20131279_Ver 3_Continued update on Winter 2018 Main Dredge_20181217

From: Willson, Kenneth
To: Coats, Heather
Cc: Pelletier, Josh R SAW (Josh. R. Pel letier(obusace.army.mil); Bobby Outten - Dare County (outten(nbdarenc.com);
Trowell. Steve; Howell, Jonathan; Scarbrauah, Anthony
Subject: [External] RE: Update on Hatteras Inlet project
Date: Monday, December 17, 2018 9:10:35 AM
Attachments: imaae004.p_na
imaae001.Dna
December Event DRAFT 12-17-18.Ddf
ffe"Ime External email. Do not click links or open attachments unless verified. Send all suspicious email as an
-o )
W
The USACE conducted an updated survey of Hatteras Inlet last week. They ended up moving the
channel position to the north slightly. Attached is an updated plan set showing the updated channel
position and contours. I have requested feedback from them on whether the Temporary Disposal
Site should be moved, but I haven't gotten any confirmation yet.
As of Friday, there was no definitive plan for when they would start dredging based on weather;
however, this morning when I checked the vessel tracking system, it appears the Currituck is down in
the vicinity of Hatteras Inlet. As soon as I hear something definitive from the USACE Navigation
Branch folks, I'll let you know.
Kind Regards,
KEN WILLSON
Client Program Manager
APTIM/Coastal, Ports & Marine
O 910 7919494
M 910 443 4471
E kenneth.willson(cDAPTIM.com
A APTI M
4038 Masonboro Loop Road
Wilmington, NC 28409
APTIM.com
From: Willson, Kenneth
Sent: Thursday, December 13, 2018 9:01 AM
To: 'Coats, Heather' <[e-mail]>
Cc: Pelletier, Josh R SAW ([e-mail]) <Josh. R. Pelletier@ usace.army.mil>;
Bobby Outten - Dare County ([e-mail]) <[e-mail]>; Trowell, Steve

<[e-mail]>; Howell, Jonathan <[e-mail]>; Scarbraugh,
Anthony <[e-mail]>
Subject: Update on Hatteras Inlet project
W
The Currituck is still in Wanchese. The USACE wants to do another conditional survey of the channel
before the dredge heads that way. The survey may be conducted today and as soon as we get the
information, we will provide updated drawings with the new conditions as well as any proposed
changes to the channel or temporary bottom disposal location. Based on weather for the weekend,
we do not anticipate any dredging of the channel to occur until next week at the earliest.
I'll continue to keep you all updated.
Kind Regards,
KEN WILLSON
Client Program Manager
APTIM/Coastal, Ports & Marine
O 910 7919494
M 910 443 4471
E [e-mail]
A APTIM
4038 Masonboro Loop Road
Wilmington, NC 28409
APTIM.com

HATTERAS INLET MAINTENANCE PROJECT
PAMLICO SOUND
z PROJECT AREA
HATTERAS
I
HATTERAS
OCRACOKE INLET
ISLAND
ATLANTIC OCEAN
DARE COUNTY, NORTH CAROLINA
SHEET INDEX
1 COVER SHEET
2 PROJECT OVERVIEW
3 CONNECTOR CHANNEL PLAN VIEW
4 CONNECTOR CHANNEL CROSS SECTIONS
GENERAL NOTES:
1. COORDINATES ARE IN FEET BASED ON NORTH CAROLINA STATE PLANE COORDINATE SYSTEM, NORTH AMERICAN
DATUM 1983, (NAD83).
2. ELEVATIONS ARE REFERENCED TO MLW.
3. DATE OF AERIAL PHOTOGRAPHY: CS -1 AND PV -1 ESRI JANUARY 2016, PV -2 NCDOT HATTERAS IMAGE MARCH 2016
4. SURVEY DATA COLLECTED BY US ARMY CORPS OF ENGINEERS. DECEMBER 12, 2018.
5. BATHYMETRIC CONTOURS REPRESENT THE CONDITIONS OF THE CHANNEL ON DECEMBER 12, 2018 AND SHOULD
NOT BE RELIED ON FOR NAVIGATION PURPOSES.
LEGEND
0 7500 15000
GRAPHIC SCALE IN FT
HAT -03-V-18
RALEIGH
CHARLOTTE GPS �. CAPE HATTERAS -
-- ----- No�� PROJECT LOCATION
JACKSONVILLE• MOREHEAD CITY i
\ CAPE LOOKOUT
N.T.S. CAPE FEAR
ATLANTIC
OCEAN
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
MEAN LOW WATER LINE
MEAN HIGH WATER LINE
CROSS SECTION LINE
HATTERAS INLET BORINGS 2003 AND ID
NEARSHORE DISPOSAL AREA
SUBMERGED AQUATIC VEGETATION AND 100 FT. BUFFER
ASBUILT EXISTING CABLE ROUTE (CALDWELL CABLE VENTURES)
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0 GHAT -03-V-12
HAT -03-V-13
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CHANNEL
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0 HAT -03-V-11
0 GHAT -03-V-12
HAT -03-V-13
HATTERAS
/ INLET
PROPOSED CONNECTOR
CHANNEL
0 1000 2000
GRAPHIC SCALE IN FT
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SHEET 2 OF 4

BOTTOM OF CUT/ CHANNEL
COORDINATE TABLE
POINT ID
NORTHING
EASTING
ELEVATION
A
540079.0
2964077.0
—12.0
B
540335.0
2966588.0
—12.0
C
540313.0
2967384.0
—12.0
D
540113.0
2967378.0
—12.0
E
540135.0
2966608.0
—12.0
F
539880.0
2964097.0
—12.0
A -9
x-10 V A
ti� 0
LIFE SAVING STATION \
\
AVOIDANCE AREA �
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
CHARTED WRECK
AVOIDANCE AREA
APPROXIMATE LOCATION OF TEMPORARY
DISPOSAL SITE. USACE IS PROPOSING TO
TEMPORARILY PLACE APPROXIMATELY 500 C.Y.
IN THIS AREA. THE AREA WILL ONLY BE USED
UNTIL THE DREDGE HAS ENOUGH DEPTH TO GET
ACROSS THE SHOAL. THE DREDGE WILL THEN
RETURN AND PICK UP THE MATERIAL AND TAKE
IT TO THE NEAR SHORE DISPOSAL SITE.
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SHEET 3 OF 4

CROSS SECTION A -A'
B -B' C -C'
5 1 1 1 5
DISTANCE ALONG SECTION (FEET)
CROSS SECTION B -B'
A -A'
MHW EL. +0.42'
DECEMBER 12, 2018
5
MHW EL. +0.42'
EXISTING GRADE
I^ 0
- ...--- $ - .....---
0
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MLW EL. +0.00'
W
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LL
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DECEMBER 12, 2018
W
CHANNEL
WIDTH 200'
EXISTING GRADE
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CHANNEL 3
WIDTH 200'
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-20...
MAXIMUM AD EL.
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MAXIMUM AD EL.
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w
MAXIMUM AD EL.
CONNECTOR CHANNEL EXTENDS
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I TO EQUAL DEPTH AT
-20
TIME OF CONSTRUCTION
I
-20
-25250
I
25
0
500 1000 1500
2000 2500 3000
3500 3750
DISTANCE ALONG SECTION (FEET)
DISTANCE ALONG SECTION (FEET)
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
CROSS SECTION B -B'
A -A'
5
DECEMBER 12, 2018
5
MHW EL. +0.42'
EXISTING GRADE
I^ 0
- ...--- $ - .....---
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MAXIMUM AD EL.
_ -12.0' MLW
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0 500 750 -20
DISTANCE ALONG SECTION (FEET)
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
DISTANCE ALONG SECTION (FEET)
0 5 10 0 250 500
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
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SHEET 4 OF 4
CROSS SECTION C -C'
A -A'
5
DECEMBER 12,
5
2018
MHW EL. +0.42'
EXISTING GRADE
— — — —
MLW EL. +0.00'
— — —
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w
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MAXIMUM AD EL.
_ -12.0' MLW
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0 500 750 -25
DISTANCE ALONG SECTION (FEET)
0 5 10 0 250 500
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
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SHEET 4 OF 4