20210101 Ver 1_ePCN Application_20210113

DWR
Division of Water Resources
Pre -Construction Notification (PCN) Form
October 26, 2020 Ver 3.3
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?*
C Yes IT No
Change only if needed.
BIMS # Assigned
20210101
Is a payment required for this project?*
r No payment required
r Fee received
r Fee needed - send electronic notification
Select Project Reviewer*
Chad Turlington:eads\ccturlington
Information for Initial Review
Version#*
1
Reviewing Office*
Fayetteville Regional Office - [phone]
1a. Name of project:
COURTESY COPY - EAP Repair Project (Duke Energy Project WSPN-123) Weatherspoon Plant
1a. Who is the Primary Contact?*
J. Elizabeth Glenn
1b. Primary Contact Email:* 1c. Primary Contact Phone:*
[e-mail] [phone]
Date Submitted
1/13/2021
Nearest Body of Water
Lumber River
Basin
Lumber
Water Classification
C, Sw
Site Coordinates
Latitude: Longitude:
34.583648-78.974386
A. Processing Information U
County (or Counties) where the project is located:
Robeson
Is this a NCDMS Project
r Yes IT No
Is this project a public transportation project?*
r Yes r No
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?*

r Yes
r No
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: 03 - Maintenance
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
r 401 Water Quality Certification - Regular
W Non-404 Jurisdictional General Permit
r Individual Permit
le. Is this notification solely for the record because written approval is not required?
For the record only for DWR401 Certification:
For the record only for Corps Permit:
F- 401 Water Quality Certification - E)press
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 r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
Acceptance Letter Attachment
1h. Is the project located in any of NC's twenty coastal counties?
r Yes r No
1j. Is the project located in a designated trout watershed?
O Yes r No
B. Applicant Information
1d. Who is applying for the permit?
r Owner W 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 Progress, LLC
2b. Deed book and page no.:
02170 and 0686
2c. Responsible party:
N/A
2d.Address
Street Address
400 S. Tryon Street
Address Line 2
30C
City
Charlotte
Fbstal / Zip Code
28202
2e. Telephone Number:
[phone]
State / Province / Region
NC
Country
USA
2f. Fax Number:
r Yes r No
r Yes r No

2g. Email Address:*
[e-mail]
3. Applicant Information (if different from owner)
3a. Name:
Elizabeth Glenn
3b. Business Name:
3c.Address
Street Address
526 S. Church Street
Address Line 2
ECI-13K
aty
Charlotte
Postal / Zip Code
28202
3d. Telephone Number:
[phone]
3f. Email Address:*
[e-mail]
State / Province / Iagion
NC
(buntry
USA
3e. Fax Number:
C. Project Information and Prior Project History U
1. Project Information
1b. Subdivision name:
(d appropriate)
1c. Nearest municipality/ town:
Lumberton
7-
2. Project Identification
2a. Property Identification Number:
2b. Property size:
Tax PIN 030074523000
903
2c. Project Address
Street Address
491 Power Plant Road
Address tine 2
City
State / Province / Region
Lumberton
NC
Postal / Zip Code
(buntry
28358
USA
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
Lumber River
3b. Water Resources Classification of nearest receiving water:*
C; Sw
3c. What river basin(s) is your project located in?*
Lumber
3d. Please provide the 12-digit HUC in which the project is located.
03040203
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:*
Project site is the sheet pile wall structure at the cooling pond that separates the Lumber River from the cooling pond. The coal powered Weatherspoon Steam Electric Plant was retired
in 2011. Residential and agricultural properties surround the Plant.
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

4d. Attach an 8 1/2 X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
WSPN Topo USGS.pdf
214.31 KB
4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
Soils Map WPSN.pdf 980.48KB
4f. List the total estimated acreage of all existing wetlands on the property:
402.9
4g. List the total estimated linear feet of all existing streams on the property:
24,743
4h. Explain the purpose of the proposed project:*
ATTN: Mickey Sugg
This project is an emergency repair effort for the undermining and voiding of the sheet pile structure separating the station's cooling pond from the Lumber River.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
This project is an emergency repair effort for the undermining and voiding of the sheet pile structure separating the station's cooling pond from the Lumber River. Three options have
been designed for external support of the sheet pile structure and filling of the wall voids. Cranes will be employed from the bank to lower material to the work locations. Turbidity
curtains to contain and sediment disturbed in open water, wattles to prevent deposition from the bank to the river, and other BMPs deemed appropriate to protect sensitive areas.
4j. Please upload project drawings for the proposed project.
WSPN-EAP Repair Project Rev B 01-11-2021.pdf 4.91 MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the propertyor proposed impact areas?*
r Yes r No O Unknown
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:
5d. List the dates of the Corp jurisdiction determination or State determination if a determination was made by the Corps or DWR
USACE site inspection conducted on April 6, 2016. John Policarpo and Thomas Charles (USAGE). The Notification of JD for the Weatherspoon Steam Electric Plant has not been issued
at this time.
5d1. Jurisdictional determination upload
6. Future Project Plans
6a. Is this a phased project?*
r Yes r No
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 project or 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
P Open Waters r Pond Construction
4.Open Water Impacts
4a. Site # 4a1. Impact Reason
4b. Impact type
4c. Name of wet, rbody
4d. Activity type
4e. Waterbody type
4f. Impact area
Cooling Pond
P
Lumber River
Stabilization
Other
0.08
4g. Total temporary open water Impacts: 4g. Total permanent open water impacts:
0.00 0.08

4g. Total open water impacts:
0.08
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:
Utilizing external support design prevents sheet pile structure failure.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
Repairs measures excluded dredging activities to place supports adjacent to the sheet pile wall and employed alternative designs to grout bag support
blocks.
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:
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
If no, explain why:
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:
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)
V
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
I 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.
Emergency repair project
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes r No r N/A

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
5d. Is another Federal agency involved?*
r Yes r No
5e. Is this a DOT project located within Division's 1-8?
r Yes f• 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
5i. 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?
Reviewed USFWS IPAC
Consultation Documentation Upload
NCNHP_ project _report _weatherspoon_cooling_basin_01.12.21 (002).pdf 991.2KB
USFWS IPaC Duke Weatherspoon_01.13.2021.pdf 121.24KB
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?*
NOAA Essential Fish Habitat Mapper and https://wvw.saw.usace.army.mil/Missions/Regulatory-Permit-Program/Agency-Coordination/Sustainable-
Fisheries/
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?*
Consulted the HPO Web Service (HPOWEB 2.0) maintained by the NCH PO, and the data inventory and library housed at the NCOSA, Raleigh
7c. Historic or Prehistoric Information Upload
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain?*
r Yes r No
8b. If yes, explain how project meets FEMA requirements:
The work associated with the repair will be be limited to the area noted in front of the sheet pile structure will not change any elevations of the
surrounding FEMA floodplain.
8c. What source(s) did you use to make the floodplain determination?*
FEMA map 3720030000KK, effective 12/06/2019.
Miscellaneous
Comments
Miscellaneous attachments not previously requested.
Signature u
*
W 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:
Jean Elizabeth Glenn
Signature
CY 6FA�I COYI.
Date
1/13/2021

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DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
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SITE VICINITY MAP - 1" = 2000'
MAP SOURCE: ESRI WORLD TOPOGRAPHIC BASEMAP
ROBESON COUNTY, NORTH r,.AROLINA
491 POWER PLANT ROAD, LUMBERTON, NC 28358
LAT: 34035'14.27"N, LONG: 78058'31.83"W
STATE DAM ID NO: ROBES-004 CLASS C -HIGH HAZARD
PREPARED FOR:
DUKE ENERGY PROGRESS, LLC
SITE VICINITY MAP - 1" = 200'
MAP SOURCE: ESRI WORLD TOPOGRAPHIC BASEMAP
SHEET LIST TABLE
SHEET NUMBER
SHEET TITLE
WSP
C904.004.001
COVER SHEET
WSP
C904.004.002
PROJECT NOTES
WSP
C904.004.003
EXISTING CONDITIONS
WSP_C904.004.004
EROSION AND SEDIMENT CONTROL PLAN
WSP_C904.004.005
PROPOSED REPAIRS
WSP
C904.004.006
SUBGRADE PLAN
WSP
C904.004.007
PROFILE
WSP
C904.004.008
PROPOSED TYPICAL REPAIR SECTIONS
WSP
C904.004.009
DETAILS
WSP
C904.004.010
NCG01 NOTES
B 01/11/2021 7812-20-0575 CIVIL
A 12/31/2020 7812-20-0575 CIVIL
REV DATE JOB NO. PROJECT TYPE
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CONTACT INFORMATION
DARE
OWNER:
DUKE ENERGY PROGRESS, LLC
ENGINEERING FIRM:
WOOD
ADDRESS:
491 POWER PLANT ROAD
ADDRESS:
5710 OLEANDER DRIVE,
LUMBERTON, NC 28358
WILMINGTON, NC 28403
CONTACT:
TIM RUSSELL
ENGINEER OF RECORD:
CHRISTOPHER T. KEENAN, PE
PHONE:
[phone]
PHONE:
[phone]
EMAIL:
[e-mail]
EMAIL:
[e-mail]
TITLE
EAP SCOUR REPAIR
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
7
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
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DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
COVER SHEET
FOR
ISSUED FOR PERMIT
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SCALE: AS SHOWN
DES:
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DWG TYPE: DWG
DFTR:
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JOB NO:575
CHKD:
NB
DATE 01/111/2021
ENGR:
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FILENAME:
WSP_C904.004.001 COVER SHEET
APPD:
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DWG SIZE
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REVISION
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PROJECT DESCRIPTION:
THE WSPN-130 PROJECT INTENT IS TO REPAIR THE SCOUR / UNDERMINING UNDER THE
RIVER SIDE FACING SHEET PILE WALL, AND DISCRETE AREAS OF VOIDS OBSERVED
BETWEEN THE RIVER SIDE AND BASIN SIDE SHEET PILE SECTIONS, AS WELL AS TO
RE-ESTABLISH LATERAL CONFINEMENT FOR THE SHEETPILE WALL THROUGH THE
CONSTRUCTION OF A BUTTRESS ON THE RIVER SIDE OF THE ALL TO REPLACE RIVER
SEDIMENTS THAT HAVE ERODED SINCE THE CONSTRUCTION OF THE SHEET PILE WALL
BACKGROUND:
THE DECOMMISSIONED W.H. WEATHERSPOON STEAM STATION IS LOCATED IN ROBESON
COUNTY ABOUT ONE MILE SOUTHEAST OF LUMBERTON, NORTH CAROLINA, ADJACENT TO
(EAST OF) THE LUMBER RIVER. THE COAL-FIRED UNITS HAVE BEEN DEMOLISHED AND THE
DEMOLITION AREA HAS SINCE BEEN STABILIZED WITH VEGETATION.
THERE IS ONE COOLING POND (WEATHERSPOON PLANT COOLING LAKE DAM - ROBES-004)
LOCATED ON THE PLANT SITE. THE COOLING POND DIKE WAS DESIGNED BY EBASCO
SERVICES, INC. AND WAS ORIGINALLY CONSTRUCTED IN 1955. IN ITS CURRENT
CONFIGURATION, THE COOLING POND FEATURES INCLUDE A DISCHARGE CANAL,
IMPOUNDMENT, INTERNAL BAFFLE, DIVERSION DIKES, AND THE PLANT INTAKE STRUCTURE.
THE COOLING LAKE INTAKE STRUCTURE WALL WAS CONSTRUCTED AS A MODIFICATION TO
THE COOLING POND IN 1971. THE INTAKE STRUCTURE WALL CONSISTS OF TWO ROWS OF
DRIVEN, STEEL SHEET PILES THAT ARE INFILLED WITH SEVERAL LAYERS OF MATERIAL. AT
SELECT LOCATIONS, THE UPPER 4 TO 5 FEET OF MATERIAL BETWEEN THE SHEET PILE
WALLS IS BACKFILLED WITH A MATERIAL DEFINED AS STONE / SOIL / UNKNOWN BACKFILL.
AS PART OF A SEPARATE PROJECT (WSPN-123) TO REPLACE THE UPPER LAYER OF
UNKNOWN BACKFILL AND REPLACE THE ORIGINAL WALERS AND TIE RODS, A CONTRACTOR
FOR DUKE ENERGY IDENTIFIED SEVERAL AREAS OF SCOUR AND UNDERMINING ALONG THE
RIVER SIDE SHEET PILE OF THE REFERENCED DAM. IN ADDITION, IN TWO DISCRETE
LOCATIONS TO CONTRACTOR ALSO OBSERVED VOIDS BETWEEN THE RIVER SIDE AND
BASIN SIDE ROWS OF SHEET PILES. IT WAS ALSO OBSERVED AT THIS TIME THAT THE
RIVER SIDE SHEET PILE WALL NO LONGER HAD PROPER EMBEDMENT DUE TO SCOUR OF
THE RIVER SEDIMENTS ALONG A SECTION OF THE RIVER SIDE SHEET PILE WALL.
AS PART OF THE RESPONSE TO THE IDENTIFIED CONCERNS WITH UNDERMINING / SCOUR
AND VOIDS, DUKE ENERGY HAS REQUESTED THAT WOOD PREPARE A PLAN TO BACKFILL
THE VOIDS AND UNDERMINED SHEET PILE, AS WELL AS TO RE-ESTABLISH PROPER
EMBEDMENT OF THE RIVER SIDE SHEET PILES THROUGH CONSTRUCION OF A BUTTRESS.
IN ADDITION TO THE WORK IN THE RIVER TO REPAIR THE SHEET PILE WALL, A SETION OF
THE NORTEHRN RIVER BANK ADJACENT TO THE FORMER POWER PLANT WILL NEED TO BE
CLEARED TO FACILITATE CRANE ACCESS AND WORK AREA. THE AREA WILL BE CLEARED
OF TREES AND TALL VEEETATION, HOWEVER STRIPPING AND GRUBBING ARE NOT
REQUIRED AT THIS TIME.
EROSION AND SEDIMENTATION CONTROL NARRATIVE:
THE EROSION AND SEDIMENT CONTROL MEASURES FOR THIS PROJECT INVOLVE THE
PLACEMENT OF A VARIETY OF EROSION AND SEDIMENT CONTROL DEVICES AT STRATEGIC
LOCATIONS THROUGHOUT THE AREA. THESE MEASURES INCLUDE:
1. TURBIDITY CURTAIN
2. COMPOST SOCK
3. TEMPORARY/PERMANENT SEEDING
THESE DEVICES ARE TO BE INSTALLED PRIOR TO ANY DISTURBANCE. ADDITIONAL
CONTROL DEVICES MAY BE REQUIRED DURING WORK IN ORDER TO CONTROL EROSION
AND/OR OFFSITE SEDIMENTATION.
GENERAL EROSION CONTROL NOTES:
1. ALL EROSION CONTROL DEVICES SHALL BE PROPERLY MAINTAINED DURING WORK
UNTIL THE COMPLETION OF ACTIVITIES AND DISTURBED AREAS HAVE BEEN
STABILIZED. TEMPORARY EROSION CONTROL DEVICES SHALL BE REMOVED ONCE
WORK IS COMPLETE AND THE SITE IS STABILIZED.
2. SEDIMENT AND EROSION CONTROL DEVICES AND PLANTED AREAS SHALL BE
INSPECTED BY DUKE ENERGY OR THEIR REPRESENTATIVE EVERY SEVEN (7)
CALENDAR DAYS AND AFTER EACH RAINFALL OCCURRENCE THAT EXCEEDS ONE (1)
INCH IN A 24-HOUR PERIOD. DAMAGED OR INEFFECTIVE DEVICES SHALL BE REPAIRED
OR REPLACED, AS NECESSARY, AS SOON AS PRACTICAL.
3. SEEDED AREAS SHALL BE FERTILIZED, RESEEDED AS NECESSARY AND MULCHED
ACCORDING TO THE SEEDING PLAN TO MAINTAIN A VIGOROUS, DENSE VEGETATIVE
COVER. SEEDED AREAS SHALL BE INSPECTED PERIODICALLY BY DUKE ENERGY UNTIL
FINAL GROUND COVER HAS BEEN ESTABLISHED. THE CONTRACTOR IS RESPONSIBLE
FOR RESTORING VEGETATION TO ITS ORIGINAL CONDITION, OR BETTER, FOR UP TO A
YEAR. SEEDING SHALL BE CONSISTENT WITH REQUIREMENTS OF THE VEGETATION
MAINTENANCE AND IMPLEMENTATION PLAN (VMIP) FOR WEATHERSPOON ENERGY
COMPLEX.
4. THE OWNER OR THEIR AGENT SHALL ADHERE TO THE SELF -INSPECTION PROGRAM
FOR EROSION AND SEDIMENT CONTROL (EFFECTIVE OCTOBER 1, 2010). DETAILS OF
THE PROGRAM AND RECOMMENDED INSPECTION FORMS CAN BE FOUND AT THE
FOLLOWING WEBSITE:
HTTPS://DEQ.NC.GOV/ABOUT/DIVISIONS/EN ERGY-MI NERAL-LAND-RESOURCES/
EROSION-SEDIME NT-CONTROL/FORMS
5. THE CONTRACTOR IS RESPONSIBLE FOR NOTIFYING UTILITY COMPANIES TO LOCATE
ALL UNDERGROUND UTILITIES PRIOR TO ANY DISTURBANCE.
STANDARDS:
ALL EROSION AND SEDIMENTATION CONTROLS SHALL BE IN ACCORDANCE WITH THE
NORTH CAROLINA SEDIMENTATION POLLUTION CONTROL ACT OF 1973. CONSTRUCTION
DETAILS AND SPECIFICATIONS WITHIN THIS PLAN WERE DERIVED FROM THE EROSION AND
SEDIMENT CONTROL PLANNING AND DESIGN MANUAL DATED MAY, 2013, PREPARED BY THE
NORTH CAROLINA SEDIMENTATION CONTROL COMMISSION, NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY (NCDEQ) AND NORTH CAROLINA
AGRICULTURAL EXTENSION SERVICE (NCAES).
CONSTRUCTION SEQUENCE FOR EROSION CONTROL:
PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN ANY PROJECT AREA THE
CONTRACTOR SHALL COMPLETE THE FOLLOWING:
1. THE CONTRACTOR SHALL LOCATE AND VERIFY ALL UNDERGROUND UTILITIES PRIOR
TO COMMENCEMENT TO ANY LAND DISTURBANCE. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR REPAIR OR REPLACEMENT OF ANY UTILITIES, CABLES, PIPES, OR
OTHER UNDERGROUND CONVEYANCES SCHEDULED TO REMAIN THAT ARE
DESTROYED OR DAMAGED BY THE CONTRACTOR, INCLUDING ANY SUBCONTRACTORS,
DURING THE PROJECT.
2. THE CONTRACTOR SHALL CLEARLY DEMARCATE THE LIMITS OF DISTURBANCE. THE
LIMITS SHALL BE CLEARLY AND ACCURATELY DEMARCATED WITH STAKES, RIBBONS,
OR OTHER APPROPRIATE VISUAL MARKING DEVICES. THE LIMITS OF DISTURBANCE
SHALL BE MAINTAINED FOR THE DURATION OF THE PROJECT. NO LAND DISTURBANCE
SHALL OCCUR OUTSIDE THE APPROVED LIMITS OF DISTURBANCE INDICATED ON THE
DRAWINGS WITHOUT APPROVAL BY THE OWNER
PERIMETER CONTROLS:
1. CONTRACTOR MOBILIZATION TO SITE.
2. HOLD PRE -CONSTRUCTION MEETING WITH THE OWNER, ENGINEER OF RECORD, AND
ALL CONTRACTORS AND SUBCONTRACTORS INVOLVED WITH LAND DISTURBANCE.
3. DEMARCATE LIMITS OF DISTURBANCE.
4. INSTALL EROSION CONTROL MEASURES ALONG PERIMETER OF DISTURBANCE LIMITS,
CLEARING MINIMUM AREA REQUIRED TO DO SO.
FINAL GRADING AND STABILIZATION:
1. STABILIZE ANY DISTURBED AREAS WITH PERMANENT VEGETATION PER THE SEEDING
SPECIFICATIONS.
2. TEMPORARY SEDIMENT CONTROL MEASURES SHALL NOT BE REMOVED UNTIL AREAS
HAVE BEEN STABILIZED AND APPROVED BY OWNER AND EOR.
3. DECOMMISSION PERIMETER EROSION AND SEDIMENT CONTROL MEASURES
FOLLOWING APPROVAL BY OWNER AND NCDEQ.
4. CONTRACTOR DEMOBILIZATION FROM SITE.
PROJECT GENERAL NOTES:
1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE FEDERAL,
STATE, AND LOCAL RULES AND REGULATIONS.
2. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING, UNDERSTANDING, AND
ENFORCING ALL SITE SPECIFIC ENVIRONMENTAL, HEALTH, AND SAFETY POLICIES OF
DUKE ENERGY PROGRESS, LLC., AT ALL TIMES. THE CONTRACTOR SHALL AT ALL TIMES
DURING CONSTRUCTION, PROTECT FROM DAMAGE EXISTING IMPROVEMENTS ON AND
AROUND THE SITE, INCLUDING, BUT NOT LIMITED TO, ASPHALT PAVEMENTS, SIGNAGE,
SANITARY SEWERS, WATER MAINS, OVERHEAD POWER LINES AND OTHER UTILITIES
WITHIN THE PROJECT AREA. CONTRACTOR SHALL AVOID GOING OUTSIDE THE
CONSTRUCTION LIMITS SO AS TO MINIMIZE DISTURBANCE OF EXISTING VEGETATION.
3. THE CONTRACTOR SHOULD PLAN ALL WORK ACTIVITIES RECOGNIZING THE
ENVIRONMENTAL SENSITIVITY OF THE WORK AREA. THE CONTRACTOR SHOULD
RECOGNIZE THE IMPORTANCE OF MAINTAINING A CLEAN WORK AREA, AS WELL AS
PROTECTION OF WETLANDS, JURISDICTIONAL WATERS, OR OTHER BODIES OF WATER.
4. PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL FIELD VERIFY THE
SITE CONDITIONS AND SITE LAYOUT. IF DISCREPANCIES BETWEEN THE DRAWINGS
AND FIELD CONDITIONS EXIST, THE CONTRACTOR SHALL PROMPTLY NOTIFY THE
OWNER SO THAT ANY CONFLICT OF DIFFERING SITE CONDITIONS CAN BE RESOLVED.
5. CONTRACTOR TO NOTE THAT THE WORK FOR RELATED PROJECT WSPN-123 IS
INCOMPLETE AT THIS TIME. THEREFORE THE TOP OF THE EXISTING SHEETP[ILE
STRUCTURE IS NOT LEVEL AND IS NOT ACCESSIBLE TO MOST CONSTRUCTION
EQUIPMENT. IN ADDITION, DUE TO THE NATURE OF THE OBSERVED VOIDS AND
UNDERMINING, THE CONTRACTOR SHOULD NOT PLAN TO ACCESS THE WORK AREA
FROM THE TOP OF THE EXISTING STRUCTURE AT THIS TIME WHEN PLANNING OR
PERFORMING THIS SCOPE OF WORK.
6. CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING ALL APPROPRIATE UTILITIES
AND ENSURING THAT UTILITIES ARE LOCATED PRIOR TO THE COMMENCEMENT OF
WORK ACTIVITIES. CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING LOCATION
AND DEPTHS OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION.
7. THE OWNER RESERVES THE RIGHT TO PERFORM QUALITY ASSURANCE TESTING AT
HIS/HER DISCRETION IN ACCORDANCE WITH THE PROJECT SPECIFICATIONS. THE
CONTRACTOR WILL BE REQUIRED TO PERFORM QUALITY CONTROL TESTING PER THE
PROJECT SPECIFICATIONS.
8. AT NO TIME SHALL CONSTRUCTION DEBRIS OR MATERIALS, OR SEDIMENT BE ALLOWED
TO ENTER WETLANDS, JURISDICTIONAL WATERS, OR OTHER BODIES OF WATER SUCH
AS STREAMS, RIVERS, OR LAKES UNLESS SPECIFICALLY REQUIRED TO DO SO AS PART
OF THIS ENGINEERED REPAIR PLAN. THE CONTRACTOR SHALL TAKE ALL NECESSARY
MEASURES TO PREVENT DEBRIS, MATERIALS, OR SEDIMENT FROM BEING INTRODUCED
INTO THESE AREAS.
9. THE CONTRACTOR SHALL PROTECT ALL MONUMENTS, IRON PINS, AND PROPERTY
CORNERS DURING CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR
REPLACEMENT OF ANY PROPERTY MARKERS DISTURBED DURING CONSTRUCTION.
10. STOCK PILES SHALL BE LOCATED UP -GRADIENT OF EROSION AND SEDIMENT CONTROL
FEATURES. ALL STOCK PILES SHALL HAVE SILT FENCE OR COMPOST STOCK
INSTALLED ON THE DOWN -GRADIENT SIDE OF THE STOCK PILE.
11. THE CONTRACTOR SHALL ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB
SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THIS PROJECT,
INCLUDING SAFETY OF ALL PERSONS AND PROPERTY; THIS REQUIREMENT SHALL
APPLY CONTINUOUSLY AND IS NOT LIMITED TO NORMAL WORKING HOURS.
12. THE CONTRACTOR SHALL MAINTAIN AN ON -GOING DUST CONTROL PROGRAM,
INCLUDING WATERING OF DISTURBED AREAS AS NEEDED, IN ORDER TO CONFORM
WITH THE LATEST STATE AND FEDERAL AIR POLLUTION REGULATIONS.
13. WORK SHALL NOT COMMENCE UNTIL ALL REQUIRED PERMITS ARE OBTAINED. THE
CONTRACTOR SHALL VERIFY WITH THE PROJECT OWNER THAT ALL REQUIRED
PERMITS HAVE BEEN RECEIVED PRIOR TO THE START OF CONSTRUCTION.
14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE DAILY REMOVAL OF ALL
CONSTRUCTION MATERIALS SPILLED ON PAVED STREETS, ONSITE AND OFFSITE.
15. THE CONTRACTOR SHALL PURSUE THE WORK IN A CONTINUOUS AND DILIGENT
MANNER, CONFORMING TO ALL THE PERTINENT SAFETY REGULATIONS, TO INSURE A
TIMELY COMPLETION OF THE PROJECT.
16. THE CONTRACTOR SHALL ASSUME SOLE RESPONSIBILITY FOR THE REPAIR OF ANY
IMPROVEMENTS (EXISTING OR PROPOSED) DAMAGED THROUGHOUT THE COURSE OF
CONSTRUCTION.
17. ATTENTION IS DRAWN TO THE FACT THAT THE SCALE OF THESE DRAWINGS MAY HAVE
BEEN DISTORTED DURING THE REPRODUCTION PROCESS.
SLOPE STABILITY NOTES:
1. DURING CONSTRUCTION, ALL TEMPORARY EXCAVATION SLOPES SHALL BE INSPECTED
AT A MINIMUM ON A DAILY BASIS FOR SIGNS OF DISTRESS AND/OR INSTABILITY,
INCLUDING SLOUGHING, TENSION CRACKS, OR OTHER INDICATIONS THAT SLOPE
MOVEMENTS MAY BE OCCURRING. IF SIGNS OF POTENTIAL SLOPE INSTABILITY ARE
OBSERVED, THE CONTRACTOR SHALL PERFORM REMEDIAL ACTION TO STABILIZE THE
SLOPE.
2. ALL TRENCHES AND/OR APPLICABLE TEMPORARY EXCAVATION SLOPES SHALL BE
DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH ALL APPLICABLE FEDERAL,
STATE, AND LOCAL REGULATIONS. DESIGN OF SHORING, BRACING, AND TEMPORARY
EXCAVATION SUPPORTS SHALL BE DESIGNED AND SEALED BY A QUALIFIED ENGINEER
LICENSED IN THE STATE OF NORTH CAROLINA. SEALED DESIGN PLANS SHALL BE
PROVIDED TO THE OWNER FOR REVIEW AND ACCEPTANCE PRIOR TO COMMENCEMENT
OF RELEVANT WORK.
GRADING AND DRAINAGE NOTES:
1. CONTRACTOR IS TO FIELD VERIFY ALL UTILITIES PRIOR TO CONSTRUCTION ACTIVITIES.
ALL UTILITIES MAY NOT BE SHOWN IN THESE PLANS AND THEREFORE, THE
CONTRACTOR SHALL NOT ASSUME COMPLETENESS OF PROVIDED EXISTING
CONDITIONS PLAN.
2. THE CONTRACTOR SHALL ADHERE TO ALL TERMS AND CONDITIONS AS OUTLINED IN
THE GENERAL NORTH CAROLINA N.P.D.E.S. PERMIT FOR STORMWATER DISCHARGE
ASSOCIATED WITH CONSTRUCTION ACTIVITIES.
3. CONTRACTOR SHALL SEED AND MAINTAIN DISTURBED AREAS ACCORDING TO THE
PERMANENT SEEDING SCHEDULE PROVIDED UNTIL A HEALTHY STAND OF PERMANENT
GRASS IS SUSTAINED.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION AND PROTECTION OF
EXISTING UTILITIES TO REMAIN, AND SHALL REPAIR ALL DAMAGE TO EXISTING
UTILITIES TO REMAIN THAT OCCUR DURING CONSTRUCTION.
5. CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY TO TRANSITION TO
EXISTING GRADE.
6. THE CONTRACTOR IS RESPONSIBLE FOR COMPLIANCE WITH O.S.H.A., FEDERAL, STATE,
AND LOCAL REGULATIONS.
7. GRADES, ELEVATIONS, AND LOCATIONS SHOWN ARE APPROXIMATE AND, WITH
APPROVAL OF THE CIVIL ENGINEER, THEY MAY BE ADJUSTED TO ACCOMMODATE
UNFORESEEN CONDITIONS.
SPECIFICATIONS:
1. THE WORK SHALL BE CONDUCTED IN ACCORDANCE WITH THESE DRAWINGS.
2. IF THERE IS ANY CONFLICT BETWEEN AGENCIES, PLANS, ETC., THE MOST STRINGENT
CRITERIA WILL APPLY.
3. IF THERE IS ANY CONFLICT BETWEEN PLANS AND REFERENCED SPECIFICATIONS, THE
PLANS GOVERN.
4. DESIGN PACKAGE INCLUDES PROJECT SPECIFICATIONS "DUKE ENERGY ISSUE NO.
WSPN-130 COOLING BASIN - SHEET PILE WALL SCOUR REPAIR" DATED JANUARY 11,
2021 AND PREPARED BY WOOD.
LIST OF REQUIRED CONSTRUCTION SUBMITTALS:
WITH BID
1. CONSTRUCTION SCHEDULE.
2. CONTRACTOR QUALIFICATIONS
3. SUBCONTRACTOR QUALIFICATIONS FOR ANY MAJOR PORTION OF THE WORK TO BE
SUBCONTRACTED.
4. WORK PLAN - INCLUDING SITE ACCESS, EQUIPMENT, STAGING LOCATIONS, WORK
SEQUENCING.
BEFORE MOBILIZATION
5. HEALTH AND SAFETY PLAN
BEFORE MATERIAL INSTALLATION
6. MIX DESIGN FOR GROUT BACKFILL
7. GRADATIONS FOR AGGREGATES
8. SHOP DRAWINGS / MANUFACTURER INFORMATION FOR GABION BASKETS (IF UTILIZED)
9. GABION BASKET LAYOUT PLAN AND INSTALLATION PROCEDURES FOR REVIEW BY THE
PROJECT ENGINEER AND OWNER.
10. BIN BLOCK SHOP DRAWINGS (IF UTILIZED)
11. BIN BLOCK LAYOUT AND INSTALLATION PROCEDURES FOR REVIEW BY THE PROJECT
ENGINEER AND OWNER.
12. GROUTING PLAN
13. LIST OF ALL EQUIPMENT, INCLUDING MAKE AND MODEL, TO BE USED IN INSTALLATION
OF GABIONS AND/OR BIN BLOCKS.
B 01/11/2021 7812-20-0575
A 12/31/2020 7812-20-0575
REV DATE JOB NO.
CIVIL
CIVIL
PROJECT TYPE
I
6
SM BC NB CK CK
BC BC NB CK CK
DES DFTR CHKD ENGR APPD
REFERENCES:
1. EXISTING HYDROGRAPHIC SURVEY PROVIDED BY MCKIM & CREED DATED 12/18/2020.
2. AERIAL IMAGERY SOURCE: NC ONEMAP GEOSPATIAL PORTAL (2020). NORTH CAROLINA
DEPARTMENT OF INFORMATION TECHNOLOGY, GOVERNMENT DATA ANALYTICS
CENTER, CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
HTTPS://WWW. NCON E MAP.GOV
3. CAROLINA POWER & LIGHT COMPANY WEATHERSPOON "CIRCULATING WATER SYSTEM
MODIFICATION, CANAL CLOSURE DIKE SHT. PILING SH-1" DRAWING NO. G-505104,
PREPARED BY EBASCO SERVICES INCORPORATED NEW YORK AND DATED 11/30/1971.
4. CAROLINA POWER & LIGHT COMPANY WEATHERSPOON "CIRCULATING WATER SYSTEM
MODIFICATION, CANAL CLOSURE DIKE SHT. PILING SH-2" DRAWING NO. G-505105,
PREPARED BY EBASCO SERVICES INCORPORATED NEW YORK AND DATED 1/24/1972.
5. DETAIL 1 ON SHEET WSP_C904.004.009: DIMENSIONS OF VOID ARE BASED ON DIVE
INSPECTION REPORT COMPLETED BY MAINSTREAM COMMERCIAL DIVERS, INC. ON
APRIL 21, 2017.
6. DETAIL 2 ON SHEET WSP_C904.004.009: POTENTIAL SCOUR ELEVATION VIEW AND
APPROXIMATE SCOUR DIMENSION TABLE SHOWN ON THIS SHEET PROVIDED BY GLENN
INDUSTRIAL GROUP, LLC FOR DUKE ENERGY ON DECEMBER 18, 2020.
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
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TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
PROJECT NOTES
FOR
ISSUED FOR PERMIT
DUKE SCALE: AS SHOWN
DWG TYPE: DWG
JOB
ENER GYO DATE: 001/111/2021 575
FILENAME: WSP_C904.004.002 PROJECT NOTES
DWG SIZE DRAWING NO.
ANSI D 22"x34" WS P C904.004.002
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DFTR: BC
CHKD: NB
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APPD: CK
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:7=110=11:7=110[yNK
1. EXISTING HYDROGRAPHIC SURVEY PROVIDED BY MCKIM & CREED DATED 12/18/2020.
2. AERIAL IMAGERY SOURCE: NC ONEMAP GEOSPATIAL PORTAL (2020). NORTH CAROLINA DEPARTMENT OF INFORMATION
TECHNOLOGY, GOVERNMENT DATA ANALYTICS CENTER, CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
HTTPS://WWW. NCON E MAP.GOV
HORIZONTAL CONTROL: NORTH AMERICAN DATUM 1983 (NAD83) - NORTH
CAROLINA STATE PLAN COORDINATE SYSTEM
VERTICAL CONTROL: NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88)
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A 12/31/2020 7812-20-0575
REV DATE JOB NO.
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
CIVIL SM BC NB CK CK
CIVIL BC BC NB CK CK
PROJECT TYPE DES DFTR CHKD ENGR APPD
6 7
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
LEGEND
MAJOR CONTOURS
MINOR CONTOURS
SHEETPILE LOCATION
SCOUR AREA
------------
100-YRFLOODPLAIN
------
FLOODWAY
TITLE EAP SCOUR REPAIR
wood.
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
Environment & Infrastructure Solutions ROBESON COUNTY, NORTH CAROLINA
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403 EXISTING CONDITIONS
TEL: [phone]
FAX: [phone] FOR
LICENSURE:
NC ENG: F-1253 ISSUED FOR PERMIT
NC GEOLOGY: C-247
SEAL
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SCALE: AS SHOWN
DES: SM
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CHKD: NB
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DATE: 01/11/2021
ENGR: CK
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WSP_C904.004.003 EXISTING
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4.004.004 IREv. B
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COMPOST SOCK
(PYRAMID INSTALLATION)
'PROXIMATE LIMITS OF
tEE REMOVAL - SEE NOTES
RIVER SIDE
I I `�./ f�
0,0
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HOLDING POND 100 j
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TURBIDITY CURTAIN 3
\ (TERMINATE BOTH SIDES .004
AT RIVER EDGE)
°j SHEETPILE LOCATION
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\ COOLING POND /
EROSION AND SEDIMENT CONTROL PLAN
SCALE: NOT TO SCALE
20 0 20 40 FT
NOTES
1. TREE REMOVAL SHOWN SHALL BE TO ALLOW BOOM CLEARANCE FOR CRANE. NO GROUND DISTURBANCE IS PERMITTED
WITHOUT ADDITIONAL STABILIZATION.
2. TEMPORARY STAGING OF MATERIALS FOR CONSTRUCTION SHALL BE LIMITED TO AREAS STABILIZED IN ACCORDANCE
WITH SPECIFICATION SECTION 31 35 20.
3. COMPOST SOCK PLACEMENT IS SHOWN SCHEMATICALLY, PLACE SOCK ALONG DOWNSTREAM LIMIT OF TREE CLEARING.
:7=10=11:7=110[yNK
1. EXISTING HYDROGRAPHIC SURVEY PROVIDED BY MCKIM & CREED DATED 12/18/2020.
2. AERIAL IMAGERY SOURCE: NC ONEMAP GEOSPATIAL PORTAL (2020). NORTH CAROLINA DEPARTMENT OF INFORMATION
TECHNOLOGY, GOVERNMENT DATA ANALYTICS CENTER, CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
HTTPS://WWW. NCON E MAP.GOV
HORIZONTAL CONTROL: NORTH AMERICAN DATUM 1983 (NAD83) - NORTH
CAROLINA STATE PLAN COORDINATE SYSTEM
6" SQUARE EXPANDED
POLYSTYRENE FLOTATION
GROMMETS 12" O.C.
AND LACED TOGETHER
WITH TIES
18 OZ
REINFORCED
VINYL
H.(
ST
18" DIAMETER
COMPOST SOCK
CHECK DAM
TWO (2) 2" X 2" X 36" WOODE
STAKES PLACED 5' O.(
2:1 MAX
TWO (2) 2" X 2" X 36" WOODEN
STAKES PLACED 10' O.C.
GENERAL NOTES:
`OCK MATERIAL TO BE DRAWN IN
DFF TO STAKE AT BOTH ENDS
FLOW
MAX WATER LEVEL
4" MINIMUM FREEBOARD
18" DIAMETER
COMPOST SOCK
V
SINGLE INSTALLATION SECTION
1. COMPOST SOCKS SHALL BE INSTALLED AS SHOWN ON THE
DRAWINGS. ADDITIONAL COMPOST SOCKS SHALL BE
INSTALLED AS NEEDED BASED ON FIELD CONDITIONS.
2. ADJOINING SECTIONS OF THE COMPOST SOCKS SHALL BE
OVERLAPPED A MINIMUM 18 INCHES AND STAKED AT THE
OVERLAP.
3. IN AREAS OF DIFFICULT SILT FENCE INSTALLATION AND
ONLY WITH THE APPROVAL OF THE ENGINEER, COMPOST
FILTER SOCK MAY BE SUBSTITUTED FOR SILT FENCE.
STANDARD ANCHOR SYSTEM
BOLTROPE REINFORCED CHAIN BALLAST
TYPE I ELASTEC SILTMAX TURBIDITY CURTAIN
TURBIDITY CURTAIN DETAIL
SCALE: NOT TO SCALE
B 01/11/2021 7812-20-0575 CIVIL
VERTICAL CONTROL: NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88) A 12/31/2020 7812-20-0575 CIVIL
REV DATE JOB NO. PROJECT TYPE
INCHES 1 2 3 TENTHS 10 20 30 4 5 6
—ATION
BALLAST
SM BC NB CK CK
BC BC NB CK CK
DES DFTR CHKD ENGR APPD
LEGEND
EXISTING MAJOR CONTOURS
EXISTING MINOR CONTOURS
PROPOSED TURBIDITY CURTAIN
EXISTING SHEETPILE LOCATION
CS CS
PROPOSED COMPOST SOCK
8888M
APPROXIMATE LIMITS OF TREE
REMOVAL
------------
100-YRFLOODPLAIN
------
FLOODWAY
UNDISTURBED AREA
r
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INSPECTION AND MAINTENANCE NOTES:
1. ALL EROSION AND SEDIMENTATION CONTROL DEVICES AND PLANTED
AREAS SHALL BE INSPECTED EVERY SEVEN (7) CALENDAR DAYS AND
AFTER EACH RAINFALL OCCURRENCE THAT EXCEEDS ONE (1) INCH
WITHIN A 24-HOUR PERIOD. DAMAGED OR INEFFECTIVE DEVICES
SHALL BE REPAIRED OR REPLACED, AS NECESSARY, AS SOON AS
PRACTICAL.
2. REMOVE ACCUMULATED SEDIMENT WHEN IT REACHES 1/3 THE HEIGHT
OF THE DEVICE.
3. REMOVED SEDIMENT SHALL BE PLACED IN STOCKPILE STORAGE
AREAS OR SPREAD THINLY ACROSS DISTURBED AREA. STABILIZE THE
REMOVED SEDIMENT AFTER IT IS RELOCATED.
4. REMOVE TEMPORARY E&SC MEASURES UPON STABILIZATION OF THE
TRIBUTARY DRAINAGE AREA. REMOVE ALL CONSTRUCTION MATERIAL
AND SEDIMENT, AND DISPOSE OF THEM PROPERLY. COMPOST SOCKS
MAY BE ABANDONED BY CUTTING THE SOCK MATERIAL AND
SPREADING THE COMPOST IN -PLACE. GRADE THE DISTURBED AREA
TO DRAIN AND STABILIZE ACCORDINGLY.
COMPOST SOCK DETAIL
SCALE: NOT TO SCALE
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
7
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
SEAL
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POINTED UPHILL TO PREVENT
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12" DIAMETER
COMPOST SOCK
THREE (3) 2" X 2" X 36" WOODEN STAKES
PLACED 10' O.C.
5' AT LOW END OF DEVICE
POINTED DOWNHILL TO
PREVENT PONDING
MAX WATER LEVEL
r 4" MINIMUM FREEBOARD
12" DIAMETER
COMPOST SOCK
THREE (3) 2" X 2" X 36"
WOODEN STAKES
PLACED 10' O.C.
PYRAMID INSTALLATION SECTION
TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
EROSION AND SEDIMENT CONTROL PLAN
FOR
ISSUED FOR PERMIT
DUKE
ENERC4.3Y®
SCALE: AS SHOWN
DES:
SM
DWG TYPE: DWG
DFTR:
BC
JOB 575
CHKD:
NB
DATTE:001/111/2021
ENGR:
CK
FILENAME:
WSP_C904.004.004 E&SC
APPD:
CK
DWG SIZE
DRAWING NO.
REVISION
ANSI D
22"x34"
WSP C904.004.004
B
9
10
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4.004.005 IREv. B
F
UNDERMINING & VOIDS AT
PUMP STRUCTURE SHEET PILE BASE
\
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RIVERSIDE
.009
BOTTOM LAYER OF GABION BASKETS SHOWN - SUBSEQUENT / 1
LAYERING SHALL BE PER PROFILE 1/007
AND CONTRACTOR MEANS AND METHODS
2
\UNDERMINING & VOIDS AT SHEET PILE BASE
.009
APPROXIMATE EXTENT OF REPAIR
(APPROXIMATE AREA OF IMPACT = 0.08 ACRES)
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PROPOSED RE AP -
GABION BASKET (OPTION T)- .008 18
-SEE NOTE 1 & 2
APPROXIMATE EXTI�NT OF REPAIR
(END AT TIE ROD 13�(
1
\ 1
1
COOLING POND
1 PROPOSED REPAIRS
QO 5 SCALE: NOT TO SCALE
20 0 20 40 FT
1. SEE SUBGRADE PLAN ON SHEET WSP_C904.004.006 FOR MORE DETAILS.
2. FOOTPRINT SHOWN FOR PROPOSED REPAIR - GABION BASKET (OPTION 1). SEE PROPOSED REPAIR GABION BASKET
(OPTION 2) AND BIN BLOCK (OPTION 3) ON SHEET WSP_C904.004.008 FOR ALTERNATIVE REPAIR METHODS.
3. CONSTRUCT GABION BASKET REPAIR PER SPECIFICATION SECTION 31 36 00. BASKET LENGTH VARIES PER PLAN (3-FT,
6-FT, 9-FT OR 12-FT).
REFERENCES:
1. EXISTING HYDROGRAPHIC SURVEY PROVIDED BY MCKIM & CREED DATED 12/18/2020.
2. AERIAL IMAGERY SOURCE: NC ONEMAP GEOSPATIAL PORTAL (2020). NORTH CAROLINA DEPARTMENT OF INFORMATION
TECHNOLOGY, GOVERNMENT DATA ANALYTICS CENTER, CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
HTTPS://WWW. NCON E MAP.GOV
HORIZONTAL CONTROL: NORTH AMERICAN DATUM 1983 (NAD83) - NORTH
J
•
41
CAROLINA STATE PLAN COORDINATE SYSTEM
B 01/11/2021
VERTICAL CONTROL: NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88) A 12/31/2020
REV DATE
i
JA
7812-20-0575
7812-20-0575
JOB NO.
CIVIL
CIVIL
PROJECT TYPE
I
6
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
SM BC I NB I CK CK ISSUED FOR PERMIT
BC BC NB CK CK ISSUED FOR REVIEW
DES DFTR CHKD ENGR APPD DESCRIPTION
LEGEND
EXISTING MAJOR CONTOURS
EXISTING MINOR CONTOURS
APPROXIMATE EXTENT OF
REPAIR
EXISTING SHEETPILE LOCATION
0
PROPOSED GABION BASKET
------------
100-YRFLOODPLAIN
------
FLOODWAY
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
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DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
PROPOSED REPAIRS
FOR
ISSUED FOR PERMIT
DUKE
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SCALE: AS SHOWN
DES:
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DATTE:001/111/2021
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FILENAME:
WSP_C904.004.005 PROPOSED REPAIRS
APPD:
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1 SUBGRADE PLAN
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20 0 20 40 FT
1. SUBGRADE PLAN SHOWN FOR PROPOSED REPAIR - GABION BASKET (OPTION 1 ON SHEET WSP_C904.004.008). SEE
OPTIONS 2 & 3 ON SHEET WSP_C904.004.008 FOR ALTERNATIVE REPAIR METHODS.
2. REFER TO PROFILE ON SHEET WSP_C904.004.007 FOR ADDITIONAL SUBGRADE INFORMATION.
REFERENCES:
1. EXISTING HYDROGRAPHIC SURVEY PROVIDED BY MCKIM & CREED DATED 12/18/2020.
2. AERIAL IMAGERY SOURCE: NC ONEMAP GEOSPATIAL PORTAL (2020). NORTH CAROLINA DEPARTMENT OF INFORMATION
TECHNOLOGY, GOVERNMENT DATA ANALYTICS CENTER, CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
HTTPS://WWW. NCON E MAP.GOV
HORIZONTAL CONTROL: NORTH AMERICAN DATUM 1983 (NAD83) - NORTH
CAROLINA STATE PLAN COORDINATE SYSTEM
VERTICAL CONTROL: NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88)
B 01/11/2021 7812-20-0575
A 12/31 /2020 7812-20-0575
REV DATE JOB NO.
CIVIL SM BC NB CK
CIVIL BC BC NB CK
PROJECT TYPE DES DFTR CHKD ENGR
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
CK ISSUED FOR PERMIT
CK ISSUED FOR REVIEW
APPD DESCRIPTION
LEGEND
EXISTING MAJOR CONTOURS
EXISTING MINOR CONTOURS
SHEETPILE LOCATION
PROPOSED MAJOR CONTOUR
PROPOSED MINOR CONTOUR
------------
100-YRFLOODPLAIN
------
FLOODWAY
TITLE
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone] FOR
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
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DUKE ISSUE NO. WSPN-130
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ROBESON COUNTY, NORTH CAROLINA
SUBGRADE PLAN
ISSUED FOR PERMIT
� DUKE SCALE: AS SHOWN DES: SM
DWG TYPE: DWG DFTR: BC
JOB
CHKD: NB
ENEnt""® DATE 001/111 2021 575 ENGR: CK
FILENAME: WSP_C904.004.006 GRADING PLAN APPD: CK
DWG SIZE I DRAWING NO. I REVISION
ANSI D
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APPROXIM/ = Tl M ! r cur= ll C
1
113.
APPROXIMATE RIVER ELEVATI
107.26 FT (NGVD 29 DATI
106.30 FT (NAVD 88 DATI
115
110
105
100
95
90
85
82
10-
NOTES:
1. PROFILE SHOWN FOR PROPOSED REPAIR - GABION BASKET (OPTION 1 ON SHEET WSP_C904.004.008). SEE OPTIONS 2 AND
3 ON SHEET WSP_C904.004.008 FOR ALTERNATIVE REPAIR METHODS.
2. FILL TO SUBGRADE WITH CLASS A RIP RAP LEVELING COURSE PER SPECIFICATION SECTION 313700.
3. INFILL VOIDS BETWEEN BASKETS WITH CLASS A RIP RAPPER SPECIFICATION SECTION 313700.
REFERENCES:
1. CAROLINA POWER & LIGHT COMPANY WEATHERSPOON "CIRCULATING WATER SYSTEM MODIFICATION, CANAL CLOSURE
DIKE SHT. PILING" DRAWING NO. G-505105, PREPARED BY EBASCO SERVICES INCORPORATED NEW YORK AND DATED
1 /24/1972.
HORIZONTAL CONTROL: NORTH AMERICAN DATUM 1983 (NAD83) - NORTH
CAROLINA STATE PLAN COORDINATE SYSTEM
VERTICAL CONTROL: NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88)
UNLESS NOTED OTHERWISE
B 01/11/2021
A 12/31 /2020
REV DATE
INCHES 1 2 3 TENTHS 10 20 30 4 5
1
7812-20-0575
7812-20-0575
JOB NO.
CIVIL
CIVIL
PROJECT TYPE
T
6
SM BC NB CK CK
BC BC NB CK CK
DES DFTR CHKD ENGR APPD
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
7
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
SEAL
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LEGEND
EXISTING GRADE WITH SCOUR CONDITION
APPROXIMATE HISTORICAL GRADE
-
APPROXIMATE SHEETPILE WALL LOCATION
SHEETPILE WALL APPROXIMATE TOP OF
CONCRETE
WATER LEVEL
GABION BASKET
115
110
105
100
95
90
85
82
37
0
cV
O
W
0
TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
PROFILE
FOR
ISSUED FOR PERMIT
� DUKE
4;
ENER GYO
SCALE: AS SHOWN
DES:
SM
DWG TYPE: DWG
DFTR:
BC
JOB NO:575
CHKD:
NB
DATE 01/111/2021
ENGR:
CK
FILENAME:
PROFILES
APPD:
CK
DWG SIZE
DRAWING NO.
REVISION
ANSI D
22"x34"
WS P C904.004.007
B
9
10
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0
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Plotted By: Markham, Steven Sheet Set: WSPN—EAP Repair Project Layout: PROFILE January 11, 2021 05: 21: 08pm \\wlm fs1 \CAD\Duke En erg y\Weatherspoon\7812200575—WSPN—EAP Sheetpile Scour & Void Area\Plansheets\lssued for Permitting\Rev B\PROFILES.dwg

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2
3 4
i
5
6 7
1 1 iwo
CONSTRUCT GABION BASKET BUTTRESS IN
ACCORDANCE WITH PLAN VIEW
(WSP _C904.004.005), PROFILE VIEW
(WSP_C904.004.007) AND SPECIFICATION
SECTION 31 36 00 (SEE NOTES 5 & 6)
TYP.
APPROXIMATE HISTORICAL z
GRADE PER G-505105
(REFERENCE 1)AT
ELEVATION 95.76 FT NGVD 29,
94.8 NAVD 88
_ d
M �
H
APPROXIMATE RIVER ELEVATION
107.26 FT (NGVD 29 DATUM)
106.30 FT (NAVD 88 DATUM)
RIVER SIDE
18' MIN.
APPROXIMATE TOP OF SHEETPILE
PER G-505105 (REFERENCE 1) AT
114 FT (NGVD 29 DATUM)
113.04 FT (NAVD 88 DATUM)
NORMAL POOL ELEVATION
109 FT (NGVD 29 DATUM)
108.04 FT (NAVD 88 DATUM)
HOLDING POND
RIGID BULKHEAD, SEE NOTES 2 & 4
POTENTIAL VOID BETWEEN SHEETPILE,
FILLED WITH NON -SHRINK GROUT. VOID IS
ILLUSTRATION ONLY.
-SEE NOTE 1 & 2
ORIGINAL DESIGN SHEETPILE TIP
PER (REFERENCE 1)AT
ELEVATIONATION 89 FT NGVD 29,
EXISTING GRADE WITH SCOUR CONDITION FILL TO SUBGRADE PER PLAN 1 ON 88.04 FT NAVD 88
SHEET WSP C904.004.006 WITH
CLASS A RIP RAP, PER
SPECIFICATION SECTION 31 37 00, TO
CREATE LEVEL GROUND
PROPOSED REPAIR - GABION BASKET (OPTION 1)
SCALE: NOT TO SCALE
APPROXIMATE HISTORICAL
GRADE PER G-505105
(REFERENCE 1)AT
ELEVATION 95.76 FT NGVD 29,
94.8 NAVD 88
NOTES:
1. CONTRACTOR TO PREPARE PLAN IN ACCORDANCE WITH SPECIFICATION 03 62 00 - GROUTING TO FILL VOID AS INDICATED ABOVE. REFER TO DETAIL
1 & 2 ON SHEET WSP C904.004.009 FOR VOIDS TO BE GROUTED.
2. CONTRACTOR TO USE RIGID BULKHEAD (PLYWOOD OR ENGINEER -APPROVED EQUAL) AT GROUT REPAIR LOCATIONS.
3. CONTRACTOR TO SUBMIT PLAN FOR INDIVIDUAL BIN BLOCK CONFIGURATION TO BE INSTALLED TO ACHIEVE OVERALL DIMENSIONS SHOWN ABOVE.
4. CONTRACTOR SHALL PROVIDE MEANS AND METHOD TO CONTAIN GROUT AND CONTACT WATER DURING PLACEMENT IN THE EVENT OF BULKHEAD
FAILURE.
5. CONTRACTOR SHALL SUBMIT SEQUENCING PLAN FOR ENGINEER APPROVAL FOR ALL LAYERS OF GABION BASKETS IN ACCORDANCE WITH BOTTOM
LAYER PLAN SHEET WSP C904.004.005 AND PROFILE VIEW ON SHEET WSP C904.004.006.
6. FILL GABION BASKETS WITH CLASS B RIP RAP, SMALL VOIDS BETWEEN BASKETS WITH CLASS A RIP RAP, PER SPECIFICATION SECTION 31 37 00,
MINIMUM 100 PCF UNIT WEIGHT.
REFERENCES:
1. CAROLINA POWER & LIGHT COMPANY WEATHERSPOON "CIRCULATING WATER SYSTEM MODIFICATION, CANAL CLOSURE DIKE SHT. PILING"
DRAWING NO. G-505105, PREPARED BY EBASCO SERVICES INCORPORATED NEWYORK AND DATED 1/24/1972.
APPROXIMATE HISTORICAL
GRADE PER G-505105
(REFERENCE 1)AT
ELEVATION 95.76 FT NGVD 29,
94.8 NAVD 88
APPROXIMATE RIVER ELEVATION
107.26 FT (NGVD 29 DATUM)
106.30 FT (NAVD 88 DATUM)
RIVER SIDE
CONSTRUCT BIN BLOCK BUTTRESS IN
ACCORDANCE WITH SPECIFICATION
SECTION 03 41 00 (MINIMUM UNIT
WEIGHT = 150 PCF) - SEE NOTE 3
15' MIN.
CONSTRUCT GABION BASKET BUTTRESS IN
ACCORDANCE WITH PLAN VIEW
(WSP _C904.004.005), PROFILE VIEW
(WSP_C904.004.007) AND SPECIFICATION
SECTION 31 36 00 (SEE NOTES 5 & 6)
j
APPROXIMATE RIVER ELEVATION
107.26 FT (NGVD 29 DATUM)
106.30 FT (NAVD 88 DATUM)
RIVER SIDE
18' MIN.
EXISTING GRADE WITH SCOUR CONDITION FILL TO SUBGRADE PER PLAN 1 ON
SHEET WSP_C904.004.006 WITH
CLASS A RIP RAP, PER
SPECIFICATION SECTION 31 37 00, TO
CREATE LEVEL GROUND
PROPOSED REPAIR - GABION BASKET (OPTION 2)
SCALE: NOT TO SCALE
APPROXIMATE TOP OF SHEETPILE
PER G-505105 (REFERENCE 1) AT
114 FT (NGVD 29 DATUM)
113.04 FT (NAVD 88 DATUM)
NORMAL POOL ELEVATION
109 FT (NGVD 29 DATUM)
108.04 FT (NAVD 88 DATUM)
HOLDING POND
RIGID BULKHEAD, SEE NOTES 2 & 4
POTENTIAL VOID BETWEEN SHEETPILE,
FILLED WITH NON -SHRINK GROUT. VOID IS
ILLUSTRATION ONLY.
-SEE NOTE 1
�111// /' ORIGINAL DESIGN SHEETPILE TIP
PER G-505105 (REFERENCE 1) AT
ELEVATION 89 FT NGVD 29,
EXISTING GRADE WITH SCOUR CONDITION FILL TO SUBGRADE PER PLAN 1 ON 88.04 FT NAVD 88
SHEET WSP C904.004.006 WITH
CLASS A RIP RAP, PER
SPECIFICATION SECTION 31 37 00, TO
CREATE LEVEL GROUND
PROPOSED REPAIR - CONCRETE BIN BLOCKS (OPTION 3)
SCALE: NOT TO SCALE
B 01/11/2021 7812-20-0575 CIVIL
A 12/31/2020 7812-20-0575 CIVIL
REV DATE JOB NO. PROJECT TYPE
INCHES 1 2 ITENTHS 10 20 30 4 5 6
SM BC NB CK CK
BC BC NB CK CK
DES DFTR CHKD ENGR APPD
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
ISSUED FOR PERMIT
ISSUED FOR REVIEW
DESCRIPTION
woo
do
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
SEAL
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APPROXIMATE TOP OF SHEETPILE
PER G-505105 (REFERENCE 1) AT
114 FT (NGVD 29 DATUM)
113.04 FT (NAVD 88 DATUM)
NORMAL POOL ELEVATION
109 FT (NGVD 29 DATUM)
108.04 FT (NAVD 88 DATUM)
HOLDING POND
ARTICULATED CONCRETE BLOCK
MATTRESS - SUBMAR ULTRAFLEX L9085
OR ENGINEER -APPROVED EQUAL
FILL MATERIAL (CLASS B, MINIMUM 100 PCF BULK UNIT WEIGHT)
IN ACCORDANCE WITH SPECIFICATION SECTION 313700
RIGID BULKHEAD, SEE NOTES 2 & 4
POTENTIAL VOID BETWEEN SHEETPILE,
FILLED WITH NON -SHRINK GROUT. VOID IS
ILLUSTRATION ONLY.
-SEE NOTE 1 & 2
ORIGINAL DESIGN SHEETPILE TIP
PER G-505105 (REFERENCE 1) AT
ELEVATION 89 FT NGVD 29,
88.04 FT NAVD 88
TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
PROPOSED TYPICAL REPAIR SECTIONS
FOR
ISSUED FOR PERMIT
•�
DUKE
ENEM.7Y®
SCALE: AS SHOWN
DES: SM
DWG TYPE: DWG
DFTR: BC
00%$1/2021 575
CHKD: NB
DATE:
ENGR: CK
FILENAME:
WSP_C904.004.007 PROPOSED CROSS SECTION REPAIR
APPD: CK
DWG SIZE
DRAWING NO.
REVISION
ANSI D
22"x34"
WSP C904.004.008
B
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in
LUMBER RIVER
7&I
SHEETPILE
SHEETPILE
VOID AREA TO BE FILLED BY GROUT, DEPTH
APPROXIMATELY 21 INCHES (SEE REFERENCE 1
AND NOTE 2)
HOLDING POND
SCOUR (UNDERMINING & VOIDS) AT PUMP STRUCTURE SHEET PILE BASE - PLAN VIEW
SCALE: NOT TO SCALE
BEND
PROPOSED
PROPOSED
PROPOSED
TIE ROD
TIE ROD
TIE ROD
LOCATION
LOCATION
LOCATION
(SEE
(SEE
(SEE
NOTE 1)
NOTE 1)
NOTE 1)
w
w
w
w
w
w
w
w
U
U
U
U
U
U
U
U
Q
Q
Q
Q
Q
Q
Q
Q
m
m
m
m
m
m
m
m
SCOUR #: 8
(SEE REFEREBCE 2
AND NOTE 2)
►��i�ifEi�i'i
►��i�iyEi�i'�
►�0i�i�>Ei�i'�
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SCOUR (UNDERMINING & VOIDS) AT SHEET PILE BASE - ELEVATION VIEW (RIVER SIDE
SCALE: NOT TO SCALE
NOTES:
1. SEE DUKE ISSUE NO. WSPN-123 - WEATHERSPOON COOLING POND SHEET PILE REPAIR PLANS FOR PROPOSED TIE ROD LOCATIONS.
2. CONTRACTOR TO PREPARE PLAN IN ACCORDANCE WITH SPECIFICATION 03 62 00 -GROUTING TO FILL VOID AS INDICATED ABOVE. GROUT TO BE PLACED BY TREMMIE METHOD. GROUT PLAN TO BE DEVELOPED BY CONTRACTOR.
3. CONTRACTOR TO USE RIGID BULKHEAD (PLYWOOD OR ENGINEER -APPROVED EQUAL) AT GROUT REPAIR LOCATIONS.
4. CONTRACTOR SHALL PROVIDE MEANS AND METHOD TO CONTAIN GROUT AND CONTACT WATER DURING PLACEMENT IN THE EVENT OF BULKHEAD FAILURE.
REFERENCES:
1. DETAIL 1: DIMENSIONS OF VOID ARE BASED ON DIVE INSPECTION REPORT COMPLETED BY MAINSTREAM COMMERCIAL DIVERS, INC. ON APRIL 21, 2017.
2. DETAIL 2: POTENTIAL SCOUR ELEVATION VIEW AND APPROXIMATE SCOUR DIMENSION TABLE SHOWN ON THIS SHEET PROVIDED BY GLENN INDUSTRIAL GROUP, LLC FOR DUKE ENERGY ON DECEMBER 18, 2020.
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
B 01/11/2021 7812-20-0575 CIVIL SM BC NB CK CK ISSUED FOR PERMIT
A 12/31/2020 7812-20-0575 CIVIL BC BC NB CK CK ISSUED FOR REVIEW
REV DATE JOB NO. PROJECT TYPE DES DFTR CHKD ENGR APPD DESCRIPTION
INCHES 1 2 3 TENTHS 10 20 30 4 5 6 7
APPROXIMATE SCOUR DIMENSION TABLE
INSIDE VOID HEIGHT (IN.)
SCOUR #
HEIGHT (IN.)
DEPTH (IN.)
LEFT
CENTER
RIGHT
1
10.5
28.5
76.25
66.5
65.5
2
5.5
10.5
3
4
8.5
4
3.5
8.25
5
11
14.5
6
5
9.5
7
13.5
29.5
70.5
74
67.8
8
0.5
0
VOID MEASURED ON THE INSIDE OF THE SHEET PILE STRUCTURE, FROM THE BOTTOM EDGE OF THE SHEET PILE UP.
(SEE NOTE 2)
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
SEAL
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TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
DETAILS
FOR
ISSUED FOR PERMIT
DUKE
ENE RGY®
SCALE: AS SHOWN
DES:
SM
DWG TYPE: DWG
DFTR:
BC
JOB 575
CHKD:
NB
DATTE:001/111/2021
ENGR:
CK
FILENAME:
WSP_C904.004.009 DETAILS
APPD:
CK
DWG SIZE
DRAWING NO.
REVISION
ANSI D
22"x34"
WS P C904.004.009
B
0
nR
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Plotted By: Markham, Steven Sheet Set: WSPN—EAP Repair Project Layout: WSPC904.004.009 DETAILS January 11, 2021 05: 24: 04pm \\wlmfs1\CAD\Duke Energy\Weatherspoon\7812200575—WSPN—EAP Sheetpile Scour & Void Area\Plansheets\lssued for Permitting\Rev B\WSPC904.004.009 DETAILS.dwg
I
10

1
2
1
3
I
1
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.004.010 IREv. B
0
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table below. When adverse
weather or site conditions would cause the safety of the inspection personnel to be in jeopardy, the inspection
may be delayed until the next business day on which it is safe to perform the inspection. In addition, when a
storm event of equal to or greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall
be performed upon the commencement of the next business day. Any time when inspections were delayed shall
be noted in the Inspection Record.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those un-
attended days (and this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded as
"zero." The permittee may use another rain -monitoring device
approved by the Division.
(2) E&SC
At least once per
1. Identification of the measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Indication of whether the measures were operating
event > 1.0 inch in
properly,
24 hours
5. Description of maintenance needs for the measure,
6. Description, evidence, and date of corrective actions taken.
(3) Stormwater
At least once per
1. Identification of the discharge outfalls inspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SDOs)
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event > 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
of the following shall be made:
and within 24
1. Actions taken to clean up or stabilize the sediment that has left
hours of a rain
the site limits,
event > 1.0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
(5) Streams or
At least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased turbidity from the construction
or offsite
and within 24
activity, then a record of the following shall be made:
(where
hours of a rain
1. Description, evidence and date of corrective actions taken, and
accessible)
event > 1.0 inch in
2. Records of the required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit
of this permit.
(6) Ground
After each phase
1. The phase of grading (installation of perimeter E&SC
stabilization
of grading
measures, clearing and grubbing, installation of storm
measures
drainage facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
timeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
EQUIPMENT AND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the project.
4. Collect all spent fluids, store in separate containers and properly dispose as hazardous waste (recycle
when possible).
5. Remove leaking vehicles and construction equipment from service until the problem has been
corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products to a recycling or
disposal center that handles these materials.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash receptacle) on site to
contain construction and domestic wastes.
3. Locate waste containers at least 50 feet away from storm drain inlets and surface waters unless no
other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff from upland areas
and does not drain directly to a storm drain, stream or wetland.
5. Cover waste containers at the end of each workday and before storm events or provide secondary
containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Empty waste containers as needed to prevent overflow. Clean up immediately if containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface waters unless no other
alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriately for the needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from construction sites.
SECTION B: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The approved E&SC plan must
be kept up-to-date throughout the coverage under this permit. The following items pertaining to the E&SC plan
shall be documented in the manner described:
Item to Document
Documentation Requirements
(a) Each E&SC Measure has been installed
Initial and date each E&SC Measure on a copy
and does not significantly deviate from the
of the approved E&SC Plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC Plan.
E&SC Measure shown on the approved E&SC
Plan. This documentation is required upon the
initial installation of the E&SC Measures or if
the E&SC Measures are modified after initial
installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC
Plan or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy of the approved E&SC
in accordance with the approved E&SC
Plan or complete, date and sign an inspection
Plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, date and sign an inspection report.
requirements for all E&SC Measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC Measures.
Plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation
In addition to the E&SC Plan documents above, the following items shall be kept on the site
and available for agency inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make this
requirement not practical:
(a) This general permit as well as the certificate of coverage, after it is received.
(b) Records of inspections made during the previous 30 days. The permittee shall record the required
observations on the Inspection Record Form provided by the Division or a similar inspection form that
includes all the required elements. Use of electronically -available records in lieu of the required paper
copies will be allowed if shown to provide equal access and utility as the hard -copy records.
(c) All data used to complete the Notice of Intent and older inspection records shall be maintained for a
period of three years after project completion and made available upon request. [40 CFR 122.41]
CONCRETE WASHOUTS
1. Do not discharge concrete or cement slurry from the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local and state solid
waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above item and in addition place the
mixer and associated materials on impervious barrier and within lot perimeter silt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an alternate method
or product is to be used, contact your approval authority for review and approval. If local standard
details are not available, use one of the two types of temporary concrete washouts provided on this
detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk sections.
Stormwater accumulated within the washout may not be pumped into or discharged to the storm
drain system or receiving surface waters. Liquid waste must be pumped out and removed from
project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it can be shown
that no other alternatives are reasonably available. At a minimum, install protection of storm drain
inlet(s) closest to the washout which could receive spills or overflow.
7. Locate washouts in an easily accessible area, on level ground and install a stone entrance pad in front
of the washout. Additional controls may be required by the approving authority.
8. Install at least one sign directing concrete trucks to the washout within the project limits. Post signage
on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75% capacity to limit overflow events.
Replace the tarp, sand bags or other temporary structural components when no longer functional.
When utilizing alternative or proprietary products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of in an approved
disposal facility. Fill pit, if applicable, and stabilize any disturbance caused by removal of washout.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
10,
A HIGH MIN B SANDBAGS (TYP.)
COHESIVE & Oft STAPLES
0 CD C CD 0 SANDBAGS (TYP.) SOIL FILTRATION
10 MIL COHESIVE &
O O OR STAPLES 0 0 0 PLASTIC LINING LOW FILTRATION
10 MIL 1:1 SIDE SLOP SOIL BERM
0 SILT FENCE 1:1 PLASTIC SA(•SLOP LINING ORNSBAPLEAGS4 ) 0 0 p3 �( )
SIDE
0 0 O 0
O A 0 .I a 0 SECTION B-B^
MARKED SIGNAGE SECTION A -A
��VCLEARLY
NOTING DEVICE (1a"X24" MIN.) NOTES
1. ACTUAL LOCATION DETERMINED IN FIELD
2. THE CONCRETE WASHOUT STRUCTURES SHALL
BE MAINTAINED WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES CAPACITY.
PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE
CLEARY MARKED WITH SIGNAGE NOTING DEVICE.
BELOW GRADE WASHOUT STRUCTURE
NOT TO SCALE
SANDBAGS (TYP.)
NOTES:
OR STAPLES
1. LOCATION DETERMINED IN
MARKED SX24-
Fl�ACTUAL
P�VCLEARLY
NOTING DEVICE (18"X24" MIN.)
2. THE CONCRETE WASHOUT
STRUCTURES SHALL BE MAINTAINED
WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES
CAPACITY TO PROVIDE ADEQUATE
HOLDING CAPACITY WITH A MINIMUM 12
PLAN
INCHES OF FREEBOARD.
3.CONCRETE WASHOUT STRUCTURE
NEEDS TO BE CLEARY MARKED WITH
SIGNAGE NOTING DEVICE.
ABOVE GRADE WASHOUT STRUCTURE
NOT TO SCALE
SECTION C: REPORTING
1. Occurrences that must be reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
• They are 25 gallons or more,
• They are less than 25 gallons but cannot be cleaned up within 24 hours,
• They cause sheen on surface waters (regardless of volume), or
• They are within 100 feet of surface waters (regardless of volume).
(a) Releases of hazardous substances in excess of reportable quantities under Section 311 of the Clean Water Act
(Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA (Ref: 40 CFR 302.4) or G.S. 143-215.85.
(b) Anticipated bypasses and unanticipated bypasses.
(c) Noncompliance with the conditions of this permit that may endanger health or the environment.
2. Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact the appropriate Division
regional office within the timeframes and in accordance with the other requirements listed below. Occurrences
outside normal business hours may also be reported to the Division's Emergency Response personnel at (800)
662-7956, [phone] or [phone].
Occurrence
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
• Within 24 hours, an oral or electronic notification.
deposition in a
• Within 7 calendar days, a report that contains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case -by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal or state impaired -waters conditions.
(b) Oil spills and
• Within 24 hours, an oral or electronic notification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill or release.
substances per Item
1(b)-(c) above
(c) Anticipated
• A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
(d) Unanticipated
• Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
• Within 7 calendar days, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance • Within 24 hours, an oral or electronic notification.
with the conditions • Within 7 calendar days, a report that contains a description of the
of this permit that noncompliance, and its causes; the period of noncompliance,
may endanger including exact dates and times, and if the noncompliance has not
health or the been corrected, the anticipated time noncompliance is expected to
environment[40 continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(I)(7)] prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6).
• Division staff may waive the requirement for a written report on a
case -by -case basis.
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1. Select flocculants that are appropriate for the soils being exposed during construction, selecting from
the NC DWR List of Approved PAMS/Flocculants.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved PAMS/Flocculants and
in accordance with the manufacturer's instructions.
4. Provide ponding area for containment of treated Stormwater before discharging offsite.
5. Store flocculants in leak -proof containers that are kept under storm -resistant cover or surrounded by
secondary containment structures.
PORTABLE TOILETS
1. Install portable toilets on level ground, at least 50 feet away from storm drains, streams or wetlands
unless there is no alternative reasonably available. If 50 foot offset is not attainable, provide relocation
of portable toilet behind silt fence or place on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high foot traffic
areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material. Utilize a licensed
sanitary waste hauler to remove leaking portable toilets and replace with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least 50 feet away from
storm drain inlets, sediment basins, perimeter sediment controls and surface waters unless it can be
shown no other alternatives are reasonably available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of five feet from the
toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the timeframes provided on this sheet and in accordance with the approved
plan and any additional requirements. Soil stabilization is defined as vegetative, physical or chemical
coverage techniques that will restrain accelerated erosion on disturbed soils for temporary or
permanent control needs.
FOR PERMIT ONLY
NOT FOR
CONSTRUCTION
B 01/11/2021 7812-20-0575 CIVIL SM BC NB I CK I CK ISSUED FOR PERMIT
A 12/31/2020 7812-20-0575 CIVIL BC BC NB Cl CK ISSUED FOR REVIEW
REV DATE JOB NO. PROJECT TYPE DES DFTR CHKD ENGR APPD DESCRIPTION
INCHES 1 2 3 TENTHS 10 20 30 4 5 6 7
Plotted Bv: Markham, Steven Sheet Set: WSPN-EAP Repair Project Layout: WSP C904.004.010 NCG01 NOTES January 11, 2021 05: 24:38pm \\wlm fs1\CAD\Duke Enerav\Weatherspoon\ 7812200575 WSPN-EAP Sheetpile Scour & Void Area\Plansheets\Issued for Permittinc\Rev B\WSP C904.004.010 NCG01 NOTES.dwc
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE NCG01
CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction activity being
considered compliant with the Ground Stabilization and Materials Handling sections of the NCGO1
Construction General Permit (Sections E and F, respectively). The permittee shall comply with the Erosion and
Sediment Control plan approved by the delegated authority having jurisdiction. All details and specifications
shown on this sheet may not apply depending on site conditions and the delegated authority having
jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization
Timeframes
Stabilize within this
many calendar days
Site Area Description
after ceasing land
Timeframe variations
disturbance
(a) Perimeter dikes, swales,
7
None
ditches, and perimeter
slopes
(b) High Quality Water
7
None
(HQW) Zones
If slopes are 10' or less in length and are
(c) Slopes steeper than 3:1
7
not steeper than 2:1, 14 days are
allowed
-7 days for slopes greater than 5 In length an
with slopes steeper than 4:1
(d) Slopes 3:1 to 4:1
14
-7 days for perimeter dikes, swales, ditches,
perimeter slopes and HQW Zones
-10 days for Falls Lake Watershed
-7 clays Tor perimeter clikes, swales, clitcl
perimeter slopes and HQW Zones
(e) Areas with slopes flatter
14
-10 days for Falls Lake Watershed unless there is
than 4:1
zero slope
Note: After the permanent cessation of construction activities, any areas with temporary ground stabilization
shall be converted to permanent ground stabilization as soon as practicable but in no case longer than 90
calendar days after the last land disturbing activity. Temporary ground stabilization shall be maintained in a
manner to render the surface stable against accelerated erosion until permanent ground stabilization is
achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the techniques in the table
below:
Temporary Stabilization
Permanent Stabilization
• Temporary grass seed covered with straw or
• Permanent grass seed covered with straw or
other mulches and tackifiers
other mulches and tackifiers
• Hydroseeding
• Geotextile fabrics such as permanent soil
• Rolled erosion control products with or
reinforcement matting
without temporary grass seed
• Hydroseeding
• Appropriately applied straw or other mulch
• Shrubs or other permanent plantings covered
• Plastic sheeting
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control products with grass seed
HERBICIDES, PESTICIDES AND RODENTICIDES
1. Store and apply herbicides, pesticides and rodenticides in accordance with label restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the label, which lists
directions for use, ingredients and first aid steps in case of accidental poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is possible or where they
may spill or leak into wells, stormwater drains, ground water or surface water. If a spill occurs, clean
area immediately.
4. Do not stockpile these materials onsite.
HAZARDOUS AND TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
wood.
Environment & Infrastructure Solutions
5710 OLEANDER DRIVE, SUITE 110
WILMINGTON NC 28403
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
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TITLE EAP SCOUR REPAIR
DUKE ISSUE NO. WSPN-130
WEATHERSPOON STEAM ELECTRIC PLANT
ROBESON COUNTY, NORTH CAROLINA
NCG01 NOTES
FOR
ISSUED FOR PERMIT
fi,
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DUKE
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SCALE: AS SHOWN
DES: SM
DWG TYPE: DWG
DFTR: BC
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CHKD: NB
DATTE:001/111/2021
ENGR: CK
FILENAME:
WSP_C904.004.010 NCG01 NOTES
APPD: CK
DWG SIZE
DRAWING NO.
REVISION
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WS P C904.004.010
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10

■ ■■■ Roy Cooper. Governor
00 0 NC DEPARTMENT OF Susi Hamilton, Secretary
■■L■■ NATURAL AND CULTURAL RESOURCES
IN won Walter Clark, Director, Land and Water Stewardship
NCNHDE-13694
January 12, 2021
Laura Meyer
Wood Environment & Infrastructure Solutions, Inc.
4021 Stirrup Creek Drive
Durham, NC 27703
RE. Weatherspoon Cooling Basin Sheet Pile Wall Scour Repair
Dear Laura Meyer.
The North Carolina Natural Heritage Program (NCNHP) appreciates the opportunity to provide
information about natural heritage resources for the project referenced above.
A query of the NCNHP database indicates that there are records for rare species, important natural
communities, natural areas, and/or conservation/managed areas within the proposed project
boundary. These results are presented in the attached `Documented Occurrences' tables and map.
The attached `Potential Occurrences' table summarizes rare species and natural communities that
have been documented within a one -mile radius of the property boundary. The proximity of these
records suggests that these natural heritage elements may potentially be present in the project area
if suitable habitat exists. Tables of natural areas and conservation/managed areas within a one -mile
radius of the project area, if any, are also included in this report.
If a Federally -listed species is documented within the project area or indicated within a one -mile
radius of the project area, the NCNHP recommends contacting the US Fish and Wildlife Service
(USFWS) for guidance. Contact information for USFWS offices in North Carolina is found here:
https://www.fws.gov/offices/Directory/ListOffices.cfm?statecode=37.
Please note that natural heritage element data are maintained for the purposes of conservation
planning, project review, and scientific research, and are not intended for use as the primary criteria
for regulatory decisions. Information provided by the NCNHP database may not be published
without prior written notification to the NCNHP, and the NCNHP must be credited as an information
source in these publications. Maps of NCNHP data may not be redistributed without permission.
Also please note that the NC Natural Heritage Program may follow this letter with additional
correspondence if a Dedicated Nature Preserve, Registered Heritage Area, Land and Water Fund
easement, or an occurrence of a Federally -listed species is documented near the project area.
If you have questions regarding the information provided in this letter or need additional assistance,
please contact Rodney A. Butler at rodnev.butlerWncdcr.aov or 919-707-8603.
Sincerely,
NC Natural Heritage Program
DEPARTMENT OF NATURAL AND CULTURAL RESOVRCES
121 W. JONES STREET. RALEIGH. NC 27603 • 16S1 MAIL SERVICE CENTER, RALEIGH. NC 27699
& OFC g19.707.9120 • FAX [phone]

Natural Heritage Element Occurrences, Natural Areas, and Managed Areas Intersecting the Project Area
Weatherspoon Cooling Basin Sheet Pile Wall Scour Repair
January 12, 2021
NCNHDE-13694
No Element Occurrences are Documented within the Project Area
There are no documented element occurrences (of medium to very high accuracy) that intersect with the project area. Please note, however, that although the
NCNHP database does not show records for rare species within the project area, it does not necessarily mean that they are not present, it may simply mean that
the area has not been surveyed. The use of Natural Heritage Program data should not be substituted for actual field surveys if needed, particularly if the project
area contains suitable habitat for rare species. If rare species are found, the NCNHP would appreciate receiving this information so that we may update our
database.
No Natural Areas are Documented within the Project Area
Managed Areas Documented Within Project Area
Ma=ed 7rea Name wner Owner Type
Lumber State Natural and Scenic River NC DNCR, Division of Parks and Recreation State
Lumber National Wild and Scenic River US National Park Service Federal
NOTE: If the proposed project intersects with a conservation/managed area, please contact the landowner directly for additional information. If the project intersects with a Dedicated Nature Preserve
(DNP), Registered Natural Heritage Area (RHA), or Federally -listed species, NCNHP staff may provide additional correspondence regarding the project.
Definitions and an explanation of status designations and codes can be found at httr)s://ncnhde.natureserve.ora/heir). Data query generated on January 12, 2021; source: NCNHP, Q3 October 2020.
Please resubmit your information request if more than one year elapses before project initiation as new information is continually added to the NCNHP database.
Page 2 of 5

Natural Heritage Element Occurrences, Natural Areas, and Managed Areas Within a One -mile Radius of the Project Area
Weatherspoon Cooling Basin Sheet Pile Wall Scour Repair
January 12, 2021
NCNHDE-13694
Element Occurrences Documented Within a One -mile Radius of the Project Area
Taxonomic EO ID Scientific NameE Common Name Last Element Accuracy Federal Mate Global State
Group servation Occurrence Status S s Rank Rank
Date a Rank
Animal 32431 Waterbird Colony --- 2008-05-02 C 2-High --- --- GNP S3
Assemblage
Dragonfly or 33769 Somatochlora Coppery Emerald 2004-Pre H? 5-Very --- Significantly G3G4 S1?
Damselfly georgiana Low Rare
Dragonfly or 33789 Triacanthagyna trifida Phantom Darner 2004-Pre H? 5-Very --- Significantly G5 SH
Damselfly Low Rare
Freshwater Fish36965 Notropis chalybaeus Ironcolor Shiner 1961-06-09 H 3-Medium --- Significantly G4 S2S3
Rare
Natural 27993 Cypress --Gum Swamp --- 2007 A 2-High --- --- G4? S4
Community (Blackwater Subtype)
Natural 27990 Dry Oak --Hickory --- 2010 CD 2-High --- --- G4? S3
Community Forest (Coastal Plain
Subtype)
Natural 27992 Low Elevation Seep --- 2007-09-21 C 2-High --- --- G4 S2
Community (Floodplain Subtype)
Natural 27991 Mesic Mixed Hardwood--- 2007-09-21 C 2-High --- --- G3 S3
Community Forest (Coastal Plain
Subtype)
Vascular Plant 26673 Ditrysinia fruticosa Sebastian -bush 2007-09-21 B 3-Medium --- Special G5 S2
Concern
Vulnerable
Vascular Plant 3396 Hibiscus aculeatus Comfortroot 1958-08-19 H 4-Low --- Threatened G4G5 S1
Vascular Plant 17562 Macbridea caroliniana Carolina Bogmint 2004-08-29 F 3-Medium --- Endangered G2G3 S2
Vascular Plant 19463 Xyris floridana Florida Yellow -eyed- 1963-08-27 H 4-Low --- Threatened G5T4T S1
grass 5
Natural Areas Documented Within a One -mile Radius of the Project Area
rite Nam Representational Rating =Collective Rating
Lumber River/High Hill R3 (High) C4 (Moderate)
Lumber River Swamp/Matthews Bluff R1 (Exceptional) C4 (Moderate)
Page 3 of 5

Managed Areas Documented Within a One -mile Radius of the Project Area
Managed Area Name
Lumber River State Park
Lumber State Natural and Scenic River
Lumber National Wild and Scenic River
NC Land and Water Fund Funded Project
Owner
Owner Type
NC DNCR, Division of Parks and Recreation State
NC DNCR, Division of Parks and Recreation State
US National Park Service Federal
NC DNCR, NC Land and Water Fund State
Definitions and an explanation of status designations and codes can be found at httr)s://ncnhde.natureserve.org/helr). Data query generated on January 12, 2021; source: NCNHP, Q3 October 2020.
Please resubmit your information request if more than one year elapses before project initiation as new information is continually added to the NCNHP database.
Page 4 of 5

NCNHDE-13694: Weatherspoon Cooling Basin Sheet Pile Wall Scour Repair
Hestertown
151$�m"
72
Jacob
8'a""
iA,
giant
N-
W+E
January 12, 2021
[:)
Project Boundary
Buffered Project Boundary
NHP Natural Area (NHNA)
Managed Area (MAREA)
1:20,892
0 0.175 0.35 0.7 mi
-TJ
0 0.275 0.55 1.1 kin
Sources: Esri, HERE, Garmin, Intermap, increment P Corp., GEBCO, USGS,
FAO, INIPS, NRCAN, GeoBase, IGN, Kadaster NIL, Ordnance Survey, Esri Japan,
METIEsri China (Hong Kong), (c) OpenStreetMap contributors, and the GIS
User Community
Page 5 of 5

United States Department of the Interior
FISH AND WILDLIFE SERVICE
Raleigh Ecological Services Field Office
Post Office Box 33726
Raleigh, NC 27636-3726
Phone: [phone] Fax: [phone]
In Reply Refer To:
Consultation Code: 04EN2000-2021-SLI-0490
Event Code: 04EN2000-2021-E-01052
Project Name: Weatherspoon Emergency Repair
January 13, 2021
Subject: List of threatened and endangered species that may occur in your proposed project
location or may be affected by your proposed project
To Whom It May Concern:
The species list generated pursuant to the information you provided identifies threatened,
endangered, proposed and candidate species, as well as proposed and final designated critical
habitat, that may occur within the boundary of your proposed project and/or may be affected by
your proposed project. The species list fulfills the requirements of the U.S. Fish and Wildlife
Service (Service) under section 7(c) of the Endangered Species Act (Act) of 1973, as amended
(16 U.S.C. 1531 et seq.).
New information based on updated surveys, changes in the abundance and distribution of
species, changed habitat conditions, or other factors could change this list. Please feel free to
contact us if you need more current information or assistance regarding the potential impacts to
federally proposed, listed, and candidate species and federally designated and proposed critical
habitat. Please note that under 50 CFR 402.12(e) of the regulations implementing section 7 of the
Act, the accuracy of this species list should be verified after 90 days. This verification can be
completed formally or informally as desired. The Service recommends that verification be
completed by visiting the ECOS-IPaC website at regular intervals during project planning and
implementation for updates to species lists and information. An updated list may be requested
through the ECOS-IPaC system by completing the same process used to receive the enclosed list.
Section 7 of the Act requires that all federal agencies (or their designated non-federal
representative), in consultation with the Service, insure that any action federally authorized,
funded, or carried out by such agencies is not likely to jeopardize the continued existence of any
federally -listed endangered or threatened species. A biological assessment or evaluation may be
prepared to fulfill that requirement and in determining whether additional consultation with the
Service is necessary. In addition to the federally -protected species list, information on the
species' life histories and habitats and information on completing a biological assessment or

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evaluation and can be found on our web page at http://www.fws.gov/raleigh. Please check the
web site often for updated information or changes
If your project contains suitable habitat for any of the federally -listed species known to be
present within the county where your project occurs, the proposed action has the potential to
adversely affect those species. As such, we recommend that surveys be conducted to determine
the species' presence or absence within the project area. The use of North Carolina Natural
Heritage program data should not be substituted for actual field surveys.
If you determine that the proposed action may affect (i.e., likely to adversely affect or not likely
to adversely affect) a federally -protected species, you should notify this office with your
determination, the results of your surveys, survey methodologies, and an analysis of the effects
of the action on listed species, including consideration of direct, indirect, and cumulative effects,
before conducting any activities that might affect the species. If you determine that the proposed
action will have no effect (i.e., no beneficial or adverse, direct or indirect effect) on federally
listed species, then you are not required to contact our office for concurrence (unless an
Environmental Impact Statement is prepared). However, you should maintain a complete record
of the assessment, including steps leading to your determination of effect, the qualified personnel
conducting the assessment, habitat conditions, site photographs, and any other related articles.
Please be aware that bald and golden eagles are protected under the Bald and Golden Eagle
Protection Act (16 U.S.C. 668 et seq.), and projects affecting these species may require
development of an eagle conservation plan (http://www.fws.gov/windenergy/
eagle_guidance.html). Additionally, wind energy projects should follow the wind energy
guidelines (http://www.fws.gov/windenergy/) for minimizing impacts to migratory birds and
bats.
Guidance for minimizing impacts to migratory birds for projects including communications
towers (e.g., cellular, digital television, radio, and emergency broadcast) can be found at: http://
www.fws.gov/migratorybirds/CurrentBirdlssues/Hazards/towers/towers.htm; http://
www.towerkill.com; and http://www.fws.gov/migratooLbirds/CurrentBirdlssues/Hazards/
towers/comtow.html.
Not all Threatened and Endangered Species that occur in North Carolina are subject to section 7
consultation with the U.S Fish and Wildlife Service. Atlantic and shortnose sturgeon, sea
turtles,when in the water, and certain marine mammals are under purview of the National Marine
Fisheries Service. If your project occurs in marine, estuarine, or coastal river systems you should
also contact the National Marine Fisheries Service, http://www.nmfs.noaa.gov/
We appreciate your concern for threatened and endangered species. The Service encourages
Federal agencies to include conservation of threatened and endangered species into their project
planning to further the purposes of the Act. Please include the Consultation Tracking Number in
the header of this letter with any request for consultation or correspondence about your project
that you submit to our office. If you have any questions or comments, please contact John Ellis
of this office at [e-mail].

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Attachment(s):
■ Official Species List

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Official Species List
This list is provided pursuant to Section 7 of the Endangered Species Act, and fulfills the
requirement for Federal agencies to "request of the Secretary of the Interior information whether
any species which is listed or proposed to be listed may be present in the area of a proposed
action".
This species list is provided by:
Raleigh Ecological Services Field Office
Post Office Box 33726
Raleigh, NC 27636-3726
[phone]

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Event Code: 04EN2000-2021-E-01052
Project Summary
Consultation Code: 04EN2000-2021-SLI-0490
Event Code: 04EN2000-2021-E-01052
Project Name: Weatherspoon Emergency Repair
Project Type: DAM
Project Description: Emergency Scour Repair
Project Location:
Approximate location of the project can be viewed in Google Maps: https:
www.google.com/maps/(a)34.58668405.-78.97754155258909.14z
Counties: Robeson County, North Carolina

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Endangered Species Act Species
There is a total of 4 threatened, endangered, or candidate species on this species list.
Species on this list should be considered in an effects analysis for your project and could include
species that exist in another geographic area. For example, certain fish may appear on the species
list because a project could affect downstream species.
IPaC does not display listed species or critical habitats under the sole jurisdiction of NOAA
Fisheries1, as USFWS does not have the authority to speak on behalf of NOAA and the
Department of Commerce.
See the "Critical habitats" section below for those critical habitats that lie wholly or partially
within your project area under this office's jurisdiction. Please contact the designated FWS office
if you have questions.
1. NOAA Fisheries, also known as the National Marine Fisheries Service (NMFS), is an
office of the National Oceanic and Atmospheric Administration within the Department of
Commerce.
Birds
STATUS
Red -cockaded Woodpecker Picoides borealis Endangered
No critical habitat has been designated for this species.
Species profile: https://ecos.fws.gov/ecp/species/7614
Wood Stork Mycteria americana Threatened
Population: AL, FL, GA, MS, NC, SC
No critical habitat has been designated for this species.
Species profile: https://ecos.fws.gov/ecp/species/8477
Reptiles
STATUS
American Alligator Alligator mississippiensis Similarity of
No critical habitat has been designated for this species. Appearance
Species profile: https://ecos.fws.gov/ecp/species/776 (Threatened)
Flowering Plants
NAME STATUS
Michaux's Sumac Rhus michauxii Endangered
No critical habitat has been designated for this species.
Species profile: https://ecos.fws.gov/ecp/species/5217

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Critical habitats
THERE ARE NO CRITICAL HABITATS WITHIN YOUR PROJECT AREA UNDER THIS OFFICE'S
JURISDICTION.