A21 - AIWW_South_RTA_Plans.pdf

PDF 12 MB Posted

Attached to
Atlantic Intracoastal Waterway (AIWW) South
Solicitation number
W912PM22B0024
Issued by

About this file

This document provides details for a federal contract solicitation issued by the U.S. Army Corps of Engineers Wilmington District. The solicitation is for maintenance dredging of the Atlantic Intracoastal Waterway between Wilmington and Shallotte, North Carolina, requiring the removal of approximately 550,000 cubic yards of shoaled material from the channels. Dredged materials will be placed on approved ocean beaches and confined disposal islands between November 16th and March 31st or April 30th depending on the beach location. The contract will be a 100% small business set-aside with a firm fixed price and a magnitude between $10-25 million. The bid opening date will be specified when the electronic solicitation is issued on or around July 18th, 2022. The North American Industry Classification code is 237990 and the size standard is $30 million. Offerors must register in the System for Award Management to be eligible for award. Interested parties should check the website for amendments and contact the listed contracting staff with any questions.

View the file

Other files

Show all 13

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

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

SU

BM

IT

TE

D B

Y:

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

D

ES

IG

N

ED

B

Y:

SO

LI

C

IT

AT

IO

N N

O

C O

N

TR

AC

T

N O

AW

AR

D D

AT

E:

SI

ZE

M

AR

K

D

ES

C R

IP

TI

O N

D

AT

E

SHEET ID

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

WILMINGTON DISTRICT

ATLANTIC INTRACOASTAL WATERWAY

MAINTENANCE DREDGING

SOUTH CONTRACT

NORTH CAROLINA

W912PM22B0024

TBD

JULY 2022

AI

W

W

-0

8-

G

1_ C

O

VE

R .d w g

T.

K

N

IG

H T

J.

C

AR

TE

R

J.

C

AR

TE

R

J.

M

AN

N

IN

G

C O

VE

R

S H

EE

T

G001

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

W

2P M

B0

TB

D

D R

AW

IN

G C

O D

E:

FI

LE

N

AM

E:

AN

SI

D

W

2P M

C

XX

XX

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

SO

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

R

EA

D Y

TO

A

D

VE

R

TI

SE

US Army Corps of Engineers ®

Approval Recommended: *

Approved: *

DATE

DATE

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

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

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

AMENDMENTS:

28 JUNE 2022

1 JULY 2022

Carolina Beach

Wilmington

Topsail Beach

Morehead City Beaufort

Washington

Jacksonville

SCALE IN MILES

20 300 10

MASONS INLET CROSSING

& PLACEMENT AREA 241 (OPTIONS)

Sheet No. Title

GI01 LOCATION MAP AND INDEX OF DRAWINGS

CN101

CN102

CN103

CN104

CN105

INDEX OF DRAWINGS

COVER SHEETG001

SECTION 4 TANGENT 3 SHINNS CREEK DREDGING LIMITS

SECTION 4 TANGENT 3 (SHINNS CREAK) AND PLACEMENT AREA DA248

PLACEMENT AREA 248 SITE PLAN

SECTION 4 TANGENT 3 OTHER AREAS DREDGING LIMITS

SECTION 4 TANGENT 3 (OTHER AREAS) AND PLACEMENT AREA DA256

PLACEMENT AREA 256 SITE PLAN

LOCKWOODS FOLLY INLET CROSSING & WIDENER

LOCKWOODS FOLLY INLET AND WIDENER PLACEMENT AREA

SHALLOTTE RIVER CROSSING TANGENT 17

SHALLOTTE INLET DREDGING LIMITS

SHALLOTTE INLET AND TANGENT 17 PLACEMENT AREA

SECTION 3 TANGENT 12 MASONS INLET CROSSING DREDGING LIMITS

MASONS INLET AND PLACEMENT AREA DA241

PLACEMENT AREA 241 SITE PLAN

EROSION & SEDIMENT CONTROL NOTES & DETAILS

STRUCTURAL NOTES

STRUCTURAL WEIR RISER SYSTEM TYPICAL PLAN AND SECTION

STRUCTURAL WEIR RISER FABRICATION ELEVATIONS

STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS

STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS

STRUCTURAL WEIR FOUNDATION SECTIONS AND DETAILS

STRUCTURAL WEIR RETURN PIPE ANCHORAGE SECTIONS AND DETAILS

SPILLWAY MISCELLANEOUS DETAILS

STRUCTURAL GRATING DETAILS

LOCKWOODS FOLLY INLET CROSSING

(WIDENER OPTION)

SECTION 4 TANGENT 3

PLACEMENT AREAS 248 AND 256

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

3 22 "X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

LO

C

AT

IO

N M

AP

A

N D

IN

D

EX

O

F D

R

AW

IN

G

S

GI01

CN106

CN107

CN501

G I0

1_ Lo ca tio n_ In de x

CN108

CN109

CN110

CN111

S-001 S-101 S-102 S-103 S-104 S-105 S-106 S-107 S-108

SHALLOTTE INLET & TANGENT 17

CN112

CN113

CN114

AutoCAD SHX Text N

AutoCAD SHX Text

NEUSE

AutoCAD SHX Text

RIVER

AutoCAD SHX Text

GREENE

AutoCAD SHX Text

CARTERET

AutoCAD SHX Text

WASHINGTON

AutoCAD SHX Text

DARE

AutoCAD SHX Text

TYRREL

AutoCAD SHX Text

BEAUFORT

AutoCAD SHX Text

PAMLICO

AutoCAD SHX Text

CRAVEN

AutoCAD SHX Text

HANOVER

AutoCAD SHX Text

NEW

AutoCAD SHX Text

ONSLOW

AutoCAD SHX Text

JONES

AutoCAD SHX Text

LENOIR

AutoCAD SHX Text

DUPLIN

AutoCAD SHX Text

PENDER

AutoCAD SHX Text

BRUNSWICK

AutoCAD SHX Text

COLUMBUS

AutoCAD SHX Text

BLADEN

AutoCAD SHX Text

SAMPSON

AutoCAD SHX Text

MARTIN

AutoCAD SHX Text

WAYNE

AutoCAD SHX Text

PITT

AutoCAD SHX Text

WILSON

AutoCAD SHX Text

JOHNSTON

AutoCAD SHX Text

EDGECOMBE

AutoCAD SHX Text

NASH

AutoCAD SHX Text

RIVER

AutoCAD SHX Text

HYDE

AutoCAD SHX Text

PAMLICO SOUND

-12 CONTOUR

CENTERLINE CHANNEL PRISM LINE

90'

EASTING

BUOY #129 2,354,977

161,514 162,856

2356000

163000

MILEBOARD 285

"129A"

150+00 155+00

2354000

165000 2355000

163000

160+00 180+00 185+00 189+60.2175+00165+00 170+00

SECTION 4 TANGENT 4

SOUNDING

NAVIGATION AIDS

LEGEND

AREA TO BE DREDGED

DESCRIPTION

NOTES

CENTERLINE OFFSET

BORING LOCATION

SCAIWW-07-V-1

SCAIWW-07-V-2

SCAIWW-07-V-3

WB-01-27

WB-01-28

WB-01-29

WB-01-30

1.

2.

3.

4.

5.

6.

7.

8.

2,354,271LIGHT DM #129A

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

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.

PROJECT SURVEYED 05 APRIL 2022 WITH DISTRICT SURVEY VESSEL "ROGERS",

USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING

EQUIPMENT.

TIDE GAGE LOCATED AT: MB 285

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.

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

EASTING AND NORTHING COORDINATES ARE IN FEET.

THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS PLACEMENT

AREA 248. FOR LOCATION OF PLACEMENT AREA SEE SHEETS CN102 AND CN103.

BORINGS ARE REPRESENTATIVE OF SUBSURFACE CONDITIONS AT THE TIME IN WHICH THEY

WERE ORIGINALLY DRILLED. SUBSURFACE CONDITIONS WITHIN THE REGULARY MAINTENANCE

DREDGE PRISM MAY CHANGE OVER TIME DUE TO PERIODIC REMOVAL OF MATERIAL AND

SEDIMENTARY IN-SHOALING.

-12

-12

-12

-12

-12

-1

-1

-1

-12

-12

N: 164379.53 E: 2355701.09

N: 164342.67 E: 2355784.06

N: 162676.58 E: 2354773.55

N: 162723.30 E: 2354696.52

"129"

NORTHING

-12

-12

-10

-17

-17

-13

-11

-6

-12

-13

-17

-5

-18

-7

-11 7-15

-19

-13

-8

-8

-11

-13

-18

-16

-10

-14

-14

-13

-12

-11

-17

-17

-2

-15

-14

-16

-11

-11

-8

-15

-11

-17

-13

-14

-8

-19

-15

-10

-17

-13

-16

-14

-19

-11

-9

-18

-10

-11

-5 5-12

-11

-17

-10

-12

-13

-21

-15

-8

-14

-8

-8

-15

-17

-8

-11

-18

-12

-10

-16 4 -10

-18

-11

-12

-12

-9

-5

-7

-11

-8

-10

-14

-13

-10

-10

-13

-3

-8

-21

-11

-15

-13

-16

-10

-14 6 -15

-16

-9

-15

-8

-13

-16

-14

-10

-11

-18

-14

-7

-11

-19

-9

-6

-5

-13

-11

-5

-15

-8

-18

-14

-15

-8 7-14

-16

-10

-14

-11

-17

-12

-4

-17

-7

-13

-10

-15

-14

-18

-7

-10

-13

-8

-10 9-13

-11

-12

-7

-3

-16

-9

-18

-10

-16

-14

-12

-11

-9

-17

-16

-10

-16

-9

-9

-14

-18

-14

-16

-6

-6

-8

-15

-20

-12

-7

-18

-17

-13

-14

-14

-15

-14

-15

-11

-14

-15

-17 9 -13

-9

-12

-8

-12

-16

-15

-10

-19

-15

-4

-15

-10

-10

-13

-13

-12

-10

-19

-6

-16

-9

-13

-12

-14

-13

-13 4 -10

-2

-14

-12

-7

-13

-11

-11

-13

-14

-16

-8

-17

-9

-14

-11

-11

-11

-11

-9

-21

-10

-10

-7

-18 0-16

-11

-16

-10

-13

-12

-15

-8

-11 5-17

-12

-13

-11

-14

-15 5 -11

-14

-12

-12

-15

-13

-15

-1

-8

-3

-14

-15

-16

-11

-13

-10

-21

-4

-17

-16

-10

-15

-15

-14

-5

-14

-12

-7

-18 0 -11

-10

-19

-12

-14

-2

-10

-12

-6

-8

-10

-20

-9

-13

-10

-9

-16

-9

-5

-19

-11

-20

-10

-12

-16

-14

-15

-21

-16

-5

-14

-14

-11

-16

-5

-10

-11

-15

-10

-1

-12

-16

-15

-8

-17

-11

-2

-2

-10

-11

-11

-14

-8

-6

-15

-13

-8

-18

-17

-17

-16

-8

-18

-14

-13 4-14

-13

-4

-16

-14

-6

-18

-16

-18

-6

-22

-9

-8

-14

-12

-9

-13

-10

-15

-11

-9

-12

-15

-12

-12

-8

-14

-17

-17

-8

-13

-17

-8

-15

-15

-12 4 -8

-8

-10

-12

-16

-13

-17

-16

-10

-12

-15

-16

-10

-14

-13

-21

-10

-5

-12

-13

-6

-17

-13

-9

-13

-18

-1

-2

-18

-11

-11

-14

-16

-8

-18

-5

-10

-9

-12

-7

-15

-19

-6

-16

-16

-12

-16

-15

-5

-13

-6

-13

-7

-11

-8

-9

-3

-10

-15

-10

-16

-15

-10

-11

-8

-12

-12

-13

-6

-11

-10

-9

-10

-15

-2

-11

-10

-15

-12

-11

-15

-10

-8

-6

-11

-22

-11

-14

-10

-11

-11

-8

-16

-14

-15

-11

-15

-12

-14 3-14

-6

-6

-15

-5

-14

-14

-14

-16

-15

-22

-11

-14

-11

-18

-15

-15

-3

-9

-12

-11

-4

-16

-10

-15

-13

-17

-20

-16

-9

-13

-19

-15

-14

-14

-6

-16

-5

-23

-15

-12

-18

-12

-13

-16

-13

-18

-16

-13

-10

-15

-16

-16

-17

-14

-19

-14

-15

-12

-8

-10

-18

-17

-8

-11

-10

-8

-5

-15

-12

-15

-17

-14

-9

-16

-14

-13

-13

-11

-16

-16

-7

-12

-16

-3

-14

-13

-6

-13

-7

-10

-13

-18

-20

-12 6-12

-5

-22

-13

-17

-15

-14

-11

-13

-13

-14

-9

-9

-10

-12

-15

-2

-14

-15

-10

-13

-15

-13

-12

-5

-17

-11

-2

-12

-5

-8

-17

-9

-4

-9

-7

-18

-11

-16

-19

-16

-13

-18

-9

-19

-16

-15

-7

-11

-9

-15

-13

-17

-13

-5

-9

-12

-17 5 -14

-16

-10

-14

-14

-7

-16

-18

-7

-16

-11

-16

-12

-4

-5

-16

-9

-12

-13

-19

-16

-16

-13

-18

-11

-8

-9

-7

-15

-19

-10

-10

-16

-2

-5

-13

-8

-9

-17

-14

-15

-21

-21

-14

-19

-18

-15

-18

-12

-1

-12

-13

-14

-18

-16

-14

-16

-14

-19

-7

-20

-11

-17

-9

-10

-15

-13

-19

-8

-11

-11 0-14

-18

-20

-11

-18

-10

-10

-15

-10

-11

-14

-14

-9

-18

-11

-18

-10

-13

-18

-10

-23

-14

-9

-16

-10

-13 8 -11

-16

-11

-10

-9

-17

-8

-16

-15

-5

-16

-21

-3

-17

-10

-12

-29

-4

-16

-10

-17

-12

-11

-14

-13

-12

-6

-13

-11

-10

-7

-17

-16

-9

-15

-10

-12

-14

-11

-15

-20

-11

-13

-8

-14

-5

-11

-15

-9

-2

-21

-15

-3

-8

-6

-15

-8

-11

-11

-15

-13

-4

-12

-16

-8

-9

-13

-21

-7

-10

-7

-4

-8

-15

-17

-2

-12

-14

-11

-11

-4

-13

-9

-7

-28

-16

-8

-2

-15

-8

-11

-25

-15

-4

-8

-11

-14

-21

-15

-11

-13

-10

-7

-16

-5

-11

-7

-10

-16

-14

-13

-18

-15

-7

-12

-9

-9

-17

-12

-18

-15

-3

-9

-1

-15

-8

-17

-11

-18

-6

-13

-11

-17

-17

-14

-6

-8

-14

-10

-16

-15

-18

-9

-13

-13

-12

-3

-14

-16

-9

-13

-17

-17

-18

-14

-12

-19

-17

-16

-3

-15

-3

-11

-10

-10

-9

-7

-11

-15

-18

-13

-20

-20

-14

-5

-13

-10

-18

-14

-12

-15

-4

-18

-21

-18

-21

-17

-12

-11

-10

-12

-20

-9

-8

-6

-9

-12

-8

-14

-11

-17

-20

-13

-6

-20

-15

-13

-6

-22

-16

-13

-8

-8

-15

-15

-8

-12

-13

-10

-16

-17

-4

-13

-16

-13

-15

-18

-12 0 -10

-8

-16

-11

-1

-8

-13

-2

-7

-9

-7

-10

-17

-9

-12

-12

-3

-8

-14

-10

-12

-10

-9

-10

-9

-8

-11

-13

-13

-13

-9

-14

-16

-12

-14

-16

-15

-18

-17

-13

-18

-2

-18

-17

-4

-13

-3

-20

-12

-12

-11

-10

-3

-9

-17

-4

-12

-16

-11

-20

-15

-11

-8

-12

-10

-15

-15

-17

-3

-10

-5

-8

-20

-16

-5

-14

-13

-12 8-9

-9

-7

-16

-14

-7

-14

-12

-6

-9

-14

-15

-7

-14

-13

-18

-11

-20

-14

-6

-10

-13

-15

-12

-15

-10

-15

-8

-16

-15

-11

-13

-17

-15

-13

-17

-18

-9

-17

-12

-15

-14

-12

-18

-14

-2

-9

-8

-4

-17

-18

-18

-12

-12

-16

-11

-4

-8

-18 5-13

-3

-12

-15

-14

-4

-16

-11

-13

-11

-18

-7

-13

-17

-21

-11

-12

-6

-10

-14

-14

-16

-12

-17

-19

-10

-2

-9

-19

-7

-8

-10

-16

-15

-14

-17

-19

-15

-7

-7

-6

-15

-7

-17

-14

-15

-10

-8

-12

-13

-14

-19

-16

-16

-7

-7

-11

-11

-8

-9

-17

-16

-14

-18

-11

-15

-7

-16

-14

-7

-14

-9

-13

-15

-6

-6

-1

-17

-15

-14

-16

"DM 3"

DM #3 2,356,354 162,450

SECTION 4 TANGENT 3

CHANNEL PRISM

LINE (TYP)

2' ALLOWABLE

OVERDEPTH

M.L.L.W.

3(TYP)

NOT TO SCALE

TYPICAL DREDGING SECTION

DEPTHREQUIRED

90'

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN101

SE

C

TI

O

N

T

AN

G

EN

T

SH

IN

N S

C R

EE

K

D R

ED

G

IN

G

L

IM

IT

S

C N

1_

Sh in ns C rk -2

2.

dw g

Feet 0 400 800

-10.5

NOTES:

1.

2.

3.

4.

5.

6.

7.

8.

PRIOR TO PLACEMENT OF PIPE FOR THE INLET PIPELINE ROUTE, THE CONTRACTOR SHALL MEET ON SITE WITH THE

CONTRACTING OFFICER'S REPRESENTATIVE TO DETERMINE THE EXACT PIPELINE ROUTE.

VERTICAL DATUM NAVD 88. THE CONTRACTOR IS RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL CONTROL

PRIOR TO PLACEMENT OF DREDGED MATERIAL IN THE DESIGNATED PLACEMENT AREA.

HORIZONTAL DATUM NAD 1983.

PHOTOGRAPHY DATED: FEBRUARY 2022. COPYRIGHT 2022 MAXAR TECHNOLOGIES

AREA TO BE DREDGED SHOWN THUS:

FOR DETAILS OF AREAS TO BE DREDGED, SEE SHEET CN101.

ALL CONTRACTOR OPERATIONS SHALL BE PERFORMED IN A MANNER THAT AVOIDS DAMAGE TO EXISTING DIKES.

DIKES DAMAGED BY CONTRACTOR OPERATIONS SHALL BE REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE AT NO COST TO THE GOVERNMENT OR TO THE OWNERS OF THE DAMAGED PROPERTY.

PRIOR TO THE COMMENCEMENT OF DREDGING AND PLACEMENT OPERATIONS THE CONTRACTOR SHALL COORDINATE THE PIPELINE ALIGNMENT AND THE DISCHARGE POINTS FOR APPROVAL WITH THE CONTRACTING OFFICER AND HIS/HER DESIGNATED

REPRESENTATIVE.

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN102

SE

C

TI

O

N

T

AN

G

EN

T 3(

SH

IN

N S

C R

EE

K)

AN

D

P

LA

C

EM

EN

T

AR

EA

D A2

C

N

2_ Sh in ns

C rk

_D A2

_p la ce m en t.d w g

Feet 0 1000 2000

SHINNS CREEK DREDGING AREA

APPROXIMATE PIPELINE ROUTE

PLACEMENT AREA

DA248

SE

C

TI

O

N

T

AN

G

EN

T

MOTTS CHANNEL - TANGENT 5

SE

CT

IO

N

TA

NG

EN

T

W

RI

GH

TS

VI

LL

E

BE

AC

H

N: 170136.93 E: 2358099.37

N: 170209.84 E: 2358237.32 N: 170254.40

E: 2358275.54

N: 170347.18 E: 2358347.91

N: 170232.29 E: 2357959.66

N: 170212.37 E: 2357956.20

N: 170129.58 E: 2357964.74

N: 170266.01 E: 2357995.90

N: 170114.45 E: 2358079.13

N: 170307.84 E: 2358450.81

N: 170383.83 E: 2358522.32

N: 170352.91 E: 2358512.81

15 15

N: 170571.93 E: 2358136.49

N: 170524.13 E: 2358457.62

N: 170743.16 E: 2358483.76

N: 170892.25 E: 2358438.39

N: 170898.40 E: 2358393.80

TYPICAL SECTION NOTES:

TYPICAL DIKE SECTION

EXISTING

GROUND

OUTSIDE DIKED AREA

REQUIRED EL. 16'

INSIDE DIKED AREA

15'

CL

1' ALLOWABLE

OVERBUILD

REQUIRED FINISHED

GRADE

CLEAR & GRUB

SEEDING, FERTILIZING,

& MULCHING LIMITS

CLEARING (EXTEND TO OPPOSITE OUTSIDE EDGE OF EXISTING DIKE)

1. SLOPE TOP OF NEW DIKE 2% TO THE INSIDE.

2. ALL DISTURBED AREAS BEYOND THE OUTSIDE TOE OF

THE NEW DIKE EMBANKMENT SHALL ALSO BE SEEDED,

FERTILIZED, AND MULCHED.

TEMPORARY SILT FENCE

NOT TO SCALE

10' EXCAVATION AREA SETBACK

FROM NEW OR EXISTING DIKE TOE

CAPACITY EXCAVATION EL. 5.0'3

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

NOTES:

1. HORIZONTAL DATUM: NORTH CAROLINA STATE PLAN NAD83.

2. VERTICAL DATUM: NAVD88

3. CONTOUR INTERVAL ONE FOOT.

4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL CONTROL. AVAILABLE CONTROL POINTS IN THE VICINITY OF PLACEMENT

AREA CAN BE FOUND AT THE INTERNET SITE: http://www.ngs.noaa.gov/NGSDataExplorer/.

5. THE EXISTING CONTOURS SHOWN REPRESENT THE RESULT OF A LIDAR SURVEY PERFORMED 31 DECEMBER 2014.

6. PRIOR TO COMMENCEMENT OF WORK, TEMPORARY SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE PLAN OR AS DIRECTED BY THE CONTRACTING OFFICER OR

HIS/HER DESIGNATED REPRESENTATIVE. SEE SHEET CN501 FOR TEMPORARY SILT FENCE DETAILS.

7. CLEARING AND GRUBBING SHALL BE ACCOMPLISHED IN ACCORDANCE WITH SECTION 31 11 00.10 "CLEARING" OF THE SPECIFICATIONS. SEE TYPICAL DIKE SECTION ON

THIS PLATE FOR CLEARING AND GRUBBING LIMITS.

8. THE EXISTING SPILLWAY RISER AND 36" DIAMETER CORRUGATED GALVANIZED STEEL SPILLWAY PIPES SHALL BE REMOVED AND REPLACED WITH THE NEW RISER

STRUCTURE AND HDPE PIPE AS SHOWN ON SHEETS S-101 THROUGH S-109.

9. SEE TYPICAL SECTION FOR DIKE EMBANKMENT DETAILS. THE NEW DIKE EMBANKMENT SHALL BE CONSTRUCTED IN ACCORDANCE WITH SECTION 31 01 00 DIKE

EMBANKMENT OF THE SPECIFICATIONS. ALL FILL MATERIAL FOR THE NEW DIKE EMBANKMENT CONSTRUCTION SHALL COME FROM WITHIN THE INTERIOR OF THE PLACEMENT AREA PROVIDED THAT IT MEETS THE REQUIREMENTS FOR SATISFACTORY MATERIAL AS DESCRIBED IN SECTION 31 01 00 DIKE EMBANKMENT OF THE

SPECIFICATIONS.

10. UPON COMPLETION OF INSTALLATION OF THE NEW SPILLWAY RISER AND PIPE, NEW DIKE EMBANKMENT CONSTRUCTION AND PLACEMENT OF STOPLOGS IN RISERS TO AN ELEVATION AS DIRECTED BY THE CONTRACTING OFFICER'S REPRESENTATIVE, THE CONTRACTOR SHALL REMOVE THE TEMPORARY EARTH BERMS.

11. CUTS MADE THROUGH THE EXISTING DIKE EMBANKMENT FOR REMOVAL AND REPLACEMENT OF THE SPILLWAY PIPE AND FOR EQUIPMENT ACCESS INTO THE PLACEMENT AREA SHALL BE REPAIRED UPON COMPLETION OF EXCAVATION AND SPILLWAY INSTALLATION OPERATIONS.

12. ALL DIKE EMBANKMENT REPAIRS SHALL BE IN ACCORDANCE WITH SECTION 31 01 00 DIKE EMBANKMENT OF THE SPECIFICATIONS. REPAIRS SHALL BE MADE TO

RESTORE THE DIKE TO PRE-CONSTRUCTION LINES AND GRADES.

13. THE CONTRACTOR SHALL GRADE THE INTERIOR OF OF THE DIKED AREA TO ASSURE FREE DRAINAGE TO THE SPILLWAY RISERS.

14. WETLANDS LOCATED AROUND THE PERIMETER OF THE PLACEMENT AREA ARE PROTECTED BY LAW. EXCAVATION AND/OR FILLING OF WETLANDS WILL NOT BE

ALLOWED. WETLANDS DAMAGED BY THE CONTRACT'S OPERATION SHALL BE RESTORED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. RESTORATION SHALL ONLY COMMENCE FOLLOWING DIRECTION FROM THE CONTRACTING OFFICER OR HIS/HER DESIGNATED

REPRESENTATIVE.

15. ALL SLOPES ARE 1V:3H UNLESS NOTED OTHERWISE.

16. ALL EMBANKMENTS SHALL BE 15'-0" WIDE, WITH EXCEPTION TO THE STRUCTURE EMBANKMENT WHICH SHALL BE 25'-0" WIDE.

17. STOCKPILE/DISPOSAL SLOPES SHALL BE NO STEEPER THAN 1V:2H.

SLOPE LINES

CENTERLINE

20 MAJOR CONTOUR

LEGEND

MINOR CONTOUR

BORROW AREA TIE

TO EXISTING EL. 5.0

PIPE OUTFALL

EL. 3.5

N: 170306.99 E: 2357751.37

CENTER POINT OF

RISER PAD, EL. 5.0

N: 170193.50 E: 2358008.76

EXCAVATION LIMIT LINE

N: 170519.00 E: 2358186.65

EXCAVATION LIMIT LINE

N: 170483.48 E: 2358428.57

EXCAVATION LIMIT LINE

N: 170457.07 E: 2358445.41

EXCAVATION LIMIT LINE

N: 170381.18 E: 2358444.35

DIKE CENTERLINE

DIKE CENTERLINE

Feet 0 100 200

CAPACITY EXCAVATION, EL. 5.0

PL

AC

EM

EN

T

AR

EA

SI

TE

P

LA

N

C N

3_

D A2

.d w g

CN103

CAPACITY EXCAVATION

DISPOSAL/STOCKPILE LIMITS

-12 CONTOUR

EASTING

LT. BUOY #137 2,345,907

150,938 148,067

SOUNDING

NAVIGATION AIDS

LEGEND

AREA TO BE DREDGED

DESCRIPTION

BORING LOCATION

1.

2.

3.

4.

5.

6.

7.

8.

2,347,714DM #135

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

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.

PROJECT SURVEYED 05 APRIL 2022 WITH DISTRICT SURVEY VESSEL "ROGERS",

USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING

EQUIPMENT.

TIDE GAGE LOCATED AT: MILEBOARD 285.

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.

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

EASTING AND NORTHING COORDINATES ARE IN FEET.

THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS PLACEMENT

AREA 256. FOR LOCATION OF PLACEMENT AREA SEE SHEETS CN105 AND CN106.

BORINGS ARE REPRESENTATIVE OF SUBSURFACE CONDITIONS AT THE TIME IN WHICH THEY

WERE ORIGINALLY DRILLED. SUBSURFACE CONDITIONS WITHIN THE REGULARY MAINTENANCE

DREDGE PRISM MAY CHANGE OVER TIME DUE TO PERIODIC REMOVAL OF MATERIAL AND

SEDIMENTARY IN-SHOALING.

N: 148171.36 E: 2345870.21

N: 148132.63 E: 2345952.36

N: 149327.52 E: 2346571.47

N: 149280.68 E: 2346648.68

N: 151080.30 E: 2347634.60

N: 151033.48 E: 2347711.79

N: 151849.81 E: 2348101.34

N: 151803.00 E: 2348178.52

"137"

"DM 135"

-8

-7

-10

-7

-16

-13

-16

-6

-11

-15

-15

-13

-13

-15

-17

-14

-11

-5

-14

-11

-16

-9

-13

-9

-12

-16

-14 6-11

-8

-6

-12

-13

-15

-11

-12

-9

-14

-11 0-7

-15

-16

-12

-7

-12

-11

-10

-7

-18

-15

-16

-9

-12

-14

-10

-16

-8

-12

-17

-11

-8

-13

-8

-10

-4

-12

-7

-15

-11

-6

-15

-13

-17

-17

-9

-11 2 -7

-8

-8

-7

-12

-11

-6

-15

-17

-16

-14

-8

-10

-17

-17

-13

-11

-6

-8

-14

-7 3-7

-9

-16

-15

-17

-15

-13

-15

-10

-11

-12

-11

-11

-14

-9

-6

-14

-14

-13

-14

-11

-13

-17

-10

-13

-16

-11

-7

-10

-14

-14

-12

-11

-9 3-10

-11

-8

-15

-14

-12

-14

-9 9 -9

-14

-12 5 -16

-15

-10 8-14

-12

-11

-15

-17

-15

-12

-16

-11

-12

-13

-11

-8

-10

-15

-5

-12

-9

-15

-17

-13

-12

-9

-16

-10

-12 3-10

-12

-12

-14

-13

-13

-9

-9

-9

-6

-11 6 -4

-13

-6

-8 0-9

-10

-9

-13

-14

-14

-6

-5

-11

-10

-15

-8

-12

-10 0-14

-9

-14

-13

-6

-5

-15

-16

-16

-15

-13

-8

-13 7-9

-15

-8

-18

-17

-16 8-9

5 -6

-12

-7

-17 5-16

-8

-9

-7

-13

-15

-16

-10

-12

-14

-6

-12

-12

-15

-8

-16

-13

-9 5 -11

-14

-14

-16

-12

-7

-12

-17

-17

-15

-13

-12

-11

-7 4-10

4 -15

-14

-7

-8

-15

-10

-14 3-14

0-10

-15

-13

-12

-13

-16

-17

-15

-11

-16

-10

-11

-16

-9

-16

-17

-9

-18

-7

-8

-15

-9

-9

-8

-19

-9

-12

-9

-12

-10 8 -9

-8

-5

-7

-7

-9

-10

-15 7-10

-11

-11

-14

-7

-13 2 -13

-11

-16

-7

-14

-14

-12

-14

-14

-9

-15

-14

-11

-15

-9 2-14

-15

-10

-11

-14

-10

-9

-15

-13

-17

-17

-11

-11

-13

-11

-14

-16

-10

-14 5-14

-7

-9

-12

-16

-14

-12

-9

-17

-12

-14

-13

-12

-12

-11

-9

-11

-14

-11

-13

-13

-14

-8

-15

-17

-17

-17

-8

-5

-17

-10

-17

-13

-13

-10

-13

-14

-14

-13

-10

-10

-8

-6

-14

-10

-14

-8

-14

-11

-17

-18

-11

-15

-6

-17

-7

-19

-17

-14

-14

-15

-10

-14

-14

-6

-11

-14

-7

-12

-10

-15

-15

-15

-8

-8 3 -12

-10

-15

-9

-14

-12

-10

-12

-9

-8

-10

-16

-14

-12

-11

-9

-17

-8

-9 7-7

-15

-9

-6

-14

-10

-8

-8

-9

-7 4-11

-15

-11

-11

-9

-10

-17

-11

-15

-14

-7

-15

-15

-10

-11

-16

-8

-8

-12

-7

-11

-13

-13

-14

-9

-13

-13

-11

-13

-4

-9

-11 0 -14

-15

-9

-11

-7

-10

-12

-11

-8

-6

-8

-10

-10 3 -10

-13

-15

-13

-6 5-11

-5

-11

-9

-13

-16

-9

-11

-14

-9

-8

-13

-15

-15

-10

-16

-18

-13

-6

-12

SECTION 4 TANGENT 3

CENTERLINE OFFSET

CHANNEL PRISM

LINE (TYP)

2' ALLOWABLE

OVERDEPTH

M.L.L.W.

3(TYP)

NOT TO SCALE

TYPICAL DREDGING SECTION

DEPTHREQUIRED

90'

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN104

SE

C

TI

O

N

T

AN

G

EN

T

O

TH

ER

A

R

EA

S D

R

ED

G

IN

G L

IM

IT

S C

N

4_ Se c4 Ta n3 _o th er

-2

2.

dw g

Feet 0 400 800

CHANNEL PRISM LINE

CHANNEL CENTERLINE

CHANNEL PRISM LINE

AutoCAD SHX Text -10.5

AutoCAD SHX Text

KIRKUM CE81

AutoCAD SHX Text 0+00

AutoCAD SHX Text 5+00

AutoCAD SHX Text 10+00

AutoCAD SHX Text 15+00

AutoCAD SHX Text 20+00

AutoCAD SHX Text 25+00

AutoCAD SHX Text 30+00

AutoCAD SHX Text 35+00

AutoCAD SHX Text 40+00

AutoCAD SHX Text 50+00

55+00

2.

3.

4.

5.

6.

7.

8.

PRIOR TO PLACEMENT OF PIPE FOR THE INLET PIPELINE ROUTE, THE CONTRACTOR SHALL MEET ON SITE WITH THE

CONTRACTING OFFICER'S REPRESENTATIVE TO DETERMINE THE EXACT PIPELINE ROUTE.

VERTICAL DATUM NAVD 88. THE CONTRACTOR IS RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL CONTROL

PRIOR TO PLACEMENT OF DREDGED MATERIAL IN THE DESIGNATED PLACEMENT AREA.

HORIZONTAL DATUM NAD 1983.

PHOTOGRAPHY DATED: MARCH 2022. COPYRIGHT 2022 MAXAR TECHNOLOGIES.

AREA TO BE DREDGED SHOWN THUS:

FOR DETAILS OF AREAS TO BE DREDGED, SEE SHEET CN104.

ALL CONTRACTOR OPERATIONS SHALL BE PERFORMED IN A MANNER THAT AVOIDS DAMAGE TO EXISTING DIKES.

DIKES DAMAGED BY CONTRACTOR OPERATIONS SHALL BE REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE AT NO COST TO THE GOVERNMENT OR TO THE OWNERS OF THE DAMAGED PROPERTY.

PRIOR TO THE COMMENCEMENT OF DREDGING AND PLACEMENT OPERATIONS THE CONTRACTOR SHALL COORDINATE THE PIPELINE ALIGNMENT AND THE DISCHARGE POINTS FOR APPROVAL WITH THE CONTRACTING OFFICER AND HIS/HER DESIGNATED

REPRESENTATIVE.

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN105

SE

C

TI

O

N

T

AN

G

EN

T

(O

TH

ER

A

R

EA

S)

AN

D P

LA

C

EM

EN

T

AR

EA

D

A2

C N

5_

Se ct

4T an

3_ D

A2

_p la ce m en t.d w g

Feet 0 1000 2000

SE

CT

IO

N

TA

NG

EN

T

SE

CT

IO

N

TA

NG

EN

T

APPROXIMATE PIPELINE ROUTE

SECTION 4 TANGENT 3 DREDGING

LIMITS (OTHER AREAS)

SECTION 4 TANGENT 3 DREDGING

LIMITS (OTHER AREAS)

PLACEMENT AREA DA256

N: 148803.61 E: 2346852.72

N: 148866.52 E: 2346876.50N: 148750.37

E: 2346860.98

N: 149064.97 E: 2347294.63

N: 149393.69 E: 2347434.89

N: 149558.35 E: 2347550.38

N: 149656.24 E: 2347302.09

N: 149517.02 E: 2347219.02

N: 148946.68 E: 2347224.16

N: 149204.95 E: 2347102.98

20 10

N: 148508.16 E: 2346999.67

N: 149698.30 E: 2347724.22

TYPICAL SECTION NOTES:

TYPICAL DIKE SECTION

EXISTING

GROUND

OUTSIDE DIKED AREA

REQUIRED EL. 20'

INSIDE DIKED AREA

20'

CL

1' ALLOWABLE

OVERBUILD

REQUIRED FINISHED

GRADE

CLEAR & GRUB

SEEDING, FERTILIZING,

& MULCHING LIMITS

CLEARING (EXTEND TO OPPOSITE OUTSIDE EDGE OF EXISTING DIKE)

1. SLOPE TOP OF NEW DIKE 2% TO THE INSIDE.

2. ALL DISTURBED AREAS BEYOND THE OUTSIDE TOE OF

THE NEW DIKE EMBANKMENT SHALL ALSO BE SEEDED,

FERTILIZED, AND MULCHED.

TEMPORARY SILT FENCE

NOT TO SCALE

10' BORROW AREA SETBACK

FROM NEW OR EXISTING DIKE TOE

BORROW AREA EL. 5.0'3

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

NOTES:

1. HORIZONTAL DATUM: NORTH CAROLINA STATE PLAN NAD83.

2. VERTICAL DATUM: NAVD88

3. CONTOUR INTERVAL ONE FOOT.

4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL CONTROL. AVAILABLE CONTROL POINTS IN THE VICINITY OF PLACEMENT

AREA CAN BE FOUND AT THE INTERNET SITE: http://www.ngs.noaa.gov/NGSDataExplorer/.

5. THE EXISTING CONTOURS SHOWN REPRESENT THE RESULT OF A LIDAR SURVEY PERFORMED DECEMBER OF 2014.

6. PRIOR TO COMMENCEMENT OF WORK, TEMPORARY SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE PLAN OR AS DIRECTED BY THE CONTRACTING OFFICER OR

HIS/HER DESIGNATED REPRESENTATIVE. SEE SHEET CN501 FOR TEMPORARY SILT FENCE DETAILS.

7. CLEARING AND GRUBBING SHALL BE ACCOMPLISHED IN ACCORDANCE WITH SECTION 31 11 00.10 "CLEARING" OF THE SPECIFICATIONS. SEE TYPICAL DIKE SECTION ON

THIS PLATE FOR CLEARING AND GRUBBING LIMITS.

8. THE EXISTING SPILLWAY RISER AND 36" DIAMETER CORRUGATED GALVANIZED STEEL SPILLWAY PIPES SHALL BE REMOVED AND REPLACED WITH THE NEW RISER

STRUCTURE AND HDPE PIPE AS SHOWN ON SHEETS S-101 THROUGH S-109.

9. SEE TYPICAL SECTION FOR DIKE EMBANKMENT DETAILS. THE NEW DIKE EMBANKMENT SHALL BE CONSTRUCTED IN ACCORDANCE WITH SECTION 31 01 00 DIKE

EMBANKMENT OF THE SPECIFICATIONS. ALL FILL MATERIAL FOR THE NEW DIKE EMBANKMENT CONSTRUCTION SHALL COME FROM WITHIN THE INTERIOR OF THE PLACEMENT AREA PROVIDED THAT IT MEETS THE REQUIREMENTS FOR SATISFACTORY MATERIAL AS DESCRIBED IN SECTION 31 01 00 DIKE EMBANKMENT OF THE

SPECIFICATIONS.

10. UPON COMPLETION OF INSTALLATION OF THE NEW SPILLWAY RISER AND PIPE, NEW DIKE EMBANKMENT CONSTRUCTION AND PLACEMENT OF STOPLOGS IN RISERS TO AN ELEVATION AS DIRECTED BY THE CONTRACTING OFFICER'S REPRESENTATIVE, THE CONTRACTOR SHALL REMOVE THE TEMPORARY EARTH BERMS.

11. CUTS MADE THROUGH THE EXISTING DIKE EMBANKMENT FOR REMOVAL AND REPLACEMENT OF THE SPILLWAY PIPE AND FOR EQUIPMENT ACCESS INTO THE PLACEMENT AREA SHALL BE REPAIRED UPON COMPLETION OF EXCAVATION AND SPILLWAY INSTALLATION OPERATIONS.

12. ALL DIKE EMBANKMENT REPAIRS SHALL BE IN ACCORDANCE WITH SECTION 31 01 00 DIKE EMBANKMENT OF THE SPECIFICATIONS. REPAIRS SHALL BE MADE TO

RESTORE THE DIKE TO PRE-CONSTRUCTION LINES AND GRADES.

13. THE CONTRACTOR SHALL GRADE THE INTERIOR OF OF THE DIKED AREA TO ASSURE FREE DRAINAGE TO THE SPILLWAY RISERS.

14. WETLANDS LOCATED AROUND THE PERIMETER OF THE PLACEMENT AREA ARE PROTECTED BY LAW. EXCAVATION AND/OR FILLING OF WETLANDS WILL NOT BE

ALLOWED. WETLANDS DAMAGED BY THE CONTRACT'S OPERATION SHALL BE RESTORED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. RESTORATION SHALL ONLY COMMENCE FOLLOWING DIRECTION FROM THE CONTRACTING OFFICER OR HIS/HER DESIGNATED

REPRESENTATIVE.

15. ALL SLOPES ARE 1V:3H UNLESS NOTED OTHERWISE.

SLOPE LINES

CENTERLINE

20 MAJOR CONTOUR

LEGEND

MINOR CONTOUR

CENTER POINT OF

RISER PAD, EL. 5.0

N: 148767.30 E: 2346939.19

PIPE OUTFALL

EL. 3.5

N: 148907.48 E: 2346690.50

RIGHT-OF-WAY LINE

START TRANSITION FROM

1V:3H SLOPE TO 1V:2H SLOPE

SLOPE 1V:2H

Feet 0 100 200

BORROW AREA, EL. 5.0

PL

AC

EM

EN

T

AR

EA

SI

TE

P

LA

N

C N

6_

D A2

.d w g

CN106

NOTES

SOUNDING

NAVIGATION AIDS

ABANDONED NAVIGATION AID

SINKER AND CHAIN

SHEEP ISLAND

HOLDEN BEACH

CHANNEL PRISM LINE

CENTERLINE

CHANNEL PRISM LINE

TANGENT 11

BULKHEAD

15+00 10+00 0+005+0040+00 35+0045+00 30+00 20+0025+00

64000

2234000

OAK ISLAND

-12 CONTOUR

LEGEND

CENTERLINE OFFSET

N 62,867 E 2,231,355

LO

C

KW

O

O D

S

FO

LL

Y

IN

LE

T

APPROXIMATE SHORELINE

LOCATION (TYP.)

AUGUST 2019

0'

AREA TO BE DREDGED

LOCKWOODS FOLLY INLET

CROSSING

OPTIONAL AREA TO BE

DREDGED

LOCKWOODS FOLLY

WIDENER

-12.0

DESCRIPTION EASTING NORTHING

BUOY #47 2232270 63087

BUOY #47A 2231943 63024

BUOY #48 2231018 63009

BUOY #46A 2232142 63196

LIGHT #48A 2229680 62824

LIGHT #44 2233904 63564

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 04 AUGUST 2021. WITH DISTRICT SURVEY VESSELS "RODGERS",

USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING

EQUIPMENT.

4. TIDE GAGE LOCATED AT: LT DM 48A

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

MADE ON THE DATE 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.

7. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS OAK ISLAND

BEACH FOR LOCATION OF PLACEMENT AREA SEE SHEET CN108.

8. STAGING OF MATERIAL OR EQUIPMENT WILL NOT BE PERMITTED ON THE NORTH SIDE OF

TANGENT 11 BETWEEN THE TWO PIERS AT APPROXIMATELY STATIONS 10+00 TO STATION

40+00.

9. CONTRACTOR SHALL HAVE SIGNS SET UP ON EITHER END OF THE DREDGING ARE A AND

AT ALL SUBMERGED PIPELINE CROSSINGS IN ACCORDANCE WITH SPECIFICATION 35 20 23.

"47A" "47"

"46 A"

"44" "48A" "48"N: 62818.93

E: 2230053.81

N: 62730.19 E: 2230068.81

N: 62887.96 E: 2231002.25

N: 62700.17 E: 2231248.96

N: 62917.88 E: 2232303.25

N: 63132.06 E: 2232446.40

N: 63461.20 E: 2233853.63

N: 63372.46 E: 2233868.63

-12 8 -12 2

-12 8-13 3-13 2-13 9-12 4-12 4-13 6-11 7-11 4-11 6-12 1-12 3-11 3-13 7-13 6-12 1-13 1-12 0-13 2-13 2-11 6-11 5-10 7-12 0-12 2-10 5-10 9-11 1-11 5-12 2 -17 2-18 8-17 1-15 6-14 0-13 6-14 1-14 2-13 6-14 0-13 2-12 4-12 9-12 9-12 5-12 6-13 0-12 9-13 2-13 6-14 1-14 5-11 7

-12 0-11 1-11 9-12 1-12 2-12 0-12 5-12 2-11 2-10 1-10 7-10 6-11 0-11 1-11 1-11 4-11 7

-11 3 -11 0 -11 3 -11 2 -11 6 -11 4 -11 8 -12 0 -13 3 -13 5 -13 6 -13 5 -14 1 -12 6 -13 6 -12 6 -12 5 -11 9 -12 0 -12 8 -12 9 -12 4 -14 4 -12 1 -16 7 -16 4 -17 8 -10 9 -10 3 -10 8 -11 4 -12 4 -13 1 -14 1 -14 2 -14 8 -14 7 -14 8 -15 2 -15 0

-14 8 -14 6 -12 8 -13 3 -14 5 -14 4 -14 4 -15 8 -14 3 -15 4 -13 8

-12 2 -12 5-12 4-11 8-11 3-10 4-10 5-11 0-11 1-10 5-9 8-9 9

-11 9-12 7-13 2-14 4-18 4-11 0-11 2-10 6-10 6-11 5-8 9-9 0-9 2-10 5-10 9-11 2-11 8-11 5

-11 5 -11 6 -11 5 -11 6 -12 2 -11 7 -12 8 -11 9 -10 6 -10 9 -10 9 -11 0 -11 5 -12 4 -13 2 -17 0 -16 0 -18 6 -18 8 -19 5 -18 8 -14 4 -12 8 -11 0 -10 5 -10 8 -11 0 -11 5 -12 0 -12 0 -11 8 -13 2 -12 5 -13 6 -15 1 -15 0 -14 5 -14 6 -14 7 -13 7

-9 5 -14 6-13 8-13 1-13 6-13 1-12 5-13 9-12 7

-14 3-12 4-13 7-12 3-12 6-14 5-12 1-11 0-11 2-10 9-11 3-12 1-14 2-16 1-17 1-14 4-13 8-13 8-13 6-13 4-12 4-12 4-12 7-12 9-13 2-13 1-13 4-13 2-13 1-11 5

-8 3 -7 4 -8 1 -8 0 -8 5 -9 2 -9 7 -9 5 -9 9 -10 2 -10 1 -10 0 -9 8 -9 5 -9 1 -9 1 -8 8 -7 6 -8 7 -9 7 -8 3 -9 7 -9 5 -8 9 -9 9 -10 2 -10 6 -10 8 -11 1 -11 7 -11 5 -11 4 -9 5 -9 7 -10 0 -12 8 -16 0 -18 1 -18 0 -15 4 -10 2 -10 8 -11 7 -13 3 -12 3 -12 9 -12 2 -12 9 -11 4 -11 6

-12 0 -11 3 -10 1 -9 7 -9 1 -6 8 -6 5 -7 9 -9 2 -10 5 -11 4 -12 4 -13 5 -14 5 -13 8 -13 4 -13 5 -13 2 -12 7 -15 0 -17 0 -15 9 -15 3 -14 3 -13 4 -12 6 -12 2 -10 7

-9 8

-11 1 -11 2-10 0-10 9-11 5-11 1-10 7-10 3-10 2-9 8-10 0-9 9-9 3-9 2-9 0-9 2-8 8-9 3-8 7-8 4-8 6-8 8-9 1-10 2-9 3-8 8-9 1-8 7-9 2-8 7-8 6-8 5-8 5-8 6-8 3-8 6-8 0-8 1-8 9-9 4-10 1-10 5-10 0-11 4-15 9-15 5-16 2-17 9-17 3-16 4-14 4-12 6-10 4-9 1-7 1-6 7-6 9-6 2-5 8-5 0-5 0-4 3-4 0-3 6-3 1-4 7-8 2-9 6-6 6-5 4-4 0-5 0-5 4-7 4-8 1

-6 9-7 2-7 1-7 3-7 7-7 8-8 5-9 1-9 0-9 2-9 2-8 9-8 8-9 2-9 4-9 5-9 5-9 3-9 3-10 6-10 8-10 2

-12 1 -13 8 -14 0 -13 9 -13 2 -12 8 -12 4 -13 4 -12 4 -12 4 -12 8 -13 8 -11 9 -12 2 -12 2 -13 1 -13 7 -15 2

-15 2 -16 0 -18 0 -18 8 -19 2 -17 2 -15 5 -13 5 -11 7 -11 8 -11 0 -11 0 -10 9 -12 2 -11 6 -12 7 -12 8 -13 9 -14 8 -14 8 -14 6 -14 1 -14 8 -14 4 -14 5 -13 8 -13 6

-13 8 -15 7 -14 0 -14 5 -14 6 -14 8

-14 2 -13 1 -15 0

-13 9

-13 9 -14 8-13 7-13 2-14 5-14 2-13 2-12 6-14 0-14 6-12 8-15 2-13 9

-13 5-13 6-12 5 -10 7-11 0-13 0

-18 9-13 2-13 8-14 3-14 8 -14 1-14 4-13 2-14 6-13 2-13 6-13 6-13 7

-13 2-13 2-13 4-14 0-13 2-11 0-11 6-11 4-11 6-11 6-11 7-11 8

-8 3 -6 8 -6 2 -6 3 -6 4 -7 2 -7 0 -7 5 -8 6 -9 4 -10 2 -15 8 -18 0 -19 4 -19 1 -19 3 -18 4 -16 4 -13 9 -11 6 -10 5 -10 7 -12 3 -11 2 -12 2 -12 4 -12 2 -12 8 -12 9 -13 9 -6 7 -5 2 -4 3 -4 1

-0 9 -1 7 -4 4 -10 4 -16 3 -19 2

-19 4 -19 4

-19 1 -19 1 -18 3 -16 6 -14 6 -12 8 -10 3 -10 0 -11 3 -11 4 -11 2 -12 2 -14 0 -14 7 -13 8 -14 0 -14 3 -14 2 -13 6 -13 9 -13 2 -12 7 -5 8

-2 1 -2 7-7 3-10 4-11 3-12 3-14 1-14 4-14 2-14 8-13 0-13 1-12 3-12 0-11 5-10 6-9 6-10 7-12 2-13 3-15 6-19 9-19 3-18 9-19 3-16 9-10 6-0 0

-4 3 -12 0 -18 2 -19 6

-19 4 -19 3

-19 8 -18 5 -14 9 -11 8 -11 4 -9 6 -11 4 -13 0 -13 6 -13 8 -13 0 -13 1 -14 4 -14 0 -14 1 -13 7 -12 7 -10 4 -7 1 -7 4 -2 9 -0 2

-0 4 -1 0-1 9-3 6-8 8-12 4-15 0-14 7-14 4-13 0-13 5-12 6-12 8-12 6-12 1-10 7-10 2

-10 3-14 1-17 8-19 4-19 5-19 4-19 4-13 3

-17 1 -20 5

-19 8 -17 9 -14 6 -8 0 -8 4 -10 4 -11 2 -12 6 -12 3 -12 2 -12 4 -13 5 -12 1 -13 8 -14 1 -13 8 -7 7 -10 4

-8 7 -11 4

-12 7-12 5-12 1-12 4-12 0-11 0-9 8-7 2-5 7-11 8-17 0 -19 1

-19 5-19 5-19 0

-0 1

-2 4

-6 7 -8 6 -14 5 -17 7 -18 9

-19 1 -18 9 -19 0 -18 8 -18 0 -16 7 -14 6 -13 1 -10 5 -10 9 -10 9 -11 5 -11 9 -13 5 -14 7 -12 8 -13 4 -12 9 -14 1 -13 4 -14 2 -13 5 -13 1 -12 5 -6 1 -1 4 -0 8

-4 4 -3 0 -2 8 -2 4 -2 5 -3 6 -3 0

-3 2 -3 3 -3 5 -3 4 -3 2 -3 2 -2 6 -2 8 -3 2 -3 4 -3 7 -3 6 -4 2 -3 3 -3 5 -5 7 -4 5 -5 6 -6 2 -6 8 -8 2 -10 1 -12 3 -14 6 -14 3 -13 8 -14 1 -14 3 -14 9 -15 8 -16 2 -14 9 -12 7 -11 0 -10 1 -9 6 -8 5 -8 2 -8 5 -8 8 -8 2 -8 4 -8 2 -8 5 -8 3 -8 5 -8 4 -8 5 -8 2 -8 0 -7 9 -8 7 -8 1 -8 0 -7 7 -7 5 -7 3 -7 1 -6 5 -6 1 -6 5 -6 7 -6 8 -5 7 -6 0 -5 8 -6 0 -6 4 -5 2 -5 5 -5 8 -5 7 -5 7 -8 2 -10 6

-10 1-8 1-5 1-3 5-3 2-2 8-2 7-3 0-2 8-3 0-2 6-2 6-2 4-2 6-2 5-3 1-3 4-4 7-4 2-5 0-5 5-6 1-7 1-7 4-7 3-7 9-8 3-8 6-8 8-9 0-9 3-9 6-9 8-10 2-10 0-10 2-10 3-10 1-10 0-10 5-9 8-10 0-9 8-10 0-11 0-12 6-13 5-14 6-15 4-14 9-14 0-13 6-13 2-12 4-10 5-8 3-6 6-6 0-4 6-4 3-4 7-5 9-6 6-6 6-5 6-5 3-4 7 -4 8

-5 3 -4 6

-4 8 -5 2

-6 5 -8 5 -8 9 -9 4 -9 8 -5 7 -7 7 -10 7 -12 4 -13 3 -14 2 -14 1 -14 6 -15 2 -15 6 -15 9 -15 0 -14 4 -13 4 -13 1 -12 9 -12 6 -12 5 -12 6 -12 4 -12 4 -11 8 -11 4 -10 8 -10 6 -10 2 -9 7 -8 8 -8 4 -7 8 -7 3 -6 9 -6 8 -6 4

-4 2

-5 4 -6 2-6 7-7 3-7 7-7 4-7 8-8 1-11 1-13 0-13 6-14 1-15 4-16 5-16 5-16 4-15 6-16 2-16 4-14 1-11 8-14 8-11 5-10 7-10 0-8 8-9 1-8 7-8 3-8 8-6 8

-5 1 -5 9

-7 2 -6 9

-6 1 -5 8 -5 6 -6 1 -6 5

-6 6 -6 0 -6 7 -9 3 -10 4 -11 4 -11 8 -14 2 -15 4 -15 4 -15 1 -15 4 -15 5 -15 7 -14 8 -14 2 -13 7 -13 6 -11 8 -8 2 -9 5 -9 1 -8 6 -8 2 -7 4

-7 6

-6 9-5 7-4 4-3 5-3 1-3 1-5 6-7 0-9 0-11 6-13 6-17 4-17 5-16 9-15 2-13 8-15 4-15 7-16 0-16 0-15 3-13 1-12 1-10 0-9 2-7 9-7 8

-12

-12

-12

-1 2 -1 2 -1

-12

N: 62553.59 E: 2231423.64

N: 62661.91 E: 2232064.55

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

3(TYP)

REQUIRED

NOT TO SCALE

TYPICAL DREDGING SECTION

' 2' ALLOWABLE

OVERDEPTH

DEPTH

VARIES

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN107

LO

C

KW

O

O D

S

FO

LL

Y

IN

LE

T C

R O

SS

IN

G

W

ID

EN

ER

Feet 0 400 800

C N

7_ lw f-x

-2

2_ w ith _w id en er .d w g

BCAIWW-08-V-11

BCAIWW-08-V-12

BCAIWW-08-V-13

BCAIWW-08-V-14

BCAIWW-08-V-15 BCAIWW-08-V-16

BCAIWW-08-V-17

LFI-02-10

LFI-02-11

LFI-02-9

LFI-02-8

LFIXAIWW-V-09-1 LFIXAIWW-V-09-10

LFIXAIWW-V-09-02

LFIXAIWW-V-09-3

LFIXAIWW-V-09-4

LFIXAIWW-V-09-5

LFIXAIWW-V-09-7

LFIXAIWW-V-09-8

LFIXAIWWV-V-09-9

WATER LINE

HOLDEN BEACH

2235000 63000

2232000 60000

TANGENT 8

TANGENT 9

SLOPE INTERCEPTNATURAL SLOPE

N.T.S.

SLOPE

INTERCEPT

EXISTING GROUND

N.T.S.

TRANSITION DETAIL

TOP OF BERM +6.0' NAVD 88

TIE INTO EXISTING

6' NAVD 88 CONTOUR

OR EXISTING GROUND

ELEVATION

500'

TIE INTO EXISTING

6' NAVD 88 CONTOUR

OR EXISTING GROUND

ELEVATION

500'

MIN. 150' WIDE

CONSTRUCTION

BERM

MIN. 150' WIDE

CONSTRUCTION

BERM

MIN. 150'

TANGENT 10

TANGENT 11

TANGENT 12

LO

C

KW

O

O D

S F

O

LL

Y

IN

LE

T

A T L A N T I C O C E A N

TYPICAL BEACH PLACEMENT SECTION

W. BEACH DRIVE

KINGS LYNN DRIVE

OAK ISLAND

54TH

PL W

60000 2238000

W. BEACH DRIVE

57TH

PL W

LO

CK

W O

O

DS

F O

LL

Y

RI

VE

R

MCCRAY STREET

OCEAN BLVD. E

3000' APPROXIMATE LIMITS OF PLACEMENT AREA

TH

P L

W

66TH

PL W

W. DOLPHIN DRIVE

60000 2238000

6000060000 2235000

GENERAL NOTES

1. HORIZONTAL DATUM NAD 1983.

2. PHOTOGRAPHY DATE: MAY 2022. COPYRIGHT 2022 MAXAR TECHNOLOGIES.

3. AREAS TO BE DREDGED SHOWN THUS -

4. FOR DETAILS OF THE AREAS TO BE DREDGED, SEE SHEETS CN107.

BEACH DISPOSAL NOTES

1. DUE TO THE AGE OF PHOTOGRAPHY, PIPELINE ROUTE SHOWN IS APPROXIMATE. PRIOR TO PLACEMENT OF PIPE, THE CONTRACTOR SHALL MEET ON SITE 7 TO 10 CALENDAR DAYS WITH THE CONTRACTING OFFICER'S

REPRESENTATIVE AND A REPRESENTATIVE FROM THE NORTH CAROLINA WILDLIFE RESOURCES COMMISSION TO DETERMINE THE EXACT PIPELINE ROUTE. THE AGREED UPON PIPELINE LANDING SPOT ON OAK ISLAND BEACH SHALL BE SURVEYED OR OTHERWISE LOCATED AND PROVIDED TO THE CONTRACTING OFFICER OR HIS/HER DESIGNATED

REPRESENTATIVE.

2. VERTICAL DATUM NAVD 1988. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ESTABISHING HORIZONTAL AND VERTICAL CONTROL PRIOR TO PLACEMENT OF DREDGED MATERIAL IN THE DESIGNATED PLACEMENT AREA.

3. THE CONTRACTOR SHALL BEGIN PLACEMENT OF DREDGED MATERIAL ON THE BEACH AT THE DESIGNATED PLACEMENT AREA OR AS DIRECTED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE.

DUE TO ONGOING CHANGES TO THE SHORELINE CAUSED BY OCEAN WAVES, THE EXACT BEGINNING POINT FOR PLACEMENT OF DREDGED MATERIAL WILL BE ESTABLISHED BY THE CONTRACTING OFFICER'S REPRESENTATIVE IMMEDIATELY PRIOR TO START OF DREDGING AND PLACEMENT OPERATIONS. PLACEMENT OF THE BERM SHALL CONTINUE DOWN THE BEACH AS FAR AS THE QUANTITY OF DREDGED MATERIAL WILL ALLOW. THE WIDTH OF THE BERM WILL BE DETERMINED BY THE ESTIMATED QUANTITY OF THE BEFORE DREDGE SURVEY AND MAY BE ADJUSTED

AT THE DISCRETION OF THE CONTRACTING OFFICER AND/OR HIS/HER REPRESENTATIVE.

4. ALL CONTRACTOR OPERATIONS SHALL BE PERFORMED IN A MANNER THAT AVOIDS DAMAGE TO EXISTING SANDBAGS, STRUCTURES, AND ROADS. SANDBAGS, STRUCTURES AND ROADS DAMAGED BY CONTRACTOR'S

OPERATIONS SHALL BE REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE AT NO COST TO THE GOVERNMENT OR TO THE OWNERS OF DAMAGED PROPERTY. IN ORDER TO MINIMIZE THE RISK OF DAMAGE, WHEELED OR TRACKED EARTH MOVING EQUIPMENT SHALL NOT WORK CLOSER THAN 10 FEET FROM STRUCTURES DURING ALL WORK, INCLUDING DISTRIBUTION AND MOVEMENT OF BEACH FILL MATERIAL. EXISTING SANDBAGS BELOW ELEVATION 6 FEET THAT LIE WITHIN THE BEACH FILL LIMITS SHALL NOT BE COVERED WITH FILL. IN AREAS WHERE IT IS NOT POSSIBLE TO TIE INTO THE 6-FOOT CONTOUR, THE CONTRACTOR

SHALL CONSTRUCT THE BACKSLOPE TO THE NATURAL ANGLE OF REPOSE.

5. ALL WORK ON THE BEACH, INCLUDING PIPE REMOVAL, SHALL BE COMPLETED BY 31 MARCH 2023. SEE PARAGRAPH ENVIRONMENTAL WINDOWS OF SECTION 01 57 19 OF THE SPECIFICATIONS FOR ENVIRONMENTAL

WINDOWS AND RESTRICTIONS.

6. CONTRACTOR SHALL POST SIGNS AND TEMPORARY FENCES IN AND AROUND ACTIVE ONSHORE WORK AREAS IN ACCORDANCE WITH SPECIFICATION 01 35 26, SPECIFICALLY 3.1.2 PUBLIC SAFETY AT BEACH PLACEMENT SITES.

APPROX. START POINT OF

BEACH PLACEMENT

0+00 5+00

10+00 15+00

20+00 25+00

30+00 35+00

40+00 45+00

50+00 55+00

60+00 65+00

70+00 74+15.26

APPROXIMATE MHW

APPROXIMATE MHW

APPROXIMATE LIMITS OF

PLACEMENT AREA

3,000'APPROX. BEGINNING

POINT FOR BEACH

PLACEMENT

N: 60144.00 E: 2234503.14

APPROXIMATE PIPELINE ROUTE

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CN108

LO

C

KW

O

O D

S

FO

LL

Y

IN

LE

T

AN

D W

ID

EN

ER

PL

AC

EM

EN

T

AR

EA

C N

8_ lw f_ pl ac em en t.d w g

Feet 0 1000 2000

TANGENT 16

TANGENT 17

TANGENT 18 "73"

"71A"

"76"

"75"

600002193000

610002191000

BCAIWW-08-V-6

BCAIWW-08-V-7

BCAIWW-08-V-8

BCAIWW-08-V-9

SHALO

TTE RIVER

BCAIWW-08-V-10

35+27.45

0+005+0010+0015+0020+0025+0030+0035+00

200'

90'

CHANNEL PRISM LINE

CENTERLINE OFFSET

-12

-12 -12

-12

-12

"77"

"78"

-17 6

-1 9

-8 3

-1 4

-11 6

-0 2

-15 2

-8 0

-5 7

-14 9

0 9

-11 2

-4 6

-17 2

-13 2

0 2

-10 2

-3 8

-12 2

-1 5

-0 8

-13 3

-10 5 -11 2

-8 4

-0 6

-16 8

-2 9

-9 7

-17 8

0 5

-3 9

-14 6

-6 0

-5 2

-5 9

-7 8

-4 1

-6 7

-5 8 -2 6

-18 0

-4 0

-11 9

-11 5

-9 4

-5 1

-16 8

-17 5

-8 4

-7 9-14 5

-11 8

-11 8

-12 8

-12 2

-16 4

-9 4

-1 1

-12 2

-15 7

-8 2

-18 2

-2 6 -0 9

-19 0 -6 4

-6 4

-2 0

-1 5

-6 7

-10 6

-8 2

-12 1 -18 8

-13 4

-13 5

-8 9

-1 5

-5 5

-13 0

-9 1-20 8

-18 2

-5 5

-11 5

-14 6

-15 6 0 1

-12 2

-7 2 -10 8

-12 8

-14 2

-12 4

-15 6

-11 0

-9 8

-18 1

-11 8

-17 3

-6 7 -12 5

-21 0

-14 3

-0 6

-5 4

-9 4

1 3

-13 9

-1 5

-20 4

-1 2

-16 5

-14 4

-13 4 -10 7

-7 9

-14 7

-5 2

-5 4

-4 4

-11 8

-12 2

-17 4

0 1

-11 3

-7 5

-11 4

-12 3

-18 4

-14 7

-12 4

-12 6

-13 8

-2 9 -4 1

-13 0

-2 2

-12 2

-11 1

-8 9

-13 1

-3 0

-15 6

-11 3

-6 8

-15 6

-18 1 -1 2 -1 6

-10 8

-1 5

-15 5

-11 8

-7 8

-7 5

-16 1

0 5

-12 1

-13 4

-14 5

-11 0

-13 5

-9 5

-11 4

-14 3

0 8 -0 7

-6 8

-1 9

-4 6 -9 8

-0 1

-16 5

0 0

0 2

0 6

-4 9

-3 6

-17 9

-2 7

-15 2

-13 0

-13 8

-1 3

-12 0

-1 4 -2 0

-14 2

-16 6

-4 8

-16 4 -11 9

-6 2

-11 0

-20 4

-12 6

-13 8

-5 2 -11 7

-17 6

-21 1

-16 0

-13 4

-7 7

-2 4

-4 1

-1 1

-4 3

-13 7

-5 0

-9 8

-0 7

-12 4

-2 9

-10 2

-12 0 -7 0

-15 1

0 1

-20 0

-15 8

-15 8

-9 3

-19 3

-0 9

-15 6

-0 7

-16 1

-12 1

-6 8

-5 3 -4 6

-17 2

-15 1

-16 4

-13 8

-4 7

-12 8

-7 6-4 2

-1 6

-20 7

-8 0

-17 5

-14 2

-3 3

-10 2

-14 7

-12 7

-8 0

-10 2

-2 3

-12 4

-11 2

-15 9 -4 1

-15 0

-15 1

-15 5

-18 8

-2 6-13 3 -10 9

-1 2

-12 0

-0 6 0 9 0 8

-11 8

-5 2

-14 4

-13 9 -6 3

-15 3

-17 6

-9 2

-12 3

-3 5

-14 1

-13 4

-19 6

-1 7

-4 2-6 9

-12 1

-9 6

-0 2 -20 3

-0 8

-4 4

-1 0 -8 5

-16 5 -5 8

-17 0 -4 0

-15 2

-13 9

-12 0-13 7

-17 0

-9 7

-20 8

-7 8

-16 6

-11 5

-18 2

-9 4

-1 3

-1 5

-4 8 -8 1

-14 7

-9 9

-16 4

-5 8

-2 2

-11 8

-8 3

-7 7

-8 4

-12 8

-2 6

-10 2

-3 9

-15 0

-16 6 -5 6

-10 3

-4 0

-9 6

-6 4

-18 5

-16 5

0 2

-12 6

-9 0 -2 5-2 1

-2 8

-10 9

-17 3

-14 4

-8 9

-15 3

-13 6

-10 5

-0 2 -5 0

-6 2

-14 6

-9 5

-16 6

-8 6

-7 3

-8 8

-0 6

-4 0

-0 61 2

0 3

-4 2

1 3

-15 0 -3 0

-7 5

-17 4

-5 2

-17 1

-10 2

-9 2 -8 1

-10 6

-8 3

-4 9

-15 1

-6 7

-1 5

-11 9

-11 4

-17 7

-6 1

-1 8

-12 5

-10 2

-3 4

-8 1

-3 4

-14 6 -2 9

-7 3

-7 2

-17 3

-6 8 -10 5

-14 4

-3 2

-1 4

-12 9

-5 8 -8 7

-14 1

-18 5

-17 1

-0 5

-5 7

-8 8

-12 8

-12 2

-7 4

-8 1

-18 3

-0 6

-16 2

-1 0

-15 3

-14 0

-14 0

-7 6

-13 2

-12 6

-13 6

-8 4

-17 6

-17 0

-4 9

-17 9

-17 9

-13 9

-17 1

-7 1

-15 1

-12 4

-13 3

-19 6 -7 5

-10 6

-0 5 -0 7

-5 5

-2 5

-17 4

-1 3

-15 1

-0 7 -1 6

-11 5

-9 0

-6 0

0 3

-1 0

-12 9

-3 8

-8 6

-8 2

-9 6

-10 0

-9 5

-17 6

-15 8

-14 8 -13 5

-16 0

-16 8

-11 7

-1 0

-0 4

-12 0

-8 6

-8 5

-0 1

-13 5

-11 4

-4 1

-8 6

-9 7

-17 3

-17 4

-2 7

-8 0

-9 4

-11 2

-9 4

-8 0 -11 7

-6 3

-12 6

-17 7

-2 9

-12 1

-16 7

-9 2

-0 1

-14 8

-14 0

-14 3

-10 6

-11 8

-11 2

-2 3 -9 8 -1 6

-10 8

-1 5

-1 1

-12 3

-0 7

0 0

-6 8 -5 9

-8 7

-13 7

-16 4

-10 9

-16 0 -2 2

-13 4

-13 9

-13 6

-9 0

-1 6-17 6

-17 0

1 1

-7 9

-21 1

-2 1

-8 4

-4 3

-12 2

-14 8

-1 3

-15 7

-16 2

-9 2

-14 1

-9 6

-14 4

-7 8 -13 8

-16 0

-9 9

-12 4

-17 5

-12 7

-14 5

-1 2

-5 3

-1 5

-1 3

-0 6

-16 5

-7 6

-7 0

-11 2

-12 6

-2 2-0 7

-8 5

-11 9

-15 3

-11 6

-1 0 -0 8

-1 6

-9 1 -4 5

-9 0

-11 0

-0 9

-14 5

-13 3

-0 3

0 4

-16 5

-11 0

-14 1

-16 7

-7 7

-12 4

-15 8

-19 4

-9 8

-19 7

-19 8

-0 7

-5 8

-17 1

-10 4

-2 5

-2 7

-8 1

-1 8

-9 2 -12 8

-0 9

-4 4 -4 0

-6 9

-1 1

-18 6

-2 5

-8 5

-7 5

-2 0

-11 2-10 6

-13 3

-7 4

0 1

-14 2

-0 4

-0 7

-3 0

-1 1

-4 8

-15 4

-19 0

-16 2

-9 6

-8 5

-16 5 -3 9

-16 3

-9 0

-8 8

-18 4

-0 7

-12 6

-18 0 -16 7

-20 4 -14 5

-12 2

-0 9

-9 2

-2 4

-9 4

-1 0

-17 6

-7 9

-16 1

-1 6

-8 6

-1 2

-0 9

-13 7

-14 8

-17 6

-7 6

-19 1

-18 3

-4 6 -3 2

-15 6

-1 8

N: 60149.93 E: 2190250.85

N: 60009.09 E: 2190080.59

N: 59560.56 E: 2191499.37 N: 59425.44

E: 2191656.82 N: 58620.67 E: 2193360.76

N: 58526.33 E: 2193350.14

N: 59869.70 E: 2190649.08

N: 59945.06 E: 2190684.85

N: 59253.12 E: 2192021.67

N: 59217.14 E: 2191994.35

SHI-V-21-024

SHI-V-21-023

SHI-V-21-025

SHIV-21-026

SHI-V-21-027

SHIV-21-028

C O

N

TR

AC

T

N O

D

ES

IG

N

ED

B

Y:

D

ES

C R

IP

TI

O N

A

M

AR

K

SI

ZE

SU

BM

IT

TE

D B

Y:

D

AT

E

SO

LI

C

IT

AT

IO

N N

O

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

AW

AR

D D

AT

E:

SHEET ID

B

C

D

E

F

G

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

AT

LA

N

TI

C

IN

TR

AC

O

AS

TA

L

W

AT

ER

W

AY

M

AI

N

TE

N

AN

C

E D

R

ED

G

IN

G

S O

U

TH

C O

N

TR

AC

T

N O

R

TH

C

AR

O

LI

N A

U .S

.A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

M

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

N U

E W

IL

M

IN

G

TO

N

, N O

R

TH

C

AR

O

LI

N A

"X

D R

AW

IN

G C

O D

E:

AI

W W

-0 8-

J.

M

AN

N

IN

G FI

LE

N

AM

E:

J.

C

AR

TE

R

T.

K

N

IG

H T

J.

C

AR

TE

R

W

2P M

B0

R

EA

D Y

TO

A

D

VE

R

TI

SE

W

2P M

C

XX

XX

XX

M

O N

TH

X

XX

X

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

3(TYP)

REQUIRED

NOT TO SCALE

TYPICAL DREDGING SECTION

' 2' ALLOWABLE

OVERDEPTH

DEPTH

NOTES

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

LEGEND

-12 CONTOUR

DESCRIPTION EASTING NORTHING

BORING LOCATION

VARIES

"b 76" 2190775.74 59815.53 "lt b 77" 2190032.11 59920.50 "b73" 2192503.44 58859.40 "b 75" 2191349.73 59403.32 "lt dm 71a" 2193484.08 58461.14 "lt b 78" 2189416.40 60096.93

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 06 APRIL 2022 WITH DISTRICT SURVEY VESSELS "ROGERS",

USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING

EQUIPMENT.

4. TIDE GAGE LOCATED AT: LTM DM 83

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

MADE ON THE DATE 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.

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

ISLE BEACH. FOR LOCATION OF PLACEMENT AREA SEE SHEET CN111.

8. BORINGS ARE REPRESENTATIVE OF SUBSURFACE CONDITIONS AT THE TIME IN WHICH

THEY WERE ORIGINALLY DRILLED. SUBSURFACE CONDITIONS WITHIN THE REGULAR

MAINTENANCE DREDGE PRISM MAY CHANGE OVER TIME DUE TO PERIODIC REMOVAL OF

MATERIAL AND SEDIMENTARY IN-SHOALING.

Feet 0 200 400

SH

AL

O

TT

E R

IV

ER

C R

O

SS

IN

G

TA

N

G

EN

T

C N

9_ ta n1

7_ sh lo tte

-rv -2

2.

dw g

CN109

-14.2

CENTERLINE OFFSET

CENTERLINE 10+00

0+00

5+00

25+40.83

15+00

20+00

56000 2185000

90' TANGENT 20

TANGENT 19

+00

+00

+00

+00

"80A"

CENTERLIN

E O

FFSET

+00

+82

.9

"82"

MONKS IS

LA

ND

OCEAN ISLE BEACH

58000 2186000

58000 2188000

57000 2187000

56000 2184000

DESCRIPTION EASTING NORTHING

AREA TO BE DREDGED

SOUNDING

NAVIGATION AIDS

LEGEND

CONTOUR

NOTES:

90' "81"

1.

2.

3.

4.

5.

6.

7.

8.

9.

SIXAIWW-V-09-1

SIXAIWW-V-09-2

SIXAIWW-V-09-3

SIXAIWW-V-09-4

SIXAIWW-V-09-5

SIXAIWW-V-09-6

SIXAIWW-V-09-7

SIXAIWW-V-09-8

SIXAIWW-V-09-9

BCAIWW-08-V-1

BCAIWW-08-V-2

BCAIWW-08-V-2A

SIXAIWW-V-09-10

BCAIWW-08-V-4

BCAIWW-08-V-5

SHI-1

SHI-3

OI-05-07

SHI-V-09-01

SIX-10-V-01A

SIX-10-V-01B

SIX-10-V-02

SIX-10-V-03

SIX-10-V-04

-12

CHANNEL PRISM LINE

SHALLOTTE INLET

38+82.9 TANGENT 19 =

0+00 TANGENT 20

N 57,121 E 2,186,092

"80"

"83" "84"

BUOY #80 2,187,972 59,066

BUOY # 80A 2,186,958 58,176

BUOY # 81 2,186,721 57,645

BUOY # 82 2,186,074 57,181

LT DM #83 2,185,344 56,848

LT DM #84 2,183,560 56,708

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

SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED M.L.L.W. RELATIVE TO THE

1983-2001 TIDAL EPOCH.

PROJECT SURVEYED 10 MARCH 2022 WITH DISTRICT SURVEY VESSELS "ROGERS", USING RTK GPS HORIZONTAL

POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

TIDE GAGE LOCATED AT: LIGHT DM 83

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

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

EASTING AND NORTHING COORDINATES ARE IN FEET.

ROCK IS KNOWN TO EXIST IN THE 50-FT WIDENER AREA SHOWN ON THE SOUTH SIDE OF THE 90-FOOT AIWW CHANNEL. DURING PREVIOUS DREDGING PROJECTS, ROCK HAS BEEN ENCOUNTERED IN THIS AREA BETWEEN ELEVATION -6 FEET AND -14 FEET MLLW. DURING APRIL 2018, THE 30-INCH CUTTER SUCTION DREDGE "MCCASKILL"

DREDGED IN THIS AREA AND REMOVED SOME OF THE ROCK. LOOSE ROCK, COBBLES AND

BOULDERS MAY HAVE BEEN INADVERTENTLY DISLODGED AND TRANSPORTED INTO THE REQUIRED

DREDGING AREA FROM THE OPERATION OF THE 30-INCH CUTTER SUCTION DREDGE IN APRIL 2018. BIDDERS ARE CAUTIONED THAT DEBRIS, LOOSE ROCK, COBBLES, AND BOULDERS MAY BE ENCOUNTERED WITHIN THE DREDGING TEMPLATE. SEE PARAGRAPH OCEAN ISLE BEACH DREDGED MATERIAL SCREENING OF SECTION 35 20 23 OF THE SPECIFICATIONS FOR REQUIREMENTS FOR SCREENING EXCAVATED MATERIAL AND REQUIREMENTS FOR DISPOSAL

OF DEBRIS, ROCK, COBBLES AND OR BOULDERS.

THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS OCEAN ISLE BEACH. FOR LOCATION

OF PLACEMENT AREA SEE SHEET CN111.

BORINGS ARE REPRESENTATIVE OF SUBSURFACE CONDITIONS AT THE TIME IN WHICH THEY

WERE ORIGINALLY DRILLED. SUBSURFACE CONDITIONS WITHIN THE REGULAR MAINTENANCE

DREDGE PRISM MAY CHANGE OVER TIMEDUE TO PERIODIC REMOVAL OF MATERIAL AND

SEDIMENTARY IN-SHOALING.

-14 5

-2 5

-11 0

-20 2

-15 3

-0 6

-6 8

-11 9

-6 3

-16 4

-7 8

-8 2

-18 9

-14 1

-9 3

-11 0

-10 3

-14 2

-7 2

-12 8

-12 0

-13 5

-11 6

-13 2

-6 2

-14 4

-14 8

-13 9

-11 0

-12 9

-13 7

-9 5

-16 3

-11 1

-12 7

-8 7

-12 6

-15 4

-7 3

-13 1

-8 2

-13 3

-8 6

-12 4

-5 7

-11 9

-9 2

-14 7

-5 6

-10 4

-11 8

-16 9

-13 1

-10 7

-18 4

-0 4

-13 1

-2 7

-15 4

-5 3

-14 8

-18 3

-18 1

-8 8

-14 3

-4 3-12 7

-7 3

-8 4

-12 4

-13 3

-9 5

-13 8 -6 8

-7 5

-12 0

-13 2

-14 2

-10 7

-6 6

-10 2

-10 9

-14 0

-19 4

-14 3

-14 7

-7 1

-10 9

-8 3

-7 5

-12 6

-10 9

-14 9

-13 4

-13 6

-6 4

-12 1

-7 0

-10 8

-7 3

-13 3

-5 2

-9 8

-14 2

-20 0

-13 9

-19

-3 8

-14 5

-7 4

-9 7

-13 8

-15 2

-5 2

-8 4

-0 8

-12 7

-16 4

-12 8

-10 5

-6 6

-16 2

-12 8

-13 3

-9 8

-9 8

-4 1

-17 5

-5 4

-11 7

-11 8

-11 3

-7 4

-8 3

-14 4

-7 7

-5 4

-6 7

-10 7

-6 7

-14 8

-4 5

-16 0

-5 8

-14 0

-8 0

-12 9

-11 6

-17 7

-15 5

-6 4

-14 5

-16 0

-7 0

-8 6

-5 4

-11 3

-11 3

-12 5 -10 4

-11 7

-17 2

-15 2

-5 9

-20 1

-15 6

-4 0

-19 4

-7 4

-8 2

-11 8

-19 8

-11 8

-7 2

-8 1

-7 9

-16 5

-12 9

-10 2

-6 5

-11 2

-13 2

-7 1

-9 0

-9 8

-12 9

-11 4

-14 8

-9 1

-5 9

-3 4

-12 3

-8 5

-9 6

-10 7

-15 4

-13 2

-9 6

-13 9

-14 8

-14 7

-9 4

-14 0

-5 6

-15 3

-18 5

-13 8

-11 7

-19 1

-7 0

-3 4

-16 2

-17 1

-15 3

-5 6

-10 9

-6 8

-8 7

-10 5

-12 6

-2 4

-12 1

-14 1

-4 2

-11 3

-11 0

-15 3

-7 1

-2 2

-10 2

-14 4

-19 1

-14 5

-17 1

-9 3

-10 1

-15 3

-11 0

-10 1

-13 7

-11 9

-18 6

-17 4

-1 0

-7 2

-13 0

-7 9

-11 4

-7 1

-6 8

-5 2

-12 8

-2 3 -13 9

-11 5

-10 8

-13 2

-10 7

-13 4

-10 0

-11 3

-6 6

-6 9

-2 1

-1 1

-9 6

-14 7

-15 3

-20 5

-13 1

-8 9

-19 0

-12 8

-13 3

-16 8

-11 0

-20 4

-12 7

-9 9

-12 6

-13 5

-12 4

-8 1

-5 1

-15 3

-9 9

-8 1

-12 5

-8 7

-11 4

-9 6

-15

-15 1

-6 9

-9 6

-13 1

-8 8

-10 5

-12 3

-8 5

-7 0

-13 3

-8 9

-3 4

-5 6

-12 2

-11 2

-12 7

-12 9

-13 1

-10 6

-12 4

-16 5

-15 4

-11 4

-17 7 -4 8

-15 3

-8 1

-7 2

-20 4

-0 7

-10 8

-11 8

-12 9

-9 3

-11 4

-13 7

-16 6

-11 0

-13 5

-4 4

-5 2

-11 6

-11 9

-8 0

-9 8

-14 9

-10 7

-0 4

-6 6

-4 5

-1 4-12 5

-19 9

-19 9

-0 9

-4 5

-7 2

-8 0

-13 6

-8 4

-5 4

-13 9

-10 4

-15 0

-12 3

-2 3

-18 3

-8 9

-11 2

-13 6 -13 9

-11 5

-7 0

-16 8

-2 2

-15 6

-13 7

-16 5

-13 2

-14 3

-15 0

-18 6

-2 3 -14 3

-8 0 -13 8

-6 0

-15 0

-13 0

-18 8

-7 4

-9 4

-17 9

-8 6

-9 7

-12 5

-8 8

-8 0

-15 4

-5 7

-12 4

-9 3

-9 2

-5 3

-21 0

-18 8

-4 7

-3 6

-11 2

-8 1

-15 8

-15 3

-15 1

-9 0

-14 8

-17 7

-18 4

-9 3

-14 7

-12 8

-13 4

-5 1

-7 0

-10 5

-7 9

-16 3

-21 0

-6 3

-7 6

-12 8

-8 0

-18 1

-15 4

-9 5

-7 5

-17 1

-15 4

-11 5

-6 7

-9 0

-15 9

-6 0

-15 8

-10 6

-12 8

-0 1

-19 3

-7 9

-16 2

-11 8

-13 2

-13 6

-14 1

-12 9

-13 5

-12 7

-13 1

-2 8

-12 7

-13 6

-1 2

-14 5

-14 9

-19 6

-13 4

-10 3

-15 5

-18 5

-8 7

-9 4

-16 6

-17 6

-6 9

-14 5

-11 9

-12 3

-11 4

-13 8

-11 7

-15 1

-5 4

-16 3

-13 1

-10 9

-12 3

-10 3

-17 0

-7 1

-11 5

-12 5

-0 4

-9 2

-6 9

-13 1

-5 2

-13 8

-7 2

-11 5

-11 2

-14 3

-8 4

-10 8

-10 2

-12 8

-0 3

-6 4

-10 5

-11 1

-16 4

-10 1

-8 3

-13 2

-6 4 -10 6

-14 0

-14 1

-6 8

-19 0

-2 7

-12 3

-7 1

-9 2

-7 7

-10 5

-11 2

-9 1

-7 7

-8 3

-14 8

-7 1

-7 3

-14 2

-4 7

-11 4

-11 2

-16 3

-1 2

-8 2 -12 1

-16 6

-13 7

-12 3

-15 9

-8 0

-9 2

-9 2

-7 3

-12 7

-8 5

-13 6

-1…

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 .