20211271 Ver 1_More Information Received_20221105 (2)

KL E/NFEL OER
Bright People. Right Solutions.
November 5, 2021
Kleinfelder File No.: CLT21 L132749
Kyle W. Barnes
U.S. Army Corps of Engineers -Wilmington District
69 Darlington Ave
Wilmington, NC 28403
Via e-mail: Kyle. W.Bames(aD_usace.armV.mil
SUBJECT: Pine Gate Renewables, Phobos Solar, LLC Phase II
Nash County, North Carolina
Request for Additional Information
Mr. Barnes,
On August 23, 2021, Kleinfelder submitted a Pre -Construction Notification (PCN) to the U.S. Army
Corps of Engineers (USACE) on behalf of Pine Gate Renewables (the applicant) for the proposed
Phobos Solar, LLC Phase II project (the Project) for authorization under Nationwide Permit 51 for
Land -based Renewable Energy. The Project consists of a proposed solar renewable energy
facility located on a 1,063.3-acre property in Middlesex, Nash County, North Carolina
(Attachment A). This letter follows the request for additional information (RAI) received on
September 23, 2021, from your office regarding the referenced Project.
As identified in the PCN submittal, fencing is to be installed along the perimeter of the solar array
footprint within the property boundary in order to provide site security. Permanent impacts to
wetlands and streams will be limited to areas where fence installation is proposed. The Project
proposes to install fencing perpendicular to five (5) wetland and stream crossings within the
property (Attachment B). Other alternatives proposed for the solar array and fence installation
were evaluated during site design planning and resulted in an increased number of impacts to
natural resources within the property. The preferred Project was selected as it proposed
perpendicular crossings in narrow sections of on -site wetlands, streams, and riparian buffers to
minimize the number of impacts to natural resources and subsequently reduce construction costs
for the fence installation.
For each proposed fence crossing, the applicant will mechanically clear trees and shrubs within
a 10-foot-wide corridor (impact area) in order to provide clearance for the fence installation
equipment. Root systems from the cleared trees and shrubs will remain intact and no herbicides
will be used. Matting will be placed within the impact area during project construction to prevent
further disturbance to the herbaceous and soil layers and temporary silt fence and hay bales will
be installed along the impact area limits to prevent sedimentation downstream.
The majority of the installed fencing will sit at ground level, except for the fence posts which will
be installed approximately 2 — 4 feet subsurface and stabilized by concrete foundations
20213143.001A / CLT21 L132749 Page 1 of 2 November 5, 2021
© 2021 Kleinfelder www.kleinfelder.com
KLEINFELDER 9009 Perimeter Woods Dr. Suite E, Charlotte NC, 28216 p 1704.598.1049

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�. Bright People. Right Solutions.
approximately 1 foot in diameter (Attachment C). Fence posts will be installed along the stream
banks and outside of the ordinary high-water mark (OHWM) and the pre -construction elevations
will be maintained. Fencing will be installed above the stream channels as not to obstruct
downstream flow.
Following the fence installation, tree and shrubs within the 10-foot-wide fence corridors will be
mechanically removed as -needed to maintain the structural integrity of the fencing over the life of
the solar project. No herbicide use is proposed and existing root systems and herbaceous
vegetation within the fence corridors will be preserved in order to maintain soil stability in the area.
The PCN submitted on August 23, 2021 was additionally provided to the North Carolina
Department of Environmental Quality (NCDEQ) for approval of a Section 401 Water Quality
Certification and Riparian Buffer Authorization. Land disturbance actions associated with the
fence installation will be conducted in accordance with NCDEQ standards. A 50-foot vegetative
buffer will be maintained with temporary silt fencing around all undisturbed wetlands and streams
and all temporary erosion control measures will be maintained in proper working condition during
the entirety of Project construction. In areas where a 50-foot buffer cannot be maintained or is
proposed to be impacted, a double row of silt fence will be installed where a 10-foot buffer will be
maintained between the last row of silt fence and the undisturbed wetlands and/or streams.
Should you have any questions please do not hesitate to contact me at 443-618-0066 or at
dsank�kleinfelder.com.
Regards,
KLEINFELDER, INC.
T�CfYLI��
Danielle Sank
Project Professional / Ecologist
CC. James Froelicher, Pine Gate Renewables
Garrett Otten, Kleinfelder
Enclosed.
Attachment A: Project Location Map
Attachment B: Wetland and Stream Impact (Overview and Detail) Maps
Attachment C: Site Design Plans — Fence Plan Sheet
20213143.001A / CLT21 L132749 Page 2 of 2 November 5, 2021
© 2021 Kleinfelder www.kleinfelder.com
KLEINFELDER 9009 Perimeter Woods Dr. Suite E, Charlotte NC, 28216 p 1704.598.1049

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PROJECT NO. 20213143.001A
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FILE NAME:
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Nash County, NC

ATTACHMENT B

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PROJECT NO. 20213143.001A
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FILE NAME:
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PROJECT N0.20213143.001F
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notice. Klein elder makes no representations or warranties,expressed
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design document. The use or misuse of the information contained CHECKED BY: GO
on this graphic representation is at the sole risk of the parry using or
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FILE NAME:
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Wetland and Stream FIGURE
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Bright People. Right Solutions.
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