19991207 Ver 1_COMPLETE FILE_19991105

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Mr. Nick Wagoner
A ffl?raf WA
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
July 14, 2000
Forsyth County
DWQ Project # 991207
APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS
Lowes Company, Inc.
Highway 268 East
North Wilkesboro, NC 28656
Dear Mr. Wagoner:
You have our approval, in accordance with the attached conditions and those listed below, to place fill material in 499 linear feet of streams for
the purpose of constructing a Lowes Store at South Main Street in Kernersville, Forsyth County, as described in your application dated November 4,
1999 and revised February 24,.2000. After reviewing your application, we have decided that this fill is covered by General Water Quality Certification
Number 3108. This certification allows you to use Nationwide Permit Number 26 when the Corps of Engineers issues it. In addition, you should get
any other federal, state or local permits before you °o ahead with your project including (but not limited to) Sediment and Erosion Control, Coastal
Stormwater. Non-Discharge and Water Supply Water shed regulations. This approval will expire when the accompanying 404 or CAMA permit expires
unless otherwise specified in the General Certification.
This approval is only valid for the purpose and design that you described in your application except as modified below. If you change your
project, you must notify us and you may be required to send us a new application. If the property is sold, the new owner must be given a copy of this
Certification and approval letter and is thereby responsible for complying with all conditions. If total wetland fills for this project (now or in the future)
exceed one acre, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h) (6) and (7). For this approval to be valid. you must
follow the conditions listed in the attached certification and any additional conditions listed below.
1. Deed notifications or similar mechanisms shall be placed on all remaining jurisdictional wetlands and streams to notify the state in order to assure
compliance for future wetland and/or water impact. These mechanisms shall be put in place within 30 days of the date of this letter or the issuance
of the 404 Permit (whichever is later).
2. The stormwater management plans must be constructed as proposed in the plans dated May 31, 2000 for the extended wet detention basin and
June 13. 2000 for the proposed exit of the culverted stream. These facilities must be constructed and operational according the above plans before
any permanent, on-site building is occupied. Also, before any of the proposed impacts occur, a copy of the signed and notarized Operation and
Maintenance Agreement shall be forwarded to this Office. The Operation and Maintenance Agreement must contain a provision requiring the
owner to maintain a pump that can completely drain the above pond for maintenance purposes.
We understand that you have chosen to contribute to the Wetland Restoration Program in order to compensate for these impacts to
wetlands and/or streams. In accordance with 15A NCAC 2R .0402, this contribution will satisfy our compensatory mitigation requirements
under 15A NCAC 2H .0506(h). According to 15A NCAC 2H .0506(h), feet of restoration will be required. Until the Wetland Restoration
Program receives and clears your check (made payable to: DENR - Wetland Restoration Program), wetland or stream fill shall not occur.
Mr. Ron Ferrell should be contacted at 919-733-5083 ext. 358 if you have any questions concerning the Wetland Restoration Program. You
have one month from the date of this Certification to make this payment.
For accounting purposes, this Certification authorizes the fill 499 feet of streams, in Yadkin river and subbasin and 499 linear
feet of stream restoration are required. Please be aware that the Wetland Restoration Program (WRP) rules require rounding of
acreage amounts to one-quarter acre increments (15A 2R.0503(b)).
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of
the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina
General Statutes to the Office of Administrative Hearings. P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are
final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean
Water Act. If you have any questions, please telephone John Dorney at 919-733-9646.
•ncereI
A V
sevens t/O
Attachment k
L
cc: Corps of Engineers Raleigh Field Office l
Winston-Salem DWQ Regional Office
Ron Ferrell; Wetland Restoration Program
File copy
Central Files
Division of Water Quality • Non-Discharge Branch
1621 Mail Service Center Raleigh NC 27669-1621 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer •
50% recycled/10% post consumer paper

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
0
NCDENR
NORTH CAROLIKIA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
NORTH CAROLINA-DIVISON OF WATER QUALITY
401 WATER QUALITY CERTIFICATION
SUMMARY OF PERMITTED IMPACTS AND MITIGATION REQUIREMENTS
In accordance with 15A NCAC 2 H .0500, Lowes Companies, Inc. has permission as outline below for the purpose(s) of proposed
stream fill. All activities associated with these authorized impacts must be conducted with the conditions listed in the attached cetiftcation
transmitttal letter. THIS CERTIFICATION IS NOT VALID WITHOUT THE ATTACHMENTS.
COMPENSATORY MITIGATION REQUIREMENT WETLAND RESTORATION PROGRAM
LOCATION
COUNTY:
BASIN/SUBBASIN
Kernesville
Forsyth
030704
As required by 15A NCAC 2H .0506, and the conditions of this certification, you are required to compensate for the above impacts
through the restoration, creation, enhancement or preservation of wetlands and surface waters as outlined below prior to conducting any
activities that impact or degrade the waters of the state.
Note: Acreage requirements proposed to be mitigated through the wetland Restoration Programs must be rounded to one-quarter acre
increments according to 15 2r .0503(b)
acres of Class WL wetlands
acres of riparian wetland
acres of non-riparian wetlands
acres of Class SWL wetlands
499 linear feet of stream buffers
(other)
One of the options you have available to satisfy the compensatory mitigation requirements is through the payment of a fee to the
Wetlands Restoration Fund per NCAC 2R.0503. If you choose this option, please sign this form and mail it to the Wetlands Restoration Fund
at the address listed below. An invoice for the appropriate amount of payment will be sent to you upon receipt of this form. PLEASE NOTE,
THE ABOVE IMPACTS ARE NOT AUTHORIZED UNTIL YOU RECEIVED NOTIFICATION THAT YOUR PAYMENT HAS BEEN
PROCESSED BY THE WETLANDS RESTORATION PROGRAM.
Signature
Date
WETLANDS RESTORATION PROGRAM
DIVISON OF WATER QUALITY
1619 Mail Service Center
RALEIGH, N.C. 27669-1619
Division of Water Quality • Non-Discharge Branch
1621 Mail Service Center Raleigh NC 27669-1621 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer
50% recycled/10% post consumer paper

?AA
NCDENR
DIVISION OF WATER QUALITY
June 29, 2000 \
Memorandum To: John Dorne
y
From: Todd St. John
Subject: Lowes, Kernersville
Forsyth County
DWQ# 991207
Please find the attached plans and narrative regarding this project. The 401 WQC
has not been issued. The applicant has proposed constructing a wet detention pond to
treat stormwater. The plans, dated May 31, 2000 appear to meet 85% TSS removal
design parameters in the Stormwater BMP Manual. The applicant has also proposed
energy dissipation (plans dated 6/13/00) at the downstream end of the proposed culverted
stream channel designed to reduce the velocity at the culvert exit to less than 3.5 fps in a
10 year or less discharge. This should provide better protection for the downstream
stream channel. The applicant has proposed payment to the WRP for stream mitigation.
The WRP has agreed to accept payment. I would like to propose the following
stormwater condition:
"#) The stormwater management plans must be constructed as proposed in the plans
dated May 31, 2000 for the extended wet detention basin and June 13, 2000 for the
proposed exit of the culverted stream. These facilities must be constructed and
operational according the above plans before any permanent, on-site building is occupied.
Also, before any of the proposed impacts occur, a copy of the signed and notarized
Operation and Maintenance Agreement shall be forwarded to this Office. The Operation
and Maintenance Agreement must contain a provision requiring the owner to maintain a
pump that can completely drain the above pond for maintenance purposes."

Re: [Fwd: [Fwd: Project: Lowe's kemersville]]
Subject: Re: [Fwd: [Fwd: Project: Lowe's kernersville]]
Date: Wed, 21 Jun 2000 11:14:05 -0400
From: John Dorney <[e-mail]>
To: Jennifer Frye <[e-mail]>
CC: Ron Ferrell <[e-mail]>, Rob Ridings <[e-mail]>
gracias. rob please print out this email and put into file. thankx
Jennifer Frye wrote:
I don't have a problem with the WRP payment. Like Ron mentioned below, my concerns are with the
project itself. Also, the letter to Lowe's putting the project on hold for WRP acceptance (among other
things) was sent on April 6. Another letter requesting additional information was sent on May 24, but it.
does not mention the WRP payment.
John Dorney wrote:
jennifer - do you have problem with WRP payment? please advise. thankx
ron - let's wait to see what jennifer recommends before you/i call kevin martin.
thankx
Ron Ferrell wrote:
John,
Kevin Martin called concerning this project. He said that Wetlands/401
had sent a letter putting the project on hold because you had not been
notified that WRP would be able to handle the mitigation for the
project. As you can see from the attached message from Mac sent to you
and Jennifer on May 3, we have informed you and the WSRO that we would
accept payment for this project. I know from Jennifer's response that
there are other concerns with the project, and I certainly have no
interest in whether or not a 401 is issued, but I did want to make sure
you were aware that we had agreed to accept. Whether or not y'all agree
to allow the payment is another issue, but it does not seem appropriate
to place the application on hold because WRP has not made a decision,
when in fact we have.
If you ever need us to refuse to accept a payment just let me know and
we will find a reason not to accept.
I have not told Kevin what our decision was on this project but do need
to respond to his letter. Would you prefer that we inform him that WRP
is not available?
Thanks
Ron
1 of 2 6/21/00 11:19 AM
Re: [Fwd: [Fwd: Project: Lowe's kernersville]]
Subject: [Fwd: Project: Lowe's kernersville]
Date: Wed, 14 Jun 2000 14:32:22 -0400
From: Mac Haupt <[e-mail]>
Organization: NCWRP
To: Ron Ferrell <Ron.Ferrel I @ncmail.net>
Subject: Project: Lowe's kernersville
Date: Wed, 03 May 2000 14:38:41 -0400
From: Mac Haupt <[e-mail]>
Organization: NCWRP
To: John Dorney <[e-mail]>,
Jennifer Frye <[e-mail]>
The purpose of this email is to notify you of the North Carolina Wetlands Restoration Program's
(NCWRP) intention to accept payment into the Wetland Restoration Fund for compensatory
mitigation for stream/wetland impacts for the following project:
Project name: Lowe's (Kernersville)
Project manager/consultant: Kevin Martin, S&EC
River Basin: Yadkin
County: Forsyth
DWQ Project # (if known):
COE Project # (if known): 200020203
CAMA Project # (if known):
Wetland impact:
Stream impact: 499 linear feet
Wetland mitigation:
Stream mitigation: up to 1,000 linear feet
The NCWRP is revising the process for notification to applicants for request-to-pay into the
Wetlands Restoration Fund. We will. be notifying the 401. Wetlands Group and Regional offices
requesting a response before we notify the applicant. If for any reason you feel that the NCWRP
should not accept payment for the above project, please notify me by email or phone [phone]
within 5 working days upon receipt of this message. If no response is received within 5 working
days, NCWRP assumes you concur with this payment.
2 of 2 6/21/00 11:19 AM
bb/b2/2UUU UU:1 t bUl4b4yJMU ULAKK UIV1L LNUKU
- -4 sex e.. • ?, . R _ o-rrurete i r I-Mil 4b 758 3643 TO 91 S0; 4Ea WQ.
i
State of North C?oilna
Department of Erivlronment
- - - a.
Dlvtst ty on ?ttutal. of R Water eMZ4s...
James B. Hunt. Jr.,?ovemor
591 Holman, Secrets Fy
Kerr T. Stevens, Ditdctor
CFA _D MArL-RETUiN R rt`II+T RA Q
Mr. Nicky Wagoner
Low's Company
HWY 264 Rant North
wiikaaboro. KC 28636
PAUL UQ
P . d?2/02
MI.W2
IT
NCDENR
May 24.2000
Re: Lowes, Kernarsviile
P"011t County
DWQ 0 991207
i??Y L:i?'•%

The Divicim of Water Qtta* has reviewed roar OWN recant attbmitW dated April 19.2000. VA tuaved
by dtts 011100 May 1. 2000. for a 401 coraftatlon for the subject prejaot Your application was not
cotapiete since do bllowitj itiftmatloe has oat baba provided. TM lalbrination is We by DWQ in
order for a to dactde wb*U* this project Can be approved.
Stormwater pond plans and 4miticatioss - This Office requires all plan details. includia8 Own for the
outlet structure. Aho. the iodation of the outfall structure is located too close to the fbmbay and should be
relooved at the opposite endiftam the inlet. Mean All out the attached worksheet which will aid in a timely
review of ttte sm. wear ant plans.
Stream impacts -1t it sot claler ft m the plans end your mponn if the proposed impacts will b* 499 feet at
proposed, 8tafr Atom our Rational ter ,ce determined that tht Sediment and Erosion Coned plans
submitted to the Division of k4md Rceoarcas indicate streartn im"cu in excess of SOD fee. Abm this Office
is coneernW that the hydraullc eneril at the exit of the proposed culvert and diesipator will be excessive.
70quxing additional impacts thmugh strum hwlenin`. The ealeulewd velocity of approximately 9 feet pet
second from the discharge of !the proposed vulvcn seems excessive. Please keep to mitre that all stmaw.
cManai and bank work must bs indicated as impacts,
I Can be reached 0 919-735.11786 if you kavo any quesuons• Until this information is retaeived, ! win puce
this project on hold duo to indon*ace intbrmadon (15A NCAC 2M .0507(a)(4)),
Attachment
cc: Winston.$alotttDWQR4iooal0ffrce
Todd St. John
Central File
FRO Copy
001 R"dy Crawk Road; Raleo, NC 27607
An Equal Opportunity AMrmo" Action ErnpWW
S' ly.
J ptyt't sti Program
Telephone [phone] FAX [phone]
50% rowe4 w 10% post-consumer pqw
** T_1TAL PWwt.02 **
V?z
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
CERTIFIED MAIL-RETURN RECEIPT REQUESTED
Mr. Nicky Wagoner
Lowe's Company
HWY 268 East North
Wilkesboro, NC 28656
Dear Mr. Wagoner:
4?
00
NCDENR
May 24, 2000
Re: Lowes, Kernersville
Forsyth County
DWQ # 991207
The Division of Water Quality has reviewed your most recent submittal dated April 19, 2000, and received
by this Office May 1, 2000, for a 401 Certification for the subject project. Your application was not
complete since the following information has not been provided. The information is needed by DWQ in
order for us to decide whether this project can be approved.
Stormwater pond plans and specifications - This Office requires all plan details, including those for the
outlet structure. Also, the location of the outfall structure is located too close to the forebay and should be
relocated at the opposite end from the inlet. Please fill out the attached worksheet which will aid in a timely
review of the stormwater management plans.
Stream impacts - It is not clear from the plans and your response if the proposed impacts will be 499 feet as
proposed. Staff from our Regional Office determined that the Sediment and Erosion Control plans
submitted to the Division of Land Resources indicate stream impacts in excess of 500 feet. Also, this Office
is concerned that the hydraulic energy at the exit of the proposed culvert and dissipator will be excessive,
requiring additional impacts through stream hardening. The calculated velocity of approximately 9 feet per
second from the discharge of the proposed culvert seems excessive. Please keep in mind that all stream
channel and bank work must be indicated as impacts.
I can be reached at 919-733-1786 if you have any questions. Until this information is received, I will place
this project on hold due to incomplete information (15A NCAC 211 .0507(a)(4)).
Attachment
cc: Winston-Salem DWQ Regional Office
Todd St. John
Central Files
File Copy
4401 Reedy Creek Road, Raleigh, NC 27607
An Equal Opportunity Affirmative Action Employer
mey
Quality CertiZati Program
Telephone [phone] FAX [phone]
50% recycled/ 10% post-consumer paper
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
CERTIFIED MAIL-RETURN RECEIPT REQUESTED
Mr. Nicky Wagoner
Lowe's Company
HWY 268 East North
Wilkesboro, NC 28656
Dear Mr. Wagoner;
X

NCDENR
May 23, 2000
Re: Lowes, Kernersville
Forsyth County
DWQ # 991207
The Division Water Quality has reviewed your most recent submittal dated April 19, 2000, and received
by this Office , for a 401 Certification for the subject project. Your application was not complete since4he
following information has not been provided. The information is needed by DWQ in order for us to decide
whether this project can be approved.
Stormwater pond plans and specifications - This Office requires all plan details, including those for the
outlet structure. Also, the location of the outfall structure is located too close to the forebay and should be
relocated at the opposite end from the inlet. Please fill out the attached worksheet which will aid in a timely
review of the stormwater management plans.
Stream impacts - It is not clear from the plans and your response if the proposed impacts will be 499 feet as
proposed. Staff from our Regional Office determined that the Sediment and Erosion Control plans
submitted to the Division of Land Resources indicate stream impacts in excess of 500 fe . lso,,ihis
Office is concerned that the hydraulic energy at the exit of the proposed culvert an dissap or will be
excessive, requiring additional impacts through stream hardening. The calculated velo ' f approximately
9 feet per second from the discharge of the proposed culvert seems excessive. Please keep i mind that all
stream channel and bank work must be indicated as impacts.
I can be reached at 919-733-1786 if you have any questions. Until this information is received, I will place
this project on hold due to incomplete information (15A NCAC 2H.0507(a)(4)).
Sincerely,
John R. Dorney
Water Quality Certification Program
Attachment
cc: Winston-Salem DWQ Regional Office
Todd St. John
Central Files
File Copy
4401 Reedy Creek Road, Raleigh, NC 27607 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper
v

Project No.
DIVISION OF WATER QUALITY
DWO Stormwater Management Plan Review:
(to be provided by DWQ)
401 WET DETENTION BASIN WORKSHEET
A complete stormwater management plan submittal includes a wet detention basin worksheet for each basin,
design calculations, plans and specifications showing all basin and outlet structure details, and a fully executed
operation and maintenance agreement. An incomplete submittal package will result in a request for additional
information and will substantially delay final review and approval of the project.
1. PROJECT INFORMATION (please complete the following information):
Project Name :
Contact Person: Phone Number:
For projects with multiple basins, specify which basin this worksheet applies to:.
Basin Bottom Elevation
Permanent Pool Elevation
Temporary Pool Elevation
Permanent Pool Surface Area
Drainage Area
Impervious Area
Permanent Pool Volume
Temporary Pool Volume
Forebay Volume
SA/DA used
Diameter of Orifice
ft. (average elevation of the floor of the basin)
ft. (elevation of the orifice invert out)
ft. (elevation of the outlet structure invert in)
sq. ft. (water surface area at permanent pool elevation)
ac. (on-site and off-site drainage to the basin)
ac. (on-site and off-site drainage to the basin)
cu. ft. (combined volume of main basin and forebay)
cu. ft. (volume detained on top of the permanent pool)
cu. ft.
(surface area to drainage area ratio)
in. (draw down orifice diameter)
II. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices manual
(N.C. Department of Environment, Health and Natural Resources, November 1995) and Administrative Code
Section: 15 A NCAC 2H .1008. Initial in the space provided to indicate the following design requirements have
been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of
why.
Applicants Initials
The temporary pool controls runoff from the 1 inch storm event.
The basin length to width ratio is greater than 3:1.
The basin side slopes are no steeper than 3:1.
A submerged and vegetated perimeter shelf at less than 6:1 is provided.
Vegetation to the permanent pool elevation is specified.
An emergency drain is provided to drain the basin.
The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet).
The temporary pool draws down in 2 to 5 days.
The forebay volume is approximately equal to 20% of the total basin volume.
Sediment storage is provided in the permanent pool.
Access is provided for maintenance.
A minimum 30-foot vegetative filter is provided at the outlet.
A site specific operation and maintenance (O&M) plan is provided.
A vegetation management/mowing schedule is provided in the O&M plan.
Semi-annual inspections are specified in the O&M plan.
A debris check is specified in the O&M plan to be performed after every storm event.
A specific sediment clean-out benchmark is listed (elevation or depth) in O&M plan.
A responsible party is designated in the O&M plan.
FORM SWG100 09/97 Page 1 of 1

05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 01/08
NORTH CAROLINA -
OF T
DEPARTMENT
ENVIRONMENT AND
:NATURAL RESOURCES
_ R"'-
WINSTON-SALEM REGIONAL. OFFICE
FAX TRANSMITTAL.
Division of Water Quality
585 Waughtown Sheet
Winston-Salem, N-C. 27107
Phone: [phone] Fax: [phone] . 630
TO
FAX NUMBER:
FROM
-- -73,3- L
DATE: 9 00
Number of pages (including cover page):
COMwIENTS:
f

" I/ f

105/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 02/08
RE: Kemersville. NC (Lowe's Home tmprnvement s(ore)
Subject: RE: Kernersville, NC (Lowe's Home Improvement store)
Date: Thu, 18 May 2000 08:46:30 +0100
From: "Scott McGee" <smcgeel 1 CPhome.com>
To: "Jennifer Frye" <jennifer.fryeCancmail.net>
I believe we sent the Stormwater and application to your office in
Winton-Salem. Should that be directed to Mr. Todd St. Johns in Raleigh or
was the report we sent forwarded on to him? Do you have Mr. St. Johns
address?
Thank you for your help.
Scott McGee
Ozark Civil Engineering
-----Original Message-----
From: Jennifer Frye [mailto:jennifer.Erve?ncMail.net)
Sent: Thursday, May 18, 2000 2:23 PM
To: Scott McGee
Subject: Re: Kernersville, NC (Lowe's Home Improvement store)
The General Permit to which Lindy is referring is a NPDES general permit for
stormwater discharge. This
permit is issued automatically with the Sediment and Erosion Control
approval. Projects disturbing 5 acres
or more of land are required to be covered by this permit. This permit has
various limitations and
monitoring requirements.
What I had discussed with Lance is the permanent stormwater requirements.
When a 401 WQ Certification is
needed and the activity is commercial or industrial (may include residential
in the near future), permanent
stormwater measures are required by the Division of Water quality and
reviewed by the Central Wetlands Unit
in Raleigh (Todd St. John). So for the Lowes project, both the NPDES
general permit and 401 stormwater
management are required.
Let me know if you have any additional questions.
Jenni f er
Scott McGee wrote:
> Dear Ms. Frye:
> We have been working with Mr. Lindy Leonard on our Erosion Control Plans
and
> permit. Y thought x understood him to say that he would be issuing us the
> general stormwater permit along with our erosion control for the project.
> we wanted to check with you to make sure that is correct or did we miss
> understand him. Lance Mills with our office thought he had a conversation
> with you on our stormwater report submitted for the Kornersville project
> several weeks ago. Please advise.
>
> Thank you for your help.
> Scott McGee, P.E.
> Regional Manager
> Ozark civil Engineering, Inc.
> [e-mail]
>
1 of 2 5/18/2000 3:38 PM
05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 03/08
Re: Project: Lowe's kemersville
Subject: Re: Project: Lowe's kernersville
Date: Thu, 04 May 2000 07:13:47 -0400
From: John Dorney <[e-mail]>
To: Jennifer Frye <[e-mail]>
nope - we would let WRP make their own decision about accepting the responsibility for more mitigation.
frankly they have probably bit off too much to handle as it is. also if there is a suitable on-site mitigation
location, the applicant should be "forced" to mitigate on site.
Jennifer Frye wrote:
Okay. Would you then recommend that WRP accept their payment?
John Dorney wrote:
sound logical execpt that the cultural resources problems are none of our business (they are the COE's
concerns but not the 401 program's).
Jennifer Frye wrote:
This project has several problems. First, Cultural Resources objects to the project due to potential
impacts to a historical property (the George Washington Smith house). Second, review of their
Sediment and Erosion Control Plan by Land Quality shows culverting and impact in excess of 500
LF. The plan they submitted to DLQ is far different from the one submitted to the Corps and DWQ.
If they, in fact do plan to impact greater than 500 LF, this office feels that the Corps should require
an Individual Permit. Until such time that the above problems are addressed, I do not believe that
WRP should accept payment. If you have any questions, please e-mail or call 336-771-4600 ext.
275.
Thank you,
Jennifer
Mac Haupt wrote:
The purpose of this email is to notify you of the North Carolina Wetlands Restoration Program's
(NCWRP) intention to accept payment into the Wetland Restoration Fund for compensatory
mitigation for stream/wetland impacts for the following project:
Project name: Lowe's (Kernersville)
Project manager/consultant: Kevin Martin, S&EC
River Basin: Yadkin
County: Forsyth
DWQ Project # (if known):
COE Project # (if known): 200020203
CAMA Project # (if known):
Wetland impact:
Stream impact: 499 linear feet
I of 2 514/2000 8:25 ANO.
05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 04/08
Re: Project: Lowe's kernersville
'W'etland mitigation:
Stream mitigation: up to 1,000 linear feet
The NCWRP is revising the process for notification to applicants for request-to-pay into the
Wetlands Restoration Fund. We will be notifying the 401 Wetlands Group and Regional offices
requesting a response before we notify the applicant. If for any reason you feel that the NCWRP
should not accept payment for the above project, please notify me by email or phone 919
733-5314 within 5 working days upon receipt of this message. If no response is received within 5
working days, NCWRP assumes you concur with this payment.
2 of 2 514/2000 8:25 AM
05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 05/08
Rc: 99 1207 Iowa; of kemcrvillc
Subject: Re: 991207 [owes of kernersville
Date: Fri, 31 Mar 2000 08:11:12 -0300
From: "Thomas, John T JR SAW" <John.T.Thomas.JRgsaw02.usace.army.mil>
To: Jennifer Frye <[e-mail]>
Jennifer
This project also has other problems- Cultural Resources (Renee Gledhill
Early) notified us that the George Washington Smith House (FY 332) which is
determined eligible for the National Register of Historic Places is located
within the footprint of the proposed project. We have recommended that
Lowe's go into consultation with Cultural Resources about this one. This
could become a major problem for Lowe's in regards to Section 404
permitting.
John Thomas
1 of 1 4/3/2000 8.41 AN
05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 06/08
Re: Lowes of Kemersville 991207
Subject: Re: Low+es of Kernersville 991207
Date: Mon, 24 Apr 2000 07:16:19 -0500
From: "Thomas, John T JR SAW" <John.T.Thomas.JRC saw02.usace.army.mil>
To: Jennifer Frye <jennifer.fryeQncmail.net>
Jennifer Frye
Lowe's applied by PCN for 499 linear feet of impacts. John Dorney should
have copy of the request. It was done by Kervin Martin.
The request is on hold at this time, becacuse of Cultural Resources
objection: to poptential impacts to a historical property (the George
Washington Smith House FY 332).
John Thomas
1 of 1 4/252000 8:58 AN
05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 07/08
Lower at Kenwsville, NC
Subject: Lowes at Kernersville, NC
Date: Thu, 30 Mar 200011:16:12 -0500
From: Chris Hite <[e-mail]>
Organization: NC DENR Land Quality
To: Jennifer Frye <[e-mail]>
Hey Jennifer. As we discussed, this note is being sent to document some concerns regarding the proposed
Lowes at Kernersville, NC project. The proposed erosion control plan includes a 465 feet box culvert
installation along a stream running through the property. The plan also indicates that the designers are
trying to keep the impact to this channel below 500 feet, in order to avoid a permit review by the Army
Corps of Engineers. My concern is that the plan, as drawn, will not be approvable without adequate energy
dissipation (rip-rap) below the culvert outlet. Additionally, the stream channel above the culvert inlet is
armored with rip-rap, from the Harmon Mill Centre (WalMart) project. If these rip-rap installations are
taken into account, I suspect that more than 500 feet of this stream channel may actually be impacted.
Additionally, if the proposed retaining wall at the southern perimeter of the site is not approved (by us, or
by another governing agency), then the necessary fill slope along the southern project boundary would
likely cause the culvert pipe to be extended to a length greater than 500 feet. I just thought that you should
be made aware of the impact to this channel.
Chris
1 of 1 41312000 8:40 AN
. 05/19/2000 09:12 3367714630 DIV OF WATER QUALITY PAGE 08108
991207 ]owes of keme: Mlle
Subject: " 1207 loaves of kernersville
Date: Thu, 30 Mar 2000 11:36:24 -0500
From: Jennifer Frye <[e-mail]>
Organization: NC DENR Water Quality
To: Cyndi Bell <[e-mail]>,
John Thomas <[e-mail]>,
John Dorney <john.dorney @ncmail.net>
I just talked to Chris this morning about this and asked him to put his
comments in an e-mail so that I could forward them to you. I have also
talked to the engineer and he will be adding a note on the construction
sequence that the contractor is to contact me post -flagging of the
channel but pre-installation of the culvert so that I can check their
linear footage.
Jon
Subject: Lowes at Kernersville, NC
Date: Thu, 30 Mar 2000 11:16:12 -0500
From: Chris Hite <[e-mail]>
Organization: NC DENR Land Quality
To: Jennifer Frye <[e-mail]>
Hey Jennifer. As we discussed, this note is being sent to document some concerns regarding the proposed
Lowes at Kernersville, NC project. The proposed erosion control plan includes a 465 feet box culvert
installation along a stream running through the property. The plan also indicates that the designers are
trying to keep the impact to this channel below 500 feet, in order to avoid a permit review by the Army
Corps of Engineers. My concern is that the plan, as drawn, will not be approvable without adequate energy
dissipation (rip-rap) below the culvert outlet. Additionally, the stream channel above the culvert inlet is
armored with rip-rap, from the Harmon Mill Centre (Wa1Mart) project. If these rip-rap installations are
taken into account, I suspect that more than 500 feet of this stream channel may actually be impacted.
Additionally, if the proposed retaining wall at the southern perimeter of the site is not approved (by us, or
by another governing agency), then the necessary fill slope along the southern project boundary would
likely cause the culvert pipe to be extended to a length greater than 500 feet. I just thought that you should
be made aware of the impact to this channel.
Chris
1 Of 1 3/31/2000 7:26 Ah
AAA
h/)Vf y4
Memorandum To:
From:
Subject:
Cre'
DWQ## 991-207
They are proposing a stormwater pond. I will need all plan details, including those for the
outlet structure. Also, the location of the outfall structure is located too close to the inlet
and forebay and should be relocated at the opposite end from the inlet. Please attach the
attached worksheet to the next correspondence to help gather the necessary information.
Also, the calculated velocity of approximately 9 feet per second from the discharge of the
proposed culverting of the existing stream seems excessive. DLR would likely require rip
rapping the entire channel which would be additional impact. It is not clear if the
dissipator was included as part of the stream impact.

5

-NID

L owes of Kemersville 99 1207
Subject: Lowes of Kernersville 991207
Date: Mon, 17 Apr 2000 15:36:08 -0400
From: Jennifer Frye <[e-mail]>
Organization: NC DENR Water Quality
To: John Thomas <[e-mail]>
CC: Cyndi Bell <[e-mail]>
FYI
Just looked at the most recent edition of Sed. and Erosion Control plans
(dated 4/10/00) with Land Quality, primarily Sheet 7. They are showing
at least 550 if of impact (including energy dissapators and road
construction); naturally, they did not submit a copy of this to me.
Have they addressed the Cultural Resources issue?
Thanks,
Jen
L
V? /- y r /II ??i??

1 of 1 4/18/00 1:20 PM
??A
HCDENR
DIVISION OF WATER QUALITY
May 8, 2000
Memorandum To: John Dorney
From: Todd St. John
Subject: Lowes
Forsyth County
DWQ# 991207
They are proposing a stormwater pond. I will need all plan details, including those for the
outlet structure. Also, the location of the outfall structure is located too close to the inlet
and forebay and should be relocated at the opposite end from the inlet. Please attach the
attached worksheet to the next correspondence to help gather the necessary information.
Also, the calculated velocity of approximately 9 feet per second from the discharge of the
proposed culverting of the existing stream seems excessive. DLR would likely require rip
rapping the entire channel which would be additional impact. It is not clear if the
dissipator was included as part of the stream impact.

A
a?
D\
Q

14
Dorney 0',, l 0( Regional Contact: Jennifer Frye
charge Branch WO Supervisor: I arry Coble
Date: 3/-2€i/-20190-
LAND STAFF REPORT AND RECOMMENDATIONS
z 'Lowes Co, Inc
ember 99 1207
.Ocvd From APP
Received Date 11/5/99 Recvd By Region 3/9/2000
Project Type commercial development
County Forsyth
County2
Region Winston-Salem
Certificates Stream
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
26 Stream FT O N ? 12-94-12-2 WSIII rF- 30,704. ?- 499.00
Mitigation Wetland
MitigationType Type Acres Feet
Stream WRP Stream F 499.00
Is Wetland Rating Sheet Attached? O Y Q N Did you request more info? OQ Y O N
Have Project Changes/Conditions Been Discussed With Applicant? O Y 0 N
Is Mitigation required? OQ Y O N Recommendation: O issue * Issue/fond O Deny
Provided by Region: Latitude (ddmmss) 360626 Longitude (ddmmss) 800616
Comments:
WSRO recommends that this Certification be issued with the following conditions:
1 _ They need to submit documentation from WRP stating that payment into the fund will be
acceptad.
2. Their stormwater management plan must meet DWO approval.
cc: Regional Office
Central Office Page Number 1
99 12071owes of kernersville
4 A
Subject: 991207 lowes of kernersville
Date: Thu, 30 Mar 2000 11:36:24 -0500
From: Jennifer Frye <[e-mail]>
Organization: NC DENR Water Quality
To: Cyndi Bell <[e-mail]>,
John Thomas <[e-mail]>,
John Dorney <[e-mail]>
I just talked to Chris this morning about this and asked him to put his
comments in an e-mail so that I could forward them to you. I have also
talked to the engineer and he will be adding a note on the construction
sequence that the contractor is to contact me post -flagging of the
channel but pre-installation of the culvert so that I can check their
linear footage.
Jen
Subject: Lowes at Kernersville, NC
Date: Thu, 30 Mar 2000 11:16:12 -0500
From: Chris Hite <[e-mail]>
Organization: NC DENR Land Quality
To: Jennifer Frye <Jennifer.Frye @ ncmail.net>
Hey Jennifer. As we discussed, this note is being sent to document some concerns regarding the proposed
Lowes at Kernersville, NC project. The proposed erosion control plan includes a 465 feet box culvert
installation along a stream running through the property. The plan also indicates that the designers are
trying to keep the impact to this channel below 500 feet, in order to avoid a permit review by the Army
Corps of Engineers. My concern is that the plan, as drawn, will not be approvable without adequate energy
dissipation (rip-rap) below the culvert outlet. Additionally, the stream channel above the culvert inlet is
armored with rip-rap, from the Harmon Mill Centre (Wa1Mart) project. If these rip-rap installations are
taken into account, I suspect that more than 500 feet of this stream channel may actually be impacted.
Additionally, if the proposed retaining wall at the southern perimeter of the site is not approved (by us, or
by another governing agency), then the necessary fill slope along the southern project boundary would
likely cause the culvert pipe to be extended to a length greater than 500 feet. I just thought that you should
be made aware of the impact to this channel.
Chris
1 of 1 4/3/00 3:23 PTV
[Fwd: 99 1207 lower of kernersville]
I %
Subject: [Fwd: 99 1207 lowes of kernersville]
Date: Fri, 31 Mar 2000 15:46:48 -0500
From: Jennifer Frye <jennifer.frye @ ncmail.net>
Organization: NC DENR Water Quality
To: Cyndi Bell <[e-mail]>
CC: John Dorney <[e-mail]>, Ron Linville <[e-mail]>,
Chris Hite <[e-mail]>
Subject: Re: 9912071owes of kernersville
Date: Fri, 31 Mar 2000 08:11:12 -0500
From: "Thomas, John T JR SAW" <[e-mail]>
To: Jennifer Frye <[e-mail]>
Jennifer
This project also has other
Early) notified us that the
determined eligible for the
within the footprint of the
Lowe's go into consultation
could become a major problem
permitting.
John Thomas
problems. Cultural Resources (Renee Gledhill
George Washington Smith House (FY 332) which is
National Register of Historic Places is located
proposed project. We have recommended that
with Cultural Resources about this one. This
m for Lowe's in regards to Section 404
1 of 1 4/3/00 3:33 P1V.
MEMORANDUM
TO: John Dorney Regional Contact:
Non-Discharge Branch WO Supervisor:
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Lowes Co, Inc County Forsyth
Project Number 99 1207 County2
Recvd From APP Region Winston-Salem
Received Date 11/5/99 Recvd By Region 3/9/2000
Project Type commercial development
Certificates Stream Stream Impacts (ft.)
Permit Wetland Wetland Wetland Stream Class Acres Feet a
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
26 Stream PT @N F 12-94-12-2 wSIII 30,704. F- 499.00 499.00 1-
fiF_o Y O NF-f-F-f -F-f F- f
Mitigation Wetland
MitigationType Type Acres Feet
Stream oVRP Stream 499.00
F_ I F_
Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? 10 Y 0 N
Have Project Changes/Conditions Been Discussed With Applicant? 0 Y 6 N
Is Mitigation required? 0 Y 0 N Recommendation: 0 Issue 0 Issue/fond 0 Deny
Provided by Region: Latitude (ddmmss) 360626 Longitude (ddmmss) 800616
Comments:
WSRO recommends that this Certification he issued with the following conditions:
cc: Regional Office Page Number 1
Central Office
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Lowe's Company Inc.
CERTIFIED MAIL-RETURN RECEIPT REQUESTED
Attn: Mr. Nicky Wagoner
HWY 268 East North
Wilkesboro, NC 28656
Dear Mr. Wagoner:
• •
NC ENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
April 6, 2000
DWQ Project # 991207
Forsyth County
The Division of Water Quality has reviewed your plans for the discharge of fill material into 499
linear feet of streams located at South Main Street and Business 40 in Forsyth County for construction of a
Lowe's in Kernersville as described in your application dated February 24, 2000. Insufficient evidence is
present in our files to conclude that your project must be built as planned in waters and/or wetlands in
accordance with 15A NCAC 2H.0506. Therefore, unless modifications of the proposal are made as
described below, we will have to move toward denial of your 401 Certification as required by 15A NCAC
211 .0507(e) and will place this project on hold as incomplete until we receive this additional information,
we are requesting (by copy of this letter) that the U.S. Army Corps of Engineers place your project on
administrative hold.
Please provide us with information supporting your position that states your project must be
constructed as planned and that you have no practicable alternative to placing fill in these waters and/or
wetlands. Specifically can you culvert this stream and install downstream energy dissipation (i.e., riprap)
and not exceed the 500 foot threshold for NWP26? Detailed drawings and calculations will be needed to
demonstrate this. Any documentation such as maps and narrative that you can supply to address alternative
designs for your project may be helpful in our review of your 401 Certification. Also this project will
require compensatory mitigation as described in 15A NCAC 2H.0506(h). Your mitigation proposal is
insufficient because we have no evidence in our files that the NC Wetlands Restoration Program will accept
this payment.
. Please respond within three weeks of the date of this letter by sending a copy of this information to
me and to the Ms. Jennifer Frye, Winston-Salem Regional Office at [phone]. If we do not hear from
you in three weeks, we will assume that you no longer want to pursue this project and we will consider the
project as withdrawn. I can be reached at 919-733-9646 if you have any questions.
i erel ,
Jo R. Do y
cc: Winston-Salem DWQ Regional Office
Raleigh Field Office Corps of Engineers
Central Files
File Copy
Kevin Martin; Soil & Environmental Consultants
Ron Ferrell; WRP
Wetlands/401 Unitl621 Mail Service Center Raleigh, North Carolina 27669-1621
Telephone [phone]FAX # [phone]
An Equal Opportunity Affirmative Action Employer
50% recycled/10% post consumer paper

TABLE OF CONTENTS
STORM WATER MANAGEMENT REPORT
FOR THE PROPOSED
LOWE'S HOME CENTER
IN
KERNERSVILLE, NORTH CAROLINA
Ozark Civil Engineering Project No. 99.0029
No. Description
Storm Water Management Report
APPENDICES
A. TR-55 Data Sheets
B. Flood Information
C. Calculations - Pond, Orifice & Weir Design
D. Sediment Calculations
FIGURES
1. Pre-Developed Area
2. Post-Developed Area
3. USGS
i
nark
Civil Engineering Inc.
1010 NW "J" St., Suite' f' • Bentonville, AR 72712
501-464-8850 telephone . [phone] fax
Storm Water Management Report
For the Proposed Lowe's Home Center
In Kernersville, North Carolina
Project # 99.0029
EXECUTIVE SUMMARY
The site's overall drainage area surface flows into a drainage ditch, which splits
the property, or flows directly into Smith Creek located at the south property line.
The proposed development is designed to follow the same pattern and will be
released at a rate less than the pre-developed rate for the 2, 10, 25 and 50 year
storm events. The detention pond is additionally designed to control the runoff
from the 1 inch storm, which will pass through a forebay pond. A three foot
permanent pool is provided in the pond in order to capture the total suspended
solids as set forth by the NCDENR Best Management Practices guidelines dated
April 1999. The 1 inch storm event will be released over 50 plus hours through a
designed orifice outlet.
A vegetated berm between the forebay and main detention body will be
established with a combination of Spike Rush, Cattails, Sawgrass, Blackneedle
Rush, Lizard Tail and/or Fresh Water Needle Rush. Additionally, a 6:1 bench is
provided at the permanent pool elevation. See the construction plans for detail
drawings.
The following report describes the assumptions and calculations made during the
design of the storm water management facilities. Tables have been provided
throughout the report for easy reference.
Project Description
The following is the storm water management report for the proposed Lowe's
Home Centers located near the intersection of South Main Street and Harmon
Creek Road, in the City of Kernersville, Forsyth County, North Carolina. The
I 1
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 2
cover sheet of the construction drawings presents a vicinity map of the site and
surrounding area. The proposed Lowe's Home Center will contain an 115,438
square foot store. All of the development has been accounted for in the storm
water calculations. The proposed road improvements to Harmon Creek Road
have been accounted for in the drainage system. The system will contain a main
detention pond body and a forebay area for removal of suspended solids.
The Storm Water Management (SWM) facilities are required to control the first
(1 ") inch of runoff from the site and has been sized to control the 2, 10, 25 and 50
year storm events. All release rates will be restricted to be less than or equal to
pre-developed rates. The calculations show a decrease in the release rate from
the pond discharge point. The 100-year storm event will pass through the top of
the outlet control structure and out the exit pipe. An emergency spillway has
been provided in the pond bank.
The SWM facilities will also serve as sediment basins during the construction
phase. Also note that the pond will be a wet detention pond in order to satisfy
the requirements of the Division of Water Quality of NCDENR. These
calculations are also included with this report. The first (1") inch of rainfall
volume will be released over a period of between two and five days.
PRE-DEVELOPED CONDITIONS
The overall drainage area consists of approximately 21.86 acres. The site has
steep terrain with some rural housing with grassed open space. The majority of
the drainage area flows to a central ditch then into Smith Creek located at the
southern end of the property then onto the Yadkin River Basin. Figure 1 shows
the approximate drainage area and drainage ditches across the property. The
layout and design of the proposed detention basin will allow discharge below the
pre-developed rate.
Off-site water from the development to the north is received onto the subject
property by a large box drainage structure. The drainage from the box is
received from two interlinked detention ponds that meet pre-developed rates.
This box will be extended through the site and will not enter the on-site detention
basin.
Surface runoff from the subject property enters Smith Creek then onto the Yadkin
River Basin. A separate analysis will be completed for the impact to the flood
plain and drainage ditch to be filled. Figure 3 is a copy of the USGS for the
project area.
s
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 3
According to the FEMA Flood Insurance Rate Map the site lies within the SFHA
Zone AE and A which mandates that flood insurance be purchased for most
developments located within this zoning classification. The southern end of the
site lies within the 100-year flood plain. The 100-year flood elevation is elevation
872 MSL. The finished floor elevation of the proposed building is 895 MSL.
Appendix B contains FEMA flood information for the site.
Runoff calculations under existing conditions
The site is made up of steep terrain with some rural residential development. A
drainage ditch splits the property and flows south to Smith Creek. The runoff for
both the existing and developed condition was calculated using Technical
Release 55 (TR-55). This method considers land use, time of travel for runoff,
rainfall events and the size of the area in order to determine the storm water
runoff. The rainfall events were determined from the rainfall data maps from the
Erosion and Settlement Design Manual for North Carolina dated September 1,
1988.
The rainfall amounts will vary based on the design storm. The area is also
analyzed to determine its current land use and a runoff curve number is then
generated for the site. Next, the time of concentration, travel time in minutes
from the most remote point of the drainage basin to the outlet point is determined
and these items are used in the calculation to determine the runoff flow (Q)
before development.
Runoff curve number
The runoff curve number is based on land use for the area and percent of the
area with that type of use. For example, pavement has a runoff curve number of
98 as it is almost entirely made of impervious area. This number also takes into
account the soil type as determined by the soil conservation service. The soils
are then classified as type A.B.C. or D with each having varying rates of runoff.
This site is comprised primarily of type B soils. A weighted curve number for this
site with type B soils is calculated taking in consideration of existing structures
and pavement. The weighted curve number was calculated as 72.
Time of concentration
The time of concentration is based on three types of travel path: Sheet flow for
up to 150 feet, shallow concentrated flow and / or open channel flow in ditches or
pipes.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 4
The most remote time of concentration is comprised of sheet flow for 150 feet at
4.67% slope. The runoff then becomes shallow concentrated flow for another
469 feet at 10.0%. Finally, runoff is conveyed into a ditch for 747 feet at 1.61%
slope into Smith Creek. From the TR-55 calculations, we determined the time of
concentration to be as follows:
150' sheet flow at 4.67%, 469' shallow concentrated flow at 10.0% and 747'
channel flow at 1.61 %
TC = 0.27 hours = 16.2 minutes
Runoff Calculations - Tabular Hydrograph Method
Per TR-55, the runoff was calculated for both areas, and a hydrograph generated
from these calculations. This was accomplished for the 2, 10, 25, 50 and 100-
year storm events based on the curve number and time of concentration. The
results are as follows.
Pre-developed
Storm Event Run Off
2 Year 25 cfs
10 Year 53 cfs
25 Year 65 cfs
50 Year 81 cfs
100 Year 98 cfs
POST-DEVELOPED CONDITIONS
In the developed conditions, the site is drained into one basin with a forebay
treatment pond. The outlet box from the development to the north will be routed
through the site. The following tables break down the basins into areas.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 5
Post-developed Drainage Areas
Area Acres Description
1.0 14.90 Building, parking lot, detention pond and landscape
areas
1.1 1.54 Harmon Creek Road improvements
Subtotal 16.44 Total Area of Detention
2.0 5.42 Undisturbed, pervious flood plain area - south side of
building and detention pond
Total 21.86 Total Drainage Area
Runoff Calculations: Developed Conditions
In the developed state, runoff from 16.44 acres is taken to the pond. This
assumes a conservative 98% impervious area because the area is primarily
made up of building rooftop, asphalt parking lot and streets. The site will be fully
developed during the construction period.
Runoff Curve Number:
A curve number of 98 is used due to the large area of impervious area (building
and parking lot).
Time of concentration:
The time of concentration in the developed condition that was used in the design
was a very conservative 0.1. This is the minimum value that TR-55 will allow.
Post-developed (Tc) TC= 0.1 hours = 6 mins
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 6
Graphical Peak Discharge
The runoff for the developed condition is calculated using TR-55. The
calculations were performed for the 2,10,25, 50 & 100 year storm events. The
results are as follows:
Post-developed Conditions
Storm Event Run Off
2 Year 85 cfs
10 Year 126 cfs
25 Year 142 cfs
50 Year 162 cfs
100 Year 183 cfs
SWM Facilities Sizing and Routing
The SWM facilities as seen on the grading plan are sized to accommodate the
required storage volume as determined by TR-55 so that the pre-developed
release rates for the subareas are not exceeded.
Pond
Storm Event Required Volume Required Volume
1 inch 1.12 ac-ft 48,755 cf
2 Year 1.70 ac-ft 74,052 cf
10 Year 2.10 ac-ft 91,476 cf
25 Year 2.20 ac-ft 95,832 cf
50 Year 2.40 ac-ft 104,544 cf
100 Year 2.50 ac-ft 108,900 cf
The pond will have a bottom elevation of 873 MSL, Permanent Pool Elevation of
876, Top of control structure elevation of 878.66, top berm elevation of 881 MSL,
and an emergency spillway elevation of 880 MSL. The forebay volume is
approximately 16,636 cf. The side slope is 3:1 (horizontal to vertical) down to a
vegetated perimeter shelf with 6:1 (horizontal to vertical) side slopes at 876 MSL.
The total volume of the pond is 3.72 ac-ft.
Stormwater Management Report
Executive Summary
Kernersville, NC199-0029
Page 7
The required volumes were utilized with the "growth" function in Microsoft
Excel TM to estimate the elevation at which the volumes are achieved. Using
these elevations, the head on the outlet structure for each storm event was used
to determine the proper weir and orifice outlet size in order to control for the pre-
developed flow rate. For example, the 2-year storm event to release at the pre-
developed 2-year flow rate.
The outlet structure for the pond will consist of a box outlet structure with an
orifice to control the first one (1 ") inch rainfall and maintain the permanent pool
elevation. A weir opening in the box will control the 2, 10, 25 and 50 year storm
events. The 100-year storm will be released through the top of the control
structure box. -
The outlets were sized using the following equations:
Orifice Q=0.6A(2gh) 112
Weir , Q=3.33(b)(h)312
For the pond, these equations (refer to calculations in appendix C) determined
that a 3 inch orifice at elevation 876 will control the one (I") inch rainfall and a
15 foot wide weir opening at elevation 877.33 will control the 2, 10, 25 and 50
year storm events with the top of the box at the 50 year storm event height of
878.66 (see detail in appendix C).
Pond
Storm Stage Volume Release
1 inch 877.33 1.12 ac-ft 0.26 cfs
2 Year 877.93 1.70 ac-ft 23.28 cfs
10 Year 878.35 2.10 ac-ft 51.16 cfs
25 Year 878.45 2.20 ac-ft 59.19 cfs
50 Year 878.66 2.40 ac-ft 76.38 cfs
100 Year 878.76 2.50 ac-ft 183 cfs
? s
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 8
Conclusions
Based on the provided data, the proposed pond discharge will not exceed the
pre-developed release rate into the receiving systems.
The design is based on and limited by the weather data, the analysis and their
applicability as presented herein. This development, with recommended
improvements constructed per the site development plans prepared by Ozark
Civil Engineering, Inc., is deemed not to increase existing endangerment to life or
property in the surrounding area.
Respectfully submitted,
Scott P. McGee, P.E.
Regional Manager ????Num?xu;u
,gwffi H CA
P0
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io kessi .
SEAL
025094
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Todd A. Butler, P.E.?
President
e e
Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:12 02-01-2000 D:\projects\KERNPOND.TCT
Kernersville, NC
Pre-Developed Time of Concentration
Tc COMPUTATIONS FOR: Area 1
SHEET FLOW (Applicable to Tc only)
Segment ID AB
Surface description Grass
Manning's roughness coeff., n 0.2400
Flow length, L (total < or = 300) ft 150.0
Two-yr 24-hr rainfall, P2 in 3.500
Land slope, s ft/ft 0.0467
0.8
.007 * (n*L)
T = -------------- hrs 0.22 = 0.22
0.5 0.4
P2 * s
SHALLOW CONCENTRATED FLOW
Segment ID BC
Surface (paved or unpaved)? Unpaved
Flow length, L ft 469.0
Watercourse slope, s ft/ft 0.1001
0.5
Avg.V = Csf * (s) ft/s 5.1047
where: Unpaved Csf = 16.1345
Paved Csf = 20.3282
T = L / (3600*V) hrs 0.03 = 0.03
CHANNEL FLOW
Segment ID CD
Cross Sectional Flow Area, a sq.ft 32.50
Wetted perimeter, Pw ft 14.50
Hydraulic radius, r = a/Pw ft 2.241
Channel slope, s ft/ft 0.0161
Manning's roughness coeff., n 0.0350
2/3 1/2
1.49 * r * s
V = --------------- ----- ft/s 9.2514
n
Flow length, L ft 747
T = L / (3600*V) hrs 0.02 = 0.02
..................... ........... ......... ..TOTAL TIME (hrs)... 0.27

Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:37 02-01-2000
Kernersville, NC
Pre-Developed Curve Number
RUNOFF CURVE NUMBER SUMMARY
Subarea Area CN
Description (acres) (weighted)
------------- --------- ------------
21.86 72
Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:37 02-01-2000
Kernersville, NC
Pre-Developed Curve Number
RUNOFF CURVE NUMBER DATA
Composite Area:
AREA CN
SURFACE DESCRIPTION (acres)
-------------------------------- --------- ----
Open Space with grass cover 19.36 69
Impervious area - buildings, 2.50 98
COMPOSITE AREA ---> 21.86 72.3 ( 72 )
.....................................................
.....................................................
l •
Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Page 1
»» Input Parameters Used to Compute Hydrograph ««
Subarea AREA CN Tc * Tt Precip. I Runoff Ia/p
Description (acres)
----------
--------- (hrs)
------ (hrs) (in) I
------------------- (in) input/used
------------------
---------------
Area 1 --
20.32 73.0 0.30 0.00 3.50 1
---------- 1.18 .21 .30
------------------
---------------
* Travel time ------------
from subarea ---------
outfall ---------------
to composite watershed ou tfall point.
Total area = 20.32 acres or 0.03175 sq.mi
Peak discharge = 22 cfs
»» Computer Modifications of Input
------------------------------------------------
Input Values Rounded Values
Subarea Tc * Tt Tc * Tt
Description (hr) (hr) (hr) (hr)
------------------------------------------------
Area 1 0.27 0.00 0.30 0.00
------------------------------------------------
* Travel time from subarea outfall to composite
Parameters ««<
-------------------------
Ia/p
Interpolated Ia/p
(Yes/No) Messages
-------------------------
No --
-------------------------
watershed outfall point.

Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
»» Summary of Subarea Times to Peak <<<<
Subarea
--------------
Area 1
--------------
Composite Watershed
Peak Discharge at
Composite Outfall
(cfs)
--------------
22
--------------
22
Page 2
Time to Peak at
Composite Outfall
(hrs)
------------
12.3
------------
12.3

Quick TR-55 Version: 5.46 SIN: Page 3
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Composite Hydrograph Summary (cfs)
Subarea 11.0 11.3 11.6 11.9 12.0 12.1 12.2 12.3 12.4
Description hr hr hr hr hr
- hr
------- hr
------- hr
------- hr
------
---------------
Area 1 --------
0 -------
0 --------
0 -------
0 ------
2
----- 9
------- 20
------- 22
------ 17
-------
---------------
Total (cfs) --------
0 -------
0 --------
0 -------
0 --
2 9 20 22 17
---------------
Subarea ---------
12.5 -------
12.6 -------
12.7 -------
12.8 ------
13.0 --------
13.2 ------
13.4 --------
13.6 ------
13.8
Description
--------------- hr
--------- hr
------- hr
------- hr
------- hr
----- hr
------- hr
------- hr
-------- hr
------
Area 1 11 8 6 5 7
4
-- 3
------- 3
------- 3
-------- 2
------
---------------
Total (cfs) ---------
11 -------
8 -------
6 ------
5 -----
4 3 3 3 2
---------------
Subarea --------
14.0 -------
14.3 --------
14.6 -------
15.0 -------
15.5 -------
16.0 -------
16.5 ------
17.0 -------
17.5
Description hr hr hr hr hr hr hr
----- hr
------- hr
-------
---------------
Area 1 --------
2 -------
2 --------
2
- -------
2
------ -------
1
-------- ------
1
------ --
1
------- 1
------- 1
-------
---------------
Total (cfs) --------
2 -------
2 -------
2 2 1 1 1 1 1
---------------
Subarea --------
18.0 -------
19.0 --------
20.0 -------
22.0 ----------------------------------
26.0
Description
--------------- hr
-------- hr
------- hr
-------- hr
------- hr
----------------------------------
Area 1 1 1
------ 1
-------- 1
------- 0
---------------------------------
---------------
Total (cfs) --------
1 -
1 1 1 -
0.
or •
Quick TR-55 Version: 5.46 S/N:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Time Flow Time Flow
(hrs)
- (cfs)
--------- (hrs)
-------- (cfs)
---------
-------
11.0 0 14.8 2
11.1 0 14.9 2
11.2 0 15.0 2
11.3 0 15.1 2
11.4 0 15.2 2
11.5 0 15.3 1
11.6 0 15.4 1
11.7 0 15.5 1
11.8 0 15.6 1
11.9 0 15.7 1
12.0 2 15.8 1
12.1 9 15.9 1
12.2 20 16.0 1
12.3 22 16.1 1
12.4 17 16.2 1
12.5 11 16.3 1
12.6 8 16.4 1
12.7 6 16.5 1
12.8 5 16.6 1
12.9 4 16.7 1
13.0 4 16.8 1
13.1 4 16.9 1
13.2 3 17.0 1
13.3 3 17.1 1
13.4 3 17.2 1
13.5 3 17.3 1
13.6 3 17.4 1
13.7 2 17.5 1
13.8 2 17.6 1
13.9 2 17.7 1
14.0 2 17.8 1
14.1 2 17.9 1
14.2 2 18.0 1
14.3 2 18.1 1
14.4 2 18.2 1
14.5 2 18.3 1
14.6 2 18.4 1
14.7 2 18.5 1
Page 4
It x
Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Time Flow Time Flow
(hrs) (cfs)
----- (hrs)
-------- (cfs)
---------
--------
18.6 ----
1 22.4 1
18.7 1 22.5 1
18.8 1 22.6 1
18.9 1 22.7 1
19.0 1 22.8 1
19.1 1 22.9 1
19.2 1 23.0 1
19.3 1 23.1 1
19.4 1 23.2 1
19.5 1 23.3 1
19.6 1 23.4 1
19.7 1 23.5 1
19.8 1 23.6 1
19.9 1 23.7 1
20.0 1 23.8 1
20.1 1 23.9 1
20.2 1 24.0 0
20.3 1 24.1 0
20.4 1 24.2 0
20.5 1 24.3 0
20.6 1 24.4 0
20.7 1 24.5 0
20.8 1 24.6 0
20.9 1 24.7 0
21.0 1 24.8 0
21.1 1 24.9 0
21.2 1 25.0 0
21.3 1 25.1 0
21.4 1 25.2 0
21.5 1 25.3 0
21.6 1 25.4 0
21.7 1 25.5 0
21.8 1 25.6 0
21.9 1 25.7 0
22.0 1 25.8 0
22.1 1 25.9 0
22.2 1
22.3 1
Page 5
x
Quick TR-55 Version: 5.46 S/N:
»»> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersville, NC
Pre-Developed Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPREl.GPD
Drainage Area (acres) 21.86 ---> 0.0342 sq.mi.
Runoff Curve Number (CN) 72
Time of Concentration,Tc (hrs) .27
Rainfall Distribution (Type) II
Pond and Swamp Areas M 0 ---> 0.0 acres
Storm #1 Storm #2
------- Storm #3
--------
Frequency (years) --------
2 -
10 25
Rainfall, P, 24-hr (in) 3.5 5.1 5.7
Initial Abstraction, Ia (in) 0.778 0.778 0.778
Ia/p Ratio 0.222 0.153 0.136
Unit Discharge, * qu (csm/in) 645 681 689
Runoff, Q (in) 1.12 2.28 2.75
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 25
------------- 53
--------- 65
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
C1 #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 707.898 707.898 707.898
Ia/p #2 0.300 0.300 0.300
CO #2 2.465 2.465 2.465
Cl #2 -0.623 -0.623 -0.623
C2 #2 -0.117 -0.117 -0.117
qu (csm) #2 604.844 604.844 604.844
* qu (csm) 645 681 689
* Interpolated for computed Ia/p ratio (betw een Ia/p #1 & Ia/p #2)
If computed Ia/p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.mi.) * Q(in.) * (Pond & Swa mp Adj.)

Quick TR-55 Version: 5.46 SIN:
>>>>> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersville, NC
Pre-Developed Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPRE2.GPD
Drainage Area (acres) 21.86 ---> 0.0342 sq.mi.
Runoff Curve Number (CN) 72
Time of Concentration,Tc (hrs) .27
Rainfall Distribution (Type) II
Pond and Swamp Areas M 0 ---> 0.0 acres
Storm #1 Storm #2
- Storm #3
--------
Frequency (years) --------
50 -------
100 1 inch
Rainfall, P, 24-hr (in) 6.5 7.3 1.0
Initial Abstraction, Ia (in) 0.778 0.778 0.778
Ia/p Ratio 0.120 0.107 0.778
Unit Discharge, * qu (csm/in) 698 705 311
Runoff, Q (in) 3.41 4.09 0.01
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 81
------------- 98
--------- 0
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.500
CO #1 2.553 2.553 2.203
Cl #1 -0.615 -0.615 -0.516
C2 #1 -0.164 -0.164 -0.013
qu (csm) #1 707.898 707.898 310.570
Ia/p #2 0.300 0.300 0.500
CO #2 2.465 2.465 2.203
Cl #2 -0.623 -0.623 -0.516
C2 #2 -0.117 -0.117 -0.013
qu (csm) #2 604.844 604.844 310.570
* qu (csm) 698 705 311
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1 & Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.mi.) * Q(in.) * (Pond & Swa mp Adj.)
x
Quick TR-55 Version: 5.46 SIN:
>>>>> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersville, NC
Post-Development Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPSTI.GPD
Drainage Area (acres) 16.44 ---> 0.0257 sq.mi.
Runoff Curve Number (CN) 98
Time of Concentration,Tc (hrs) .1
Rainfall Distribution (Type) II
Pond and Swamp Areas M 0 ---> 0.0 acres
Storm #1 Storm #2
---- Storm #3
--------
Frequency (years) --------
2 ----
10 25
Rainfall, P, 24-hr (in) 3.5 5.1 5.7
Initial Abstraction, Ia (in) 0.041 0.041 0.041
Ia/p Ratio 0.012 0.008 0.007
Unit Discharge, * qu (csm/in) 1010 1010 1010
Runoff, Q (in) 3.27 4.86 5.46
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 85
------------- 126
--------- 142
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
Cl #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 1009.997 1009.997 1009.997
Ia/p #2 0.100 0.100 0.100
CO #2 2.553 2.553 2.553
Cl #2 -0.615 -0.615 -0.615
C2 #2 -0.164 -0.164 -0.164
qu (csm) #2 1009.997 1009.997 1009.997
* qu (csm) 1010 1010 1010
* Interpolated f or computed Ia/p ratio (between Ia/p #1 & Ia/p #2)
If computed Ia /p exceeds Ia/p limits, bounding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.m i.) * Q(in.) * (Pond & Swamp Adj.)
s
Quick TR-55 Version: 5.46 SIN:
>>>>> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersville, NC
Post-Development Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPST2.GPD
Drainage Area (acres) 16.44 ---> 0.0257 sq.mi.
Runoff Curve Number (CN) 98
Time of Concentration,Tc (hrs) .1
Rainfall Distribution (Type) II
Pond and Swamp Areas M 0 ---> 0.0 acres
Storm #1
- Storm #2
-- Storm #3
--------
Frequency (years) -------
50 ------
100 1 inch
Rainfall, P, 24-hr (in) 6.5 7.3 1.0
Initial Abstraction, Ia (in) 0.041 0.041 0.041
Ia/p Ratio 0.006 0.006 0.041
Unit Discharge, * qu (csm/in) 1010 1010 1010
Runoff, Q (in) 6.26 7.06 0.79
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 162
------------- 183
--------- 21
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
Cl #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 1009.997 1009.997 1009.997
Ia/p #2 0.100 0.100 0.100
CO #2 2.553 2.553 2.553
C1 #2 -0.615 -0.615 -0.615
C2 #2 -0.164 -0.164 -0.164
qu (csm) #2 1009.997 1009.997 1009.997
* qu (csm) 1010 1010 1010
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1 & Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( C1 * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.mi.) * Q(in.) * (Pond & Swa mp Adj.)
s
Quick TR-55 Version: 5.46 SIN:
>>>>> DETENTION STORAGE ESTIMATE <<<<<
Kernersville, NC
Detention Storage for 2 10 25 year storms
CALCULATED
DISK FILE: D:\projects\KERNPOND.DET
Drainage Area (acres) 16.44 0.0257 sq.mi.
Rainfall Distribution (Type) II
Storm #1 Storm #2 Storm #3
--------
Frequency (years) --------
2 --------
10 25
Peak Inflow, qi (cfs) 85 126 142
Inflow Runoff, Q (in) 3.27 4.86 5.46
Peak Outflow, qo (cfs) 25 53 65
qo/qi Ratio 0.294 0.421 0.458
* Vs/Vr Ratio 0.383 0.311 0.294
Inflow Volume, Vr (ac-ft) 4.5 6.7 7.5
STORAGE VOLUME, Vs (ac-ft)
------------------------------ 1.7
----------- 2.1
--------------- 2.2
-------
Summary of Volume Computations
CO 0.682 0.682 0.682
Cl -1.430 -1.430 -1.430
C2 1.640 1.640 1.640
C3 -0.804 -0.804 -0.804
* Vs/Vr 0.383 0.311 0.294
2 3
* Vs/Vr = CO + ( C1*(qo/qi) ) + ( C2*(qo/qi) ) + ( C3* (qo/qi) )
Graphical Peak Discharge File Used for Inflow Data:
D:\projects\KERNPSTI.GPD
Graphical Peak Discharge File Used for Outflow Data:
D:\projects\KERNPREl.GPD
Ap.
Quick TR-55 Version: 5.46 SIN:
>>>>> DETENTION STORAGE ESTIMATE <<<<<
Kernersville, NC
Detention Storage for 50 100 and 1 inch storm
CALCULATED
DISK FILE: D:\projects\KERNPON2.DET
Drainage Area (acres) 16.44 0.0257 sq.mi.
Rainfall Distribution (Type) II
Storm #1 Storm #2 Storm #3
--------
Frequency (years) --------
50 --------
100 1 inch
Peak Inflow, qi (cfs) 162 183 21
Inflow Runoff, Q (in) 6.26 7.06 .79
Peak Outflow, qo (cfs) 81 98 0
qo/qi Ratio 0.500 0.536 0.000
* Vs/Vr Ratio 0.276 0.263 0.682
Inflow Volume, Vr (ac-ft) 8.6 9.7 1.1
STORAGE VOLUME, Vs (ac-ft)
------------------------------ 2.4
----------- 2.5
--------------- 0.7
-------
Summary of Volume Computations
CO 0.682 0.682 0.682
Cl -1.430 -1.430 -1.430
C2 1.640 1.640 1.640
C3 -0.804 -0.804 -0.804
* Vs/Vr 0.276 0.263 0.682
2 3
* Vs/Vr = CO + ( C1*(qo/qi) ) + ( C2*(qo/qi) ) + ( C3*(qo/qi) )
Graphical Peak Discharge File Used for Inflow Data:
D:\projects\KERNPST2.GPD
Graphical Peak Discharge File Used for Outflow Data:
D:\projects\KERNPRE2.GPD

N EPA HALF
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Page 3 of 10
Project: Kernersville, NC
Project #: 99-0029
Ozark Civil Engineering, Inc.
Water Quality Calculations (TSS)
POND 1
Water Quality Calculations
Drainage Area = 16.44 Acres
Impervious Area = 14.01 Acres
Percent Impervious = 85.2%
Permanent Pool Depth = 3 feet
From Chart: For 85% TSS REMOVAL (30' VEGETATED FILTER REQUIRED)
Percentage Above 80% 3.36 Corresponding Chart Number
Percentage Below 90% 3.74 Corresponding Chart Number
Percent Impervious 85.27/63.55 Linear Estimate
Surface Area Required
3.55 /100 * 16.44 = 0.5842 Acres
25,445.68 Feet
Check
Volume Controlled From 1 inch Storm Required
Formula Used: Rv = .05 + .009(1)
Rv = 0.8170 in./in.
Volume Required = 1" x Rv x 1"/12' x Drainage Area
Volume Required = 1.1193 Acre-Feet
48,754.53 Cubic Feet (CF)
Forebay Volume Required (20% Min
Permanent Pool Volume Provide = 74,570.00
Forebay Volume = 14,914.00 CF 200/6
Volume Provided = 16,636.00 CF 22%
(sufficient ?) YES
2/3/00
END OF CALCULATIONS
,Ap",
Project: Kernersville, NC Ozark Civil Engineering, Inc. 2/3/00
Project #: 99-0029
Water Quality Calculations (TSS)
TSS SA/DA Ratio Charts
Chart 1 For 85% TSS REMOVAL IN THE PIEDMONT
Permanent Pool Depth (feet)
% Impervious Cover 3.0 4.0 5.0 6.0 7.0 8.0 9.0
10% 0.59 0.49 0.43 0.35 0.31 0.29 0.26
20% 0.97 0.79 0.70 0.59 0.51 0.46 0.44
30% 1.34 1.08 0.97 0.83 0.70 0.64 0.62
40% 1.73 1.43 1.25 1.05 0.90 0.82 0.77
50% 2.06 1.73 1.50 1.30 1.09 1.00 0.92
60% 2.40 2.03 1.71 1.51 1.29 1.18 1.10
70% 2.88 2.40 2.07 1.79 1.54 1.35 1.26
80% 3.36 2.78 2.38 2.10 1.86 1.60 1.42
90% 3.74 3.10 2.66 2.34 2.11 1.83 1.67
Chart 2 For 85% TSS REMOVAL (30' VEGETATED FILTER REQUIRED )
Permanent Pool Depth (feet)
% Impervious Cover 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
10% 0.90 0.80 0.70 0.60 0.50 0.00 0.00 0.00 0.00 0.00
20% 1.70 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50
30% 2.50 2.20 1.90 1.80 1.60 1.50 1.30 1.20 1.00 0.90
40% 3.40 3.00 2.60 2.40 2.10 1.90 1.60 1.40 1.10 1.00
50% 4.20 3.70 3.30 3.00 2.70 2.40 2.10 1.80 1.50 1.30
60% 5.00 4.50 3.80 3.50 3.20 2.90 2.60 2.30 2.00 1.60
70% 6.00 5.20 4.50 4.10 3.70 3.30 2.90 2.50 2.10 1.80
80% 6.80 6.00 5.20 4.70 4.20 3.70 3.20 2.70 2.20 2.00
90% 7.50 6.50 5.80 5.30 4.80 4.30 3.80 3.30 2.80 1.30
100% 8.20 7.40 6.80 6.20 5.60 5.00 4.40 3.80 3.20 2.60
Chart 3 For 90% TSS REMOVAL (NO VEGETATED FILTER REQUIRED)
Permanent Pool Depth (feet)
% Impervious Cover 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
10% 1.30 1.00 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10
20% 2.40 2.00 1.80 1.70 1.50 1.40 1.20 1.00 0.90 0.60
30% 3.50 3.00 2.70 2.50 2.20 1.90 1.60 1.30 1.10 0.80
40% 4.50 4.00 3.50 3.10 2.80 2.50 2.10 1.80 1.40 1.10
50% 5.60 5.00 4.30 3.90 3.50 3.10 2.70 2.30 1.90 1.50
60% 7.00 6.00 5.30 4.80 4.30 3.90 3.40 2.90 2.40 1.90
70% 8.10 7.00 6.00 5.50 5.00 4.50 3.90 3.40 2.90 2.30
80% 9.40 8.00 7.00 6.40 5.70 5.20 4.60 4.00 3.40 2.80
90% 10.70 9.00 7.90 7.20 6.50 5.90 5.20 4.60 3.90 3.30
100% 12.00 10.00 8.80 8.10 7.30 6.60 5.80 5.10 4.30 3.60
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Calculation for Sediment
Area 1 - Wet Pond
Drainage Area 16.44 Acres
Impervious Area 14.01 Acres
Percent Impervious 85.2%
Minimum Required Surface Area of Pond
A .01q provides greater than 75% trapping efficiency
q Peak inflow rate for 10 year event
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A = .01 q x 43560 35,792.00 SF
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Acres Min. (inches) (feet)
16.44 0.5 8.2 1.0 minimum
OR
Simple Method (1) _
Rv=.05+.009(1) 85.2% 0.816970803
Voume = 48,754.53 CF
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GRAPHIC SCALE
low 2WO
11

i inch = 2000 it
REFERENCE: USGS 7.5 MINUTE
KERNERSVILLE, NORTH CAROLINA
1969 - REVISED 1994
a
Sc bna bel SCALE 1»=2000'
TOPOGRAPHIC SITE LOCATION MAP FIGURE NO.
_ DRAWN BY
CAB PHASE I ESA CADD NO.
Engineering DESIGNED BY GGM LOWE'S HOME CENTER 999069FG1
PROJECT N
Sc"'°bs, E'9`'°°`'"9 Ammckdm in, DATE 1124 f 00 KERNERSVILLE, NORTH CAROLINA 999069

Soil & Environmental Consultants, Inc.
231 16th Avenue NE ¦ Hickory, North Carolina 28601 ¦ [phone] ¦ Fax [phone]
is a revised 401, Water Quality Certification request; therefore, another check
attached.
f a? -z
,e
a?
US Army Corps of Engineers
Attn: Mr. John Thomas
6508 Falls of the Neuse Road %-
Suite 120
Raleigh, North Carolina 27615

February 24, 2000
SEC File # 2-1310
NCDEISR - DWQ
Attn:;. John Dorney
44:014Ze dy Creek Drive
Raleigh, North Carolina 27607
RE: Revision of Nationwide Permit/401 Water Quality Certification Request
Lowe's
Kernersville, Forsyth County, North Carolina
USACE Action ID #: 200020203/DWQ ID #: 991207
Dear Mr. Thomas and Mr. Dorney:
On behalf of Lowe's Company Incorporated, we hearby request authorization to use
Nationwide Permit 26 and its associated 401 Water Quality Certification for the subject
property to cover impacts to waters of the US. Please note that a previous application
dated November 4, 1999 was submitted for this project, and that this application revises
it. irilpacts to waters of the US have been minimized to meet the requireme;,ts of tie
aforementioned Nationwide Permit. The project as currently proposed impacts 499 linear
feet of waters of the US. These impacts are to an unnamed tributary of Smith Creek.
Please note that the agent authorization letter, wetland delineation, alternatives analysis,
channel analysis, and mitigation analysis provided in the original application remain
applicable to the project/permit application. The only feasible site plan, based on the
alternative analysis, has been completely revised to minimize impacts to the maximum
extent practical. The channel analysis previously submitted indicated that the channel
that is proposed to be impacted is important, but not significant due to its lack of
sinuosity, presence of failing vertical side banks, degree of entrenchment, excessive
amounts of sedimentation, and lack of adjacent wetlands. The mitigation analysis
determined that on-site mitigation would most likely be unsuccessful due to limited space
created by the development plan and topography of the site and the high velocity of
stormwater discharges from impervious surfaces upstream. Based on the results of the
m.i, ;,hannell, and mitigation analysis and en riversriinns with Mr. Thomas,
Wetland Delineation/Permitting/Mitigation Soil/Site Evaluation for On-Site Septic Systems Environmental Assessments
Home Office: 244 West Millbrook Road Raleigh, North Carolina 27609 Phone: [phone] Fax: [phone]
February 24, 2000
SEC File # 2-1310
Page 2 of 2
we propose mitigation through the North Carolina Wetland Restoration Program at a one
to one ratio for the 499 linear feet of impact.
Construction of a wet detention basin is proposed as part of the facility's stormwater
management plan. The basin will not impact waters of the US. Please refer to Figure 2 -
Revised Site Plan/Impact Map for the location of the proposed stormwater detention
basin.
Sincerely,
Kevin C. Martin
President
Attachments: Pre-construction Notification Form
Figure 1 - Location Map
Figure 2 - Revised Site Plan/Impact Map
Stormwater Management Report (Mr. Dorney only)
c: Todd Butler, Ozark Civil Engineering, Inc.
DWQ ID: 991207
USACE Action ID: 200020203
Nationwide Permit Requested (Provide Nationwide Permit ft 26
Pre-Construction Notification Application
For Nationwide Permits that Require:
1) Notification to the Corps of Engineers
2) Application for Section 401 Certification
3) Coordination with the NC Division of Coastal Management
Send the original and (1) copy of this completed form to the appropriate field office of
the Corps of Engineers (see agency addresses sheet). Seven (7) copies should be sent to
the NC Division of Environmental Management (see agency addr `?esheet). PLEASE
PRINT.
1. Owner's Name: LOWE'S COMPANY INCORPORATED
ATTN: MR. NICKY WAGONER
2. Mailing Address: HWY 268 EAST e
yob
Subdivision Name:
City: NORTH WILKESBORO State: NC Zi Code: 656
r
Project location address, including subdivision name (if different from mailing address
above):
LOWE'S
SOUTH MAIN STREET
KERNERSVILLE, NC
3) Telephone Number (Home): (Work): [phone]
4) If applicable, agent's name or responsible corporate official, address, phone
number:
SOIL & ENVIRONMENTAL CONSULTANTS, INC. PHONE: [phone]
244 WEST MILLBROOK ROAD FAX: [phone]
RALEIGH, NC 27609
5. Location of work (provide a map, preferable a copy of USGS topographic map or
aerial photograph with scale):
County: FORSYTH Nearest town or city: KERNERSVILLE
Specific Location (include road numbers, landmarks, etc.):
SOUTH MAIN STREET EXIT OFF BUSINESS 40, LEFT ONTO SOUTH MAIN
STREET, RIGHT ONTO SR 2776, SITE LOCATED BETWEEN SOUTH MAIN
STREET AND SR 2776 AND ON THE LEFT SIDE OF SR 2776 ALONG SMITH
CREEK, FORSYTH COUNTY, NC. SEE ATTACHED FIGURE 1 - LOCATION
MAP
6. Impacted or nearest stream/river: UNNAMED TRIBUTARY OF SMITH CREEK
River Basin: YAD KIN
7a. Is project located near water classified as trout, tidal saltwater (SA), high quality
waters (HQW), outstanding resource waters (ORW), water supply (WS-1 or WS-
II)? YES ? NO ® If yes, explain:
7b. If the project is located within a North Carolina division of coastal management
area of environmental concern (AEC)? YES ? NO
7c. If the project is located within a coastal county (see page 7 for list of coastal
counties), what is the land use plan (LUP) designation?
8a. Have any Section 404 permits been previously requested for use on this property?
YES ? NO ® If yes, provide Action ID number of pervious permit and
any additional information (including photocopy of 401 certification).
8b. Are additional permit requests expected for this property in the future?
YES ? NO ® If yes, describe anticipated work:
9a. Estimated total number of acres in tract of land: APPROXIMATELY 12 ACRES
WITHIN PROJECT AREA
9b. Estimated total number or acres of wetlands located on project site: NO
IMPACTS TO WETLANDS ARE PROPOSED
10a. Number of acres of wetlands' impacted by the proposed project by:
Filling: 0.092
Flooding:
Drainage:
'WATERS OF THE US
Excavation:
Other:
Total acres to be impacted: 0.092
10b. (1) Stream channel to be impacted by the proposed project (if relocated,
provide distance both before and after relocation):
Length before: 499 FT
After: P I P E
Width Before (based on normal high water contours): 8 FT
Width After: PIPE
Average depth before: 3-6 IN
After: P I P E
(2) Stream channel impacts will result from: (check all that apply)
Open channel relocation: ? Placement of pipe in channel:
Channel Excavation: ? Construction of a Dam/ Flooding: ?
Other:
11. If construction of a pond is proposed, what is the size of the watershed draining to
the pond? CONSTRUCTION OF A WET DETENTION BASIN IS PROPOSED AS
PART OF THE FACILITY'S STORMWATER MANAGEMENT PLAN. THE SIZE
OF THE WATERSHED DRAINING TO THE BASIN IS APPROXIMATELY 22
ACRES. THE BASIN WILL NOT IMPACT WATERS OF THE US. PLEASE
REFER TO FIGURE 2 - REVISED SITE PLAN/IMPACT MAP FOR THE
LOCATION OF THE BASIN.
What is the expected pond surface area? 40,491 FT2
12. Description of proposed work including discussion of type of mechanical
equipment to be used (attach plans 81/2" x 11" drawings only):
THE SITE DEVELOPMENT AND INFRASTRUCTURE IS PLANNED FOR
PROPOSED COMMERCIAL DEVELOPMENT. TYPICAL EQUIPMENT WILL BE.
UTILIZED.
13. Purpose of proposed work:
PROVIDE EMPLOYMENT OPPORTUNITIES AND ALLOW FOR THE
DEVELOPMENT OF THIS COMMERCIAL PROPERTY
14. State reasons why it is believed that this activity must be carried out in wetlands
(include any measures taken to minimize wetland impacts):
ACCORDING TO DEVELOPER, TOPOGRAPHICAL FEATURES DICTATE THE
MOST ECONOMICAL PLACEMENT OF THE PROPOSED FACILITY, AND CUT
AND FILL REQUIREMENTS AND DIMENSIONAL ASPECTS OF SITE DICTATE
PLACEMENT OF BUILDINGS AND REQUIRED FILL.
15. You are required to contact the U.S. Fish and Wildlife Service (USFWS) and/or
National Marine Fisheries Service (NMFS) (see agency addresses sheet) regarding
the presence of any federally listed or proposed for listing endangered or
threatened species or critical habitat in the permit area that may be affected by the
proposed project. Date contacted: (attach responses from these agencies).
TO BE COMPLETED BY USACE AS NEEDED
16. You are required to contact the state historic preservation officer (SHPO) (see
agency address sheet) regarding the presence of historic properties in the permit
area which may be affected by the proposed project. Date contacted:
TO BE COMPLETED BY USACE AS NEEDED
17. Does the project involve an expenditure of public funds or the use of public (state)
land?
YES ? NO ® If no, go to 18.
a. If yes, does the project require preparation of an environmental document
pursuant to the requirements of the North Carolina Environmental Policy
Act?
YES ? NO ?
b. If yes, has the document been reviewed through the North Carolina
Department of Administration State Clearinghouse?
YES ? NO ?
If answers to 17b is YES, then submit appropriate documentation from the state
clearinghouse to division of environmental management regarding compliance
with the North Carolina Environmental Policy Act.
Questions regarding the State Clearinghouse review process should be directed to
Ms. Chrys Baggett, Director State Clearinghouse, North Carolina Department of
Administration, 116 West Jones Street, Raleigh, North Carolina 27603-8003,
telephone [phone].
18. The following items should be included with this application if proposed activity
involves the discharge of excavated or fill material into wetlands:
a. Wetland delineation map showing all wetlands, streams, lakes and ponds on
the property (for Nationwide Permit numbers 14, 18, 21, 26, 29 and 38). All
streams (intermittent and permanent) on the property must be shown on the
map. Map scales should be 1 inch equals 50 feet or 1 inch equals 100 feet or
their equivalent.
b. If available, representative photograph of wetlands to be impacted by project.
C. If delineation was performed by a consultant, include all data sheets relevant
to the placement of the delineation line.
d. Attach a copy of the stormwater management plan, if required.
e. What is land used of surrounding property?
RESIDENTIAL AND COMMERCIAL
f. If applicable, what is proposed method of sewage disposal?
EXISTING SANITARY SEWER SYSTEM
g. Signed and dated agent authorization letter, if applicable.
NOTE: Wetlands or Waters of the U.S. may not be impacted prior to:
1. Issuance of a Section 404 Corps of Engineers Permit,
2. Either the issuance or waiver of a 401 Division of Environmental
Management (Water Quality) certification, and
3. (in the twenty coastal counties only) A letter from the North Carolina
Division of Coastal Management stating the proposed activity is consistent
with the North Carolina Coastal Management pro arn.
Owner's gene Signature Date
(Agent's signature valid only if Agent Authorization Letter from the owner is provided
(18 g.))
SITE VICINITY MAP
LOWE'S KERNERSVILLE SITE
S&EC, INC. 99-2-1310

APPROX. I MILE
APPROX. 1000 FEET
i
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I`
JTY G910 Iwo 19911 YAIE,If. Hp1IH
DLLUMTM XT CEII U SHEET
KERNERSVILLE, N. C.
36080-A 1-T F-024
¦
N. C. ^-il`J
QUADRANGLE LOCATION
1969
REVISED 1994
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State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
1 • •
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
December 17, 1999
Lowe's Company, Inc.
C/o Mr. Nicky Wagoner
Highway 26B East
North Wilkesboro, North Carolina 28656
Lear Mr.Wagoner:
Subject: 401 Water Quality Certification
Lowe's - South Main Street
Forsyth County
DWQ #: 991207
On November 5, 1999 you wrote to the Division of Water Quality requesting a 401 Water Quality
Certification for your project to fill wetlands development of the Lowe's - South Main Street in
Kernersville in Forsyth County. The US Army Corps of Engineers has informed us that this project will
require an Individual Permit rather than a Nationwide Permit. We cannot continue to process your
application until the Corps begins the permitting process. Therefore I must hereby place this project on
indefinite hold until you and the US Army Corps of Engineers gather the necessary information to develop
an acceptable Individual permit application. Please refer to DWQ #: 991207 on all future correspondence.
This letter replaces the one sent to you, which was dated 8 December 1999. If you believe that this
decision is in error, please call me at 919-733-1786 to discuss the matter.
Program
Division of Coastal Management Raleigh Field Office'
Winston-Salem DWQ Regional Office
U.S. Army Corps of Engineers Wilmington District Office
File Copy .AA ,,
e?trisi?IIgsniaTl, Soil and Environmental Consultants, ?t?1lttN 1v`-9__-cko
Central Files _ cnL c.. f
cc:
2n:>-t%0
Environmental Sciences Branch 1621 Mail Service Center Ra'.eigh, North Carolina 27669-1621
Telephone [phone] FAX # [phone]
An equal Opportunity Affirmative Action Employer 516% recycieri%i Cl - nose consumer nap f-.-
P
01
.
TRANSACTION REPORT
DEC-23-1999 THU 09:21 AM
?c
DATE START RECEIVER TX TIME PAGES TYPE NOTE M# DP

DEC-23 09 : 20 AM 8469467 0 SEND BUSY 105

TOTAL OS PAGES: 0

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Lowe's Company, Inc.
C/o Mr. Nicky Wagoner
Highway 26B East
North Wilkesboro, North Carolina 28656
Dear Mr. Wagoner:
Subject: 401 Water Quality Certification
Lowe's -South Main Street
Forsyth County
DWQ * 991207
NCDENR
NORTH CAROLINA DEPARTMENT OF
F-WRONMENT AND NATURAL RE$OURCES
December 17, 1999
On November 5, 1999 you wrote to the Division of Water Quality requesting a 401 Water Quality
Certification for your project to fill wetlands development or the Lowe's - South Main Street in
Kernersville in Forsyth County. The US Army Corps of Engineers has informed us that this project will
require an Individual Permit rather than a Nationwide Permit. We cannot continue to process your
application until the Corps begins the permitting process. Therefore I must hereby place this project on
indefinite hold until you and the US Army Corps of Engineers gather the necessary information to develop
an acceptable Individual permit application. Please refer to DWQ #: 991207 on all future correspondence.
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Lowe's Company, Inc.
C/o Mr. Nicky Wagoner
Highway 26B East
North Wilkesboro, North Carolina 28656
Dear Mr.Wagoner:
Subject: 401 Water Quality Certification
Lowe's - South Main Street
Forsyth County
DWQ #: 991207
&?WAA
4
•
A00% OOM%
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
December 17, 1999
On November 5, 1999 you wrote to the Division of Water Quality requesting a 401 Water Quality
Certification for your project to fill wetlands development of the Lowe's - South Main Street in
Kernersville in Forsyth County. The US Army Corps of Engineers has informed us that this project will
require an Individual Permit rather than a Nationwide Permit. We cannot continue to process your
application until the Corps begins the permitting process. Therefore I must hereby place this project on
indefinite hold until you and the US Army Corps of Engineers gather the necessary information to develop
an acceptable Individual permit application. Please refer to DWQ #: 991207 on all future correspondence.
This letter replaces the one sent to you, which was dated 8 December 1999. If you believe that this
decision is in error, please call me at 919-733-1786 to discuss the matter.
Program
cc
Division of Coastal Management Raleigh Field Office
Winston-Salem DWQ Regional Office
U.S. Army Corps of Engineers Wilmington District Office
File Copy
Chris Huysman; Soil and Environmental Consultants
Central Files
Environmental Sciences Branch 1621 Mail Service Center Raleigh, North Carolina 27669-1621
Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper
Re: Lowe's Kernersville
Subject: Re: Lowe's Kernersville
Date: Tue, 14 Dec 1999 08:17:43 -0500
From: John Dorney <[e-mail]>
To: Bob Zarzecki <[e-mail]>
please pull file and add this note to it and then put in my inbox. thankx
Bob Zarzecki wrote:
> John -
> Project # 99-1207 / Lowe's Kernersville, Forsyth Co. - Chris Huysman
> called to pass on a message to you regarding this site. Apparently, his
> client recieved a letter from us stating that the project requires a
> Dept. of Coastal Mgt. Permit. (He also said something about the project
> requiring an individual Permit.) I think he was just calling to give
> you a hard time. He wasn't requesting that a new letter be drafted, but
> you might want to check the letter or call him.
> Also, Jamie Shern's telephone number is [phone].
> - Bob Z.
1 of 1 12/16/99 11:48 AM
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Lowe's Company, Inc.
C/o Mr. Nicky Wagoner
Highway 26B East
North Wilkesboro, North Carolina 28656
Dear Mr.Wagoner:
Subject: 401 Water Quality Certification
Lowe's - South Main Street
Forsyth County
DWQ #: 991207
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
December 8, 1999
On November 5, 1999 you wrote to the Division of Water Quality requesting a 401 Water Quality
Certification for your project to fill wetlands for construction of a Lowe's South Main Street in Kernersville
in Forsyth County. The N.C. Division of Coastal Management has informed us that this project will require
a Permit from the N.C. Division of Coastal Management. We cannot continue to process your application
until the Division of Coastal Management (DCM) begins the permitting process. Therefore I must hereby
place this project on indefinite hold until you and Division of Coastal Management gather the necessary
information to develop an acceptable-DCM permit application. Also by copy of this letter, I am also
notifying the U.S. Army Corps of Engineers that this project will need processing by the Division of Coastal
Management.
If you believe that this decision is in error, please call me at 919-733-1786 to discuss the matter.
Sincerely,
f?
Dorn
Wat r Quality Certift ati n Program
cc: Division of Coastal Management Raleigh Field Office
Winston-Salem DWQ Regional Office
U.S. Army Corps of Engineers Wilmington District Office
File Copy
Chris Huysman; Soil and Environmental Consultants
Central Files
Environmental Sciences Branch 1621 Mail Service Center Raleigh, North Carolina 27669-1621
Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper
Newton, North Carolina 28658 ¦ Phone: [phone] ¦
Web Page: www.SandEC.com
S&EC, Inc. 99-2-1310
November 30, 1999
US Army Corps of Engineers
Attn: Mr. John Thomas
6508 Falls of the Neuse Road
Suite 120
Raleigh, NC 27615
Dear Mr. Thomas and Mr. Dorney:
NCDEHNR - DWQ -
Attn: Mr. John Dorney nrr
4401 Reedy Creek Drive " ??? ``
Raleigh, NC 27607
'"t
d ,: UP
We are in receipt of your telephone correspondence that an Individual Permit (IP) will be required for the
project known as Lowe's, South Main Street, Kemersville, Forsyth County, North Carolina. We
understand that the IP is required since impacts exceed 500 linear feet. We have spoken with the
applicant, and they desire to proceed with the application as it was submitted for the entire 700 linear feet
of channel impact.
As stated in the application submitted on November 4, 1999, we propose mitigation for these impacts
through the North Carolina Wetland Restoration Program (NC WRP) at a one to one ratio for the 700
linear feet of impact. We still believe that mitigation should only be required by NC DWQ. If this
mitigation is acceptable, please respond with a statement as soon as possible.
If you have any questions, please call.
st regards,
Biologist
Environmental Consultants,
CS'"
DIVISION OF WATER QUALITY
December 6,1999
Certified Mail P-536 308 484
Return Receipt Requested
Lowe's Company Incorporated
Attn: Mr. Nicky Wagoner
Highway 268 East
North Wilksboro, NC 28656
SUBJECT: Request for Additional Information
DWQ Project # 99 1207
Forsyth County
Dear Mr. Wagoner:
The Division of Water Quality has reviewed your plans for the discharge of fill
material into approximately 700 feet of a stream channel located at South Main Street, ?-
Kernersville, Forsyth County for the purpose of commercial development. Insufficient
evidence is present in our files to conclude that your project must be built as planned in waters
and/or wetlands in accordance with 15A NCAC 2H.0506. Therefore, unless modifications of
the proposal are made as described below, we will have to move toward denial of you 401
Certification as required by 15A NCAC 2H.0507(e) and will place this project on hold as
incomplete until we receive this additional information. We are requesting (by copy of this
letter) that the U.S. Army Corps of Engineers place your project on administrative hold.
(1) Your application states that the proposed impacts are to "approximately 700 linear
feet" of permanent stream channel. Please provide the exact length of impact, which shall include any
hard armoring (rip-rap) used for stabilization at the culvert outlet.
(2) Since on-site stormwater management will be required as a condition of any DWQ
approval, please provide the plans and specifications of the proposed wet detention pond.
(3) The project will also require compensatory mitigation as described in 15A NCAC 2H --
.0506(h). In your application you mention contributing to the Wetlands Restoration Fund. Please
provide detailed documentation that you have evaluated on-site mitigation or local (sub-basin) channel
restoration as alternatives to contributing to WRP. If on-site or local mitigation is chosen, please
provide a detailed mitigation plan for construction, restoration, and monitoring, as outlined in
Compensatory Wetland Mitigation Guidelines, NCDENR-DWQ.
Please respond within three weeks of the date of this letter by sending a copy of this
information to me and one copy to John R. Dorney, 4401 Reedy Creek Road, Raleigh, NC
27607. If we do not hear from you in three weeks, we will assume that you no longer want to
pursue this project and we will consider the project as withdrawn. If you have any questions
regarding this matter, please contact Mrs. Jennifer Frye or myself at [phone].
99 1207, Lowes, Forsyth Co.
Subject: 991207, Lowes, Forsyth Co.
Date: Mon, 06 Dec 1999 08:53:19 -0500
From: Jennifer Frye <[e-mail]>
Organization: NC DENR Water Quality
To: Cyndi Bell <[e-mail]>
CC: John Dorney <[e-mail]>
Project on hold, see attached letter.
I've been told that the Corps will be requesting an IP.
FYI - Land Quality staff have been reviewing Pomona Quarry relocation
plan and feel that the plans are insufficient to say the least; however,
they have been told (by their higher-ups) that they are to leave the
review to DWQ. Since Ron had worked extensively on this and Martin
Marietta does not have to get the WS variance, I am wondering where the
project stands.
Thanks,
Jen
Name: 991207.wpd
[991207.wpd Type: WordPerfect Document (application/wordperfect5.1)
Encoding: base64

Cr
1 of 1 12/7/99 9:17 AM

Soil & Environmental Consultants, Inc.
25 North College Avenue ¦ Newton, North Carolina 28658 ¦ Phone: [phone] ¦ Fax: [phone]
Web Page: www.SandEC.com
/? S&EC, Inc. 99-2-1310
A r V14En' ! ? T November 4, 1999
RECEIVED
US Army Corps of Engineers
Attn: Mr. John Thomas
6508 Falls of the Neuse Road
Suite 120
Raleigh, NC 27615
Dear Mr. Thomas and Mr. Dorney:
NCDEHNR - DWQ
Attn: Mr. John Dorney
4401 Reedy Creek Drive
Raleigh, NC 27607

The purpose of this letter is to request authorization for wetland impacts under Nationwide Permit 26 and
its general 401 Water Quality Certification for the project known as Lowe's, South Main Street,
Kernersville, Forsyth County, North Carolina. The project as proposed impacts approximately 700 linear
feet of Waters of the US. These impacts are to an unnamed tributary of Smith Creek.
All impacts are approximately shown on the attached site plan. Pre-construction notification is required
because of under NW26, we would be required to notify because impacts exceed 150 linear feet. The
proposed activity is located within Forsyth County and is within lands owned by Lowe's Company,
Incorporated. The attached site plans and site location map show the location of the project.
The channel, proposed for impacts, lacks sinuosity, has failing vertical side banks, is entrenched, has
sediment, and has no adjacent wetlands. There are fish, crayfish, and salamanders present. Because of
these characteristics, this channel is assessed to be important, but not significant in form and function.
We propose mitigation through the North Carolina Wetland Restoration Program (NC WRP) at a one to
one ratio for the 700 linear feet of impact. We believe mitigation should only be required by NC DWQ.
Attached is a copy of an alternatives analysis and other supporting data that indicates the channel is not
significant and that indicates that on-site mitigation is not possible.
The use of NW 26 would require notification to NC DWQ. Therefore, the developer has contacted an
engineer to develop a stormwater management facility for the project.
Sincerely,
CIUULQ_ $
Chris Huysman
Biologist
List of Attachments:
1. Alternatives Analysis
2. Non-feasible Site Plan I
3. Non-feasible Site Plan II
4. Channel Analysis
5. Mitigation Analysis
6. Agent Authorization
7. USGS Site Vicinity Map
8. Nationwide Permit 26 Application
9. Selected Site Plan
10. Grading and Drainage Plan
Jennifer obertson
Ecologist
11. Wetland Map
12. Digital Photographs
13. Wetland Data Forms
3
ALTERNATIVES ANALYSIS
Lowe's Company, Inc. is currently evaluating a 20.85-acre site in Kernersville for a new
Lowe's hardware location. The building space will be limited to approximately 12 acres
because of a combination of the following issues: city buffer rules (approximately 1.0
acre), existing steep topography (approximately 4.0 acres), and floodway limitations
(approximately 3.5 acres). This site is located off of South Main Street in Kernersville,
North Carolina, which will have a building of approximately 115,000 square feet (2.64
acres) with 675 parking spaces (2.51 acres) and approximately 68,400 square feet (1.57
acres) of driveway space within the parking lot. The issues that Lowe's faces to develop
this site are to stay out of the perennial jurisdictional channel on the south side of the
property and to fill less than 50% of the floodplain. The site is bisected with an
intermittent non jurisdictional channel, which is governed by the North Carolina Division
of Water Quality. The site falls from north to south approximately 20 feet, which make it
difficult to design the project and avoid these issues.
Ozark Civil Engineering, Incorporated was employed by Lowe's to evaluate the site and
look at numerous layout possibilities that would work for the building, have the least
environmental impacts, and keep public safety in mind. Immediately attached are two
alternative site plans that were evaluated in hopes of minimizing environmental impacts.
The building would encroach onto an existing road on the first alternate plan and would
encroach into the floodway on the second plan. The proposed site plan is the only
feasible placement for the building and adjacent parking area for this project.
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CHANNEL ANALYSIS
Channel impacts for this project will be to a channel that is degraded and non-significant
in biological form and function. According to Dave Rosgen, " Natural stream channel
stability is achieved by allowing the river to develop a stable dimension, pattern, and
profile such that, over time, channel features are maintained and the stream system
neither aggrades nor degrades." For a stream to be stable and significant in form and
function, the stream must be capable of consistently transporting its sediment deposits,
including both the size and type of the sediment load, associated with local discharge and
scour. We believe that this channel is unstable and non-significant in biological form and
function because scouring has resulted in degradation in places and large amounts of
sediment siltation has resulted in aggradation in other places. Aggrading is the building
up of the bed elevation or a base level change by siltation over time and degrading is the
lowering of the bed elevation (down cutting) or lowering of base level due to scour over
time.
This channel would be classified between a B and a G stream using the Rosgen's
classification key for natural rivers. The physical variables used to characterize the
different types of channels are the entrenchment ratio, the width/depth ratio, the sinuosity
rating, the slope, and the channel material. The following physical variable values
represent B and G type streams, respectively:
• Entrenchment Ratio: 1.4 to 2.2, <1.4
• Width/Depth Ratio: >12, <12
• Sinuosity Rating: >1.2, >1.2
• Slope Range: 0.02 to 0.039
• Channel Material: Varies
Starting with the channel material, the streambed of this tributary to Smith Creek is
mostly a silt-clay-gravel mixture. There are only a few occurrences of pools where
cobblestone is visible. The enclosed digital photographs 4, 6, 7, and 10 all show example
depictions of the typical channel material.
Channels that become entrenched or vertically contained within the side slopes are also
laterally confined, which results in a decrease in channel sinuosity. The channel
proposed for impact lacks adjacent wetlands within its floodplain (digital photographs 9
and 12). This provides further evidence that the channel is entrenched. Since the channel
is laterally confined, it would make logical sense for adjacent wetlands to be absent. See
attached digital photograph 3 that shows the entrenched side slopes.
This channel has an approximate 8' centerline and is approximately 6' deep. The
resulting width/depth ratio can be computed as 8'/6'. This results in a width/depth ratio
of 1.333, which is well below 12. Smith Creek has a width/depth ratio of 1.5, which is
also below 12. The ratio is calculated by taking the centerline width of approximately
12' and dividing by the depth of approximately 8'.
Natural streams are continually maintaining a balance between sediment deposits and
energy loads available from the flow of the stream to perform work. The pattern of the
stream adjusts naturally in meander or sinuosity to maintain side slopes in which the
stream neither aggrades nor degrades. The sinuosity of a stream can be approximated by
the ratio of valley slope to channel slope. This channel lacks sinuosity partly as a result
of the moderately low entrenchment ratio.
Other characteristics that support the assessment that this channel is non-significant are
the failing vertical side slopes, the excessive sedimentation amounts, and the presence of
debris. The failing vertical side slopes can be seen in digital photographs 4 and 7.
Sedimentation (digital photographs 1, 2, and 10), which is resulting from upstream
actions, is leading to an aggrading condition. Digital photographs 5, 6, and 8 depict
debris found throughout the degraded channel.
The drainage basin is no more than 60 acres for this tributary. This drainage now
conveys a high velocity storm water discharge from Interstate 40. The water quality of
this discharge flow can be classified as low.
All of the above physical features and characteristics support our assessment that the
channel is non-significant. Piping this channel would result in no loss of biologically
significant channel.
MITIGATION ANALYSIS
• Mitigation Goals:
To design a stable, functioning B or other type channel elsewhere on the site.
• Mitigation Constraints:
The existing utilities run parallel to Smith Creek and conflicts with these utilities
would be imminent. The grade slope may not be able to be matched to the
native/local channel morphology. Work, such as this nature, within the floodway
may require FEMA approval and review. Because slope considerations have to
be taken into account, channel length may not be able to be replaced and
appropriate channel sinuosity may not be achieved on-site. The relocated channel
may not be able to maintain stability during the high-velocity storm water
discharges from the approximate 60 acres of impervious surface from Interstate
40.
• Mitigation Conclusions:
We may be forcing mitigation on-site and therefore compromising the ability to
achieve success. There is no reason to create an unstable channel to replace and
unstable channel. Therefore, it may be best to participate in the North Carolina
Wetland Restoration Program at a 1 to 1 ratio.
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GENERAL OFFICE MEMORANDUM
US Army Corps of Eagineers
Attn: Mx. John Thomas
6508 Falls of the Neuse Road
Raleigh, NC 27615
RC: DESIGNATION OF AUTHORIZED AGENT
Wetlands Related Consulting and Permitting
Dear Mr. Thomas:
1999
1, representing the tnanagetnent of Lowe's Companics, Incorporated, hereby designate
and authorize Soil & EDvironmentAl Consultants, Incorporated (S&EC, Inc.) to act in
,Lowe's behalf as agent in the processing of permit application, to furnish upon request
supplemental information in support of applications, cte. from this day forward.
This notification supersedes any previous correspondence contenting the agent for this
project located between South Main Street and SR 2776 in Kemersville, North Carolina.
This authorization, for liability and professional courtesy reasons, is valid only for
goverment officials 10 enter the property when accompanied by S&EC, inc. staff. you
should call Mr. Chris Huysman at S&EC, Inc. to arrange a site meeting prior to visiting
the site.
Forward all wetlands permits to my attention.
Best ?egards,
Nicky Wagoner
La s Companies, Inc.
October
NCDEHNR-DWQ
Attn- Mr. John Domey
4401 Reedy Creek Drive
Raleigh, NC 27607
SITE VICINITY MAP
LOWE'S KERNERSVILLE SITE
S&EC, INC. 99-2-1310
APPROX. 1 MILE
APPROX. 1000 FEET
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DECI?NTIDM IT CENTER OF SHEET
KERNERSVILLE, N. C.
36080-A 1-TF-024
N. C- J
QUADRANGLLOCATION
1969
REVISED 1994
DMA 4056 11 SE-SERIES V842
{r
DEM ID:
Corps Action ID:
Nationwide Permit Requested (Provide Nationwide Permit #): NW 26
Pre-Construction Notification App
For Nationwide Permits that Require:
1. Notification to the Corps of Engineers
2. Application for Section 401 Certification
3. Coordination with the NC Division of Coastal Management

Send the original and (1) copy of this completed form to the appropriate field offR
of Engineers (see agency addresses sheet). Seven (7) copies should be sent to
Division of Environmental Management (see agency addresses sheet). PLEASE
1. Owner's Name: LOWE'S COMPANY INCORPORATED
ATTN: MR. NICKY WAGONER
2. Mailing Address: HWY 268 EAST
3. Subdivision Name:
City: NORTH WILKESBORO State: NC Zip Code: 28656
Corps
Project location address, including subdivision name (if different from mailing address above):
LOWE'S
SOUTH MAIN STREET
KERNERSVILLE, NC
3. Telephone Number (Home):
(Work): [phone]
4. If applicable, agent's name or responsible corporate official, address, phone number:
SOIL & ENVIRONMENTAL CONSULTANTS, INC. Phone: [phone]
25 NORTH COLLEGE AVENUE Fax: [phone]
NEWTON, NC 28658
5. Location of work (provide a map, preferable a copy of USGS topographic map or aerial
photograph with scale):
County: K? ?, Nearest town or city: CHARLOTTE
Specific Location (include road numbers, landmarks, etc.):
SOUTH MAIN STREET EXIT OFF BUSINESS 40, LEFT ONTO SOUTH MAIN STREET,
RIGHT ONTO SR 2776, SITE LOCATED BETWEEN SOUTH MAIN STREET AND SR
2776 AND ON THE LEFT SIDE OF SR 2776 ALONG SMITH CREEK, FORSYTH
COUNTY, NC. SEE ATTACHED SITE VICINITY MAP.
6. Impacted or nearest stream/river: SMITH CREEK
River Basin: YADKIN RIVER
7a. Is project located near water classified as trout, tidal saltwater (SA), high quality waters
(HQW), outstanding resource waters (ORW), water supply (WS-I or WS-II)?
YES (?) NO (®) If yes, explain:
7b. If the project is located within a North Carolina division of coastal management area of
environmental concern (AEC)? YES (?) NO (Z)
7c. If the project is located within a coastal county (see page 7 for list of coastal counties),
what is the land use plan (LUP) designation?
8a. Have any Section 404 permits been previously requested for use on this property?
YES (?) NO (®) If yes, provide Action ID number of pervious permit and any
additional information (including photocopy of 401 certification).
8b. Are additional permit requests expected for this property in the future?
YES (?) NO (®) If yes, describe anticipated work:
NO ADDITIONAL PERMITS ARE ANTICIPATED
9a. Estimated total number of acres in tract of land:
APPROXIMATELY 12 ACRES WITHIN PROJECT AREA
9b. Estimated total number or acres of wetlands located on project site:
NO IMPACTS TO WETLANDS PROPOSED
10a. Number of acres of wetlands impacted by the proposed project by:
Filling: Excavation:
Flooding: Other:
Drainage: Total acres to be impacted:
10b. (1) Stream channel to be impacted by the proposed project (if relocated, provide
distance both before and after relocation):
Length before: APPROXIMATELY 700 LF After: PIPE
Width Before (based on normal high water contours): 8 FEET
Width After: PIPE
Average depth before: 3-6 INCHES
After: PIPE
(2) Stream channel impacts will result from: (check all that apply)
Open channel relocation: ? Placement of pipe in channel:
Channel Excavation: ? Construction of a Dam/Flooding: ?
Other:
11. If construction of a pond is proposed, what is the size of the watershed draining to the
pond?
STORMWATER POND PROPOSED, IF NEEDED, TO TREAT DEVELOPMENT SITE
ONLY, NOT TO IMPACT WATERS OF THE US. POND PROPOSED OFF-LINE. SEE
ATTACHED SITE PLAN.
What is the expected pond surface area?
SITE ENGINEER TO DETERMINE
12. Description of proposed work including discussion of type of mechanical equipment to
be used (attach plans 8 1/2" x 11" drawings only):
THE SITE DEVELOPMENT AND INFRASTRUCTURE PLANNED FOR PROPOSED
COMMERCIAL DEVELOPMENT. TYPICAL EQUIPMENT WILL BE UTILIZED.
13. Purpose of proposed work:
PROVIDE EMPLOYMENT OPPORTUNITIES AND ALLOW FOR THE DEVELOPMENT
OF THIS COMMERCIAL PROPERTY.
14. State reasons why it is believed that this activity must be carried out in wetlands (include
any measures taken to minimize wetland impacts):
ACCORDING TO DEVELOPER, TOPOGRAPHICAL FEATURES DICTATE THE MOST
ECONOMICAL PLACEMENT OF THE PROPOSED FACILITY; AND, CUT AND FILL
REQUIREMENTS AND DIMENSIONAL ASPECTS OF SITE DICTATE PLACEMENT
OF BUILDINGS AND REQUIRED FILL.
15- You are required to contact the U.S. Fish and Wildlife Service (USFWS) and/or National
Marine Fisheries Service (NMFS) (see agency addresses sheet) regarding the presence
of any federally listed or proposed for listing endangered or threatened species or critical
habitat in the permit area that may be affected by the proposed project. Date
contacted: (attach responses from these agencies).
TO BE COMPLETED BY USACE AS NEEDED.
16. You are required to contact the state historic preservation officer (SHPO) (see agency
address sheet) regarding the presence of historic properties in the permit area which
may be affected by the proposed project. Date contacted:
TO BE COMPLETED BY USACE AS NEEDED.
17. Does the project involve an expenditure of public funds or the use of public (state) land?
YES ([:])NO (®) If no, go to 18.
a. If yes, does the project require preparation of an environmental document
pursuant to the requirements of the North Carolina Environmental Policy Act?
YES (E:1) NO (F-1)
b. If yes, has the document been reviewed through the North Carolina Department of
Administration State Clearinghouse?
YES (?) NO (?)
If answers to 17b is YES, then submit appropriate documentation from the state
clearinghouse to division of environmental management regarding compliance with the
North Carolina Environmental Policy Act.
Questions regarding the State Clearinghouse review process should be directed to Ms.
Chrys Baggett, Director State Clearinghouse, North Carolina Department of
Administration, 116 West Jones Street, Raleigh, North Carolina 27603-8003, telephone
[phone].
18. The following items should be included with this application if proposed activity involves
the discharge of excavated or fill material into wetlands:
a. Wetland delineation map showing all wetlands, streams, lakes and ponds on the
property (for Nationwide Permit numbers 14, 18, 21, 26, 29 and 38). All streams
(intermittent and permanent) on the property must be shown on the map. Map
scales should be 1 inch equals 50 feet or 1 inch equals 100 feet or their equivalent.
b. If available, representative photograph of wetlands to be impacted by project.
c. If delineation was performed by a consultant, include all data sheets relevant to the
placement of the delineation line.
d. Attach a copy of the stormwater management plan, if required.
e. What is land used of surrounding property? RESIDENTIAL AND COMMERCIAL
f. If applicable, what is proposed method of sewage disposal? EXISTING SANITARY
SEWER.
g. Signed and dated agent authorization letter, if applicable.
NOTE: Wetlands or Waters of the U.S. may not be impacted prior to:
1. Issuance of a Section 404 Corps of Engineers Permit,
2. Either the issuance or waiver of a 401 Division of Environmental Management
(Water Quality) certification, and
3. (in the twenty coastal counties only) A letter from the North Carolina Division of
Coastal Management stating the proposed activity is consistent with the North
Carolina Coastal Management program.
NneAgent's Signa u
?? • 3. OA
Date
(Agent's signature valid only if
Agent Authorization Letter from
the owner is provided (18 g.))
SELECTED SITE PLAN
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SOIL & ENVIRONMENTAL CONSULTANTS, INC.
PROJECT 99-2-1310
PRELIMINARY WETLAND APPROXIMATION MAP
SUITABLE FOR PRELIMINARY PLANNING ONLY.
S&EC RESERVES THE RIGHT TO MODIFY THIS MAP BASED
ON MORE FIELDWORK, SURVEYED DELINEATIONS, OR
ANY ADDITIONAL INFORMATION. APPROXIMATIONS
WERE MAPPED USING TOPOGRAPHICAL MAPS AND
GROUND TRUTHING. IF THESE AREAS ARE TO BE
IMPACTED, THEY WILL LIKELY NEED TO BE APPROVED BY
AND PERMITTED BY THE ARMY CORPS OF ENGINEERS.
KEY
. SIGNIFICANT, IMPORTANT
CHANNEL
¦ NON-SIGNIFICANT, IMPORTANT
CHANNEL
E ti\i?
r
1

WETLAND MAP
I PROPERTY BOUNDARY
N

t ?
1 AL
12
SEE ATTACHED PHOTOS FOR 1-13

PHOTO 1. DOWNSTREAM CULVERT AT HARMON MILL CREEK ROAD
??' `• ?` f? ? ?- yr ? 1 ?t w `- -'C r!"i ?' .. 1 .. ',`Pit ? •? T}' i ` " -r
a ^r++l? ?; r a-
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' `? ??..? ? ? J?, •T. '! .mot i1 ? ` / .. lY?;
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f fd ` a v°k

PHOTO 2. DOWNSTREAM CULVERT AT HARMON MILL CREEK ROAD
SHOWING PRESENCE OF SEDIMENT AFTER A STORM EVENT
PHOTO 3. ENTRENCHMENT OF CHANNEL

V ".m .?
r ; --w .. - -.t .
I PHOTO 4. FAILING VERTICAL SIDE BANKS
1
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I PHOTO 1. DOWNSTREAM CULVERT AT HARMON MILL CREEK ROAD

1
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-4101 111111
D' •

PHOTO 2. DOWNSTREAM CULVERT AT HARtitON MILL CREEK ROAD
SHOWING PRESENCE OF SEDIMENT AFTER A STORM EVENT
'''" ..
,t _\46+ ti [ice :.-'!"y'
• a. ?ICi - - ; . J

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ilk
. - =? ' ?L

I PHOTO 4. FAILING VERTICAL SIDE BANKS
I PHOTO 3. ENTRENCHMENT OF CHANNEL
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Y'
,`

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l z r ?
f
r
PHOTO 6. PRESENCE OF DEBRIS IN CHANNEL
PHOTO 5. PRESENCE OF DEBRIS IN CHANNEL
PHOTO 7. FAILING VERTICAL SIDE BANKS
'• _ ;-,?•F ?? - 4°?Vy.?.?U? ?'. t ?,:.;? - .? .fin ?,? :+ w
r ,? 'vt- ? ? w{•Y ",???? r:??-?3"y.?+? ;???. "?,? "?r'+'?b',?ay?p./ ,:. ?,,?"=? P v ? ?T'1,?
;._ -e.71? ' . 7?fc.v+AV''? ?? ?; l7?_?7j?Jt.VV?"'? t? 4"'i?'fV ?, r`_='?'•?4 ?r r1 ?'' '/ "t + "s•? .
14. 1
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6.4
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y.? ? Z+'ss '? lam, ?• :.t ? a`?;..n 1ry%?- ?; •.?,
41
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PHOTO 8. PRESENCE OF DEBRIS IN CHANNEL
?--i s? L .r r ??: •'1 6 ? 4 rI? a i•+? ''r M?r 'yR •. "' _-y
y .,? `????` t t r k ..'t+',fLF-S-`, ?af.ld`-f???r if ? ?'?{?'? i ` r? , V II
y ?.? erg ?yx. ?I?p a ?5 r i a t"
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. :^ 4. ? ? /?l -4?"'. tCC{?'1' ? li .if, ? f ,fir 1tt. ?yi ? •? \? r
-. # !)• f ." _Y . ' ~ 1 I tl b. ?wirr. ?•;?Aftt
PHOTO 9. CHANNEL AND ADJACENT FLOODPLAIN
' ^? -t ?.. . ? ?? ? a ?? -.fin :1,;? `a ? .? •+ r
- .110
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PHOTO 10. SECTION OF CHANNEL NEAR SMITH CREEK

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1 PHOTO 13. EXISTING ROAD
Lip
I PHOTO 12. FLOODPLAIN OF SMITH CREEK

Delineation Performed by: Soil & Environmental Consultants, Inc.
244 West Millbrook Road 25 N College Avenue
Raleigh, NC 27609 Newton, NC 28658
Phone: [phone] Phone: [phone]
WETLAND DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: Lowe 's / Kernersville Date: 9/99
Applicant/Owner: Todd Butler / Ozark County: Forsyth
Investigator: Chris Huysman State: North Carolina
Do normal circumstances exist on the site?
Is the site significantly disturbed?
(Atypical situation)
Is the area a potential problem area?
(If needed, explain on reverse.)
VEGETATION
2.
3.
4.
5.
6.
7.
8.
Yes Community ID: Channel
No
Transit ID: Channel
No Plot ID: Channel
9.
10.
11.
12.
13.
14.
15.
16.
Percent of dominant species that are OBL, FACW or FAC (excluding FAC-): N/A
Remarks:
HYDROLOGY
Recorded Data (describe in remarks)
Stream, Lake or Tide Gauge
Aerial Photographs
Other
X No Recorded Data Available
Field Observations:
Depth of Surface Water: _2 - 6_ (in.)
Depth to Free Water in Pit: 0 (in.)
Depth to Saturated Soil: 0 (in.)
Remarks: 8 Foot Centerline Channel
Wetland Hydrology Indicators:
Primary Indicators:
X Inundated
X Saturated in Upper 12 Inches
Water Marks
Drift Lines
Sediment Deposits
Drainage Patterns in Wetlands
Secondga Indicators: (2 or more required)
Oxidized Root Channels in
Upper 12 Inches
Water-Stained Leaves
Local Soil Survey Data
FAC Neutral Test
Other (explain in remarks)
WLdata.frm
Project # 99-2-1310
SOILS
Map Unit Name .
(Series and Phase): Wehadkee fine sandy loam
Taxonomy (Subgroup): Fluvaquentic
Profile Description:
Depth Matrix Color
(ins.) Horizon (Munsell Moist)
0-9 Ap 10YR 4/3
9-13 B1g 2.5Y 6/2
13-32 B21g 5Y 6/1
Drainage Class: poorly drained
Field Observations:
Confirm Mapped Type? Forsyth County
Soil Survey
Mottle Colors Mottle Texture, Concretions,
(Munsell Moist) Abundance/ Contrast Structure etc.
loam
loam
sandy clay loam
Mdric Soil Indicators:
Histosol Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soil
_X_ Sulfidic Odor Organic Streaking in Sandy Soils
_?C Aquic Moisture Regime _X_ Listed on Local Hydric Soils List **
_X_ Reducing Conditions Listed on National Hydric Soils List
_X_ Gleyed or Low-Chroma Colors Other (explain in remarks)
Remarks: Bottom of Channel
Wetland Determination
(yes or no)
Hydrophytic Vegetation Present? N/A
Wetland Hydrology Present? YES
Hydric Soils Present? YES
Is This Sampling Point Within a Wetland? YES
Remarks:
WLdata.frm

Delineation Performed by: Soil & Environmental Consultants, Inc.
244 West Millbrook Road 25 N College Ave
Raleigh, NC 27609 Newton, NC 28658
Phone: [phone] Phone: [phone]
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: Lowe's / Kernersville Date: 9/99
Applicant/Owner: Todd Butler / Ozark County: Forsyth
Investigators: Chris Huysman State: North Carolina
Do normal circumstances exist on the site? Yes No Community ID: Deciduous Forest
Is the site significantly disturbed? Yes No
(Atypical situation) Transit ID: Non-Wetland Areas
Is the area a potential problem area? Yes No Plot ID: Upland Areas
(If needed, explain on reverse.)
VEGETATION
Dominant Plant Species Stratum Indicator
1. Quercus alba tree FACU
2. Lonicera japonica vine FAC-
3. Quercus falcata tree FACU-
4. Pinus echinata tree FACU
5. Smilax spp. vine FAC
6. Acer rubrum tree FAC
7. Liquidambar sty. tree FAC+
8. Rubus spp. forb FACU
Dominant Plant Species
9. Corpus florida
10. Carya ovata
11. Juniperus vir.
12. Cercis canadensis
13. Callicarpa amen.
14.
15.
16.
Stratum Indicator
tree FACU
tree FACU
tree FACU-
tree FACU
shrub FACU-
Percent of dominant species that are OBL, FACW or FAC (excluding FAC-)
Remarks:
HYDROLOGY
Recorded Data (describe in remarks)
Stream, Lake or Tide Gauge
Aerial Photographs
Other
No Recorded Data Available
Field Observations:
Depth of Surface Water: 0 (in.)
Depth to Free Water in Pit: -none- (in.)
Depth to Saturated Soil: -none- (in.)
15%
Wetland Hvdrologv Indicators:
Primarv Indicators:
Inundated
Saturated in Upper 12 Inches
Water Marks
Drift Lines
Sediment Deposits
Drainage Patterns in Wetlands
Secondary Indicators: (2 or more required)
Oxidized Root Channels in
Upper 12 Inches
Water-Stained Leaves
Local Soil Survey Data
FAC Neutral Test
Other (explain in remarks)
Remarks:
well drained upland areas
WLdata.frm
> `
r
Project # 99-2-1310
SOILS
Map Unit Name
(Series and Phase): Pacolet loam
Taxonomy (Subgroup): Kanhapludults
Drainage Class: well drained
Field Observations
Confirm Mapped Type? Yes No
(field identified by soil scientist)
Profile Description:
Depth Matrix Color
(ins.) Horizon (Munsell Moist)
0-4 A 7.5YR 4/4
4-8 E 7.5YR 5/6
8-13 BE 5YR 5/6
13-20 Bt 5YR 5/6
Mottle Colors Mottle Texture, Concretions,
(Munsell Moist) Abundance/Contrast Structure etc.
loam
fine sandy loam
sandy clay loam
sandy clay
Hydric Soil Indicators:
Histosol
Histic Epipedon
Sulfidic Odor
Aquic Moisture Regime
Reducing Conditions
Gleyed or Low-Chroma Colors
Concretions
High Organic Content in Surface Layer in Sandy Soil
Organic Streaking in Sandy Soils
Listed on Local Hydric Soils List **
Listed on National Hydric Soils List
Other (explain in remarks)
Remarks:
Wetland Determination
(yes or no)
Hydrophytic Vegetation Present? Yes No
Wetland Hydrology Present? Yes No
Hydric Soils Present? Yes No
Is This Sampling Point Within a Wetland? Yes
Remarks:
Pacolet is an upland soil.
No
WLdata.frm
L

NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
WINSTON-SALEM REGIONAL OFFICE
tea
DIVISION OF WATER QUALITY
NCDENR De ° cetber 6, 1999

t

JAMES B. HUNTJR.
GOVERNOR -
Certified Mail P-536 308 484 ° 14
t
uested 1
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urn
ece
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e
? 5 _

Lowe's Company Incorporated
Attn: Mr. Nicky Wagoner
Highway 268 East
North Wilksboro, NC 28656
SUBJECT: Request for Additional Information
DWQ Project # 99 1207
Forsyth County
Dear Mr. Wagoner:
The Division of Water Quality has reviewed your plans for the discharge of fill
material into approximately 700 feet of a stream channel located at South Main Street,
Kernersville, Forsyth County for the purpose of commercial development. Insufficient
evidence is present in our files to conclude that your project must be built as planned in waters
- and/or wetlands in accordance with 15A NCAC 2H .0506. Therefore, unless modifications of
the proposal are made as described below, we will have to move toward denial of you 401
Certification as required by 15A NCAC 2H.0507(e) and will place this project on hold as
incomplete until we receive this additional information. We are requesting (by copy of this
letter) that the U.S. Army Corps of Engineers place your project on administrative hold.
(1) Your application states that the proposed impacts are to "approximately 700 linear
feet" of permanent stream channel. Please provide the exact length of impact, which shall include any
hard armoring (rip-rap) used for stabilization at the culvert outlet.
(2) Since on-site stormwater management will be required as a condition of any DWQ
approval, please provide the plans and specifications of the proposed wet detention pond.
(3) The project will also require compensatory mitigation as described in 15A NCAC 2H
.0506(h). In your application you mention contributing to the Wetlands Restoration Fund. Please
provide detailed documentation that you have evaluated on-site mitigation or local (sub-basin) channel
restoration as alternatives to contributing to WRP. If on-site or local mitigation is chosen, please
provide a detailed mitigation plan for construction, restoration, and monitoring, as outlined in
Compensatory Wetland Mitigation Guidelines, NCDENR-DWQ.
Please respond within three weeks of the date of this letter by sending a copy of this
information to me and one copy to John R. Dorney, 4401 Reedy Creek Road, Raleigh, NC
27607. If we do not hear from you in three weeks, we will assume that you no longer want to
pursue this project and we will consider the project as withdrawn. If you have any questions
- regarding this matter, please contact Mrs. Jennifer Frye or myself at [phone].
-' - 58S WAUGHTOWN STREET, WINSTON-SALEM, NORTH CAROLINA 27107
- _ '. - _ - PHONE [phone] FAX [phone]
- AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/10% POST-CONSUMER PAPER

Lowes, Inc.
December 6, 1999
Sincerely,
Larry D Coble
WQ Regional Supervisor
cc: Mr. Chris Huysman, Soil & Environmental Consultants, Inc.
Raleigh Field Office, US Army Corps of Engineers
Wilmington Office, US Army Corps of Engineers
Wetlands/401 Unit Central Office
Central Files
WSRO
r?.ark
Civil Engineering Inc.
1008 NW "J" St., Suite "C" ? Bentonville, AR 72712
501-464-8850 telephone ? 501-464-9040 fax
Date:
ATTN:
Phone:
June 5, 2000 Project:
John Dorney
NCDENR
4401 Reedy Creek R
Raleigh, NC 27667
919-733-1896
Project #
___,Reference:
Copies to:
f
Kernersville, NC
99.0029
Lowe's Home Center
Jennifer Frye
File
Sent via: ? Airborne Express ? Two-Day ? Hand Delivery
® Federal Express ? Standard
? U.S. Mail ® Priority
No. Copies Date Rev# Description
1 Response Letter with Worksheet
1 set Construction Documents

COMMENTS:
odd A. 136fler, P.E.

Title: President
CORPORATE OFFICE: REGIONAL OFFICE:
1008 Northwest "J" Street, Suite "C" 13108 S. Summit
Bentonville, AR 72712 Olathe, KS 66062
501-464-8850 ?501-464-9040 fax [phone] ? 913-390-5248 fax
nark
Civil Engineering Inc.
1008 NW "J" St., Suite "C" ? Bentonville, AR 72712
501-464-8850 telephone ? 501-464-9040 fax
June 5, 2000
John R. Dorney
NCDENR
4401 Reedy Creek Road
Raleigh, NC 27607
Dear Mr. Dorney:
Re: Lowe's Home Center in Kernersville, NC
Ozark Civil Engineering Project #99.0029
DWQ Project #991207
In response to your letter to Mr. Nicky Wagoner of Lowe's Home Centers, Inc. dated May 24,
2000, the following additional information and clarifications are provided.
1. Stormwater pond plans and specifications...
We have included a set of our latest construction documents, which contain all
the detailed information on the stormwater pond design and box culvert
construction. A set of project specifications may be provided if needed for
review. Details for outlet control structure are provided in the construction
documents.
2. ...the location of the outfall structure is located too close to the forebay and should
be relocated at the opposite end from the inlet.
The outfall structure has been moved to the far end of the pond. Note that we
have changed the outfall structure to a solid wall weir. This structure will
function better under the wide weir condition required for proper detention.
3. Please fill out the attached worksheet, which will aid in a timely review of the
Stormwater Management Report.
The worksheet is filled out and attached for review. A State worksheet was
submitted to the Regional Office.
As clarification on the checklist from the worksheet, we understand from
working with other Regional Offices that pumping of the permanent pond is an
acceptable method for an emergency drain. Since Lowe's is a Home
Improvement Warehouse, obtaining a pump in a timely manner is not an issue.
Please let us know if you have any questions on this item.
CORPORATE OFFICE: REGIONAL OFFICE:
1008 Northwest "J" Street, Suite "C" 13108 S. Summit
Bentonville, AR 72712 Olathe, KS 66062
501-464-8850 ?501-464-9040 fax [phone] ? 913-390-5248 fax
John Dorney
June 5, 2000
Page 2
4. Stream impacts...
The stream impact from the concrete apron on the upstream end to the end of
the energy dissipator is 499 feet. Our first submittal to the Sediment and
Erosion Control department showed a rip rap bed. This item has been
discussed with Mr. Lindy Leonard and revised showing the current configured
energy dissipator with calculations.
5. ...concerned that the hydraulic energy at the exit of the proposed culvert and
dissipator will be excessive...
The dissipator calculations do show the velocity being reduced to
approximately 9 fps, however, this does not take in consideration of the 90
degree bend in the box culvert. We are not aware of a good theoretical
calculation on the reduction of velocity from a 90 degree turn. If your
department has any suggestion, we would be glad to further analyze the exit
velocity. From engineering judgment, we feel that the velocity will obviously
be reduced from the 9 fps and could easily be reduced in half from the bend.
Additionally, velocities could be reduced in the field by added structures to the
dissipator pad.
We hope this additional information will allow your office to begin review of this project. We
would also request a meeting in order to review project because of its obstacles. Thank you for
your attention to this matter.
Sincerely,
I- W*A4A_1
Todd A. Butler, P.E.
President
Enclosure: Construction Documents
Worksheet
cc: Jennifer Frye, Winston-Salem Regional Office
t
nark
civil Engineering Inc.
1008 NW "J" St., Suite "C" Bentonville, AR 72712
501-464-8850 telephone =: 501-464-9040 fax
Date: June 5, 2000 Project: Kernersville, NC
Project # 99.0029
ATTN: John Dorney Reference: Lowe's Home Center
NCDENR
4401 Reedy Creek Road Copies to: Jennifer Frye
Raleigh., NC 27607 File
Phone: [phone]
Sent via: ? Airborne Express ? Two-Day ? Hand Delivery
Z Federal Express ? Standard
? U.S. Mail ® Priority
No. Copies Date Rev# Description
1 Response Letter with Worksheet
1 set Construction Documents

COMMENTS:
To-- A. tler, P.E. Title: President
CORPORATE OFFICE: REGIONAL OFFICE:
1008 Northwest "J° Street, Suite "C" 13108 S. Summit
Bentonville, AR 72712 Olathe, KS 66062
501-464-8850 •501-464-9040 fax [phone] • 913-390-5248 fax
(11a, rk
Civil Engineering Inc.
1008 NW "J" St., Suite "C" Bentonville, AR 72712
501-464-8850 telephone [phone] fax
June 5, 2000
John R. Dorney
NCDENR
4401 Reedy Creek Road
Raleigh, NC 27607
Dear Mr. Dorney:
Re: Lowe's Home Center in Kernersville, NC
Ozark Civil Engineering Project #99.0029
DWQ Project #991207
In response to your letter to Mr. Nicky Wagoner of Lowe's Home Centers, Inc. dated May 24,
2000, the following additional information and clarifications are provided.
1. Stormwater pond plans and specifications...
We have included a set of our latest construction documents, which contain all
the detailed information on the stormwater pond design and box culvert
construction. A set of project specifications may be provided if needed for
review. Details for outlet control structure are provided in the construction
documents.
2. ...the location of the outfall structure is located too close to the forebay and should
be relocated at the opposite end from the inlet.
The outfall structure has been moved to the far end of the pond. Note that we
have changed the outfall structure to a solid wall weir. This structure will
-function-better-under..the.w de_-wp-ir..c-Qndit o-_req_uired. fpr_proppr detention.
3. Please fill out the attached worksheet, which will aid in a timely review of the
Stormwater Management Report.
The worksheet is filled out and attached for review. A State worksheet was
submitted to the Regional Office.
As clarification on the checklist from the worksheet, we understand from
working with other Regional Offices that pumping of the permanent pond is an
acceptable method for an emergency drain. Since Lowe's is a Home
Improvement Warehouse, obtaining a pump in a timely manner is not an issue.
Please let us know if you have any questions on this item.
CORPORATE OFFICE: REGIONAL OFFICE:
1008 Northwest "J" Street, Suite "C" 13108 S. Summit
Bentonville, AR 72712 Olathe, KS 66062
501-464-8850 •501-464-9040 fax [phone] • 913-390-5248 fax
John Dorney
June 5, 2000
Page 2
4. Stream impacts...
The stream impact from the concrete apron on the upstream end to the end of
the energy dissipator is 499 feet. Our first submittal to the Sediment and
Erosion Control department showed a rip rap bed. This item has been
discussed with Mr. Lindy Leonard and revised showing the current configured
energy dissipater with calculations.
5. ...concerned that the hydraulic energy at the exit of the proposed culvert and
dissipator will be excessive...
The dissipator calculations do show the velocity being reduced to
approximately 9 fps, however, this does not take in consideration of the 90
degree bend in the box culvert. We are not aware of a good theoretical
calculation on the reduction of velocity from a 90 degree turn. If your
department has any suggestion, we would be glad to further analyze the exit
velocity. From engineering judgment, we feel that the velocity will obviously
be reduced from the 9 fps and could easily be reduced in half from the bend.
Additionally, velocities could be reduced in the field by added structures to the
dissipator pad.
We hope this additional information will allow your office to begin review of this project. We
would also request a meeting in order to review project because of its obstacles. Thank you for
your attention to this matter.
Sincerely,
Todd A. Butler, P.E.
President
Enclosure: Construction Documents
Worksheet
cc: Jennifer Frye, Winston-Salem Regional Office
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