SW8140906_Current Permit_20191009

ROY COOPER
Governor
IVUCHAEL S. REGAN
Secretary
S. DANIEL SMITH
Dirww
October 9, 2019
North Carolina National Guard
Attn: COL Rodney D. Newton
1636 Gold Star Drive, Suite 2600
Raleigh, NC 27607
NORTH CAROLINA
awkvnmenud Qealtty
Subject: Approved Minor Modification
Stormwater Permit No. SW8 140906
Wilmington Readiness Center
New Hanover County
Dear COL Newton:
On October 7, 2019, the Wilmington Regional Office of the Division of Energy, Mineral and Land
Resources received and accepted a complete minor modification application for changes to the approved
plans for Stormwater Management Permit Number SW8 140906. It has been determined that the nature of
the proposed change meets the definition of a minor modification in that it does not result in an increase
in the size of the permitted stormwater control measure (SCM) and does not increase the amount of built -
upon area. Please refer to Attachment C for a detailed description of the current proposed minor
modification and a list of all the past modifications approved during the effective period of the permit. We
are forwarding you an approved copy of the modified plans for your files. Please add the attached plans
to the previously approved plan set. Please replace the previously issued permit with the revised permit,
dated October 9, 2019, attached, including revised deed restrictions. This revised 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.
Please be aware that all terms and conditions of the permit issued on October 14, 2014 and modified as
attached, remain in full force and effect, including the requirement to revise or amend the recorded deed
restrictions with the updated built -upon area allocations. Please also understand that the approval of this
minor modification to the subject State Stormwater Permit is done on a case -by -case basis. Any other
changes to this project must be approved through this Office prior to construction. The approval of this
minor modification does not preclude the permittee from complying with all other applicable statutes,
rules, regulations or ordinances which may have jurisdiction over the proposed activity, and obtaining a
permit or approval prior to construction.
If you have any questions concerning this matter, please do not hesitate to call me at [phone] or
via email at [e-mail].
Yy,
orda
Environmental Engineer
Enclosures: Attachment B — Data Summary Tables
Attachment C — Permitting History
Application Documents
`'*DS\gdz: \\\Stormwater\Permits & Projects\2014\140906 HD\2019 10 permit —minor 140906
cc: Frank Slinsky, PE, Timmons Group
New Hanover County Building Safety Department
Wilmington Regional Office Stormwater File
Q � 1 North Carolina Department of Environmental �aality I Division of Energy, Mtineral and Land Resources
Q � Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington, North Carolina 28405
MaRk"01 r 910.796.7215

State Stormwater Management Systems
Permit No. SW8 140906
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
STATE STOrRMWATER MANAGEMENT PERMIT
REDEVELOPMENT WITH SAND FILTERS PROJECT
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
North Carolina National Guard
National Guard Readiness Center
2414 Infantry Road, Wilmington, New Hanover County
FOR THE
construction, operation and maintenance of two (2) sand filters ("stormwater control measures" or
"SCMs") which have been permitted as primary SCMs per 15A NCAC 02H .1002(37). The project
also contains a dry pond which is permitted as a secondary SCM, which is for hydraulic benefits and
not total suspended solids removal per.1002(46) and .1003(5). This permit is issued in compliance
with the provisions of Title 15A NCAC 2H .1000 effective January 1, 2017 (the "stormwater rules") and
the approved stormwater management plans, application, supplement(s), specifications, and other
supporting data (the "approved plans and specifications") as attached and/or 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 October 14, 2022 and shall be subject to
the following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the management and volume of stormwater
described in the approved plans and specifications. The maximum amount of built -upon area
(BUA) allowed for the entire project is summarized in the Attachment B, Tables 1 and 2. The
total allocated impervious area is 267,530 square feet to be constructed on the site. The dry
pond does not receive impervious area treatment credit because it is not a primary SCM per 15A
NCAC 02H. 1002(46). The dry pond provides peak flow detention as required by 15A NCAC
02H. 1003(5). As shown in Attachment B Table 2, the dry pond is able to accommodate an
additional 54,450 square feet of future impervious area via a future permit modification (if the
54,450 square feet is also treated by a primary SCM). Therefore, the total impervious area is
321,980 square feet (which is equal to the 267,530 square feet allocated plus the potential
54,450 square feet of future impervious.). Additionally, there was 181,038sf of impervious area
in place prior to 1988 as demonstrated on the permitted plans an in Attachment B Table 1.
Since the total allocated impervious area for the project is 267,530sf the project must treat at
least (267,530sf-181,038sf=) 86,492sf of impervious area. As shown in Attachment B Table 1,
the project provides two sand filters which treat 63,162sf and 61,855sf (total=125;017sf).
Therefore, this project meets the 15A NCAC 02H .1003(3)(d) requirement.
2. The drainage areas for the on -site stormwater systems will be limited to the amounts of built -
upon area indicated in this permit and the approved plans and specifications. The runoff from all
built -upon area within the permitted drainage areas of this project must be directed into the
permitted stormwater control measures. The stormwater control measures labeled Sand Filter 1
and Sand Filter 2 have been designed using the runoff treatment method to handle the runoff
from 63,162 and 61,855 square feet of built -upon area, respectively. This permit does not
Page 1 of 4

State Stormwater Management Systems
Permit No. SW8 140906
provide any allocation of built -upon area for future development in the drainage area of either
sand filter.
3. A 50-foot wide vegetative setback must be provided and maintained adjacent to all surface
waters, measured horizontally from the normal pool elevation of impounded structures, from the
top of bank of each side of streams or rivers, and from the mean high waterline of tidal waters,
perpendicular to the shoreline in accordance with the stormwater rules and the approved plans
and specifications.
4. The stormwater control measure(s) is(are) permitted based on the design criteria presented in
the sealed, signed and dated supplement and as shown in the approved plans and
specifications. These stormwater control measures must be provided and maintained at the
design condition. The approved supplement is incorporated by reference into this permit.
5. The peak flow from the 10-year storm event shall not cause erosion downslope of the
stormwater outlet discharge point.
6. The sand filter shall be maintained in a manner that results in a drawdown of at least two inches
per hour at that sand surface.
7. The fence posts permitted on October 30, 2017 have a negligible amount of concrete for
structural support, but there has been no impact on the impervious area previously -permitted.
The fence is exempted from State Stormwater permitting.
II. SCHEDULE OF COMPLIANCE
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. The on -site stormwater system shall be entirely constructed, vegetated, and operational prior to
the construction of any development, per the approved plans and specifications.
3. During construction, erosion shall be kept to a minimum and any eroded areas of the on -site
stormwater system will be repaired immediately. If the stormwater system is 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.
4. All stormwater control measures, stormwater collection systems vegetated conveyance systems,
and/or maintenance accesses must be located in public rights -of -way, dedicated common areas
that extend to the nearest public right-of-way, and/or permanent recorded easements that
extend to the nearest public right-of-way for the purpose of inspection, operation, maintenance,
and repair.
5. The permittee shall at all times provide and perform the operation and maintenance necessary,
as listed in the signed Operation and Maintenance Agreement, to assure that all components of
the permitted on -site stormwater system functions at the approved design condition. The
approved Operation and Maintenance Agreement is incorporated by reference into this permit
and must be followed in its entirety and maintenance must occur at the scheduled intervals.
6. The operation and maintenance agreement must be recorded with the Office of the Register of
Deeds.
7. Records of maintenance activities must be kept and made available upon request to authorized
personnel of the Division. The records will indicate the date, activity, name of person performing
the work and what actions were taken.
B. The final plats for the project must be recorded with the Office of the Register of Deeds. The
recorded plat must reference the Operation and Maintenance Agreement and must also show all
public rights -of -way, dedicated common areas, and/or permanent drainage easements, in
accordance with the approved plans.
9. The permittee is responsible for verifying that the proposed built -upon area for the entire project
does not exceed the maximum allowed by this permit.
Page 2 of 4

State Stormwater Management Systems
Permit No. SW8 140906
10. Upon completion of the project, the permittee shall determine whether or not the project is in
compliance with the permitted plans and take the necessary following actions:
a. If the permittee determines that the project is in compliance with the permitted plans, then
within 45 days of completion, the permittee shall submit to the Division one hard copy and
one electronic copy of the following:
i. The completed and signed Designer's Certification provided in Attachment A
noting any deviations from the approved plans and specifications. Deviations
may require approval from the Division;
ii. A copy of the recorded maintenance agreement;
iii. Unless already provided, a copy of the recorded deed restrictions and protective
covenants; and
iv. A copy of the recorded plat delineating the public rights -of -way, dedicated
common areas and/or permanent recorded easements, when applicable.
b. If the permittee determines that the project is not in compliance with the permitted plans,
the permittee shall submit an application to modify the permit within 30 days of completion
of the project or provide a plan of action, with a timeline, to bring the site into compliance.
11 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:
a. Any modification to the approved plans and specifications, regardless of size including the
stormwater control measures, built -upon area, details, etc.
b. Redesign or addition to the approved amount of built -upon area or to the drainage area.
c. Further development, subdivision, acquisition, lease or sale of any, all or part of the project
area as reported in the approved plans and specifications.
d. Altering, modifying, removing, relocating, redirecting, or resizing of any component of the
approved stormwater control measure, stormwater collection system and/or vegetative
conveyance system shown on the approved plan.
e. The construction of any allocated future BUA.
f. The construction of any permeable pavement for BUA credit that was not included in the
approved plans and specifications. The request must include a soils report identifying the
type of soil, the Seasonal High Water Table elevation and the infiltration rate.
g. The construction of any 57 stone area or trails to be considered a permeable surface that
were not included in the approved plans and specifications.
h. Other modifications as determined by the Director.
12. 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 modified plans and certification in writing to
the Director that the changes have been made.
13. 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 is in compliance with all 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.
III. GENERAL CONDITIONS
1. 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 _
2. The issuance of this permit does not preclude the permittee from complying with and obtaining
any and all other permits or approvals that are required in order 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 14.3-215.6.
Page 3 of 4

State Stormwater Management Systems
Permit No. SW8 140906
3. In the event that 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. 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. The permittee is responsible for compliance with all of these terms and conditions until such time
as 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.
6. The permittee grants Division Staff permission to enter the property during normal business
hours for the purpose of inspecting all components of the permitted project.
7. 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.
8. Approved plans, application, 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 at all times.
9. 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.
10. 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.
11. 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;
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 updated, modified and reissued this the 9th day of October 2019
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
J-C7 Danny Smith, Director
Division of Energy, Mineral and Land Resources
By Authority of the Environmental Management Commission
Permit Number SW8 140906
Page 4 of 4

State Stormwater Management Systems
Permit No. SW8 140906
Attachment B: Data Summary Tables
Tape 1
SW8140906 - National Guard Readiness Center
Redevelopment Suanmary
Impervious Area. Treated:
125X7
Sand Filter #1:
63,162
Sand Filter #2:
61 5
impervious Re"i ed to Trams':
r=267,530-184038sfjt
86.492
Judy 21, 2017, Impervious Total:
267,530
Pre-1988 Impervious Remaining
121,414
New Impervious
146,116
Pre-1988 Impervious Total:
I 181,038
'per 15A NCAC 02H .1003(3)(d)
Anochm ent B
Table 2
SW8140906 - National Guard Readiness Center
Impervious Area Summary
- u
Inside
Dry Pond DA
Outside Dry
aond DA
Total Project
Area3
Sand
Filter #1
Sand
Filter #2
To Dry Pond,
but not to
Sand Filters
Dry Pond
Totals
Total Project Area/Drainage Aree
67,082
84,936
127,647
279,66S
1,500,022
1,77%687
1.540
L950
2.930
6.420
34.436
40.856
Onske Drainage Area
67,082
94,936
127,647
279,665
1,500,022
1,779,697
Offsit�DrainageArea
0
0
0
0
0
0
Impervious Area Total
63J62
61XS
73,181
199,198
123,782
321,90
Allocated Impervious:
63,162
61XS
18.731
143,748
123,782
267,530
Onsite Buildings
35,719
0
0
35,719
-
35,719
Onsite Streets
0
0
1,578
U79
1,578
Onsite Paddng
27,443
61=
0
89,298
14AM
103,304
Onsite Sidewalks
0
0
1,457
1,45
4,058
5,515
Other Onsite
01
0
0
0
-
-
Offske Drainage Area
0
0
0
0
-
-
Existing BUA
0
0
1S,�i
15,696
105,718
121,414
Future impervious Available Via Permit Modification:
0
01
54AWI
54,450
01
54,4W
'The dry pond treats neater drawing from two sand filters as well as additional area.
2The dry pond has been designed to accommodate an additional 54,450W of impervious that can be permitted in the fugue.
However, smce the dry pord is a secondary SCM the 54,45W will have to also be treated by a primary SCIV3.
'The total property area is 4! .29ac. There are 0.434ac of coastal wetlands, and so the project area is 40.856ac.
'' €he receiving stream is UT to Smith Creek The stream index is 18-74-63. T'ue stream classification is Q SW.
... -.
ft2
ac
fl
ft2
ft2
f
ft2
lt2
ft2
fe
ft2
ft2
fez
ft2
Page 1 of 1

State Stormwater Management Systems
Permit No. SW8 140906
Attachment C - Permitting History
NC National Guard - Wilmington Readiness Center
Permit No. SW8140906
AprToval
Doti.,
Permit Action
BOAS ion
Vers
Descri0on of the Changes
Approved high density development with one
infiltration basin designed to handle the runoff
10/14/2014
Original
1.0
from 148,565 square feet of impervious. The plans
Approval
also included an area outside of the infiltration
basins drainage area that was built prior to 1988
and not subject to State Stormwater regulations.
Circumstances required the original 2014 design to
be reconfigured. This major modification
redeveloped the area previously permitted under
the 2014 permit and redeveloped additional area,
8/1/2017
Major
1.1
but the project area remained the same at 40.856
Modification
ac. This major modification approved two sand
filters for treatment in addition to a dry pond which
does not receive impervious treatment credit, as it
is not a primary SCM, but provides peak flow
detention.
This minor modification added to previously-
10/30/2017
Minor
1.2
approved fencing to fully fence in the property. No
Modification
impact on the previously -permitted impervious area
was made.
This minor modification is within a redevelopment
area and only proposes the reconstruction of an
Redevelopment
existing grassed swale and the installation of a
10/9/2019
Minor
1.3
culvert to restore drainage patters and reduce
Modification
standing water close to the airport. No impact on
the previously -permitted impervious area is
proposed.
Page 1 of 1

DEMLR USE ONLY
Date Repelved Fee Paid Permit Number
® +11 v�Q1J — oq D
Applicable R I ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph lI - Post Construction
(select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan
❑ Other WQ Mgcnt. Plan:
State of North Carolina
Department of Environment and Natural Resources
Division of Energy, Mineral and Land Resources
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an. original
L GENERAL INFORMATION
1. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
NCNG Wilmindpn Act of Nature Re airs
2. Location of Project (street address):
2414 Infantry Road
City:Wilmington County:New Hanover Zip:28405
3. Directions to project (from nearest major intersection):
From the intersection of US 74 (Martin Luther King Yr. Parkway►) and SR 1175 (N Kerr Ave.). travel north on
N. Kerr App. oximately 0.8 miles Turn left onto Control tower road and travel approx 0.14 mile Turn left
onto lnfantry Drive and travel 0.2 miles. Site is on the left
4. Latitude:340 15' 47" N Longitude:770 53' 35" W of the main entrance to the project.
II. PERMIT INFORMATION:
1. a. Specify whether project is (check one): ❑New ®Modification ❑ Renewal w/ Modificationt
tRenewals with modifications also requires SVVU-102 - Renewal Application Form
b.If this application is being submitted as the result of a modification to an existing permit, list the existing
permit numberSW8140906 , its issue date (if known)August 1, 2017 , and the status of
construction: ❑Not Started ®1'artiaIly Completed* ❑ Completed* *provide a designer's certification
Specify the type of project (check one):
®Low Density ❑High Density ❑Drains to an Offsite Stormwater System ❑Other
3. If this application is being submitted as the result of a previously returned application or a letter
DEMLR requesting a state stormwater management permit application, list the stormwater pr
if assigned, n/a and the previous name of the project, if different than curre OCT
proposed, n/a
4. a. Additional Project Requirements (check applicable blanks; information on required state permits e
obtained by contacting the Customer Service Center at 1-877-623-6748): ''
❑CAMA Major
❑NPDES Industrial Stormwater
®Sedimentation/Erosion Control: 4.74 ac of Disturbed Area
❑404/401 Permit: Proposed Impacts
b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number,
issue date and the type of each permit:
5. Is the project located within 5 miles of a public airport? [:]No ®Yes
F�vt
V E
7 2019
Form SWU-101 Version Oct. 31, 2013 Page I of 6

If yes, see S.L. 2012-200, Part VI: http:l/portal,ncdenr.org/web/lrlrulo5-mid-regulations
III. CONTACT INFORMATION
1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee,
designated government official, individual, etc. who owns the projectl:
Applicant/Organization [Yorth Carollna Nat[onal Guard
Signing Official & Title:COL, Rodney D. Newton
b. Contact information for person listed in item la above:
Street Address:1636 Gold Star Drive Suite 2600
City.Raleig_h State:NC Zip:27607
Mailing Address (if applicable).1636 Gold Star Drive
City:Raleigh
Phone: L984 ) 664-6062
Email:[e-mail]
State:NC Zip:27607
Fax: ( 1 n/a
c. Please check the appropriate box. The applicant listed above is:
® The property owner (Skip to Contact Information, item 3a)
❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below)
❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and
2b below)
❑ Developer* (Complete Contact Information, item 2a and 2b below.)
2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the
person who owns the property that the project is located on):
Property Owner/Organization:n/a
Signing Official & Title:
b. Contact information for person listed in item 2a above:
Street Address:
City: State: Zip:
Mailing Address (if applicable):
City: State: Zip:
Phone: ( ) Fax: {
Email:
3. a. (Optional) Print the name and title of another contact such as the projecfs construction supervisor or other
person who can answer questions about the project:
Other Contact Person/Organization:
Signing Official & Title:
b. Contact information for person listed in item 3a above:
Mailing
City: State:
Phone: ( ) Fax:
Email:
4. Local jurisdiction for building permits: New Hanover County
Point of Contact: Phone
Form SWU-101 Version Oct. 31, 2013 Page 2 of 7
OCT o r 2ew

IV. PROJECT INFORMATION
1. In the space provided below, briefly summarize how the stormwater runoff will be treated.
There is no increase in BUA or runoff associated with this modification. Stormwater runoff for this
modification will be treated in a new riper pad. Elsewhere on the site runoff is being treated in Sand filters
ahead of a dry pond.
2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved:
❑ Approval of a Site Specific Development Plan or PUD Approval Date:
[] Valid Building Permit Issued Date:
❑ Other: Date:
b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with:
❑ Coastal SW -1995 ❑ Ph 11- Post Construction
3. Stormwater runoff from this project drains to the Cave Fear River basin.
4. TotaI Property Area: 41.29 acres 5. Total Coastal Wetlands Area: 0.434 acres
6. Total Surface Wafter Area: 0 acres
7. Total Property Area (4) -Total Coastal Wetlands Area (5) -Total Surface Water Area (6) = Total Project Area*:
40.856 acres
Total project area shall be calculated to exclude the following: the normal Pool of iin unded structures, the area
between the banks of streams and rivers, the area below the Normal High rater (N line or Mean Hi$h Water
(MHVO line, and coastal uvtlanrfs landwwrd from the NHW (or MHUV) line. The resultant project area is used to
calculate overall percent built upon area (B LTA). Non -coastal wetiods landward of the NHW (or MHM line may
be included in the total project area.
8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 0 %
9. How many drainage areas does the project have?1 (For high densi, count 1 for each proposed engineered
stormwater BMP. For low density and other projects, use 1 for the who a property area)
10. Complete the following information for each drainage area identified in Project Information item 9. If there
are more than four drainage areas in the project, attach an additional sheet with the information for each area
provided in the same format as below.
OCT ar2019 D
Form SWU-101 Version Oct. 31, 2013 Page 3 of 7

fire fe e- +o 9 - 'I-P,
asin Information
Drainage Area A
Drainage Area _
Drains a Area
Drainage Area
am Name
!!nz
UT to Smith
Creek
Stream Class
QSW
Stream Index NumbR��d
18-74-63
Total Drainage Area
1,779,687
On -site Drains Area (sf)
1,779,687
Off -site Drainage Area s
Proposed Impervious Area** s
0
% Impervious Area** total
0%
Impervious*" Surface Area
Drainage Are _Drains
Area _
Drainage Area _
Drainage Area
On -site Buildings/Lots (so
0
On -site Streets (sf)
0
On -site Parking (sf)
0
On site Sidewalks (so
0
Other on -site (sf)
0
Future (sf)
0
Off -site (s
0
Existin. 'BUA*** (sf)
0
Total (sf):
0
arream Class and index Num r can be aeterminea at: lttilr/Ji ortcrl.tici-kttt:rn curb icy► Is 1:*tr Baas !'a!%DitS
" Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
Report only that amount of existing BUA that will remain after development. Do not report any existing BUA that
is to be removed and which will be replaced by new B UA.
11. How was the off -site impervious area listed above determined? Provide documentation. N/A
Protects in Union County: Contact DEMLR Central Office staff to check if the project is located within a Threatened &
Endangered Species watershed that may be subject to more stringent stormwater requirements as per 15A NCAC 02B .0600.
V. SUPPLEMENT AND O&M FORMS
The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms
must be submitted for each BMP specified for this project. The latest versions of the forms can be� � �
fromhtt jQorini,ncrisanr.+ira�°bjwa/ws/su/bmp-manual.
VI. SUBMITTAL REQUIREMENTS n OCT 0 7 2019
Only complete application packages will be accepted and reviewed by the Division of Energy, eral and
Land Resources (DEMLR). A complete package includes all of the items listed below. A detail �
instruction sheet and BMP checklists are available from
http:/./uortal.ncdenr.org web/wq/.ws/su/statesw/forms does. The complete application package should be
submitted to the appropriate DEMLR Office. (The appropriate office maybe found by locating project on the
interactive online map at h tp://portal.nedenr.org/*wL-b/wo/,,ts/su/maps.)
Please indicate that the following required information have been provided by initialing in the space provided
for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions
for each submitted application package from http://portaLnedenr.ore/web/wo/ws/su/statesw/forms- docs.
1. Original and one copy of the Stormwater Management Permit Application Form.
2. Original and one copy of the signed and notarized Deed Restrictions & Protectivi
Form. (%f required as per Part V11 below)
3. Original of the applicable Supplement Form(s) (sealed, signed and date 11 and O&M
agreement(s) for each BMP.
4. Permit application poccss-i% fee of $505 payable to NCDENR. (For an Express review, refer to
http://www.emtelg.org/pages/onesWexpress.htmi for information on the Express program
l✓IA - �.
nti:nof
M oofiflcafiatti
Form SWU-101 Version Oct. 31, 2013 Page 4 of 7

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and the associated fees. Contact the appropriate regional office Express Permit Coordinator for
additional information and to schedule the required application meeting.)
5. A detailed narrative (one to two pages) describing the stormwater treatment/management for
6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the
receiving stream drains to class SA waters within Y2 mile of the site boundary, include the Y2
mile radius on the map.
7. Sealed., signed and dated calculations? (one copy)._
8. Two sets of plans folded to &V x 14" (sealed, signed, & dated), including: _
a. Development/Project name.
b. Engineer and firm.
c. Location map with named streets and NCSR numbers.
d. Legend.
e. North arrow.
E Scale.
g. Revision number and dates.
h. Identify all surface waters on the plans by delineating the normal pool elevation of
impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal
waters, and any coastal wetlands landward of the MHW or NHW lines.
o Delineate the vegetated buffer landward from the normal pool elevation of impounded
structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters.
i. Dimensioned property/project boundary with bearings & distances.
j. Site Layout with all BUA identified and dimensioned.
k. Existing contours, proposed contours, spot elevations, finished floor elevations.
1. Details of roads, drainage features, collection systems, and stormwater control measures.
m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a
qualified person. Provide documentation of qualifications and identify the person who
made the determination on the plans.
n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations.
o. Drainage areas delineated (included in the main set of plans, not as a separate document).
p. Vegetated buffers (where required).
9.
10. A copy of the most current property deed. Deed book: Q t S 6 Page No: 0 0 2. 0
11. For corporations and limited liability corporations (LLC): Provide documentation from the NC
Secretary of State or other official documentation, which supports the titles and positions held
by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e).
The corporation or LLC must be listed as an active corporation in good standing with the NC
Secretary of State, otherwise the application will be returned.
h f/ /www.segm!W.state.nc.us/Corporations/CSearch.ppx
VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
Copy. of any applicable soils report with the associated SHWT elevations (Please identify _
elevations in addition to depths) as well as. a map of the boring locations with the existing
elevations and boring logs. Include an 8.5"41" copq of the NRCS County Soils map with the
project area clearly delineated. For projects wish infiltration BMPs, the report should also
include the soil type, expected infiltration rate, and the method of determining the infiltration rate.
(Infiltration Devices submitted to WiRO: Schedute a site visit for DEMLR to verify -the SHWT prior
to submittal, f910j 79ti-7378.) ^ �,
`- A11A -IL
-7 L
For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective
covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed
BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be
provided as an attachment to the completed and notarized deed. restriction form. The appropriate deed
restrictions and protective covenants forms can be downloaded from httttp://portal.ncdenr.orWw! t Bk!t fate
stormwater--forms .does, Download the latest versions for each submittal.
In the instances where the applicant is different than the property owner, it is the responsibility of the property
owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring
that the deed restrictions are recorded.
By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and
protective covenants for this project, if required, shall include all the items required in the permit and listed
on the forms available on the website, that the covenants will be binding on all parties and persons claiming
under them, that they will run with the land, that the required covenants cannot be changer
Ileted
without concurrence from the NC DEMLR, and that they will be recorded prior to the sale
CT 0 7 206
Form SWU-101 Version Oct. 31, 2013 Page 5 of 7
bV.

VIQ. CONSULTANT INFORMATION AND AUTHORIZATION
Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a
consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as
addressing requests for additional information).
Consulting Engineer:Francis Slinky, PE
Consulting Firm: Tim m.9m Gr4110
Mailing Address:5410 ninft Road Suite 102
City:Raleigh
Phone: L919 ) 8664505
Email:frank.slinsk timmons.com
State:NC Zip:27607
Fax: (919 ) 859-5663
IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this
section)
I, (print or type name of person listed in Contact Information, item 2a) certify that I
own the property identified in this permit application, and thus give permission to (print or type name of person
listed in Contact Information, item 1a) with (print or type name of organization listed in
Contact Information, item la) to develop the project as currently proposed. A copy of
the lease agreement or pending property sales contract has been provided with the submittal, which indicates the
party responsible for the operation and maintenance of the stormwater system.
As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated
agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their
lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back
to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and
submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater
treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility
without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement
action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6.
Signature: Date:
a Notary Public for the State of . County of
do hereby certify that
personally appeared
before me this ____ day of , and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal,
SEAL
My commission expires
REcErvE
OCT o � ems p
Form SWU-101 Version Oct. 31, 2013 Page 6 of 7

X. APPLICANT'S CERTIFICATION
L (print or type name of person listed in Contact Information, item Ya) tify -to � Z �� w f p w
certhat the information included on this permit application forth is, .the beft of my knowledge, correct and
that cite pEecovngn
ct will be corasttvcbed in conformance with the approved plans, that the required deed restrictions
and protets willbeapplicablrmwar rules under 15A NCAC 2H .10QQ and atty outer applicable state sturtnwater requizements.
Signature: �v//� �• Plate: Z 0
I, A »i Cl .- a.ov i a Notary Public for the State of Cw+ 1i ,ts.County of
Lj L Ke _, do hereby certify that RC!dkt %b . K"tW ,- personally appeared
before me this _day of . (ac"6t'.l" 1011 J, and acknowledge the ue n of the application for
a stormwater permit. Witness my hand and official seal,
Notary Public
Wake
County -_
My Comm. Exp. _
yQ 01-29-2023 �Q\
CO
'00�
SEAL
My commission expires_ Q L / 2 ( /; O;z :5_
OCT
ocr o r 20189 D
Form SWU-101 Version Oct. 31, 2013 Page 7 of 7

®peration & Maintenance Agreement
Project Name:
Project Location:
National Guard Readiness Center
Wilmington, NC
Cover Page
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known set
location. Any deficient BMP elements noted in the inspection will be corrected, repaired, or rep!aced These
deficiencies can affect the integrity of structures, safety of the public, and the pollutant removal efficiency of the BMP(s).
The BMP(s) on this project include (check all that apply & correspc
Bioretention Cell
Quantity:
Dry Detention Basin
Quantity:
1
Grassed Swale
Quantity:
Green Roof
Quantity:
Infiltration Basin
Quantity:
Infiltration Trench
Quantity:
Level Spreader/VFS
Quantity:
Permeable Pavement
Quantity:
Proprietary System
Quantity:
Rainwater Harvesting
Quantity:
Sand Filter
Quantity:
2
Stormwater Wetland
Quantity:
Wet Detention Basin
Quantity:
0
Disconnected Impervious Area
Present:
No
User Defined BMP
Present:1
No
O&M tables will be added automatically):
Location(s):
Location(s): South of Readiness Center Building
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s): MOV lot & behind Readiness Center
Location(s):
Location(s):
Location(s):
Location(s):
acknowiedge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed
for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any
changes to the system or responsible party.
Signature:
* Responsible Party:
Title & Organization:
Street address:
City, state, zip:
Phone number(s):
Email:
Rodney Newton, NC National Guard
Lieutenant Colonel, CFMO
1636 Gold Star Drive, Suite 2600
Raleigh, NC 27607
919.664.6062
rodne .d.newton.mil mail.mil
r .4+ ,�S , a Notary Public for the State of
Date:
or%'�. C�tCol:wL�
County of LIMA,,, R ArIO t r , do hearby certify that L44v D� A(etj+._ _
personally appeared before me this l l{•l` day of mac.,,!`, 201-7 and
acknowledge the due execution of the Operations and Maintenance Agreement.
Witness my hand and official seal,
Version 1.4
EC EIVE
JUL 1 1 2017
2 BY:
My commission expires �Y� 7� 7/10/2017
O&M Manual Page 41 of 6

STORM-EZ
Version 1.4
ECEIVE
JUL 112017
BY.
O&M Manual
7/10/2017
Page 2of.S

Dry Detention Pond Maintenance Requirement
Important maintenance procedures:
- The drainage area will be managed to reduce the sediment load to the dry extended detention basin.
Immediately after the dry extended detention basin is established, the vegetation will be watered twice weekly if needed
until the plants become established (commonly six weeks).
- No portion of the dry extended detention pond will be fertilized after the first initial fertilization that is required to establish
the vegetation.
- The vegetation in and around the basin will be maintained at a height of approximately six inches.
- If cracks, seepage, or woody vegetation is present, consult a dam safety expert for a dam inspection.
The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
After the dry detention basin is established, it will be inspected quarterly. Inspection activities shall be performed as follows and
any problems identified will be remediated immediately per the table below.
BMP element:
Potential problem:
How to remediate the problem:
The entire BMP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the BMP
Areas of bare soil and/or
Regrade the soil if necessary to remove the gully, and then plant a
erosive gullies have formed.
ground cover and water until it is established. Provide lime and a one-
time fertilizer application.
Vegetation is too short or too
Maintain vegetation at a height of approximately six inches.
long.
The inlet device
The pipe is clogged.
Unclog the pipe. Dispose of the sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged.
Erosion is occurring in the
Regrade the swale if necessary to smooth it over and provide erosion
swale.
control devices such as reinforced turf matting or riprap to avoid future
problems with erosion.
Stone verge is clogged or
Remove sediment and replace with clean stone.
covered in sediment (if
applicable).
The forebay
Trash/debris is present.
Remove the trash/debris.
Erosion has occurred or
riprap is displaced.
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 pesticides are used, wipe
them on the plants rather than spraying.
ECEIVE
JUL f 1 2017
BY:
STORM-EZ 7/10/2017
Version 1.4 O&M Manual Page 3 of 6

Dry Detention Pond Maintenance Requirements (continued)
BMP element:
Potential problem:
How to remediate the problem:
The main treatment area
Sediment has accumulated
Search for the source of the sediment and remedy the problem if
and reduced the depth to 75%
possible. Remove the sediment and dispose of it in a location where it
of the original design depth
will not cause impacts to streams or the BMP. Revegetate disturbed
(per pond design data sheet)
areas immediately with sod (preferred) or seed protected with securely
staked erosion mat.
Water is standing more than
ICheck outlet structure for clogging. If it is a design issue, consult an
5 days after a storm event.
appropriate professional.
Weeds and noxious plants
Remove the plants by hand or by wiping them with pesticide (do not
are growing in the main
spray).
treatment area.
The embankment
Shrubs or trees have started
Remove shrubs or trees immediately.
to grow on the embankment.
Grass cover is unhealthy or
Restore the health of the grass cover — consult a professional if
eroding.
necessary.
Signs of seepage on the
Consult a professional.
downstream face.
Evidence of muskrat or
Use traps to remove muskrats and consult a professional to remove
beaver activity is present.
beavers.
An annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repair.
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device.
The receiving water
Erosion or other signs of
Contact the local NC Department of Environment and Natural
damage have occurred at the
Resources Regional Office.
outlet.
-l"EIVE
JUL 1 1 Z017
BY:
STORM-EZ 7/10/2017
Version 1.4 O&M Manual Page 4 of 6

Dry Detention Pond Desigq Summary
DRY POND ID FOREBAY MAIN POND
D Pond #1 Temporary Pool El: 9.25 Temporary Pool El: 9.25
Clean Out Depth: 0 Clean Out Depth: 0
Pretreatment Yes Sediment Storage EI: 9.25 Sediment Storage El: 9.25
Has Vag. Filter No Bottom Elevation: 7.5 Bottom Elevation: 7.5
ECEIVE
JUL112017
BY:
STORM-EZ 7/10/2017
Version 1.4 O&M Manual Page 5 of 6

Sand Filter Maintenance Requirements
Important m 'ntenance procedures:
- The inage 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 shall 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 element:
Potential problem:
How to remediate the problem:
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 possible.
applicable)
pavement surface.
Perimeter of sand filter
Areas of bare soil and/or
erosive gullies have formed.
Regrade the soil if necessary to remove the 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
Maintain vegetation at an appropriate height.
long.
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.
The inlet device
The pipe is clogged.
Unclog the pipe. Dispose of the sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged.
Erosion is occurring in the
swale.
Regrade the swale if necessary to smooth it over and provide erosion
control devices such as reinforced turf matting or riprap to avoid future
problems with erosion.
Stone verge is clogged or
Remove sediment and replace with clean stone.
covered in sediment (if
applicable).
Forebay or pretreatment
Sediment has accumulated to
Search for the source of the sediment and remedy the problem if
area
a depth of greater than six
possible. Remove the sediment and stabilize or dispose of it in a
inches.
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.
Filter bed and underdrain
collection system
Water is ponding on the
surface for more than 24
Check to see if the collector system is clogged and flush if necessary.
If water still ponds, remove the top few inches of filter bed media and
hours after a storm.
replace. If water still ponds, then consult an expert.
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device. fEirc� p t
The receiving water
Erosion or other signs of
damage have occurred at the
Contact the local NC Depa nntt of Environment an atural
Resources Regional Office.
l,
outlet
Kt
STORM-EZ 7/10/2017
Version 1.4 O&M Manual Page 6 of 6

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TE 13031
State Stormwater Management Systems
Permit No. SW8 140906
Wilmington Readiness Center Renovation North Carolina National Guard
Stormwater Project No. SW8 140906
New Hanover County
Engineer's Certification
ECE#VE
APR 2 8 20
BY:
1, Phillip G. Triop , as a duly registered Professional Engineer in the
State of North Carolina, having been authorized to observe (periodicallylweekly/full
time) the construction of the project,
Wilmington Readiness Center Renovation North Carolina National Guard
(Project)
for State of North Carolina through the NC Dept of Public Safe, NC National Guard
(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 specifications:
Signature
Registration plumber 17374
Date 4 • Z%` Ito
SEAL
X MCA&
SEAL.
-o 17374
IX
:

State Stormwater Management Systems
Permit No. SW8 140906
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.
7 3. All the built -upon area associated with the project is graded such that the
runoff drains to the system.
4. All roof drains are located such that the runoff is directed into the system.
db. The bypass structure weir elevation is per the approved plan.
*-6.
The bypass structure is located per the approved plans.
A�7. Trash rack is provided on the bypass structure.
8. All slopes are grassed with permanent vegetation.
d
ALg. Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause short-
circuiting of the system.
11. The permitted amounts of surface area and/or volume have been
provided.
LM
12. All required design depths are provided.
LK
13. All required parts of the system are provided.
14. The required system dimensions are provided per the approved plans.
ECEIVE
APR 2 8 20%
BY:

Job No. 13031
Date: 04/26J1C
TRIPP ENGINEERING, P.C.
419 Chestnut Street, Wilmington, NC 28401
Phone: [phone] e FAX: [phone]
Email: [e-mail]
LETTER OF TRANSMITTAL
To: NCDENR
Attention: Linda Lewis
Subject: Wilmington Readiness Center Renovation North Carolina National Guard
FAX TRANSMITTAL: NUMBER OF PAGES INCLUDES COVER
I am sending you: ( X ) ATTACHED ( ) UNDER SEPARATE COVER
( ) Prints ( ) Tracings ( ) Copy of letter ( ) Specifications ( X ) Other
Copies Item No Description
1 Engineer's Certification for SW8 140906 -
These are transmitted as checked below:
( ) For Approval ( X ) For Your Use ( ) Sign & Return
Remarks:
cc:
BY:
( ) Review
Signed: Phil Tripp
APR 18 2016