WCH25_PLANS_DRAFT.pdf

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West Coast Hopper Maintenance Dredging 2025
Solicitation number
W9127N25B0005
Issued by

About this file

This file contains 13 engineering drawings and technical specifications for the West Coast Hopper Maintenance Dredging 2025 project (Solicitation W9127N25B0005) issued by the US Army Corps of Engineers Portland District.

The drawings detail dredging locations and placement sites across four areas: Humboldt Bay (CA), Lower Columbia River (OR/WA), Coos Bay (OR), and Mouth of Columbia River (OR/WA). Specific technical details include dredging depths, cross-sections, placement site coordinates, disposal areas, and survey data. Key features shown include the Humboldt Bay entrance channel requiring 45-47 ft MLLW depths, Lower Columbia River areas requiring 45-46 ft CRD depths, Coos Bay requiring 48-50 ft MLLW depths, and MCR requiring 55-60 ft MLLW depths in various sections. The drawings provide detailed coordinates, water depths, and disposal site specifications for all dredging locations, including placement sites like Hoods, shallow water sites, deep water sites, and jetty sites. Survey dates from 2023 are referenced throughout the drawings.

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Text version

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US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

7 8 9 10 11 12 13 14 15

SOLICITATION NO.: W9127N25B0005

DANIEL F. HOWARD

CHIEF, NAVIGATION DIVISION

PATRICK L. DUYCK, P.E.

SIGNATURES AFFIXED HEREON INDICATE OFFICIAL

RECOMMENDATION AND APPROVAL OF ALL THE

DRAWINGS IN THIS SET

KARLA G. ELLIS

DEPUTY CHIEF, NAVIGATION DIVISION

CHIEF, ENGINEERING AND CONSTRUCTION DIVISION

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

COLONEL, EN

COMMANDING

DATE:

16 17 18 19 20

DRAFT

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2 3

MOUTH OF

COLUMBIA

RIVER

PROJECT

LOCATIONS

1'

COOS BAY

(,.,0

HUMBOLDT BAY

4 5

LOWER COLUMBIA

RIVER

(RM 3 -105)

6 7

OREGON

CALIFORNIA

8 9

I

10 11

FILE DRAWING

NAME NUMBER

WCH-IND-000 1

WCH-HUM-000 2

WCH-HUM-DISP1-000 3

WCH-LCR1-000 4

WCH-LCR2-000 5

WCH-LCR-DISP1-000 6

WCH-LCR-DISP2-000 7

WCH-LCR-DISP3-000 8

WCH-COO-000 9

WCH-COO-DISP1-000 10

WCH-MCR-000 11

WCH-MCR-DISP1-000 12

WCH-MCR-DISP2-000 13

12 13 14 15 16 17

DRAWING

DESCRIPTION

INDEX SHEET AND VICINITY MAP

HUMBOLDT BAY- PLANNING LAYOUT DRAWING (BIN MEASURE TO REQUIRED DEPTH)

HUMBOLDT BAY- PLACEMENT SITE LAYOUT DRAWING

LOWER COLUMBIA RIVER- PLANNING LAYOUT DRAWING (PRE/ POST)

LOWER COLUMBIA RIVER- PLANNING LAYOUT DRAWING (BIN MEASURE TO REQUIRED DEPTH)

LOWER COLUMBIA RIVER- EXAMPLE PLACEMENT SITE LAYOUT DRAWING 1

LOWER COLUMBIA RIVER- EXAMPLE PLACEMENT SITE LAYOUT DRAWING 2

LOWER COLUMBIA RIVER- EXAMPLE PLACEMENT SITE LAYOUT DRAWING 2

COOS BAY - PLANNING & PLACEMENT LAYOUT DRAWING (BIN MEASURE TO REQUIRED DEPTH)

COOS BAY- PLACEMENT SITE LAYOUT DRAWING

MOUTH OF THE COLUMBIA RIVER- PLANNING LAYOUT DRAWING (BIN MEASURE)

MOUTH OF THE COLUMBIA RIVER- PLACEMENT SITE LAYOUT DRAWING 1 (SWS, NJS, DWS)

MOUTH OF THE COLUMBIA RIVER- PLACEMENT SITE LAYOUT DRAWING 2 (SJS)

WEST COAST HOPPER

MAINTENANCE DREDGING 2025

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US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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PLACEMENT SITE INFO

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DOWNSTREAM LIMIT

OF DREDGE AREA

STA000+0O

X COORDINATE

5936596.69

5940404.09

5943666.09

5944727.49

5945752.39

5946464.09

5946953.59

5947831.59

5947950.32

4 5 6 7

MAXIMUM PAY DEPTH

SEE SPECIFICATION SECTION 35 20 23.00 82

SUBPART 3.1.4 FOR DETAILS ON DREDGING DEPTHS

DREDGE AREA COORDINATES

Y COORDINATE X COORDINATE Y COORDINATE

2173163.63 J 5948410.96 2169922.72

2171258.93 K 5948301.49 2169794.33

2166944.43 L 5947388.59 2168234.23

2166468.93 M 5946669.44 2166959.23

2166911.73 N 5945672.89 2165192.43

2167631.33 0 5945354.09 2165254.63

2168479.53 p 5943441.39 2166261.63

2170042.13 Q 5940126.19 2170287.93

2170251.42 R 5935950.29 2171151.43

9 10 11 12

BIN MEASURED TO REQUIRED DEPTH

950'

SURVEY DATE

MAR-2023

CROSS SECTION A - A

STA033+00

N.T.S

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950'

45 ft MLLW 47 ft MLLW

45 FT CONTOUR (MLLW )

47 FT CONTOUR (MLLW)

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17 18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

SCALE IN FEET

500' 0 500' 1000' 1500' 2000'

!:!.Q.ill

Control is by USAGE and NOS-C&GS.

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

83. U.S. Survey Feet).

Vertical datum is Mean Lower Low Water (MLLW).

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 Aerial Photogrpahy taken by ESRI. I-CUBED. & USDA 2012.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

TIDE GAGE USCG FUEL DOCK Northing: 5947655.31 Easting: 2170491.43

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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OF YOUR CONTRACT

SAFETY IS A PART

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Coordinated Survey Points

Uncoordinated Survey Points

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River Mileage from Mouth

Front

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State Boundary

Benchmarks

Gages Staff Recording

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Aids to Navigation

Lighthouses

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Unlighted Buoys Port Starboard Mid Channel Junction

Daybeacons Port Starboard

Seasonal Lights and Lighted Dredging Ranges

NOTESLEGEND

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SURVEY DATE

H O

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dates indicated and can only be considered as indicating the general condition existing The information depicted on this map represents the results of surveys made on the

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

Reference is Navigation Chart No. 18649 Elevations are shown thus: +2, indicating height in feet above MLLW.

Soundings are shown in feet and indicate depths below MLLW.

Vertical datum is Mean Lower Low Water (MLLW).

83, U.S. Survey Feet).

Horizontal coordinates are based on the Lambert Projection for California Zone 1 (NAD Control is by USACE and NOS-C&GS.

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AREA COORDINATES

X COORDINATE Y COORDINATE

A 7492599.48 915742.14

B 7492805.72 915761.84

C 7500045.99 917392.73

D 7500698.36 917671.95

E 7500880.54 916863.17

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13-JUL-2023

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SEE SPECIFICATION SECTION 35 20 23.00 82

SUBPART 3.1.4 FOR DETAILS ON DREDGING DEPTHS

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Unlighted Buoys '1>o"i1' ___ !l'a;i;'oa __ ffl'dGhaoniiT __ .iuncilon _ . __ Daybeacon,s _______________ Port_ _stuboanf -A *' Seasonal Lights and Lighted Dredging Range a... __________ � , 17 18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

500'

--------45FTCRD

-------- 46 FTCRD

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EXAMPLE ACCEPTANCE AREA

UPSTREAM LIMIT

RM 48+40+00

SCALE IN FEET

0 500' 1000' 1500' 2000' tt.Qfil

Control is by USACE and NOS-C&GS.

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

Vertical datum is Columbia River Dalum. CRD is 1.67 feet above North American Vertical Datum of 1968 (NAVDBB Geoid 09) at Columbia River Mile 47.3.

Soundings are shown in feet and indicate depths below CRD.

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

Reference is Navigation Chart No. 18523.

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

River Mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission, July 1972.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

STAFF GAGE AT WESTPORT RANGE: Northing: 915247 Easting:7478738

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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AREA COORDINATES

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7553434.08 918681.63

7554475.91 918258.57

7559621.72 913787.29

7559195.39 913296.63

7555040.61 916906.79

7553176.81 918048.05

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29-JUN-2023

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MAXIMUM PAY DEPTH --------

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RIVER MILE: 60+25+00

N.T.S.

46 FT CONTOUR CRD

4 7 FT CONTOUR CRD

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SAFETY IS A PART

OF YOUR CONTRACT

________ 46 FTCRD

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POINT

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UPSTREAM LIMIT

RM 61+25+00

D/1<£ 61.40

Primary Control PoinL ____ -i Benchmarks..... ________ X Coordinated Survey Points..___ Gages StafL.f-l-, .Recording..C:)- Uncoardinated Survey Points...__ LJ ... O Dredging Ranges_ Front-__ _ ____ -

-___ -Rear_.

River Mileage from Mouth ___________ .- Flow Arrows ____ Straight..__ _ _ _ _ _ _ _ _ __ , TldaL _ 1 \: 1 State Bo¥ndary<>----o-:,_--o-____ :.-a-__ • h r Harbor Lines ---------- --------

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500' 0

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SCALE IN FEET

500' 1000' 1500' 2000' - - - -- -- -tt.Qfil

Control is by USACE and NOS-C&GS.

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

Vertical datum is Columbia River Datum. CR□ is 2.32 feet above North American Vertical Datum of 1988 (NAVD88 Geoid 09) at Columbia River Mile 61.7.

Soundings are shown in feet and indicate depths below CRD.

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

Reference is Navigation Chart No. 18524.

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

River Mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission, July 1972.

The information depicted on this map represents the results of surveys made on the dates Indicated and can only be considered as Indicating the general condition existing at that time

STAFF GAGE AT LITE 13: Northing: 913408 Easting:7560738

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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PLACEMENT SITE W-35.3-IW

CONTROLLING DEPTH: 39 FT CRD

POINT DUMP EACH LOAD. DISTRIBUTE LOADS

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MAX QUANTITY: 46,000 CY. +/- 2000 CY

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W-35.3-IW COORDINATES W-35.7-IW COORDINATES

X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

A 7459409.00 955647.00 E 7460743.30 953140.70

B 7460362.00 953785.00 F 7461378.40 951844.00

C 7460000.00 953556.00 G 7461188.00 951755.00

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X COORDINATE Y COORDINATE

7461638.00 951102.00

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L 7461385.00 951070.00

I I 20 30

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EXAMPLE

PLACEMENT SITE W-35.7-IW

CONTROLLING DEPTH: 44 FT CRD

POINT DUMP EACH LOAD. DISTRIBUTE LOADS

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MAX QUANTITY: 20,000 CY. +/- 2000 CY

MAX DEPOSITION: 10 FT

TEN

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W-36.5-IW COORDINATES

X COORDINATE Y COORDINATE

M 7461923.40 949101.50 -I>

7462185.00 947519.30 -�

0 7461929.00 947480.00 SURVEY DATE

p 7461682.00 949071.00 12 -JUN-2023

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SAFETY IS A PART

EXAMPLE

PLACEMENT SITE W-36.1-IW

OF YOUR CONTRACT

CONTROLLING DEPTH: 44 FT CRD �-"

POINT DUMP EACH LOAD. DISTRIBUTE LOADS

EVENLY THROUGHOUT SITE

MAX QUANTITY: 20,000 CY. +/- 2000 CY

MAX DEPOSITION: 10 FT

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Puget Island Range Rear, Isa W Skamokawa Range Rear, Isa W

EXAMPLE

I So

S3 / ".?s

PLACEMENT SITE W-36.5-IW

CONTROLLING DEPTH: 45 FT CRD

POINT DUMP EACH LOAD. DISTRIBUTE LOADS

EVENLY THROUGHOUT SITE

MAX QUANTITY: 20,000 CY. +/- 2000 CY

MAX DEPOSITION: 10 FT

LEGEND

Primary Control PoinL ____ -

Benchmark&.... ______ X Coordinated Survey Points..___ Gages Staf� .Recording..(;)- Uncoordinated Survey Points.. - - LJ .. O Dredging Ranges_ Fronf_ _ _ _ ____ -

- ___ -Rear_ ♦

River Mileage from Mouth ___________ .- Flow Arrows ____ StraighL _________ , ___ ,TidaL •

State Bo�ndaryo--..--------'--o---

-o " 1

Harbor Lines ---------- --------

.!J11J..s t2 !!uiqation :

Lighthouses_-�-________ --�-________ ::*•• L(ghts,_ --Find. _Flssbl�!:l,;. Ocoultlng, :.r..,• ...J.... •• , .,,.

L,ghted Ra,geL _ -li.'.:.�'°"':J'I:�

- - - - • lt,_,,.-� �

• � Lighted Buoys. _ -II."- :.. _ _ � _

Unlighted Buoys.. J'o� - . - !a[o� - _ ,!d!!i�n&l'� - - !§n!'on - . T - Daybeacons _______________ Pon_llf _stuboant _A * Seasonal Lights and Lighted Dredging Ranges... __________ �

SCALE IN FEET

500' 0 500' 1000' 1500' 2000' - - - -- -- -

Control is by USAGE and NOS-C&GS.

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

Vertical datum is Columbia River Datum. CRD is 1.37 feet above North American Vertical Datum of 1988 (NAVDBB Geoid 09) at Columbia River Mile 34.8 Soundings are shown in feet and indicate depths below CRD.

Elevations are shown thus: +2, Indicating height In feet above CRD.

Reference is Navigation Chart No. 18523.

2009 Aerial Photography data source: USDA, Service Center Agencies.

River Mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission, July 1972.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

STAFF GAGE AT LIGHT 39 Northing: 947859 Easting: 7482382

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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EXAMPLE {f?

O-34.1-IW COORDINATES "

B

X COORDINATE Y COORDINATE

A 7453711.00 959248.00

B 7455279.90 957558.90 ' ' C 7454771.60 957124.20

A

D 7453338.00 958302.00 SURVEY DATE

E 7453097.00 958762.00 13-JUN-2023

14 15 16 17 18 19 20

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N G T 0 N

SAFETY IS A PART

OF YOUR CONTRACT

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OREGON

I

MAX QUANTITY: 8,000 CY. +/- 2000 CY

MAX DEPOSITION: 1.5 FT

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LEGEND

Primary Control PoinL ____ -

Benchmark&.... ______ X Coordinated Survey Points..___ Gages Staf� .Recording..(;)- Uncoordinated Survey Points.. - - LJ .. ODredging Ranges_ Fronf_ _ _ _ _ ___ -

- ___ -Rear_ ,O

River Mileage from Mouth _ _ _ _ _ _ _ _ _ _ _

Flow Arrows ___ .StraighL _________ , ___ , TidaL • + State Bo�ndary ______________ -o " 1 Harbor Lines ---------- --------

.!J11J..s t2 !!uiqation :

.. * .. Lighthouses_-�-________ --�-________ - L(ghts,_ - -Find. _Flssbl�!:l,;. Ocoultlng, :.r..,• ...J..... •• , .,,. L,ghted Ra,geL _ -�li..:.�'°"':J'I:-�· -----lt,_,,.-� �

• � Lighted Buoys. _ -II."- :.. _ _ � _ Unlighted Buoys.. J'o� - . - !a[o� - _ ,!d!!i�n&l' - - !§n!'on - . T -Daybeacons _______________ Pon_llf _stuboant _A * Seasonal Lights and Lighted Dredging Ranges.. __________ � � •

SCALE IN FEET

500' 0 500' 1000' 1500' 2000' - - - -- -- - !:l.Q1£§.

Control is by USA CE and NOS-C&GS.

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

Vertical datum is Columbia River Datum. CRD is 1.37 feat above North American Vertical Datum of 1988 (NAVD88 Geoid 09) at Columbia River Mife 34.6 Soundings are shown in feet and indicate depths befow CRD.

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

Reference is Navigation Chart No. 18523.

2009 Aerial Photography data source: USDA, Service Center Agencies.

River Mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission, July 1972 .

The information depicted on this map represents the resufts of surveys made on the dates Indicated and can only be considered as Indicating the general condition existing at that time.

STAFF GAGE AT LIGHT 39 Northing: 947859 Easting: 74623B2

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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EXAMPLE

PLACEMENT SITE W-44.5-IW-T

CONTROLLING DEPTH: -33 FT CRD

PLACE LOADS WITHIN EACH CELL TO THE MAXIMUM FILL ELEVATION.

CELL A-B-C-F

MAX QUANTITY: 181,000 CY. +/- 2000 CY

MAX FILL ELEVATION: -30 FT CRD

CELL F-C-D-E

MAX QUANTITY: 67,000 CY. +/- 2000 CY

MAX FILL ELEVATION: -37 FT CRD

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W-44.5-IW-T COORDINATES

X COORDINATE Y COORDINATE

B A 7476605.66 917414.39

B 7480398.59 916506.81

C 7480363.69 916360.93

D 7480328.78 916215.04 A

E 7476535.85 917122.62

F 7476570.76 917268.50

I

SURVEY DATES

17-JUL-2024

24-JUN-2024

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LEGEND

Primary Control PoinL ____ -A Benchmarks_ ________ X Coordinated Survey Pointt... __ -@ GagBs StafLf-l-,. .Racording_£- Uncoordinated Survey Pointa._ _ -0 LJ D Dredging Ranges_ Front ___ L'§]- ____ -

_Rear_ �

River M1/er1ge from Mouth ___________ � f � Flow Arrows ____ StraighL _________ , ___ ,T1daL :.1 , State Boundary o--_-o-__ ..,__ _____ o--_� ' FLu·· JC"

Harbor Lines --- ---------------

Aids t.g Navigation

17 18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

t.O

\ WASHINGTON

OREGON

:1,0

SCALE IN FEET

500' 0 500' 1000' 1500' 2000' - - - -- --- --

NOTES

Control Is by USAGE and NOS-C&GS.

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

Vertical datum is Columbia River Datum. CRD is 1.49 feet above North American Vertical Datum of 1988 (NAVD88 Geoid 09) at Columbia River Mile 44.6 Soundings are shown in feet end indicate depths below CRD.

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

Reference is Navigation Chart No. 18523.

2009 Aerial Photography data source: USDA, Service Center Agencies.

River Mileage conforms to the River Mlle Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission, July 1972.

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

STAFF GAGE AT DIKE 44.58 Northing: 915247 Easting: 7478738 ffl

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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WCH-LCR-DISP3-000

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SEE DRAWING

WCH-COO-DISP1-000

FOR ADDITIONAL

PLACEMENT SITE INFO

REQUIRED DEPTH-------�_ .. �m:'�,..:.n-,..,.

50 MAXIMUM PAY DEPTH --------

361'

DREDGE AREA COORDINATES

X COORDINATE Y COORDINATE

3895067.22 641968.50

3899796.19 639151.33

3899598.74 638787.12 SURVEY DATE

3894 654.16 641206.58 13-OCT-2023

7 8

SlTE F-OS

ACCEPTANCE AREA 1

DOWNSTREAM LIMIT

RM 00-20-00

9 10 11 12 13 14

SITE F-NS

15 16 17 18

UPSTREAM LI

1° RM 00+35+00

19 20

SAFETY IS A PART

OF YOUR CONTRACT

I

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D 47464&46474646f544444J434242424241414142 41114041404040403 3939394040414

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TRANSmON ZONE

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CROSS SECTION A - A

RIVER MILE: 00-05-00

N.T.S.

382'

---,--_JI'3

________ 48 FT MLLW

-------- 50 FT MLLW

REQUIRED DEPTH CONTOUR MLLW

MAX PAY DEPTH CONTOUR MLLW

DREDGING DEPTH NOTED AT EACH AREA OF TRANSITION

SHOWS THE REQUIRED DEPTH PLUS ANY PAID OVER DEPTH

EXAMPLE: 48' + 2' INTERPRETED AS

48' MLLW REQUIRED AND 2' PAID OVER DEPTH

Prima�y Control PoinL ____ -� Benchmarks_ X Coordine,ted Survey Point� - - -@ Geges Staf u

_ -::ReCOrd;Tlift

Uncoordinated Survey Points..._ -0 D�edginv Ranges_ Front-__ @-____ -

-___ -Rear- A

River Mileage from Mouth ___________ \WJ "81' Flow Arr�ws ___ _ StraighL TideL 1 FIIB

Harbor Lines �----<,_.:..====--:.�:..=..'.=-==..:.:� < , State Boundary - -�----- ------..!.!:!!!!!!_

Aids J.p Navigation

Lighthouses .±, ',*' _, L(ghts.... - _fu�""i -=-� -

-=_Fla.hi�� -o-;,;uttin;-�:-:- ---- -

- - - :;: 0 ,, Lightsd Ranges....___ _ F,an*�� , • � �

� Lighted Buoys____ _ _ ,_ .:...t\� - - - - - -Rear-

Un/ighted Buoys_ Po,{� __ Starboa�

-.iiTdChiiinif� _ -Jij"ntiJ7o� __ � Deybeacon�-___ --; __________ Part_[I] _starboard_.&, ...l,_-Seasonal Lights and Lighted Dredging Ranges.... __________ -

SCALE IN FEET

500' 0 500' 1000' 1500' 2000' - -- -- --

NOTES

Horizontal Coordinate System:

North American Datum of 1983 (NAD83), projected to the Stets Plane Coordinate System (SPCS), Oregon South Zone. Distance units in U.S. Survey Feat.

Vertical Datum:

Soundings ere shown in feet and indicate dep/hs below Mean Lower Low Weter 1983-2001. MLLW is 0.51 feet below the North American Vertical Datum (NAVO 88) at Charleston.

River mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basins Commission, June f968.

The information depleted on this map represents the results of a survey conducted on the date indicated and can only be considered to represent the general condition existing at that time.

STAFF GAGE AT CHARLESTON· Northing: 635355 Easting: 3904547

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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X COORDINATE y COORDINATE X COORDINATE y COORDINATE

A 3886891.98 648800.00 C 3899998.70 650877.09

B 3891410.49 655380.79 D 3895669.71 642815.28

C 3899998.70 650877.09 E 3904865.64 648324.84

D 3895669.71 642815.28 F 3899413.56 640262.70 <lf,ef>), 14 15 16 17 18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

C SITE F - NS

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� 12 Naviqation

.. *" ..• ----Lighthouses_

- - - -.- - - -:--� - - - - -* .... , ••Ugh!'- - -""' _e,,.,;, '"""'"•-,,... t<:,_e,.~

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TRANSITIO�ZONE

�'4� OTPROJECT #' 43' i' �1· I "°' I 39' I 30' l 37FO

SCALE IN FEET

I

,I, 1000' 0 1000' 2000' 3000' - - -- ..fi2.ll.S

Control is by USACE and N 1h OSj_c �i:,f�d ro?:c7i� i, for Oregon, South Zone (NAD B3, Coord inates ere based on e a U.S. Survey Feet).

. W 1 (MLLW is 4 04 feet below Nat ional Geodetic Datum is Mean Lower Low a er. · . G d stat ion 4 OB feet at Empire , d vertical Datum at t�e Coa:\ uar 4_5 9 feet 'at "the North Bend Boat Ramp an 4.27 feet at the Railroa d ' k

{\9Coos Bay 19 47 Adjustments.) 4 93 feet at the C of E cc a

��."v"a�:��: :;: :��:: I� J:���-�?n�11�1t�t�:9�r ;�•1i:i.�t�; �LLl'V ;;;:;; The MLLW plane is shown thus. . ,...;:..:.,.....--.......,_,-,...., _ _. ,. The project depth cu�ve Is sho

1t t�� s 57 Reference is Nav igation Chart o.

• • re resents th e results of surveysThe informat ion_ d�p1cted 0n/h1s m �f,y bg considered as indicating th e made on the dates indicated an c�n ° general condition existing at that time.

North ing: B3535 5 East ing: 3904647 TIDE GAGE AT CHARLESTON:

4000'

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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FOR ADDITIONAL

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PLACEMENT SITE INFO

M ' \

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Y96o,oo0

K

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DREDGE AREA COORDINATES

B X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

A 7283671.95 954135.07 7305477.82 963596.14

B 7295521.09 964927.45 J 7303857.15 963384.90

C 7302451.62 965859.62 K 7300341.45 962912.02

D 7303734.50 966024.49 L 7297879.37 962580.87

E 7305031.49 966086.12 M 7295802.12 961612.50 A

F 7305573.62 966061.78 N 7285449.25 952182.94

G 7305632.11 964219.07 0 7285018.39 952656.18

H 7305651.20 963617.34

6 7 g C

SURVEY DATE

DD-MMM-YYYY

PROJECT DEPTH

ADV. MAINT. DEPTH

8 9

QUAD 1

&3

55' --

60' --

10 11 12 13

.·· $!.Jl3_"'1ERGEO

HYDROSURVEY DATA SHOWN

IS INTENDED TO BE REPRESENTATIVE

OF CONDITIONS AT TIME OF DREDGING

•,;:·::::::·,- ... .......... �f!.BMERGEO

QUAD2

&4

48' --

53' --

15 16 C .c

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APPROX. LOCATION

OF MV TITAN (2015)

X: 7305488 Y: 966426

18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

0572 MID

r-----:► 8 OesflemOl1(/ ds L-1ng.

. nw

CROSS SECTION A- A

RM -01-15-00

QUADRANT1------t•I

30'

40'

50'

60'

1320' 1000' 500' l---auADRANT2---I

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CROSS SECTION B - B

RM 01+15+00

QUADRANT3------i•I

30'

40'

50'

60'

1320' 1000' 500'

Primary Control PoinL ____ -i Benchmarks_ ________ X Coordinated Survey Points..___ Geges StatL.f-1-. .Recording..0,- Uncoordinated Survey Points.._ - LJ ._ D Dredging Ranges_ Front-__ _ ____ -

-___ -Rear_ O

River Mileage from Mouth _ _ _ _ _ _ _ _ _ _ _ 11 Flow Arr�ws ____ Straight.. _________ ___ TidaL. _ ◄•: •

Harbor Lines o-e:.:::.;::._.,;:.�=s;;._-

,_..c.-o--..., n r ���u•�------------------

� J.2 Naviqation :

.. * .. Lighthouses

Ugh!'- __ ,,,., _e,,.,;,� oeo,m,,-,,...

Lightsd Ranges...__ _ F,on

- - - - - • -Rear-

Unlighted Buoys.. -,,07!

�arn'oa __ Dl'd?'hanniT� __ Jiintili'o" _ . __

Lighted Buoys.._ _ _ - -

Daybaacons _______________ Port_lif _starboant -A .. *' Seasonal Lights and Lighted Dredging Rangea... __________ -:

� l--auADRANT4--, O'

60' MAX PAY DEPTH MLLW

660' 1320' N.T.S.

SCALE IN FEET

1000' 0 1000' 2000' 3000' 4000' - - - -- -- - !:!..Q.ill

Control is by USAGE and NOS-C&GS .

Horizontal coordinates are based on the Lambert Projection for Oregon, North Zone (NAD 63, U.S. Survey Feet). . Vertical datum is Mean Lower Low Water. (MLLW is 0.23 feet below the North American Vertical Datum (NAVO 68 Geoid 09) at Columbia River Mile 2.0.

Soundings are shown in feet and indicate depths below ML LW.

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

Reference is Navigation Chart No. 18521.

River mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission.July 1972 .

The information depicted on this map_represent_s t�e r�sults of surveys ma�� on t�e . dates indicated and can only be considered as 1nd1cat1ng the general cond1t1on existing at that time.

STAFF G AGE AT HAMMOND BOAT BASIN Northing: 943276 Easting: 7326226 w

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SHALLOW WATER SITE COORDINATES NORTH JETTY SITE COORDINATES

X COORDINATE Y COORDINATE X COORDINATE Y COORDINATE

A 7284720.11 962351.47 E 7295103.82 966637.91

B 7294063.28 966351.52 F 7299039.29 969722.05

C 7294807.76 965604.88 G 7299656.12 968934.96

D 7286956.11 959435.94 H 7295720.65 965850.81

6 7 8 9 10 11 12

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DEEP WATER SITE COORDINATES

X COORDINATE Y COORDINATE

7255538.35 938595.70

J 7258701.76 941088.33

K 7259956.00 939513.00

L 7256802.00 936991.00

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X: 7305488 Y: 966426

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19 20

SAFETY IS A PART

OF YOUR CONTRACT

I

Boker Bay U i:M'er Boy st I SJ.,.oa

SCALE IN FEET

1000' 2000' 3000' 4000'

I

Jtrry,-------;;aa..........=--------+--------------1 � !:!.Q.ill

Primary Control PoinL ____ -i Benchmarks_ ________ X Coordinated Survey Points..___ Geges StatL.f-1-. .Recording..0,- Uncoordinated Survey Points..__ LJ ._ D Dredging Ranges_ Front-__ _ ____ -

-___ -Rear_♦

River Mi/saga from Mouth _ _ _ _ _ _ _ _ _ _ _

Flow Arrows ____ Straight.. _________ ___ TidaL. _ 4 • Harbor Lines 0---...:---0------'-'>-----a • n r ���u•�------------------

� J2 Naviqation

.. *" .. Lighthouses

Lights., __ F,x�d, _Ft .. hi� OeouHing, �

"" 1 •• Ughtod Raogos.... _ -x__:;,,,"'"� - - - - -t<:,-,,.~

• � Lighted Buoys.._ ll.'- _ _ _ � _

Unlighted Buoys_ -,,o71 ___ �arn'oa __ .ffl'd'�)ianniT __ Jijntili'on _ . __ Deybeacons _______________ Part_lif _starbaant -A *'Seasonal Lights and Lighted Dredging Rangea... __________ �

Control is by USAGE and NOS-C&GS.

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

Vertical datum is Mean Lower Low Water. (MLLW is 0.23 feet below the North American Vertical Datum (NAVO 88 Geoid 09) at Columbia River Mile 2.0.

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. 18521.

River mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission.July 1972 .

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

STAFF GAGE AT HAMMOND BOAT BAS IN Northing: 943276 Easting: 7326226

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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Y950,000

Y940,000

SOUTH JETTY SITE COORDINATES

X COORDINATE Y COORDINATE

A 7299123.36 951421.93

B 7305173.77 951422.35

C 7310383.88 944646.84

D 7304333.81 944647.16

X �,., 12 13 14

SOLJTHJE:Try

SOUTH JETTY SITE

PLACEMENT GRID CELLS

570 ft X 605 ft

15 16

DISTANCE FROM RM -02-00-00 CL

TO SJS CENTROID= 3.34 NM

Y940,000

X � ,., Primary Control PoinL ____ -i Benchmarks_ ________ X Coordinated Survey Points..___ Geges StatL.f-1-. .Recording..0,- Uncoordinated Survey Points..__ LJ ._ D Dredging Ranges_ Front-__ _ _ ___ -

-___ -Rear_♦

River Mi/saga from Mouth _ _ _ _ _ _ _ _ _ _ _

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17 18 19 20

SAFETY IS A PART

OF YOUR CONTRACT

Y950,000

SCALE IN FEET

1000' 0 1000' 2000' 3000' 4000'

!:!.Q.ill Control is by USAGE and NOS-C&GS.

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

Vertical datum is Mean Lower Low Water. (MLLW is 0.23 feet below the North American Vertical Datum (NAVD 88 Geoid 09) at Columbia River Mile 2.0.

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. 18521.

River mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin Commission.July 1972 .

The information depicted on this map represents the results of surveys made on the dates indicated and can only be considered as indicating the general condition existing at that time.

STAFF GAGE AT HAMMOND BOAT BAS IN Northing: 943276 Easting: 7326226

Ill

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

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