20200340 Ver 3_ePCN Application_20210716

DWR
Dlrlslon of Water Resources
Pre -Construction Notification (PCN) Form
For Nationwide Permits and Regional General Permits
(along with corresponding Water Quality Certifications)
June 1, 2021 Ver4.1
Initial Review
Has this project met the requirements for acceptance in to the review process?*
r Yes
r No
Is this project a public transportation project?*
r Yes r No
Change only if needed.
BIMS # Assigned
20200340
Is a payment required for this project?*
r No payment required
r Fee received
r Fee needed - send electronic notification
Reviewing Office*
Mooresville Regional Office - [phone]
'Information for Initial Review
la. Name of project:
Cowans Ford Floating Bulkhead Ramp and Storage Project
la. Who is the Primary Contact?*
Joe Arcella
1b. Primary Contact Email:*
[e-mail]
Date Submitted
7/16/2021
Nearest Body of Water
Lake Norman
Basin
Catawba
Water Classification
WS-N, B; CA
Site Coordinates
Latitude: Longitude:
35.441845-80.960761
A. Processing Information
County (or Counties) where the project is located:
Lincoln
Is this a NCDMS Project
r Yes r No
Is this project a public transportation project?*
r Yes r No
Pre -Filing Meeting Information
Version#*
3
What amout is owed?*
IT $240.00
r" $570.00
Select Project Reviewer*
Alan Johnson:eads\adjohnson1
1c. Primary Contact Phone:*
[phone]
Is this a courtesy copy notification?*
r Yes r No

ID#
20-0340
Pre -fling Meeting or Request Date
6/3/2021
Attach documentation of Pre -Filing Meeting Request here:
pick the upload button or drag and drop files here to attach document
DWR Pre -Filing Meeting Request Form_20210603.pdf
File type rtust be FCF
1a. Type(s) of approval sought from the Corps:
W Section 404 Permit (wetlands, streams and waters, Clean Water Act)
r Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act)
Has this PCN previously been submitted?*
IT Yes
r No
Please provide the date of the previous submission.*
2/15/1921
1b. What type(s) of permit(s) do you wish to seek authorization?
W Nationwide Permit (NWP)
r Regional General Permit (RGP)
r Standard (IP)
1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
Nationwide Permit (NWP) Number: 36 - Boat Ramps
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
W 401 Water Quality Certification - Regular
r Non-404 Jurisdictional General Permit
r Individual 401 Water Quality Certification
le. Is this notification solely for the record because written approval is not required?
For the record only for DWR 401 Certification:
For the record only for Corps Permit:
Version
2
49.49KB
r 401 Water Quality Certification - Express
r Riparian Buffer Authorization
1f. Is this an after -the -fact permit application?*
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes IT No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
1h. Is the project located in any of NC's twenty coastal counties?
r Yes IT No
1j. Is the project located in a designated trout watershed?
r Yes r No
B. Applicant Information
1d. Who is applying for the permit?
W Owner r Applicant (other than owner)
le. Is there an Agent/Consultant for this project?*
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
Duke Energy Corp: DUKE POWER CO REAL EST DV
2b. Deed book and page no.:
1221-329
*
r Yes r No
r Yes r No

2c. Contact Person:
Michael Brissie - Duke Energy Carolinas, LLC
2d.Address
Street Address
257 Duke Lane
Address Line 2
City
Stanley
Postal / Zip Code
28164
2e. Telephone Number:
[phone]
2g. Email Address:*
[e-mail]
4. Agent/Consultant (if applicable)
4a. Name:
Eric Mularski
4b. Business Name:
HDR
4c.Address
Street Address
440 S. Church Street, Suite 900
Address Line 2
aty
Charlotte
Postal / Zip Code
28202
4d. Telephone Number:
[phone]
4f. Email Address:*
[e-mail]
C. Project Information and Prior Project History
1. Project Information
1b. Subdivision name:
ff appropriate)
1c. Nearest municipality/ town
Lowesville
2. Project Identification
State / Rwince / legion
NC
Country
USAC
2f. Fax Number:
State / Rwince / Region
NC
Country
USACE
4e. Fax Number:
2a. Property Identification Number:
2b. Property size:
78530; 56191
45
2c. Project Address
Street Address
257 Duke Lane
Address Line 2
City
State / Rwince / Region
Stanly
NC
Postal / Zip Code
Country
28164
USA
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
Lake Norman
3b. Water Resources Classification of nearest receiving water:*
WS-N, B; CA
3c. What river basin(s) is your project located in?*

Catawba
3d. Please provide the 12-digit HUC in which the project is located.
03050103
4. Project Description and History
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
Approximately 45.0 -acre site comprised of an existing rip rap levee, maintained grass area, and roadside right-of-way. Land use in the vicinity of the proposed Project consists of
residential, power generation, and open water/recreational uses.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
r Yes r No r Unknown
If yes, please give the DWR Certification number or the Corps Action ID (exp. SAW-0000-00000).
CWA Section 404 U.S. Army Corps of Engineers (USACE) Nationwide Permit 36 (Boat Ramps) on 3/16/2020 (SAW-2020-00448). Approval of the project under 401 Water Quality
General Certification Number 4132 and/or 4145 was received from the N.C. Division of Water Resources (NCDWR), dated 3/18/2020.
Email authorization was received from the USACE on 2/17/2021 and an NCDWR approval letter for modifications under 401 Water Quality General Certification Number 4132 and/or
4145 was also received, dated 3/2/2021
4f. List the total estimated acreage of all existing wetlands on the property
4g. List the total estimated linear feet of all existing streams on the property:
4h. Explain the purpose of the proposed project:*
Duke Energy is requesting a modification to the approved Clean Water Act (CWA) Section 404 Nationwide Permit 36 (Boat Ramps)/Section 401 Water Quality General Certification
Number 4132 for additional impacts to open waters (Lake Norman) for Duke Energy's Cowans Ford Floating Bulkhead Ramp and Storage Project (SAW-2020-00448/DWR# 20-0340) in
Lincoln County, North Carolina.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
Duke Energy and their construction contractor, Crowder Company (Crowder) is requesting approximately 0.05 acres (730 cubic yards) of additional permanent open water fill (rip rap)
and approximately 0.28 acres of temporary de -watering impacts along the sides of the boat ramp to facilitate a safer Portadam cofferdam system during construction. The maximum
capacity to retain water in a Portadam system is 10 feet. The additional stone fill around the boat ramp will allow for additional freeboard and would provide additional safety to workers
during construction during wakes from the lake during windy days or days with high boat traffic. The fill will be associated with the additional area associated with the expanded
Portadam area and fill under the boat ramp.
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
r Yes r No
Comments:
5b. If the Corps made a jurisdictional determination, what type of determination was made?*
r Preliminary r Approved r Not Verified r Unknown r N/A
Corps AID Number:
5c. If 5a is yes, who delineated the jurisdictional areas?
Name (if known):
Agency/Consultant Company:
Other:
6. Future Project Plans
6a. Is this a phased project?*
r Yes r No
O Unknown
Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed projector related activity?
D. Proposed Impacts Inventory
1. Impacts Summary
1a. Where are the impacts associated with your project? (check all that apply):
r Wetlands r Streams -tributaries F Buffers
W Open Waters r Pond Construction
4. Open Water Impacts

4a. Site # 4a1. Impact Reason 4b. Impact type 4c. Name of wat,rbody 4d. Activity type 4e. Waterbody type 4f. Impact area
Fill
P
Lake Norman
Fill
_11
Lake
OF05
De-Watering
T
Lake Norman
Dewatering
Lake
0.28
4g. Total temporary open water Impacts: 4g. Total permanent open water impacts:
0.28 0.05
4g. Total open water impacts:
0.33
4h. Comments:
E. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
Water will be pumped on -shore and filter bags will be utilized to remove sediment. A cofferdam system will be utilized to let construction work be
performed in the dry and to minimize impacts to Lake Norman.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
Live concrete will not be allowed to enter the waterway and all appropriate erosion and sediment control devices will be installed and maintained
through the duration of the project. A cofferdam system Will be utilized to let construction work be performed in the dry and to minimize impacts to Lake
Norman.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r' Yes r No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:
This project does not meet the requirements for mitigation.
F. Stormwater Management and Diffuse Flow Plan (required by DWR)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
r Yes r No
What type of SCM are you providing?
r Level Spreader
r Vegetated Conveyance (lower SHWT)
r Wetland Swale (higher SMNT)
r Other SCM that removes minimum 30 % nitrogen
W Proposed project will not create concentrated stormwater flow through the buffer
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
r Yes r No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
r Yes r No
Comments
i G. Supplementary Information
1. Environmental Documentation
1a. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?"
r Yes r No
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)? *
r Yes r No

3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
r Yes r No
3b. If you answered "no," provide a short narrative description.
Launch ramp will be utilized to inspect the nearby dam.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes r Nor WA
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes r No
5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
r Yes r No
5c. If yes, indicate the USFWS Field Office you have contacted.
Asheville
5d. Is another Federal agency involved?*
r Yes r No
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut any trees in order to conduct the work in waters of the U.S.?
r Yes r No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
5h. Does this project involve the construction/installation of a wind turbine(s)?*
r Yes r No
r Unknown
Si. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
USACE IPaC and NC Heritage Trust Database.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
r Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
EFH Mapper.
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
r Yes r No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
National Park Service NRHP GIS Public Dataset and the NCSHPO HPO GIS Webservice
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-yearfloodplain?*
r Yes r No
8b. If yes, explain how project meets FEMA requirements:
A no -rise certification was submitted to Lincoln County. Project Activities will not increase base flood elevations.
8c. What source(s) did you use to make the floodplain determination?*
FEAM Map Services Center: FEMA FIRM Panel 4612K
Miscellaneous
Please use the space below to attach all required documentation or any additional information you feel is helpful for application review. Documents should be combined into one
file when possible, with a Cover Letter, Table of Contents, and a Cover Sheet for each Section preferred.

dick the upload button or drag and drop files here to attach docunwA
Cowans Ford Floating Bulkhead Ramp and Storage Project SAW-2020-00448 - MODIFICATION REQUEST.msg.pdf
169.8KB
Attachmentl_Section404_401_2020_Approvals.pdf
10.8MB
Attach ment2_Section404_401—Mod ification#1_2021_Approvals.pdf
897.25KB
Attach ment3_CowansFords_ImpactArea_July2021.pdf
3.3MB
Cowans new impact area with measurements.pdf
368.26KB
File mist be PDF a Kv2
Comments
Signature
® By checking the box and signing below, I certify that:
• The project proponent hereby certifies that all information contained herein is true, accurate, and complete to the best of my knowledge and belief; and
• The project proponent hereby requests that the certifying authority review and take action on this CWA 401 certification request within the applicable reasonable period of time.
• I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act');
I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND
• I intend to electronically sign and submit the PCN form.
Full Name:
Eric Mularski
Signature
Date
7/16/2021

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Mularski, Eric
From:
Nardo, Anthony <[e-mail]>
Sent:
Wednesday, February 17, 2021 4:50 PM
To:
Stygar, KRYSTYNKA B CIV USARMY CESAW (USA)
Cc:
Arcella, Joseph Louis; Byrum, Wade M
Subject:
[EXTERNAL] RE: Cowans Ford Floating Bulkhead Ramp and Storage Project
SAW-2020-00448
Ms. Stygar,
Thank you for the reply. The email notification should suffice for our needs. We appreciate the quick turnaround and will
send you the project completion form when the work has been completed.
Thank You,
Tony Nardo
D 980.337.5004 M 814.449.7827
hdrinc.com/follow-us
From: Stygar, KRYSTYNKA B CIV USARMY CESAW (USA) <[e-mail]>
Sent: Wednesday, February 17, 20214:14 PM
To: Nardo, Anthony <[e-mail]>
Cc: Arcella, Joseph Louis <[e-mail]>; Byrum, Wade M <Wade.Byrum @duke-energy.com>
Subject: RE: Cowans Ford Floating Bulkhead Ramp and Storage Project SAW-2020-00448
CAUTION: [EXTERNAL] This email originated from outside of the organization. Do not click links or open attachments
unless you recognize the sender and know the content is safe.
Mr. Nardo,
Good afternoon, Yes I have received the documents and described changes to SAW-2020-00448.
Based on the information provided, the additional impacts are allowed, and permitted. I have adjusted the permanent
impacts to reflect the changes in Cowans Ford Floating Bulkhead Ramp and Storage Project as described. USACE agrees
that the 50 CY of discharge is waived, and that the additional discharge will not result in no more than minimal adverse
environmental effects.
Please let me know if this email will suffice based on project needs, or if more documentation would be requested.
Regards
Krysta
From: Nardo, Anthony <[e-mail]>
Sent: Wednesday, February 10, 2021 8:34 AM
To: Stygar, KRYSTYNKA B CIV USARMY CESAW (USA) <[e-mail]>

Cc: Arcella, Joseph Louis <[e-mail]>; Byrum, Wade M <Wade.Byrum @duke-energy.com>
Subject: [Non-DoD Source] RE: Cowans Ford Floating Bulkhead Ramp and Storage Project SAW-2020-00448
Ms. Stygar,
I am following up to confirm you received the email, and attachments, sent on February 5, 2021. If you have any
questions or need more information please feel free to contact me at the mobile number below or at this email address.
Thank You,
Tony Nardo
D 980.337.5004 M 814.449.7827
hdrinc.com/follow-us
From: Nardo, Anthony
Sent: Friday, February 5, 2021 3:38 PM
To: [e-mail]
Cc: Arcella, Joseph Louis <[e-mail]>; Byrum, Wade M <Wade.Byrum @duke-energy.com>;
Cahoon, Steve <[e-mail]>; Gentry, Sarah <[e-mail]>
Subject: Cowans Ford Floating Bulkhead Ramp and Storage Project SAW-2020-00448
Dear Ms. Stygar,
I am writing on behalf of Duke Energy Carolinas, LLC (Duke Energy) in reference to SAW-2020-00448, Cowans Ford
Floating Bulkhead Ramp and Storage Project, which was verified by Ms. Catherine Janiczak of the US Army Corps of
Engineers (USACE) in March 2020. Duke Energy proposed to install a launch ramp for a floating bulkhead that will be
used for dam inspections for the nearby Cowans Ford Hydroelectric Station. Duke Energy received verification of the
Nationwide Permit 36 on March 16, 2020, authorizing permanent impacts of 0.14 acre (See Attachment 1). A portion of
this work is already completed, the rip rap and crushed stone base has been installed and a portion of the concrete slab
was installed on top.
Duke Energy and their construction contractor, Crowder Construction Company (Crowder), originally proposed to install
the ramp via a causeway. Crowder proposed to pour the concrete slabs onshore and then push/pull them into place.
During the construction process, this method proved not to be feasible. The construction plan was redesigned with a
proposed cofferdam system, provided by Portadam. This method will allow construction to be completed in the dry and
ensure design compliance for the ramp. (See Attachment 2 — Portadam Example for a simplified example of the
installation.) Please note, the de -watering of the work area will not be discharged directly into the lake.
The construction sequence will be as follows:
• Crowder will install rock past the end of the existing ramp (see Attachment 3 — Revised Impact Figure for
additional details).
• The cofferdam framework will be preassembled on land, placed in the water using a forklift or excavator, floated
to the desired location, and rested on the bottom.
• Once in the desired location, heavy-duty netting will be installed on the framework, and then the liner will be
floated out and installed over the netting and framework.
• Once the liner is installed, the work area will be de -watered.
• De -watering will be accomplished with two to three pumps placed inside spill containments onshore (see
Attachment 4 — De -watering Plan for additional details):
o Rip rap will be placed onshore in an upland area for the pump discharge.
o Once the water reaches appropriate levels, 4-inch pumps will be utilized with sediment bags before
discharge onshore. The water from the temporary workspace will be run through sediment bags and then
allowed to infiltrate in the upland area or return via overland flow to the lake.
o Pumps will be used to keep the work area dry.
Once the area is de -watered, the launch ramp construction will be completed, by installing the concrete slabs.
Once construction is finished, water will be pumped back into the de -watered area.
The liner will be removed, the netting will be removed, and finally the framework will be removed and moved
onshore.

The newly proposed permanent impacts will result from the placement of rip rap at the end of the ramp to facilitate the
cofferdam installation. The rip rap will result in approximately 0.02 acre (56 cubic yards) of additional permanent impacts.
Total permanent impacts are 0.16 acre (1,513.4 cubic yards) for original and newly proposed work. The de -watered
workspace area will result in approximately 0.18 acre of temporary impacts.
If you have any questions or require additional information after your review of the enclosed materials, please contact me
at [phone] or Anthony. Nardoandrinc.com.
Respectfully,
Tony Nardo
Environmental Scientist
HDR
440 S. Church Street, Suite 900
Charlotte, NC 28202
D 980.337.5004 M 814.449.7827
Anthony. Nardo(cDhdrinc.com
hdrinc.com/follow-us

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANI£L SMITH
Director
NORTH CAROLINA
Environmental Quality
March 2, 2021
DWR# 20-0340V2
Lincoln County
Mr. Joseph Arcella
Duke Energy Carolinas
257 Duke Lane
Stanley, NC 28164
Delivered via Email: Joseph.Arcella(c�duke-enrgy.com
Subject: APPROVAL of 401 Water Quality Certification with Additional Conditions
Cowans Ford Boat Ramp
Dear Mr. Arcella:
You have our approval, in accordance with the General Certification and those
conditions listed below, for the purpose proposed in your application submitted on February 15,
2021, and fee received on February 16, 2021. After reviewing your application, we have
determined that this project is covered by Water Quality General Certification Number 4132
and/or 4145 which can be viewed on our web site at https://deg.nc.gov/about/divisions/water-
resources/water-resources-permits/wastewater-branch/401-wetlands-buffer-permits/401-401-
isolated-wetlands-waters-program The General Certification allows you to use Nationwide
Permit Number 36 and/or Regional General Permit 30 once it is issued to you by the U.S. Army
Corps of Engineers (COE). Please note that you should get any other federal, state or local
permits before proceeding with your project, including those required by (but not limited to)
Sediment and Erosion Control, Non -Discharge, and Water Supply Watershed regulations.
The above noted Certification will expire when the associated 404 permit expires unless
otherwise specified in the General Certification. It is advised that all conditions of the
Certification are reviewed prior to initiation of the project. In addition to the requirements of the
Certification, you must also comply with the following conditions:
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 in writing, and you may be
required to send us a new application for a new Certification. If total wetland fills for this
project (now or in the future) exceed one acre, or of total impacts to streams (now or in
the future) exceed 300 linear feet, compensatory mitigation may be required. 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. 15A NCAC
02H .0506 and 15A NCAC 02H .0507
2. The Mooresville Regional Office shall be notified in writing once construction at the
approved impact areas has commenced. 15A NCAC 02H .0502 (e)
D E Qom, _ North Carolina Department of Environmental Quality I Division of Water Resources
wJ�}/� Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115
N11H fH (:A�i(1!.INA �
0­O'tore'wml talQ"I 704,663.1699

3. Approved Impacts:
Type of Impact
Amount Approved
Temporary Impact
Amount Approved
Permanent Impact
Open Water (fill)
0.18 acre
0.02 acre
Wetland
0 acre
0 acre
4. Stormwater discharge structures at this site shall be constructed in a manner such that the
potential receiving streams (of the discharge) will not be impacted due to sediment
accumulations, scouring or erosion of the stream banks. 15A NCAC 02H .0506(b)(5)
5. Use of native vegetation and other soft stream bank stabilization techniques is
recommended where practicable instead of riprap or other bank hardening methods. If
riprap is necessary, it shall not be placed in the streambed, unless approved by DWR
6. The permittee shall report to the Mooresville Regional Office any noncompliance with
this certification, any violation of stream or wetland standards [including but not limited to
sediment impacts, and any violation of state regulated riparian buffer rules. Information
shall be provided orally within 24 hours (or the next business day if a weekend or
holiday) from the time the applicant became aware of the circumstances. A written
submission shall also be provided within 5 business days of the time the applicant
becomes aware of the circumstances. The written submission shall contain a description
of the noncompliance, and its causes; the period of noncompliance, including exact
dates and times, if the noncompliance has not been corrected, the anticipated time
compliance is expected to continue; and steps taken or planned to reduce, eliminate,
and prevent reoccurrence of the noncompliance. The Division may waive the written
submission requirement on a case -by -case basis. 15A NCAC 02B .0200
7. The Permittee shall ensure that the final design drawings adhere to the permit and to the
permit drawings submitted for approval. 15A NCAC 02H .0507 (c) and 15A NCAC
02H .0506 (b)(2) and (c)(2)
8. Upon completion of the project, the applicant shall complete and return a "Certificate of
Completion" form to the 401/Wetlands Branch of the Division using the following link:
https://edocs.deq.nc.gov/Forms/Certificate-of-Completion. 15A NCAC 02H .0507(c)
This Certification can be contested as provided in Articles 3 and 4 of the General Statute
150B by filing a written petition for an administrative hearing to the Office of the Administrative
Hearings (hereby known as OAH). A petition form may be obtained from the OAH at
http://www.ncoah.com/or by calling the OAH Clerk's Office at [phone].
Within sixty (60) calendar days of receipt of this notice, a petition must be filed with the
OAH. A petition is considered filed when the original and one (1) copy along with any applicable
OAH filing fee is received in the OAH during normal office hours (Monday through Friday, 8:00
am to 5:00 pm, excluding state holidays).

The petitions may be faxed to the OAH at [phone], provided the original and one
(1) copy of the petition along with any applicable OAH filing fee is received by the OAH within
five (5) business days following the faxed transmission. Mailing address for the OAH:
If sending via US Postal Service:
Office of Administrative Hearings
6714 Mail Service Center
Raleigh, NC 27699-6714
If sending via delivery service (UPS. FedEx, etc.)
Office of Administrative Hearings
1711 New Hope Church Rd.
Raleigh, NC 27609-6285
One (1) copy of the petition must also be served on DEQ as follows:
Mr. Bill Lane, General Counsel
Department of Environmental Quality
1601 Mail Service Center
Raleigh, NC 27699-1601
This letter completes the review by the Division under Section 401 of the Clean Water
Act. If you have any questions, please telephone Mr. Alan Johnson in the Mooresville Regional
Office at 704-663-1699.
Sincerely,
DocuSigned by:
A"*tW H PU-J.14 for
F161FB69A2D84A3...
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Mooresville Regional Office, DEQ
Attachment
cc: Krysta Stygar, Army Corps of Engineers, Charlotte, email
Tony Nardo, HDR, Anthony. nardo(d)-hdrinc.com
DWR 401 & Buffer Permitting Branch file
MRO, Land Quality

CERTIFICATE OF COMPLETION
NCDWR Project No.:
Applicant:
Project Name:
Date of Issuance of 401 Water Quality Certification:
Certificate of Completion
County:
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the 401
Wetland & Buffer Permitting Unit, North Carolina Division of Water Resources, 1617 Mail Service Center,
Raleigh, NC, 27699-1617. This form may be returned to NCDWR by the applicant, the applicant's
authorized agent, or the project engineer. It is not necessary to send certificates from all of these.
Applicant's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed
to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature:
Agent's Certification
Date:
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed
to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature:
Engineer's Certification
Partial Final
Date:
I, , as a duly registered Professional Engineer in the State
of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of
the project for the Permittee hereby state that, to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within
substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved
plans and specifications, and other supporting materials.
Signature Registration No. Date

U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Action Id. SAW-2020-00448 County: Lincoln U.S.G.S. Quad: NC -Lake Norman South
GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION
Permittee:
Duke Energy Carolinas, LLC
Joseph Arcella
Address:
257 Duke Lane
Stanley, NC 28164
Telephone Number:
704-812-1151
E-mail:
Joseph.Arcella(a)duke-energv.com
Size (acres)
45 Nearest Town Stanley
Nearest Waterway
Catawba River River Basin Santee
USGS HUC
03050101 Coordinates Latitude: 35.441845
Longitude:-80.960761
Location description: The project area is located 100 feet Northeast of the intersection of Club Drive and Ravenwood Lane in
Lincoln County. PIN(s): 78530, 56191.
Description of projects area and activity: This verification authorizes the permanent impact of 0.14 acres of Lake Norman for a
launch ramp.
Applicable Law(s): ®
Section 404 (Clean Water Act, 33 USC 1344)
❑
Section 10 (Rivers and Harbors Act, 33 USC 403)
Authorization: NWP 36. Boat Ramps
SEE ATTACHED NWP GENERAL, REGIONAL, AND/OR SPECIAL CONDITIONS
Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the enclosed
Conditions, your application signed and dated 3/4/2020, and the enclosed plans Figure 9 & Figure 10 dated 1/8/2020. Any
violation of the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order, a
restoration order, a Class I administrative penalty, and/or appropriate legal action.
This verification will remain valid until the expiration date identified below unless the nationwide authorization is modified, suspended
or revoked. If, prior to the expiration date identified below, the nationwide permit authorization is reissued and/or modified, this
verification will remain valid until the expiration date identified below, provided it complies with all requirements of the modified
nationwide permit. If the nationwide permit authorization expires or is suspended, revoked, or is modified, such that the activity would
no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction)
or are under contract to commence in reliance upon the nationwide permit, will remain authorized provided the activity is completed
within twelve months of the date of the nationwide permit's expiration, modification or revocation, unless discretionary authority has
been exercised on a case -by -case basis to modify, suspend or revoke the authorization.
Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You
should contact the NC Division of Water Resources (telephone [phone]) to determine Section 401 requirements.
For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior
to beginning work you must contact the N.C. Division of Coastal Management Morehead City, NC, at [phone].
This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State
or local approvals/permits.
If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of Engineers regulatory program,
please contact Catherine M. Janiczak at 704-510-1438 or Catherine.M.Janiczak(a)usace.army.mil.
Corps Regulatory Official: ( )VG, L,Date: 03/16/2020
Expiration Date of Verification: 03/18/2022

The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we
continue to do so, please complete the Customer Satisfaction Survey located at
http://corpsmapu.usace.army.mil/cm_apex/f?p=136:4:0
Copy furnished:
Agent: HDR Engineering of the Carolinas
Tony Nardo
Address: 440 South Church Street, Suite 900
Charlotte, NC 28202
Telephone Number: 980-337-5004
E-mail: Anthony.nardo(&hdrinc.com

Action ID Number: SAW-2020-00448County: Lincoln
Permittee: Duke Enemy Carolinas, LLC, Joseph Arcella
Project Name: Cowans Ford Floating Bulkhead Ramp and Storage Project
Date Verification Issued: 03/16/2020
Project Manager: Catherine M. Janiczak
Upon completion of the activity authorized by this permit and any mitigation required by the permit,
sign this certification and return it to the following address:
US ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Attn: Catherine M. Janiczak
Charlotte Regulatory Office
U.S Army Corps of Engineers
8430 University Executive Park Drive, Suite 615
Charlotte, North Carolina 28262
or
[e-mail]
Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of
Engineers representative. Failure to comply with any terms or conditions of this authorization may
result in the Corps suspending, modifying or revoking the authorization and/or issuing a Class I
administrative penalty, or initiating other appropriate legal action.
I hereby certify that the work authorized by the above referenced permit has been completed in
accordance with the terms and condition of the said permit, and required mitigation was completed in
accordance with the permit conditions.
Signature of Permittee Date

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ROY COOPER
Gabnna
MICHAEL S. REGAN
S"Irra"
S. DANIEL SMITH
Dlrri Mr
Mr. Joseph Arcella
Duke Energy Carolinas
257 Duke Lane
Stanley, NC 28164
14ORTF4 CAROLINA
Em*n+Fme"rol Qualify
March 18, 2020
DWR# 20-0340
Lincoln County
Subject: APPROVAL of 401 Water Quality Certification with Additional Conditions
Cowans Ford Boat Ramp
Dear Mr. Arcella:
You have our approval, in accordance with the General Certification and those
conditions listed below, for the purpose proposed in your application dated March 4, 2020, and
received by the Division of Water Resources (the Division) on March 5, 2020. After reviewing
your application, we have determined that this project is covered by Water Quality General
Certification Number 4132 and/or 4145 which can be viewed on our web site at
https://deg. nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-
branch/401-wetlands-buffer-permits/401-401-isolated-wetlands-waters-program The General
Certification allows you to use Nationwide Permit Number 36 and/or Regional General Permit
30 once it is issued to you by the U.S. Army Corps of Engineers (COE). Please note that you
should get any other federal, state or local permits before proceeding with your project,
including those required by (but not limited to) Sediment and Erosion Control, Non -Discharge,
and Water Supply Watershed regulations.
The above noted Certification will expire when the associated 404 permit expires unless
otherwise specified in the General Certification. It is advised that all conditions of the
Certification are reviewed prior to initiation of the project. In addition to the requirements of the
Certification, you must also comply with the following conditions:
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 in writing, and you may be
required to send us a new application for a new Certification. If total wetland fills for this
project (now or in the future) exceed one acre, or of total impacts to streams (now or in
the future) exceed 300 linear feet, compensatory mitigation may be required. 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. 15A NCAC
02H .0506 and 15A NCAC 02H .0507
2. The Mooresville Regional Office shall be notified in writing once construction at the
approved impact areas has commenced. 15A NCAC 02H .0502 (e)
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3. Approved Impacts:
Type of Impact
Amount Approved
Temporary Impact
Amount Approved
Permanent Impact
Open Water (fill)
0 acre
0.14 acre
Wetland
0 acre
0 acre
4. Stormwater discharge structures at this site shall be constructed in a manner such that the
potential receiving streams (of the discharge) will not be impacted due to sediment
accumulations, scouring or erosion of the stream banks. 15A NCAC 02H .0506(b)(5)
5. Use of native vegetation and other soft stream bank stabilization techniques is
recommended where practicable instead of riprap or other bank hardening methods. If
riprap is necessary, it shall not be placed in the streambed, unless approved by DWR
6. The permittee shall report to the Mooresville Regional Office any noncompliance with
this certification, any violation of stream or wetland standards [including but not limited to
sediment impacts, and any violation of state regulated riparian buffer rules. Information
shall be provided orally within 24 hours (or the next business day if a weekend or
holiday) from the time the applicant became aware of the circumstances. A written
submission shall also be provided within 5 business days of the time the applicant
becomes aware of the circumstances. The written submission shall contain a description
of the noncompliance, and its causes; the period of noncompliance, including exact
dates and times, if the noncompliance has not been corrected, the anticipated time
compliance is expected to continue; and steps taken or planned to reduce, eliminate,
and prevent reoccurrence of the noncompliance. The Division may waive the written
submission requirement on a case -by -case basis. 15A NCAC 02B .0200
7. The Permittee shall ensure that the final design drawings adhere to the permit and to the
permit drawings submitted for approval. 15A NCAC 02H .0507 (c) and 15A NCAC
02H .0506 (b)(2) and (c)(2)
8. Upon completion of the project, the applicant shall complete and return a "Certificate of
Completion" form to the 401/Wetlands Branch of the Division using the following link:
https://edocs.deq.nc.gov/Forms/Certificate-of-Completion. 15A NCAC 02H .0507(c)
This Certification can be contested as provided in Articles 3 and 4 of the General Statute
150B by filing a written petition for an administrative hearing to the Office of the Administrative
Hearings (hereby known as OAH). A petition form may be obtained from the OAH at
http://www.ncoah.com/or by calling the OAH Clerk's Office at [phone].
Within sixty (60) calendar days of receipt of this notice, a petition must be filed with the
OAH. A petition is considered filed when the original and one (1) copy along with any applicable
OAH filing fee is received in the OAH during normal office hours (Monday through Friday, 8:00
am to 5:00 pm, excluding state holidays).
The petitions may be faxed to the OAH at [phone], provided the original and one
(1) copy of the petition along with any applicable OAH filing fee is received by the OAH within
five (5) business days following the faxed transmission. Mailing address for the OAH:

If sending via US Postal Service:
Office of Administrative Hearings
6714 Mail Service Center
Raleigh, NC 27699-6714
If sending via delivery service (UPS. FedEx, etc.)
Office of Administrative Hearings
1711 New Hope Church Rd.
Raleigh, NC 27609-6285
One (1) copy of the petition must also be served on DEQ as follows:
Mr. Bill Lane, General Counsel
Department of Environmental Quality
1601 Mail Service Center
Raleigh, NC 27699-1601
This letter completes the review by the Division under Section 401 of the Clean Water
Act. If you have any questions, please telephone Mr. Alan Johnson in the Mooresville Regional
Office at 704-663-1699.
Attachment
Sincerely,
for
Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Mooresville Regional Office, DEQ
cc: Cathy Janiczak, Army Corps of Engineers, Charlotte, email
Tony Nardo, HDR, Anthony.nardo(o)hdrinc.com
DWR 401 & Buffer Permitting Branch file
MRO, Land Quality

CERTIFICATE OF COMPLETION
NCDWR Project No.:
Applicant:
Project Name:
Date of Issuance of 401 Water Quality Certification:
Certificate of Completion
County:
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the 401
Wetland & Buffer Permitting Unit, North Carolina Division of Water Resources, 1617 Mail Service Center,
Raleigh, NC, 27699-1617. This form may be returned to NCDWR by the applicant, the applicant's
authorized agent, or the project engineer. It is not necessary to send certificates from all of these.
Applicant's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed
to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature:
Agent's Certification
Date:
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed
to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature:
Engineer's Certification
Partial Final
Date:
I, , as a duly registered Professional Engineer in the State
of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of
the project for the Permittee hereby state that, to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within
substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved
plans and specifications, and other supporting materials.
Signature Registration No. Date

Mularski, Eric
From: Mularski, Eric
Sent: Friday, July 16, 2021 10:40 AM
To: Johnson, Alan ([e-mail])
Subject: FW: Cowans Ford Floating Bulkhead Ramp and Storage Project SAW-2020-00448 -
MODIFICATION REQUEST
Attachments: Attach ment2_Section404_401_Modification#1_2021_Approvals.pdf; Attachment3
_CowansFords_ImpactArea_July2021.pdf; Attachment1_Section404_401_2020
_Approvals.pdf; Cowans new impact area with measurements.pdf
Ms. Stygar and Mr. Johnson,
HDR, on behalf of Duke Energy Carolinas, LCC (Duke Energy), is requesting a modification to the approved Clean Water
Act (CWA) Section 404 Nationwide Permit 36 (Boat Ramps)/Section 401 Water Quality General Certification Number
4132 for additional impacts to open waters (Lake Norman) for Duke Energy's Cowans Ford Floating Bulkhead Ramp and
Storage Project (SAW-2020-00448/DWR# 20-0340) in Lincoln County, North Carolina.
Krysta — Your voicemail indicated that you are on maternity leave until mid -July so I copied Bryan Roden -Reynolds on this
request.
Alan — I will also submit a new application electronically and pay the application fee to process this request.
Original Section 404/401 Approval (March 2020) — An electronic Pre -Construction Notification (PCN) was submitted to
authorize approximately 0.14 acre of permanent fill (1,558 cubic yards) to install a boat launch (i.e., ramp) for a floating
bulkhead that would be used for dam inspections for the nearby Cowans Ford Hydroelectric Facility. Duke Energy
received authorization for construction under a CWA Section 404 U.S. Army Corps of Engineers (USACE) Nationwide
Permit 36 (Boat Ramps) on 3/16/2020 (SAW-2020-00448). Approval of the project under 401 Water Quality General
Certification Number 4132 and/or 4145 was received from the N.C. Division of Water Resources (NCDWR), dated
3/18/2020 (see Attachment 1 — Section 404/401 2020 Approvals).
Section 404/401 Modification #1 — (February 2021) — The original boat launch design included installation via a
causeway by pouring the concrete slabs onshore and then pushing/pulling them into place. During the construction
process, this method proved to be not feasible. The construction plan was redesigned to utilize a cofferdam system,
provided by Portadam, which allowed construction of the ramp to be completed in the dry. A modification was submitted to
the USACE and NCDWR for an additional 0.02 acres (56 cubic yards) of permanent open water impacts at the end of the
previously permitted boat ramp to facilitate installation of the Portadam cofferdam system. The temporary de -watering
workspace associated with the cofferdam will result in approximately 0.18 acre of temporary open water impacts. Email
authorization was received from the USACE on 2/17/2021 and an NCDWR approval letter for modifications under 401
Water Quality General Certification Number 4132 and/or 4145 was also received, dated 3/2/2021 (see Attachment 2 —
Modification #1 Approvals).
Section 404/401 Modification #2 (July 2021) - Duke Energy and their construction contractor, Crowder Company
(Crowder) is requesting approximately 0.05 acres (730 cubic yards) of additional permanent open water fill (rip rap) and
approximately 0.28 acres of temporary de -watering impacts along the sides of the boat ramp to facilitate a safer Portadam
cofferdam system during construction. The maximum capacity to retain water in a Portadam system is 10 feet. The
additional stone fill around the boat ramp will allow for additional freeboard and would provide additional safety to workers
during construction during wakes from the lake during windy days or days with high boat traffic. The fill will be associated
with the additional area associated with the expanded Portadam area and fill under the boat ramp (see Attachment 3 —
Cowans Ford Impact Area).
Below is a chart that details the timeline of approved Section 404/401 impacts as well as newly requested impacts
associated with this project.

Type of
Original
Modification #1
Modification #1
Impact
Amount of
Amount of
Amount of
Modification #2
Modification
Approved
Approved
Approved
Permanent Impact
#2 Temporary
Permanent
Permanent
Temporary Impact
(requested July 2021)
Impacts (requested
Impacts
Impact
(February 2021)
July 2021)
(March 2020)
(February 2021)
Open
0.14 acre
0.14 acre (original) +
Water
(original) + 0.02
0.02 acre (Modification
(Fill)
0.14 acres
acre
0 acre
#1) + 0.05 acre
0 acre
(Modification #1)
(Modification #2) = 0.21
= 0.16 acre
acre TOTAL
TOTAL
Open
0.18 acre
Water
(Modification #1) +
(De-
0 acres
0 acre
0.18 acre
0 acre
0.28 acres
Watering)
(Modification #2) _
0.46 acre TOTAL
Crowder provided Duke Energy with the construction sequence below:
• Crowder will place a turbidity curtain around the perimeter of the work area.
• Crowder will install a rip rap causeway below the normal pool elevation in line with the proposed boat ramp. The
causeway will serve as a stone base for the Portadam in order to facilitate the assembly of the cofferdam. The rip
rap causeway will be removed once the area is dewatered.
• Crowder will install rock past the end of the existing ramp.
• The cofferdam framework will be preassembled on land, placed in the water using a forklift or excavator, floated
to the desired location, and rested on the bottom.
• Once the framework is established in the desired location, heavy-duty netting will be installed on the framework,
and then the liner will be floated out and installed over the netting and framework.
• The work area will be de -watered once the liner is installed.
• De -watering will be accomplished with two to three pumps placed inside spill containments onshore:
o Rip rap will be placed onshore in an upland area for the pump discharge.
o Once the water reaches appropriate levels, 4-inch pumps will be utilized with sediment bags before
discharge onshore. The water from the temporary workspace will be run through sediment bags and then
allowed to infiltrate in the upland area or return via overland flow to the lake.
o Pumps will be used to keep the work area dry.
• Once the area is de -watered, the launch ramp construction will be facilitated by installing the concrete slabs.
• Water will be pumped back into the temporary de -watered area once the construction is completed.
• The Portadam will be dissembled and removed.
Please do not hesitate to contact me should you have questions or require additional information to modify the existing
Section 404/401 authorizations for this project.
Thank you,
Eric Mularski, Pws
Environmental and Regulatory Team Lead
HDR
440 S. Church Street
Charlotte, NC 28202
D 704-973-6878 M 704-806-1521
Eric. mularski(cDhdrinc.com
hdrinc.com/follow-us

Contact Name*
Contact Email Address*
Project Owner*
Project Name*
Project County*
Owner Address:*
Is this a transportation project?*
Steve G CAHOON
[e-mail]
Duke Energy, Carolinas, Inc.
Cowan's Ford Boat Ramp
Lincoln
Street Address
410 S Wilmington St
Address Line 2
aty
Raleigh
Postal / Zip axle
27601
C Yes c: No
Type(s) of approval sought from the DWR:
W 401 Water Quality Certification - F- 401 Water Quality Certification -
Regular Express
F- Individual Permit W Modification
F- Shoreline Stabilization
Does this project have an existing project ID#?*
c: Yes C No
Please list all existing project ID's associated with this projects.*
DWR#20-0340 DWR#20-340v2
State / Province / Pegion
NC
Country
United States
Do you know the name of the staff member you would like to request a meeting with?
Alan Johnson
Please give a brief project description below and include location information.*
Minor permit modification to allow for a slight increase in project
impact and additional fill material due to construction modifications
needed to install ramp.
By digitally signing below, I certify that I have read and understood that per the Federal Clean Water Act Section
401 Certification Rule the following statements:
This form completes the requirement of the Pre -Filing Meeting Request in the Clean Water Act Section 401 Certification
Rule.
1 understand by signing this form that I cannot submit my application until 30 calendar days after this pre -filing
meeting request.
I also understand that DWR is not required to respond or grant the meeting request.

Your project's thirty -day clock started upon receipt of this application. You will receive notification regarding meeting location
and time if a meeting is necessary. You will receive notification when the thirty -day clock has expired, and you can submit an
application.
Signature *
Submittal Date 6/3/2021