SW8990423_Historical File_19990928

Stat Y of North Carolina
`tDepartment of Environment
and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Division of Water Quality
September 28, 1999
Mr. Sey Young, Asst. Vice President
Wal-Mart Stores, Inc.
2001 Southeast Tenth Street
Bentonville, AR 72716
,
F4CDENK
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. SW8 990423
Wal-Mart Super Center #1392-00
High Density Stormwater Project
New Hanover County
Dear Mr. Young:
The Wilmington Regional Office received a complete Stormwater Management Permit Application for Wal-Mart Super
Center # 1392-00 on August 5,1999. Staff review of the plans and specifications has determined that the project, as proposed,
will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8
990423 dated September 28, 1999, for the construction of Wal-Mart Super Center #1392-00.
This permit shall be effective from the date of issuance until September 28, 2009, and shall be subject to the conditions and
limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit.
Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in
future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an
adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in
the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office
of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall
be final and binding.
If you have any questions, or need additional information concerning this matter, please contact Linda Lewis, or me at (910)
395-3900.
Sincerely,
'�aal3A,elv
Rick Shiver 4-1
Water Quality Regional Supervisor
RSS/arl: S:\WQS\STORMWAT\PERMIT\990423.SEP
cc: Larry Sneeden, P.E.
Tony Roberts, New Hanover County Inspections
Beth Easley, New Hanover County Engineering
Linda Lewis
Wilmington Regional Office
Central Files
127 Cardinal Dr. Ext., Wilmington, forth Carolina 28405 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

State Stormwater Management Systems
Permit No. SW8 990423
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other
applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Wal-Mart Stores, Inc.
Wal-Mart Super Center #1392-00
New Hanover County
FOR THE
construction, operation and maintenance of a detention pond in compliance with the provisions of 15A NCAC 2H .1000
(hereafter referred to as the ".stormwater rules') and the approved stormwater management plans and specifications and other
supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this
permit.
This permit shall be effective from the date of issuance until September 28, 2009 and shall be subject to the following
specified conditions and limitations:
I. DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of stormwater described in the application and
other supporting data.
This stormwater system has been approved for the management of stormwater runoff as described on page 3 of this
permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from 1,358,300 square
feet of impervious area.
Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the
permit.
4. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans.

State Stormwater Management Systems
Permit No. SW8 990423
DIVISION OF WATER QUALITY
PROJECT DESIGN DATA SHEET
Project Name:
Permit Number:
Location:
Applicant:
Mailing Address:
Application Date:
Water Body Receiving Stormwater Runoff:
Classification of Water Body:
If Class SA, chloride sampling results:
Pond Depth, feet:
Permanent Pool Elevation, FMSL:
Total Impervious Surfaces, ft2:
Wal-Mart Tract, ft2:
Access Road, ft2:
Outparcel 1, ft2:
Outparcel 2, ft2:
Outparcel 3, ft2:
Offsite Area, ft2:
Sigmon Road:
Bob King Blvd.:
Bob King VW:
Spirakis Tract:
Required Surface Area, ft2:
Provided Surface Area, ft
Required Storage Volume, ft3:
Provided Storage Volume, ft3:
Temporary Storage Elevation, FMSL:
Controlling Orifice:
Wal-Mart Super Center #1392-00
SW8 990423
New Hanover County
Mr. Sey Young, Asst. Vice President
Wal-Mart Stores, Inc.
2001 Southeast Tenth Street
Bentonville, AR 72716
August 5, 1999
Smith Creek / (CFR 18-74-63)
"C Sw"
n/a
7
33
1,358,300
752,800
9,000
48,100
38,500
38,500
471,400
90,500
74,000
248,100
58,800
57,722
81,100
108,951
109,400
34.3
3" H x 9"W weir
L

State Stormwater Management Systems
Permit No. SW8 990423
II. SCHEDULE OF COMPLIANCE
The stormwater management system shall be constructed in it's entirety, vegetated and operational for its intended
use prior to the construction of any built -upon surface except roads.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired
immediately.
All connections into the stormwater system from future areas/outparcels shall be made such that short-circuiting of
the system does not occur.
4. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater
system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its
entirety and maintenance must occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and revegetation of side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping.
g. Access to the outlet structure must be available at all times.
5. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ.
The records will indicate the date, activity, name of person performing the work and what actions were taken.
6. Decorative spray fountains will not be allowed in the stormwater treatment system.
7. The facilities shall be constructed as shown on the approved plans. This permit shall become voidable unless the
facilities are constructed in accordance with the conditions ofthis permit, the approved plans and specifications, and
other supporting data.
Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this
permitted facility, a certification must be received from an appropriate designer for the system installed certifying
that the permitted facility has been installed in accordance with this permit, the approved plans and specifications,
and other supporting documentation. Any deviations from the approved plans and specifications must be noted on
the Certification.
9. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten
years from the date of the completion of construction.
10. Prior to the sale of any portion of the property, an access/maintenance easement to the stormwater facilities shall be
granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale of any portion of
the property.
11. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon
area.
12. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to
operation as a stormwater treatment device, and prior to occupancy of the facility.
0

State Stormwater Management Systems
Permit No. SW8 990423
13. Deed restrictions must be recorded prior to the sale of any outparcel or future area shown on the approved plans to
ensure that future owners are made aware of the built -upon area limitations. The following statements must be
recorded:
a. To ensure continued compliance with the NC Division of Water Quality Stormwater Aanagement Permit
Regulations, 15A NCAC 2H.1000, the maximum built -upon area for each outparcel shown on the approved
plans is limited as follows: Outparcel 1 @48,100 W; Outparcel 2 @38,500 W; and Outparcel 3 @3 8,500 ftz,
which equates to 85% of the lot area. This allotted amount includes any built -upon area constructed within
the property boundaries, and that portion of the right-of-way between the lot lines and the edge of the
pavement. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone,
slate, and coquina, but does not include raised, open wood decking, or the water surface of swimming
pools."
b. "The runoff from all built -upon area on the outparcel or future area must be directed into the permitted
stormwater control system."
C. 'Built -upon area in excess of the permitted amount will require a permit modification."
"The connection into the stormwater control shall be made such that short-circuiting of the system does not
occur."
14. A copy of the recorded deed restrictions must be submitted to the DWQ within 30 days of the date of the recording.
The recorded copy must be signed by the permittee, dated, stamped with the deed book number and page, and bear
the stamp of the Register of Deeds.
15. The following items will require a modification to the permit:
a. Any revision to the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area.
e. Further subdivision, acquisition, or sale of the project area. The project area is defined as all property owned
by the permittee, for which Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan.
16. The Director may determine that other revisions to the project should require a modification to the permit.
17. The Director may notify the permittee when the permitted site does not meet one or more of the minimum
requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time
schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies
of revised plans and certification in writing to the Director that the changes have been made.
5

State Stormwater Management Systems
Permit No. SW8 990423
III. GENERAL CONDITIONS
This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name
change of the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied
by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate.
The approval of this request will be considered on its merits and may or may not be approved.
2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement
action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-
215.6C.
The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules,
regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have
jurisdiction.
4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the
Permittee shall take immediate corrective action, including those as may be required by this Division, such as the
construction of additional or replacement stormwater management systems.
The permittee grants DENR Staff permission to enter the property for the purpose of inspecting all components of
the permitted stormwater management facility.
The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit
modification, revocation and reissuance or termination does not stay any permit condition.
Permit issued this the 28th day of September, 1999.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�!
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW8 990423
0

State Stormwater Management Systems
Permit No. SW8 990423
Wal-Mart Super Center #1392-00
Stormwater Permit No. SW8 990423
New Hanover County
Designer's Certification
Page 1 of 2
1, , as a duly registered
in
the State ofNorth Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the best of my abilities, due care and
diligence was used in the observation of the project construction such that the construction was observed to be built within
substantial compliance and intent of the approved plans and specifications.
I have checked the items listed on Page 2 of this form as a part of this Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
7

State Stormwater Management Systems
Permit No. SW8 990423
Certification Requirements:
Page 2 of 2
1. The drainage area to the system contains approximately the permitted acreage.
2. The drainage area to the system contains no more than the permitted amount of built -upon area.
3. All the built -upon area associated with the project is graded such that the runoff drains to the system.
4. The outlet/bypass structure elevations are per the approved plan.
5. The outlet structure is located per the approved plans.
6. Trash rack is provided on the outlet/bypass structure.
7. All slopes are grassed with permanent vegetation.
8. Vegetated slopes are no steeper than 3:1.
9. The inlets are located per the approved plans and do not cause short-circuiting of the system.
10. The permitted amounts of surface area and/or volume have been provided.
11. Required drawdown devices are correctly sized per the approved plans.
12. All required design depths are provided.
13. All required parts of the system are provided, such as a vegetated shelf, and a
forebay.
14. The overall dimensions of the system, as shown on the approved plans, are provided.
cc: NCDENR-DWQ Regional Office
Tony Roberts, New Hanover County Building Inspector
F."

State of Norte Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
L GENERAL YNMRMATION
I. Applicants name (specify the name of the corporation, individual, etc, who owns the project):
Wal-Mart Stores, Inc.
2. Print Owner/Signing Official's name�n tit (the person who is legally responsible for the facility and its compliance):
Vice
3. Mailing Address for person listed in item 2 above:
Tenth Street
Telephone Number: ( 501 )._ 27;-4000
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Wal-Mart #1392-00
Location of Facility (street address):
Van Campen Boulevard
City: Wilmington county: New Hanover
b. Directions to facility (from nearest major intersection):
Heading north on Van Campen Blvd. from S. College Road (NC132). Site is on the
left pas the Merriot Courtyard.
7. Latitude: N 34014' 40" Longitude: W 770 52' 21" of facility
8. Contact person who cm answer questions about the facility:
Name: Larry Sneeden Telephone Number: ( 910 ) 343-9653
IL PERMrr iNi+'®RMATYON:
L Specify whether project is (check one): X New Renewal Modification
2. if this application is being submitted as the result of a renewal or modification to an existing permit, list
the existing permit number n/a and its issue date(if known)
Form SWU-101 April 1998 Page 1 of 4

r 3. Specify the t}W of project (check one):
% Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements (check applicable blanks):
CAMA X Sedimentation/Erosion Control X 404 Permit
IIL PROJECT INFORMATION:
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
Stormwater runoff will be directed to a wet detention basin designed for 90% suspended
solids removal prior to discharge to downstream waters.
2. Stormwater runoff from this project drains to the
3. Total Project Area:
39.0 acres
Cape Fear River basin.
4. Project Built Upon Area: 80 %
5. How many drainage basins does the project have? 1
6. Complete the following information for each drainage basin. if there arc more than two drainage basins in the project.
attach an additional sheet with the information for each basin prodded in the same format as below.
BasiriIn%rination _:;=;:::;°: `;:';' ° :
::.:.:€:': Drama eBasin 1 :..:....:::: .:
Drama Basin 2
Receiving Stream Name
S M-1th Greek
Receiving Stream Class-C--SW
Draina a Basin Area
, Q
Existin Im nious* Area
0.7
Proposed Im 'ous* Area
31.
Im rvious* Area total
0
im 'this* Surface Area
::: :.:. Drainage Basin 1. :.. ,
Drairiage Basin 2 :. ..
On -site Buildings5.1
a
On -site Streets
On -site Parkin
ac
-.11.4
On -site Sidewalks
n.8
Other on -site
Off -site
Total:
-ac-
=
-
iniijrr vtuaj urru is urjuteu us the aunt upon area 7nctuaing, but not Ulmted to, buildings. roads, parking
areas, sidewalks, gravel areas, etc.
7. How was the off site impervious area listed above derived: See' attached summary �.n calculati.ons . _
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
Deed restrictions and protective covenants and required to be recorded for all low density projects and all subdivisions
prior to the sale of any lot. Please see Attachment A for the specific items that must be recorded.
Form SWU-1o1 April 1998 Page 2 of 4

they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State,
and that they will be recorded prior to the sale of any lot.
V. AGENT AUTHORIZATION
If you wish to designate submittal authority to another individual or firm so that they may provide
information on your behalf, please complete this section:
Designated agent (individual or firm): Andrew & Kuske Consulting Engineers, Inc.
Mailing Address: 902 Market Street
City: Wilmington State:
NC
Zip: 28401
Phone: (910 ) 343-9653 Fax: (910 ) 343-9604
VI. SUBMITTAL REQUIREMENTS
This application package will not be accepted by the Division of Water Quality unless all of the applicable
items are included with the submittal.
1. Please indicate that you have provided the following required information by signing your initials in the space provided
next to each item.
Applicant's Initials
• Original and one copy of the Stormwater Management Permit Application Form
• One copy of the applicable Supplement Form(s) for each BMP (see Attachment A) 5
• Permit application processing fee (see Attachment A) S
• Two copies of calculations 5�7C
• Detailed narrative description of stor•nwater treatment/management �ht
• Two copies of plans and specifications, including: S
— Development/Project name
— Engineer and firm
— Legend
— North arrow
— Scale
— Revision number & date
— Mean high water line
— Dimensioned property/project boundary
—Location map with named streets or NCSR numbers
— Original contours, proposed contours, spot elevations, finished floor elevations
—Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter
— Wetlands delineated, or a note on plans that none exist
— Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
—Drainage basins delineated
— Vegetated buffers (where required)
VII. APPLICANT'S CERTIFICATION
I, (print or type name ofperson listed in General Information, item 2) JF—y / o(44a
certify that the information included on
conformance with the approved/ ans,
recorded with all reauired nermif ohditi
requirements of 15A N
X Signature
Title:
this permit application form is correct, that the project will be constructed in
that the deed restrictions in accordance with Attachment A of this form will be
tns, and that to the best of my knowledge, the proposed project complies with the
F1
1. Deed Restriction Language
Date:
L'...-.., V AITF r in 1 A «r:l 1009 13— 1 ,.f n

ATTACHMENT A
L Deed Restriction Language
The following statements must be recorded for all low density projects and for all projects that im olve the subdivision
selling of lots or outparcels:
1 • No more than _ 8� and
the edge o square feet of any lot, including that portion of the right-of-H'av betKeen
g ofPavement and the front lot line, shall be covered by impervious structures including
asphalt, gravel, concrete, brick, stone, slate or similar »taterial but not including wood decking or surface ofsKymming pools This covenant is intended to insure continued compliance Kith the the
stormwater permit issued by the State ofXorth Carolina. The covenant may not be changed or
deleted without the consent of the State.
2• No one pray fill in, pipe, or alter any roadside ms-ale except as necessary to provide a minimumdriveway crossing.
NOTE: If lot sizes vary significantly, the owner, developer must protidc an attachment listing each lot number
allowable built -upon area for each lot.
, sue and the
For commercial projects that have outparcels or future development the following statements must also be
recorded:
3. The connection from the outparcel or future area into the stormxater aystent must he made into the
forehav such that short-circuiting of the system does not occur.
4• All built -upon area from the outparcel or future development must be directed into t
stormx�ater control system. he permitted
S• Built -upon area in excess of the permitted amount will require a permit mortification prior to
construction.
For curb outlet systems, or
the following statements in addition to items 1 and 2 above must be ded:
6 No one stay pipe, fill in or alter any designated 100 foot long grassed , ,•ale used io meet the
requirements of NCAC 2H .1008(g).
2• Supplement Forms
The applicable supplement form(s) listed below must be submitted for each BMP specified for this
Form SWU-102 III* -project:
Form SWU-103
Form SWU-104
Form SWU-105
Form SWU-106
Form SWU-107
Form SWU-108
3.
t Detention Basin Supplement
Infiltration Basin Supplement
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Underground Infiltration Trench Supplement
Neuse River Basin Nutrient Management Strategy Supplement
Permit Application Fees (Check made payable to NCDENR and submitted to the appropriate Regional
Type of Permit
Low Density
High Density
Other
Director's Certification
General Permit
Form S WU- MI April 1998
N1�11', Modification, or Late
Renewal
$225
$385
$225
$350
$50
Page 4 of 4
Office)
Timely Renewal Without
Modif cation
n/a
$225
n/a
n/a
n/a

DETENTION POND ANALYSIS
PROJECT #: SW8 990423
PROJECT NAME: WalMart Super Center
FILE NAME: S:1WQSIPOND1990423.WK1
REVIEWER: arl
DATE: 28-Sep-99
Receiving Stream: Smith Creek Class: C Sw Chlorides: n/a
Drainage Basin:. Cape Fear Index No. 18-74-63
Site Area 1023660.00 square feet
Drainage Area 1698840.00 square feet needs to be verified
Area in Acres 39.00 acres
IMPERVIOUS AREA
WalMart
Sigmon Road
Access Road
Bob King Blvd
Bob King VW
Spirakis
OP1
OP2
OP3
TOTAL
% IMPERVIOUS 79.95%
SURFACE AREA CALCULATION
752800.00 square feet
90500.00 square feet
9000.00 square feet
74000.00 square feet
248100.00 square feet
58800.00 square feet
48100.00 square feet @85%
38500.00 square feet @85%
38500.00 square feet @85%
Pond Depth: 7.0 TSS:
SA/DA 3.40%
Req. SA: square feet
Prov. SA 1"f square feet [From plan Contours]
.... .... E ....
ME CALCULATION
ORIFIC
Bottom 24.00 MSL
Perm. Pool .-33 0 MSL
Design Pool 34.30 MSL
Design SA 87208 square feet
Req. Volume 108951 cubic feet
Prov. Volume "1>Q'QI< cubic feet
Avg. Head =
Flow Q2, cfs 0.633
Flow Q5, cfs 0.253
'0I01
Perm. Pool Volume= .
Req. Forebay Volume= 0
Provided Volume=
Percent= ERR
[From plan Contours]
Rv= 0.77
SA @
Elevation=
0.53 ft
Area, in 26.13
Area, in 10.45
No. of Orifices T n. Diameter, iH 9"L" Area = 27.000 in

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Andrew &Kuske
— - = CONSULTING ENGINEERS, INC.
John R. Andrew, P.E.
J.A. Kuske, P.E.
J. Phillip Norris, P.E.
902 Market St. • Wilmington, North Carolina 28401-4733 • Telephone [phone] • Fax [phone] • [e-mail]
August 5, 1999
Ms. Linda Lewis
NCDENR/Div. of Environmental Mgmt.
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
RE: Wal-Mart Superstore #1392
Stormwater Project SW8 990423
A & K Project No. 98314
Dear Linda:
SIORMWATER
E C E I V E
AUG 0 5 1999
D
D E M
PHoi #
Attached for your review are three sets of revised plan sheets 12 of 26 and 24 of 26, along with a
revised application and supplement form. The revisions address your comments of June 28, 1999
along with additional discussions as follows:
1. The outlet structure has been relocated.
2. The dimensions on the original plans have been supplemented and clarified.
3. We have revised the calculations to list impervious area as requested.
4. We have clarified Note 10 on Sheet 12 to say that all previously existing wetlands have been
filled in accordance with our Corps permit.
5. We have revised our computational method in accordance with the BMP manual. Because
individual permits are now required for each outparcel, we have reduced allowable impervious
to a more realistic 85 percent. The result is no change in the pond size design.
6. Project number is referenced above.
7. Supplement form has been revised.
8. Mr. King and each party involved are aware that individual permits are now required.
9. Supplement form has been revised to accommodate a portable pump.
We appreciate the thoroughness of your review and look forward to receipt of a permit.
Sincerely,
ANDREW & KUSKE
CONSULTING EN NEERS, INC.
C. Lawrence Sneeden, Jr., P. E.
CLS/tsm
Attachments
cc: Mr. Jeff Doss w/ attachment (no plans)
Mr. Scott Stannard w/ attachment
W3145

ST
Date
Design
902 Market St.
Andrew and Kuske
CONSULTING ENGINEERS, INC.
Wilmington, N.C. 284011000
She
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Data for 98314 WALMART #1392 Page 1
TEN YEAR 24-HOUR RAINFALL= 7.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 30 Mar 99
HydroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
SUBCATCHMENT 1 DRAINAGE TO DETENTION POND
PEAK= 186.0 CFS @ 12.19 HRS, VOLUME= 12.56 AF
ACRES CN SCS TR-20 METHOD
38.40 89 85W IMP, SOIL GROUP A TYPE III 24-HOUR
RAINFALL= 7.00 IN
SPAN= 11-15 HRS, dt=.02 HRS
Method Comment Tc (min)
DIRECT ENTRY Segment ID: 15.0
SUBCATCHMENT i RUNOFF
DRAINAGE TO DETENTION POND
180
170
AREA= 38.4 AC
160
Tc= 15 MIN
150
CN= 89
140
130
4- 10
SCS TR-20 METHOD
4- 110
TYPE III 24-HOUR
U 100
RAINFALL= 7.00 IN
90
3 80
PEAK= 186.0 CF5
O 70
8 12.19 HRS
J 60
UOLUME= 12.56 AF
LL- 50
40
30
20
10
000
in m in m in m U) m
TIME (hours)

Data for 98314 WALMART #1392 Page 2
TEN YEAR 24-HOUR RAINFALL= 7.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 30 Mar 99
HydroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
SUBCATCHMENT 10 PRECONSTRUCTION RUNOFF
PEAK= 21.91 CFS ® 12.96 HRS, VOLUME= 2.80 AF
ACRES CN SCS TR-20 METHOD
38.40 48 WOODS TYPE III 24-HOUR
.61 48 WOODS AT ACCESS ROAD RAINFALL= 7.00 IN
39.01 48 SPAN= 11-15 HRS, dt=.02 HRS
Method Comment Tc (min)
TR-55 SHEET FLOW OVERLAND FLOW, DITCH OR OFF -SITE 57.5
Woods: Light underbrush n=.4 L=300' P2=4.5 in s=.01
RECT/VEE/TRAP CHANNEL DITCH TO MARKET STREET 4.3
W=2' D=4' SS= 1 '/' a=24 sq-ft Pw=13.3' r=1.803'
s=.0015 '/' n=.02 V=4.26 fps L=1100' Capacity=102.3 cfs
Total Length= 1400 ft Total Tc= 61.8
SUBCATCHMENT 10 RUNOFF
PRECONSTRUCTION RUNOFF
22
20
AREA= 39.01 AC
18
Tc= 61.8 MIN
CN= 48
16
i
14
SCS TR-20 METHOD
4-
TYPE III 24-HOUR
u
12
INFALL= 7.00 IN
V
3
10
PE = 21.91 CFS
0
8
.96 HRS
J
UOLUME= AF
LL_
6
4
2
0m
in m in m in m Ln m
In
TIME (hours)

Data for 98314 WALMART #1392 Page 3
TEN YEAR 24-HOUR RAINFALL= 7.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 13 Apr 99
HYdroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
POND 1
WALMART DETENTION POND
Qin = 186.0 CFS ® 12.19 HRS, VOLUME= 12.56 AF
Qout= 21.37 CFS ® 13.13 HRS, VOLUME= 4.87 AF, ATTEN= 89%, LAG= 56.6 MIN
ELEVATION AREA INC.STOR CUM.STOR STOR-IND METHOD
(FT) (SF) (CF) (CF) PEAK STORAGE = 377141 CF
33.0 81100 0 0 PEAK ELEVATION= 37.2 FT
34.0 85200 83150 83150 FLOOD ELEVATION= 38.0 FT
35.0 89400 87300 170450 START ELEVATION= 33.0 FT
36.0 93700 91550 262000 SPAN= 11-15 HRS, dt=.02 HRS
37.0 98100 95900 357900 Tdet= 102 MIN (4.87 AV)
38.0 102500 100300 458200
# ROUTE INVERT OUTLET DEVICES
1 P 33.0' .75' x .25' ORIFICE/GRATE
Q=.6 Width 2/3 SQR(2g) (H-1.5 - [H-Height]^^ .5)
2 P 34.3' 5' x .5' ORIFICE/GRATE
Q=.6 Width 2/3 SQR(2g) (H"1.5 - [H-Height]^1.5)
3 P 37.2' 20' SHARP -CRESTED RECTANGULAR WEIR
Q=C L H-1.5 C=3.27+.4 H/4 L=Length-O(.1 H)
POND 1 INFLOW & OUTFLOW
WALMART DETENTION POND
18e
170
STOR-IND METHOD
160
PEAK STOR= 377141 CF
150
140
PEAK ELEU= 37.2 FT
130
120
Qin= 186.0 CF5
c�
110
Gout= 21.37 CFS
u
100
LAG= 56.6 MIN
90
3
80
0
70
J
60
LL-
50
40
30
20
--
----- -------------
10
�"
0m
in m in m in m in m
N N r9 f*] c V' In
TIME (hours)

Data for 98314 WALMART #1392 Page 4
FIFTY YEAR 24-HOUR RAINFALL= 9.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 30 Mar 99
HydroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
SUBCATCHMENT 1 DRAINAGE TO DETENTION POND
PEAK= 245.9 CFS @ 12.19 HRS, VOLUME= 16.62 AF
ACRES CN SCS TR-20 METHOD
38.40 89 85% IMP, SOIL GROUP A TYPE III 24-HOUR
RAINFALL= 9.00 IN
SPAN= 11-15 HRS, dt=.02 HRS
Method Comment Tc (min)
DIRECT ENTRY Segment ID:
15.0
SUBCATCHMENT 1 RUNOFF
DRAINAGE TO DETENTION POND
240
220 AREA= 38.4 AC
200 Tc= 15 MIN
CN= 89
ISO
j 160 SCS TR-20 METHOD
TYPE III 24-HOUR
u 140 RAINFALL= 9.00 IN
120
3 100 PEAK= 245.9 CFS
O 8 12.19 HRS
-1 80 UOLUME= 16.62 AF
60
40
20 _
0m in m in m in m in m
Q V In
TIME (hours)

Data for 98314 WAIAMT #1392 Page 5
FIFTY YEAR 24-HOIIR RAINFALL= 9.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 30 Mar 99
HydroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
SUBCATCHKENT 10 PRECONSTRUCTION RUNOFF
PEAK= 42.85 CFS @ 12.90 HRS, VOLUME= 5.38 AF
ACRES CN SCS TR-20 METHOD
38.40 48 WOODS TYPE III 24-HOUR
.61 48 WOODS AT ACCESS ROAD RAINFALL= 9.00 IN
39.01 48 SPAN= 11-15 HRS, dt=.02 HRS
Method Comment Tc (min)
TR-55 SHEET FLOW OVERLAND FLOW, DITCH OR OFF -SITE 57.5
Woods: Light underbrush n=.4 L=300' P2=4.5 in s=.01
RECT/VEE/TRAP CHANNEL DITCH TO NARKET STREET 4.3
W=2' D=4' SS= 1 '/' a=24 sq-ft Pw=13.3' r=1.803'
s=.0015 '/' n=.02 V=4.26 fps L=1100' Capacity=102.3 cfs
Total Length= 1400 ft Total Tc= 61.8
40
35
30
Ln
4- 25
U
20
3
O 15
J
LL
10
5
0m
SUBCATCHMENT to RUNOFF
PRECONSTRUCTION RUNOFF
Ln m N m Ln
N N m m
TIME (hour5)
AREA= 39.01 AC
Tc= 61.8 MIN
CN= 48
SCS TR-20 METHOD
TYPE III 24-HOUR
AINFALL= 9.00 IN
AK= 42.85 CF5
8 12.9 HRS
UOLU 5.38 AF
m to m
V V In

Data for 98314 WALMART #1392 Page 6
FIFTY YEAR 24-HOUR RAINFALL= 9.00 IN
Prepared by ANDREW & KUSKE CONSULTING ENGINEERS, INC. 13 Apr 99
HydroCAD 5.01 000479 (c) 1986-1998 Applied Microcomputer Systems
POND 1
WALMART DETENTION POND
Qin = 245.9 CFS @ 12.19 HRS, VOLUME= 16.62 AF
Qout= 65.84 CFS ® 12.65 HRS, VOLUME= 8.17 AF, ATTEN= 73t, LAG= 27.8 MIN
ELEVATION AREA INC.STOR CUM.STOR STOR-IND METHOD
(FT) (SF) (CF) (CF) PEAK STORAGE = 451121 CF
33.0 81100 0 0 PEAK ELEVATION= 37.9 FT
34.0 85200 83150 83150 FLOOD ELEVATION= 38.0 FT
35.0 89400 87300 170450 START ELEVATION= 33.0 FT
36.0 93700 91550 262000 SPAN= 11-15 HRS, dt=.02 HRS
37.0 98100 95900 357900 Tdet= 83.5 MIN (8.17 AF)
38.0 102500 100300 458200
# ROUTE INVERT OUTLET DEVICES
1 P 33.0' .75' x .25' ORIFICE/GRATE
Q=.6 Width 2/3 SQR(2g) (H-1.5 - (H-Height]-l.5)
2 P 34.3' S' x .5' ORIFICE/GRATE
Q=.6 Width 2/3 SQR(2g) (H-1.5 - (H-Height]-l.5)
3 P 37.2' 20, SHARP -CRESTED RECTANGULAR WEIR
Q=C L H"1.5 C=3.27+.4 H/4 L=Length-O(.1 H)
POND 1 INFLOW & OUTFLOW
WALMART DETENTION POND
240
220
STOR-IND METHOD
200
PEAK STOR= 451121 CF
PEAK ELEU= 37.9 FT
180
d) 160
Oin= 245.9 CFS
Qout= 65.84 CFS
U 140
LAG= 27.8 MIN
120
100
.J 80
LL_ 60
40
20
- -- -- ----
0
m
in m in m in m Ln m
^ N N rn rn V V In
TIME (hour5)

State of North Carolina
Department of Environment
and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Division of Water Quality
June 28, 1999
Mr. Jeff Doss, Engineering Manager
Wal-Mart Stores, Inc.
2001 S.E.. 10th Street
Bentonville, AR 72712
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENv:RJNMF_NT AND NATURAL REsOURcrs
Subject: ACKNOWLEDGEMENT OF RECEIPT AND
REQUEST FOR ADDITIONAL INFORMATION
Stormwater Project No. SW8 990423
Wal-Mart Superstore #1392-00-Wilmington
New Hanover County
Dear Mr. Doss:
The Wilmington Regional Office received a Stormwater Management Permit Application for Wal-
Mart Superstore #1392-00-Wilmington on April 21,1999. A preliminary review of that information has
determined that the application is not complete. The following information is needed to continue the
stormwater review:
1. Please either relocate the inlet and forebay, or the outlet structure. The current configuration
of outlet to inlet will create a large dead zone in the pond, and short-circuiting of the runoff.
2. Please dimension each side or arc of the figure created by the permanent pool.
3. Please list the actual total impervious areas for each outparcel by number, Sigmon Road, the
new road, and the Wal-Mart tract.
4. Delineate all wetlands on site, or note on the plans that none exist.
5. Based on the method described in the BMP document used to determine the minimum volume
to be stored in a- pond, the provided volume of 109,400 cubic feet is about 1,500 cubic feet
short of the required minimum of 110,900. Please revise.
6. Please reference the project number above on all correspondance.
7. None of the design information listed on the supplement matches up to either the plan details
or the calculations.
8. The Bob King project, SW8 960701, must submit a modification for an offsite permit. The
pond permitted under 960701 cannot be filled in until the Wal-Mart pond is permitted,
completed, and the Designer's Certification has been submitted. The permit to be issued for
the Wal-Mart will cover the Wal-Mart, the new and existing roads, and the outparcels.
However, since the outparcel development is not known at this time, each parcel must submit
for an offsite permit prior to development, as explained by Rick Shiver.
127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

Mr. Doss
June 28, 1999
Stormwater Project No. SW8 990423
9. An emergency drain for the pond can take the form of a portable pump. Please initial this
blank on the supplement.
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received by this Office prior to July 28, 1999, or the application will be
returned as incomplete. The return of a project will necessitate resubmittal of all required items, including
the application fee. The Division is allowed 90 days from the receipt of a completed application to issue the
permit.
The construction of any impervious surfaces associated with this project prior to receipt of the
stormwater permit is considered a violation of NCGS 143-215.1, and is subject to enforcement action.
If you have any questions concerning this matter please feel free to call me at [phone].
RSS/arl
cc:
Sincerely,
Ms. Linda Lewis
Environmental Engineer
S:\WQS\STORMWAT\ADDINFO\990423.JUN
Linda Lewis
Larry Sneeden, P.E
127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

WAIL*MART Stores, Inel JUN 0 7 1999
Engineering Dept
2001 S.E. Tenth Street.
Bentonville, AR 72712-6489 Fax: [phone]
5/29/99
Mr. Rick Shriver
State of North Carolina Dept. of
Environment and Natural Resources
Wilmington Regional Office
127 Cardinal Dr. Ext.
Wilmington, NC 28405
Re: Stormwater Management Permits
Dear Rick,
I am writing to thank you for the information you shared with me concerning yow• office and the ways
Wal-Mart could help streamline the process. I have attached a memo that I sent to the two main
consultants we use to design our North Carolina projects. Many of the projects in North Carolina are
controlled by developers, but I will also share this with any other consultant that I come across that
happens to be working on a site with a Wal-Mart building included in the development. Hopefully we can
minimize the impacts to your department and let your review staff get out from under the tremendous load
they are carrying at this time. If you continue to see problems with the Wal-Mart projects, please feel free
to call me at 501-273-4387 and I will help in any way I can.
Sincerely, QJvA
Jeff Dos
Engineering Manager

WAL*-MART
Engineering Department East Team ph 2 73-4387 fax [phone]
Memorandum
To: Kim Kauffman, Freeland and Kauffinan, Inc. cc: Rick Shriver, NCDENR
Jay Wolverton, Wolverton and Associates Barr- Andrews
Charles Zimmerman
From: Jeff DosPepp!ar,
g gEn ineerin ment
Subject: Water Quality Permits
Date: 5/28/99
I wanted to update you with respect to our efforts to get Stormwater Management Permits
for the North Carolina projects in the counties where they are required. I talked with
Rick Shriver who heads up this branch of the NCDENR in the Wilmington Regional
office. Rick is the supervisor of Linda Lewis, the environmental engineer who handles to
bulk of the reviews by this office and with whom your project managers are familiar.
Though NCDENR has had some difficulties maintaining a full working staff in the past
year due to situations beyond their control, a small review staff and a surge in
developments is not the only problem. In discussions with Rick, it became apparent to
me that some of the backlog that they are experiencing is being created by the past
practices of our consultants. We are the cause of some of the very thing we complain
about which is lengthy review times. As a result of my conversation with Rick I would
like to make the following suggestions concerning our attempts to obtain the water
quality permit:
1. Make an effort to hire a sub -consultant that is familiar with the guideline for the
application. Don't use this permit as a training ground. If you decide to apply for this
permit with in-house personnel, be sure they understand the process. Until NCDENR
gets on top of this backlog (3-4 months based on Rick's estimate), I suggest you stick
with experience sub -consultants.

2. Do not submit something just to get the 90 day clock ticking. SuEnnissions should be
as complete as we can possibly make them. By submitting incomplete applications
we are only creating unnecessary work for the reviewers. I recently got upset that
Larry Sneeden with Andrew Kuske waited so long to make the first submission on
our Wilmington (IN' project, but I now realize that Larry knew a whole lot more about
the process than I gave him credit for. As a result, I believe he probably shortened
our overall review time by waiting until we had all the pertinent site issues resolved.
3. Check and double check the permit application to for completeness. At this time
NCDENR is probably not as available as they will be in a few months to answer
questions concerning permit submission. If your firm is applying for the permit and
you need an answer, use a sub -consultant that is knowledgeable of the process to
review your permit submission for completeness before you send it to the agency for
review.
4. Don't expect a quick review if there are other NCDENR issues outstanding that have
not been resolved. In an effort to prioritize, Rick informed me that a project such as
our Shallotte, NC expansion, was a low priority because we had not received approval
for our impacts to the wetlands until this week. Now that we have received verbal
approval from the state for the wetlands impacts, our project has received a higher
priority and should be reviewed and hopefully approved soon. In other words, push
to get resolutions on the other issues before expecting a lot of attention from Linda
Lewis. This will keep you from wasting her time with telephone calls and letters.
I committed to Rick that I would do everything I possibly could to help streamline the
review process. Since your two firms do 90% of the Wal-Mart site design and permitting
in North Carolina, your help is very much needed.
Thanks.

Andrew & Kuske John R. Andrew, P.E.
J.A. Kuske, P.E.
CONSULTING ENGINEERS, INC. J. Phillip Norris, P.E.
902 Market St. • Wilmington, North Carolina 28401-4733 • Telephone [phone] • Fax [phone] • [e-mail]
April 13, 1999
NC DEBT
Division of Water Quality
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Attn: Ms. Linda Lewis
RE: Wal-mart ##1392-00
New Hanover County
A&K Project No. 98314
Dear Ms. Lewis:
APR 2 1 1999
N�
Enclosed are two sets of plans for the subject project, two sets of calculations,
the original Division of Water Quality stormwater management permit application
and one copy, two copies of the SWU-102 supplement form, two copies of the
stormwater narrative and a $420.00 check for the processing fee.
Please review this information for approval and contact us with any questions or
comments you may have. Thank you for your assistance on this project.
Sincerely,
ANDREW & KUSKE
CONSULTING ENGINEERS, INC.
r '/' -4cil
C. Lawrence Sneeden, Jr., P. E.
CLS/tsm
Enclosures
cc: Mr. Scott Stan nard/Freeland & Kaufman, Inc.
9MI48VW

STORMWATER MANAGEMENT NARRATIVE
FOR
WAL-MART STORE # 1392-00
WILMINGTON, NORTH CAROLINA
DEVELOPED BY
WAL-MART STORES, INC.
2001 SE 10TH STREET
BENTONVILLE, ARKANSAS 72712
(501) 2734000 RECEIVED
APR 2.1 1999
FEBRUARY 9, 1999 BY: p9e�2�!'
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ANDREW & KUSKE CONSULTING ENGINEERS, INC.
902 MARKET STREET
WILMINGTON, NORTH CAROLINA 28401
[phone]

STORMWATER MANAGEMENT NARRATIVE
WAL-MART STORE # 1392-00
DESCRIPTION
The site is an approximately 26-acre tract, which encompasses most of the undeveloped
land bounded by NewCentre Drive, Market Street, and South College Road in Wilmington. The
site is vacant with medium sized trees and moderately dense vegetation. The tract is gently
sloping to a ditch, which flows north to culvert underneath abandoned railroad tracks at the
Dodge Store site. The isolated wetlands shown have been issued fill permits and the wetlands
indicated in the area of the detention pond have been filled.
The detention pond will serve an area totaling 38.4 acres. This includes the Wal-Mart
site, Sigmon Road from NewCentre Drive to Van Campen Boulevard, outparcels on the north
side of Sigmon Road, the Spirakis tract fronting Market Street, and a vacant 5.6 acre tract owned
by Bob King (including a connector road to NewCentre Drive) located south of Rippy Cadillac
on NewCentre. In addition, the pond will replace an existing pond owned by Bob King servicing
his car storage facility (SW8 960701), allowing that pond to be removed from service. By
handling the runoff from Sigmon Road, this pond addresses your Request for Stormwater Permit
Application (SW8 981217) of December 15, 1998. Note that we are treating 0.77 acres of
existing impervious dirt road surface on Sigmon Road. In exchange, we are allowing 0.61 acres
of new impervious surface on the access road to Market Street to discharge directly to the storm
drain outlet. See the attached vicinity map for drainage areas.
To simplify the design, permitting, and understanding of this treatment system, the entire
drainage basin (minus the detention pond site) was assumed at 90 % impervious surface. This will
allow for the development and redevelopment of on -site and off -site tracts. It is our
vndentan6ing that by constructing treatment fae4ity based o ' impervious
coverage, separate stormwater pe of be � for - art, street
im. proveme=, outparcels, Spirakis, and "ob 1
The project is new development consisting of clearing, grading, and construction of a
retail building, parking areas, access roads, stormwater management system and utilities. Design
impervious for the entire drainage basin is computed at 83 %, inclusive of detention pond sites.
PA

STORMWATER MANAGEMENT MEASURES
Runoff will be collected in curb inlets and roof drains and piped to the new detention
pond. The pond is designed for 90% TSS removal in accordance with state regulations. The pond
has approximately two feet of additional sediment storage to provide for sedimentation during
construction. Discharge from the pond will flow to a new culvert to be installed across the
Spirakis tract north to and under Market Street.
Maintenance will be provided by the grading contractor and developer during
construction. Sediment will be removed to design contours upon completion and stabilization of
graded areas. The Owner or his property manager will provide maintenance after occupancy.
3

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<Oefautn - 1 Markers. Length = 0 feet SITE- 034.14' 40.2" Na 077- 52' 21.1 W i
Name: WRIGHTSVILLE BEACH Location: 034' 14' 30.0" N 077° 51' 59.2" W
Date: 4/21199
Scale: 1 inch equals 1000 feet
, Maotech. Inc.