20200730 Ver 1_DCM Correspondence_20200724

Strickland, Bev
From: Mairs, Robb L
Sent: Friday, July 24, 2020 1:35 PM
To: MacPherson, Tara
Subject: RE: [External] Re: Winding Marsh Project
Thanks Tara. Please forward me the updated site plan when you receive it so I can provide to the Corps as well.
I hope you have a good weekend,
XG
From: MacPherson, Tara
Sent: Friday, July 24, 2020 1:07 PM
To: Mairs, Robb L <[e-mail]>
Subject: FW: [External] Re: Winding Marsh Project
FYI
Tara MacPherson
Wilmington Region District Manager
NIC Division of Coastal Management
Department of Environmental Quality
910 796-7266 office
910 395-3964 fax
tara.macphersona-ncdenr.aov
127 Cardinal Drive Ext
Wilmington, NIC 28405
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Jason Clark [mailto:[e-mail]]
Sent: Friday, July 24, 2020 12:06 PM
To: MacPherson, Tara <[e-mail]>
Subject: Re: [External] Re: Winding Marsh Project
External email. Do not click links or open attachments u
That's correct. No land disturbance within the AEC.
I will forward plan on Monday.
Thanks,
1

T. Jason Clark, PE
»1eIMF►1001115i111RLI11Ti%1D7D7:7*�i 14OITA
NORRIS & TUNSTALL
CONSULTING ENGINEERS PC —
2602 Iron Gate Dr., Suite 102
Wilmington, NC 28412
910-343-9653 (Ext. 4) 1 910-343-9604 (F)
It is the professional opinion of Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc.
that this electronic information provides design information current as of the date of its release. It shall be the responsibility of the party
receiving the data to examine it to see that it contains the necessary files and information requested. In transferring the files in
electronic media format, Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc. makes
no representations as to the usability or readability of documents resulting from the use of software application packages, operating
systems, or computer hardware differing from those used by Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall
Consulting Engineers, Inc. in the preparation of such data.
From: "MacPherson, Tara" <[e-mail]>
Date: Friday, July 24, 2020 at 12:04 PM
To: Jason Clark <[e-mail]>
Subject: RE: [External] Re: Winding Marsh Project
Hi Jason, So there will not be any ground disturbance within the Estuarine Shoreline AEC? Could you please send a
drawing to verify.
Thank you,
Ta ra
Tara MacPherson
Wilmington Region District Manager
NC Division of Coastal Management
Department of Environmental Quality
910 796-7266 office
910 395-3964 fax
tara.macphersona-ncdenr.gov
127 Cardinal Drive Ext
Wilmington, NC 28405
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: Jason Clark [mailto:[e-mail]]
Sent: Wednesday, July 22, 2020 9:28 AM
To: MacPherson, Tara <[e-mail]>
Cc: Joe Cebina <[e-mail]>; Williams, Kim <[e-mail]>; Amy Norris
<[e-mail]>; John Tunstall <[e-mail]>; Wesley P. Corder <[e-mail]>;
Adam Nicholas <[e-mail]>
Subject: Re: [External] Re: Winding Marsh Project
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
report.spaniL-iiL
Ta ra,
Sorry for delayed response. I had to check some things prior to responding. There is no other area in the vicinity of the pond
that will allow us to discharge the pond (positive outflow) without encroaching minimally into the AEC. The 700 SF of
Vegetated Filter seems very minor.
However, we have revised the pond permanent level so that we can discharge as required by DWQ and have Zero (0)
disturbance in the AEC. Please advise if you need any other information from us.
Thank you for your help.
T. Jason Clark, PE
PLEASE NOTE OUR NEW ADDRESS BELOW
NOBS & TUNSTAL
CONSULTING ENGINEERS PC —
2602 Iron Gate Dr., Suite 102
Wilmington, NC 28412
910-343-9653 (Ext. 4) 1 910-343-9604 (F)
It is the professional opinion of Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc.
that this electronic information provides design information current as of the date of its release. It shall be the responsibility of the party
receiving the data to examine it to see that it contains the necessary files and information requested. In transferring the files in
electronic media format, Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc. makes
no representations as to the usability or readability of documents resulting from the use of software application packages, operating
systems, or computer hardware differing from those used by Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall
Consulting Engineers, Inc. in the preparation of such data.

From: "MacPherson, Tara" <[e-mail]>
Date: Friday, July 17, 2020 at 9:25 AM
To: Jason Clark <[e-mail]>
Subject: RE: [External] Re: Winding Marsh Project
Hi Jason, I talked with Major Permit Staff and looking at the proposal it appears that there is an area adjacent to the
proposed700 sq. ft. area of grading with a similar elevation outside of the AEC. Can you adjust the proposal and use that
for the required veg. filter?
Let me know what you decide.
Thank you,
Ta ra
Tara MacPherson
Wilmington Region District Manager
NC Division of Coastal Management
Department of Environmental Quality
910 796-7266 office
910 395-3964 fax
tara.macoherson(a)ncdenr.aov
127 Cardinal Drive Ext
Wilmington, NC 28405
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Jason Clark [mailto:[e-mail]]
Sent: Monday, July 13, 2020 7:58 AM
To: MacPherson, Tara <[e-mail]>
Cc: Williams, Kim <[e-mail]>; John Tunstall <[e-mail]>; Amy Norris
<[e-mail]>
Subject: FW: [External] Re: Winding Marsh Project
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
[e-mail]
Hi Tara,
I've been asked to reach out to you with respect to the Winding Marsh Project on Middle Sound Loop Road in Wilmington. I
believe you are familiar. I have also contacted Robb Mairs, as you can see in below email.
We were informed that the project may be kicked into a Major CAMA Permit due to a very small portion of a Vegetated Filter
begin within the 75' AEC Setback. I believe we should be able to avoid this. The small, approximately 700 sf of grading within
the AEC line is for a Vegetated Filter (Sod). We are proposing zero (0) impervious within the AEC, only the DWQ required Veg
Filter.
In the below emails Robb states we are proposing development within the AEC. That is not the case, just a very small portion
of uniform slope vegetated filter. Specifically, the level Spreader will be an 18" poured concrete strip to create a level lip to
encourage sheet flow over the downstream Vegetated Filter, constructed per the NCDEQ Stormwater Design Manual. The

location of the actual concrete level spreader is 28-30 feet outside of the 75' AEC line. The only portion of our disturbance in
the AEC is for the required Vegetated Filter that receives Sheet Flow from the level spreader. The Vegetated Filter extends
approx 8-10 feet inside the 75' AEC line. The area within the AEC for the filter will be minimally and carefully graded and sod
will be installed at a uniform slope to allow Sheet Flow. Also note, the level spreader and filter strip are designed to receive
only the pond State WQ Outflow from the Drawdown Orifice. In this case the Drawdown Orifice is a 2.5-inch orifice, which
when active carries 0.11 cfs of flow to the level spreader and Filter Strip.
Please let me know if you need additional information or need to discuss. We do not feel that this small area should require a
Major CAMA review or Permit.
Thanks,
T. Jason Clark, PE
41-IM4►I td*9111:4►I1TJ/_11191:1 M1:14X91TA
N RRIS & TUNSTALL
2602 Iron Gate Dr., Suite 102
Wilmington, NC 28412
910-343-9653 (Ext. 4) 1 910-343-9604 (F)
It is the professional opinion of Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc.
that this electronic information provides design information current as of the date of its release. It shall be the responsibility of the party
receiving the data to examine it to see that it contains the necessary files and information requested. In transferring the files in
electronic media format, Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc. makes
no representations as to the usability or readability of documents resulting from the use of software application packages, operating
systems, or computer hardware differing from those used by Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall
Consulting Engineers, Inc. in the preparation of such data.
From: Jason Clark <[e-mail]>
Date: Friday, July 10, 2020 at 7:52 AM
To: "[e-mail]" <[e-mail]>
Cc: "Williams, Kim" <[e-mail]>, Joe Cebina <[e-mail]>, Adam Nicholas
<[e-mail]>, Rob Moul <[e-mail]>, Amy Norris <[e-mail]>, John Tunstall
<[e-mail]>, Nancy Singleton <[e-mail]>, "Corder, Wes ([e-mail])"
<wescorder@gmai I.com>
Subject: Re: [External] Re: Winding Marsh Project
The level Spreader will be an 18" poured concrete strip to create a level lip to encourage sheet flow over the downstream
Vegetated Filter, constructed per the NCDEQ Stormwater Design Manual. The location of the actual concrete level spreader is
28-30 feet outside of the 75' AEC line. The only portion of our disturbance in the AEC is for the required Vegetated Filter that
receives Sheet Flow from the level spreader. The Vegetated Filter extends approx 8-10 feet inside the 75' AEC line. The area
within the AEC for the filter will be minimally and carefully graded and sod will be installed at a uniform slope to allow Sheet
Flow. Also note, the level spreader and filter strip are designed to receive only the pond State WQ Outflow from the
Drawdown Orifice. In this case the Drawdown Orifice is a 2.5-inch orifice, which when active carries 0.11 cfs of flow to the
level spreader and Filter Strip.
All water in excess of the design storm will outflow from a separate Pond Outlet Structure to an appropriately sized Energy
Dissipater, outside of the AEC Line.

The use of a Level Spreader and Vegetated Filter is required by NCDEQ at the outlet of a Wet Detention Pond, within 1/2 mile
of SA waters. This site isn't suitable for infiltration.
Please let me know if I can provide any additional information.
Thanks,
T. Jason Clark, PE
PLEASE NOTE OUR NEW ADDRESS BELOW
NORRIS & TUNSTAL
2602 Iron Gate Dr., Suite 102
Wilmington, NC 28412
910-343-9653 (Ext. 4) 1 910-343-9604 (F)
It is the professional opinion of Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc.
that this electronic information provides design information current as of the date of its release. It shall be the responsibility of the party
receiving the data to examine it to see that it contains the necessary files and information requested. In transferring the files in
electronic media format, Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall Consulting Engineers, Inc. makes
no representations as to the usability or readability of documents resulting from the use of software application packages, operating
systems, or computer hardware differing from those used by Norris & Tunstall Consulting Engineers, P.C. and Norris, Kuske & Tunstall
Consulting Engineers, Inc. in the preparation of such data.
From: "Williams, Kim" <[e-mail]>
Date: Thursday, July 9, 2020 at 7:25 PM
To: Jason Clark <[e-mail] Joe Cebina <[e-mail] Adam Nicholas
<[e-mail]>, Rob Moul <[e-mail]>, Amy Norris <[e-mail] John Tunstall
<[e-mail] Nancy Singleton <[e-mail] "Corder, Wes ([e-mail])"
<wescorder@gmai I.com>
Subject: Fwd: [External] Re: Winding Marsh Project
Hi Jason
See email below from Robb Mairs. Can you provide details of the proposed level spreader and the method it will be
constructed?
Thanks,
Kim
Kim Williams I Environmental Scientist
Land Management Group I Environmental Consultants
Direct: 910-452-0001 x 1908 1 Cell: 910.471.5035 1 Fax: [phone]
3805 Wrightsville Ave., Suite 15 1 Wilmington, INC 28403
Email: [e-mail] I welasite: www.lmgroup.net ilmgroup.netl

---------- Forwarded message ---------
From: Mairs, Robb L <[e-mail]>
Date: Thu, Jul 9, 2020 at 5:17 PM
Subject: RE: [External] Re: Winding Marsh Project
To: Williams, Kim <[e-mail]>
Cc: Benson, Tyler G <[e-mail]>
Hey Kim,
Thanks for the info., and I will run this through Patrick and Tara. Can you provide the details of the proposed level
spreader, which is referenced on the site plan, and also method it would be constructed?
Robb Mairs
Environmental Specialist II
Division of Water Resources
North Carolina Department of Environmental Quality
910 796.7303 office
robb.mairs(cDncdenr.gov
https://deg.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/401-wetlands-buffer-
ep rmits
127 Cardinal Drive Extension
Wilmington, NC 28405
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: Williams, Kim [mailto:[e-mail]]
Sent: Thursday, July 9, 2020 2:44 PM
To: Mairs, Robb L <[e-mail]>
Cc: Benson, Tyler G <[e-mail]>
Subject: Re: [External] Re: Winding Marsh Project
• ernal email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
[e-mail]
Thanks Robb. I talked with the engineer and he says that approximately 700 sf of vegetative filter (nothing structural) is
proposed within the AEC.
Let me know what Patrick says.
Thanks!
Kim
Kim Williams I Environmental Scientist
Land Management Group I Environmental Consultants
Direct: 910-452-0001 x 1908 1 Cell: 910.471.5035 1 Fax: [phone]
3805 Wrightsville Ave., Suite 15 1 Wilmington, NC 28403
Email: [e-mail] I website: www.lmgroup.net !Imgroup.netl
On Thu, Jul 9, 2020 at 11:17 AM Mairs, Robb L <[e-mail]> wrote:
Hi Kim,

We may need to run this through Patrick Amico with DCM, but I believe this would require a CAMA major dev. permit
application since they are proposing development within the 75' Coastal Shoreline AEC, and the overall site plan would
be disturbing more than one acre, which includes wetland impacts. I'm in the office today, so I will run this by him
when I see him.
Thanks,
Robb Mairs
Environmental Specialist II
Division of Water Resources
North Carolina Department of Environmental Quality
910 796.7303 office
robb.mairs(cancdenr.gov
https://deg.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/401-wetlands-
buffer-permits
127 Cardinal Drive Extension
Wilmington, NC 28405
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Williams, Kim [mailto:[e-mail]]
Sent: Thursday, July 9, 2020 10:27 AM
To: Benson, Tyler G <[e-mail]>

Cc: Mairs, Robb L <[e-mail]>
Subject: [External] Re: Winding Marsh Project
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
I [e-mail]
Hi Tyler
No we haven't. I think the plan is to apply for a CAMA Minor (since no wetland impacts are proposed within the AEC) as they
get closer to construction.
Thanks,
Kim
Kim Williams I Environmental Scientist
Land Management Group I Environmental Consultants
Direct: 910-452-0001 x 1908 1 Cell: 910.471.5035 1 Fax: [phone]
3805 Wrightsville Ave., Suite 15 1 Wilmington, NC 28403
Email: [e-mail] I website: www.lmgroup.net ilmgroup.netl
On Thu, Jul 9, 2020 at 9:57 AM Benson, Tyler G <[e-mail]> wrote:
Hey Kim,
We are reviewing the application for the Winding Marsh project, and it appears that part of the stormwater system, the
level spreader, shown in the drawings is within the 75' AEC line. Have you spoken with DCM about this yet to go through the
CAMA process?
Thanks,
10

Tyler Benson
Environmental Technician I
Division of Water Resources
Wilmington Regional Office: 127 Cardinal Drive Extension; Wilmington, NC 28405
[e-mail]; (P)910 796 7336
7
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11