. OTT, P.E., PMP

COMMANDING

COLONEL, EN

JOSE L. AGUILAR

OREGON COAST CLAMSHELL

MAINTENANCE DREDGING 2017

Signed Drawings are on file in the U.S. Army Corps of Engineers, Portland District, Channels and Harbors Office.

T M

S U

B M

T E

D B

OCC-IND-000

O C

C -I

N D -0

G N

COLUMBIA

RIVER

L A

M E

T T

E R

OCC-POR-000

T S

K A

R L

A G E

L L

TABLE OF CONTENTS AND VICINITY MAP

FILE

NUMBERNUMBER

DESCRIPTION

CONTRACT DRAWING INDEX

S N

A K

E R

P A

C E

A N

OREGON

PROJECT

LOCATIONS

PORTLAND

NEVADA

CALIFORNIA

WASHINGTON

C H

W A

T E

R W

A Y

S M

T E

N A

N C

E S

E C

C O

R P

S O

F E

N G

E E

R S

S C

A L E

P L

O T

C H

E C

K E

D B

D E

N E

D B

A W

A R

D D

A T

D R

A W

N B

S O

A T

N N

D E

N F

E N

A M

U S

A R

M Y E

N G

E E

R D

T R

T P

O R

T L

A N

P O

R T

L A

N D

O R

E G

O N

SAFETY IS A PART

OF YOUR CONTRACT

1 3 4 5

21 3 4 5

M A

R K

D E

S C

N D

A T

E A

P P

M A

R K

D E

S C

N D

A T

E A

P P

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

1 3 4 5

21 3 4 5

M A

R K

D E

S C

N D

A T

E A

P P

M A

R K

D E

S C

N D

A T

E A

P P

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

1 3 4 5

21 3 4 5

M A

R K

D E

S C

N D

A T

E A

P P

M A

R K

D E

S C

N D

A T

E A

P P

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

NAME

FILE

DRAWING

IDAHO

PORT ORFORD

T A

B L E O

F C

O N

T E

N T S A

N D V

T Y M

A P

PLANNING LAYOUT DRAWING

PORT ORFORD RM 00+00+00 TO 00+07+50

O R

E G

O N C

O A

S T C

L A

M S

H E

L L

OCC-BB2-000

OCC-BB1-000 3

PLANNING LAYOUT DRAWING

BAKER BAY 1 RM 00+19+00 TO 01+10+00

PLANNING LAYOUT DRAWING

BAKER BAY 2 RM 02+20+00 TO 02+35+00

BAKER BAY

OREGON COAST CLAMSHELL MAINTENANCE DREDGING 2017

X X -X

X X

X -M

A R -2

D A

T E

P L

O T

M A

T E

N A

N C

E D

R E

D G

DWG 1 OF 4

N -1

-B -0

LEAD

1647 K

1647 J

1647 N 1647 G

1647 T

1647 S

1 3 4 5

21 3 4 5

U S

A R

M Y E

N G

E E

R D

T R

T P

O R

T L

A N

C O

R P

S O

F E

N G

E E

R S

P O

R T

L A

N D

O R

E G

O N

D E

N E

D B

C H

E C

K E

D B

D R

A W

N B

A W

A R

D D

A T

P L

O T

S C

A L E

S U

B M

T E

D B

C H

W A

T E

R W

A Y

S M

T S

E C

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

D A

T E

A P

P R

M A

R K

X 3,847,000

X 3,848,000

X 3,847,000

X 3,848,000

REFUSAL

DIG TO

ROCK AREA

ANTICIPATED

GAGE

STAFF

REFUSAL

DIG TO

ROCK AREA

ANTICIPATED

FILE

NAME

P O

R T O

R F

O R

T M

F G

STA. 00+00+00

DREDGE AREA #1

DOWNSTREAM LIMIT OF

STA. 00+07+50

DREDGE AREA #2

UPSTREAM LIMIT OF

K A

R L

A G E

L L

3847980.66 416175.52

3847627.30 416379.77

3847597.54 416507.16

3847685.18 416527.64

3848025.70 416253.44

3847706.08 416438.19

3847597.54 416507.16

3847540.66 416750.60

3847628.30 416771.08

3847685.18 416527.64

D E

N F

E N

A M

THE EXISTING PROJECT

Provides for a turning basin 16 feet deep, 90 feet wide and 750 feet long.

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

Sunken Vessel

SCALE IN FEET

X COORDINATE Y COORDINATE

COORDINATES

NEAR SHORE PLACEMENT

OF YOUR CONTRACT

SAFETY IS A PART

50' 50' 100' 150' 200'

STA. 00+03+88

R M

-18 ft. MLLW

-20 ft. MLLW20

45' 45'

-18 ft. MLLW CONTOUR

-20 ft. MLLW CONTOUR

N.T.S.

TYPICAL SECTION A+A

-18 ft. MLLW

-20 ft. MLLW20

40' 45'

FACE

DOCK

N.T.S.

TYPICAL SECTION B+B

REQUIRED DREDGING DEPTH

MAXIMUM PAY DEPTH

STA: 00+03+50

CROSS SECTION A - A

REQUIRED DREDGING DEPTH

STA: 00+05+50

CROSS SECTION B - B

SEE SECTION 01 2

2 00.82

FOR DETAILS

POTENTIAL LEAD LINE SOUNDING LOCATION

OCC-POR-000

O C

C -P

O R -0

G N

N -1

-B -0

05-JUL-2016

SURVEY DATE

PLACEMENT SITE

05-JUL-2016

SURVEY DATE

DREDGE AREA

STAFF GAGE: Northing: 416427 Easting: 3847618

Reference is Navigation Chart No. 18589 2009 Aerial Photography data source: U.S.D.A., Service Center Agencies the general condition existing at that time.

conductedon the date indicated and can only be considered to represent The information depicted on this map represents the results of a survey une 1968.

Hydraulics Committee, Pacific Northwest River Basins Commission, J River mileage conforms to the River Mile Index of the Hydrology and

Vertical Datum (NAVD 88).

Low Water 1983-2001. MLLW is 0.49 feet below the North American Soundings are shown in feet and indicate depths below Mean Lower Vertical Datum:

U.S. Survey Feet.

Coordinate System (SPCS), Oregon South Zone. Distance units in North American Datum of 1983 (NAD83), projected to the State Plane Horizontal Coordinate System:

NOTES:

SEE DISPOSAL PLAN FOR ADDITIONAL DETAILS

M A

T E

N A

N C

E D

R E

D G

O R

E G

O N C

O A

S T C

L A

M S

H E

L L

T S

G S

O L

A T

N N

DREDGE AREA #1 COORDINATES DREDGE AREA #2 COORDINATES

X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

DWG 2 OF 4

I J

415818.58

PLACEMENT SITE IS 1210.7ft

BETWEEN DREDGE AREA AND

CENTROID TO CENTROID DISTANCE

STA. 00+05+00

DREDGE AREA #2

DOWNSTREAM LIMIT OF

DREDGE AREA #1

UPSTREAM LIMIT OF

DOCK FACE MAXIMUM DEPTH -16 ft. MLLW

MAXIMUM DREDGING / PAY DEPTH

***VERTICAL FACE***

MAXIMUM DREDGING / PAY DEPTH -16 ft

***NOTE ON DREDGING DEPTHS AT DOCK FACE***

3847775.22 414963.49

3847718.09 415761.45

3848516.05

3848573.16 415020.60

800 FT

PLACEMENT SITE

PORT ORFORD NEAR SHORE

NOT TO SCALE

THAN 2 FT VERTICAL ACCUMULATION**

THE SEABED SHALL BE LESS

**MOUNDING OF DREDGE MATERIAL PLACED ON

X X -X

X X

-A

P R -2

7 9 12 9 5 4 4 8 9 7 5 5 7 5 4 3 2 2

1 1 1 1 0+1+1 +1

7 8 5 3 3 3 3 3 3 3 3 3 3 4 3 2 2 2 1 1

+0+0+1+1+1+1 +1

5 4 3 3 3 3 3 3 2 2 2 2 3 3 2 2 2 1 1 0 0 +0+0+0+1+1+1+1+2

10 5 4 4 4 4 3 3 3 3 3 2 3 2 2 2 2 1 1 0 0 +0+0+0+0+1+1+1+1

9 5 4 3 3 3 3 3 3 3 2 2 2 2 2 1 1 1 1 0 0 +0+0+1+1+1+1+1+1

8 5 4 4 4 4 3 3 3 3 3 2 2 2 2 2 2 1 1 0 +0+0+1+1+1+1+2+2+1

4 4 4 4 4 3 3 3 3 3 2 2 2 1 1 1 1 0 0 +0+0+1+0+0+1

6 6 5 5 5 5 4 4 4 3

3 3 2 2 2 2 1 1 1 1 1 0+0+0+1+1+1+1

7 6 6 5 5 5 5 4 4 4 3 3 3 2 2 2 2 2 1 1 1 0 +0+0+0+0+0+1

5 5 5 4 4 4 3 3 3 2 2 2 2 1 1 1 1 0 0+0+0+1+1+1+1+1

66778

31313131313131313131303130303029292828282827272727272828292928

9 9 8 8 7 7 6 6 5 5 4 4 4 3 3 3 2 2 2 2 1 1 1 1 0 +0+1+1

33344445

889910101111

26272727272726262626

28282829292829282829

3030303030303030303030

313131313030303029292929292928282828282828282727272626262625252525252525252424

14131312111110 1010 9 9

6 5 5 5 4 4 4 4 3 3 2 2 2 2 1 1 0

112222 333444555667778910101111111112121313131414151516171718

2122222223232324242424242425252526262626262626272727272727272828282828282828 2829293030303030

3029292929292929 292928282727 272727 27272726262727262626262625 25252424 232323232323232323222222222121202019181817171615151414 131313121212 11111010 9 9 8 8 7 7 6 6 6 5 5 5 4 4 3 3 3 3 2 2 2

44543345 56666788991010111112121314141415151616171718181919191920202021212222222223

+1 +1

7 9 12 9 5 4 4 8 9 7 5 5 7 5 4 3 2 2

1 1 1 1 0+1+1 +1

7 8 5 3 3 3 3 3 3 3 3 3 3 4 3 2 2 2 1 1

+0+0+1+1+1+1 +1

5 4 3 3 3 3 3 3 2 2 2 2 3 3 2 2 2 1 1 0 0 +0+0+0+1+1+1+1+2

10 5 4 4 4 4 3 3 3 3 3 2 3 2 2 2 2 1 1 0 0 +0+0+0+0+1+1+1+1

9 5 4 3 3 3 3 3 3 3 2 2 2 2 2 1 1 1 1 0 0 +0+0+1+1+1+1+1+1

8 5 4 4 4 4 3 3 3 3 3 2 2 2 2 2 2 1 1 0 +0+0+1+1+1+1+2+2+1

4 4 4 4 4 3 3 3 3 3 2 2 2 1 1 1 1 0 0 +0+0+1+0+0+1

6 6 5 5 5 5 4 4 4 3

3 3 2 2 2 2 1 1 1 1 1 0+0+0+1+1+1+1

7 6 6 5 5 5 5 4 4 4 3 3 3 2 2 2 2 2 1 1 1 0 +0+0+0+0+0+1

5 5 5 4 4 4 3 3 3 2 2 2 2 1 1 1 1 0 0+0+0+1+1+1+1+1

66778

31313131313131313131303130303029292828282827272727272828292928

9 9 8 8 7 7 6 6 5 5 4 4 4 3 3 3 2 2 2 2 1 1 1 1 0 +0+1+1

33344445

889910101111

26272727272726262626

28282829292829282829

3030303030303030303030

3131313030303029292929292928282828282828282727272626262625252525252525252424

14131312111110 1010 9 9

6 5 5 5 4 4 4 4 3 3 2 2 2 2 1 1 0

112222 333444555667778910101111111112121313131414151516171718

2122222223232324242424242425252526262626262626272727272727272828282828282828 2829293030303030

3029292929292929 292928282727 272727 27272726262727262626262625 25252424 232323232323232323222222222121202019181817171615151414 131313121212 11111010 9 9 8 8 7 7 6 6 6 5 5 5 4 4 3 3 3 3 2 2 2

44543345 56666788991010111112121314141415151616171718181919191920202021212222222223

+1 +1

+3+3

+4 +3

+3 +4

+4 +3

+3 +4

+3 +5

+5 +3

+8 +10

+10

+10+10

+10

+8 +9

+10

+11

+10

+11

+10

+11 +11

+11

+10

+11

+10

7 811106 5 5 5 5 77 8 7 6 857

6 5 4 3 3 33 3 2 2 1 1 2 1

00+0+0+0+0+0+0

P L

A N

G L

A Y

O U

T D

R A

O R E G

O N

W A S H

G T O

OREGON

WASHINGTON

OREGON

WASHINGTON

FLOOD

EBB

Channel 10 Fl R Baker Bay West Channel

GAGE

STAFF

1 3 4 5

21 3 4 5

FILE

NAME

U S

A R

M Y E

N G

E E

R D

T R

T P

O R

T L

A N

C O

R P

S O

F E

N G

E E

R S

P O

R T

L A

N D

O R

E G

O N

D E

N E

D B

C H

E C

K E

D B

D R

A W

N B

A W

A R

D D

A T

P L

O T

S C

A L E

D E

N F

E N

A M

S U

B M

T E

D B

C H

W A

T E

R W

A Y

S M

T S

E C

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

Daybeacon 11

Daybeacon 9

Daybeacon 7

Daybeacon 6

Bake

BOAT HUB

BETTY M

HLM TWO

HEEL

W est

OF YOUR CONTRACT

SAFETY IS A PART

X 7,304,000

X 7,306,000

X 7,308,000

X 7,306,000

X 7,308,000

X 7,310,000

X 7,305,000

X 7,310,000

M 7310850.30 961901.70

7309330.95 962448.96

7307747.52 962766.20

7307924.65 963648.93

7308889.88 963585.59

COORDINATES

PLACEMENT SITE O-3.2-IW

7317250.75 959962.46

7316180.27 961015.50

7317420.19 962282.45

7318493.91 961226.22

COORDINATES

PLACEMENT SITE W-4.8-IW

NOT TO SCALE

X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

7309450.51 963433.90

7311057.00 962244.28

PLACEMENT SITE O-3.2-IW

RM 03+01+00 to 03+40+00

NOT TO SCALE

PLACEMENT SITE W-4.8-IW

RM 04+30+00 to 04+50+00

F L

7309409.79 968551.94

7309218.85 970135.82

7308959.05 970672.11

7307835.08 971984.31

7307523.37 972232.64

DREDGE AREA #1 COORDINATES

X COORDINATE Y COORDINATE

RM 00+19+00

DREDGE AREA #1

DOWNSTREAM LIMIT OF

RM 01+10+00

DREDGE AREA #1

UPSTREAM LIMIT OF

OF BUOY CHAIN AND ANCHOR

APPROXIMATE LOCATION

Y: 969533.94

X: 7309342.54

O R E G O N

W A S H I N G T O N

75' 75'

RIVER MILE: 01+05+70

CROSS SECTION A - A

-18 ft. MLLW

N.T.S.

REQUIRED DREDGING DEPTH

200' 200' 400' 600' 800'

-15 ft. MLLW CONTOUR

-17 ft. MLLW CONTOUR

R M

T M

T S

T M

K A

R L

A G E

L L

N -1

-B -0

650 feet wide at Ilwaco.

deep and 150 feet side to a mooring basin 10 feet deep, 1,200 feet long and deep water in the Columbia River to mile 0.5 in the bay, thence a channel 16 feet

The existing project provides for a channel 16 feet deep and 200 feet wide from

STAFF GAGE U.S.C.G. BOAT DOCK:Northing: 973042 Easting: 7305497

Reference is Navigation Chart No. 18521

2012 Aerial Photography data source: USDA, Service Center Agenciess to represent the general condition existing at that time.

survey conducted on the date indicated and can only be considered

The information depicted on this map represents the results of a

Commitee, Pacific Northwest River Basins Commission, July 1972.

conforms to the River Mile Index of the Hydrology and Hydraulics

Datum (NAVD 88 Geoid 09) at Columbia River Mile 2.6. River mileage

Low Water. MLLW is 0.22 feet below the North American Vertical

Soundings are shown in feet and indicate depths below Mean Lower

Vertical Datum:

U.S. Survey Feet.

Coordinate System (SPCS), Oregon North Zone. Distance units in

North American Datum of 1983 (NAD83), projected to the State Plane

Horizontal Coordinate System:

NOTES:

SCALE IN FEET

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, THE EXISTING PROJECT

7307647.99 972389.07

7307974.43 972128.72

7309085.59 970754.96

7309431.82 970040.26

7309608.30 968576.31

X COORDINATE Y COORDINATE

JETTY "A"

M A

T E

N A

N C

E D

R E

D G

O R

E G

O N C

O A

S T C

L A

M S

H E

L L

S O

A T

N N

MAXIMUM ALLOWED DEPTH

-17 ft. MLLW

MAXIMUM PAY DEPTH

-15 ft. MLLW

52+80

E B -0.28 D

O L

E B -0.28 D

O L

Channel 10 Fl R Baker Bay West Channel

GAGE

STAFF

Entrance Jetty 2, Fl W Baker Bay West Channel

Channel 8, Fl W Baker Bay West Channel

E B -0 .7 D

O L

Desdemona Sands Channel Fl W

Leading Light Desdemona Sands Channel

Channel Buoy 11 Baker Bay West

Channel 12 Fl W Baker Bay West Channel

Entrance Jetty 1, Fl G Baker Bay West Channel

Channel Buoy 3 Baker Bay West

Daybeacon 14

04-AUG-2016

SURVEY DATE

DREDGE AREA

X X -X

X X

535253

62 63

64 64

67 66

67 67

68 69

62 63

63 62

64 65

65 65 66

58 58

59 59 60

60 61

61 61 61 61

62 62 62 62

63 63

64 63

64 64

59 60

62 61

55 55

58 58

58 59

60 60

53 53

54 54 54

55 55

56 55

55 56 56 57 57

57 57

47 47

48 48

49 49 49

50 50 50 51 51

51 52

46 46

50 49 49

52 52

53 54

54 55

45 45

47 48

50 51 52 52

54 56

48 48

43 43

43 44

45 45

45 46 47

48 49

50 52

43 44 44

45 45

46 47

48 48

49 50

52 53

55 56

57 57

50 50

56 56

58 58

41 42

43 44 44

55 56

43 43

48 48

52 53 55 55

47 48

50 52

56 58

59 60

45 46 47

49 50

53 52

56 56

61 62

57 58

44 45

47 48

50 52

54 56

58 59

60 61

52 53

63 63

46 47

51 51

54 55

59 62

62 63

57 61

50 51

58 59

59 60

50 51

56 57 58

59 60

61 61

63 64 64

51 52

60 60 60 61

61 62 62

62 63

65 65

53 54

60 59

61 62

55 56

65 65

60 61

63 64

66 67

68 69

62 62

63 63

65 66

66 67

69 70

70 70

71 72

46 59

53 54

52 52

44 50

04-AUG-2016

SURVEY DATE

O-3.2-IW

04-AUG-2016

SURVEY DATE

W-4.8-IW

H I

7308043.69 972048.20

972015.687308005.72

50'

O.W.

-14 ft. MLLW REQ. O.W.

-16 ft. MLLW MAX O.W.

16 13

13 12

12 10

10 9

11 12

10 9

5 6

2 1

2 2

2 3

10 6

7 8 7 8 9 8

11 16

10 9 4 3

+1 +1

+1 +0

CHANNEL CONTOUR

-14 ft. MLLW CONTOUR

-16 ft. MLLW CONTOUR

OVERWIDTH CONTOUR

OCC-BB1-000

P L

A N

G L

A Y

O U

T D

R A

O C

C -B

B -0

G N

-A

P R -2

B A

K E

R B

A Y S

H E

E T

SITE O-3.2-IWAPPROXIMATELY 1.1 MILES

CHANNEL) TO CENTROID OF PLACEMENT

DISTANCE FROMRM 02+35+00(BAKER BAY

SITE W-4.8-IW APPROXIMATELY 2.4 MILES

CHANNEL) TO CENTROID OF PLACEMENT

DISTANCE FROM RM 02+35+00 (BAKER BAY

PLACEMENT PLAN

CAN BEFOUND IN SAMPLE

SITE USAGE REQUIREMENTS

PLACEMENT PLAN

IN SAMPLE

CAN BEFOUND

REQUIREMENTS

SITE USAGE

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, SCALE IN FEET

OF YOUR CONTRACT

SAFETY IS A PART

X ,3 ,0

Ch an ne l 2

Qk F l G

Ba ke r B ay W es t

Ba sin F l G

Ilw ac o

M oo rin g

Ba sin F l R

Ilw ac o

M oo rin g

Da yb ea co n

H- -0

1 3 4 5

4 5

FILE

NAME

U S

A R

M Y E

N G

E E

R D

T R

T P

O R

T L

A N

C O

R P

S O

F E

N G

E E

R S

P O

R T

L A

N D

O R

E G

O N

D E

N E

D B

C H

E C

K E

D B

D R

A W

N B

A W

A R

D D

A T

P L

O T

S C

A L E

D E

N F

E N

A M

S U

B M

T E

D B

C H

W A

T E

R W

A Y

S M

T S

E C

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

7310850.30 961901.70

7309330.95 962448.96

7307747.52 962766.20

7307924.65 963648.93

7308889.88 963585.59

COORDINATES

PLACEMENT SITE O-3.2-IW

7317250.75 959962.46

7316180.27 961015.50

7317420.19 962282.45

7318493.91 961226.22

COORDINATES

PLACEMENT SITE W-4.8-IW

X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

7309450.51 963433.90

7311057.00 962244.28

100' 100' 200' 300' 400'

X ,3 ,0

Y 978,000

Y 980,000

N -1

-B -0

T S

E A

T S

R M

21 3

7305236.01 976694.16

7306012.86 977729.04

7306188.01 977869.95

7306282.03 977753.07

7306121.53 977623.96

7305355.98 976604.11

DREDGE AREA #3 COORDINATES