RE_ [External] RE_ C204110 (U-2519BA_BB) Drainage Concern

From:
Sprinkle, Hannah H
To:
Price. Gregory W; Alsmeyer. Eric C CIV USARMY CESAW (USA)
Cc:
Peterson. Beniamin; Underwood. Chris; McGinness. Christopher H
Subject:
RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
Date:
Tuesday, July 25, 2023 9:56:00 AM
Attachments:
imaae006.Dna
imaae007.Dna
imaae009.Dna
imaae010.Dna
imaae011.ono
Good morning Greg,
I agree with Eric, since the footprint of the permanent impacts and the required mitigation remain
the same, DOT will not need to modify the 401 permit for this revision. I will add the revised permit
drawings to the project file.
Thank you for keeping us in the loop,
Hannah
Hannah Sprinkle
Environmental Specialist II
401 and Buffer Transportation Permitting Branch
Department of Environmental Quality
[phone] (mobile)
910) 796-7379 (office)
hannah.sprinkle _deq.nc.gov ***please note my email address has changed ***
�
NORTH CAROLINA ..EQ
CI-10)
Department of Environmental Quality
Email correspondence to and from this address is subject to the North
Carolina Public Records Law and may be disclosed to third parties.
From: Price, Gregory W <[e-mail]>
Sent: Tuesday, July 25, 2023 9:33 AM
To: Alsmeyer, Eric C CIV USARMY CESAW (USA) <[e-mail]>; Sprinkle,
Hannah H <[e-mail]>
Cc: Peterson, Benjamin <[e-mail]>; Underwood, Chris
<[e-mail]>; McGinness, Christopher H <[e-mail]>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
Thank you, Eric.

Gregory W. Price, SPWS
Division 6 Environmental Program Supervisor
North Carolina Department of Transportation
910 364 0683 office
919 914 1200 mobile
awprice2 _ ncdot.aov
431 Transportation Drive
Fayetteville, NC 28302
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Alsmeyer, Eric C CIV USARMY CESAW (USA) <Eric.C.Alsmeyer(@usace.army.mil>
Sent: Tuesday, July 25, 2023 9:26 AM
To: Price, Gregory W <gwprice2(@ncdot.gov>; Sprinkle, Hannah H <hannah.sprinkle @deq.nc.gov>
Cc: Peterson, Benjamin<beniamin.peterson(@rsandh.com>; Underwood, Chris
<csunderwood(@ncdot. og_v>; McGinness, Christopher H <chmcginness @ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
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Greg: I concur that since you have provided the revised permit drawings, and the footprint of the
permanent impacts, and the required mitigation, remain the same, that you will not need to modify
the 404 permit authorization for this revision. Please note that the dissipator pad should be keyed
into the wetland elevation so the permanent impact to the wetland will be minimized.
Thank you for informing us of the change.
Please reply or call if you have any questions or if I may serve you in any other way.
The Wilmington District is committed to providing the highest level of support to the public.
To help us ensure we continue to do so, please complete the Customer Satisfaction Survey
located at htti2s:,//re ulg atory.ol2s.usace.arm)l.mil/customer-service-survey[.
Eric

Eric Alsmeyer
Project Manager
Work Cell: 919.817.1570
Regulatory - WRDA / NCDOT BRANCH
US Army Corps of Engineers, Wilmington District
3331 Heritage Trade Drive, Suite 105, Wake Forest, NC 27587
Office Tel: [phone], x23 (I am working out of the office most days of the week, but I try
to check my voicemails daily)
Regulatory
Homepage: httl2://www.saw.usace.army.mil/Missions/Re ulg ator)zPermitProgram.aspx
From: Price, Gregory W <gwprice2Pncdot. og_v>
Sent: Tuesday, July 25, 2023 8:52 AM
To: Alsmeyer, Eric C CIV USARMY CESAW (USA) <Eric.C.Alsmeyer @usace.army.mil>; Sprinkle,
Hannah H <hannah.sprinkle(@deq.nc.g_ov>
Cc: Peterson, Benjamin<beniamin.peterson(@rsandh.com>; Underwood, Chris
<csunderwood(@ncdot. og_v>; McGinness, Christopher H <chmcginnesspricdot.g_ov>
Subject: [URL Verdict: Neutral][Non-DoD Source] FW: [External] RE: C204110 (U-2519BA/BB)
Drainage Concern
Eric/Hannah,
For project U-2519BA, a revision in pipe size for pipe entering Permit Site 5 had to be conducted due
to area receiving more drainage from the nearby borrow pit. The email at the very bottom of this
correspondence string describes the explanation in detail for the larger pipe. The original pipe
diameter was 24 in. and revised pipe diameter is 66 in. requiring a larger dissipator pad at outlet
end. Please find attached the revised permit site 5 drawing along with the original for comparison.
The larger revised dissipator pad is still within the original permanent impact footprint, converting
0.007 of mechanized clearing to fill (see calculation in correspondence below).
NCDOT does not believe that this would require a permit modification but only a notification since
permanent impacts and mitigation remain the same. Please advise me as soon as possible if you
concur on this issue. Thank you for your time and consideration on this matter.
Gregory W. Price, SPWS
Division 6 Environmental Program Supervisor
North Carolina Department of Transportation
910 364 0683 office
919 914 1200 mobile
awprice2 _ ncdot.aov_
431 Transportation Drive
Fayetteville, NC 28302

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Peterson, Benjamin <Beniamin.Peterson(@rsandh.com>
Sent: Monday, July 24, 2023 10:41 PM
To: Price, Gregory W <gwarice2Pncdot.g_ov>
Subject: RE: [External] RE: C2O4110 (U-2519BA/BB) Drainage Concern
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Hey Greg,
Please let me know when you have had a chance to vet this through the agencies. As long as
they are good with it, I am going to get the contractor moving on ordering their materials.
Thanks
Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay p-to-date with our latest news and insights.
From: Eleni Riggs <eriggs(@rkk.com>
Sent: Monday, July 24, 2023 10:26 AM
To: Price, Gregory W <gwbrice2(@ncdot.gov>; Peterson, Benjamin
<Benjamin.PetersonPrsandh.com>; Jeff Meador <jmeador(@rkk.com>; York, Matthew J
<mivork(@ncdot.gov>
Cc: Conforti, John G <0Rconforti(@ncdot.g_ov>; Webb, David S <dswebbl(@ncdot.g_ov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl @ncdot.gov>; Alexis Burke
<aburke(@rkk.com>; Scott Blevins <sblevins(@rkk.com>; Smith, Charles R <crsmithl(@ncdot.g_ov>;
Hunt, Donavon <dhunt3 @ncdot.gov>; Partin, John A <ibartin @ncdot.gov>
Subject: RE: [External] RE: C2O411O (U-2519BA/BB) Drainage Concern
Greg,

Attached are the revised permit drawings showing the revised pipe size and larger riprap pad. None
of the impact areas were revised at this point. Impact areas are summarized as follows:
Original Impacts:
Fill in wetlands from Riprap Pad = 0.002 acres
Mechanized Clearing = 0.013 acres
Revised Impacts:
Fill in wetlands from Riprap Pad = 0.009 acres (shown within mechanized clearing limits)
Mechanized Clearing = 0.006 acres
If I need to revise these impact areas on the permit drawings or update the impact summary table,
please let me know.
Thank you,
Eleni
ELENI RIGGS, PE
Technicai ivianager
8601 Six Forks Road
Forum 1, Suite 700
Raleigh, NC 27615
919.878.9560 P 1919.539.5181 C
www.rkk.com
Responsive People I Creative Solutions
From: Price, Gregory W <gwprice2Co�ncdot.g_ov>
Sent: Friday, July 21, 2023 3:56 PM
To: Peterson, Benjamin<beniamin.peterson(@rsandh.com>; Eleni Riggs <eriggsprkk.com>; Jeff
Meador <imeador(@rkk.com>; York, Matthew J <mi)lork(@ncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <dswebblpncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <[e-mail]>; Alexis Burke
<aburkePrkk.com>; Scott Blevins <sblevinsCa�rkk.com>; Smith, Charles R <crsmithlPncdot.gov>;
Hunt, Donavon <dhunt3 @ncdot.gov>; Partin, John A <ipartin aPncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
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Thanks, Ben. It appears the blown up Inset A is only showing the original dissipator pad footprint

within the mechanized clearing versus what is shown in the original inset. If possible, have the
additional area sketched in on the larger Inset A and amount of additional acreage (3 decimal places)
of dissipator pad fill. Sorry for the nitpickiness of the revised drawing but I am accustomed to what
the agencies will be asking for. Thanks again for everyone's assistance on this.
Gregory W. Price, SPWS
Division 6 Environmental Program Supervisor
North Carolina Department of Transportation
910 364 0683 office
919 914 1200 mobile
awprice2 _ ncdot.aov
431 Transportation Drive
Fayetteville, NC 28302
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Peterson, Benjamin <Beniamin.Peterson anrsandh.com>
Sent: Friday, July 21, 2023 1:19 PM
To: Price, Gregory W <gwprice2CcDncdot.gov>; Eleni Riggs <eriggs(@rkk.com>; Jeff Meador
<imeadoranrkk.com>; York, Matthew <mivorkna ncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <dswebbina ncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonlna ncdot.gov>; Alexis Burke
<aburkena rkk.com>; Scott Blevins <sblevinsna rkk.com>; Smith, Charles R <crsmithl @ncdot.gov>;
Hunt, Donavon <dhunt3na ncdot.gov>; Partin, John A <ipartinna ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
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Hey Greg,
I'm not sure if anyone in this group is able to provide a revised permit sheet but I went ahead
and overlayed the existing permit sheet as best I could with the revised pipe and rip rap pad for
your review. If you can take a look at it and get with the agencies to see if they have an issue
with it that would be great.
Eleni and company,
If the agencies are not okay with this, do you think we can reduce the footprint even more by
utilizing class 2 rip rap in lieu of the class 1 proposed?

Other than that, I didn't have any additional comments other than also requesting revised pipe
summary pages if possible once this is finalized.
Thanks everyone.
Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay up-to-date with our latest news and insights.
RS&H
From: Price, Gregory W <gwprice2Co�ncdot.gov>
Sent: Thursday, July 20, 2023 1:44 PM
To: Eleni Riggs <eriggs(@rkk.com>; Peterson, Benjamin <Benjamin.Peterson(cDrsandh.com>; Jeff
Meador <imeador @rkk.com>; York, Matthew J <miyork(@ncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <[e-mail]>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <[e-mail]>; Alexis Burke
<aburkePrkk.com>; Scott Blevins <sblevinsPrkk.com>; Smith, Charles R <crsmithlPncdot.gov>;
Hunt, Donavon <dhunt3 @ncdot.gov>; Partin, John A <ipartin aPncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
Would it be possible to provide a permit drawing revision sheet for Permit Site 5 with the new pipe
so that the agencies can compare with original? Thank you all for your efforts.
Gregory W. Price, SPWS
Division 6 Environmental Program Supervisor
North Carolina Department of Transportation
910 364 0683 office
919 914 1200 mobile
awprice2 _ ncdot.aov
431 Transportation Drive
Fayetteville, NC 28302
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: Eleni Riggs <eriggs(@rkk.com>
Sent: Thursday, July 20, 2023 1:33 PM
To: Peterson, Benjamin <beniamin.peterson @rsandh.com>; Jeff Meador <imeador @rkk.com>; York,
Matthew <mivork(@ncdot.gov>
Cc: Conforti, John G <Ogconforti @ncdot.gov>; Webb, David S <dswebbl @ncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl @ncdot.gov>; Alexis Burke
<aburke(@rkk.com>; Scott Blevins <sblevins(@rkk.com>; Smith, Charles R <crsmithl(@ncdot.gov>;
Hunt, Donavon <dhunt3 @ncdot.gov>; Partin, John A <iaartin @ncdot.gov>; Price, Gregory W
<gwarice2(@ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
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Al I,
Attached is revised redline plan sheet 10 and profile sheet 34, which have been revised to show the
larger pipe due to the additional area from the borrow pit. As Alexis previously mentioned in her
email, a pipe data sheet was done for the new 80 acre drainage area and the design required a 66"
RCP -IV to meet the HW/D requirement for the 50-year design storm. The standard riprap pad did
not fit within the mechanized clearing shown on the permit drawings so it was revised to not extend
beyond those limits. A velocity calculation was completed to make sure that the velocity leaving the
shorter riprap pad would be non -erosive and a maximum slope was set for the riprap pad to ensure
the velocity stays below 2 ft/s.
Please review the attached plan and profile and let me know if you have any questions or comments
regarding this revision. I have also attached the Pipe Data Sheet and Riprap Calculation sheet for
your reference. Feel free to reach out if you need any additional information to complete your
review.
Thank you,
Eleni
ELENI RIGGS, PE
Technical Manager
8601 Six Forks Road
Forum 1, Suite 700
Raleigh, NC 27615
919.878.9560 P 1919.539.5181 C

www.rkk.com
Responsive People I Creative Solutions
From: Peterson, Benjamin <Benjamin.Peterson anrsandh.com>
Sent: Tuesday, July 18, 2023 5:17 PM
To: Jeff Meador <jmeador anrkk.com>; York, Matthew J <mjvork @ncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <dswebbl anncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl anncdot.gov>; Alexis Burke
<aburkena rkk.com>; Eleni Riggs <eriggs(@rkk.com>; Scott Blevins <sblevins(@rkk.com>; Smith,
Charles R <crsmithlPncdot.gov>; Hunt, Donavon <dhunt3na ncdot.gov>; ipartin @ncdot.gov; Price,
Gregory W <gwprice2(@ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
EXTERNAL EMAIL: Do not click links or open attachments unless you trust the 'Sender' and
know the content is safe.
I know everyone is busy and that this is in the works, but I just wanted to see if there was a
finalized length of pipe for this system and if a drainage structure would be needed in the new
run like there was in the 24" run? The contractor would like to order the materials as soon as
possible to help mitigate any potential delays to the project so if you are able to provide this
information that would be appreciated, if it is still too early to pass that info along to them I also
understand.
Just let me know what you think.
Thank you
Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay p-to-date with our latest news and insights.
RS&K
From: Jeff Meador <jmeador(@rkk.com>
Sent: Wednesday, July 12, 2023 9:07 AM
To: Peterson, Benjamin<Benjamin.Peterson(@rsandh.com>; York, Matthew <mj)1orkPncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <dswebbina ncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl @ncdot.gov>; Alexis Burke
<aburke @rkk.com>; Eleni Riggs <eriggsna rkk.com>; Scott Blevins <sblevins(@rkk.com>; Smith,
Charles R <crsmithl(d)ncdot.gov>; Hunt, Donavon <dhunt3na ncdot.gov>; jaartin @ncdot.gov; Price,
Gregory W <[e-mail]>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern

Benjamin,
We will go ahead and update the plans for the 66" pipe and evaluate velocities at the rip rap pad. I'll
let the NCDOT Hydraulics Unit staff speak to the idea of detention in the borrow area but I am
guessing that they will not be in favor of counting on upstream detention to meet the design criteria
even if the detention is placed in a deed restriction.
Thanks,
Jeff
From: Peterson, Benjamin <Beniamin.PetersonPrsandh.com>
Sent: Tuesday, July 11, 2023 4:57 PM
To: Jeff Meador <imeadorPrkk.com>; York, Matthew J <miyork @ncdot.gov>
Cc: Conforti, John G <0gconforti(@ncdot.gov>; Webb, David S <dswebbl @ncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl @ncdot.gov>; Alexis Burke
<aburke @rkk.com>; Eleni Riggs <eriggsPrkk.com>; Scott Blevins <sblevins @rkk.com>; Smith,
Charles R <crsmithlPncdot.gov>; Hunt, Donavon <dhunt3(@ncdot.gov>; ibartin @ncdot.gov; Price,
Gregory W <[e-mail]>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
EXTERNAL EMAIL: Do not click links or open attachments unless you trust the 'Sender' and
know the content is safe.
Hey Jeff/Alexis,
The Division team here is good with using the single 66" pipe run with modifying the rip rap pad
as needed to meet our permit and R/W restrictions. Our thought is that we can reduce the
footprint of the rip rap outlet pad so that we do not encroach beyond the mechanized clearing
or R/W limits and to offset the reduction in size, we could utilize class 2 rip rap instead of the
standard class B. If you don't have any concerns with meeting any discharge requirements with
that setup lets go ahead and proceed with that option.
That being said, not to throw another kink in things but in my preliminary discussions with the
Contractor to let them know that this is coming, they threw out that since they own the property,
they would be willing to have a permanent basin remain on that property and work that into the
deed when they get rid of the property. I know we briefly discussed that as an option on the
conference call we had and it was a less than favorable option but I wanted to throw it out there
one more time since they made that statement to me as well. There could be some cost savings
in this option, however I can see how it could have the potential to be a bit more of a logistical
mess in the long run.
Just let us know what you think, and if you need any additional information from us, please let us
know.
Thank you
Benjamin Peterson

Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay up-to-date with our latest news and insights.
RS&H
From: Jeff Meador <imeador(@rkk.com>
Sent: Wednesday, July 5, 2023 2:02 PM
To: Peterson, Benjamin <Benjamin.PetersonPrsandh.com>; York, Matthew <mivork anncdot.gov>
Cc: Conforti, John G <igconforti @ncdot.gov>; Webb, David S <dswebbl anncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonlna ncdot.gov>; Alexis Burke
<aburkena rkk.com>; Eleni Riggs <[e-mail]>; Scott Blevins <sblevins @rkk.com>; Smith,
Charles R <crsmithl @ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
0,
Alexis took a look at what would be needed to upsize the proposed cross pipe for U-251913A.
Assuming we hold the inverts and all the other cross pipes/ditch work where it is the new
single cross pipe would be a 66" RCP -IV. It would have roughly 27' cover and would meet the
headwater control elevation in the ditch line for the 50 year design storm.
The standard riprap pad length is 4*diameter of the pipe. Without modifying the shape of the
riprap pad from the standard, work would go outside the mechanized clearing range (yellow
shape is the pad for a 66") and the right-of-way for the project. Dual 48" pipes would also
work. The rip rap pads would also need to be modified to fit within the mechanized clearing
limits but the modification needed would be much more minor.

Please let me know your thoughts and we can revise the plan in the area.
Thanks,
Jeff
From: Peterson, Benjamin <Beniamin.PetersonPrsandh.com>
Sent: Thursday, June 29, 2023 9:43 AM
To: York, Matthew J <mivorkna ncdot.gov>; Jeff Meador <imeador(@rkk.com>
Cc: Conforti, John G <Ogconforti @ncdot.gov>; Webb, David S <dswebbl anncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl anncdot.gov>; Alexis Burke
<aburkena rkk.com>; Eleni Riggs <eriggs @rkk.com>; Scott Blevins <sblevinsCcDrkk.com>; Smith,
Charles R <crsmithlna ncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
EXTERNAL EMAIL: Do not click links or open attachments unless you trust the 'Sender' and
know the content is safe.
Good morning,
I spoke with our Division Environmental team and they said that as long as we can keep the
revised rip rap splash pad within the mechanized clearing limits, we should be clear of needing
any permit modifications for this pipe adjustment. If you will please take that into consideration
when reviewing this it would be appreciated. I have attached the permit sheet for easy reference.
Thank you
Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay up-to-date with our latest news and insights.
0 JP
From: York, Matthew <mivorkPncdot.gov>
Sent: Tuesday, June 27, 2023 3:11 PM
To: Jeff Meador <imeadorna rkk.com>; Peterson, Benjamin <Beniamin.Peterson(@rsandh.com>
Cc: Conforti, John G <ORconforti(@ncdot.gov>; Webb, David S <dswebbl(@ncdot.gov>; Alakhdar,
Khaled A <kalakhdar @ncdot.gov>; Anderson, Brook E <beandersonl @ncdot.gov>; Alexis Burke
<aburkeCcDrkk.com>; Eleni Riggs <[e-mail]>; Scott Blevins <sblevinsPrkk.com>; Smith,
Charles R <crsmithIPncdot.gov>
Subject: RE: [External] RE: C204110 (U-2519BA/BB) Drainage Concern

Good afternoon Jeff and Ben,
I can meet to discuss this tomorrow afternoon. Can you set up a meeting for 1 or 2 pm?
Also, please CC Charles Smith in the meeting invite as well.
Thanks,
Matthew York, PE
Engineer III
North Carolina Department of Transportation
Hydraulics Unit
919 707 6765 (office)
919 616 8595 (mobile)
mivork&ncdot.gov
US Mail:
1590 Mail Service Center
Raleigh NC 27699-1590
Physical Address:
1000 Birch Ridge Dr.
Raleigh NC 27610
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Jeff Meador <imeadorna rkk.com>
Sent: Tuesday, June 27, 2023 12:52 PM
To: Peterson, Benjamin <beniamin.petersonna rsandh.com>; York, Matthew <mivorkna ncdot.gov>
Cc: Conforti, John G <0RconfortiPncdot.g_ov>; Webb, David S <dswebblpncdot.gov>; Alakhdar,
Khaled A <kalakhdarna ncdot.gov>; Anderson, Brook E <beandersonlna ncdot.g_ov>; Alexis Burke
<aburkePrkk.com>; Eleni Riggs <eriggs(@rkk.com>; Scott Blevins <sblevinsprkk.com>
Subject: [External] RE: C204110 (U-2519BA/BB) Drainage Concern
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Ben,

You are correct.
Thanks,
Jeff
From: Peterson, Benjamin <Benjamin.Peterson(@rsandh.com>
Sent: Tuesday, June 27, 2023 11:57 AM
To: Jeff Meador <imeadorPrkk.com>; mj)lork(@ncdot.gov
Cc: Conforti, John G <igconforti @ncdot.gov>; dswebbl @ncdot.gov; Alakhdar, Khaled A
<kaakhdar @ncdot.gov>; beandersonl(@ncdot.gov; Alexis Burke <aburke @rkk.com>; Eleni Riggs
<eriggs(@rkk.com>; Scott Blevins <sblevins(@rkk.com>
Subject: RE: C204110 (U-2519BA/BB) Drainage Concern
EXTERNAL EMAIL: Do not click links or open attachments unless you trust the 'Sender' and
know the content is safe.
Thanks for looking into this. I just wanted to clarify that there was a minor typo in the stationing.
The station of the pipe receiving the bulk of the water is the one at 408+75+/- and not 418+75.
Thanks
Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-5617
Beniamin.PetersonPrsandh.com
rsandh.com I Facebook I Twitter I Linkedln I Bloa
Stay up-to-date with our latest news and insights.
From: Jeff Meador <jmeadorna rkk.com>
Sent: Tuesday, June 27, 2023 9:38 AM
To: mivorkna ncdot.gov
Cc: Conforti, John G <igconforti @ncdot.gov>; dswebbl @ncdot.gov; Peterson, Benjamin
<Benjamin.Peterson(@rsandh.com>; Alakhdar, Khaled A <kaakhdar @ncdot.gov>;
beandersonlPncdot.gov; Alexis Burke <aburke(@rkk.com>; Eleni Riggs <eriggs(@rkk.com>; Scott
Blevins <sblevins @rkk.com>
Subject: RE: C204110 (U-2519BA/BB) Drainage Concern
Matt,
I hope you a re doing well. We received the request below to look at the drainage on U-2519BA
(Fayetteville Outer Loop). I have added a pdf to what Ben sent (Borrow Pit Exibit.pdf) that overlays
the borrow pit with the drainage file. You can see that the borrow pit will take most of the drainage
area from the 54" RCP at 419+50 and the 24" RCP at 411+50 and send that drainage area to the 24"

RCP at 418+75 +/-. All of these pipes discharge to the wetland that runs along Stewarts Creek but
the change will result in a large increase in flow to the pipe at 418+75, and decreases at the other
locations. Do you have a few minutes to discuss tomorrow (6/28)? 1 will be out of town from the
29th through the 4th but Alexis can answer questions while I am away.
Thanks,
Jeff
From: Peterson, Benjamin <Benjamin.Peterson(@rsandh.com>
Sent: Friday, June 23, 2023 1:15 PM
To: Alakhdar, Khaled A <kalakhdar(@ncdot.gov>; Jeff Meador <imeador(@rkk.com>
Cc: Conforti, John G <igconfortiPncdot.gov>; dswebbl(@ncdot.g_ov
Subject: C204110 (U-2519BA/BB) Drainage Concern
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Good morning gentlemen,
I have come across a drainage concern that probably needs to be investigated. I wish I would
have caught it earlier since the two 24" pipe runs and the 54" pipe run have already been
installed, however, if we happen to be undersized and need to consider a modification, now
would be the time to make that adjustment.
At the time of design the property to the East of the project from station 401+00 to beyond
station 431+00 was all a field/lightly wooded area that all drained down towards the project. This
however has now changed because the Contractor purchased a large tract of land (40+ acres)
there to utilize for their borrow pit. With them creating a pit there, the sheet flow from that
property is now directed down to one of our 24" pipe runs and the wetlands near the bridges
just south of station 401+00.
I have attached a couple plan sheets that I marked up as well as a copy of their borrow pit
reclamation plan to show you what we will be working with upon completion of the project. My
primary concern is now that they have changed the topography of the land, the 24" pipe run at
408+50 will be getting overwhelmed during rain events. I also have some concerns about the
ditch capacity of the base ditch we construct right of -L- from approximate station 399+00 to
403+00. We may also want to consider a finger off of that ditch so that it can help pick up the
water that will drain out of the borrow pit in that area. Speaking of fingers, the one at the inlet of
the 54" pipe run near station 420+75 could be unnecessary at this time because the drainage
area that pipe was expected to pick up has been drastically reduced. The pipe size is potentially
also not needed but as I mentioned, it is already installed and therefore might as well remain in
place. The ditches along that whole side of the project from station 399+00 to 431+00 have not
been constructed yet and maybe they should be modified in shape or size as well due to the
new topography.
If you need any additional information or have any questions regarding this situation, please let
me know.
Thanks

Benjamin Peterson
Project Manager
2110 Fort Bragg Rd, Suite 108, Fayetteville, NC 28303
919-324-S617
Beniamin.Peterson(o)rsandh.com
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