A21 - FY22 MOTSU Mid River Maintenance Dredging_RTA PLANS (UnLocked).pdf

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FY22 Wilmington Harbor, Mid-River/MOTSU Maintenance Dredging
Solicitation number
W912PM21B0007
Issued by

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Written by GovTribe AI ·

This document provides details for a federal contract solicitation for maintenance dredging services. The U.S. Army Corps of Engineers, Wilmington District is seeking a contractor to perform maintenance dredging of various channels within the Wilmington Harbor and at the Military Ocean Terminal in Sunny Point, North Carolina. Dredging depths will range from 38 to 42 feet and dredged materials will be disposed at the Wilmington Harbor Ocean Dredged Material Disposal Site. Work must be completed using hopper dredges, hydraulic cutterhead dredges, or mechanical dredges between August 1st and January 31st for most areas, with some work allowed through June 30th. This will be an unrestricted, firm-fixed-price contract between $10 million and $25 million. The solicitation will be issued on or around June 1, 2021 via beta.SAM.gov. The bid opening date will be specified then. The North American Industry Classification code is 237990 and the size standard is $30 million.

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A21 - FY22 MOTSU Mid River Maintenance Dredging_RTA PLANS (Locked).pdf PDF
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A21 - W912PM21B0007 MOTSU-Mid River Solicitation.pdf PDF
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AWARD DATE: TBD

US Army Corps of Engineers

CONTRACT NO.: TBD

SOLICITATION NO.: W912PM21B0007

MAINTENANCE DREDGING

MILITARY OCEAN TERMINAL SUNNY POINT (MOTSU)

WILMINGTON HARBOR MID-RIVER,

NEW HANOVER & BRUNSWICK COUNTIES, NORTH CAROLINA (FY22)

Wilmington District

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CONTROLLED UNCLASSIFIED INFORMATION (CUI)

Approval Recommended: *

Approved: *

DATE

DATE

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

CHIEF, ENGINEERING BRANCH

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

WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION

DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE

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

CHIEF, DESIGN and GENERAL ENGINEERING SECTION

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

5-13-21

5-13-21

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WILMINGTON OFFSHORE

FISHERY ENHANCEMENT

STRUCTURE (WOFES)

Plate No. Title

HYDE

BEAUFORT

PITT

EDGECOMBE

WASHINGTON

TYRREL

DARE

PAMLICO

CRAVEN

JONES

ONSLOW

DUPLIN

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WAYNE

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

HARNETT

Wilmington

Manteo

Elizabeth City

Cape Hatteras

Cape Lookout

Cape Fear

Rodanthe

PROJECT

Morehead

City

PROJECT LOCATION

Not To Scale

BUOY "2"

PROJECT VICINITY

BALDHEAD SHOAL

CHANNEL

CN101 LOWER BRUNSWICK CHANNEL

CN102 LOWER BIG ISLAND CHANNEL

CN103 KEG ISLAND CHANNEL

CN107 CENTER WHARF TURNING BASIN

CN108 SOUTH WHARF TURNING BASIN & APPROACH CHANNEL SOUTH TO CENTER WHARF

CN104 UPPER LILLIPUT CHANNEL

CN111 MOTSU MAINTENANCE DREDGING PLACEMENT ZONE

CN105 NOT USED

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CN109 APPROACH CHANNEL SOUTH ENTRANCE

CN112 WILMINGTON HARBOR FEDERAL NAVIGATION CHANNEL MAINTENANCE DREDGING

PLACEMENT ZONE

GI01 INDEX OF DRAWINGS, PROJECT VICINITY, LOCATION AND PLACEMENT AREA MAPS

LOWER BRUNSWICK CHANNEL

SEE SHEET CN101

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OCEAN DREDGED MATERIAL

DISPOSAL SITE PLACEMENT ZONES

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AutoCAD SHX Text "2"

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VARIES

(TYP)

DEPTH

NOT TO SCALE

TYPICAL DREDGING SECTION

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

REQUIRED

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

LEGEND

NOTES

NAVIGATION AIDS LOCATED WITH DISTRICT SURVEY VESSEL, ACCURACY PLUS / MINUS 3 METERS.

DESCRIPTION EASTING NORTHING

EASTING AND NORTHING COORDINATES ARE IN FEET.

CONTOUR

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

DREDGED MATERIAL DISPOSAL SITE. FOR LOCATION OF THE PLACEMENT AREA SEE SHEET GI01, FOR DETAILS SEE SHEETS CN110 AND CN112.

LT.BUOY # 57A 2314066.13 151351.92

LT. BUOY # 58A 2314737.24 152416.95

LT. BUOY # 59 2314739.94 155681.82

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 3 MAY 2021 WITH DISTRICT VESSEL "SWART" USING RTK GPS

HORIZONTAL AND VERTICAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

GPS REFERENCED TIDE GAGE LOCATED AT: 4TH E. JETTY

USE OF TIDE VALUES FOR THIS GAGE ARE RESTRICTED TO QUALITY ASSURANCE PURPOSES

FOR VERIFICATION OF RTK GPS TIDES. THE WILMINGTON DISTRICT WILL ONLY USE STAFF

GAGE TIDAL VALUES FOR FINAL MAPPING AND QUANTITY CALCULATIONS IF RTK GPS IS

UNAVAILABLE AT THE TIME.

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

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CONTROLLED UNCLASSIFIED INFORMATION (CUI)

VARIES

(TYP)

DEPTH

NOT TO SCALE

TYPICAL DREDGING SECTION

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

REQUIRED

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

LEGEND

NOTES

NAVIGATION AIDS LOCATED WITH DISTRICT SURVEY VESSEL, ACCURACY PLUS / MINUS 3 METERS.

DESCRIPTION EASTING NORTHING

EASTING AND NORTHING COORDINATES ARE IN FEET.

CONTOUR

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

DREDGED MATERIAL DISPOSAL SITE. FOR LOCATION OF THE PLACEMENT AREA SEE SHEET GI01, FOR DETAILS SEE SHEETS CN110 AND CN112.

LT.BUOY # 56 2317968.00 144634.78

LT. BUOY # 57 2315276.03 148976.72

LT. BUOY # 57A 2314091.64 151405.47

LT. BUOY # 58 2315083.81 150240.74

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 6 APRIL 2021 WITH DISTRICT VESSEL "SWART" USING RTK GPS

HORIZONTAL AND VERTICAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

GPS REFERENCED TIDE GAGE LOCATED AT: LOWER BRUNSWICK

USE OF TIDE VALUES FOR THIS GAGE ARE RESTRICTED TO QUALITY ASSURANCE PURPOSES

FOR VERIFICATION OF RTK GPS TIDES. THE WILMINGTON DISTRICT WILL ONLY USE STAFF

GAGE TIDAL VALUES FOR FINAL MAPPING AND QUANTITY CALCULATIONS IF RTK GPS IS

UNAVAILABLE AT THE TIME.

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.

1.

2.

3.

4.

5.

6.

Feet

0 200 400

CN101

L O

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4-

6 -

1-

LOWER

BIG ISLAND

CHANNEL

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CENTERLINE

CHANNEL PRISM LINE

CENTERLINE OFFSET

#49

#51

N: 141332.4

E: 2320752.8

N: 141235.3

E: 2320577.8

N: 139484.6

E: 2321541.5

N: 138464.9

E: 2322116.5

N: 138390.4

E: 2321795.6

N: 139058.7

E: 2322004.5

0+00 5+00 10+00 15+00 20+00 25+00 30+00 35+00 36+66.14

-42

-42

-42

C O

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2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

M A

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N

C

U I

CONTROLLED UNCLASSIFIED INFORMATION (CUI)

VARIES

(TYP)

DEPTH

NOT TO SCALE

TYPICAL DREDGING SECTION

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

REQUIRED

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

LEGEND

NOTES

NAVIGATION AIDS LOCATED WITH DISTRICT SURVEY VESSEL, ACCURACY PLUS / MINUS 3 METERS.

DESCRIPTION EASTING NORTHING

EASTING AND NORTHING COORDINATES ARE IN FEET.

CONTOUR

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

DREDGED MATERIAL DISPOSAL SITE. FOR LOCATION OF THE PLACEMENT AREA SEE SHEET GI01, FOR DETAILS SEE SHEETS CN110 AND CN112.

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 08 APRIL 2021 WITH DISTRICT VESSEL "SWART" USING RTK GPS

HORIZONTAL AND VERTICAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

GPS REFERENCED TIDE GAGE LOCATED AT: KEG ISLAND

USE OF TIDE VALUES FOR THIS GAGE ARE RESTRICTED TO QUALITY ASSURANCE PURPOSES

FOR VERIFICATION OF RTK GPS TIDES. THE WILMINGTON DISTRICT WILL ONLY USE STAFF

GAGE TIDAL VALUES FOR FINAL MAPPING AND QUANTITY CALCULATIONS IF RTK GPS IS

UNAVAILABLE AT THE TIME.

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.

1.

2.

3.

4.

5.

6.

Feet

0 200 400

CN102

L O

W E

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B

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A

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C N m r m o t l o w e r b i g i s l a n d d w g

SCALE 1"=200'

LT DM 49 2321460.52 139500.13

LT B 51 2320411.56 141335.11

M

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-42

CHANNEL CENTERLINE

CHANNEL PRISM LINE

SECTION 1

N: 138464.9

E: 2322116.5

N: 137957.8

E: 2322212.0

N: 135758.6

E: 2322378.9

N: 135778.2

E: 2321979.4

N: 137294.3

E: 2322050.1

N: 138390.4

E: 2321795.6

CENTERLINE OFFSET

L

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#46

#47

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

N: 134108.9

E: 2322206.9

N: 134104.5

E: 2322301.7

-42

2-

N: 136913.3

E: 2322171.7

N: 136901.1

E: 2322432.1

U

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#44

50+00 55+00 60+00 65+00 70+00 75+00 77+26.39

SECTION 2

N: 134108.9

E: 2322206.9

N: 132016.5

E: 2322004.2

N: 131113.9

E: 2322036.1

N: 131108.0

E: 2322161.9

-4

CENTERLINE OFFSET

N: 130799.5

E: 2322147.5

N: 131008.0

E: 2322157.3

N: 130864.8

E: 2322065.0

C O

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S I G

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CONTROLLED UNCLASSIFIED INFORMATION (CUI)

VARIES

(TYP)

DEPTH

NOT TO SCALE

TYPICAL DREDGING SECTION

2' ALLOWABLE

OVERDEPTH

CHANNEL PRISM

LINE (TYP)

M.L.L.W.

REQUIRED

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

LEGEND

NOTES

NAVIGATION AIDS LOCATED WITH DISTRICT SURVEY VESSEL, ACCURACY PLUS / MINUS 3 METERS.

DESCRIPTION EASTING NORTHING

EASTING AND NORTHING COORDINATES ARE IN FEET.

CONTOUR

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

DREDGED MATERIAL DISPOSAL SITE. FOR LOCATION OF THE PLACEMENT AREA SEE SHEET GI01, FOR DETAILS SEE SHEETS CN110 AND CN112.

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 21 APRIL 2021 WITH DISTRICT VESSEL "SWART" USING RTK GPS

HORIZONTAL AND VERTICAL POSITIONING EQUIPMENT AND 28 KHZ SOUNDING EQUIPMENT.

GPS REFERENCED TIDE GAGE LOCATED AT: KEG ISLAND

USE OF TIDE VALUES FOR THIS GAGE ARE RESTRICTED TO QUALITY ASSURANCE PURPOSES

FOR VERIFICATION OF RTK GPS TIDES. THE WILMINGTON DISTRICT WILL ONLY USE STAFF

GAGE TIDAL VALUES FOR FINAL MAPPING AND QUANTITY CALCULATIONS IF RTK GPS IS

UNAVAILABLE AT THE TIME.

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.

1.

2.

3.

4.

5.

6.

Feet

0 200 400

CN103

K E

G

I S

L A

A

N N

E L

C N m r m o t k e g i s l a n d d w g

M A

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M A

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S

T A

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E

A

B O

V E

LT. BUOY #44 2322195.55 130694.13

LT. BUOY #46 2322373.39 134249.24

LT. BUOY #47 2322045.44 137209.50

M

A

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C

H

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M A

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H L I N

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N

-42

7 -

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