FY21_MOTSU_Dredging_RTA_PLANS_LOCKED.pdf

US Army Corps of Engineers

SOLICITATION NO.: W912PM20B0016

CONTRACT NO.:

ISSUE DATE: JULY 2020

MAINTENANCE DREDGING

MILITARY OCEAN TERMINAL

SUNNY POINT

BRUNSWICK COUNTY, NORTH CAROLINA

Wilmington District

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Approval Recommended: *

Approved: *

DATE

DATE

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

CHIEF, ENGINEERING BRANCH

* THIS PROJECT WAS DESIGNED BY THE U.S. ARMY CORPS OF ENGINEERS,

WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION

DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE

SCOPE OF THEIR EMPLOYMENT. SIGNATURES ARE REQUIRED BY ER 1110-1-8152.

CHIEF, DESIGN and GENERAL ENGINEERING SECTION

AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON SHEET GI01.

7-10-20

7-10-20

PROJECT OVERVIEW

B a l d h e a d h o a l

C h a n n e l

C a p e r

R i v e r

Kure Beach

Carolina Beach t l n t i c c n

Bald Head

Island

Southport

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MILITARY OCEAN TERMINAL

SUNNY POINT

SEE SHEETS CN101 THRU CN104

WILMINGTON OFFSHORE

FISHERY ENHANCEMENT

STRUCTURE (WOFES)

LT. BOUY "2"

DISPOSAL ZONE

SEE SHEET CN106

OCEAN DREDGED MATERIAL

DISPOSAL SITE

SEE SHEET CN105

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Sheet No. Title

PROJECT LOCATION

PROJECT

Not To Scale

INDEX OF DRAWINGS, PROJECT LOCATION, OVERVIEW AND DISPOSAL AREA

CENTER WHARF TURNING BASIN AND APPROACH CHANNEL MIDDLE ENTRANCE

APPROACH CHANNEL SOUTH ENTRANCE

GI01

CN101

CN102

CN103

CN104

MILITARY OCEAN TERMINAL DREDGING ACCEPTANCE AREAS

CN105

CN106

OCEAN DREDGED MATERIAL DISPOSAL SITE

MOTSU MAINTENANCE DREDGING DISPOSAL ZONE

INDEX OF DRAWINGS

HYDE

BEAUFORT

PITT

EDGECOMBE

WASHINGTON

TYRREL

DARE

PAMLICO

CRAVEN

JONES

ONSLOW

DUPLIN

PENDER

N

E

W

H

A

N

O

V

E

R

BRUNSWICK

COLUMBUS

BLADEN

ROBESON

HOKE

M O

O R

E

LEE

CHATHAM

A L

A M

A N

C E

C A

S W

E L L

PERSON

ORANGE

DURHAM

WAKE

JOHNSTON

FRANKLIN

VANCE

WARREN

HALIFAX

NORTHAMPTON

HERTFORD

GATES

NASH

WILSON

SAMPSON

CUMBERLAND

CARTERET

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MARTIN

BERTIE

PAMLICO SOUND

ATLANTIC O

CEAN

GREENE

LENOIR

WAYNE

V I R G I N I A

S O U T H C A R O L I N A

HARNETT

Wilmington

Manteo

Elizabeth City

Cape Hatteras

Cape Lookout

Cape Fear

Rodanthe

Morehead

City

SOUTH WHARF TURNING BASIN AND APPROACH CHANNEL SOUTH TO CENTER WHARF

Feet

0 7920 15840

GI01

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AutoCAD SHX Text -21.52

AutoCAD SHX Text "2"

AutoCAD SHX Text

ROANOKE

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RIVER

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NEUSE

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RIVER

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CHOWAN

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CAPE

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SECURITY BARRIER

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NOTES:

1. UNLESS OTHERWISE DIRECTED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE, THE ORDER

OF WORK SHALL BE AT THE DISCRETION OF THE CONTRACTOR.

2. HORIZONTAL DATUM: NAD 1983, NORTH CAROLINA STATE PLANE FEET.

3. SEE SHEETS CN102 THRU CN104 FOR DREDGING DETAILS.

4. PHOTOGRAPHY DATED: DECEMBER 2019.

5. PRIOR TO MOBILIZATION OF PLANT AND EQUIPMENT, THE CONTRACTOR SHALL BE RESPONSIBLE FOR PERFORMING

AN INSPECTION OF EXISTING STRUCTURES INCLUDING THE SECURITY BARRIERS, WHARVES, SECURITY BOAT BASIN DOCK, AND FENDERS AND ALL PROJECT SITE AREAS TO BE UTILIZED OR DISTURBED BY THE CONTRACTOR'S OPERATIONS.

THESE STRUCTURES AND SITE AREAS SHALL BE REINSPECTED BY THE CONTRACTOR FOLLOWING DEMOBILIZATION OF

PLANT AND EQUIPMENT. THE CONTRACTOR SHALL ARRANGE FOR THE CONTRACTING OFFICER OR HIS/HER

DESIGNATED REPRESENTATIVE TO BE PRESENT DURING EACH INSPECTION.

6. THE GOVERNMENT FURNISHED DISPOSAL AREA FOR DREDGED MATERIAL FROM THE MOTSU TURNING BASINS AND

APPROACH CHANNELS IS THE OCEAN DREDGED MATERIAL DISPOSAL SITE. SEE SHEETS CN105 AND CN106 FOR DETAILS.

Feet

0 1000 2000

SCALE 1"=1000'

CN101

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TURNING BASIN

APPROXIMATE

SHORELINE

APPROXIMATE

SHORELINE

LOWER MIDNIGHT

CHANNEL

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DREDGING SECTION "B"

N: 94838.7

E: 2317714.3

N: 93718.6

E: 2318495.2

N: 92973.4

E: 2318409.7

N: 92783.6

E: 2318057.3

N: 92707.7

E: 2317655.2

N: 92742.4

E: 2317256.5

N: 94090.7

E: 2316816.7

N: 96253.8

E: 2318021.8

N: 96771.3

E: 2317706.6

N: 96822.4

E: 2317407.8

N: 94042.1

E: 2318269.6

N: 94343.3

E: 2316890.2

N: 93260.0

E: 2316974.6

ACCEPTANCE

SECTION

ACCEPTANCE

SECTION

ACCEPTANCE

SECTION

N: 91204.0

E: 2319368.2

N: 91290.6

E: 2319667.1

N: 89822.1

E: 2319304.3

N: 90663.3

E: 2319206.6

N: 94195.1

E: 2317575.0

TIDE GAUGE "14"

"12"

"11"

"9S"

"7S"

"10S"

-3

-3

-3

-3

-3

-3

-3

-3

-3

8-

6 -

-38

-38

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DREDGING SECTION "C"

(BOX CUT)

BASE AREA TO BE DREDGED

SECURITY BARRIER

DOLPHIN PILE

CONTOUR

-38

SOUNDINGS

NAVIGATION AIDS

LEGEND

M.L.L.W.

NOT TO SCALE

NOTES:

1. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MEAN LOWER LOW WATER (M.L.L.W.).

2. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED MEAN

LOWER LOW WATER (M.L.L.W.) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

3. PROJECT SURVEYED JUNE 3, 12, & 16 2020 WITH DISTRICT SURVEY VESSEL "SANDERSON" USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

4. TIDE GAGE LOCATED AT: LIGHT 14

5. THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULT OF SURVEYS MADE ON THE

DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS

EXISTING AT THAT TIME.

6. NAVIGATION AIDS LOCATED BY SURVEY VESSEL, ACCURACY +/- 3 METERS. EASTING AND

NORTHING COORDINATES ARE IN FEET.

DESCRIPTION EASTING NORTHING

LT.BUOY 7S 2317097 91760

LT.BUOY 9S 2317218 92654

LT.BUOY 10S 2317731 92572

LT.BUOY 11 2317350 97145

LT.BUOY 12 2317710 96804

LT.BUOY 14 2318540 98586

7. THE GOVERNMENT FURNISHED DISPOSAL AREA FOR DREDGED MATERIAL IS THE OCEAN

DREDGED MATERIAL DISPOSAL SITE. FOR LOCATION OF DISPOSAL AREA SEE SHEET GI01. FOR

DETAILS SEE SHEETS CN105 & CN106.

8. PAYMENT WILL NOT BE MADE FOR MATERIAL REMOVED OUTSIDE THE CHANNEL PRISM LINE FOR

DREDGING SECTION "B" AND "C".

9. BERTHED VESSELS MAY BE ENCOUNTERED DURING THE WORK UNDER THIS CONTRACT. THE

CONTRACTOR SHALL PROVIDE ADVANCED NOTICE AND COORDINATION WITH MOTSU PERSONNEL

IN ORDER TO MINIMIZE IMPACTS TO DREDGING OPERATIONS DUE TO BERTHED VESSELS. PRIOR

TO DREDGING, CONTACT W.A. SODERS @ 910-457-8426 (ALT. JOE FAHEY @ 910-457-8291).

10. AT THE TIME OF THE 3, 12, & 16 JUNE 2020 SURVEY ONLY MINOR SHOALING WAS PRESENT AS

SHOWN BY THE SOUNDINGS. HOWEVER, ADDITIONAL SHOALING IS EXPECTED TO BE PRESENT BY

CONTRACT AWARD BASED ON HISTORICAL INFORMATION.

Feet

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SCALE: 1"=300'

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DREDGING SECTION "A"

(3H:1V SIDE SLOPE)

DREDGING SECTION "B"

(BOX CUT)

M.L.L.W.

REQUIRED

DEPTH

NOT TO SCALE

EXISTING

BOTTOM

CONTRACTOR DREDGE EQUIPMENT

SHALL MAINTAIN A 15' OFFSET

FROM FACE OF CONCRETE

PAYMENT WILL NOT BE

MADE FOR MATERIAL

REMOVED IN THIS AREA.

EXISTING BOTTOM

2'ALLOWABLE

OVERDEPTH

M.L.L.W.

NOT TO SCALE

BERTH

CHANNEL PRISM

LINE (TYP)

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

REQUIRED

DEPTH

2'ALLOWABLE

OVERDEPTH

EXISTING

BOTTOM

CHANNEL PRISM

LINE (TYP)

EXISTING

BOTTOM

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

2' ALLOWABLE

OVERDEPTH

REQUIRED DEPTH

VARIES

(TYP)

TYPICAL DREDGING SECTION

NOT TO SCALE

MIDDLE ENTRANCE

APPROACH CHANNEL

AutoCAD SHX Text -38.8

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N: 92742.4

E: 2317256.5

N: 92707.7

E: 2317655.2

N: 91716.7

E: 2317527.2

N: 91768.2

E: 2317130.7

N: 91438.6

E: 2317491.3

N: 91097.0

E: 2316640.6

N: 90889.7

E: 2316628.8

N: 88610.7

E: 2317024.8

N: 88681.0

E: 2316343.1

N: 89862.3

E: 2316497.3

N: 89851.5

E: 2316580.0

N: 90879.0

E: 2316713.5

DREDGING SECTION "B" DREDGING SECTION "A"

DREDGING SECTION "A"

B

E

R

E

R

MATCHLINE

S

T A

T I

F

S

E

T

L I N

E

S

T A

T I

F

S

E

T

L I N

E

"5S"

"6S"

N: 92783.6

E: 2318057.3

N: 92973.4

E: 2318409.4

N: 89822.1

E: 2319304.4

N: 90663.3

E: 2319206.6

N: 91290.6

E: 2319667.1

N: 91204.0

E: 2319368.2

-38

-38

-38

-38

-38

-38

-38

S O

L I C

I T

A T

I O

N

N

O

D E

S I G

N E

D

B

Y

D E

S C

R I P

T I O

N

A

M A

R K

S I Z

E

S U

B M

I T

T E

D

B

Y

D A

T E

C O

N T

R A

C H

E C

K E

D

B

Y

D R

A W

N

B

Y

I S

S U

E

D

A T

E

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

I N

T E

N A

N C

E

D

R E

D G

I N

G

M I L I T

A R

Y

O

C E

R

M I N

A L

S

U N

I N

T

M

O T

S U

B R

U N

S W

I C

K

C

O U

N T

Y

N

O R

R

O L I N

A

U S

A

R M

Y

C

O R

E

N G

I N

E E

R S

W I L M

I N

G T

S

T R

I C

T

D

A R

L I N

G T

E

N U

E

W I L M

I N

G T

O N

N

O R

R

O L I N

A

3 2

X

H

W

I L

D E

J

M

I T

C H

E L

L

D R

A W

I N

G

C

O D

E

S U

J

M

A N

N I N

G

J U

W

P M

B

L

B

O W

L E

S E

A R

L Y

F I L

E

N

A M

E

FOUO

F O

R

O

F F

I C

I A

L

U

L

Y

M

A T

C H

L I N

E

S E

E

S

H E

F O

R

C

O N

T I N

U A

T I O

N

M

A T

C H

L I N

E

S E

E

S

H E

F O

R

C

O N

T I N

U A

T I O

N

SECURITY BARRIER

DOLPHIN PILE

DREDGING SECTION "A"

(3H:1V SIDE SLOPE)

DREDGING SECTION "B"

(BOX CUT)

CONTOUR

-38

AREA TO BE DREDGED

SOUNDINGS

NAVIGATION AIDS

LEGEND

M.L.L.W.

REQUIRED

DEPTH

NOT TO SCALE

EXISTING

BOTTOM

CONTRACTOR DREDGE EQUIPMENT

SHALL MAINTAIN A 15' OFFSET

FROM FACE OF CONCRETE

PAYMENT WILL NOT BE

MADE FOR MATERIAL

REMOVED IN THIS AREA.

EXISTING BOTTOM

2'ALLOWABLE

OVERDEPTH

M.L.L.W.

NOT TO SCALE

BERTH

CHANNEL PRISM

LINE (TYP)

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

NOTES:

1. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MEAN LOWER LOW WATER (M.L.L.W.).

2. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED MEAN LOWER LOW WATER (M.L.L.W.) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

3. PROJECT SURVEYED 3, 12, & 16 JUNE 2020 WITH DISTRICT SURVEY VESSEL "SANDERSON" USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

4. TIDE GAGE LOCATED AT: LIGHT 14

5. THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULT OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT

THAT TIME.

6. NAVIGATION AIDS LOCATED BY SURVEY VESSEL