SW8111108_CURRENT PERMIT_20210528

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 \\\\ O $
DOC TYPE
(] CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
lo7A OS 2 8
YYYYMMDD

ROY COOPER
Governor
DIONNE DELLI-GATTI
Secretary
BRIAN WRENN
Dhecror
May 28, 2021
NORTH CAROLINA
Ei rLvnmental QuaUfy
Marine Corps Base Camp Lejeune
Attn: Neal Paul, Deputy Public Works Officer
1005 Michael Road
Camp Lejeune, NC 28547
Subject: Permit Renewal
State Stormwater Management Permit No. SW8 111108
P-705 Perimeter Street Parking Garage
Onslow County
Dear Mr. Paul:
Effective August 1, 2013 the State Stormwater program has been transferred from the Division of Water Quality
(DWQ) to the Division of Energy, Mineral and Land Resources (DEMLR). All previous references to DWQ will
remain in older stormwater permits issued prior to August 1, 2013 until they are modified. Please note that this permit
will now reference DEMLR as the Division responsible for issuance of the permit.
The Wilmington Regional Office received a complete 8 year Stormwater Management Permit Renewal Application for
the subject project on May 17, 2021. The Division is hereby notifying you that permit SW8 111108 has been renewed
on May 28, 2021, and shall be effective until November 18, 2029,. For your records, please find enclosed a renewed,
updated, and re -issued permit and a copy of the renewal application. Please keep this permit on file at all times. Please
note that the renewed, updated, and re -issued permit does not impose new or different terms; it merely restates some of
the previous terms to provide you with a better understanding of your obligations under the permit.
The renewal and reissuance of this stormwater permit does not imply that the site is currently in compliance with the
terms and conditions of this state stormwater permit. The plans originally approved on November 18, 2011 will remain
in full force and effect in accordance with the regulations set forth in Title 15A NCAC 2H.1000.
This permit is subject to the conditions and limitations as specified therein. Please pay special attention to the
conditions listed in this permit regarding the Operation and Maintenance of the BMP(s), recordation of deed
restrictions, procedures for changes of ownership, transferring the permit, and renewing the permit. Failure to establish
an adequate system for operation and maintenance of the stormwater management system, to record deed restrictions,
to transfer the permit, or to renew the permit, 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 by filing a written petition with the Office of Administrative Hearings (OAH). The written
petition must conform to Chapter 150B of the North Carolina General Statutes, and must be filed with the OAH within
thirty (30) days of receipt of this permit. You should contact the OAH with all questions regarding the filing fee (if a
filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or
via telephone at 919-431-3000, or visit their website at www.NCOAE.com. Unless such demands are made this permit
shall be final and binding.
If you have any questions, need additional copies of the permit or approved plans, please contact Ashley Smith in the
Wilmington Regional Office, at [phone] or [e-mail].
Sincerely,
-4 �% Q
,3� Brian Wrenn, Director
Division of Energy, Mineral and Land Resources
D EW Q�� North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources
Wilmington Regional Omce 1127 Cardinal Drive Extension I Wilmington. North Carolina 28405
ronm ova w
910.796.7215

State Stortnwater Permit No. SW8 111108
Page 2 of 2
Enclosures: Attachment A — Designer's Certification Form
Attachment C — Permitting History
Renewal Application Documents
DES/alms: \\\Stormwatef\Permits & Projects\201 I\ I 11108 HD\2021 05 permit 111108
cc: NCDEQ-DEMLR Wilmington Regional Office
MINER
� ��� North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources
Wilmington Regional Office I II/ Cardinal Drive Extension I Wilmington. North Carolina 26405
o•.s\ r 910.796.7215

State Stormwater Management Systems
Permit No. SW8 111108
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY COMMERCIAL 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
USMCB Camp Lejeune
P-705 Perimeter Street Parking Garage
Perimeter St., Camp Lejeune, Onslow County
FOR THE
construction, operation and maintenance of one (1) closed Sand Filter in compliance with the
provisions of Session Law 2006-246, 2008-211 and 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 Energy,
Mineral and Land Resources (the "Division" or "DEMLR") and considered an enforceable part of
this permit.
This permit shall be effective from the date of issuance until November 18, 2029, and shall be
subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
1. The facilities shall be constructed, operated and maintained in accordance with the
provisions of this permit, the approved plans and specifications, and the supporting
documents attached to this permit and on file with the Division.
2. This stormwater system has been approved for the management of stormwater runoff as
described in Section 1.7 of this permit. The stormwater control has been designed to
handle the runoff from 138,198 square feet of impervious area.
3. The sand filter will be limited to the treatment of that amount of built -upon area indicated
in Section 1.2 and Section 1.7 of this permit, and as shown on the approved plans and
drainage area map. The built -upon area for the future development is limited to 8,000
square feet.
4. The runoff from all built -upon area within the permitteddrainage area of this project must
be directed into the appropriate permitted stormwater control system.
5. The grated cover over the sediment chamber is designed for H-10 loading because the
filter is not subject to traffic loads. The sand chamber has no cover.
6. The project shall provide a 50 foot wide buffer adjacent all surface waters, measured
horizontally from and perpendicular to the normal pool of impoundments, the top of bank
of both sides of rivers and streams, and the mean high water mark of tidal waters.
Page 2 of 8

State Stormwater Management Systems
Permit No. SW8 111108
The following design criteria have been permitted for the proposed sand filter and must
be provided and maintained at design condition:
Design Criteria
DA 1
a. Drainage Area: acres
-Onsite, ft2
-Offsile, ft2
3.43
149,469
0
b. Total BUA, ft2
138,198
c. Design Storm, in.
1.5
d. Adjusted WQV, ft3
12,326
e. Provided WQV, ft3:
12,778
f. HMax, feel
2.29
. Bypass Weir Elevation, fmsl
20.79
h. Top of Sand Elevation, fmsl
18.5
i. Bottom elevation, FMSL
16.0
j. SHWT Elevation, FMSL:
18.00
k. Sand Filter Area, ft2
5,580
I. Sediment Area, As, ft2
3,780
m. Sand Area A, ft2
1,800
n. Underdrain dia. <40 hrs.
6"
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in its entirety and operational
for its intended use prior to the construction of any built -upon surface.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately.
3. Records of maintenance activities must be kept for each permitted BMP. The reports will
indicate the date, activity, name of person performing the work and what actions were
taken.
4. 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.
5. The permittee shall at all times provide the operation and maintenance necessary to
assure the permitted stormwater system functions at the design condition. 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 slopes and the vegetated filter.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of bypass structure, infiltration media, flow
spreader, catch basins, piping and vegetated filter.
g. A clear access path to the bypass structure must be available at all times.
The facilities shall be constructed in accordance with the approved plans and
specifications, the conditions of this permit, and other supporting data.
Page 3 of 8

State Stormwater Management Systems
Permit No. SW8 111108
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. A modification may be required for
those deviations.
Clear and unobstructed access to the stormwater facilities shall be maintained at all
times.
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.
10. No person or entity, including the permittee, shall alter any component shown in the
approved plans and specifications. Prior to the construction of any modification to the
approved plans, the permittee shall submit to the Director, and shall have received
approval for modified plans, specifications, and calculations including, but not limited to,
those listed below. For changes to the project or SCM that impact the certifications, a
new or updated certifcation (s), as applicable, will be required and a copy must be
submitted to the appropriate DEQ regional office upon completion of the modification.
a. Any modification to the approved plans and specifications, regardless of size
including the SCM(s), BUA, details, etc.
b. Redesign or addition to the approved amount of BUA or to the drainage area.
C. Further development, subdivision, acquisition, lease or sale of any, all or part of
the project and/or property area as reported in the approved plans and
specifications.
d. Altering, modifying, removing, relocating, redirecting, regrading, or resizing of any
component of the approved SCM(s), the stormwater collection system and/or
vegetative conveyance shown on the approved plan.
e. The construction of any allocated future BUA.
f. The construction of any permeable pavement, #57 stone area, public trails, or
landscaping material to be considered a permeable surface that were not
included in the approved plans and specifications.
g. Other modifications as determined by the Director.
11. Prior to transfer of the permit, a file review and site inspection will be conducted by
Division personnel to ensure the permit conditions have been met and that the project
and the on -site stormwater system complies with the permit conditions. Any items not in
compliance must be repaired, replaced restored, or resolved prior to the transfer.
Records of maintenance activities performed to date may be requested.
Ill. GENERAL CONDITIONS
Any individual or entity found to be in noncompliance with the provisions of a stormwater
management permit or the requirements of the stormwater rules is subject to
enforcement procedures as set forth in NCGS 143 Article 21.
Page 4 of 8

State Stormwater Management Systems
Permit No. SW8 111108
2. The issuance of this permit does not preclude the permittee from complying with and
obtaining any other permits or approvals that are required for this development to take
place, as required by any statutes, rules, regulations, or ordinances, which may be
imposed by any other Local, State or Federal government agency having jurisdiction.
Any activities undertaken at this site that cause a water quality violation or undertaken
prior to receipt of the necessary permits or approvals to do so are considered violations
of NCGS 143-215.1, and subject to enforcement procedures pursuant to NCGS 143-
215.6.
3. If the facilities fail to perform satisfactorily, the permittee shall take immediate corrective
actions. This includes actions required by this Division and the stormwater rules such as
the construction of additional or replacement on -site stormwater systems. These
additional or replacement measures shall receive a permit from the Division prior to
construction.
4. Permit Transfer: This permit is not transferable to any person or entity except after
notice to and approval by the Director. The permittee shall submit a completed and
signed "Permit Transfer Application Form" (available on the Division website)
accompanied by the required fee and supporting documentation as listed on the form, to
the Division at least 60 days prior to any one or more of the following events:
a. The sale or conveyance of the project area in whole or in part, except in the case
of an individual lot sale that is made subject to the recorded deed restrictions and
protective covenants;
b. Dissolution of the partnership, corporate, or LLC entity, subject to NCGS 55-14-
05 or NCGS 57D-6-07 and 08;
C. Bankruptcy;
d. Foreclosure, subject to the requirements of Session Law 2013-121;
5. Current Permittee Name or Address Changes: The permittee shall submit a completed
"Permit Information Update Application Form" (available on the Division website) to the
Division within 30 days to making any one or more of the following changes:
a. A name change of the current permittee;
b. A name change of the project;
c. A mailing address change of the permittee;
6. The permittee is responsible for compliance with all terms and conditions of this permit
until the Division approves the transfer request. Neither the sale of the project, in whole
or in part, nor the conveyance of common area to a third party constitutes an approved
transfer of the permit.
7. The permittee grants Division Staff permission to enter the property during normal
business hours to inspect all components of the permitted project.
8. The permit issued shall continue in force and effect until the permittee files a request
with the Division for a permit modification, transfer, renewal, or rescission; however,
these actions do not stay any permit conditions.
9. Approved plans, application documents, supplements, calculations, operation and
maintenance agreement, and specifications for this project are incorporated by reference
and are enforceable parts of the permit. A copy of this permit, application, supplements,
operation and maintenance agreement, and approved plans and specifications shall be
maintained on file by the permittee.
10. Unless specified elsewhere, permanent seeding requirements for the on -site stormwater
system must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual.
Page 5 of 8

State Stormwater Management Systems
Permit No. SW8 111108
11. The issuance of this permit does not prohibit the Director from reopening and modifying
the permit, revoking and reissuing the permit, or terminating the permit for cause as
allowed by the laws, rules, and regulations contained in Title 15A NCAC 2H.1000 and
NCGS 143-215.1 et.al.
12. A permit renewal request must be submitted at least 180 days prior to the expiration
date of this permit. The renewal request must include the appropriate application,
documentation and the processing fee as outlined in Title 15A NCAC 02H.1045(3).
Permit renewed, updated, and reissued this the 28 day of May 2021.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Brian Director
Division of Energy, Mineral and Land Resources
By Authority of the Environmental Management Commission
Page 6 of 8

State Stormwater Management Systems
Permit No. SW8 111108
P-705 Perimeter Street Parking Garage
Stormwater Permit No. SW8 111108
Onslow County
Attachment A
Designer's Certification
I, , as a duly registered in the State of
North 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.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
Page 7 of 8

State Stormwater Management Systems
Permit No. SW8 111108
Certification Requirements:
1. The drainage area to the BMP contains approximately the permitted acreage.
2. The drainage area to the BMP 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 appropriate BMP.
4. All roof drains are located such that the runoff is directed into the system.
5. The bypass structure weir elevation is per the approved plan.
6. The bypass structure is located per the approved plans.
7. A grated cover is provided on the sediment chamber side.
8. A solid cover is provided on the sand chamber side.
9. The inlets are located per the approved plans and do not cause short-circuiting of
the system.
10. The permitted amounts of filter chamber surface area and sediment chamber
surface area have been provided.
11. The required volume can be contained in the sand filter.
12. All required design depths are provided.
13. All required parts of the system are provided.
14. The required system dimensions are provided per the approved plans.
cc: NCDEQ-DEMLR Wilmington Regional Office
David Towler, Camp Lejeune
Page 8 of 8

Attachment C - Permitting History
P705 Perimeter Street Parking Garage
Permit No. SW8 111108
Approval
Date
Permit
Action
BIMS
Version
Description of the Changes
1 1 / 18/201 1
Original
Approval
1.0
5/28/2021
Renewal
2.0

Permit Number:
(Io be prodded by DWg)
Drainage Area Number:
Sand Filter Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a
known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or
replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and
the removal efficiency of the BMP.
Important maintenance procedures:
— The drainage area will be carefully managed to reduce the sediment load to the sand filter.
— The sedimentation chamber or forebay will be cleaned out whenever sediment depth exceeds
six inches.
— Once a year, sand media will be skimmed.
— The sand filter media will be replaced whenever it fails to function properly after maintenance.
The sand filter will be inspected quarterly and within 24 hours after every storm event greater than
1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance will be kept in
a known set location and will be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall be repaired
immediately.
BMP'eleinent:
Potentialproblem:
How I will remediate theproblem:
Entire BMP
Trash debris is present.
Remove the trash/debris.
Adjacent pavement (if
Sediment is present on the
Sweep or vacuum the sediment as soon as
applicable)
pavement surface.
possible.
Perimeter of sand filter
Areas of bare soil and/or erosive
Regrade the soil if necessary to remove the
gullies have formed.
gully, and then plant a ground cover and
water until it is established. Provide lime
and a one-time fertilizer application.
Vegetation is too short or too long.
Maintain vegetation at an appropriate
height.
Flow diversion structure
The structure is clogged.
Unclog the conveyance and dispose of any
sediment offsite.
The structure is damaged.
Make any necessary repairs or replace if
damage is too large for repair.
Forebay or pretreatment area
Sediment has accumulated to a
Search for the source of the sediment and
depth of greater than six inches.
remedy the problem if possible. Remove
the sediment and stabilize or dispose of it
in a location where it will not cause
'
impacts to streams or the BMP.
Erosion has occurred.
Provide additional erosion protection such
as reinforced turf matting or riprap if
needed to prevent future erosion
problems.
Weeds are present.
Remove the weeds, preferably by hand. If
a pesticide is used, wipe it on the plants
rather than spraying.
Form SW40I-Sand Filter O&M-Rev.4 2009Septl7
RE, CE1VE'D
NOV 1 4 2011
BY:
Page I of 3

BMP. element: ' . "
Potentialproblem:
How 1 will remediate theproblem:
Filter bed and underdrain
Water is pending on the surface for
Check to see if the collector system is
collection system
more than 24 hours after a storm.
clogged and flush if necessary. If water
still ponds, remove the top few inches of
filter bed media and replace. If water still
ends, then consult an expert.
Outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the
sediment offsite.
The outlet device is damaged
Repair or replace the outlet device.
Receiving water
Erosion or other signs of damage
Contact the NC Division of Water Quality
have occurred at the outlet.
401 Oversight Unit at 919-733-1786.
NOV 1 4 Z011
By:
Form SW401-Sand FilterO&M-Rev.4 2009Sept17 Page 2'of 3

Permit Number:
(to be provided by DWQ)
1 acknowledge and agree by my signature below that I am responsible for the performance of the
maintenance procedures listed above. 1 agree to notify DWQ of any problems with the system or prior
to any changes to the system or responsible party.
Project name: Perimeter Street Parking Garage
BMP drainage area
Print name:Carl H. Baker Jr.
Title:Deputy Publics Works Officer
Address:
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been
sold and a resident of the subdivision has been named the president.
1, J)d y i *tJ iJ o r V-I 5 a Notary Public for the State of
N� ti{n o ni i n, County of D/iS ( OW do hereby certify that
C `adl 170.Kl personally appeared before me this a7 day of
C) �bl r--,- , _0 p , and acknowledge the due executic of the forgoing sand filter
maintenance requirements. Witness my hand and official seal, t �
SYLVIA NORRIS
NOTARY PUBLIC
ONSLOW COUNTY
MY COMMISSION EXPIRES :kY
SEAL
My commission expires 3�aots
Form SW401-Sand Filter O&M-Rev.4 2009Septl7
NOV 1 4 2011
Page 3 of 3

UEMLH USE UNLY
Date Rec ived Fee Paid Permit Number
u)- a1$ — 5w8 ff 1D
�i-ion«, /'JcJi
NC DEG Division of Energy, Mineral and Land Resources
STATE STORMWATER: E�EIV f.
PERMIT RENEWAL APPLICATION FORM MAY jn 111
In accordance with 15A NCAC 2H.1045(3), the current permit holder shall renew their high density permit 180 days
prior to its expiration. Renewed permits are valid for a period of 8 years per Session Law 2011-398 (SB 781)
Section 60.(c). This application form is for permit renewals only.
A. PROJECT INFORMATION
1. State Stormwater Permit Number: SW8 111108
2. Project name: P-705 Perimeter Street Parking Garage High Density Commercial Sand Filter Project
3. Project street address: XXX
City: MCB Camp Lejeune County: Onslow
ZIP: 28542
4. What, if any, changes have been made to the project as permitted?
If the project has changed from the original approved plans, please complete SWU-101 fora Major
Modification or Minor Modification Application form available at: htti)s:Hdeg.nc.gov/about/divisions/energy-
m ineral-land-resources/energy-mineral-land-rules/stormwater-pros ram/post-construction.
B. PERMITTEE INFORMATION
If changes to the permittee or project name have been made, please complete either the Permit Update form
or the Permit Transfer form available at: https://deg.nc.goy/about/divisions/energv-mineral-land-
resources/energv-mineral-land-rules/stormwater-program/post-construction. State Stormwater Permits do not
automatically transfer with the sale of the property.
1. Current Permit Holder's Company Name/Organization: MCB Camp Leieune
2. Signing Official's Name: Neal Paul
3. Signing Official's Title: Deputy Public Works Division
4. Mailing Address: MCB Camp Lejeune 1005 Michael Rd.
City: MCB Camp Lejeune State: NC
ZIP: 28547-2521
5. Street Address:
City: State:
6. Phone: [phone] Email: [e-mail]
ZIP :
EE:UVE"t.
MAY 17 2021
By:
Stormwater Permit Renewal Form Page 1 of 3 May 11, 2018

C. SUBMITTAL REQUIREMENTS
Submit the application package to the appropriate DEMLR Regional Office (Coastal, SA Waters) or DEMLR
Central Office (Urbanizing Areas Ph 2, USMP, Non -Coastal HOW/ORW). Only applications packages that
include all required items listed below will be accepted and reviewed.
Initial each item below to indicate that the required information is provided in the application package:
HEB 1. A permit application processing fee of $505.00 payable to NCDEO.
HEB 2. One original signed hard copy and one electronic copy of this completed form. The signing official
named on this application to represent the current permittee must meet one of the following:
a. Corporation — a principle executive officer of at least the level of vice-president;
b. Limited Liability Company (LLC) — a manager or company official as those terms are defined
in G.S. 57D "North Carolina Limited Liability Company Act;"
c. Public Entity— a principal executive officer, ranking official, or other duly authorized employee;
d. Partnership or limited partnership — the general partner;
e. Sole proprietor; or
f. Letter of authorization signed by one of the signatories noted in a — e above authorizing the
signature of another entity.
HEB 3. One hard copy and one electronic copy of recorded documents required by the original permit that have
not yet been received by DEMLR, including: deed restrictions, protective covenants,
condominium/planned community declaration and easements. If the project has been built, include
documentation that the maximum BUA per lot or maximum total BUA has not been exceeded. If
the project has not been built, include a signed agreement that the final recorded deed restrictions
and protective covenants will be submitted at a later date.
HEB 4. O&M Agreements, Please select one:
® I have a copy of the current recorded O&M Agreement for all SCMs, and I will continue to
keep this on file with the permit; or
❑ 1 do not have a copy of the current recorded O&M Agreement for all SCMs and am
requesting a copy be sent to me. I agree to keep this on file with the permit.
HEB 5. Designer Certifications, Please select one:
® A copy of the certification(s) confirming that the project was built in accordance with the
approved plans have been previously provided to the Division; or
❑ A copy of the certification(s) confirming that the project was built in accordance with the
approved plans are enclosed; or
❑ The project has not yet been built.
6. [IF APPLICABLE] If the project has been built, one original hard copy and one electronic copy of a
signed, sealed, and dated letter from a licensed professional stating that the SCMs have been
inspected, and that they have been built and maintained in accordance with the permit.
7. [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC):
Provide one hard copy and one electronic copy of documentation from the NC Secretary of State,
or other official documentation, which supports the titles and positions held by the persons listed in
Section C.2 per 15A NCAC 2H. 1043(3)(b).
https://www.sosnc.gov/online services/search/by title/ Business Registration
=(;,11%
MAY 11 2021
Stormwater Permit Renewal Application Form Page 2 of 3 May 11, 2018

D. PERMITTEE'S CERTIFICATION l
I, � 0a-� 4, Li.JOC , the person legally responsible for the permit, certify that I have
a copy of the Permit and O&M Agreement on site (or I will obtain a copy and it will be kept on site), that I am
responsible for the performance of the maintenance procedures, and the site has been and will be maintained
according to the O&M Agreement and approved plans. I agree to notify DEMLR of any problems with the SCMs
or built -upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the
project, SCMs or ownership formation provided on this permit renewal application is, to the best of my
knowledg , cor annd co plete.
Signature: C Date: Z 1
NOTARIZATION:
that
' I , a Notary Public for the State of
County of do hereby certify
personally appeared before me
this the `4 day of W1 &J 20 Z1 and acknowledge the due
execution of the forgoing instrument. Witness my hand and official seal,
��rriur�
(Notary Seal) ., ., \V ERS0 �
CV; NpTARY _
Notary Signature: �G _
p' , PURL
My commission expires � �'� 2625�' :'1'c+'••.,, „ ���
MAY 17 2021
Stormwater Permit Renewal Application Form Page 3 of 3 May 11, 2018

L�
1�r
r;.

Permit Numbac�l'& 1111" J
(to be provided by DWQ)
pF W A TF9
�� 02 0y
PICDEPlR STORMWATER MANAGEMENT PERMIT APPLICATION FORM o
401 CERTIFICATION APPLICATION FORM
SAND FILTER SUPPLEMENT
This form must be filled out on line, printed and submitted with all of the required information.
Make sure to also fill out and submit the Required Items Checklist (Section III) and the I&M Agreement (Section IV)
I. PROJECT INFORMATION
Project name
Perimeter Street Parking Garage
Contact name
David Towler
Phone number
910-451-3238
Date
November 3, 2011
Drainage area number
1
II. DESIGN INFORMATION
Site Characteristics
Drainage area (AD)
149,469.00 ryz OK
Impervious area
138,198.00 ryz
% Impervious (IA)
92,5% %
Design rainfall depth (Ro)
1.50 in
Peak Flow Calculations
1-yr, 24-hr runoff depth
3.50 in
1-yr, 24-hr intensity
0.15 in/hr
Pre -development 1-yr, 24-hr runoff
2.87 rya/sec
Post -development 1-yr, 24-hr runoff
9.10 ft3/sec
Pre/Post 1-yr, 24-hr peak control
- 6.23 rya/sec
Storage Volume
Design volume (WQV) 16,435.00 rya
Adjusted water quality volume (WQVAdi) 12,326.25 rya
OK
Volume contained in the sedimentation basin and on top of the sand filter 12,778.00 rya
Top of sand filter/grate elevation 24 fit amsl
Weir elevation (between chambers) - 18.5 ry amsl
Maximum head on the sedimentation basin and sand filler (hMuFflter) 2.29 ry OK
Average head on the sedimentation basin and sand filter (hA) 1.15 ff OK
Runoff Coefficient (Rv) 0.88 (unitless)
Type of Sand Filter
Open sand filter?
SHWT elevation
Bottom of the sand filter elevation
Clearance (dSlui
Closed/pre-cast sand filter?
SHWT elevation
Bottom of the sand filter elevation
Clearance (dsHwr)
If this is a closed, underground closed sand filter: The clearance between
the surface of the sand filter and the bottom of the roof of the underground
structure (dsntte)
YorN
ry amsl
ff amsl
Y YorN
18.00 ry amsl
16.00 ff amsl
-2.00
RECEIVED
LNOV 1 4 2011
BY:
Form SW401-Sand Filter-Rev.5 2009Sedt17 Parts I and II. Project Design Summary, Page 1 of 2

Sedimentation Basin
Permit
(to be provided by DWQ)
Surface area of sedimentation basin (As)
Sedimentation basin/chamber depth
Sand Filter
Surface area of sand filter (Ar)
Top of sand media filter bed elevation
Bottom of sand media filter bed/drain elevation
Depth of the sand media filter bed (dr)
Coefficient of permeability for the sand filter (k)
Outlet diameter
Outlet discharge/flow rate
Time to drain the sand filter (t)
Time to drain the sand filler (t)
Additional Information
Does volume in excess of the design volume bypass the sand filter?
Is an off-line flow -splitting device used?
If draining to SA waters: Does volume in excess of the design volume flow
evenly distributed throuqh a veqetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Is the BMP located at least 30ft from surface waters (50ft if SA waters)?
If not a closed bottom, is BMP located at least 100ft from water supply wells?
Are the vegetated side slopes equal to or less than 3:1
Is the BMP located in a recorded drainage easement with a recorded accesE
easement to a public Right of Way (ROW)?
What is the width of the sedimentation chamber/forebay (Wsea)?
What is the depth of sand over the outlet pipe (dope)?
3,780,00 ft'
7.00 It
1,800.00 ft'
18.50 ft amsl
17.00 ft amsl
1.50 ft
3.50 (ft/day)
6.00 in
4.00 ft'/sec
40.00 hours
1.67 days
OK. Meets minimum, but may need to be increased to
OK. Meets minimum, but may need to be increased to
OK. Submit drainage calculations.
Y Y or N OK
Y Y or N OK
YorN
YorN
Y YorN OK
Y YorN OK
YorN
YorN
63.00 ft OK
1.00 ft OK
RECEIVED
NOV 1 4 Z011
BY:
Farm SW401-Sand Filter-Rev.5 2009Sept17 Parts I and 11. Project Design Summary, Page 2 of 2

Permit No.
(to be provided by D WO)
IIh: REQUIRED ITEMS CHECKLIST
Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal
package will result in a request for additional information. This will delay final review and approval of the project. Initial
in the space provided to indicate the following design requirements have been met, If the applicant has designated an agent,
the agent may initial below. If a requirement has not been met, attach justification.
Initials Pagel Plan
Sheet No.
ALb CGO01
1. Plans (1" - 50' or larger) of the entire site with labeled drainage area boundaries
- System dimensions (length, width, and depth) for both the sedimentation chamber and the filter
chamber,
- Maintenance access,
- Flow splitting device,
- Proposed drainage easement and public right of way (ROW),
- Design at ultimate build -out,
- OH -site drainage (if applicable), and
- Boundaries of drainage easement.
AL6 CG1021
2. Plan details (1" = 30' or larger) for the sand filter showing:
CS506
- System dimensions (length, width, and depth) for both the sedimentation chamber and the filter
chamber,
- Maintenance access,
- Flow splitting device,
- Vegetative filter strip dimensions and slope (if SA waters),
- Proposed drainage easement and public right of way (ROW),
- Design at ultimate build -out,
- OH -site drainage (if applicable), and
- Boundaries of drainage easement.
At,b CS506 3. Section view of the sand filter (1" = 20' or larger) showing:
- Depth(s) of the sedimentation chamber and sand filter chamber,
- Depth of sand filter media,
Connection between the sedimentation chamber and the sand filter chamber and weir elevation,
SHWT elevation,
Outlet pipe, and
Clearance from the surface of the sand filter to the bottom of the roof of the underground structure (if
applicable).
Included 4. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The
results of the soils report must be verified in the field by DWO, by completing & submitting the soils
investigation request form. County soil maps are not an acceptable source of soils information.
AL-6 Included 5. Supporting calculations (including drainage calculations)
_& Included 6. Signed and notarized operation and maintenance (0&M) agreement
li ISO7. A copy of the deed restrictions (if required).
R-ECEIVED
NOV 1 4 2011
BY:
Form SW401-Sand Filter-Rev.5 2009Sept17 , Part III, Page 3 of 5