20220033 Ver 1_More Info Received_20220401

Strickland, Bev
From: John Butler <[e-mail]>
Sent: Friday, April 1, 2022 11:58 AM
To: Homewood, Sue
Cc: [e-mail]
Subject: RE: [External] RE: Pilot Project 5249 - Cude Road
Attachments: SAW-2022-00037-11X17 Exhibit Drawings - REVISED 4-1-22.pdf; Dillon Ridge
Subdivision Cover Letter-4-1-22.pdf
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Sue,
I have attached revised exhibit drawings and the revised narrative for SAW-2022-00037 Dillon Ridge Subdivision. Thanks
for calling me this morning to discuss. Sorry this took so long to get back to you guys the COG comments had a
significant impact on the road grades and thus the potential environmental impacts. Revisions include moving the wet
pond away from the wetlands and adding a wall in the pond dam to minimize the footprint, the addition of a small 110 SF
impact due to roadway profile requirements, and the revised narrative. If I need to upload this as an addendum to the
PCN website please let me know.
Thanks,
John A. Butler
CPT Engineering, Inc.
4400 Tyning Street
High Point, NC 27265
[phone] ext 321
[phone] fax
From: Homewood, Sue[mailto:[e-mail]]
Sent: Friday, March 04, 2022 10:30 AM
To: John Butler
Cc: [e-mail]
Subject: RE: [External] RE: Pilot Project 5249 - Cude Road
Hello John,
I apologize if my below email was unclear. I am considering the project "on hold" until I receive more information
regarding alternative stormwater control measures which could provide further avoidance and minimization of impacts.
In addition, please be aware that as a result of new 401 Certifications effective on Feb 25, 2022, this project will require
an Individual Certification. No additional action is necessary by you, however pursuant to our regulations (15A NCAC
02H .0503) we are required to put the project out to public notice for 30 days. I will be unable to finalize any decision
until the public notice period has completed. I hope that the notice will go out within a few days.
i

Thanks,
Sue Homewood
Division of Water Resources, Winston Salem Regional Office
Department of Environmental Quality
336 776 9693 office
336 813 1863 mobile
[e-mail]
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
From: Homewood, Sue
Sent: Tuesday, February 22, 2022 4:44 PM
To: John Butler <[e-mail]>
Cc: [e-mail]
Subject: RE: [External] RE: Pilot Project 5249 - Cude Road
Thank you John,
Your narrative does not discuss the feasibility of stormwater treatment with a different type of SCM that would require
a smaller area. The Stormwater requirements provide multiple types of SCMs and/or SCM in series and LID options that
could provide further wetland avoidance and minimization options.
Sue Homewood
Division of Water Resources, Winston Salem Regional Office
Department of Environmental Quality
336 776 9693 office
336 813 1863 mobile
[e-mail]
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
From: John Butler <[e-mail]>
Sent: Tuesday, February 22, 2022 2:53 PM
To: Homewood, Sue <[e-mail]>
Subject: RE: [External] RE: Pilot Project 5249 - Cude Road
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
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2

Hi Sue,
I just reuploaded this project under a NW 18 through the USACOE ePCn site. I'm not sure if you get copied with a link to
that automatically or not, so here's the same revised documentation attached. Please let me know if you need anything
else.
Thanks!
John A. Butler
CPT Engineering, Inc.
4400 Tyning Street
High Point, NC 27265
[phone] ext 321
[phone] fax
From: Homewood, Sue[mailto:[e-mail]]
Sent: Monday, February 21, 2022 10:38 AM
To: John Butler; [e-mail]
Subject: RE: [External] RE: Pilot Project 5249 - Cude Road
Hi John,
I'm not sure that I saw any updated plans with an updated impact table/amounts. Can you please send me those
sheet(s)/docs
Sue Homewood
Division of Water Resources, Winston Salem Regional Office
Department of Environmental Quality
336 776 9693 office
336 813 1863 mobile
[e-mail]
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
From: John Butler <[e-mail]>
Sent: Monday, February 21, 2022 9:53 AM
To: [e-mail]
Cc: Homewood, Sue <[e-mail]>
Subject: [External] RE: Pilot Project 5249 - Cude Road
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Good morning David,
3

I want to confirm that we can proceed with the application now. When you and I talked you said that we couldn't do a NW
29 but and 18 is possible, so I slid the wet pond on site back to get the impact down. I'm at 0.080 acres. So do I need to
reupload everything under a NW 18 now?
Thanks,
John A. Butler
CPT Engineering, Inc.
4400 Tyning Street
High Point, NC 27265
[phone] ext 321
[phone] fax
From: Bailey, David E CIV USARMY CESAW (USA)[mailto:[e-mail]]
Sent: Friday, February 18, 2022 7:12 AM
To: Michael Brame
Cc: Homewood, Sue; John Butler
Subject: RE: Pilot Project 5249 - Cude Road
All,
The attached map for the Dillon Ridge s/d site (SAW-2022-00037) at 1898 Cude Road in Colfax, Guilford County, appears
to reflect the delineation confirmed during our site visit on 2/8/2022. I will use this map when processing the PJD/PCN
for this site. Please let me know if you have any questions.
-Dave Bailey
David E. Bailey, PWS
Regulatory Project Manager
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Office: [phone], Ext. 30.
Mobile: [phone]
Fax: [phone]
Email: [e-mail]
We would appreciate your feedback on how we are performing our duties. Our automated Customer Service Survey is
located at: https://regulatory.ops.usace.army.mil/customer-service-survey/
Thank you for taking the time to visit this site and complete the survey.
From: Michael Brame <[e-mail]>
Sent: Thursday, February 10, 2022 10:14 AM
To: Bailey, David E CIV USARMY CESAW (USA) <[e-mail]>; Homewood, Sue
<[e-mail]>
Subject: [URL Verdict: Neutral][Non-DoD Source] Pilot Project 5249 - Cude Road
Good Morning David and Sue,
Find attached a wetland verification package for the site you guys are permitting with Chuck Truby and Barry Siegal. I
think you guys have the AA with the PCN Application. Just thought this may help. Have a good day.
4

Sincerely,
Michael T. Brame
336.708-4620 (c)
336.310.4527 (o)
PO Box 128
Kernersville, NC 27285
www.pilotenviro.com
[e-mail]
5

�ngineering & Su rveying', Inc.
4400 Tyning Street • High Point, NC 27265
SAW-2022-00037 Project Narrative:
Phone: [phone] • Fax: [phone]
This site is located at 1898 Cude Road in Colfax, NC. The respective PIN numbers per
Guilford County GIS are identified as 7816182218 and 78116192258. The current land zoning
is R7, rezoned from AG — Agricultural. The site is 43.74 acres total in size, and has
approximately 10.61 acres of farm field, 32.91 acres of woods, and 0.22 acres (9,583 SF) of
existing impervious area.
The two lots will be combined and developed simultaneously as a single family
subdivision. The subdivision will be developed into 143 single family lots in 3 phases. Public
sewer and water will be extended from existing City of Greensboro infrastructure. Public roads
will be built per City of Greensboro standards. Public road and utility infrastructure will be
dedicated to the City at project completion. Upon completion of all phases, the site will have
14.62 acres of new impervious area inclusive of new roadways and sidewalks, and assuming
3,000 SF of built upon area per developed lot.
The site lies within the "Greensboro Watershed" designated watershed area.
Predominate on site soils include Clifford series sandy loam CkB, CkC which are hydrologic
group A, and Poplar Forest series PoC, PoD, PoE which are hydrologic group B. The A group
soils are present in approximately 47% of the drainage area, while the B group soils are present
in the remaining 53%.
This project will require a Preconstruction Notification (PCN) due to both temporary
and permanent impacts to jurisdictional streams and wetlands. A temporary stream impact is
requested to facilitate the construction of the gravity sanitary sewer connection. This impact
will occur when a new sanitary sewer that serves the development is extended by open cut
across an unnamed jurisdictional tributary of Reedy Fork Creek. This impact location is the
only tie in location available for a public gravity sewer extension. The crossing will be made in
a nearly perpendicular manner in order to minimize the impact. The stream banks will be
restored at the completion of the installation per the stream bank restoration details. Since a
temporary sand bag coffer dam with a temporary pump around will be provided to facilitate
quick and efficient construction, there will be no interruption of base stream flow. The sand
bag coffer dams will be removed at the completion of the sewer installation.
A permanent SCM is required by the City of Greensboro on this site due to
development density as well as storm water quality and quantity requirements. There is no one
BMP that is best for every site. Different BMPs are better suited for different aspects of storm
water treatment and control (sediment removal, nutrient removal, and volume control) than
others. Of the possible storm water treatment options presented in the City of Greensboro BMP
manual, biocells and wet detention ponds were the options that were short listed as being
1

potential alternatives for a large site such as this. It was quickly determined that the use of a
single bioretention SCM is not possible. Bioretention is limited to a maximum drainage area of
10 acres per SCM. This project has a drainage area of 44.65 acres, and so would require at
least 5 separate bioretention SCM's. This is not an efficient use of land given current lot
development costs. Additionally the limitations on peak attenuation depth within a bioretention
SCM would require surface area well in excess of what is required to treat the first 1" runoff
volume in order to meet the City of Greensboro's pre/post construction storm water runoff
1/2/10 year storm event quantity control requirements. The maintenance requirements of
biocells also make them a poor choice due to the periodic media and sod replacement
necessitated by frequent clogging which would become the responsibility of the homeowner's
association.
We are requesting a permanent 0.06593 acre (2,872 SF) wetlands impact to facilitate a
new storm water wet detention pond constructed on site. The pond will be located at the
natural low elevation area of the development in order to facilitate efficient storm drainage
design, minimize grading requirements on site, and provide an efficient erosion control design.
The wetlands impact will occur due to earthen fill being placed for the wet pond's dam.
We have minimized the impact area by providing a reinforced concrete retaining wall at the
pond's outlet pipe. We have also shifted the pond footprint away from the wetlands area by
greatly reducing the rear yard areas of a number of the lots that are adjacent to it. Pond fill
slopes do not exceed 3:1 within the confines of the pond as required by NC dam safety
regulations. Fill slopes outside of confines of the pond proper are graded at 2:1 in order to shift
the pond away from the wetlands area. Fill slopes any steeper than 2:1 are generally unstable
and therefore discouraged. On this site fill slopes steeper than 2:1 cannot be used due to the silt
laden soil types present on site. The wet pond's surface area is very close to the minimum
surface area required for the site's large drainage area. Planted shelf widths are also minimized
to help keep the pond size to a minimum.
We are requesting a permanent .0025 acre (110 SF) wetlands impact to facilitate
roadway construction. The elevation of Dillon Ridge Lane at its terminal end at the property
line is dictated by engineering design constraints set forth in the City of Greensboro design
manual. In that publication roadway grades at intersections are relegated to a maximum slope
of 3% for a minimum of 100 if either side of an intersection. The closest intersection to this
impact is the intersection of Dillon Ridge Drive and Buckton Vale Lane. These roadways were
revised in profile in order to keep the intersection as close as possible to existing grade and
thus minimize fill requirements and still maintain the required roadway grade. A retaining wall
is shown to prevent the fill slope from intruding into the no disturbance section of the buffer.
Thank you,
John A. Butler
CPT Engineering and Surveying
4400 Tyning Sreet
High Point, NC 27265
[phone] ext. 321
2

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1 OF 1
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EMAIL: [e-mail]
FAX: [phone]
PHONE: [phone] EXT. 304
CONTACT: CHUCK TRUBY, P.E. P.L.S.
HIGH POINT, NC 27265
4400 TYNING STREET
CPT ENGINEERING & SURVEYING, INC.
CIVIL ENGINEER:
PHONE: [phone]
CONTACT: BARRY SIEGAL
GREENSBORO, NC 27409
OWNER/ DEVELOPER:
DILLON RIDGE PARTNERS, LLC
PROJECT CONTACT INFORMATION
4425 MONUMENT TRACE, SUITE 107
EMAIL: [e-mail]