20001306 Ver 1_COMPLETE FILE_20001011

State of North Carolina IqT
Department of Environment ffl:WyVA
and Natural Resources 4 0 0
Division of Water Quality A?J
AO 00-%Nwoo
James B. Hunt, Jr., Governor D E N R
Bill Holman, Secretary Kerr T. Stevens, Director
November 14, 2000
DWQ# 00-1306
Brunswick County
Buzz Bryson
Carolina Power and Light Company
P.O. Box 1551
Raleigh, NC, 27602
APPROVAL of 401 Water Quality Certification with Additional Conditions
Dear Mr. Bryson:
You have our approval, in accordance with the attached conditions, to plow 0.74 acre of wetlands in order to install two
new transmission lines on new alignment in Brunswick County, as described in your application received by the Division of
Water Quality on October 11, 2000. After reviewing your application, we have determined that this fill is covered by General
Water Quality Certification Number 3274. This Certification allows you to use your CAMA Permit when it is issued by the NC
Division of Coastal Management. In addition, you should get any other federal, state or local permits before you go ahead with
your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed
regulations. Also this approval will expire when the accompanying CAMA Permit expires unless otherwise specified in the
General Certification.
This approval is only valid for the purpose and design that you described in your application. if you change your
project, you must notify us and you may be required to send us a new application for a new certification. If the property is sold,
the new owner must be given a copy of the Certification and approval letter and is thereby responsible for complying with all
conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be
required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the
attached certification and the additional condition listed below:
1. CP&L is required to notify DWQ's Wilmington Regional Office upon initiation of work, so that staff may inspect the
process by which the new lines are laid onsite. Please contact Ms. Joanne Steenhuis at [phone].
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act
within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition conforming to Chapter 150B
of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh. N.C. 27611-7447.
This certification and its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you
have any questions, please telephone John Domey at 919-733-9646.
Sincerely,
Stevens
Non-Discharge Branch 1621 Mail Service C t r Raleigh, N h Carolina 27699-1621
Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper
Attachment
cc: Corps of Engineers Wiimingtor. Field Office
Wilmington DWQ Regional Office
Central Files
File Copy
Doug Huggett
001306
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Iffl,"KXA
AA 1?
D E N R
November 14, 2000
DWQ# 00-1306
Brunswick County
Buzz Bryson
Carolina Power and Light Company
P.O. Box 1551
Raleigh, NC, 27602
APPROVAL of 401 Water Quality Certification with Additional Conditions
Dear Mr. Bryson:
You have our approval, in accordance with the attached conditions, to plow 0.74 acre of wetlands in order to install two
new transmission lines on new alignment in Brunswick County, as described in your application received by the Division of
Water Quality on October 11, 2000. After reviewing your application, we have determined that this fill is covered by General
Water Quality Certification Number 3274. This Certification allows you to use your CAMA Permit when it is issued by the NC
Division of Coastal Management. In addition, you should get any other federal, state or local permits before you go ahead with
your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed
regulations. Also this approval will expire when the accompanying CAMA Permit expires unless otherwise specified in the
General Certification.
This approval is only valid for the purpose and design that you described in your application. If you change your
project, you must notify us and you may be required to send us a new application for a new certification. If the property is sold,
the new owner must be given a copy of the Certification and approval letter and is thereby responsible for complying with all
conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be
required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the
attached certification and the additional condition listed below:
1. CP&L is required to notify DWQ's Wilmington Regional Office upon initiation of work, so that staff may inspect the
process by which the new lines are laid onsite. Please contact Ms. Joanne Steenhuis at [phone].
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act
within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition conforming to Chapter 150B
of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447.
This certification and its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you
have any questions, please telephone John Dorney at 919-733-9646.
Sincerely,
Pst2_?
Non-Discharge Branch 1621 Mail Service C t r Raleigh, N h Carolina 27699-1621
Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper
MEMORANDUM
TO: John Dorney Regional Contact: J. Steenhuis
Non-Discharge Branch WO Supervisor: Rork Shiver
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name CP&L Bald Head Island
Project Number 00 1306
Recvd`From DCM
Received Date 10/11/00 Recvd By Region
Project Type utility crossing
County Brunswick
County2
Region Wilmington
Certificates Stream Stream Impacts (ft.)
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
CAMA Waters PT O N 18-(87.5) SA HQW 30,617. F-
Mitigation Wetland
MitigationType Type Acres Feet
Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? 0 Y 0 N
Have Project Changes/Conditions Been Discussed With Applicant? 0 Y 0 N
Is Mitigation required? 0 Y O N Recommendation: 0 Issue 0 Issue/fond 0 Deny
Provided by Region: Latitude (ddmmss) 335230
Longitude (ddmmss) 780019`
Comments:
This office would like to he notified and given an opportulty to see how the lines are iald and to
inspect this process Otherwise, this office has no objection to the eject as nosed,
cc: Regional Office
Central Office Page Number 1
Facility Name CP&L Bald Head Island County Brunswick
Project Number 00 1306 Regional Contact: J. Steenhuis
Date: 10/16/2000
Comments (continued from page 1):
cc: Regional Office
Central Office Page Number 2
DIVISION OF COASTAL MANAGEMENT
FIELD INVESTIGATION REPORT'
1. APPLICANT'S NAME: CP&L
2. LOCATION OF PROJECT SITE: Utility crossing at the mouth of the Cape Fear River,
between Bald Head Island and Caswell Beach, Brunswick Co..
Photo Index -122: 8-64 & 9-103 IM: 4-186-7 & 4-187-2
State Plane Coordinates - X: 2305200 Y: 70000
i
3. INVESTIGATION TYPE: CAMA/D&F
4. INVESTIGATIVE PROCEDURE: Dates of Site Visit - 9/26/00
Was Applicant Present - No
5. PROCESSING PROCEDURE: Application Received - 9/22/00
Office - Wilmington
6. SITE DESCRIPTION:
(A) Local Land Use Plan - Brunswick County : h
Land Classification From LUP - Conservation`
(B) AEC(s) Involved: OH, EW, PT
© Water Dependent: Yes na F,..
(D) Intended Use: Public Utility
(E) Wastewater Treatment: Existing - N/A
Planned - N/A
(F) Type of Structures: Existing - Four electrical transmission lines
Planned - Two electrical transmission lines
(G) Estimated Annual Rate of Erosion: B11I-11.5 ft./yr. & Caswell-2 ft./yr.
Source - LTAASCR-1992 - pg.2 of 17
7. HABITAT DESCRIPTION: [AREA]
DREDGED - FILLED OTHER
A) Vegetated Wetlands
(B) Non-Vegetated Wetlands
Open Water Plowing 32,400 s ft.
(C) Other - Ocean beach and vegetated 16,5000 sgft.
beach
(D) Total Area Disturbed: 50,400 sqft.
(E) Primary Nursery Area: No
(F) Water Classification: SA Open: Yes
8. PROJECT SUMMARY: The applicant is being required by the federal Wilmington Harbor
Deepening Project in the Cape Fear River, to abandon the four existing transmission lines and is
requesting to install two new transmission lines on a different alignment.
CP&L - BHI Feeder Line
Page 2
9. PROTECT DESCRIPTION
The project is located in the Cape Fear River Inlet, between Bald Head Island and Caswell Beach, in
Brunswick County. In January 2000, the US Army Corps of Engineers initiated the Wilmington Harbor
Deepening Project, to deepen and widen the federal shipping channel from Wilmington to the mouth of
the Cape Fear River and Atlantic Ocean. The new channel will be dredged to depth below the existing
cable depth that provides electrical service to Bald Head Island. Currently, CP&L has two pairs of
subaqueous electrical cables between Fort Caswell and Bald Head Island. The original cables were
installed in 1980, but were de-energized after being damaged by a ship anchor. They were replaced in
1986 by a second pair of transmission lines which currently provide service to the island.
The NC Division of Water Quality classifies the waters of the Cape Fear River in the project area, as SA,
and they are OPEN to the harvest of shellfish. These waters are not designated as Primary Nursery Areas
by the NC Division of Marine Fisheries. The Cape Fear River is approximately one mile wide in the
project area. The highground portions of the project are located in the Ocean Hazard Area of
Environmental Concern (Inlet Hazard Area), as designated by the Coastal Resources Commission. The
designated Long-term Average Annual Erosion Rates for this area of Bald Head Island is -11.5 feet/year,
and for Caswell Beach 2 feet/year.
The applicant proposes to remove the two pairs of existing cables and install two new transmission lines
on an alignment that will not be in conflict with the current or future USACOE dredging projects. To
install the new lines, CP&L would initiate a 20 inch diameter directional bore from Bald Head Island
under the proposed shipping channel, approximately 2500 linear feet. Two 8 inch steel casings would be
installed during the pull back phase of the operation. In the area of the Smith Island Channel, the bore
would be located approximately 30 feet below the proposed channel depth. From the directional bore
termination point in the river, the remainder of the cables continuing to Fort Caswell (5400 linear feet)
would be buried in the sandy bottom, using a water plow. This technique would create a trench 3 feet
wide and would allow the cable to be plowed to a depth of 6 feet below the existing grade. The cables
would be plowed separately, approximately 25 feet apart. Once the cable crossing reaches the inter-tidal
area of the beach, the cables would be buried by hand jetting to the point where a trackhoe can trench the
cables (approximately 550 feet) through the dunes and highground to the existing terminal junction box
on Fort Caswell (NC Baptist Assembly). Once the cables are installed, the trench would be back-filled
to pre-existing grade and replanted with native beach vegetation.
10. ANTICIPATED EMPACTS
Assuming a disturbance corridor 30 feet wide, the proposed project would disturb approximately 16,500
square feet of unvegetated beach and vegetated dunes, during the mechanical excavation portion of the
cable installation. The water plowing of the cable between the directional bore termination site and the
beach would disturb 32,400 square feet of shallow to deep water habitat and sandy river bottom. There
would be significant turbidity associated with this work. There may be an incidental release of the
bentonite clay drilling solution during the exit phase of the directional bore. The applicants propose to
time the bore exit with an out-going tide to limit any potential impacts. The project would function to
facilitate the channel deepening of the already approved Wilmington Harbor Project, as well as, provide
continued electrical service to Bald Head Island.
Submitted by: E.F. Brooks Date: 10/4/00 Office: Wilmington
., SEP.el.2000 12:17PM N0.128 P.2/3
TN
ar J?M'?4
?T?V
Form DCM 11+x-1
D
)OPLICATION'' 'ON OF
(To be completed by *8 applicants) ° ?, ; JA G E MI E NT
,1. APPLICANT
a, LWWOWMr. Two Landowners**
1-Name, N l.-. (Sa a. Rqa' 4a-S
Address O, 71-2 X 5 5 1
City _?) a??-- State_
Zip '17(00 Day phone:A lcl 2-43
Fax a 1A 15416-38t-f
b. Autbodzed ASU C
-1?,172_ST?V-YS4 N
Name -Carolina Power & Light Company
Address P.O. Box 1531
city Raleigh State WC
Zip 27602 Dry Phone 91 -81 -82
Fix 919-546-3805*
*Phone/Fax numbers of CP&L's Buzz Bryson
c. Project name (if =y) Bald Head Island (BHZ)
Feeder-Relocation (GMTA
JI?7? ?eneit +ctt Ge dews to nor?e gfls?dow?nflfl. awdlar
pr+jrot retie.
2. LOCATION OF PROPOSED
PROJECT •
& County Brunswick
**NC Baptist Assembly,
3ald l\ aA -7-s \._t v.d,
a..w EM
b. Chy, team, comsmtnhy or landmark
Fort Caswell and Bald Head Island Village
c. "Strad address or secondary road number
Please see attached map
d. 1s proposed work within city lkdtz or planning
jurisdiction? X Yea No
e. Name of body of wooer nearest project (e.g. r1m,
. creek, sound, bay) Cape Fear River
3. DESCRIMON AND PLANNED USE
OF PROPOSED PROJECT
L List an development acdvitles you propose (e.g.
building a home, motel, marina, bulkhead, plot, and
e:avotion and/or tuft activities.
Placement of two 8-inch steel casings,
for a length of 2500 ft and the placement
of two 8-inch cables for a total length of
8470 ft usim a comb inatiop o b9„lin • and
trenching techniques.
b. U the proposed activity mabd enance of an aaisdng
project, new work, or both? Mintain (replace)
existing cable.
c. Will the project be for public, private or commercial
we 'Public utility
d. Dive a briefdascriptlon of purpose, use; methods of
consmalon ad dally opmdoas of Popaed
project. X more space is needed, please attach
additional pages.
Please see Attachmgi}x 1
100 Caswell Beach Road Oak Island, NC 28465
? O.3oX soul -2,alh 44a&A Mz4a,.d) NC. 2840
900 -234 -1 G6o
Form DCM-MP-1
4. LAND AND WATER
CHARACTERISTICS
a. Size of entire tract 35, 200 sa ft (0.8 acres)
b. Size of individual lot(s)
N/A
c. Approximate elevation of tract above MHW or
NV,rL None
d. Soil type(s) and texture(s) of tract
Newham fine sand (2-30% slopes): fine
sand
e. Vegetation on tract Maritime shrubs and
dune grasses
f. Man-made features now on tract one junction
box on BHI and one junction box on
Fort Caswell
g. What is the CAMA Land Use Plan land
classification of the site? (Cotsdt the local kind use plan.)
X Conservation Transitional
X Developed Community
Rural Other
h. How is the tract zoned by local government?
Developed
i. Is the proposed project consistent with the applicable
zoning? X Yes No
(Atmch zoning compliance cernfiome, ifapph-bke)
j. Has a professional archaeological assessment been
done for the tract? X Yes No
If yes, by whom? Environmental SPrv; ce _
Inc. Archaeologist Scott Seibel, RPA
k. Is the project located in a National Registered
Historic District or does it involve a National
Register listed or eligible property?
Yes X No
1. Are there wetlands on the site? Yes X No
Coastal (marsh) Other
If yes, has a delineation been conducted?
(Attach doaanentation, if am"k )
sEP .. ro00D
DIVISION OF
,OASTAL MANAGEMENT
in. Describe existing wastewater treatment facilities.
N/A
n. Describe location and type of discharges to waters
of the state. (For example, surface runoff, sanitary
wastewater, industrial/commercial effluent, "wash
down" and residential discharges.)
Incidental Bentonite Discharge
Please see Attachment 1
o. Describe existing drinking water supply source.
N/A
5. ADDITIONAL INFORMATION
In addition to the completed application form, the
following items must be submitted:
• A copy of the deed (with state application only) or
other instrument under which the applicant claims title
to the affected properties. If the applicant is not
claiming to be the owner of said property, then
forward a copy of the deed or other instrument under
which the owner claims title, plus written permission
from the owner to carry out the project.
• An accurate, dated work plat (including plan view
and cross-sectional drawings) drawn to scale in black
ink on an 8 1/2" by 11" white paper. (Refer to
Coastal Resources Commission Rule 7J.0203 for a
detailed description.) Please see Attachment 2
Please note that original drawings are preferred and
only high quality copies will be accepted. Blue-line
prints or other larger plats are acceptable only if an
adequate number of quality copies are provided by
applicant. (Contact the U.S. Army Corps of
Engineers regarding that agency's use of larger
drawings.) A site or location map is a part of plat
requirements and it must be sufficiently detailed to
guide agency personnel unfamiliar with the area to the
Revised 03/45
ECENE
Form DCM-MP-1 DJJ
D
DIVIMN OF
site. Include highway or secondary road (SCyOAS
numbers, landmarks, and the like. 6. CERTIFICATION AND PERMISSION
• A Stormwater Certification, if one is necessary.
TO ENTER ON LAND
• A list of the names and complete addresses of the
l adjacent waterfront (riparian) landowners and
signed return receipts as proof that such owners
have received a copy of the application and plats
by certified mail. Such landowners must be advised
that they have 30 days in which to submit comments
on the proposed project to the Division of Coastal
Management. Upon signing this form, the applicant
further certifies that such notice has been provided.
I understand that any permit issued in response to this
application will allow only the development described in
the application. The project will be subject to conditions
and restrictions contained in the permit.
I certify that to the best of my knowledge, the proposed
activity complies with the State of North Carolina's
approved Coastal Management Program and will be
conducted in a manner consistent with such program.
Name NC Baptist Assembly I certify that I am authorized to grant, and do in fact,
Address 100 Caswell Beach Rd. Oak Island,NC grant permission to representatives of state and federal
Phone 28465 review agencies to enter on the aforementioned lands in
connection with evaluating information related to this
Name Bald Head Island Limited
Address PO Box 3069. BHI. NC 28461
Phone
Name
Address
Phone
• A list of previous state or federal permits issued for
work on the project tract. Include permit numbers,
permittee, and issuing dates.
The proposed alignment does not have
permit application and follow-up monitoring of the
project-
I further certify that the information provided in this
application is truthful to the best of my knowledge.
This is the 2-8r" day of u 5 , } Zoo
Print Name
Signature `
landm~r or Authorized Agent
any previous permits.
• A check for $250 made payable to the Department of
Environment, Health, and Natural Resources
(DEHNR) to cover the costs of processing the
application.
• A signed -AEC hazard notice for projects in
oceanfront and inlet areas.
Please indicate attachments pertaining to your proposed
project.
X DCM MP -2 Excavation and Fill Information
DCM MP-3 Upland Development
X DCM MP-4 Structures Information
_ DCM MP-5 Bridges and Culverts
_ DCM MP-6 Marina Development
• A statement of compliance with the N.C.
Environmental Policy Act (N.C.G.S. 113A - 1 to
10) If the project involves the expenditure of public
funds or use of public land, attach a statement
documenting compliance with the North Carolina
Environmental Policy Act.
NOTE: Please sign and date each attachment in the
space provided at the bonom of each form.
Reeked 03/45
SEP.21.2000 12:17PM
Form DCM MQ-2
NO. 128 P.3/3
t Ez
C ?? VE
EXCAVA ON
?, _t.
A u . a Li L 2 ?1J0 DIn-J
ANDFILL DIVISION OF
(wept bridgm and wheR:)
i
Attu this form to Joint Application for CAMA Major
Permit, Form DCM MP-1. Be sure to complete all
other section of the Joint Application that relate to this
proposed project. ,
Describe below the purpose of proposed excavation or
fill activities. All values t0 be ghee In fed.
Awrajs MW
RZ19ft Mica
wlma
Access
channel
(MLv) or OMW
Canal
Boat
basin
Boat
ramp
Rock
groin
Rock
breakwater
Other*
( a"ins
Whmiift
C0AS TAL MANAGIEJV,"EN `
L EXCAVATION
"Sao
a. Amooat of material to be excavated from below
MHW or NWL in cubic yards 32.400 vd3
b. Type of material to be excavated Sand
c. Does the area to be excavated include coastal
wetlands (marsh), submerged aquatic vegetation
(SAW or other wetlands? Yes X No
d. Highground excavation in cubic yards
BRI: 40 ya3
Fort Caswell: 1650 vd3
2. DISPOSAL OF EXCAVATED
MATERIAL
a. Location of disposal area N/A
b. Dimensions of disposal ara N/A
c. Do you claim title to disposal area?
NIA Yea MA-- No
If no, numb a letter granting permission ftvm the
owner.
d. Will a disposal area be available for future
maittteoanCc? N/A Ya N:J.A No
Uyes, where? N/A
?rOwn a14 " '? zSka,.-oL +C a I d lwt GdST z-;? +-,,N- S n hi rit - hvi
??Prx.500 Fea4. Prow` P
Redted 03I9S r tL s L,. 11 ba 'At,?d ro j e 4 P I o ?? w..?'o a +v-a v-C)A
a ? Fr?iw??? ?. (?•? 3' w i ?. Q, a,?-d E, (oa..?o w _? 60 ?-a?nn c,o-?.?d c.eX' ?.
Form DCM-MP-2
e. Does the disposal area include any coastal wetlands
(marsh), SAVs or other wetlands?
N/A Yes N/A No
f. Does the disposal include any area in the watefl
N/A Yes N/A No
3. SHORELINE STABILIZATION
a. Type of shoreline stabilization
N/A Bulkhead N A Riprap
b. Length N/A
c. Average distance waterward of MHW or NWL
N/A
d. Maximum distance waterward of MHW or NWL
N/A
e. Shoreline erosion during preceding 12 months
N/A
(Source of information)
f. Type of bulkhead or rprap material
N/A
g. Amount of fill in cubic yards to be placed below
water level
(1) Riprap N/A
(2) Bulkhead backfill N/A
h. Type of fill material N/A
i. Source of fill material N/A
4. OTHER FILL ACTIVITIES
(Excluding Shoreline Stabilization)
a. Will fill material be brought to site?
Yes X No
E-11Z V E
D
SEP 1
DIVISION OF
If yes, r" OASJAL MA''`'DEMENT
(l) Amount of maters to be placed in the
water
(2) Dimensions of fill area
(3) Purpose of fill
b. Will fill material be placed in coastal wetlands
(marsh), SAVs or other wetlands?
Yes X No
If yes,
. (1) Dimensions of fill area
(2) Purpose of fill
5. GENERAL
a. How will excavated or fill material be kept on site
and erosion controlled?
Standard Sedimentation and
Erosion Control Measures
b. What type of construction equipment will be used
(for example, dragline, backhoe, or hydraulic
dredge)?
Water -set plow, hand let
tracked backhoe
c. Will wetlands be crassed in transporting equipment
to project site? Yes X No
If yes, explain steps that will be taken to lessen
environmental impacts.
C?4. L_- P?6 Gj?eJd15(."'J Ca b?QRae ' cew'j
Applicant or ject Tigt
Signature
B?ZSLoo
Date
Revised 03/45
Form DCM-MP4 STRUCTURES
(Construction within Public Trust Areas) DIVISION I'D
COASTAL IV4A;`,` ;'- .EMENT
Attach this form to Joint Application for CAMA Major e. Mooring buoys
Permit, Form DCM-MP-1. Be sure to complete all (1) _ Commercial -Community _ Private
other sections of the Joint Application which relate to (2) Number
this proposed project. (3) Description of buoy
(Color, inscription, size, anchor, etc.)
a. Dock(s) and/or Pier(s)
(1) _ Commercial -Community _ Private
(2) Number
(3) Length (4) Width of water body
(4) Width (5) Distance buoy(s) to be placed beyond
(5) Finger Piers Yes No shoreline
(i) Number
(ii) Length f. Mooring structure (boatlift, mooring pilings, etc.)
(iii) Width (1) _ Commercial -Community _ Private
(6) Platform(s) Yes No (2) Number
(i) Number (3) Length
(ii) Length (4) Width
(iii) Width
(7) Number of slips proposed g. Other (Give complete description)
(8) Proximity of structure to adjacent riparian Two 8-inch subaqueous electric distribution
property lines cables to be placed at least 6 feet below
(9) Width of water body the maintained depth within the federal
(10) Water depth at waterward end of pier at navigation channel and at least 3 feet
MLW or NWL beneath the bottom contour outside of
the maintained channel.
b. Boathouse (including covered lifts)
(1) Commercial Private
(2) Length
(3) Width
c. Groin (e.g. wood, sheetpile, etc.)
(1) Number
(2) Length (s)
gaas(" C.I le RQPLY'e-M J
Applicant or Project Name
Signature
J00
Date
d. Breakwater (e.g. wood, sheetpile, etc.)
(1) Length
(2) Average distance from MHW, NWL or
wetlands
(3) Maximum distance beyond MHW, NWL or
wetlands
Revised 03/95
V E
Attachment 1 (Project Description)
DIVISION OF
The US Army Corps of Engineers (COE) is increasing the width andWTo"'f tlV gape aEMENT
Fear River navigation channel between Wilmington and the river mouth at Southport. In
particular, the Corps will be dredging in that section of the river between Fort Caswell
and Bald Head Island starting in January 2000. The new channel will be dredged to a
depth below CP&L's existing submarine cables which extend from Fort Caswell to
provide service to Bald Head Island. Currently there are a total of two pairs (four total)
of submarine cables that span the channel between Fort Caswell and Bald Head Island.
Two of the existing cables, installed in 1980, were replaced and de-energized
approximately 14 years ago after being damaged by a ship's anchor. The two remaining
cables, installed in 1986 to replace the damaged cables, are energized and are providing
electrical service to Bald Head Island. Each of these two pairs of cables was previously
permitted.
As a result of the Corps' dredging project, CP&L is being required to remove the four
existing submarine cables that are in conflict with the COE dredging project, and to
install two new submarine cables in a location that will not be in conflict with the current
or future COE dredging projects.
CP&L is proposing to replace these cables in a location as close to the existing location
as is practical using current engineering and construction techniques, and to avoid
conflict with the expanded navigation channel alignment. Each landward terminus of the
line, on both Bald Head Island and Fort Caswell, will utilize the existing easement for all
portions of the project located above MHW. The alignment in the river will be changed
somewhat, as shown on the enclosed maps. This altered alignment is necessary to avoid
the widening of the channel, and to maintain a safety clearance from the existing
energized cable pair.
The proposed project will be completed as follows:
• The existing de-energized cables in conflict with the dredging project will be
removed beginning approximately October 15, 2000.
• Directional boring equipment will be set up near the existing cable terminus on Bald
Head Island. A 20-inch diameter hole will be directionally drilled from that point for
approximately 2500 feet beneath the Cape Fear River and beyond the shipping
channel. The drilling operation will utilize a bentonite solution to lubricate and
stabilize the drill hole. The bentonite to be utilized is provided by Baroid under the
product name of Quick-Gel. An incidental release of a small amount of bentonite
will occur on breakout of the bore hole. In order to minimize the incidental release of
bentonite the breakout of the bore will be conducted in concurrence with an outgoing
tide.
• Utilizing barges, two 8" steel casings will be pulled back from the underwater end of
the bore to Bald Head Island. This pullback operation will expel the remainder of the
Bentonite onto the ground into a containment area on the sand/gravel parking lot at
the golf cart rental office on Bald Head Island. The bentonite at this location will be
recovered upon completion of the project.
• The two reels of cable will be transported by barge to the underwater end of the two
8" steel casings.
• The cables will then be pulled through the steel casings to the termination point on
Bald Head Island.
• Once the cables are on shore and secured, the balance of the cable will be laid by
barge toward the existing termination point at Fort Caswell, a distance of
approximately 5400 feet. The cables will initially be directly laid on the riverbed
separated by a distance of approximately 25 feet.
• Near the shoreline at Fort Caswell, the cables will be measured and cut.
• The ends of the cables will be floated to shore and laid along the proposed 550 foot
trench route from MHW to the existing termination point at Fort Caswell.
• The barge will be returned to the location where the cables exited the steel casings.
• A water plow will be attached to each cable separately and will be used to displace
the sand beneath each cable. This operation will create a trench approximately 3 feet
in width and will allow the cable to be plowed in 6 feet deep into the sand.
• At this time, we plan to also drill the cable under the beach and dune system,
beginning at a point off the beach and ending at a point as close as practicable to the
existing terminal junction box on Fort Caswell.
• Should this technique not be feasible, we propose the following:
• A hand jet will be utilized to plow in the cables on the beach to MHW at Fort
Caswell.
• Vegetation will be removed along the route from the beach to the existing
termination boxes on Fort Caswell.
• A tracked backhoe will dig a 3 foot wide, 3 foot deep trench, for the 550 foot
route from MHW to the existing terminations on Fort Caswell.
• The two cables will be installed in this trench.
• The trench will be covered and the grade will be restored to the grade that existed
prior to the trenching operation.
• Vegetation will be restored to match displaced vegetation along the entire route.
Estimated disturbed vegetation area to be 550 feet by 30 feet.
• The existing active cables will be disconnected from the existing terminations on both
Baldhead Island and Fort Caswell one at a time.
• The new cables will be attached to the existing terminations on both Baldhead Island
and Fort Caswell after the corresponding existing cable has been disconnected.
• The existing active cables in conflict with the dredging project will be removed.
• All work on the project is anticipated to be completed by Fe „0( IV p
1?
2000
FS
D
DIVISION OF E
COASTAL MANAGEMENT
C
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TABLE OF COINTEN'?$OAST?L ?MANAGEMENT
? Vicinity Map 1
Plan View -Cape Fear River 2
Index sheet 3
Plan View -Sheet 4 4
Plan View -Sheet 5 5
Plan View -Sheet 6 6
Plan View -Sheet 7 7
Plan View -Sheet 8 8
Profile -Bore/Trench 9
Profile -Bore/Trench 10

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