20202034 Ver 1_ePCN Application_20210209

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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?*
d Yes
r No
Is this project a public transportation project?*
0Yes 0No
Change only if needed.
BIMS # Assigned *
Version#*
20202034
1
Is a payment required for this project?*
r No payment required
What amout is owed?*
r Fee received
r $240.00
r Fee needed - send electronic notification
G $570.00
Reviewing Offfce* Select Project Reviewer*
Asheville Regional Office - [phone] Kaylie Yankura:eadsftankura
Information for Initial Review
1a. Name of project:
Big Creek Dam Removal and Restoration
1a. Who is the Primary Contact?*
Andrew Bick
1b. Primary Contact Email:*
[e-mail]
Date Submitted
2/9/2021
Nearest Body of Water
Big Creek
Basin
Little Tennessee
Water Classification
WS-II; Tr; HQW
Site Coordinates
Latitude:
35.089513
Pre -Filing Meeting Information
ID#
20202034
Pre -fling Meeting or Request Date*
12/30/2020
Longitude:
-83.172634
Attach documentation of Pre -Filing Meeting Request here:*
DWR Pre -Filing Meeting Request Form.pdf
1c. Primary Contact Phone:*
[phone]
Version
1
52.16KB
A. Processing Information C^�
County (or Counties) where the project is located:
Macon

Is this a NCDMS Project
rYes GNo
Is this project a public transportation project?
r Yes r No
la. Type(s) of approval sought from the Corps:
R Section 404 Permit (wetlands, streams and waters, Clean Water Act)
r Section 10 Permit (navigable voters, 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?
® Nationwide Permit (NWP)
❑ Regional General Permit (RGP)
❑ Standard (IP)
1c. Has the NWP or GP number been verified bythe Corps?
r Yes r No
Nationwide Permit (NWP) Number:
Nationwide Permit (NWP) Number:
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
FI 401 Water Quality Certification - Regular
r Non-404 Jurisdictional General Permit
Individual Permit
27 - Restoration
39 - Commercial/Institutional Developments
401 Water Quality Certification - Fpress
❑ Riparian Buffer Authorization
1e. Is this notification solely for the record because written approval is not required?
For the record only for DWR 401 Certification: O Yes G No
For the record only for Corps Permit: O Yes G No
1f. Is this an after -the -fact permit application?*
r Yes G No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes G 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
1 h. Is the project located in any of NC's twenty coastal counties?
r Yes G No
1j. Is the project located in a designated trout watershed?
r Yes 0 No
B. Applicant Information C"
1d. Who is applying for the permit?
❑ Owner W Applicant (other than owner)
1a. Is there an Agent/Consultant for this project?*
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
IDT Properties, LLC
2b. Deed book and page no.:
Q-38/379
2c. Responsible party:
Derek Taylor
2d. Address

Street Address
74 Cherrywood Drive
Address Line 2
ay
Fighlands
Postal / Zip Code
28741
2e. Telephone Number:
[phone]
2g. Email Address:*
[e-mail]
3. Applicant Information (if different from owner)
3a. Name:
IDT Properties, LLC
3b. Business Name:
3c.Address
Street Address
74 Cherryvmod Drive
Address Line 2
CRY
Fighlands
Postal / Zip Code
28741
3d. Telephone Number:
[phone]
3f. Email Address:*
[e-mail]
4. Agent/Consultant (if applicable)
4a. Name:
Andrew Bick
4b. Business Name:
Headwaters Engineering, PC
4c.Address
Street Address
45 Lotus Place
Address Une 2
aty
Asheville
Postal / Zip Aide
28804
4d. Telephone Number:
[phone]
4f. Email Address:*
and rew@h eadvvaters-eng. oom
Agent Authorization Letter*
letter of authorization andrew bick.pdf
State / Rovince / Fa'9ron
NC
0-y
USA
2f. Fax Number:
Sate / Province / tagim
NC
a+ey
USA
3e. Fax Number:
--As / Roam / Pagan
NC
QX+trY
USA
4e. Fax Number:
357.591B
C. Project Information and Prior Project History C^Q
1. Project Information
1b. Subdivision name:
(if apvcpriate)
1c. Nearest municipality/town:
Fighlands
2. Project Identification

2a. Property Identification Number:
7551136435
2b. Property size:
4.38
2c. Project Address
Street Address
74 Cherrywood Drive
Address Line 2
aty
Highlands
Postal / Zip Oxie
28741
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
Big Creek
3b. Water Resources Classification of nearest receiving water:*
WS-II; Tr; HOW
3c. What river basin(s) is your project located in?*
Little Tennessee
3d. Please provide the 12-digit HUC in which the project is located.
060102020201
4. Project Description and History
State / F7ovince / Fbgion
NC
oxr*y
USA
4a. Describe the existing conditions on the site and the general land use 1n the vicinity of the project at the time of this application:*
The project site is located in an area that was impounded by a 10-foot tall dam that created a 0.7-acre pond on Big Creek. The outlet structure failed in 2020 and Big Creek flows
through the remnants of the riser and primary spillway culvert. There is essentially no impoundment at base flow conditions. Big Creek at the project site drains a 90-acre, mostly
forested watershed with high -density commercial land uses immediately upstream and surrounding the project reach.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
d Yes A No O 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)
quad big creek.pdf
432.18KB
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)
20210209_12314512809_29_Soil_Map.pdf 494.7KB
4f. List the total estimated acreage of all existing wetlands on the property:
4g. List the total estimated linear feet of all existing streams on the property:
620
4h. Explain the purpose of the proposed project:*
The purposes of the project are to remove the obsolete dam and primary spillway culvert, restore Big Creek to free -flowing conditions and extend an ebsting culvert at the upstream end
of the former pond in order to eliminate a 3-foot perch that currently ebsts. A secondary purpose is to create more usable space at the upstream end of the former impoundment.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
The project will involve removing the dam and outlet structure/spillway culvert, restoring Big Creek to free -flowing conditions, creating floodplain benches through the remains of the dam
embankment, and extending an ebsting culvert at the upstream end of the project reach using a junction box The ebsting culvert invert is elevated about 3 feet above the downstream
channel. The proposed junction box and culvert extension will allow the grade at the culvert to be lowered to meet the downstream channel in a more stable fashion. A plunge pool and
constructed riffle immediately downstream of the extended culvert will help dissipate flow energy emerging from the culvert. Stream enhancements are proposed elsewhere along the
project reach, including removing mid -channel bars, digging pools and installing grade control through the former dam footprint. Native riparian trees and shrubs will be planted along
the stream banks and floodplain.
Observations at the site indicate that very little sediment deposited in the pond and we do not expect that sediment removal will be a significant part of the project. A detailed
construction sequence is included in the plans and calls for a pump -around flow diversion during in -stream work.
Equipment to be used will include track mounted excavators, dump trucks, pumps and various hand tools. Equipment will cross the stream at the upstream and downstream ends, and
equipment will operate from the top of bank as much as practical.
4j. Please upload project drawings for the proposed project.
big creek dam removal prelim plans 020921.pdf 5.8MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
4 Yes 4 No O Unknown
Comments:
5b. If the Corps made a jurisdictional determination, what type of determination was made?*
0 Preliminary 0 Approved 0 Not Verified 0 Unknown 0 NIA

Corps AID Number:
5c. If Sa is yes, who delineated the jurisdictional areas?
Name (if known):
Agency/Consultant Company:
Other:
5d1. Jurisdictional determination upload
6. Future Project Plans
6a. Is this a phased project?*
O Yes U No
Are anyother 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?
NWP 39 may be appropriate for the culvert extension, unless this can be permitted under NWP27 with the idea being the 50 feet of culvert removal at the dam is being swapped for 50
feet of culvert extension at the upstream end.
D. Proposed Impacts Inventory
1. Impacts Summary
1a. Where are the impacts associated with your project? (check all that apply):
F Wetlands V Streams -tributaries ❑ Buffers
r- Open Waters ❑ Pond Construction
3. Stream Impacts
❑ 3a. Reason for impact (?) 3b.lmpact type * 3c. Type of impact* 3d. S. name * 3e. Stream Type * 3f. Type of 3g. S. width * 3h. Impact
(?) Jurisdiction* length*
Dam removal and stream [e��Oth.r jBigCreek::IPerennialBoth 12::]
restoration Average (feet) (linearfeet)
31. Total jurisdictional ditch impact in square feet:
31. Total permanent stream impacts: 31. Total temporary stream impacts:
490 0
3i. Total stream and ditch impacts:
490
3j. Comments:
The 50-foot culvert extension is included in the impacts.
E. Impact Justification and Mitigation u
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
The project is designed to improve the ecological function of the project reach of Big Creek by removing a dam that likely impounds flood flows,
removing a perched culvert that is causing bed scour at the upstream end of the reach, improving bed form diversity and establishing riparian buffers.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
Stream work will not begin until all materials and equipment necessary to complete the work are on -site and erosion control practices are in place. A
pump -around flow diversion will be used to protect water quality during in -stream construction, and equipment will operate from the top of bank as
much as practical. Construction will be staged such that no more bank is disturbed than can be stabilized by the end of that work day.
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?
O Yes O No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:
The project will improve stream and riparian buffer functions.
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?
6 Yes O No
If no, explain why:
No NC riparian buffer rules apply. A trout buffer waiver request has been initiated with DEMLR.
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
0Yes 0No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
GYes 0No
Comments:
The project will not increase impervious surface area.
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?*
d Yes d No
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 21-1.0500), Isolated Wetland Rules (15A NCAC 21-1.1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)?*
O Yes O No
3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
d Yes O No
3b. If you answered "no," provide a short narrative description.
The project will be a discrete ecological improvement effort.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
10Yes 0No0NIA
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
Sa. Will this project occur in or near an area with federally protected species or habitat?*
IS Yes d No
5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
d Yes O No
5d. Is another Federal agency involved?*
O Yes 0 No O Unknown
5e. Is this a DOT project located within Division's 1-8?
0Yes ONo
5f. Will you cut anytrees in order to conduct the work in waters of the U.S.?
0Yes 0No
5g. Does this project involve bridge maintenance or removal?
0Yes ONo
Sh. Does this project involve the construction/installation of a wind turbine(s)?*
0Yes 0No
51. 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.?
0Yes ONo
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
We consulted the USFWS website and note several T&E plant species ebst in Macon County, but land disturbances will be limited to formerly
impounded areas where species are unlikely to be present.

Consultation Documentation Upload
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
0 Yes 0 No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
NOAA fisheries website
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?*
O Yes 0 No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
We consulted the NC SHPO website and noted MA0472 (the Deare-Dewey house) several thousand feet west of the site, which would not be impacted
by the project.
7c. Historic or Prehistoric Information Upload
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA designated 100-year floodplain?
0 Yes 49 No
8c. What source(s) did you use to make the floodplain determination?*
NC FRIS website
Miscellaneous V
Comments
Supplemental data and photos are attached.
Miscellaneous attachments not previously requested.
SUPPORTING DATA.pdf
1.55MB
Signature C^1
® 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:
Andrew Bick
Signature
Date
2/9/2021

Department of the Army
Wilmington District, Corps of Engineers
Attn: David Brown
151 Patton Avenue #208
Asheville, NC 28801
-and-
NC DWR, 401 and Buffer Permitting Unit
Attn: Paul Wojoski
512 North Salisbury Street
Raleigh, North Carolina 27604
I, the current landowner/managing partner of the property identified below, hereby authorize Andrew
Bick of Headwaters Engineering, PC to act on my behalf as my agent during the processing of
jurisdictional determination requests and permits to impact Wetlands and Water of the US subject to
Federal jurisdiction under Section 404 of the Clean Water Act and/or Section 10 of the Rivers and
Harbors Act of 1899. Andrew Bick is authorized to provide supplemental information as needed at
the request of the USACE or DWR.
Additionally, I authorize representatives of the Wilmington District, US Army Corps of Engineers to
enter upon the property herein described for the purposes of conducting onsite investigations and
issuing a determination associated with Wetlands and Waters of the US subject to Federal jurisdiction
under Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899.
One property owner of record must accompany any said representative when the onsite investigation
is conducted.
Property Owner of Record: IDT Properties, LLC; Derek Taylor
Property Owner Address: PO Box 400, Highlands, NC 28741
Phone Number: 828-200-9226
Email address: derekkhighlandsdecoratinp.com
Property Location:
Owner/Managing par
Owner/Managing prii
Date:

Big Creek Dam Removal and Restoration Project
Excerpt from USGS Highlands Quadrangle Map, 2019
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301680
35o 5' 22" N
35o 5' 16" N
Soil Map —Macon County, North Carolina
(Big Creek Dam Removal and Restoration)
301710 301740 301770 301800 301830 301860
301680 301710 301740 301770 301800 301830
0 Map Scale: 1:1,270 if printed on A landscape (11" x 8.5") sheet.
Meters
N 0 15 30 60 90
Feet
0 50 100 200 300
Map projection: Web Mercator Conermordinates: WGS84 Edge tics: UTM Zone 17N WGS84
USDA Natural Resources Web Soil Survey
Conservation Service National Cooperative Soil Survey
301890 301920
301860 301890 301920
O
0
301950
35o 522" N
35o 516" N
301950
b
b
m
2/9/2021
Pagel of 3

MAP LEGEND
Area of Interest (AOI)
0
Area of Interest (AOI)
Soils
Soil Map Unit Polygons
Soil Map Unit Lines
Soil Map Unit Points
Special
Point Features
Blowout
Borrow Pit
Clay Spot
Closed Depression
Gravel Pit
Gravelly Spot
0
Landfill
A.
Lava Flow
Marsh or swamp
Mine or Quarry
Miscellaneous Water
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spot
Sinkhole
Slide or Slip
o
Sodic Spot
Soil Map —Macon County, North Carolina
(Big Creek Dam Removal and Restoration)
MAP INFORMATION
Spoil Area
The soil surveys that comprise your AOI were mapped at
1:12,000.
Stony Spot
th
Very Stony Spot
Warning: Soil Map may not be valid at this scale.
Wet Spot
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil
4�
Other
line placement. The maps do not show the small areas of
Special Line Features
contrasting soils that could have been shown at a more detailed
scale.
Water Features
Streams and Canals
Please rely on the bar scale on each map sheet for map
measurements.
Transportation
—
Rails
Source of Map: Natural Resources Conservation Service
Web Soil Survey URL:
. 0
Interstate Highways
Coordinate System: Web Mercator (EPSG:3857)
US Routes
Maps from the Web Soil Survey are based on the Web Mercator
Major Roads
projection, which preserves direction and shape but distorts
distance and area. A projection that preserves area, such as the
Local Roads
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
Background
Aerial Photography
This product is generated from the USDA-NRCS certified data as
of the version date(s) listed below.
Soil Survey Area: Macon County, North Carolina
Survey Area Data: Version 17, Jun 4, 2020
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date(s) aerial images were photographed: Sep 22, 2019—Dec
20, 2019
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
USDA Natural Resources Web Soil Survey 2/9/2021
Conservation Service National Cooperative Soil Survey Page 2 of 3

Soil Map —Macon County, North Carolina
Big Creek Dam Removal and
Restoration
Map Unit Legend
Map Unit Symbol
Map Unit Name
Acres in AOI
Percent of AOI
CuD
Cullasaja-Tuckasegee
complex, 15 to 30 percent
slopes, stony
0.2
2.7%
EdC
Edneyville-Chestnut complex,
8 to 15 percent slopes, stony
0.3
3.4%
EdD
Edneyville-Chestnut complex,
high precipitation, 15 to 30
percent slopes, stony
1.0
12.2%
Ud
Udorthents, loamy
5.7
69.3%
W
Water
1.0
12.4%
Totals for Area of Interest
8.2
100.0%
USDA Natural Resources Web Soil Survey 2/9/2021
Conservation Service National Cooperative Soil Survey Page 3 of 3

CONSTRUCTION PLANS
DAM REMOVAL AND STREAM RESTORATION
ON BIG CREEK
MACON COUNTY, NORTH CAROLINA
LIST OF SHEETS r
I �I
1. TITLE
2. NOTES AND LEGEND
3. E&S PLAN
4. PLAN AND PROFILE
5. TYPICAL SECTIONS
6. STRUCTURE DETAILS
7. E&S DETAILS `
0
8. PLANTING DETAILS
PRELIMINARY PLANS
NOT FOR CONSTRUCTION
PROJECT SITE
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DATE: FEB.2021
SCALE: ASS
TITLE
SHEET 1 OF 8

EXISTING
MINOR CONTOUR (1')
MAJOR CONTOUR (10')
CULVERT / STORM DRAIN
TOP OF BANK, APPROX.
TROUT BUFFER
EDGE OF ROAD/DRIVEWAY
PARCEL
GENERAL NOTES:
LEGEND
PROPOSED
STREAM CENTERLINE
TOP OF BANK
CONTOUR
PLANTED BUFFER
CONSTRUCTED RIFFLE
SILT FENCE
LIMITS OF DISTURBANCE
TEMP. CONSTRUCTION
ENTRANCE/EXIT; NCDEQ STD.
PRACTICE 6.06
TEMP. ROCK DOUGHNUT
INLET PROTECTION; NCDEQ
STD. PRACTICE 6.54
EXISTING 1-FOOT CONTOURS DEVELOPED FROM 2016/17 BARE EARTH LiDAR DATA OBTAINED FROM NC ONEMAP. DATUM IS NAD 83.
5+00
- sF - SF - SF - SF - ,F - SF -
0000
0
2. EROSION AND SEDIMENT CONTROL PRACTICES MUST BE INSTALLED, INSPECTED AND MAINTAINED IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS.
3. ALL EQUIPMENT MUST BE CLEANED REGULARLY AND MAINTAINED TO BE FREE OF FUEL, OIL AND LUBRICANT LEAKS.
4. FUELING SHALL BE PERFORMED AT LEAST 100 FEET FROM FLOWING WATER.
PRELIMINARY PLANS
NOT FOR CONSTRUCTION
5. THE CONTRACTOR SHALL PROTECT SITE FEATURES BEYOND THE LIMITS OF DISTURBANCE. CONTRACTOR SHALL REPAIR ANY DAMAGE TO SITE FEATURES TO PRE -PROJECT CONDITIONS.
6. WORK SHALL BE STAGED SUCH THAT NO MORE STREAM BANK IS DISTURBED THAN CAN BE STABILIZED WITH SEED, MULCH AND MATTING AT THE END OF EACH WORKDAY.
7. DISTURBED UPLAND AREAS MUST BE STABILIZED WITH SEED AND MULCH WITHIN 7 DAYS OF REACHING FINAL GRADES.
8. STOCKPLING SHALL NOT BE PERMITTED WITHIN THE TROUT BUFFER. SILT FENCE SHALL BE INSTALLED ON THE STREAM SIDE OF ANY STOCKPILES.
CONSTRUCTION SEQUENCE:
1. INSTALL ROCK DOUGHNUT INLET PROTECTION AROUND REMAINS OF RISER/BARREL STRUCTURE.
2. USE PUMP -AROUND TO DIVERT STREAM FLOW AROUND UPSTREAM CULVERT. PERFORM GRADING TO INSTALL JUNCTION BOX AND CULVERT EXTENSION.
3. PERFORM CHANNEL GRADING FROM CULVERT TO STA. 2+50 AND INSTALL CONSTRUCTED RIFFLE. STABILIZE STREAM BANKS WITH EROSION CONTROL MATTING.
4. DISMANTLE PUMP -AROUND AFTER CULVERT EXTENSION INSTALLATION AND STREAM GRADING DOWNSTREAM TO STA. 2+50 ARE COMPLETE. RETURN FLOW TO NEW EXTENDED CULVERTAND
CHANNEL.
5. CONCURRENTLY WITH UPSTREAM WORK, EXCAVATE DAM TO DESIGN GRADES, MAINTAINING FLOW IN THE RISER/BARREL UNTIL GRADING REACHES THE TOP OF THE BARREL PIPE. HAUL
SUITABLE MATERIAL TO UPSTREAM END FOR USE AS BACKFILL AROUND THE CULVERT EXTENSION. INSTALL SILT FENCES, WATTLES OR OTHER PRACTICES AS NEEDED TO PREVENT SOIL
GENERATED DURING DAM REMOVAL FROM ENTERING THE STREAM.
6. EQUIPMENT FOR BACKFILLING AROUND THE CULVERT EXTENSION SHALL OPERATE FROM THE TOP OF BANK. INSTALL SILT FENCES, WATTLES OR OTHER PRACTICES DOWNSLOPE OF THE
BACKFILLING OPERATION TO PREVENT SOIL FROM ENTERING THE STREAM. EXCESS EXCAVATED SOIL SHALL BE DISPOSED NEAR THE STAGING AREAAND STABILIZED WITH SEED AND MULCH.
7. USE PUMP -AROUND TO DIVERT FLOW AROUND DAM FOOTPRINT. REMOVE ROCK DOUGHNUT AND BARREL PIPE, GRADE CHANNEL/FLOODPLAIN BENCHES THROUGH DAM AND INSTALL
CONSTRUCTED RIFFLES. STABILIZE BANKS WITH EROSION CONTROL MATTING.
8. DISMANTLE PUMP -AROUND AND RETURN FLOW TO THE RESTORED CHANNEL.
9. INSTALL LIVE STAKES ON BANKS AND BARE ROOT TREES AND SHRUBS DURING THE NEXT DORMANT SEASON, GENERALLY DECEMBER THROUGH MARCH.
CONSTRUCTION STORMWATER INSPECTIONS:
1. THE CONTRACTOR IS RESPONSIBLE FOR KEEPING DAILY RECORDS OF RAINFALL EVENTS IN AN ON -SITE PERMIT BOX.
2. EROSION AND SEDIMENT CONTROL PRACTICES MUST BE INSPECTED AT LEAST ONCE PER 7 CALENDAR DAYS AND WITHIN 24 HOURS OF RAINFALL GREATER THAN 0.5 INCH PER 24 HOUR PERIOD.
3. NECESSARY MAINTENANCE OR REPAIRS MUST BE COMPLETED IMMEDIATELY UPON IDENTIFICATION OF THE PROBLEM.
4. EROSION AND SEDIMENT CONTROL CONTACTS DURING CONSTRUCTION: CONTRACTOR TDB; ANDREW BICK, HEADWATERS ENG. 828.606.0306
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DATE: FEB.2021
SCALE: AS SHOWN
NOTES AND
LEGEND
SHEET 2 OF 8

4'.
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LIMITS OF DISTURBANCE = 0.9 ACRE
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PIN 7551136435
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SCALE: AS SHOWN
E&S CONTROL
PLAN
SHEET 3 OF 8

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4005 Mm
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PLUNGE POOL, SEE
TYPICAL SECTION
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VERTICAL: 1" = 10'
HORIZONTAL: 1" = 40'
PLUNGE POOL, SEE
TYPICAL SECTION
REMOVE
MID -CHANNEL BARS
DAM TO BE
REMOVED
1+00 2+00 3+00 4+00
------- EXISTING GROUND AT DESIGN CENTERLINE
DESIGN STREAM BED
PRELIMINARY PLANS
NOT FOR CONSTRUCTION
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DATE: FEB.2021
SCALE: AS SHOWN
PLAN AND
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SHEET 4 OF 8

NOTES
SEED, MATTING, LIVE STAKES,
TYP BOTH BANKS
2.0' �j — ----� 1
~� 3
I I 2.0'
TYPICAL SECTION
5 POOL
1.0
5.0' 2 (TYP)
3 TYPICAL SECTION
5 RIFFLE
LEGEND
EXISTING
PROPOSED
SEED, MATTING, LIVE STAKES,
TYP BOTH BANKS
SEED, MATTING, LIVE STAKES,
TYP BOTH BANKS
CREST OF DAM EL.
4015.0' +/-�
SEED, MATTING, LIVE STAKES,
TYP BOTH BANKS
5.0'
1. TYPICAL SECTIONS DRAWN LOOKING DOWNSTREAM. PRELIMINARY PLANS
2. BANKS AND GRADED SLOPES SHALL BE ROUGHENED NOT FOR CONSTRUCTION
PERPENDICULAR TO SLOPE, COVERED WITH 3" LAYER O
SEEDED, MULCHED AND MATTED WITH 780 G/MZ COIR FIBER MATTING.
3. BANKS SHALL BE LIVE STAKED AT 3' O.C. DURING THE DORMANT
SEASON FOLLOWING GRADING.
4. PLANT TREES AND SHRUBS ALONG TOP OF BANK AS SPACE PERMITS.
SEE SHEET 8 FOR SPECIES AND SPACING.
NEW 48" CMP
1 3.0' 1
2 + 2
3.0'
2 TYPICAL SECTION
5 PLUNGE POOL D/S CULVERT
SEED, BARE ROOTS (=
�1
2 (TYP)
4 TYPICAL SECTION
5 RIFFLE THROUGH DAM
11
10 (TYP)
/ 2.5 (TYP)
10 15
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DATE: FEB.2021
SCALE: ASS
TYPICAL
SECTIONS

FINISHED GRADE;
SEED AND MULCH
12" MIN. COVER
48" CMP
6 BEDDING SAND
OR GRAVEL
LOOSELY PLACED
MIDDLE 1/3
COMPACTED TO
90% SPD ON SIDES
INV. IN EXIST.
48" CMP = 4012.5'
FINAL BACKFILL,
COMPACTED SUITABLE
ON -SITE SOILS PER
DIRECTION OF ENGINEER
i
INITIAL BACKFILL,
SAND OR GRAVEL
COMPACTED TO
90% SPD
SUITABLE FOUNDATION SOILS
80" MIN.
CULVERT TRENCH
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^r)TIONAI
NHOLE
INV. OUT PROP.
48" CMP = 4009.2'
3 CONCRETE JUNCTION BOX
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SEE PLAN i J
A
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A
MIX OFPLASS 1 RIPRAP
AND ON -SITE COBBLE
13
PLAN SCARIFY SUBGRADE
PRIOR TO STONE PLACEMENT
2 CONSTRUCTED RIFFLE
6
_j NTS
6' � � 8"
SIDE VIEW
NOTES FOR CONCRETE STRUCTURES
CONCRETE: CLASS II CONCRETE WITH OF
DESIGN STRENGTH OF 4500 PSI
AT 28 DAYS.
Q
PRELIMINARY PLANS
NOT FOR CONSTRUCTION
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12'-6"
FRONT VIEW
4 CONCRETE HEADWALL
6 NTS
REINFORCEMENT: GRADE 60 REINFORCED. NO. 4 STEEL REBAR TO CONFORM TO
ASTM A615 ON REQUIRED CENTERS. BAR BENDING AND
PLACEMENT SHALL WITH THE LATEST ACI STANDARDS.
N.
12"
DATE: FEB.2021
SCALE: AS!
STRUCTURE
DETAILS
SHEET 6 OF 10

PRELIMINARY PLANS
NOT FOR CONSTRUCTION
TOP OF BANK
1' MIN.
MATTING SHALL BE
780 G/MZ COIR
REMOVE ALL DEBRIS,
SCARIFY SURFACE, PLACE
TOPSOIL AND SEED/MULCH
BEFORE PLACING MATTING
MATTING PLACED FLUSH WITH BANK
SURFACE, LAP OVER DOWN STREAM /
DOWN SLOPE SEAMS
12" WOOD STAKE PLACED IN
3' O.C. DIAMOND PATTERN
MATTING ANCHORED 1'
BELOW STREAM BED
1 EROSION CONTROL MATTING
7 NTS
41)11 1 nvCo c7 OT!\AIC
L--------------- ---------------------------------
REMNANTS OF EXIST. ;
RISER/BARREL'
ROCK DOUGHNUT INLET PROTECTION
NTS
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NON -WOVEN SILT BAG
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CLASS A STONE AS NEEDED TO
PREVENT EROSION SILT BAG ON STONE PADF,
DEWATERING PUMP ,,,,""""--,,,,,`�
AS NEEDED SEE DETAIL ABOVE; USE Sj
ONLY IF DISCHARGE IS..............
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SAND BAGS W/ PLASTIC TURBID
SHEETING
PROTECT EXIST.
BANK VEGETATION
FOR ADD'L FILTER
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SIZED FOR BASE BED AREA t
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N PLACE ON TOP Q a � z
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3 PUMP -AROUND SCHEMATIC DATE: FEB.2021
7 NTS SCALE: AS SHOWN
E&S CONTROL
DETAILS

RIPARIAN SEED MIX - APPLIED TO STREAM BANKS AND BUFFERS
Seeding Rate = 20 lb/acre
Mulching: wheat or oat straw mulch applied at 2 tons/acre
Common Name
Scientific Name
Percentage
Indiangrass
Sorghastrum nutans
20
Big Bluestem
Andropogon gerardi
20
Virginia Wildrye
Elymus virginicus
20
Soft Rush
Juncus effusus
20
Beaked Panicgrass
Panicum anceps
10
Fox Sedge
Carex vulpinoidea
10
DISTURBED LAWN AREAS BEYOND BUFFERS:
Tall Fescue Mix at 25 lb/acre
Mulched at same rate as other areas
TEMPORARY SEED MIX
Rate (lb/acre)
Rate (lb/acre) Applied
Application Dates
Common Name
Scientific Name
Applied
w/ Riparian Mix
Separately
August 15 to May 1
Rye Grain
Secale cereale
120
60
May 1 to August 15
FBrwntop Millet
Panicum ramosum
40
20
SEED MIXES AND
8 BUFFER PLANTING
TREE AND SHRUB PLANTING (BARE ROOT OR 1 GAL)
COMMON NAME
SCIENTIFIC NAME
SPACING
(FEET)
River Birch
Betula nigra
12-18
Sycamore
Platanus occidentalis
12-18
Tag Alder
Alnus serrulata
8-12
Ninebark
Physocarpus opulifolius
8-12
Witch -hazel
Hamamelis virginiana
8-12
Pawpaw
Asimina triloba
12-18
Bitternut Hickory
Carya cardiformis
12-18
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TOP CUT AT 15'
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FILTER FABRIC
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INSTALLATION
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NOTES:
II-III=III III=III - -_ =
LIVE STAKE I-I�I II—III—III—III—III=III=�
1/2" TO 2"
1.
SILT FENCE SHALL BE PLACED ON STREAM SIDE
Z �
OF ALL STOCKPILES.
0 O a
3 NODES MIN.
SECTION
2.
SILT FENCE SHALL BE REMOVED UPON
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SECTION
3.
WIRE BACKING SHALL BE 14 GAUGE WITH
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BASE CUT
MAXIMUM MESH SPACING OF 6".
O W 0 Z
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4.
IMMEDIATELY REPLACE DAMAGED FABRIC.
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5.
REMOVE ACCUMULATED SEDIMENT BEFORE HALF
W Q J
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OF THE SILT FENCE CAPACITY IS REACHED.
W
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LIVE STAKE
DETAIL
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LIVE STAKE NOTES:
3 SILT FENCE
co
. FORM PILOT HOLE THROUGH HARD SOIL OR STONE TO
DATE: FEB. 2021
PREVENT DAMAGE TO STAKE.
$
NTS
SCALE: AS SHOWN
2. LIVE STAKE MIX TO INCLUDE AT LEAST TWO OF THE FOLLOWING
SPECIES: SILKY DOGWOOD, SILKY WILLOW, ELDERBERRY,
NINEBARK, BUTTONBUSH.
PLANTING
3. LIVE STAKING SHALL BE DONE DURING THE DORMANT SEASON.
PRELIMINARY PLANS
DETAILS
NOT FOR CONSTRUCTION
SHEET 8 OF 8

SUPPORTING DATA
BIG CREEK DAM REMOVAL AND RESTORATION
MACON COUNTY, NC
Prepared By:
4L
HEADWATERS
ENGINEERING

Ak
HEADWATERS
ENGINEERING
Site Photographs- Big Creek Dam Removal and Restoration
Perched culvert at upstream end
Looking

Ak
HEADWATERS
ENGINEERING
Site Photographs- Big Creek Dam Removal and Restoration
Looking upstream at remnants of riser and primary spillway culvert
Looking upstream from dam crest

4
HEADWATERS
ENGINEERING
Site Photographs- Big Creek Dam Removal and Restoration
Aerial view of project reach, looking downstream
Mid -channel bar to be removed, looking downstream near Sta. 2+20

4014
4013
4012
4011
4010
0
m 4009
0
w 4008
4007
4006
4005
Big Creek
gybed water srf tbankfull a x-section o riffle crest • pool ■ run a glide x Tot + — - --
0 50 100 150 200 250 300 350 400 450 500
Channel Distance (ft)
slope (% ) slope ratio length (ft) length ratio pool -pool spacing (ft) p-p ratio
reach 12 --- 456.6 (49.6 channel widths) --- --- ---

4013.0
4012.0
4011.0
c
4010.0
w 4009.0
4008.0
4007.0
4006.0
0 10
Bankfull Dimensions
MID REACH POOL
20 30 40 50
Width
3.6
x-section area (ft.sq.)
7.9
width (ft)
0.5
mean depth (ft)
1.1
max depth (ft)
8.3
wetted parimeter (ft)
0.4
hyd radi (ft)
17.1
width -depth ratio
Bankfull
Flow
Flood Dimensions
5.3 entrenchment ratio
--- low bank height (ft)
--- low bank height ratio
Flow Resistance
N
70 80 90
Materials
31 D50 Riffle (mm)
56 D84 Riffle (mm)
16 threshold grain size (mm):
Forces & Power
2.3 velocity (ft/s) 0.040 Manning's roughness 1.2 channel slope (%)
8.5 discharge rate (cfs) 0.25 D'Arcy-Weisbach fric. 0.33 shear stress (lb/sq.ft.)
0.63 Froude number 5.7 resistance factor u/u* 0.41 shear velocity (ft/s)
2.5 relative roughness 0.81 unit strm power (lb/ft/s)

c
0
a)
w
4012.5
4012
4011.5
4011
4010.5
4010
4009.5
4009
4008.5
4008
0 10
Bankfull Dimensions
5.2
x-section area (ft.sq.)
12.0
width (ft)
0.4
mean depth (ft)
0.8
max depth (ft)
12.4
wetted parimeter (ft)
0.4
hyd radi (ft)
27.9
width -depth ratio
Bankfull Flow
2.3 velocity (ft/s)
11.8 discharge rate (cfs)
0.62 Froude number
MID REACH RIFFLE
20 30
40 50
60
70
Width
Flood Dimensions
Materials
306.0
W flood prone area (ft)
31
D50 Riffle (mm)
25.5
entrenchment ratio
56
D84 Riffle (mm)
---
low bank height (ft)
15
threshold grain size (mm):
---
low bank height ratio
Flow Resistance
Forces &
Power
0.040
Manning's roughness
1.2
channel slope (%)
0.25
D'Arcy-Weisbach fric.
0.31
shear stress (lb/sq.ft.)
5.5
resistance factor u/u*
0.40
shear velocity (ft/s)
2.3
relative roughness
0.74
unit strm power (lb/ft/s)
:e

w
4012
4011
4010
4009
4008
4007
4006
0 10
Bankfull Dimensions
3.9
x-section area (ft.sq.)
12.3
width (ft)
0.3
mean depth (ft)
0.5
max depth (ft)
12.3
wetted parimeter (ft)
0.3
hyd radi (ft)
38.7
width -depth ratio
Bankfull
Flow
1.9 velocity (ft/s)
7.4 discharge rate (cfs)
0.59 Froude number
Big Creek, Run
20 30
40 50
60
70
Width
Flood Dimensions
Materials
88.0
W flood prone area (ft)
31
D50 Riffle (mm)
7.2
entrenchment ratio
56
D84 Riffle (mm)
---
low bank height (ft)
12
threshold grain size (mm):
---
low bank height ratio
Flow Resistance
Forces &
Power
0.040
Manning's roughness
1.2
channel slope (%)
0.27
D'Arcy-Weisbach fric.
0.24
shear stress (lb/sq.ft.)
4.6
resistance factor u/u*
0.35
shear velocity (ft/s)
1.7
relative roughness
0.45
unit strm power (lb/ft/s)

Riffle Surface Pebble Count, Big Creek
cumulative %
# of particles
100% silt/claysand
ravel
cobble
boulder
16
90%
14
— —
— — — —
80%
— — — — — — — —
— — — — — —
12
70%
`m
10
60%
3
m
50%
8
0
a�
U
p
Q
40%
6
0
30%cn
4
20%
10%
2
0%
0
0.01 0.1
1 10
100
1000
10000
particle size (mm)
Size (mm)
Size Distribution
Type
D16 11
mean 24.8
silt/clay
0%
bedrock
3%
D35 23
dispersion 2.3
sand
8%
D50 31
skewness -0.11
gravel
83%
D65 42
cobble
6%
D84 56
boulder
0%
D95 69
I
I
I
I
I
I
I
I
I
I
I
I

TYPICAL SECTION DESIGN
Regional Curve Estimate - Big Creek at Dam
Area Calculation Riffle
DA (sq. mi.)
0.140
NC Mountains (area)
5.7
Right Bank Slope, x:1
2
NC Mountains (discharge)
22.6
Left Bank Slope, x:1
2
2 Max Depth (ft)
1
NC rural Piedmont (area)
5.6
Bottom Width (ft)
5
NC rural Piedmont (discharge)
21.6
Area
7
Bankfull Width (ft)
9
USGS 2 year discharge
Bankfull Depth (ft)
0.78
NC Hydro Region 2
24
W/D ratio
11.57
Discharge Calculation overall reach
Q = 1.49/n R2/3 s1/2 A
WP (ft)
9.472136
R (ft)
0.73901
design slope
0.012
from existing tw
Channel n
0.04
Q (cfs)
23
pebble count:
yRs =
0.55 psf
d84 = 56 mm
largest particle from Shields =
98 mm
(Rosgen Data)
d95 = 69 mm
3.9 in.
Area Calculation Pool
4 Left Bank Slope, x:1
2
6 Right Bank Slope, x:1
3
width ratio = 1.33
Max Depth (ft)
2
depth ratio = 2.57
Bottom Width (ft)
2
area ratio = 2.00
Area
14
Bankfull Width (ft)
12
width at base flow 7
pt bar to o/s
5
outside bank tob o/s
7
90 ac

ID#* 20202034
Version* 1
Regional Office * Asheville Regional Office - [phone]
Reviewer List* Kaylie Yankura
Pre -Filing Meeting Request submitted 12/30/2020
Contact Name* Andrew Bick
Contact Email Address* [e-mail]
Project Name* Big Creek Dam Removal and Restoration
Project Owner* IDT Properties, LLC (Derek Taylor)
Project County* Macon
Owner Address: Street Address
74 Cherrywood Drive
Address Line 2
aty State / Province / Pegion
Highlands NC
Postal / Zip axle Country
28741 USA
Is this a transportation project?* r Yes (' No
Type(s) of approval sought from the DWR:
* 401 Water Quality Certification - F 401 Water Quality Certification -
Regular Express
* Individual Permit F Modification
F Shoreline Stabilization
Does this project have an existing project ID#?*
C Yes (-- No
Do you know the name of the staff member you would like to request a meeting with?
Andrew Moore
Please give a brief project description below.*
The project will involve removing a 10-foot tall dam to remove an
impoundment on a 400-LF reach of Big Creek near its headwaters.
The dam outlet structure failed earlier in 2020 and the owner wnuld
prefer to remove the dam rather than repair the outlet structure. He
would like to extend an eAsting 48-inch culvert at the inlet to the pond
by 50 LF as a tradeoff for removing the dam and outlet culvert.

Please give a couple of dates you are available for a meeting.
1 /8/2021
1 /15/2021
Please attach the documentation you would like to have the meeting about.
big creek dam removal prelim plans 123020.pdf 856.96KB
pdf only
By digitally signing below, I certify that I have read and understood that per the Federal Clean Water Act Section
401 Certification Rule the following statements:
This form completes the requirement of the Pre -Filing Meeting Request in the Clean Water Act Section 401 Certification
Rule.
1 understand by signing this form that I cannot submit my application until 30 calendar days after this pre -filing
meeting request.
1 also understand that DWR is not required to respond or grant the meeting request.
Your project's thirty -day clock started upon receipt of this application. You will receive notification regarding meeting location
and time if a meeting is necessary. You will receive notification when the thirty -day clock has expired, and you can submit an
application.
Signature
Submittal Date 12/30/2020