A21 - LOCKED FY25 Manteo (Shallowbag) Bay Maintenance Dredging Contract_Compiled RTA Plans.pdf

PDF 8 MB Posted Jul 26, 2024

Attached to: Dredging Manteo and Other Locations Federal contract opportunity
Solicitation number: W912PM24B0011
Issued by: Department of the Army Corps of Engineers Engineering District Wilmington

About this file

Written by GovTribe AI · Jul 26, 2024

This document is a set of construction drawings for the Manteo (Shallowbag) Bay and Stumpy Point Maintenance Dredging FY25 Contract in North Carolina. The drawings detail the maintenance dredging requirements for various channels including Old House Ranges 1 and 2, Oregon Inlet West, and Stumpy Point Ranges 1 and 2. The dredging depths range from 7 feet plus 2 feet of allowable overdepth to 12 feet plus 2 feet of allowable overdepth. The dredging will be performed by hydraulic cutter suction dredge with pipeline transport to designated placement areas such as Wells Island, Parnell Island, and Bonner Bridge. The contract is a 100% Small Business set-aside with an estimated magnitude of construction between $5,000,000 and $10,000,000. The solicitation for this contract will be issued on or about July 26, 2024 by the U.S. Army Corps of Engineers, Wilmington District.

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Other files for this federal contract opportunity

Other files attached to Dredging Manteo and Other Locations, newest first.
File	Type	Posted
Bid Opening Sign in sheet.pdf	PDF	Aug 27, 2024
B1 - Bid Abstract.pdf	PDF	Aug 27, 2024
A21 - W912PM24B0011 AMD 1 Final.pdf	PDF	Aug 7, 2024
A21 - Unlocked FY25 Manteo (Shallowbag) Bay Maintenance Dredging Contract_Compiled RTA Plans.pdf	PDF	Jul 26, 2024
A21 - W912PM24B0011- Manteo-Stumpy Point Solicitation.pdf	PDF	Jul 26, 2024
A21 - RTA-SPECS_FY25-MANTEO-MAINT-DRDGING.pdf	PDF	Jul 26, 2024

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SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

US Army Corps of Engineers ®

Approval Recommended: *

Approved: *

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:

READY TO ADVERTISE (RTA)

_C O

.D W

G001

MANTEO (SHALLOWBAG) BAY AND STUMPY POINT

MAINTENANCE DREDGING

FY25 CONTRACT

NORTH CAROLINA

W912PM24B0011

W912PM24CXXXX

JULY 2024

WILMINGTON DISTRICT

C O

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

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SHEET ID

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HARRIS.PATRICK.KEVIN.1410079573

Date: 2024.07.22 15:57:40-04'00'

Date: 2024.07.22 16:51:57 -04'00'

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

GI01

T O

A N

O F

D R

G S

M an te o_

Pr oj ec t O ve rv ie w a nd

In de x of

D ra w in gs .d w g

Feet 0 26400 52800

SCALE: 1" = 5 MILES

SEE LOCATION MAP SHEET CN001

OLD HOUSE RANGE 2

OLD HOUSE RANGE 1 (OPTION)

OREGON INLET WEST (OPTION)

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

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INDEX OF DRAWINGS

SHEET

NUMBER SHEET TITLE

G001

GI01

CN001

CN103

CN105

CN106

CN104

COVER

CN101

CN102

PROJECT OVERVIEW AND INDEX OF DRAWINGS

MANTEO CHANNELS OVERVIEW

OLD HOUSE RANGE 2 STA. 0+00 TO 51+00

OLD HOUSE RANGE 2 STA. 116+00 TO STA. 160+00

OLD HOUSE RANGE 2 STA. 160+00 TO STA. 231+00

OREGON INLET WEST (OPTION)

OLD HOUSE RANGE 1 (OPTION)

CN108

CN109

WELLS BIRD ISLAND PLACEMENT AREA

PARNELL BIRD ISLAND PLACEMENT AREA

PROJECT VICINITY MAP

PROJECT SITE MAP

SEE PROJECT

SITE MAP THIS

SHEET

CN110

CN111

STUMPY PT OVERVIEW MAP

STUMPY POINT RANGE 1 AND 2 (OPTION)

SEE LOCATION MAP SHEET CN110

STUMPY POINT RANGES 1 & 2 (OPTION)

CN107 BONNER BRIDGE PLACEMENT AREA

MANTEO

PAMLICO

SOUND

HATTERAS

ISLAND

KITTY

HAWK

R1-R12 STUMPY POINT DA REFERENCE SHEETS

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

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D B

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SHEET ID

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P O

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D R

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H T/

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-0

2P M

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CN001

C H

M an te o

C ha nn el s O ve rv ie w

.d w g

LOCATION MAP - MANTEO CHANNELS

WELLS ISLAND

PLACEMENT AREA

SEE SHEET CN108

PROPOSED PIPELINE ROUTE

OLD HOUSE RANGE 2

SEE SHEETS CN101, CN102, AND CN103

PARNELL ISLAND

PLACEMENT AREA

SEE SHEET CN109

PROPOSED PIPELINE ROUTE

OLD HOUSE RANGE 1 (OPTION)

SEE SHEET CN104

OREGON INLET WEST (OPTION)

SEE SHEETS CN105 AND CN106

Feet

400020000 1000

SCALE: 1"=2000'

BONNER BRIDGE

PLACEMENT AREA

SEE SHEET CN107

PROPOSED PIPELINE ROUTE

SCALE 1" = 2000'

0+005+0010+0015+0020+0025+0030+0035+0040+0045+0050+0055+00

N: 745782.6139 E: 3009021.2215

N: 745728.9624 E: 3009105.6038

N: 750081.2161 E: 3011754.3192

N: 750037.7206 E: 3011845.1642

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-81-41

-41

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-101

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-111

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-118

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-117

-12 8

-8 4

-13 9 -13 6

-51

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-10 2 -115

-6 8

-151

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-115

-51

-4 5

-4 6

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-111

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-10 4-7 8

-6 3

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-131

-7 3

-10 3-6 5

-7 9

-7 8

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-141

-81

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-10 3

-13 3

-13 4

-151

-8 2

-8 9

-7 4

-9 6

-10 4-10 5

-8 2

-7 9

-10 0

-5 9 -7 5

-7 5

-118

-7 2

-71

-121

-81

-116

-5 5

-16 0

-5 2

-81

-3 6

-15 7

-117

-14 3

-13 9

-7 7

-81

-12 2

-7 5

-5 7

-8 3

-4 3

-112

-7 3

-10 0

-7 6

-12 4

-14 8

-8 4

-9 6

-6 3

-10 5

-8 7

-6 4

-8 4

-10 5

-6 4

-7 3

-9 2

-12 2

-14 6

-8 5

-14 6

-9 2

-15 3

-12 6

-10 6

-7 9

-14 9

-10 4-6 5 -6 4

-114

-8 8

-10 7

-8 6

-13 4

-51

-10 5

-116

-15 3

-10 8

-7 6

-114

-7 7

-6 3

-8 7

-114

-7 9

-10 7

-5 6

-9 0-10 9

-5 4-7 3

-7 4

-101

-9 8

-151

-6 6

-9 3

-118

-7 7

-6 5

-110

-8 0

-110

-7 6

-9 9

-5 3

-10 0

-15 6-10 4

-110-119 -7 9

-5 9

-5 0

-91

-12 5

-9 0

-8 0

-13 3-12

-12

-1

-12

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

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(S H

G ) B

N D

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-0

2P M

D Y

CN101

H O

G E

H O

G E

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

Feet 0 200 400

OLD HOUSE RANGE 2

STA. 0+00 TO 51+00

CHANNEL CENTERLINECHANNEL PRISM LINE

OLD HOUSE

RANGE 1

CENTERLINE OFFSET

SCALE: 1"=200'

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-12

NOTES: LEGEND:

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 07 MAY 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: NOAA

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS WELLS

ISLAND. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN108.

AutoCAD SHX Text -9.6

110+00115+00120+00125+00130+00135+00140+00145+00150+00155+00160+00

N: 740297.4433 E: 3005533.6910

N: 740243.7943 E: 3005618.0677

-7 9

-111 -8 7

-13 5

-10 8-10 8

-13 6

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-6 2

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-61

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-116

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-111

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-111

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-61

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-13 9

-13 3

-116

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-114

-71

-14 7

-91

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-15 5

-118

-6 7

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-110

-151

-114

-13 7

-110

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-110

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-15 3

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-151

-10 6

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-15 3

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-13 8

-12 9

-91

-12 3

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-9

-111

-6 6

-15 0

-61

-12 5

-13 5

-6 6

-7 7

-7 8

-10 4

-7 6

-13 2

-7 8

-14 5

-8 8-12 5

-10 8

-112

-12 4

-12 8

-13 3

-61

-7 5

-9 2

-16 4 -15 4

-14 8

-10 5

-116

-12 5

-15 5

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-6 4

-8 5

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-121

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-7 2 -14 0

-11

-9 2

-9 5

-14 5

-13 0

-12

-12-12

-12

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

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C O

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C H

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B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

CN102

H O

G E

. 1

H O

G E

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

OLD HOUSE RANGE 2

STA. 116+00 TO 160+00

Feet 0 200 400

CHANNEL CENTERLINECHANNEL PRISM LINE

CENTERLINE OFFSET

ATC

LIN

E STA. 160+00

SEE SH

EET C

SCALE: 1"=200'

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-12

NOTES: LEGEND:

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 07 MAY 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: NOAA

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS WELLS

ISLAND. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN108.

195+00200+00205+00210+00215+00220+00225+00230+00235+00

N: 730592.9045 E: 2999363.4407

N: 730539.2620 E: 2999447.8090

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-117

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-91

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-101

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-110

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-87

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-12

160+00165+00170+00175+00180+00185+00190+00195+00200+00

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-116

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-115

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-61

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-81

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-111

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-110

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-8 2

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-113

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-117

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-116

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-8 4

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-10 4

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-81

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-10 3

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-5 5

-121

-10 2

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-9 5

-10 4

-118

-114

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-6 9

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-7 0

-81

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-10 5

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-7 6

-101

-8 6

-10 7

-8 4

-10 6

-8 3

-8 6

-7 6 -12

-8 8

-9 8

-6 7

-8 7

-10 3

-9 9

-8 2

-8 6

-8 2

-9 4

-121

-91

-113-117

-101

-10 7

-10 9

-8 6

-8 8

-10 6

-9 9

-10 3

-9 4

-10 5

-101

-5 8

-81

-8 7

-4 9

-10 7

-9 0

-8 9

-7 9

-5 2

-117

-81

-10 9

-8 9

-9 4

-8 8

-8 7

-9 0

-9 9

-121

-10 9

-12 2

-7 3

-10 3

-8 9

-114

-6 7

-10 9

-4 9

-8 3

-10 6

-113

-7 3 -8 7-81

-5 6

-112

-8 5

-5 6

-10 6

-9 7

-110

-9 0

-6 5

-5 7

-10 7

-8 8

-10 5

-10 0 -111

-10 5

-10 4

-5 5

-112

-6 9

-10 5

-12 4

-9 0 -9 3

-91

-7 2

-6 5

-61

-8 6

-6 2

-6 8

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-5 4

-5 3

-107

-8 5

-7 4

-101

-115

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-6 9

-9 0

-10 5

-10 6

-10 3

-9 7

-9 5

-4 6

-4 7

-61

-10 8

-12

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

CN103

H O

G E

. 2

H O

G E

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

Feet 0 200 400

OLD HOUSE RANGE 2

STA. 160+00 TO 195+00

OLD HOUSE RANGE 2

STA. 195+00 TO 231+00

CHANNEL CENTERLINECHANNEL PRISM LINE

CENTERLINE OFFSET

CHANNEL CENTERLINECHANNEL PRISM LINE

CENTERLINE OFFSET

ATC

LIN

E STA. 195+00

SEE VIEW

T BELO

C H

R T

N E

T C

SCALE: 1"=200'

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-12

NOTES: LEGEND:

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 07 MAY 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: NOAA

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS WELLS

ISLAND. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN108.

0+00

5+00

10+00

15+00

20+00

25+00

27+69.75

N:750081.22 E: 3011754.32

N:750037.72 E: 3011845.16

N:752705.36 E: 3012655.49

N:752653.02 E: 3012743.06

-12 0

-7 0

-6 3

-5 8

-6 0

-9 4

-10 4

-10 8 -111

-12 0 -12 6

-13 4

-13 0

-13 7

-13 6

-13 8

-13 2

-113 -10 6

-110

-119

-111 -113 -13 5

-12 8 -12 5 -12 9

-118

-115

-12 0

-14 3

-13 6-12 7

-115-10 6-9 8-8 3

-9 3

-10 2

-13 5-12 8-13 7

-14 0-12 8

-12 7-12 2-111-111-9 9

-9 2-9 5-9 4-9 7-9 8

-13 3

-12 0

-10 8 -9 4

-8 0

-9 9

-12 0

-12 0 -12 5

-12 8 -131

-12 2

-12 9

-13 5

-12 6

-121

-115

-115 -110

-10 4

-115 -12 5

-12 4

-117 -115 -10 9

-114 -12 6 -12 4 -110

-10 7 -12 2 -119 -116 -117 -12 3

-113 -116 -10 7 -119

-12

-8 5

-9 8

-9 7

-9 9

-9 5

-101

-12 8

-13 4

-12 9

-131

-121

-110

-13 9

-7 2-5 3

-119

-121

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-10 6

-115

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-5 4

-51 -5 0

-7 8

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-7 4

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-10 4

-10 7

-9 2

-116

-61-5 0-51-51-5 2-5 5-6 2-6 4-6 6-7 0-7 5-7 6-7 8-8 0-7 7-8 0-81-8 5-8 4-8 0-7 2-61-5 7-5 3-4 7-4 7-4 5-4 6-51-6 2-6 7-7 9-81-9 0

-10 0-111

-10 6

-13 4

-12 2 -10 6

-91

-7 4

-4 8 -4 9

-4 8 -5 0

-51 -5 5

-5 9 -6 4

-6 6 -71

-7 2 -7 8

-7 9

-7 9 -8 3

-7 6 -7 3

-71

-6 6

-5 4

-5 3 -5 8

-5 4 -5 2

-51

-4 9 -4 8

-4 8 -4 7

-5 0

-5 2

-6 2 -7 0

-7 7 -8 9

-9 4

-9 9

-9 9 -101

-10 4

-10 5 -9 3 -8 4 -7 7 -7 0 -5 0 -4 3 -3 6 -2 7 -18 -15 -16 -2 5 -2 0 -19 -18 -2 3 -2 5 -2 6 -2 7 -2 9 -31 -3 5 -4 0

-12 5

-12 3

-12 8

-131

-13 5

-13 9

-13 8

-14 7

-13 3-10 8

-9 6-9 9

-12 0

-12 7-13 3

-13 7

-13 4

-12 8-12 4-10 7

-7 7-8 7

-10 0

-110

-14 3

-117

-12 3

-81

-12 7-13 8

-13 4

-9 2

-13 5

-14 5

-12 8 -4

-4 9

-51

-5 2

-5 8

-5 9

-61

-6 7

-8 0

-7 7

-7 4

-6 7

-5 7

-41

-3 3

-7 9

-8 2 -7 0

-5 9

-6 0

-61

-6 2

-6 3

-6 5

-7 6

-9 4

-91

-9 0

-8 7

-6 2

-5 8

-5

-4 4

-3 3

-5 5

-10 5

-12 4

-13 6-13 8-13 8-113

-10 5-91

-12

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

CN104

H O

G E

H O

G E

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-12

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 29 APRIL 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: NOAA

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS PARNELL

ISLAND. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN109.

OLD HOUSE RANGE 1

Feet 0 200 400

OLD HOUSE

RANGE 2

RANGE 17

CHANNEL CENTERLINE

CHANNEL PRISM LINE

SCALE: 1"=200'

CENTERLINE OFFSET

NOTES: LEGEND:

N:754755.02 E: 3020157.89

N:754142.87 E: 3021028.98

N:753103.81 E: 3022177.06

N:752255.64 E: 3024174.19

N:751440.83 E: 3025452.90

N:751335.76 E: 3025431.72

N:752164.86 E: 3024130.57

N:753017.74 E: 3022124.37

N:754060.13 E: 3020972.21

N:754668.18 E: 3020108.31

-101

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-71

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-10 5 -4 6

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-21

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-101

-7 6

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-117

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-101

-17 3

-4 4 -113

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-4 6

-61

-151

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-4 2

-41

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-101

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-101

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-41

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-121

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-81

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-41

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-31

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-110

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-112

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-112

-116

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-110

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-81

-41

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-5 8

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-113

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-3 2

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-81

-3 7

-10 3

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-3 0 -116 -9 7

-81

-2 9

-111

-3 6

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-10 6 -12 0

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-101

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-117

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-9 7

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-8 6

-2 4

-31

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-9 8

-2 8

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-101 -10 6

-119

-9 0

-3 0

-10 0

-4 0

-3 6

-5 7

-4 5

-9 6

-10 4 -9 2

-7 8

-5 9

-10 0

-9 3

-9 4

-19 6

-10 6

-9 9

-118

-4 3

-101

-5 8

-10 8 -9 8

-8 4

-2 9

-10 3

-6 4

-110

-12 6

-4 7

-9 5

-4 6

-71

-121 -9 3

-5 7

-10 0

-117

-118

-9 2

-9 5

-6 0

-10 9 -10 9-3 0

-115

-7 9

-114 -41

-3 9

-12 2

-9 4

-8 5

-10 2

-9 6

-6 0

-7 4

-10 3

-31

-4 0

-12 3

-6 4

-10 2

-117-10 0

-8 8

-112

-4 0

-10 8 -7 5

-101

-9 8

-8 6

-9 3

-12 4

-10 8

-8 7

-7 8

-8 5

-2 4

-3 8

-101

-6 2

-10 2

-3 9

-10 7 -2 6

-81

-10 4

-9 5

-9 8

-9 3

-9 5

-8 6

-101

-8 9

-9 4

-115-12 6

-10 3

-5 3

-9 9

-10 7

-2 0

-3 2

-8 6

-3 2

-10 2

-4 0

-110

-7 3

-12 2

-4 6

-5 3

-9 4

-10 4

-119

-5 3

-3 6

-4 0

-6 5

-114

-10 6

-112 -10 0

-10 9

-10 5

-9 8

-10 4

-12 2

-4 6

-7 5

-5 2

-119

-121

-10 2

-8 3

-7 2

-9 7

-111-9 3

-10 4

-6 9 -8 8

-101

-112

-3 3

-121

-116

-10 0

-9 7

-91

-7 2

-10 0

-9 8

-9 7

-9 5

-5 0

-7 9

-91

-7 2

-9 9

-10 0

-10 9

-10 2

-8 0

-12 6

-4 5

-7 7

-81

-3 8

-9 3

-3 8

-10 7

-13 3

-7 0 -10 5

-12 4

-31

-10 6

-6 7

-10 5

-131

-3 9

-18 5

-7 3

-7 8

-10 2

-7 8

-2 4

-2 6

-9 9

-9 4

-101

-8 9

-7 8

-10 4

-9 2

-10 6

-10 4

-101 -7 0

-3 6

-12 7

-5 5

-9 2

-4 4

-10 9

-101

-7 9

-8 2 -114

-10 5

-115

-4 5

-111

-9 6

-3 5

-117

-9 3

-116

-12 2

-9 4

-12 3

-9 2

-4 3-3 3

-6 8

-10 7

-10 6

-8 9

-9 7

-2 0

-9 8

-10 4

-4 8

-4 7

-4 9 -9 2

-9 2

-8 2

-14 8 -81

-3 0

-7 5

-8 9

-111

-10 3

-110 -115

-6 9

-2 8

-3 4

-9 9

-119

-12 8

-10 7

-10 2

-7 9

-101

-10 6

-121

-12 6

-3 8

-113

-3 6

-121

-8 7

-7 5

-9 7 -51

-12 4

-121

-212

-2 7

-5 6

-4 7

-9 9 -18

-10 2

-6 5

-9 0

-10 0

-9 7

-10 3

-10 7

-4 4

-12 7

-10 0

-10 8

-6 4

-10 8

-2 2

-2 5

-10 4

-2 9

-3 2

-112

-9 3

-10 7

-112

-2 6

-10 2

-117

-115 -10 7 -12

-1

-12

N:752507.98 E: 3023207.46

N:752414.72 E: 3023171.13

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

N:752436.65 E: 3023480.75

N:752348.88 E: 3023423.95

N:751720.78 E: 3025013.57

N:751636.45 E: 3024959.84

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

CN105

O R

T (O

_O R

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

OREGON INLET WEST

CHANNEL PRISM LINE

C H

C N

SCALE: 1"=200'

Feet

1:2400.01

4002000 100

SOUNDING

NAVIGATION AIDS

SUITABLE MATERIAL AREA TO BE DREDGED

CONTOUR-12

NOTES:

LEGEND:

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 18 APRIL 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: OREGON INLET FISHING CENTER

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS FIRST

WELLS ISLAND, THEN PARNELL ISLAND. FOR LOCATION OF PLACEMENT AREAS, SEE

SHEETS CN108 AND CN109.

9. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR UNSUITABLE DREDGED MATERIAL

IS BONNER BRIDGE PLACEMENT AREA. FOR LOCATION OF PLACEMENT AREA, SEE SHEETS

CN107.

10. THE FEDERAL NAVIGATION CHANNEL FOLLOWS THE DEEPEST WATER OR ROUTE, SO THE

DREDGE BOX LOCATION WILL SHIFT BASED ON THE LOCATION OF THE CHANNEL AT THE

TIME OF THE BEFORE DREDGE SURVEY.

CENTERLINE OFFSET

CENTERLINE

UNSUITABLE MATERIAL AREA TO BE DREDGED

N:751440.83 E: 3025452.90

N:751799.25 E: 3027115.76

N:752264.55 E: 3027549.96

N:752197.34 E: 3027624.00

N:751722.10 E: 3027181.00

N:751335.76 E: 3025431.72

-7 6

-9 9

-91

-16 4

-7 2

-10 4

-9 6

-16 6

-3 2

-10 8

-9 8

-4 6

-7 8

-117

-9 4 -9 9

-101

-9 5

-3 6

-8 0

-115

-4 0

-9 3

-8 7

-8 5

-4 4-9 8

-9 9

-4 8

-113

-7 6

-7 3

-118

-4 6 -4 2

-41

-10 0

-7 0

-9 8

-8 3

-9 7

-2 8

-3 4

-201

-20 4

-7 4 -10 3

-5 9

-10 3

-9 7

-10 4

-20 0

-10 5

-10 2 -10 0

-101

-10 7

-10 0

-9 0

-9 9

-9 4

-3 6

-10 5

-8 2

-9 3

-9 8-5 0

-81

-9 2

-9 7

-3 6-41

-10 9

-9 6

-4 0

-9 9

-8 6

-31

-9 9

-20 4

-7 2

-10 7

-3 6

-7 4

-9 9

-10 0

-9 4

-3 9

-81

-9 5

-2 9

-2 4

-3 3

-81

-10 7

-5 2

-2 5

-9 2

-101

-9 6

-9 9

-7 2

-6 7

-5 4

-118

-4 5

-9 4

-3 2

-7 8 -9 6

-9 2

-112

-2 4

-110

-9 2 -4 7

-8 8

-8 6

-9 3

-9 6

-15 5

-7 4

-3 8

-3 5

-119

-5 4

-8 8

-171

-10 3

-201

-61

-10 6

-18 0

-3 3

-8 7

-9 5

-3 2

-9 4

-7 7

-8 5

-3 7

-8 9

-113

-9 8

-3 4

-20

-8 0

-13 8

-9 3

-19

-10 8

-9 6

-10 0

-7 5

-9 6

-7 9

-10 2

-91

-9 9 -6 9

-91

-7 8

-3 8

-10 4

-3 4

-9 7

-7 4

-8 0

-9 6

-12 4

-10 0

-7 6

-9 7

-9 5

-20 7

-81

-10 2

-9 2

-51

-9 4

-10 2

-9 8

-101

-9 2

-12 6

-10 3

-91

-4 0

-8 8

-3 9

-9 0

-8 9

-6 6

-8 0

-9 9

-9 5

-2 9

-141

-8 5

-7 5

-10 5

-131

-9 5

-19 2

-101

-6 3

-115

-8 9

-8 6

-116

-41

-10 8

-4 2

-9 4

-3 0

-4 9

-101

-7 3

-6 6

-3 5

-13 4 -15 4

-9 0

-8 7

-10 2

-8 2

-10 5

-10 7

-110

-10 4

-4 0

-101

-9 8

-8 7

-4 3

-9 4

-8 7

-8 5

-9 8

-101

-3 6

-8 7

-3 9

-14 3

-9 8

-4 8

-6 2

-9 5

-101

-8 0-9 5

-9 4

-181

-10 0

-113

-12 8

-18 9

-113

-7 9

-81

-7 9 -3 2

-10 4

-6 9

-7 9

-4 0

-9 9

-5 7

-5 9

-10 4

-3 6

-9 2

-10 3

-3 4

-15 2

-10 4

-15 5

-9 5

-20 0

-9 7

-111-9 3

-8 2

-17 0

-7 5

-9 2

-6 3

-9 7

-10 2

-3 3

-9 7

-112

-10 0

-8 0

-8 5

-10 4

-114

-10 0

-91

-9 9

-3 6

-10 0

-13 6

-10 2

-10 9

-10 7

-210

-91

-3 8

-191

-9 5

-19 5 -9 2

-8 5

-17 3

-3 0

-9 0

-10 4

-9 2

-10 6

-6 6

-3 6

-7 4

-101 -101

-7 9

-9 4

-3 5

-91

-9 8

-10 0

-7 8

-8 3

-5 7

-9 2

-8 4

-10 5

-9 3

-10 3

-218

-3 0

-9 8

-7 4

-8 7

-13 6

-18 9

-5 6

-9 4

-18 6

-10 2

-9 8

-71

-9 3

-3 8

-115

-15 9

-9 6

-16 0

-7 3

-9 4

-9 8

-91

-141

-10 3

-17 9

-113 -117

-10 0

-15 3

-10 8

-10 2

-7 3

-4 5

-4 3

-8 9

-10 0

-9 9

-12

-1

N:751394.02 E: 3026108.31

N:751298.88 E: 3026145.19

50+00 55+00

60+00

65+00

+9 5.

N:751720.78 E: 3025013.57

N:751636.45

E: 3024959.84 OREGON INLET WEST

Feet 0 200 400

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

CN106

O R

T (O

_O R

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

100'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

CHANNEL PRISM LINE

C H

C N

SCALE: 1"=200'

CENTERLINE

SOUNDING

NAVIGATION AIDS

SUITABLE MATERIAL AREA TO BE DREDGED

CONTOUR-12

NOTES: LEGEND:

1. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE

1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 18 APRIL 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT

AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: OREGON INLET FISHING CENTER

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

5. INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE

CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE

TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS FIRST WELLS ISLAND, THEN PARNELL ISLAND. FOR LOCATION

OF PLACEMENT AREAS, SEE SHEETS CN108 AND CN109.

9. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR UNSUITABLE DREDGED MATERIAL IS BONNER BRIDGE PLACEMENT AREA. FOR

LOCATION OF PLACEMENT AREA, SEE SHEETS CN107.

10. THE FEDERAL NAVIGATION CHANNEL FOLLOWS THE DEEPEST WATER OR ROUTE, SO THE DREDGE BOX LOCATION WILL SHIFT BASED ON THE

LOCATION OF THE CHANNEL AT THE TIME OF THE BEFORE DREDGE SURVEY.

UNSUITABLE MATERIAL AREA TO BE DREDGED

N: 752436.6 E: 3023480.7

N: 752348.9 E: 3023424.0

N: 751636.4 E: 3024959.8

N: 751720.8 E: 3025013.6

N: 751857.4 E: 3028980.8

N: 751711.1 E: 3030061.0

N: 752129.2 E: 3029041.8

N: 751941.1 E: 3030064.5

-14 6

-15 1

-14 1

-19 4

-12 2 -16 2

-12 9

-12 4

-6 7 -14 2

-12 4

-11 4

-15 6

-13 8

-15 8

-13 3 -6 4

-17 4

-3 0

-15 5

-13 9

-6 4-13 9

-20 3

-16 4

-7 4

-15 2

-13 3

-11 5

-13 7

-15 9

-13 3

-10 1

-12 6

-18 4 -16 1

-3 9

-13 9

-16 8

-13 2

-18 0

-11 8

-14 0

-12 7

-12 8

-12 6

-8 6 -15 6

-16 3

-14 2

-12 4

-13 2

-14 6 -18 0

-6 5

-14 0

-16 1

-13 5

-17 7 -8 7

-15 7

-14 2

-12 6

-13 2

-14 6 -14 3

-19 4

-18 8

-16 9

-14 5

-14 9

-14 5

-17 9

-14 2

-15 6

-13 6

-13 9

-7 9

-10 6

-19 2

-18 3

-13 4

-13 5

-11 9

-5 4

-12 9

-14 3

-15 7

-2 1

-4 7

-19 5

-11 0 -13 2

-15 9

-14 4

-21 2

-15 2

-10 0

-11 8

-1 9

-17 9

-14 4

-13 1

-12 2

-14 1 -9 1

-10 4

-4 2

-5 7

-8 9 -11 1

-12 6

-13 4

-10 6

-20 7

-12 0

-14 3

-16 7

-14 4

-15 3

-20 4

-13 6

-17 5

-13 3

-14 0

-13 6

-5 5

-13 8

-16 4

-13 5

-15 3

-14 4

-11 7

-13 2

-13 7

-17 2

-12 8

-11 5

-26 7

-10 1

-7 6

-5 3

-22 3

-17 6

-15 3

-11 4

-13 6

-14 3

-11 4

-6 1 -13 9 -11 7

-13 8

-12 7

-10 2-1 6

-5 8

-14 8

-12 1

-9 2

-16 4

-10 2

-14 3

-13 9

-14 7

-10 7

-20 6

-11 9

-12 2

-3 0

-9 2

-10 1

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

)1. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MEAN LOWER LOW

WATER (MLLW).

2. SOUNDING ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA's

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL

EPOCH.

3. TIDE GAGE LOCATED AT: OIFC

4. BONNER BRIDGE PLACEMENT AREA WAS SURVEYED 07 JUNE 2024 WITH

DISTRICT SURVEY VESSEL "KNOWLTON", USING RTK GPS HORIZONTAL

POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

5. 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. PLACEMENT OF DREDGED MATERIAL SHALL BE IN ACCORDANCE WITH

SECTION 35 20 23, DREDGING, OF THE SPECIFICATIONS, PLACEMENT SHALL

BE CONDUCTED IN SUCH A MANNER THAT WATER ABOVE THE DUMPED

MATERIAL WILL HAVE A MINIMUM CLEARANCE OF 14' AT MEAN LOWER LOW

WATER (MLLW).

7. IN ORDER TO MAXIMIZE BONNER BRIDGE PLACEMENT AREA CAPACITY AND

MINIMIZE MOUNDING OF MATERIAL, THE DUMPS SHALL BE SCATTERED

THROUGHOUT THE DESIGNATED PLACEMENT ZONE AND NOT PLACED

REPEATEDLY AT ONE LOCATION. THE PIPELINE SHALL ALSO BE

SUBMERGED IN ORDER TO MINIMIZE TURBIDITY.

Feet

SCALE 1"=100'

2001000 50

Feet

SCALE 1"=1000'

200010000 500

CN107

B R

SUITABLE MATERIAL TO

BE PLACED ON WELLS

ISLAND AND PARNELL

ISLAND

BONNER BRIDGE

PLACEMENT AREA

(SEE THIS SHEET)

UNSUITABLE MATERIAL

TO BE PLACED IN

BONNER BRIDGE

PLACEMENT AREA

PROPOSED

PIPELINE

ROUTE

NOTES:

BONNER BRIDGE PLACEMENT AREA

SCALE 1" = 100'

-11

3 4

-11

-0 9

-0 2

2 9

-0 7

-10

-0 9

-0 3

-10

0 3 2 9

2 2

-10

-0 7 0 4

-01

-0 8

-10 -10

0 3

-11

-0 9

-0 4

-14

2 6

0 2

-0 8

2 9

-0 7

-10

-0 6

2 8-0 8

3 0

-0 7

-01

2 2

-0 4

-01

-0 3

-0 7

-10

2 5

-0 9

2 0

-0 2

-0 7

2 3 -13

-12

2 9

-12

-0 4

-0 9

-0 8

0 0

-0 4

-0 6

0 2 -0 3

2 4

-11

-0 3

3 2

-13

2 2

0 0

-0 5

-0 3

-0 6

2 0

-0 8

2 9

-0 4

-0 7 -0 9

-0 3-0 7

-0 4

-0 9

3 0

-13

-01

0 8

-0 3

2 7

-0 9

-0 5

-0 9

0 2

N: 738652.1 E: 3007700.3

N: 738791.2 E: 3007125.9

N: 738374.5 E: 3006463.6

N: 737966.4 E: 3006421.3

N: 737784.8 E: 3006966.0

N: 738111.5 E: 3007604.2

L 600.76'

R 579.42'

L 730.35'

R 1098.93'

L 611.66'

R 675.98'

L 801.90'R 1047.67'

8 .

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

D B

C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

.A R

M Y

C O

O F

R S

N D

N G

N U

E W

, N O

N A

(S H

G ) B

N D

P O

C E

D R

C O

N O

N A

D R

G C

O D

H T/

U R

M S1

-0

2P M

D Y

SCALE: 1"=200'

4002000 100

CONSTRUCTION LIMITS

CN108

N D

LOCATION MAP - WELLS ISLAND PLACEMENT AREA

TOP OF BERM

ELEV. = +15' (NAVD88)

EXISTING GROUND

PROPOSED FILL

TYPICAL WELLS ISLAND PLACEMENT DETAIL

N.T.S.

1. ALL BEACH QUALITY MATERIAL MUST GO TO WELLS ISLAND

UNTIL ITS MAXIMUM CAPACITY IS MET (SEE “TYPICAL” INSET) AT

WHICH POINT ANY REMAINING MATERIAL WILL GO TO PARNELL

ISLAND.

2. SEE SPECIFICATION SECTION 35 20 23, PARAGRAPH 3.6.4.2.1

“WELLS ISLAND PLACEMENT AREA.”

3. A MINIMUM OF 15 DAYS PRIOR TO THE DISCHARGE OF ANY

EFFLUENT ON WELLS ISLAND, THE CONTRACTOR SHALL MEET

ONSITE WITH A REPRESENTATIVE OF THE NC WILDLIFE

RESOURCES COMMISSION AND REPRESENTATIVES OF THE

CONTRACTING OFFICER TO DISCUSS OPTIMAL LOCATIONS FOR

THE DISCHARGE OF EFFLUENT.

4. PRIOR TO AND DURING PLACEMENT OF EFFLUENT ONTO WELLS

ISLAND, THE CONTRACTOR SHALL CONSTRUCT A DISCHARGE

FLOW PATTERN USING DIKES, BERMS, CHECK DAMS, TRAINER

DIKES, AND/OR SEDIMENT POOLS/CHAMBERS, ETC. THAT WILL

ENSURE SEDIMENT SETTLES OUT PRIOR TO ENTERING OPEN

WATERS.

5. PLACEMENT OF EFFLUENT ONTO WELLS ISLAND SHALL BE

LIMITED TO 25 ACRES ABOVE MEAN HIGH WATER (MHW) AND NO

MORE THAN 15 FEET OF ELEVATION ABOVE MHW.

6. THE TOP AND SIDE SLOPES SHOULD HAVE NATURAL

UNDULATIONS AND SLOPES (E.G., SWALES AND SLOPES 50H:1V)

EXTENDING INTO THE WATER BELOW THE MHW LINE, BUT NONE

SHALL BE STEEPER THAN A SLOPE RATIO OF 10H:1V (SEE

“TYPICAL” INSET FOR MAXIMUM ACCEPTABLE DIMENSIONS). THE

INTENT IS TO CREATE A DOME WITH GRADUAL ROLLING RISE

AND FALL HABITAT SUITABLE FOR NESTING SHOREBIRDS.

7. ENVIRONMENTAL WINDOW FOR PLACEMENT: 01 SEPTEMBER

2024 TO 31 MARCH 2025

LEGEND:

CONSTRUCTION LIMITS

NOTES:

D .D

W G

SCALE 1" = 200'

3 2

-0 6

-0 5

0 2

3 9

5 6

2 6

2 3

-0 5

-0 7

0 3

-0 5

5 2

2 7

7 2

3 0

-0 7

3 2

0 5

3 3

0 2

8 6

2 0

-0 8

-0 2

2 0

3 3

2 4

-01

2 0

4 0

-0 6

-12

0 5

13 3

2 9

-0 6

-0 5

-0 4

-01 5 9

-0 2

10 2

-0 4

2 8

-0 6

3 9

0 0

9 1

-0 4

4 7

2 8

6 4

-0 3

-0 5

2 6

-0 7

2 0

-0 2

2 5

-0 3

2 6

6 7

3 3

8 5

12 0

-01

6 2

0 2

3 0

6 4

-0 3

5 3

-0 4

3 2

7 2

3 2

8 5

5 2

4 7

4 9

-0 7

4 0

-0 6

-0 3

3 4

-0 5

2 3

3 0

8 3

5 5

4 7

3 6

9 9

0 0

4 2

16 3 0

3 2

5 2

-0 4

8 2

4 9

4 4

2 4

6 8

-0 4

2 0

0 2

0 0

-0 6

0 0

-0 3

-11

3 8

4 8

3 2

4 2

3 3

-01

2 7

4 6 4 4

2 6

-01

9 0

5 5

4 7

9 6

-0 2

-0 6

4 2

-0 7

5 9

0 2

2 0

-0 7

3 9

-0 6

0 2 -0 3

4 9

0 6

-0 2

4 9

10 8

3 9 5 3

3 8

2 7

-0 6

8 8

5 5

-0 2

3 4

-13

2 5

2 7

8 3

3 5

-0 8

10 0

-01

0 4

0 3

3 1

-0 6

-0 2

9 0

-0 7

0 08 6

-0 4

-0 8

2 8

-0 7

8 6

7 5

2 5

-0 5

4 7

-0 2

4 8

7 3

-0 4

6 0

2 2

5 6

-0 3

0 9 118 -0 3

3 6

-12

-0 4

-0 3

4 5

4 8

0 4

6 0

2 4

-0 8

3 2

5 7

-01

3 8

0 2

-0 2

3 1

6 6

4 2

-108 9

10 6

3 8

-11

5 0 13

-01 -0 3

0 9

7 9

2 9

6 3

4 3

-0 8

4 0

4 4

6 9

4 9

0 8

-01

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2 2

0 9

6 9

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-0 4

-0 3

-0 8

8 9

3 5

-01

-0 3

0 0 8 5

4 3

2 7

5 4

-0 4

0 4

3 7

3 2

3 5

0 0

-0 3

-0 2

0 9

2 8

6 9 3 8

-0 8

0 2

0 3110

2 0

0 0

5 3

5 8

-0 6

2 7

4 8 -01

2 7

4 2

N: 742812.4 E: 3010133.7

N: 742959.9 E: 3010230.2

N: 743148.0 E: 3010282.0

N: 743335.1 E: 3010285.8

N: 743453.8 E: 3010235.9

N: 743563.6 E: 3010146.4

N: 743635.5 E: 3010066.7

N: 743692.3 E: 3009951.4

N: 743717.6 E: 3009809.1

N: 743720.8 E: 3009704.8

N: 743655.1 E: 3009509.6

N: 743572.9 E: 3009403.0

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

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D Y

1. ALL BEACH QUALITY MATERIAL MUST GO TO WELLS ISLAND

UNTIL ITS MAXIMUM CAPACITY IS MET PRIOR TO ANY REMAINING

MATERIAL BEING DISCHARGED ONTO PARNELL ISLAND.

2. SEE SPECIFICATION SECTION 35 20 23, PARAGRAPH 3.6.4.2.2

“PARNELL ISLAND PLACEMENT AREA”.

3. A MINIMUM OF 15 DAYS PRIOR TO THE DISCHARGE OF ANY

EFFLUENT ON PARNELL ISLAND, THE CONTRACTOR SHALL MEET

ONSITE WITH A REPRESENTATIVE OF THE NC WILDLIFE

RESOURCES COMMISSION AND REPRESENTATIVES OF THE

CONTRACTING OFFICER TO DISCUSS OPTIMAL LOCATIONS FOR

THE DISCHARGE OF EFFLUENT.

4. THE BOUNDARY OF THE SUBMERGED AQUATIC VEGETATION

(SAV) WAS PROVIDED BY NCDEQ WITH AN EFFECTIVE DATE OF 16

AUG 2022.

5. PRIOR TO AND DURING PLACEMENT OF EFFLUENT ONTO

PARNELL ISLAND, THE CONTRACTOR SHALL CONSTRUCT A

DISCHARGE FLOW PATTERN USING DIKES, BERMS, CHECK DAMS,

TRAINER DIKES, AND/OR SEDIMENT POOLS/CHAMBERS, ETC.

THAT WILL ENSURE SEDIMENT SETTLES OUT PRIOR TO

ENTERING OPEN WATERS. EFFLUENT SHALL BE DISCHARGED IN

A DIRECTION AWAY FROM THE SAV TO MINIMIZE DISTURBANCE.

6. PLACEMENT OF EFFLUENT ONTO PARNELL ISLAND SHALL BE

LIMITED TO 10 ACRES ABOVE MEAN HIGH WATER (MHW) ON TOP

OF EXISTING VEGETATION AND WILL NOT EXTEND THE ISLAND'S

CURRENT FOOTPRINT. THE TARGET HEIGHT SHALL BE 10 FEET

(BUT NO MORE THAN 15 FEET) OF ELEVATION ABOVE MHW.

7. THE TOP AND SIDE SLOPES SHOULD HAVE NATURAL

UNDULATIONS AND SLOPES (E.G., SWALES AND SLOPES 50H:1V),

BUT NONE SHALL BE STEEPER THAN A SLOPE RATIO OF 15H:1V

(SEE “TYPICAL” INSET). THE INTENT IS TO CREATE A DOME WITH

GRADUAL ROLLING RISE AND FALL HABITAT SUITABLE FOR

NESTING SHOREBIRDS.

8. ENVIRONMENTAL WINDOW FOR PLACEMENT: 01 SEPTEMBER

2024 TO 31 MARCH 2025

LEGEND:

ABOVE WATER LEVEL PLACEMNT

LIMITS

SCALE: 1"=200'

TOP OF BERM

ELEV. = +10' (NAVD88)

EXISTING GROUND

PROPOSED FILL

TYPICAL PARNELL ISLAND PLACEMENT DETAIL

N.T.S.

CONSTRUCTION LIMITS

CN109

R D

N D

4002000 100

NOTES:

LOCATION MAP - PARNELL ISLAND PLACEMENT AREA

SUBMERGED AQUATIC VEGETATION

(SAV) BOUNDARY

SCALE 1" = 200'

D .D

W G

PAMLICO SCENIC BYWAY (RTE 264)

KE W

ORTH R

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

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O N

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C H

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E D

SHEET ID

U .S

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M Y

C O

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R S

N D

N G

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-0

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CN110

P T

M an te o_

St um py P oi nt

O ve rv ie w .d w g

LOCATION MAP - STUMPY POINT

STUMPY POINT

PLACEMENT

AREA

PROPOSED PIPELINE ROUTE

STUMPY POINT CHANNEL (BID OPTION)

SEE SHEET CN111

400020000 1000

SCALE: 1"=2000'

SCALE 1" = 2000'

STUMPY POINT PLACEMENT AREA NOTE:

1. AT LEAST 15 DAYS PRIOR TO PLACEMENT OF PIPE IN THE PLACEMENT

AREA, THE CONTRACTOR SHALL MEET ONSITE WITH THE CONTRACTING

OFFICER'S REPRESENTATIVE AND A REPRESENTATIVE OF THE NORTH

CAROLINA WILDLIFE RESOURCES COMMISSION TO DETERMINE THE

PIPELINE ROUTE AND INITIAL DISCHARGE POINT.

3X6 STOPLOG

2" MAX

51 2"

2" MIN

16"

8" 3

1 2"

4" 3

4"1 2"

2" x 6" GALV. LAG BOLT

6" FROM EACH END

BLUNT END WITH

HAMMER OR BY

GRINDING & TOUCH-UP

PAINT W/ ZINC-RICH

PRIMER

TYPICAL TIMBER STOPLOG DETAIL

N.T.S.

1. NEW STOPLOGS SHALL BE #1 DENSE SOUTHERN PINE AND SHALL BE PRESSURE TREATED IN ACCORDANCE WITH AWPA U1 (USE CATEGORY UC5B WATERBORNE PRESERVATIVE) AFTER FABRICATION. UNTREATED WHIT OAK MAY

ALSO BE USED.

2. STOPLOG LENGTH SHALL BE APPROXIMATELY 4'. THE CONTRACTOR SHALL MEASURE THE CLEAR WIDTH OF EACH BAY AT EACH STRUCTURE (FACE OF CHANNEL WEB TO FACE OF CHANNEL WEB) PRIOR TO ORDERING STOPLOGS.

CONTRACTOR SHALL DETERMINE THE QUANTITY OF STOPLOGS REQUIRED.

3. NEW STOPLOGS SHALL HAVE LAG SCREW INSTALLED AS SHOWN 6" FROM EACH END.

4. APPLY BRUSH ON WOOD PRESERVATIVE TO ALL CUT ENDS.

5. THE CONTRACTOR SHALL INSTALL SPILLWAY STOPLOGS AS NECESSARY TO ENSURE THE RELEASE OF RETAINED WATER FROM THE DISPOSAL AREA IS IN COMPLIANCE WITH THE CONTRACT WATER QUALITY STANDARDS.

6. NO SEPARATE PAYMENT WILL BE MADE FOR PROVIDING STOPLOGS. ALL COSTS ASSOCIATED WITH PROVIDING STOPLOGS SHALL BE ACCOUNTED FOR IN THE UNIT PRICE FOR THE OPTION DREDGING OF STUMPY POINT.

TYPICAL TIMBER STOPLOG NOTES

N:720283.87 E: 2961922.99

N:722966.99 E: 2959098.74

N:723024.28 E: 2959147.08

N:720338.13 E: 2961974.54

0+00 5+00 10+00 15+00 20+00 25+00 30+00 35+00 40+00 45+00 50+00

N:723198.84 E: 2958788.47

N:723258.80 E: 2958833.28

4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00 12+87

-6-6

-6

-5 9-5

-5

-6

-5

3-5

-5 2-5

-4

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-6

-7

-6

-7

-6

-7

1 -7

-7

-7 8 -7

-8

-7

-6

-6 4-5

-5

9-5

-5

-5 6-5

1-5

-5

-5 4-5

1-5

-5

-4

-5

-5 9 -6

-6

3 -5

-5

-6

-7

-7 0-6

8-6

-6

-6 4-6

-6

0-5

-5

-6

-6 1-5

7-5

-5

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-4

-5 0 -5

-4

-5

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-7

-7 5-7

-7

1-7

-6

-6 1-6

-5

-6

1-5

-6

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-5 9-5

-5

5-5 1-5

-5

-6

-5

-6

-5

7-5

-5

-4 2 -4

4 -4 0 -4

2 -4

-4

-5

-6

-7

-4

-5

-4

-3

-3 8 -3

8 -3 8 -3

9 -3 9 -3

8 -3 7 -3

7 -3 7 -3

9 -4 0 -4

-4

-5

-4

-4 5 -4

9 -4 5 -4

4 -4

-4 3 -4

4 -3 8 -4

6 -4

-4

-5

-4

-5

-5 6 -5

6 -6

-5

-4

-5

-4

-5

-4

-5

-4

-5

-4

-3

-4

-5

-4

-5

-6

-5

-4

-5

-4

-5

-4

-2

-1

-3

-4

-5

-4

-7

2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

N N

C R

O N

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C O

N O

C H

D B

D R

B Y:

E D

SHEET ID

U .S

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M Y

C O

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R S

N D

N G

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CN111

P O

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O _S

T R

(7 ' A

D ).D

W G

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

75'

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-7

STUMPY POINT RANGE 1 AND 2

Feet 0 200 400

STUMPY POINT

RANGE 2

CHANNEL CENTERLINE

CHANNEL PRISM LINE

CENTERLINE OFFSET

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

MEAN LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 13 MAY 2024 WITH DISTRICT SURVEY VESSEL "KNOWLTON", USING

RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: FISH HOUSE DOCK

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

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

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

CONDITIONS EXISTING AT THAT TIME.

6. THE GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL

CONDITIONS, EXCEPT FOR THE EXACT LOCATIONS AND THE TIME THEY WERE MADE.

7. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

8. THE DESIGNATED PLACEMENT AREA FOR DREDGED MATERIAL IS THE STUMPY POINT

PLACEMENT AREA. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN110.

9. ENVIRONMENTAL WINDOW FOR STUMPY POINT CHANNEL DREDGING: 01 NOVEMBER 2024

TO 28 FEBRUARY 2025.

SCALE: 1"=200'

CENTERLINE OFFSET

NOTES:

LEGEND:

-6.7

En gi ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

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. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

O V

E R

S H

E E

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

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d w g

:5 :2

P M :1 A

E M A R

A S S O C

D C

R-1

REFERENCE

R-1

S C

C C

U R

A T

E W

H E

N S

H E

E T

D En gi ne er in g

- E nv iro nm en ta l - L an d

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No . C

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. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

P O

G R

A P

S U

R V

E Y

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:4 :1

P M :1 A

E M A R

A S S O C

D C

R-2

REFERENCE

R-2

S C

C C

U R

A T

E W

H E

N S

H E

E T

En gi ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

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W es t S t.

Cl ai r S tre et

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-2

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co m

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No . C

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A ss oc ia te s, L td

. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

P O

G R

A P

S U

R V

E Y

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:4 :0

P M :1 A

E M A R

A S S O C

D C

R-3

REFERENCES

C C

U R

A T

E W

H E

N S

H E

E T

RTH CA ROLINA

ME S L . O V E R T ON, S

OFESSIONAL

L A

ND S UR V EY O

En gi ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

Al be m ar le

A ss oc ia te s, L td

W es t S t.

Cl ai r S tre et

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Ki ll D ev il H ills

, N C

Ph on e:

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-2

Fa x:

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co m

Ce rt.

o f L ice ns ur e

No . C

-1

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. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

E C

N S

T O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:2 :1

P M :1 A

E M A R

A S S O C

D C

R-4

REFERENCE

R-1R-4

S C

C C

U R

A T

E W

H E

N S

H E

E T

E ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

Al be m ar le

A ss oc ia te s, L td

W es t S t.

Cl ai r S tre et

. B ox

Ki ll D ev il H ills

, N C

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-2

Fa x:

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-0 ww w.

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co m

Ce rt.

o f L ice ns ur e

No . C

-1

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A ss oc ia te s, L td

. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

E C

N S

T O

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:2 :3

P M :1 A

E M A R

A S S O C

D C

R-5

REFERENCE

R-1R-5

S C

C C

U R

A T

E W

H E

N S

H E

E T

E ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

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T E S L T

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Ki ll D ev il H ills

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-2

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-0 ww w.

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co m

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No . C

-1

Th is do cu m en t i s th e pr op er ty o f

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. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

E C

N S

T O

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:2 :3

P M :1 A

E M A R

A S S O C

D C

R-6

REFERENCE

R-1R-6

S C

C C

U R

A T

E W

H E

N S

H E

E T

E ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

Al be m ar le

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W es t S t.

Cl ai r S tre et

. B ox

Ki ll D ev il H ills

, N C

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-2

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co m

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o f L ice ns ur e

No . C

-1

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Al be m ar le

A ss oc ia te s, L td

. A ll rig ht s re se rv ed . A ny u na ut ho riz ed us e or a lte ra tio n is pr oh ib ite d.

E C

N S

T O

RTH CA ROLINA

MES L . O V E R T ON, S

OFESSIONAL

ND S U R V EY O

K A c ti ve

P ro je c ts

S tu m p y P o in t D is p o sa l S it e A

S u rv e y\ C a d d

F ile s\ A

S e c ti o n s.

d w g

:2 :0

P M :1 A

E M A R

A S S O C

D C

R-7

REFERENCE

R-1R-7

S C

C C

U R

A T

E W

H E

N S

H E

E T

E ne er in g

- E nv iro nm en ta l - L an d

Pl an ni ng

S S O

T E S L T

D lbe m ar le

Al be m ar le

A ss oc ia te s, L td

W es t S t.

Cl ai r S tre et

. B ox

Ki ll D ev il H ills

, N C

Ph on e:

) 4

-2

Fa x:

) 4

-0 ww w.

Al be m ar le As so…

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