21B0006_BCOES_Plans.pdf

PDF 24 MB Posted Dec 22, 2020

Attached to: WEST COAST HOPPER MAINTENANCE DREDGING 2021
Solicitation number: W9127N21B0006
Issued by: Department of the Army Corps of Engineers Engineering District Portland

About this file

Written by GovTribe AI · Dec 28, 2023

This notice provides details on an upcoming federal contract opportunity for West Coast hopper maintenance dredging in 2021. The U.S. Army Corps of Engineers, Portland District, intends to issue a solicitation and award a contract for dredging services along the West Coast. A pre-solicitation telephone conference call is scheduled for November 19, 2020 at 10:00 AM Pacific Time to discuss the anticipated scope and schedule of the contract with interested parties. Firms wishing to participate in the call must email the contract specialist by the specified date to receive call-in instructions. This pre-solicitation meeting is intended for market research and planning purposes only and does not constitute an active solicitation. Additional information on requirements and procurement details will be provided in the forthcoming solicitation planned for early 2021.

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DATE:

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

DRAWINGS IN THIS SET

RECOMMENDATION AND APPROVAL OF ALL THE

SIGNATURES AFFIXED HEREON INDICATE OFFICIAL

CHIEF, OPERATIONS DIVISION

DWANE E. WATSEK

MAINTENANCE DREDGING 2021

WEST COAST HOPPER

CHIEF, ENGINEERING AND CONSTRUCTION DIVISION

ELIZABETH R. WELLS, P.E.

CHANNELS AND HARBORS PROJECT

OPERATIONS PROJECT MANAGER

RONALD S. FLODIN, P.E.

COMMANDING

COLONEL, EN

MICHAEL D. HELTON

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

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

U S

A R

M Y C

O R

P S O

F E

N G

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P E

P A

C E

A N

OREGON

LOCATIONS

PROJECT

NEVADA

CALIFORNIA

WASHINGTON

IDAHO

HUMBOLDT BAY

MAINTENANCE DREDGING 2021

WEST COAST HOPPER

E X S

H E

E T

T A

B L E O

F C

O N

T E

N T S V

Y M

A P

NAME

FILE

NUMBER

DRAWING

DESCRIPTION

DRAWING

COLUMBIA RIVER

MOUTH OF

RIVER (RM 3 - 105)

COLUMBIA

11G-002

DRAWING INDEX, GENERAL NOTES, LEGEND, AND ABBREVIATIONS

OCEAN BEACH

G-003 12

VICINITY AND LOCATION MAPS

OCEAN BEACH

G-004 13

BASELINE CONTROL PLAN

OCEAN BEACH

14C-001

EXISTING CONDITIONS

OCEAN BEACH

C-101 15

SITE PLAN 1 & TYPICAL SECTION

OCEAN BEACH

C-102 16

SITE PLAN 2

OCEAN BEACH

C-301 17

CROSS SECTIONS - STA. 2+00 TO 16+00

OCEAN BEACH

C-302 18

CROSS SECTIONS - STA. 18+00 TO 32+00

OCEAN BEACH

WCH-IND-000 1 INDEX SHEET AND VICINITY MAP

WCH-LCR1-000

PLANNING LAYOUT DRAWING(BIN MEASURE TO REQUIRED DEPTH )

COLUMBIA RIVER

WCH-LCR2-000

PLANNING LAYOUT DRAWING (PRE / POST )

COLUMBIA RIVER

WCH-LCR-DISP1-000

EXAMPLE PLACEMENT SITE LAYOUT DRAWING 1

COLUMBIA RIVER

WCH-LCR-DISP2-000

EXAMPLE PLACEMENT SITE LAYOUT DRAWING 2

COLUMBIA RIVER

PLANNING LAYOUT AND PLACEMENT SITE LAYOUT DRAWING

HUMBOLDT BAY

WCH-HUM-000

WCH-MSC-000

PLANNING LAYOUT DRAWING

MAIN SHIP CHANNEL

WCH-MSC-DISP1-000

PLACEMENT SITE LAYOUT DRAWING

MAIN SHIP CHANNEL

WCH-MCR-000

PLANNING LAYOUT DRAWING

MOUTH OF THE COLUMBIA RIVER (MCR )

WCH-MCR-DISP1-000

PLACEMENT SITE LAYOUT DRAWING

MOUTH OF THE COLUMBIA RIVER

OCEAN BEACH

MAINSHIP CHANNEL

SAN FRANCISCO

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

S U

B M

T E

D B

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T N

S O

A T

N N

M A

R K

D E

S C

N D

A T

M B

K A

R L

A G E

L L

M B

T S

G W

C X

X X

P L

O T D

A T

-D

E C -2

DWG 1 OF 18

WCH-IND-000

SHEET ID

Entrance Range Front Light

Entrance Light 4

Entrance Light 3

Buoy 7

Lighted Bell

Entrance Light 11

Entrance Light 6

X ,9 ,0

Y 2, 0, X ,9 ,0

Y 2, 0, A

Y 2, 0, X ,9 ,0

X ,9 ,0

Y 2, 0, X ,9 ,0

X ,9 ,0

Y 2, 0, E

US ARMY CORPS

OF ENGINEERS

PORTLAND DISTRICT

OF YOUR CONTRACT

SAFETY IS A PART

X COORDINATE Y COORDINATE

FLOOD

EBB

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

SCALE IN FEET

U S

A R

M Y C

O R

P S O

F E

N G

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

1000'1000' 0 2000' 3000' 4000'

5936596.69 2173163.63

5940404.08 2171258.93

5943666.08 2166944.43

5944727.48 2166468.93

DREDGE AREA COORDINATES

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P E

NOTESLEGEND

P L

A N

G L

A Y

O U

T D

R A

N.T.S.

MAXIMUM PAY DEPTH

REQUIRED DEPTH

S T

O S

T A

43 ft MLLW

45 ft MLLW

BIN MEASURED TO REQUIRED DEPTH

STA 033+00

CROSS SECTION A - A

TIDE GAGE USCG FUEL DOCK Northing: 5947655.31 Easting: 2170491.43 at that time.

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.

H U

M B

O L

D T B

A Y B

A R E

N T

R A

N C

E C

H A

N N

E L

120+

130+00

Buoy 2

Lighted Bell

C D

F G H

I J

Buoy 5

Lighted Bell

135+00

Buoy 9

Lighted

Buoy 10

Lighted

Buoy 8

Lighted Bell

X COORDINATE Y COORDINATE

5945672.95 2165192.55

5945354.08 2165254.63

5943441.38 2166261.63

2170287.93

X COORDINATE Y COORDINATE

5925111.39 2185237.90

5928137.61 2188645.01

5931544.72 2185618.79

5930872.23 2184861.66

HOODS PLACEMENT SITE COORDINATES

R S

HOODS PLACEMENT SITE

5927843.68 2187551.62

5925489.96 2184901.65

Y 2, 0, 950' 950'

5945752.38 2166911.73

5946464.09 2167631.33

5946474.14 2167648.76

5946881.44 2167335.06

5935950.29 2171151.43

5940126.18

WILL BE ALLOWED.

DREDGING OF THE TWO AREAS CONCURRENTLY

ALLOW FOR TWO FEET PAID OVER DEPTH.

REQUIRED DEPTH, HOWEVER BOTH AREAS WILL

INTO TWO ACCEPTANCE AREAS WITH DIFFERENT

NOTE: THE GOVT. MAY DIVIDE THE HUM WORK AREA

12-JUL-2020

HOODS SURVEY

43 FT CONTOUR (MLLW )

45 FT CONTOUR (MLLW )

29-MAY-2020

HUM SURVEY

X ,9 ,0

BE DETERMINED BASED ON PRE-DREDGE SURVEY

ACTUAL DREDGING DEPTHS AND STATIONING TO

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

S U

B M

T E

D B

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T N

S O

A T

N N

M A

R K

D E

S C

N D

A T

M B

K A

R L

A G E

L L

M B

T S

G W

C X

X X

P L

O T D

A T

-D

E C -2

Y: 2170568.45

X: 5938573.94

OF LOST SINKER (2010)

APPROX. LOCATION

Y: 2170244.03

X: 5938727.38

OF LOST SINKER (2010)

APPROX. LOCATION

Y: 2170568.45

X: 5939256.08

OF LOST SINKER (2016)

APPROX. LOCATION

Y: 2167280.63

X: 5943639.30

OF LOST SINKER (2009)

APPROX. LOCATION

CHAIN AND BRIDLE

AROUND CENTER FOR

LOCATION WITH 150' STANDOFF

BUOY 9 SINKER LAST VERIFIED

DWG 2 OF 18

WCH-HUM-000

X COORDINATE Y COORDINATE

N.T.S.

MAXIMUM PAY DEPTH

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

REQUIRED DEPTH

U S

A R

M Y C

O R

P S O

F E

N G

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

500' 500' 1000' 1500' 2000'

FLOW

X 7,585,000

X 7,590,000

X 7,585,000

X 7,580,000

Y ,0

52+

O R

E G

O N

RAIN

IER

CHANNEL

53+

WASHINGTON

OREGON

OREGONWASHIN

GTON

X 7,580,000

Y ,0

X 7,575,000

Y ,0

47 FT CONTOUR (CRD )

46 FT CONTOUR (CRD )

W A S H I

N G

T O

Y ,0

300' 300'

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P E

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

R M

O R

P L

A N

G L

A Y

O U

T D

R A

7578265.74

7580906.35

7585171.11

7584847.99

7580566.67

7577909.99

898655.78

897097.53

894878.36

894257.39

896485.19

898052.92

RIVER MILE: 66+30+00

CROSS SECTION A - A

DREDGE AREA COORDINATES

BIN MEASURED TO REQUIRED DEPTH

GAGESTAFF

Longview B ridge 28

Inter natio nal P aper Dock, 2 FR

Cow litz R iver E ntran ce 1

FIG

29A, Fl GCotto nwood I sland

"4"

"2"

"3""1"

Ligh ted

Buo y "R

Anc hora geRain ier

68.35

DIKE

65.64

DIKE

ANCHORAGE A

REA

91H-0 2-01

HAS B

EEN R

EMOVED

QUEST FI

BER O

PTIC

49 46

48 56

48 41

ANCHORAGE AREA

50' 50'

46 ft CRD

47 ft CRD

16-JUL-2020

SURVEY DATE

PLACEMENT SITE INFO

FOR ADDITIONAL

WCH-LCR-DISP1-000

SEE DRAWING

STAFF GAGE AT LIGHT 22: Northing: 903356 Easting: 7571401 indicated and can only be 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

Commission, July 1972.

the River Mile Index of the Hydrology and Hydraulics Committee, Pacific Northwest River Basin

2012 Aerial Photography data source: USDA, Service Center Agencies. River Mileage conforms to

Reference is Navigation Chart No. 18524.

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

Soundings are shown in feet and indicate depths below CRD.

1988 (NAVD88 Geoid 09) at Columbia River Mile 67.6.

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

Survey Feet).

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

Control is by USACE and NOS-C&GS.

BE DETERMINED BASED ON PRE-DREDGE SURVEY

ACTUAL DREDGING DEPTHS AND STATIONING TO

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

S U

B M

T E

D B

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T N

S O

A T

N N

M A

R K

D E

S C

N D

A T

K A

R L

A G E

L L

P L

O T D

A T

-D

E C -2

C X

X X

M B

T S

X: 7584600 Y: 895264

RM 67+23+00

OF PIPE OUTFALL

APPROX. LOCATION

DWG 3 OF 18

WCH-LCR1-000

N.T.S.

MAXIMUM PAY DEPTH

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

REQUIRED DEPTH

500' 500' 1000' 1500' 2000'

FLOW

Y 920,000

X ,4

Y 915,000

X ,5

Y 915,000

X ,5

Y 920,000

53+2

GAGE

STAFF

Cathlamet Channel 8, Fl R

"68"

Wate rfo rd

, F l G

Co op er

Pt.

, Q G

Eu rek a 7 0, Fl R

Cathlamet Dike Lt. 67, Fl G

PLACEMENT AREA

(W-46.3)

BROWN ISLAND

CAPE HORN

W A L L A C E S L O U G H

53+25

ASH

O R

O N

WASHIN

GTON

OREGON

X ,4

47 46

45 46

44 FT CONTOUR (CRD )

46 FT CONTOUR (CRD )

47 FT CONTOUR (CRD )

O R E G O N

RIVER MILE: 47+16+00

CROSS SECTION A - A

PRE/POST

300' 300'

46 ft CRD

47 ft CRD

100'

75'

REQUIRED TOE DEPTH 44 ft CRD

13-JUL-2020

SURVEY DATE

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P E

R M

O R

P L

A N

G L

A Y

O U

T D

R A

U S

A R

M Y C

O R

P S O

F E

N G

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

W E

S T P

O R

T E

U R

E K

A B

A R

DREDGE AREA COORDINATES

7491651.21 915702.20

7492800.90 915812.01

7498764.63 917155.35

7498918.45 916472.46

7492137.25 914944.98

7491727.27 914905.82

E F

STAFF GAGE AT DIKE 44.58: Northing: 915288 Easting: 7478715 indicated and can only be 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

Pacific Northwest River Basin Commission, July 1972.

River Mileage conforms to the River Mile Index of the Hydrology and Hydraulics Committee, 2012 Aerial Photography data source: USDA, Service Center Agencies.

Reference is Navigation Chart No. 18523.

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

Soundings are shown in feet and indicate depths below CRD.

Datum of 1988 (NAVD88 Geoid 09) at Columbia River Mile 47.3.

Vertical datum is Columbia River Datum. CRD is 1.67 feet above North American Vertical

U.S. Survey Feet).

Horizontal coordinates are based on the Lambert Projection for Oregon, North Zone (NAD 83, Control is by USACE and NOS-C&GS.

PLACEMENT SITE INFO

FOR ADDITIONAL

WCH-LCR-DISP2-000

SEE DRAWING

W A S H I N G T O N

BE DETERMINED BASED ON PRE-DREDGE SURVEY

ACTUAL DREDGING DEPTHS AND STATIONING TO

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

M A

R K

D E

S C

N D

A T

D E

N E

D B

M B

D R

A W

N B

M B

C H

E C

K E

D B

T S

S U

B M

T E

D B

K A

R L

A G E

L L

P L

O T D

A T

-D

E C -2

S O

A T

N N

C O

N T

R A

C T N

C X

X X

DWG 4 OF 18

WCH-LCR2-000

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

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

500' 500' 1000' 1500' 2000'

X 7,565,000

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P E

7559809.88

7559612.41

7555368.93

7555533.35

914297.95

914084.45

917759.66

917952.08

PLACEMENT SITE W-60.9-IW

01-JUN-2020

SURVEY DATE

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

X COORDINATE Y COORDINATE

7558543.37

7560290.77

7560004.17

7558248.36

913657.76

912161.10

911808.76

913326.48

PLACEMENT SITE O-61.6-IW

X COORDINATE Y COORDINATE

7561875.39

7564155.77

7564444.36

7561723.68

911057.17

909998.93

910223.91

911475.68

PLACEMENT SITE O-62.4-IW

Y ,0

STAFF GAGE AT LIGHT 3: Northing: 926110 Easting: 7543090 and can only be 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

Northwest River Basin Commission, July 1972.

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

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

Reference is Navigation Chart No. 18523 and 18524.

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

Soundings are shown in feet and indicate depths below CRD.

1988 (NAVD88 Geoid 09) at Columbia River Mile 57.6.

Vertical datum is Columbia River Datum. CRD is 2.12 feet above North American Vertical Datum of

Survey Feet).

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

Control is by USACE and NOS-C&GS.

P L

A C

E M

E N

T S

E L

A Y

O U

T D

R A

Y ,0

X 7,555,000

PLACEMENT SITE O-62.4-IW

MAX DEPOSITION: 2 FT

MAX QUANTITY: 40,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT

CONTROLLING DEPTH: 32FT CRD

MAX DEPOSITION: 3 FT

MAX QUANTITY: 50,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT

CONTROLLING DEPTH: 35FT CRD

Electr ical To wers

91H-0 2-03

Electr ical To wers

MAX DEPOSITION: 2 FT

MAX QUANTITY: 30,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT

CONTROLLING DEPTH: 32FT CRD

PLACEMENT SITE W-60.9-IW

PLACEMENT SITE O-61.6-IW

PLACEMENT SITE O-62.9-IW

X 7,555,000

MAX DEPOSITION: 2 FT

MAX QUANTITY: 30,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT

CONTROLLING DEPTH: 33FT CRD

W A S H I N G T

O N

O R E G

O N

X COORDINATE Y COORDINATE

7564542.20

7564918.84

7566330.39

7566091.74

910177.51

909998.24

908968.67

908687.34

PLACEMENT SITE O-62.9-IW

Y ,0

7564849.14 909744.65

7564446.76 909965.51

W A

L K

E R I S

L A

N D R

E A

C H

00 10

53+25

+25

53+25

O -6

.9 -I

W -6

.9 -I

O -6

.6 -I

O -6

.4 -I

42 37

454341

414140

46 44

39 41

44 44

38 45

28 4550

49 47

39 38

48 51 42 41

41 41

32 33

35 35

46 51

35 29

36 35

42 40

35 33

33 30

36 36

37 34

40 32 32

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

S U

B M

T E

D B

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T N

S O

A T

N N

M A

R K

D E

S C

N D

A T

K A

R L

A G E

L L

P L

O T D

A T

-D

E C -2

C X

X X

M B

T S

6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

DWG 5 OF 18

WCH-LCR-DISP1-000

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

E E

R S

P O

R T

L A

N D D

T R

T P

O R

T L

A N

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

N S D

500' 500' 1000' 1500' 2000'

M A

T E

N A

N C

E D

R E

D G

W E

S T C

O A

S T H

O P

P 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

P L

A C

E M

E N

T S

E L

A Y

O U

T D

R A

Y ,0

X 7,460,000

X 7,450,000

X 7,455,000

Y ,0

X 7,460,000

30 40 50

50403020

53+25

0040 50

20 3010

Price Island Lt. 35, Fl G

"36"

"37"

O R E G O N

53+25

PLACEMENT SITE W-35.3-IW

PLACEMENT SITE W-35.8-IW

X 7,455,000

X 7,450,000

"32"

Y ,0

X COORDINATE Y COORDINATE

PLACEMENT SITE O-34.1-IW

06-JUN-2020

SURVEY DATE

Y ,0

50 53+25

X COORDINATE Y COORDINATE

PLACEMENT SITE O-34.1-IW

W A

GTO

REGO

WASHINGTONOREGON

H I

PLACEMENT SITE W-35.3-IW PLACEMENT SITE W-35.8-IW

7453563.31 959586.32

7455845.46 957144.15

7455441.50 956819.85

7453548.54 958457.50

7453049.63 959182.81

7459580.37 955328.12

7458954.19 955438.00

7460168.32 953637.43

7460419.75 953826.98

7460838.53 953141.29

7461549.17 951715.47

7461290.76 951596.70

7460601.87 953007.64

MAX DEPOSITION: 2FT

MAX QUANTITY: 70,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT SITE

POINT DUMP EACH LOAD

CONTROLLING DEPTH: 32FT CRD

MAX DEPOSITION: 2FT

MAX QUANTITY: 20,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT SITE

POINT DUMP EACH LOAD

CONTROLLING DEPTH: 37FT CRD

MAX DEPOSITION: 2FT

MAX QUANTITY: 20,000 CY +/- ONE LOAD

SPREAD LOADS EVENLY THROUGHOUT SITE

POINT DUMP EACH LOAD

CONTROLLING DEPTH: 40FT CRD

S K

A M

O K

A W

A B

A R

W -3

.3 -I

-3 .8 -I

O -3

.1 -I

STAFF GAGE AT LIGHT 31: Northing: 983826 Easting: 7450593 and can only be 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

Northwest River Basin Commission, July 1972.

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

Reference is Navigation Chart No. 18523.

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

Soundings are shown in feet and indicate depths below CRD.

1988 (NAVD88 Geoid 09) at Columbia River Mile 31.2.

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

Survey Feet).

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

Control is by USACE and NOS-C&GS.

W A S H I N G T O N

484644

545655

565351

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it. Updated Dec 22, 2020.