20060638 Ver 8_401 Application_20170714

Amec Foster Wheeler Environment and Infrastructure
4021 Stirrup Creek Drive, Suite 100
amec Durham, North Carolina 27703
foster Phone: [phone] Fax: [phone]
wheeler
LETTER OF TRANSMITTAL
TO: Ms. Karen Higgins DATE: July 13, 2017
NC DWR, 401 & Buffer Permitting W P` l
Branch
512 North Salisbury Street PROJECT NO.: 7810-15-0298
Raleigh, NC 27604 PROJ. NAME: HF Lee Seep Cooling Lake Make-up Water Intake
Canal Dredging PCN Application
SUBJECT: NWT 3 PCN Application
WE TRANSMIT TO YOU: HEREWITH Ll UNDER SEPARATE COVER
SUBJECT:
®DRAWINGS
❑SPECIFICATIONS
❑CALCULATIONS
❑REPORT
❑COST ESTIMATE
❑AS NOTED
ACTION:
❑FOR YOUR INFORMATION
®FOR YOUR COMMENT OR APPROVAL
❑RETURNED FOR CORRECTION: RESUBMIT
❑APPROVED AS NOTED
MAS REQUESTED
SENT BY:
❑MAIL
❑CERTIFIED MAIL
❑EXPRESS
❑COURIER
®HAND DELIVERED
❑FACSIMILE:
pages(including transmittal sheet
COPIES
DATE
DESCRIPTION
4
7/13/2017
Nationwide Permit #3 PCN Application
JUL 14 2017,
REMARKS:
CC:
Senior Ecologist
Direct Phone: [phone]
CONFIDENTIALITY NOTICE: This message is intended only for the use of the individual or entity to which it is addressed, and may contain information that is
privileged, confidential, and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, or the employee or agent responsible
for delivering the message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited.
If you have received this communication in error, please notify us immediately by telephone and return the original message to us at the above address via the U.S. Postal
Service. Thank you.
If transmission is not received in good order, please call Josh Witherspoon at [phone]
Domm-6 Form Revised 10//8/02

EMo�of W A TF9pG
>
Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.4 January 2009
Page 1 of 10
PCN Form — Version 1.4 January 2009
Pre -Construction Notification (PCN) Form
A.
Applicant Information
1.
Processing
1a.
Type(s) of approval sought from the Corps:
❑X Section 404 Permit ❑ Section 10 Permit
1 b.
Specify Nationwide Permit (NWP) number: 3 or General Permit (GP) number:
1c.
Has the NWP or GP number been verified by the Corps?
❑X Yes ❑ No
1 d.
Type(s) of approval sought from the DWQ (check all that apply):
NX 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
1 e.
Is this notification solely for the record
because written approval is not required?
For the record only for DWQ
401 Certification:
❑ Yes ❑X No
For the record only for Corps Permit:
❑ Yes ❑X No
1f.
Is payment into a mitigation bank or in -lieu fee program proposed for
mitigation of impacts? If so, attach the acceptance letter from mitigation bank
or in -lieu fee program.
N Yes ❑X No
1g.
Is the project located in any of NC's twenty coastal counties. If yes, answer 1h
below.
❑ Yes NX No
1 h.
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes ❑X No
2.
Project Information
2a.
Name of project:
H.F. Lee Energy Complex Cooling Lake Make-up Water Intake Canal Dredging
2b.
County:
Wayne
2c.
Nearest municipality / town:
Goldsboro
2d.
Subdivision name:
na
2e.
NCDOT only, T.I.P. or state project no:
na
3.
Owner Information
3a.
Name(s) on Recorded Deed:
Duke Energy Progress
3b.
Deed Book and Page No.
Book 1453 Page 229
3c.
Responsible Party (for LLC if
applicable):
na
3d.
Street address:
1199 Black Jack Church Road
3e. City, state, zip:
Goldsboro, NC 27530
3f.
Telephone no.:
919-722-6450
3g.
Fax no.:
3h.
Email address:
[e-mail]
Page 1 of 10
PCN Form — Version 1.4 January 2009

4. Applicant Information (if different from owner)
4a. Applicant is:
❑ Agent ❑X Other, specify: Duke Energy Progress employee
4b. Name:
Steve Cahoon - Lead Env. Specialist
4c. Business name
(if applicable):
Duke Energy Progress
4d. Street address:
411 Fayetteville Street
4e. City, state, zip:
Raleigh, NC 27601
4f. Telephone no.:
919-546-7457
4g. Fax no.:
919-546-3669
4h. Email address:
[e-mail]
5. Agent/Consultant Information (if applicable)
5a. Name:
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no.:
5f. Fax no.:
5g. Email address:
Page 2 of 10

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID):
2579623548
1b. Site coordinates (in decimal degrees):
Latitude: 35.3729 Longitude: -78.0881
1 c. Property size:
2,119 acres
2. Surface Waters
2a. Name of nearest body of water to proposed project:
Neuse River
2b. Water Quality Classification of nearest receiving water:
WS -IV; NSW
2c. River basin:
Neuse
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
The site contains electric generation units and associated facilities. Area surrounding the plant is predominantly agricultural and residential.
3b. List the total estimated acreage of all existing wetlands on the property:
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
3d. Explain the purpose of the proposed project:
Periodic maintenance dredging, on as as needed basis for permit term, of man-made canal providing make-up water to the cooling reservoir.
3e. Describe the overall project in detail, including the type of equipment to be used:
See attached page.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (includingall prior phases)in the past?
❑X Yes ❑ No ❑ Unknown
Comments:
4b. If the Corps made the jurisdictional determination, what type
of determination was made?
❑x Preliminary ❑ Final
4c. If yes, who delineated the jurisdictional areas?
Name (if known):
Agency/Consultant Company: ESI
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
SAW -2007-02660-196 7/25/2007
5. Project History
5a. Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
❑x Yes ❑ No ❑ Unknown
5b. If yes, explain in detail according to "help file" instructions.
SAW - 2010 - 00973, dated June 17, 2010; Latest was Corps Action ID: SAW - 2013 -
6. Future Project Plans
6a. Is this a phased project?
❑ Yes ❑X No
6b. If yes, explain.
Page 3 of 10
PCN Form — Version 1.4 January 2009

C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑ Wetlands ❑ Streams — tributaries ❑ Buffers ❑X Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a.
Wetland impact
number
Permanent (P) or
Temporary T
2b.
Type of impact
2c.
Type of wetland
2d.
Forested
2e.
Type of jurisdiction
Corps (404,10) or
DWQ (401, other)
2f.
Area of
impact
(acres)
W1
Choose one
Choose one
YesMo
-
W2
Choose one
Choose one
Yes/No
W3
Choose one
Choose one
Yes/No
W4
Choose one
Choose one
Yes/No
W5
Choose one
Choose one
Yes/No
W6
Choose one
Choose one
Yes/No
2g. Total Wetland Impacts:
2h. Comments:
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a.
Stream impact
number
Permanent (P) or
Temporary (T)
3b.
Type of impact
3c.
Stream name
3d.
Perennial (PER) or
intermittent (INT)?
3e.
Type of
jurisdiction
3f.
Average
stream
width
(feet)
3g.
Impact
length
(linear
feet)
S1
Choose one
S2
Choose one
S3
Choose one
S4
Choose one
S5
Choose one
S6
Choose one
3h. Total stream and tributary impacts
3i. Comments:
Page 4 of 10
PCN Form — Version 1.4 January 2009

4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a.
Open water
impact number
Permanent (P) or
T
4b.
Name of waterbody
(if applicable)
4c.
Type of impact
4d.
Waterbody
type
4e.
Area of impact (acres)
-Temporary
01 T
Unnamed intake canal
Dredging
Other
0.5
02
Choose one
Choose
O3
Choose one
Choose
04
Choose one
Choose
4f. Total open water impacts
0.5
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
Pond ID number
5b.
Proposed use or
purpose of pond
5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
(acres)
Flooded
Filled Excavated Flooded
Filled
Excavated
P1
Choose one
P2
Choose one
5f. Total:
5g. Comments:
5h. Is a dam high hazard permit required?
❑ Yes ❑ No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If any impacts require mitigation, then you MUST fill out Section D of this form.
6a. Project is in which protected basin?
❑ Neuse ❑ Tar -Pamlico ❑ Catawba ❑ Randleman ❑ Other:
6b.
Buffer Impact
number -
Permanent (P) or
T
6c.
Reason for impact
6d.
Stream name
6e.
Buffer
mitigation
required?
6f.
Zone 1
impact
(square
feet)
6g.
Zone 2
impact
(square
feet
-Temporary
B1
Yes/No
B2
Yes/No
B3
Yes/No
B4
Yes/No
B5
Yes/No
B6
Yes/No
6h. Total Buffer Impacts:
6i. Comments:
Page 5 of 10

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The proposed maintenance dredging will be limited to the confines of the man-made intake canal, and will have no new impacts to the canal or Neuse
River.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Dredging will be of limited duration. A silt curtain will prevent any sediment from entering the Neuse River or "bypass canal." Removed material will
be disposed of on high ground, no return water will be allowed to re-enter the Neuse or tributaries. The excavated material will be stabilized with a
ground cover.
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?
❑ Yes ❑X No
2b. If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
2c. If yes, which mitigation option will be used for this
project?
❑ Mitigation bank
El Payment to in -lieu fee program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
Type: Choose one
Type: Choose one
Type: Choose one
Quantity:
Quantity:
Quantity:
3c. Comments:
4. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached.
❑ Yes
4b. Stream mitigation requested:
linear feet
4c. If using stream mitigation, stream temperature:
Choose one
4d. Buffer mitigation requested (DWQ only):
square feet
4e. Riparian wetland mitigation requested:
acres
4f. Non -riparian wetland mitigation requested:
acres
4g. Coastal (tidal) wetland mitigation requested:
acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 6 of 10
PCN Form — Version 1.4 January 2009

6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation?
E] Yes QX No
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
Zone
6c.
Reason for impact
6d.
Total impact
(square feet)
Multiplier
6e.
Required mitigation
(square feet)
Zone 1
3 (2 for Catawba)
Zone 2
1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
6h. Comments:
Page 7 of 10

E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1 a. Does the project include or is it adjacent to protected riparian buffers identified
Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
There are no post construction stormwater impacts (no impervious surface). Impacts will be limited to the
Yes
temporary canal dredging, and spoil disposal on high ground. There will be no new impacts to any
❑ ❑X No
Neuse buffer.
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
0
2b. Does this project require a Stormwater Management Plan?
❑ Yes ❑X No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
Proposed project involves only maintenance dredging of existing man-made make-up water canal. Area impacted by spoil disposal will be outside of
the buffer, and will be less than 1 acre (no erosion control plan approval required), and there will be no impervious surface created. Although no
erosion control plan approval will be sought, the spoil area will include a low berm to prevent any runoff to the river, and the area will be stabilized with
a suitable ground cover.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
2e. Who will be responsible for the review of the Stormwater Management Plan?
3. Certified Local Government Stormwater Review
3a. In which localgovernment's jurisdiction is thisproject?
Wayne County
❑ Phase II
❑ NSW
3b. Which of the following locally -implemented stormwater management programs
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c. Has the approved Stormwater Management Plan with proof of approval been
El Yes ❑ No
attached?
4. DWQ Stormwater Program Review
❑Coastal counties
❑HQW
4a. Which of the following state -implemented stormwater management programs apply
❑ORW
(check all that apply):
❑Session Law 2006-246
❑Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑ No
attached?
5. DWQ 401 Unit Stormwater Review
5a.Does the Stormwater Management Plan meet the appropriate requirements?
❑ Yes E]No
5b. Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 8 of 10
PCN Form — Version 1.4 January 2009

F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 a. Does the project involve an expenditure of public (federal/state/local) funds or the
❑ Yes ❑X No
use of public (federal/state) land?
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State
❑ Yes ❑ No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
❑ Yes ❑ No
letter.)
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards,
❑Yes ❑X No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after -the -fact permit application?
❑ Yes ❑X No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in
El Yes Q No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non -discharge or discharge)
of wastewater generated from
the proposed project, or available capacity of the subject facility.
na
Page 9 of 10
PCN Form — Version 1.4 January 2009

S. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
❑ Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
❑ Yes ® No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
-
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
Said eagle and RCW are species listed for Wayne County. Neuse River may provide foraging and perching habitat for bald eagle, however, no
evidence of this has been observed by ESI staff during other project work on his property `The project will also not affect arty RCW habitat.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat?
❑ Yes ® No
6b_ What data sources did you use to determine whether your site would impact Essential Fish Habitat?
http lAvww habitat noas.gov/proterbordelhlefhmapper.ndex html
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
❑ Yes © No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
North Carolina Department of Cultrxal Resources Stale Historic Preservation office
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain? ® Yes ❑ No
8b. If yes, explain how project meets FEMA requirements:
No material or structure added, no change In elevations.
8e. What source(s) did you use to make the floodplain determination?
NC Flood Maps
s� e etn CI-�co h
Applicant/Agent's Printed Name
Date
Ap icant/Agenfs Signature
(Agent's signature Is valid only if an authorization
letter from thea pplicant is provided.
Page 10 of 10

USACE Pre -Construction Notification — NWP 3
Duke Energy Carolinas, LLC
HF Lee Energy Complex Cooling Lake Make-up Water Intake Canal Dredging
Wayne County, NC
ATTACHMENTS
Attachment A
Figure 1
Site Location Map
Figure 2
USGS Topographic map
Figure 3
Aerial Photograph
Figure 4
Discharge Canal Cross Sections
Figure 5
Intake Canal Bench Repairs

Attachment A
HF Lee Energy Complex Cooling Lake Make-up Water Intake Canal Dredging Narrative
The Cooling Lake Make-up Water Intake Canal (intake canal) was constructed decades ago, and
Duke Energy Progress (DEP) has conducted maintenance dredging on an irregular, as -needed
basis over the years. The process has become relatively standardized, as the proposed work
has been reviewed by the Corps, NCDENR and other agencies multiple times, and shown to have
no discernible impact.
DEP proposes to conduct the maintenance dredging using a tracked hoe or dragline, operating
from high ground. Prior to excavation, a silt curtain will be temporarily installed between the work
area and the intersecting "bypass canal", to prevent any sediment from entering the bypass canal
or Neuse River. Dredging will be limited to the existing footprint of the canal, with no lateral or
vertical expansion of the canal dimensions. Typically, only relatively small amounts of sediment
are required to be removed to ensure proper intake pump operation. Because there are no
wetlands or wooded buffer adjacent to the canal (the area is maintained with a mowed grass
cover), there will be no impacts to those areas.
Excavated material will be transported to and disposed of on high ground, outside the buffer, and
no return water will be allowed to drain to the river or tributaries or wetlands. The disposal area
will include a low berm to contain the material until it dries. The area will be under an acre, so no
erosion control plan approval or pre/post-construction stormwater approval is required. DEP will,
however, stabilize the area will a temporary and permanent ground cover.
The project also includes the repair of eroded areas on the existing bench along the intake canal.
The bench repair will occur along an approximately 425' section of the bench on the east side of
the intake canal. Repair activities may include removal of material from the toe of the existing
slope, where the intake canal embankment meets the bench. This would restore the bench to a
width required for safe dump truck access. Rip rap and potentially additional soil would be moved
to accomplish this. ABC stone or other similar material will be added to the ramp and potentially
restore the eroded areas for equipment travel.

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.� Legend
arriec Study Area
foster
wheeler
Exi sti ng
rip -rap
Eastern slope rip rap
',-'.'at e I- ane
Canal Bottom
Bench
Figure 5 - Intake Canal Bench Repairs
Cooling Lake Make-up Water Intake Canal Dredging
HF Lee Energy Complex
Wayne County, NC
AMEC FW PROJECT NO: xxxx_xx-xxxx I FIGURE NO: 5
DUKE
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