W9127N24B0010 CBCLAM24_Advertise_Plans.pdf

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Attached to
Coos Bay Upriver Clamshell Dredging 2024
Solicitation number
W9127N24B0010
Issued by

About this file

This document is a set of drawings and planning layouts for a federal contract opportunity related to the Coos Bay Upriver Clamshell Dredging project in 2024. The U.S. Army Corps of Engineers, Portland District, has a requirement to perform clamshell dredging at Coos Bay, Oregon. The scope of work includes the contractor furnishing all supervision, engineering, labor, materials, and equipment to complete the dredging project. The solicitation number is W9127N24B0010, and the magnitude of construction is between $5,000,000 and $10,000,000. The bid period opened on June 3, 2024, and the bid opening is scheduled for July 3, 2024, at 11:00 AM Pacific Time. The drawings provide detailed information on the dredging areas, placement site, survey dates, required dredging depths, and cross-sections for the project.

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Text version

US ARMY CORPS

OF ENGINEERS

PORTlAND DISTRICT

COOS BAY UPRIVER CLAMSHELL

MAINTENANCE DREDGING 2024

SOLICITATION NO.: W9127N2480010

SIGNATURES AFFIXED HEREON INDICATE OFFICIAL

RECOMMENDATION AND APPROVAL OF ALL THE

DRAWINGS IN THIS SET

ANDERSON.KYMBE �:�;���::�BERLY.c.1254 RL Y.C.1254213949 ���!'io24.04.os ,2,sa:21 -oToo·

KYMBERLY C. ANDERSON P.G.

CHIEF, OPERATIONS DIVISION

DUYCK.PATRIC ����t�!�;;:g[L.124284 1 1 8•

K.L.1242841189 �����024.04.1 0 08 1228

PATRICK L. DUYCK, P.E.

CHIEF, ENGINEERING AND CONSTRUCTION DIVISION

DATE:

KLA TTE.BERNAR ��::�•�

g ;:r::�D.A.119406577

D.A.1194065775 tale: 2024.04.09 12:53:0B-07'00'

BERNARD A. KLATTE

OPERATIONS PROJECT MANAGER

CHANNELS AND HARBORS PROJECT

tJ' t:,_4' /, R.1052433432 � r

CASWELL.LARRY.DALE.J

2024. 04.1410:48:54-07'00'

LARRY CASWELL, JR., P.E., P.M.P.

COLONEL, EN

COMMANDING

PORTLAND DISTRICT

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INDEX SHEET AND VICINITY MAP

DESCRIPTION

CONTRACT DRAWING INDEX

3CBU-CB1-000

CBU-OVR-000

CBU-CB2-000 4

MAINTENANCE DREDGING 2024

COOS BAY UPRIVER CLAMSHELL

WITH WORK AREA(S) HIGHLIGHTED

OVERVIEW OF COOS BAY AND DISPOSAL SITE H

:1

4 5 6

CBU-IND-000

SHEET ID

-F

E B

-2

PLANNING LAYOUT DRAWING

COOS BAY STATIONS 11+49+00 TO 13+15+00

PLANNING LAYOUT DRAWING

COOS BAY STATIONS 13+15+00 TO 15+00+00

SHEET ID

NUMBER

DRAWING

T A

B L

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O N

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N T

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Y M

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COLUMBIA

RIVER

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OREGON

NEVADA

CALIFORNIA

WASHINGTON

IDAHO

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COOS BAY

CBU-DISP-000 5

PLANNING LAYOUT DRAWING

PLACEMENT SITE H

CBU-IND-000

IN

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S H

E E

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PORTLAND DISTRICT

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PROJECT OVERVIEW

MAINTENANCE DREDGING 2024

COOS BAY UPRIVER CLAMSHELL

:1

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CBC-OVR-000

SHEET ID

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B -2

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IE

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PACIFIC OCEAN

OREGON

N

PLACEMENT SITE H

RM 11+49+00

RM 15+00+00

North Bend

Coos Bay

X COORDINATE X COORDINATE X COORDINATE

3934288.07

3933707.92

3933251.63

3933250.65 648110.27

648696.98

650343.34

651077.34

651862.14

652436.51

Y COORDINATE

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3932954.46

3934350.35

3933504.27

3933366.98

Y COORDINATE

647463.11

647140.71

645985.29

647214.48M

N

O 3933273.07

3933709.82

3932746.43

Y COORDINATE

648371.78

651847.87

650271.99 3934647.70

3934430.19

DREDGE AREA COORDINATES

P

Q 3933746.28 652436.68

3934044.64 645752.453933658.54 650165.16

3934258.56 652559.53A

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CBU-CB1-000

SHEET ID

:3

39 FT (MLLW )

38 FT (MLLW )

STAFF GAGE AT COOS BAY: Northing: 641912 Easting 3934634

STAFF GAGE AT CORPS OF ENGINEERS DOCK: Northing: 646228 Easting 3933553 considered as indicating the general condition existing at that time.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be

Basins Commission, July 1972

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

2009 Aerial Photography data source: USDA, Service Center Agencies

Reference is Navigation Chart No. 18587.

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

Soundings are shown in feet and indicate depths below MLLW.

(NAVD88 Geoid 9 )at Coos Bay City, 1.11 feet at Coos Bay Corps Dock and 1.07 feet at Eastside.

Vertical Datum is Mean Lower Low Water (MLLW ). MLLW is 1.07 feet below North American Vertical Datum of 1988

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

Control is by USACE.

FLOOD

EBB

LEGEND

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

River Mileage from Mouth

Front

Flow Arrows Straight

Harbor Lines

State Boundary

Benchmarks

Gages Staff Recording

Rear

Tidal

Aids to Navigation

Lighthouses

Lights Fixed Flashing, Occulting

Lighted Ranges Front Rear

Lighted Buoys

Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons Port Starboard

Seasonal Lights and Lighted Dredging Ranges

NOTES

SCALE IN FEET

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

OF YOUR CONTRACT

SAFETY IS A PART

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500' 500' 1000' 1500' 1200'

52+80

TRACK

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GAGE

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W

HYDROGRAPHIC

Y

,0

Y

,0

X 3,936,000

X 3,933,000 X 3,933,000

PIERCE DOCK

S.

E

ND

DOCK

N.

END D

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SITE INFORMATION

FOR PLACEMENT

CBU-DISP-000

SEE DRAWING

01-JAN-2024

21-DEC-2023

SURVEY DATES

RM 13+15+00

UPSTREAM LIMIT

RM 11+49+00

DOWNSTREAM LIMIT

37 FT (MLLW )

36 FT (MLLW )

N.T.S.

CL

REQUIRED DREDGING DEPTH

700' 200'

38 ft. MLLW

39 ft. MLLWMAXIMUM PAY DREDGING DEPTH

STA: 12+07+00

CROSS SECTION A-A

B

B

DEPTHS AND STATIONING

35 20 23.00 82 FOR DREDGING

SEE SPECIFICATION SECTION

PRE/POST

N.T.S.

CL

REQUIRED DREDGING DEPTH

190' 210'40

MAXIMUM PAY DREDGING DEPTH

STA: 13+05+00

CROSS SECTION B-B

DEPTHS AND STATIONING

35 20 23.00 82 FOR DREDGING

SEE SPECIFICATION SECTION

PRE/POST

LC

36 ft. MLLW

37 ft. MLLW

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33322928262518139751111 2123313435353535

363535353535343333333230282826262626262626262626262628303435

36363636363636363534322816

928323434 34343434

343434

3231282624228

7101012222630333435

363636

36363535

34333333 31303029

282727272727282930 31333535363636363637373737

3635343332

34343434343433333231

1113213033

363535353636

363535

333232302928282829

373737

3736353434333116

333334

343334333333 323129

111925 293536363636363636

35353533

32313030303031

383736353333

33323130292928

271698 1014172835

3737383836

3434343333323132323334343535

363737 38383837373635343332302615

333333

323231 3029282828272111

172429

373939393836

343333333333 333434

363738

3837363533

312818

23333433

3231292828272725

12202732363839

40393837

363535353434343434 3435353535

363737

37363635 312922

101731 333333

333333 3332313130

282727

2671213172330353840

40383636 363635

353534

353535

35363737

3433312820

32302929282827

10111426 32353839

363535

34353535353636 36363634323027

333332

272727

61113 162834

3638393737

353535353535

3636343226229

323333

29272761215 263137

373635 353535353535

3636353431292420

6263233323332 31302928

2727272620612

131823 2833363736

353434

353535333026221899

3232323232

272727

2351213203135

3535343434

33251713141199

303232

323232

292827

27266 1213172832343535343330291810

11273032

282727

242730282622 99999

313132

24612 152117

131010

313029

262727

32313131

29282726

26199

323535

313131 3029262627

313532 32313030

29282726

262727

343432

282726 27272622

8 26 34343232

31303029

26272718

31312927

2626257

193434

313130

183531 303029

292827

272621

313130

2928272828

3131313030

28353131 302929292823

313130

29293030

10 22

172632 32323030

313232

323131 303131

323232

312013

3232333519

3232333420

263232

333333

373728

173334

11 222531

283335

222532

19233033

222631 32354040

18 18

17232627

333330

A

A

VERTICAL SLOPE N-P

VERTICAL SLOPE U-W

373736

36363534

35343332

353533

323232

3433272215

312313

383939383635

35353433 323028241715

2232383837353535 353433323129272215

3738373636

333230 2826201615

353433

32312928

3436373736

36353534333230

373736 36363535343332313029

36363534333231

37373635353434323130

231715

35353433

32313029272015

363534333332

302925

36363534

302315

35343332

3128211815

353533

32323227

323232

3433272215

312313

R

S

U

W

RM 13+15+00

DOWNSTREAM LIMIT

RM 15+00+00

UPSTREAM LIMIT

COOS BAY

02-JAN-2024

21-DEC-2023

SURVEY DATES

37 FT (MLLW )

36 FT (MLLW )

STAFF GAGE AT COOS BAY: Northing: 641912 Easting 3934634

STAFF GAGE AT CORPS OF ENGINEERS DOCK: Northing: 646228 Easting 3933553 considered as indicating the general condition existing at that time.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be

Basins Commission, July 1972

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

2009 Aerial Photography data source: USDA, Service Center Agencies

Reference is Navigation Chart No. 18587.

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

Soundings are shown in feet and indicate depths below MLLW.

(NAVD88 Geoid 9 )at Coos Bay City, 1.11 feet at Coos Bay Corps Dock and 1.07 feet at Eastside.

Vertical Datum is Mean Lower Low Water (MLLW ). MLLW is 1.07 feet below North American Vertical Datum of 1988

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

Control is by USACE.

X COORDINATE X COORDINATE X COORDINATEY COORDINATE

G

H

I

J

K

L

Y COORDINATE

M

N

O

Y COORDINATE

DREDGE AREA COORDINATES

P

Q

A

B

C

E

D

FLOOD

EBB

LEGEND

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

River Mileage from Mouth

Front

Flow Arrows Straight

Harbor Lines

State Boundary

Benchmarks

Gages Staff Recording

Rear

Tidal

Aids to Navigation

Lighthouses

Lights Fixed Flashing, Occulting

Lighted Ranges Front Rear

Lighted Buoys

Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons Port Starboard

Seasonal Lights and Lighted Dredging Ranges

NOTES

SCALE IN FEET

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

OF YOUR CONTRACT

SAFETY IS A PART

U S

A

R M

Y C

O R

P S

O F

E N

G

IN

E E

R S

P O

R T

L A

N D

D

IS

T R

IC

T

P O

R T

L A

N D

O

R

C H

A N

N E

L S

A N

D H

A R

B O

R S

P R

O J E

C T

O P

E R

A T

IO

N

S D

IV

IS

IO

N

M A

IN

T

E N

A N

C E

D R

E D

G

IN

G

C

O O

S B

A Y

U P

R

IV

E R

C L

A M

S H

E

R M

T

O

P L

A N

N

IN

G L

A Y

O U

T D

R A

W

IN

G

500' 500' 1000' 1500' 1200'

Y COORDINATEX COORDINATE

V

U

T

S

W

R

N

F

3935342.19 640453.80

3935781.78 639309.54

639729.00

640645.01

641947.44

642664.23

643102.33

643616.083935175.24

3935063.29

3934934.97

3934725.03

3934672.18

3935163.65

3934488.91 645796.07

3935932.96 640052.91

639828.40

639892.64

639683.10

639304.10

639253.12

639272.223936093.74

3936253.42

3936399.02

3937481.57

3937426.86

3936798.04

640806.29

641384.06

641683.83

642790.82

643984.45

644534.693935730.68

3935849.17

3935388.86

3935064.62

3935052.46

3935153.07

3934350.35 645985.28

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

H

J

K

L

M

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P

S U

B M

IT

T

E D

B Y

C H

E C

K E

D B

Y

D R

A W

N B

Y

C O

N T

R A

C T

N O

S O

L

IC

IT

A

T

IO

N N

O

IS

S

U E

D A

T E

S I Z

E

M A

R K

D E

S C

R

IP

T

IO

N D

A T

E

T S

G

W N

B

-F E

B -2

A W

A R

D D

A T

E

J U

L -2

K A

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A G

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L L

IS

D E

S

IG

N E

D B

Y

P P

R

P P

R

CBU-CB2-000

SHEET ID

:3

SITE INFORMATION

FOR PLACEMENT

CBU-DISP-000

SEE DRAWING

X COORDINATE Y COORDINATE

X

Y

Z

AA

3935245.40 643938.08

3935162.51 644323.01

3934802.37 644894.61

3934044.64 645752.44

N.T.S.

CL

REQUIRED DREDGING DEPTH

503' 202'40

36 ft. MLLW

37 ft. MLLWMAXIMUM PAY DREDGING DEPTH

STA: 14+35+00

CROSS SECTION A-A

DEPTHS AND STATIONING

35 20 23.00 82 FOR DREDGING

SEE SPECIFICATION SECTION

PRE/POST

PREVIOUSLY CLEARED TO 38 FEET

P

A

C

I F

I C

O

C

E

N

COOS BAY ENTRANCE

X ,8

,0

X ,8

,0

Y

0,0

Y

0,0

Y

0,0

X ,9

,0

X ,8

,0

**NO MATERIAL PLACEMENT**

SITE F

360 FEET BY 360 FEET

CELLS ARE APPROXIMATELY

SITE H

OPERATIONS

DETAILS REGARDING PLACEMENT

SEE DISPOSAL PLAN FOR

A

B

C

D

X COORDINATE Y COORDINATE

SITE H COORDINATES

R W

K

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

H

J

K

L

M

N

P

S U

B M

IT

T

E D

B Y

C H

E C

K E

D B

Y

D R

A W

N B

Y

C O

N T

R A

C T

N O

S O

L

IC

IT

A

T

IO

N N

O

IS

S

U E

D A

T E

S I Z

E

M A

R K

D E

S C

R

IP

T

IO

N D

A T

E

FLOOD

EBB

LEGEND

Primary Control Point

Coordinated Survey Points

Uncoordinated Survey Points

Dredging Ranges

River Mileage from Mouth

Front

Flow Arrows Straight

Harbor Lines

State Boundary

Benchmarks

Gages Staff Recording

Rear

Tidal

Aids to Navigation

Lighthouses

Lights Fixed Flashing, Occulting

Lighted Ranges Front Rear

Lighted Buoys

Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons Port Starboard

Seasonal Lights and Lighted Dredging Ranges

NOTES

SCALE IN FEET

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

OF YOUR CONTRACT

SAFETY IS A PART

U

S

A R

M Y

C O

R P

S O

F E

N G

IN

E

E R

S

P O

R T

L A

N D

D

IS

T R

IC

T

P O

R T

L A

N D

O

R

C H

A N

N E

L S

A N

D H

A R

B O

R S

P R

O J E

C T

O P

E R

A T

IO

N

S D

IV

IS

IO

N

P P

R

STAFF GAGE AT CHARLESTON: Northing: 635355 Easting 3904647

River Basins Commission, June 1968.

River mileage conforms to the River Mile Index of the Hydrology and HydraulicsCommittee, Pacific Northwest below the North American Vertical Datum (NAVD 88)at Charleston.

Soundings are shown in feet and indicate depths below Mean Lower Low Water 1983-2001. MLLW is 0.51 feet

Vertical Datum:

Zone. Distance units in U.S. Survey Feet.

North American Datum of 1983 (NAD83), projected to the State Plane Coordinate System (SPCS), Oregon South

Horizontal Coordinate System:

W N

B

-M

A R

-2

M A

IN

T

E N

A N

C E

D R

E D

G

IN

G

C

O O

S B

A Y

U P

R

IV

E R

C L

A M

S H

E

W

A R

D D

A T

E

K A

R L

A G

E

L L

IS

D E

S

IG

N E

D B

Y

T S

G

T S

G

CBU-DISP-000

SHEET ID

P L

A C

E M

E N

T S

IT

E

H

P L

A N

N

IN

G L

A Y

O U

T D

R A

W

IN

G

N

1000' 1000' 2000' 3000' 4000'

:1

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

656216.98

Y

0,0

Y

0,0

Y

0,0

Y

0,0

X ,9

,0

C

D

E F G

K L

O

R W V

X

AA

B

H I J

P

Q

ST

U

Z

A

M N

Y

AB

S

T

U

V

W

X

Y

Z

AA

AB

Y

0,0

3889118.35

654832.093890128.69

653764.11

3886497.82

656475.053886723.45

3887197.44 657017.19

3886960.32 656745.98

657045.63

656803.21

3887434.45 657288.28

3887700.62

3887966.53

656560.683888232.57

3888498.61 656318.14

656075.573888764.69

655833.093889030.68

655590.49

655347.93

3889828.81

3889562.86

3889296.79

655105.48

3889879.31

3889631.87

3889384.43

654568.49

654306.93

654045.37

3888841.06

3886738.34

3887789.67

655991.85

655007.79

654023.66

3888578.26

3887001.13

3888052.52

655745.88

654761.76

654269.65

3888315.37

3887526.85

655499.953887264.07

655253.79

654515.72

CBCLAM24_Advertise_Plans
00-CBU-TLT-000
01-CBU-IND-000
02-CBU-OVR-000
03-CBU-CB1-000
04-CBU-CB2-000
05-CBU-DISP-000

CBCLAM24_Advertise_Plans_Edited531

File details come from the government source that posted it. Updated .