PLANS.pdf

PDF 17 MB Posted May 9, 2018

Attached to: Maintenance Dredging Duluth-Superior
Solicitation number: W911XK18B0008
Issued by: Department of the Army Corps of Engineers Engineering District Detroit

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Other files

File	Type	Posted
Abstract_Duluth_Superior.pdf	PDF	Jun 13, 2018
W911XK-18-B-0008-0002.pdf	PDF	Jun 6, 2018
W911XK18B0008_0001.pdf	PDF	May 15, 2018
SPECIFICATIONS.PDF	PDF	May 9, 2018
W911XK18B0008.pdf	PDF	May 9, 2018

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®of Engineers

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PLACEMENT AREA

40TH AVE W

AREA 15

REQ'D DREDGE

AREA 14

REQ'D DREDGE

AREA 23

REQ'D DREDGE

AREA 7B/7C/7D/7E

OPTION DREDGE

AREA 6A/6B/7A/8

REQ'D DREDGE

DS: LRE_Screen.dscript.dscriptPD: LRE_pdf.pltcfg8:34:08 AM 4/9/2018

...\Projects\AEC_WS-001_ProjectTemplate\AEC_WS-001_ProjectTemplate\CAD_BIM\_Sheets\

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

T R

M I

A N A of Engineers

US Army Corps

WILLIAM D. MERTE P.E., CHIEF COST & GENERAL ENGINEERING BRANCH

PHILLIP C. ROSS P.E., CHIEF ENGINERRING & CONSTRUCTION OFFICE

MARIE STRUM P.E., CHIEF ENGINEERING & TECHNICAL SERVICES

REQUIRED BY ER 1110-1-8152

PROJECTS DOCUMENTS WITHIN THE SCOPE OF THEIR EMPLOYMENT AS

REGISTRATION DESIGNATIONS OF INDIVIDUALS APPEAR ON THESE

ARMY CORPS OF ENGINEERS. THE INITIALS OR SIGNATURES AND

THE PROJECT WAS DESIGNED BY THE DETROIT DISTRICT OF THE U.S.

F Y M

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T H -S

U P

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N T

D E

FY18 MAINTENANCE DREDGING

DULUTH-SUPERIOR HARBOR

ST. LOUIS COUNTY

D E

T R

E .A

N D

E R

S E

W .M

E R

T E

DETROIT DISTRICT

G-001

V E

R S

H E

E T

T S

Minnesota

Wisconsin

Illinois

Indiana Ohio

Michigan

L ake H uron

La ke E rie

Lake Superior

L a k e M ic h ig a n

Harbor

Duluth/Superior

ST. LOUIS COUNTY, MN

DULUTH - SUPERIOR HARBOR

PROJECT LOCATION:

VICINITY PLAN

SCALE: NTS

SCALE: 1" = 4,000'

PROJECT MAP

CERTIFIED FINAL - READY TO ADVERTISE

/S/ WILLIAM D. MERTE

/S/ MARIE STRUM

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C T N

C H

E C

K E

D B

D R

A W

N B

U E D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

A AF

P S

C O

G I

N E

E R

D E

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R I

C T

I n c r e a o f i t

S u b m

C P

V a l g i n e e r i

DS: LRE_Screen.dscript.dscriptPD: LRE_pdf.pltcfg8:34:18 AM 4/9/2018

S I

G-002

G -0

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D E

GENERAL NOTES

DREDGING NOTES

PLACEMENT SIDE SLOPE NOTES

PLACEMENT TOLERANCE NOTES

TURBIDITY CONTROLS

STANDARD ABBREVIATIONS

LOW WATER DATUMLWD

INTERNATIONAL GREAT LAKES DATUMIGLD

INCHESIN

FOOTFT

EXISTINGEXIST

ELEVATIONELEV

EACHEA

CUBIC YARDCY

CENTERLINEC, CL OR C/L

APPROXIMATEAPPROX

STATIONSTA

REQUIREDREQ'D

PLACEMENT STATIONPS

ORDINARY LOW WATER MARKOLWM

NOT TO SCALE NTS

NATIONAL GEODETIC VERTICAL DATUMNGVD

MISCELLANEOUSMISC

MINIMUMMIN

MATERIALMAT'L

D R

A W

G I

N D

E X

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T E

S A

B B

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N S

A N

D E

R S

E N

T S

M E

R T

STEEPER THAN 10H:1V.

4. ALL SIDE SLOPES CREATED BELOW LOW WATER DATUM (601.1 FT IGLD85) SHALL BE NO

TO 2% SLOPE TOWARD SHORELINE TO FACILITATE DRAINAGE.

3. ALL FINISHED LEVEL SURFACES ABOVE THE CURRENT WATER SURFACE SHALL BE GRADED

SHAPED TO 10H:1V.

2. UNLESS OTHERWISE SPEFICIED, ALL SIDE SLOPES ABOVE 0.0 LWD (601.1 FT IGLD85) SHALL BE

ASSUMED.

CONSTRUCT THE VARIOUS FEATURES, A NATURAL ANGLE OF REPOSE OF 20H:1V WAS

LIMIT BOUNDARIES. TO ESTIMATE THE REQUIRED VOLUME OF MATERIAL NEEDED TO

SHALL BE ALLOWED TO FORM AT THE NATURAL ANGLE OF REPOSE OUTSIDE THE PLACEMENT

1. UNLESS OTHERWISE SPECIFIED, ALL SIDE SLOPES CREATED BELOW 0.0 LWD (601.1 FT IGLD85)

3. ALL HORIZONTAL LIMITS ABOVE 0.0 LWD (601.1 FT IGLD85) ARE ALLOWED TO VARY +1.0/-1.0 FEET.

2. ALL HORIZONTAL LIMITS BELOW 0.0 LWD (601.1 FT IGLD85) ARE ALLOWED TO VARY +5.0/- 1.0 FEET.

FEET.

1. ALL VERTICAL ELEVATIONS AT OR BELOW 3.0 LWD (601.1 FT IGLD85) ARE ALLOWED TO VARY +0.0/- 1.0

7A/7B/7C/7D/7E WHICH IS 1.0 FEET.

5. THE ALLOWABLE PAY OVERDEPTH IS 1.5 FEET FOR ALL DREDGE AREAS EXCEPT

PAY PRISM LINE WITHIN THE DREDGE AREAS SPECIFIED.

4. THE VERTICAL SHOAL TOLERANCE FOR THIS CONTRACT IS 0.0 FEET ABOVE THE REQUIRED

ACCORDANCE WITH THE CONTRACT DOCUMENTS.

3. THE CONTRACTOR SHALL VERIFY THE LOCATION OF AUTHORIZED CROSSINGS IN

MATERIAL MAY BE PLACED IN AREA E EITHER MECHANICALLY OR HYDRAULICALLY.

CHANNEL. ALL MATERIAL SHALL BE PLACED IN AREA A BY HYDRAULIC MEANS ONLY. ALL

2. ALL DREDGE MATERIAL SHALL BE MECHANICALLY DREDGED FROM THE FEDERAL NAVIGATION

DREDGE LOCATIONS.

1. ALL VOLUMES ASSOCIATED WITH DREDGE MATERIAL ARE ASSUMED TO BE IN-SITU AT

SHEET C-501.

9. HYDRAULIC PLACEMENT SHALL BE COMPLETED PER THE CONFIGURATIONS SHOWN ON

SLOPES AND PLACEMENT METHODOLOGY.

MATERIAL REQUIRED, AND MAY VARY BASED ON CHARACTER OF MATERIAL, ACTUAL SIDE

VOLUMES SHOULD BE ASSUMED TO ONLY BE REPRESENTATIVE OF THE GENERAL AMOUNT OF

ASSUMED SIDE SLOPE ANGLES AND HYDRAULIC PLACEMENT OF MATERIAL. REQUIRED

CHARACTER OF MATERIAL TYPICALLY DREDGED FROM THE FEDERAL NAVIGATION CHANNEL,

8. VOLUMES REQUIRED TO CREATE THE PROPOSED FEATURES ARE BASED ON AVERAGE

CONTRACT.

SITES". THESE AREAS SHALL NOT BE DISTURBED DURING THE EXTENT OF WORK UNDER THIS

7. THERE ARE TWO LOCATIONS IDENTIFIED ON THE PLACEMENT AREA PLANS AS "HISTORIC

6. ALL ITEMS SHOWN ARE EXISTING UNLESS INDICATED AS REQUIRED (REQ'D).

AND ARE OUTDATED AND INACCURATE.

5. THE BASE MAP FEATURES DEPICTED ON THIS MAP WERE DIGITIZED FROM EXISTING CHARTS

OF THE SURVEY AND CANNOT BE CONSIDERED FOR NAVIGATION.

4. THE LOCATION OF NAVIGATION BUOYS REPRESENTS THE GENERAL LOCATION ON THE DATE

1983 (NAD 83), US SURVEY FOOT.

COORDINATE SYSTEM, LAMBERT PROJECTION, NORTH ZONE (2201), NORTH AMERICAN DATUM

3. THE GRID COORDINATE SYSTEM SHOWN IS REFERENCED TO THE MINNESOTA STATE PLANE

AT THE DULUTH VESSEL YARD (NOAA GAUGE #9099064).

FATHER POINT, QUEBEC. WATER LEVEL READINGS ARE FROM AN AUTOMATED GAUGE LOCATED

DATUM 1985 (IGLD 85). LOW WATER DATUM ZERO IS 601.1 FEET ABOVE MEAN WATER LEVEL AT

2. ELEVATIONS AND SOUNDING DEPTHS ARE REFERRED TO INTERNATIONAL GREAT LAKES

UTILIZED ARE DESCRIBED ON EACH REQUIRED DREDGING PLAN SHEET.

REQ'D DREDGE AREAS BATHYMETRIC SURVEY: THE SURVEY DATE AND EQUIPMENT

GENERAL CONDITIONS PRESENT AT THAT TIME.

SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE

1. THE INFORMATION DEPICTED WITHIN THESE DRAWINGS REPRESENTS THE RESULTS OF

PIPE IS PROHIBITED.

OTHERWISE SEPARATING THE FLOW AT ANY POINT ALONG THE LENGTH OF THE DISCHARGE

LESS FROM THE PUMP OUTLET TO THE POINT OF DISCHARGE. SPLITTING, WYING, OR

SHALL CONSIST OF A SINGLE DISCHARGE POINT FED BY A SINGLE PIPE OF 8" DIAMETER OR

DISCHARGE LINE AND/OR PUMP LARGER THAN 8" IS PROHIBITED. DISCHARGE CONFIGURATIONS

DEFINED BY THE OUTLET DIAMETER SPECIFIED BY MANUFACTURER OF PUMP) OR SMALLER. A

CONFIGURATIONS ARE LIMITED TO A SINGLE 8" DIAMETER DISCHARGE LINE AND 8" PUMP (AS

3. IN ORDER TO MEET THE 401 WATER QUALITY CERTIFICATION, ALL DISCHARGE

SECTION 401 CERTIFICATION.

2. THE CONTRACTOR SHALL CONFORM TO ALL REQUIREMENTS OF THE CLEAN WATER ACT,

01 57 24 AND AS SHOWN ON DRAWING SHEET C-501.

FOLLOW ALL BEST MANAGEMENT PRACTICES (BMPs) AS OUTLINED IN SPECIFICATION SECTION

1. TURBIDITY CONTROLS SHALL BE REQUIRED FOR THIS PROJECT. THE CONTRACTOR SHALL

CERTIFIED FINAL - READY TO ADVERTISE

48.7

48.6

48.5

48.4 48.4

48.3

48.3 48.3

48.3 48.2

48.2

48.1

48.0

47.9

47.8

47.8 47.7

47.6

47.6 47.6

47.5 47.5

47.5

47.4

47.3 47.3

47.2

47.1

47.0

46.9

46.8

46.7 46.6

46.6

46.5

46.4

46.3

46.2

46.1

46.0

45.9

45.9 45.8

45.8 45.8

45.8

45.7

45.7 45.7

45.7

45.6

45.5

45.4

45.3

45.2

45.1

45.0

45.0 45.0

45.0

44.9

44.8

44.7

44.6

44.6 44.6

44.5

44.4

44.3

44.2

44.1

44.0

43.9

43.8

43.7

43.6

43.5

43.4

43.3

43.2

43.1

43.0

42.9

42.8

42.7

42.6

42.5

42.4

42.3

42.2

42.1

42.0

41.9

41.8

41.7

41.6

41.5

41.4

41.4 41.4

41.4

41.3

41.2

41.1

41.0

40.9

40.8

40.7

40.7 40.6

40.6

40.5

40.4

40.3

40.2

40.1

40.0

39.9

39.8

39.7

39.6

39.5

39.4

39.3

39.2

39.1

39.0

38.9

38.8

38.8 38.8

38.8

38.7

38.7 38.7

38.7

38.7 38.6

38.6

38.5

38.4 38.4

38.4

38.3

38.3 38.3

38.3

38.3 38.3

38.3

38.2

38.2 38.2

38.2

38.1

38.0

38.0 38.0

38.0

37.9

37.8

37.7

37.7 37.7

37.7

37.6

37.5

37.5 37.5

37.5

37.4

37.4 37.4

37.4

37.3

37.3 37.3

37.3

37.2

37.2 37.2

37.2

37.1

37.1 37.1

37.1

37.1 37.1

37.1

37.0

36.9

36.9 36.9

36.9

36.8

36.8 36.8

36.8

36.7

36.7 36.7

36.7

36.6

36.5

36.5 36.5

36.5

36.5 36.5

36.5

36.5 36.5

36.4

36.4 36.4

36.4

36.3

36.3 36.3

36.3

36.2

36.2 36.2

36.2

36.2 36.2

36.2

36.1

36.1 36.1

36.1

36.1 36.1

36.1

36.1 36.1

36.1

36.0

36.0 36.0

36.0

36.0 36.0

36.0

36.0 36.0

36.0

36.0 36.0

35.9

35.9 35.9

35.9

35.9 35.9

35.9

35.9 35.9

35.9

35.8

35.8 35.8

35.8

35.7

35.7 35.7

35.7

35.7 35.7

35.7

35.7 35.7

35.7

35.6

35.5

35.5 35.5

35.5

35.4

35.4 35.4

35.4

35.4 35.4

35.4

35.4 35.4

35.4

35.3

35.3 35.3

35.3

35.2

35.2 35.2

35.2

35.2 35.2

35.2

35.2 35.2

35.2

35.2 35.2

35.2

35.1

35.1 35.1

35.1

35.1 35.1

35.1

35.1 35.1

35.1

35.1 35.0

35.0

35.0 35.0

35.0

35.0 35.0

35.0

35.0 35.0

35.0

34.9

34.9 34.9

34.9

34.9 34.9

34.9

34.9 34.9

34.9

34.8

34.8 34.8

34.8

34.8 34.8

34.8

34.7

34.7 34.7

34.7

34.7 34.7

34.7

34.7 34.7

34.7

34.7 34.7

34.7

34.7 34.7

34.7

34.6

34.6 34.6

34.6

34.6 34.6

34.6

34.6 34.6

34.6

34.5

34.5 34.5

34.5

34.5 34.5

34.5

34.5 34.5

34.5

34.4

34.4 34.4 34.4

34.4

34.4 34.4

34.4

34.4 34.4

34.4

34.3

34.3 34.3

34.3

34.3 34.3

34.3

34.3 34.3

34.3

34.2

34.2 34.2

34.1

34.1 34.1

34.1

34.1 34.1

34.1

34.1 34.1

34.1

34.1 34.1

34.1

34.1 34.1

34.1

34.0

34.0 34.0

34.0

34.0 34.0

34.0

34.0 34.0

34.0

34.0 34.0

34.0

34.0 34.0

34.0

34.0 34.0

34.0

34.0 34.0 34.0

34.0

33.9

33.9 33.9

33.9

33.9 33.9

33.9

33.9 33.9

33.9

33.9 33.9

33.9

33.9 33.8

33.8 33.8

33.8

33.8 33.8

33.8

33.8 33.8

33.8

33.7

33.7 33.7

33.7

33.7 33.7

33.7

33.7 33.7 33.7

33.7

33.6

33.5

33.5 33.5

33.5

33.5 33.5

33.5

33.4

33.4 33.4

33.4

33.4 33.4

33.4

33.3

33.3 33.3

33.3

33.2

33.2 33.2

33.2

33.1

33.1 33.1

33.1

33.0

33.0 33.0

33.0

32.9

32.9 32.9

32.9

32.9 32.9

32.9

32.8

32.8 32.8

32.8

32.8 32.8

32.8

32.8 32.8

32.8

32.7

32.7 32.7

32.7

32.7 32.7

32.6 32.6

32.6

32.5

32.5 32.5

32.5

32.5 32.5

32.5

32.5 32.5

32.5

32.4

32.3 32.3

32.3

32.3 32.3

32.3

32.2

32.2 32.2

32.2

32.1

32.1 32.1

32.1

32.1 32.1

32.1

32.0

32.0 32.0

32.0

32.0 32.0

32.0

32.0 32.0

32.0

31.9

31.9 31.9 31.9

31.9

31.8

31.7

31.7 31.7

31.7

31.6

31.5

31.4

31.3

31.3 31.3

31.3

31.3 31.3

31.3

31.2

31.2 31.2

31.2

31.2 31.2

31.2

31.1

31.1 31.1

31.1

31.0

30.9

30.9 30.9

30.9

30.9 30.9

30.9

30.8

30.8 30.8

30.8

30.7

30.6

30.6 30.6

30.6

30.5

30.5 30.5

30.5

30.5 30.5

30.5

30.4

30.4 30.4

30.4

30.4 30.4

30.4

30.4 30.4

30.4

30.4 30.4

30.4

30.3

30.2

30.2 30.2

30.2

30.1

30.1 30.1

30.1

30.0

29.9

29.8

29.8 29.8

29.8

29.8 29.8

29.8

29.7

29.7 29.7

29.7

29.6

29.5

29.5 29.5

29.5

29.4

29.4 29.4

29.4

29.4 29.4

29.4

29.3

29.2

29.2 29.2

29.2

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.8

28.8 28.8

28.8

28.8 28.8

28.8

28.8 28.8

28.8

28.7

28.7 28.7

28.7

28.7 28.7 28.7

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.6

28.6 28.6

28.6

28.6 28.6

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.1

28.1 28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.0

28.0 28.0

28.0

28.0 28.0

28.0

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.6

27.6

27.6 27.6

27.6

27.6 27.6

27.6

27.6 27.6

27.6

27.6 27.6

27.5

27.5 27.5

27.5

27.5 27.5

27.5

27.4

27.3

27.3 27.3

27.3

27.3 27.3

27.3

27.3 27.3

27.3

27.3 27.3

27.3

27.2 27.2

27.2

27.1

27.1 27.1

27.1

27.0

27.0 27.0

27.0

26.9

26.8

26.8 26.8

26.8

26.7

26.6

26.5

26.4

26.3

26.2

26.1 26.1

26.1

26.0

25.9

25.8

25.8 25.8

25.8

25.7

25.7 25.7

25.7

25.6

25.5

25.5 25.5

25.5

25.5 25.5

25.5

25.4

25.3

25.2

25.1

25.0

24.9

24.8

24.8 24.8

24.8

24.7

24.6

24.5

24.4 24.4

24.4

24.3

24.3 24.3

24.3

24.2

24.1

24.0

23.9

23.8

23.7

23.6

23.5

23.4

23.4 23.4

23.4

23.3

23.2

23.1

23.1 23.1

23.1

23.1 23.1

23.1

23.1 23.0

23.0

22.9

22.8

22.7

22.7 22.6

22.6

22.5

22.4

22.3

22.2 22.2

22.2

22.1

22.0

21.9

21.8

21.6

21.5

21.4

21.3

21.2

21.1

21.0

21.0 21.0

20.9

20.9 20.8

20.7

20.6

20.5

20.5 20.5

20.4

20.3

20.2

20.1

20.0

19.8

19.7

19.6

19.5

19.4

19.3

19.2

19.0

18.9 18.9

18.8

18.7

18.6 18.6

18.6

18.4

18.3

18.2

18.1

17.9

17.9 17.8

17.7

17.6

17.4

17.3

16.9

16.8

16.6

16.5

16.4

16.3

16.2

16.1

15.9

15.7

15.6

15.5

15.4

15.4 15.4

15.3

15.2

15.1 15.1

15.0

14.9 14.9

14.9

14.8

14.7

14.6

14.5

14.4

14.3

14.1

13.9

13.8

13.7

13.6

13.5

13.4

13.3

13.2

13.1

13.0

12.9

12.8

12.7

12.6

12.5

12.3

12.1

12.0

11.8

11.8 11.8

11.8

11.7

11.6

11.4

11.1

11.0

10.9

10.8

10.7

10.6

10.4

10.3

10.2

10.0 9.8

9.7

9.7 9.68.9

8.3 7.3 6.56.5 6.5

6.4 5.8

5.7

S O

A T

N N

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C O

N T

R A

C T N

C H

E C

K E

D B

D R

A W

N B

U E D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

A AF

P S

C O

G I

N E

E R

D E

T R

S T

R I

C T

I n c r e a o f i t

S u b m

C P

V a l g i n e e r i

G R

E E

N B

U O

G R

E E

N B

U O

Cable Area Cable Area Cable Area Cable Area

C a b le A re a

Cable AreaCable AreaCable Area

C a b le A re a

R E

D B

U O

B U R L I

N G T

NAVY RESERVE

Y =4

X =2

.5 2 Y

X =2

.5 6 Y

X =2

Y =4

X =2

Y =4

X =2

Y =4

X =2

Y =4

X =2

Y =4

X =2

"ENTRY"

LIGHT - 3035

CN101

CN102

CN104

CN105

CN103

V-401

CN106

V-101

V-103 V-102

DS: LRE_Screen.dscript.dscriptPD: LRE_pdf.pltcfg8:34:24 AM 4/9/2018

C S h e e tS e e d .d

S I

F Y M

T E

N A

N C

E D

R E

D G

D U

L U

T H -S

U P

E R

R H

A R

B O

S T L

O U

N T

D E

T R

M I

A N A

Cable Area

100' 200'0

HORIZONTAL CONTROL POINT

GPS CONTROL POINT

.... .. SHORELINE

CHANNEL LINE

CHANNEL LINE TURNING POINTNO.

EXISTING SUBMARINE CABLE

SCALE: 1" = 7000'

D R

E D

G E A

R E

Q 'D D

R E

D G

G P

L A

N V

CN101

SEE NOTE 4

A N

D E

R S

E N

T S

M E

R T

SCALE: 1"=100'

LEGEND

REQUIRED DREDGE AREA 15 PLAN VIEW SHEET KEY MAP

TO 27' BELOW LWD

REQ'D BASE DREDGING AREA 15

DISTURBANCE OF ALL CROSSINGS.

AREA. THE CONTRACTOR SHALL TAKE NECESSARY PRECAUTIONS TO AVOID

AN EXISTING SUBMARINE CABLE IS PRESENT NEAR THE REQUIRED DREDGE 4.

315 RESET AT THE EASTERLY END OF TOLEDO PIER, SUPERIOR, WI.

STATION LOCATED AT US ARMY CORPS OF ENGINEERS (USACE) BENCHMARK DISK

GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) CORRECTIONS FROM A BASE

HORIZONTAL POSITIONING IS DETERMINED USING REAL TIME KINEMATIC (RTK) 3.

THE PROJECT DEPTH FOR THIS AREA IS 27'.2.

INDICATING THE GENERAL CONDITIONS PRESENT AT THAT TIME.

SURVEYS MADE ON NOVEMBER 16, 2017 AND CAN ONLY BE CONSIDERED AS

THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF 1.

GENERAL NOTES

DREDGE LIMIT

CERTIFIED FINAL - READY TO ADVERTISE

46.3

46.2

46.1

46.0 46.0

45.9

45.8

45.7

45.6

45.5

45.4

45.2

45.2 45.2 45.2

45.1

45.0

44.9

44.8

44.8 44.8 44.7

44.7

44.6

44.5

44.4

44.4 44.4

44.3 44.3

44.3

44.2

44.2 44.2

44.1

44.0

43.9

43.8 43.8

43.8

43.7

43.6

43.5

43.5 43.5

43.5

43.5 43.5

43.4

43.4 43.4

43.3

43.2

43.1

43.0

42.9

42.8

42.7 42.7

42.6

42.5

42.4

42.3

42.2

42.1

42.1 42.1 42.1

42.0

42.0 42.0

42.0

41.9

41.9 41.9

41.9

41.8

41.8 41.8

41.8

41.7

41.6

41.5

41.5 41.5

41.5

41.4

41.3

41.2

41.1

41.0

40.9

40.8

40.7

40.6

40.5

40.5 40.5

40.4

40.3

40.3 40.3

40.2

40.1

40.1 40.1

40.0

40.0 40.0

40.0

39.9

39.9 39.9 39.9

39.9

39.9 39.9

39.9

39.8

39.8 39.8

39.8

39.8 39.8

39.8

39.7

39.7 39.7

39.7

39.7 39.7

39.7 39.6

39.6

39.5

39.5 39.5

39.5

39.4

39.4 39.4

39.4 39.4 39.4

39.3

39.3 39.2

39.2

39.1

39.0

38.9

38.9 38.8

38.8

38.7

38.6

38.5

38.4

38.4 38.4

38.4

38.4 38.4

38.4

38.3

38.2

38.1

38.0 38.0

38.0

38.0 38.0

38.0

37.9

37.8

37.7

37.6

37.5

37.4

37.3

37.2

37.1

37.0

36.9

36.8

36.8 36.8

36.8

36.7

36.6

36.5

36.4

36.3

36.2

36.1

36.1 36.1

36.1

36.0

35.9

35.8

35.7

35.6

35.5

35.4

35.3

35.3 35.2

35.2

35.1

35.0

34.9

34.8

34.7

34.7 34.7

34.7

34.6

34.5

34.4

34.3

34.3 34.3

34.3

34.2

34.1

34.1 34.1

34.1

34.0

34.0 34.0

34.0

33.9

33.8

33.8 33.8

33.8

33.7

33.6

33.6 33.6

33.6

33.5

33.4

33.3

33.2

33.1

33.0

32.9

32.9 32.8

32.8

32.7

32.6

32.5

32.4

32.3

32.2

32.1

32.0

31.9

31.8

31.8 31.8

31.8

31.7

31.6

31.5

31.4

31.3

31.2

31.2 31.2

31.1

31.0

31.0 31.0

30.9

30.8

30.7

30.6

30.5

30.4

30.4 30.4 30.4

30.3

30.2

30.1

30.0

29.9

29.9 29.9

29.8

29.8 29.8

29.8

29.7

29.7 29.7

29.7

29.6

29.5

29.5 29.5

29.5

29.4

29.4 29.4

29.4

29.4 29.4 29.4

29.4

29.3

29.3 29.3

29.3

29.3 29.3

29.3

29.3 29.3

29.3

29.2

29.2 29.2

29.2

29.2 29.2

29.2

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.1 29.1

29.1

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

29.0 29.0

29.0

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.9 28.9

28.9

28.8 28.8

28.8

28.8 28.8

28.8

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.7 28.7

28.7

28.6

28.6 28.6

28.6

28.6 28.6

28.6

28.6 28.6

28.6

28.6 28.6

28.6

28.6 28.6 28.6

28.6

28.6 28.6

28.6

28.6 28.6

28.6

28.6 28.6

28.6

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.5 28.5

28.5

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4 28.4

28.4

28.4 28.4

28.4

28.4 28.4

28.4

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.3 28.3

28.3

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.2 28.2

28.2

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.1 28.1

28.1

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

28.0 28.0

28.0

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.9 27.9

27.9

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.8 27.8

27.8

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

27.7 27.7

27.7

2…

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