20070047 Ver 2_Application_20071009

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STATE of NORTH CAROLINA
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DENR -WATER QUALITY
WEILANQ,4 Al~O ~TF1f ~AfWATBR BWWCH
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY DIVISION OF HIGHWAYS LYNDO TIPPETT
GOVERNOR SECRETARY
October 5, 2007 ~ ~ OQ~ ~ V~
Mr. Dave Timpy Mr. Stephen Lane
U.S. Army Corps of Engineers NC Division of Coastal Management
Post Office Box 1890 400 Commerce Avenue
Wilmington, North Carolina 28402-1890 Morehead City, NC 28857
SUBJECT: Request for Modification of 404 Individual Permit, 401 Water Quality
Certification, and CAMA Major Development Permit: Second Bridge to
Oak Island in Brunswick County; TIP R-2245; Federal Aid Project STP-
1105 (06); State Project 8.2231201; $100 Debit Work Order WBS #
34407.1.1.
Reference: USAGE Action ID 199606041
DWQ Project No. 20070047, WQC No. 3608
CAMA Major Permit #20-07
The North Carolina Department of Transportation (NCDOT) is hereby requesting
modifications to the 404 Individual Permit, 401 Water Quality Certification and CAMA
Major Development Permit for the construction of the Second Bridge to Oak Island in
Brunswick County, TIP R-2245. NCDOT is requesting authorization to change the
alignment of the proposed bulkhead located at Sta. 56+40.47, adjacent to Bent 2 of the bridge
over the AIWW (Site 5). The NCDOT has concerns with potential maintenance issues and
scouring between the footer and bulkhead in the southeast corner as currently proposed.
To alleviate these concerns, the NCDOT is proposing to realign the bulkhead. to encompass
the bent as shown in the attached detail drawing. The proposed alignment will include a 60°
angle at the proposed turn on the SW corner of the bent and a 30° angle at the NW corner,
which will reduce debris jams, and vortexes that could cause scouring and other maintenance
issues. The short 90° angles on the east side of the new alignment do not present any scouring
concerns. To minimize new impacts the bulkhead will abut the outer edge of the footer, with
the exception of the west wall that will be at a 60° skew and a small section on the west wall.
The area inside the bulkhead under and around the footer will be back filled with earthen
material after construction of the footer has been completed. The new alignment will
permanently impact an additional 445 sq. ft (0.010 ac) of tidal mud flat (surface water). No
jurisdictional wetlands will be impacted by this new alignment.

REGULATORY APPROVALS
Section 404: NCDOT is hereby requesting a modification to the USAGE Individual Permit,
Action ID # 199606041, to allow for the realignment of the proposed bulkhead at Station
56+40.47 as described above and depicted on the attached drawings. The new alignment is
being requested by NCDOT to reduce maintenance concerns, enhance safety and improve
constructability of the structure.
Section 401: NCDOT is hereby requesting a modification to the 401 Water Quality
Certification. In accordance with 15A NCAC 2H, Section .0500(a) we are providing five
copies of this application to NC Division of Water Quality for their review and approval.
The processing fee of $100 will be debited for processing of the LAMA Permit Minor
Modification.
CAMA: NCDOT is hereby requesting a Minor Modification to the LAMA Major
Development Permit. We have provided a method of debiting $100 to the NC Division of
Coastal Management for .the processing of the CAMA Permit Minor Modification, as noted
in the subject line of this application, as payment for the processing the permit modification.
If you have any questions or need additional information concerning this request, please
contact Brett Feulner at [phone] or Mason Herndon in Division 3 at [phone].
Sincere ,
~~ •
Gregory J. Thorpe, Ph.D., Environment Management Director
Project Development and Environmental Analysis Branch
GJT/tmh
cc w/attachment
Mr. John Hennessy, DWQ, Raleigh-5 Copies
Mr. Ken Averitte, DWQ, Fayetteville
Mr. Steve Sollod, NCDCM, Raleigh
Dr. David Chang, P.E., Hydraulics
Mr. Mark Staley, Roadside Environmental
Mr. Greg Perfetti, P.E., Structure Design
Mr. Victor Barbour, P.E., Project Services
Mr. Travis Wilson, NCWRC
Ms. Kathy Matthews, USEPA
Mr. Gary Jordan, USFWS
Mr. Ron Sechler, NMFS
Mr. Michael Street, NCDMF
Mr. H. Allen Pope, P.E., Div. 3 Engineer
Mr. Mason Herndon, Div. 3 DEO
w/out attachment
Mr. Jay Bennett, P.E., Roadway Design
Mr. Majed Alghandour, P. E., Programming and TIP
Mr. Scott McLendon, USAGE, Wilmington
Mr. Art McMillan, P.E., Highway Design
Mr. Joseph Qubain, PDEA

R-2245 6ULKHEAD
f oot,~r
---------- Existing alignment
---------- Permuted alignment
Proposed alignment
Footer - 1210 sq. f t.
Additional area of impact
inside bulkhead - 455 sq. f t.
Proposed New Fill
nOwr01 grOUnd--~--~----~-~----~--~----`--~---
56+60.00
vv=.d.47
SEPT. 27, 2007
3.7 f t
r-2245 bulkhead.dgn 09!28/2007 08:40:42 AM
8 - 6 ft drilled shafts
226.16 sq. f t.

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• T,FiLL FACE Q ENO BENT "1
STA. 53+10,00 -L-
GRADE POINT EL.63.320
SPAN A
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(MIN.)
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4'CONCRETE SLOPE -
PROTECTION
2
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STEEL PILES EL 22t
EL. 22 t
APPROX. EXISTING
GROUND LINE
END BENT #1
SPAN B
FIX. EXP,
EL. 20.597
FOOTING ~
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EL. 24 t
HP 12 X 53 EL. 23t . t6t
STEEL PILES
BENT ~1
SECTION ALONG -L-
4'CONCRETE SLOPE
PROTECTION
STA. 52+86.00 -L-
~OSR 1104
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FILL FACE A END
8EN7

1~ STA. 53+10.00 -L-
1'-O'BERM (MIN.)
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BENT"1
STA. 54+35.00 -L-
MIN.HORI20NTAL
CLEARANCE= 20'-B'
6'-0'0 DRILLED PIE
FIX.
5,20007. -5.2000%
PI= 58+p0.00 -L-
EL.= 88.80
UC= 800'
GRADE DATA -L-
SPAN G
/ I 159'-9'
. ~ i . i ~IIIN.HORIZONTAL CLEARANCE
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~ ~ CONTROL LINE BRIDGE I.D.
~i BU~KHEAD ~ STA. 58+00.00 -L-
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~"~ TEMPORARY BENT ~ STA. 56+60.00 -L-
~~ FOA CONSTRUCTION
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(TOTAL LENGTH OF BRIDGE FILL FACE TD FILL FACE)'
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PLAN
(PILES AND DRILLED PIERS
NOT SHOWN FOR CLAAITY7
BY , ~R"aD: MARTIN oarE , 4/8/05
er . .BiC. HANKS ~,rc . 9/6/06

0100 EL. 11.6
050 EL. 10.1
- ~MHW EL. 2.7
MLW EL -15
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U SEE BULKHEAD SHEETS FOA DETAILS,
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EL. -5t
EL -1St EL. -10t
EL. -15 t
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NOTE: 65'-O'MIN.VERTICAL CLEARANCE
Q MHW ELEV.
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PROJECT N0. R-2245
BRUNSWICK COUNTY
STATION:- 58+00.00 -L-
SHEET 1 OF 6 aamrc un o00
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DEPARTMENT OF TRANSPORTATION
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GENERAL DRAWING
FOR BRIDGE ON SR 1105
NORTH MIDDLETON AVE•OVER
THE INTRACOASTAL WATERWAY
BETWEEN SR 1104 AND NC211
oar ~roJ erg oAh,~l 5-26
BENT #2