SW8140416_HISTORICAL FILE_20160715 (2)

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 I4 0 4 6
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
? 016 07 1 S
YYYYMMDD

Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
July 15, 2016
Mr. Michael Pollak, Manager
Signaturc Top Sail NC, Ltd. LP
& Signature Top Sail GP, LLC
9337 B Katy Freeway #377
Houston, TX 77024
PAT McCRORY
Governer
DONALD R. VAN DER VAART
Secretary
TRACY DAVIS
Director
Subject: State Stormwater Management Permit No. SW8 140416 Modification
Wyndwater Phase 2
Iligh Density Subdivision Wet Detention Pond Project
Pender County
Dear Mr. Pollak:
The Wilmington Regional Office received a complete, modified State Stormwater Management Permit
Application for Wyndwater Phase 2 on June 28, 2016. 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 and Session Law 2008-211. We are forwarding modified Permit No. SW8 140416
dated July 15, 2016, for the construction, operation and maintenance of the BMP's and built -upon area
associated with the subject project.
This permit shall be effective from the date of issuance until July 3, 2022, and shall be 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,
certification of the BMP's, procedures for changing 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 certify the BN P's, to transfer the permit, or to renew
the permit, will result in future compliance problems.
The following modifications are included and covered by this permit:
I. Overall impervious area and drainage area has increased.
2. Total number of lots has increased from 54 to 61.
3. Pond 1 has increased in volume.
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.NCOAH.com. Unless such demands are made this permit shall be final and binding.
State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources
Wilmington Regional Office 1127 Cardinal Drive Extension I Wilmington. NC 28405
910 796 7215

State Stormwater Permit No. S W8 140416 MOD
Page 2 of 2
If you have any questions, or need additional information, please contact Steve Pusey in the Wilmington
Regional Office, at [phone].
Sincerely,
Tracy avisLf , P.E., Director
Division of Energy, Mineral and Land Resources
GDS/sgp: \\\Stormwater\Permits & Projects\2014\140416 HD\2016 07 permit 140416
cc: Jennifer Pollak Evans, Registered Agent, Signature Top Sail NC, Ltd.
4307 Peeble Drive, Wilmington, NC 28412
Garry S. Pape, PE— GSP Consulting, PLLC
Fender County Inspections
Division of Coastal Management
Wilmington Regional Office Stormwater File
State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources
Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington, NC 28405
910 796 7215

State Stormwater Management Systems
Permit No. SW8 140416 MOD
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY SUBDIVISION 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
Signature Top Sail NC Ltd. LP
Wyndwater Phase 2
Sloop Point Road, Hampstead, Pender County
FOR THE
construction, operation and maintenance of one (1) wet detention pond in compliance with
the provisions of 15A NCAC 2H .1000 and Session Law 2008-211 (hereafter referred to as
the "stormwater rules') 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 (hereafter referred to as the Division or DEMLR) and
considered a part of this permit.
This permit shall be effective from the date of issuance until July 3, 2022 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.
The subdivision is permitted for 61 lots, each limited to a maximum amount of built -
upon area as indicated in Section 11.4 (f) of this permit.
3. This stormwater system has been approved for the management of stormwater runoff
as described in Section 1.8 of this permit. The runoff from all built -upon area within the
permitted drainage area(s) of this project must be directed into the permitted
stormwater control measure(s). The stormwater control measure has been designed to
handle the runoff from 407,335 square feet of impervious area.
4. The maximum built -upon area allowed for the entire subdivision is 407,335 square
feet.
5. The drainage area will be limited to the amount of built -upon area indicated in Sections
1.3 and 1.8 of this permit, and per approved plans. The built -upon area for the future
development is limited to 60,300 square feet, which is included in the total amount
listed above.
Page 1 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
6. A 50' wide vegetative buffer must be provided and maintained adjacent surface
waters, measured horizontally from and perpendicular to the normal pool of
impounded structures, the top of bank of both sides of streams and rivers and the
mean high water line of tidal waters.
7. All runoff being directed into wetlands shall flow into and through those wetlands at a
non -erosive velocity.
8. The following design criteria have been permitted for the wet detention pond and it
must be provided and maintained at the design condition.
Pond 1
a.
Drainage Area, acres:
Onsite, ftz:
Offsite, ft2:
24.01
1.046,055
0
b.
Total Impervious Surfaces, ftz:
Onsite, ftz:
Offsite, ftz:
407,335
0
c.
Average Pond Design Depth, feet:
4.5
d.
TSS Removal Efficiency:
90%
e.
Design Storm, inches:
1.5
f.
Permanent Pool PP Elevation, FMSL:
20.5
g.
Permitted PP Surface Area, ft :
33,673
h.
Temporary Storage Elevation, FMSL:
21.84
i.
Permitted Storage Volume, ft3:
52,492
j.
Predevelopment 1 yr-24 hr. discharge rate, cfs:
0.95
k.
Controlling Orifice, inch 0 pipe:
4.0
I.
Orifice Flow Rate, cfs:
0.28
m.
PP Volume, ft3:
138,674
n.
Forebay Volume, ft3:
29.015
o.
Maximum Fountain Horsepower:
1/2
p.
Receiving Stream/River Basin:
Mullet Run / Cape Fear
9.
Stream Index Number:
18-87-9-1
r.
Classification of Water Body:
SA; HWQ over''/2 mile
II. SCHEDULE OF COMPLIANCE
No person or entity, including the permittee, shall alter any component of the approved
stormwater system shown on the approved plans unless and until the Division has
approved of the revised plan.
The stormwater management system shall be constructed in its entirety, vegetated
and operational for its intended use prior to the construction of any built -upon surface.
During construction, erosion shall be kept to a minimum and any eroded areas of the
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.
Prior to the sale of any lot, the following deed restrictions must be recorded:
a. The following covenants are intended to ensure ongoing compliance with State
Stormwater Management Permit Number SW8 140416, as issued by the
Division of Energy, Mineral and Land Resources under NCAC 2H.1000.
b. The State of North Carolina is made a beneficiary of these covenants to the
extent necessary to maintain compliance with the Stormwater Management
Permit.
Page 2 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
C. These covenants are to run with the land and be binding on all persons and
parties claiming under them.
d. The covenants pertaining to stormwater may not be altered or rescinded without
the express written consent of the Division.
e. Alteration of the drainage as shown on the approved plans may not take place
without the concurrence of the Division.
f. The maximum built -upon area per lot is as shown in the table below:
Lot
BUA
(sf)
Lot
BUA
(sf)
44
4500
75
4500
45
4500
76
4500
46
4500
77
4500
47
4500
78
4500
48
4500
79
4500
49
4500
80
4500
50
4500
81
4500
51
4500
82
4500
52
4500
83
4500
53
4500
84
4500
54
4500
85
3738
55
4500
86
3628
56
4500
87
3628
57
4500
88
3628
58
4500
89
3628
59
4500
90
3628
60
4500
91
3628
61
4500
92
4043
62
4500
93
3665
63
4500
94
3987
64
4500
95
3688
65
4500
96
3688
66
4500
97
3911
67
4500
98
3625
68
4500
99
3625
69
4500
100
3625
70
4500
101
3625
71
4500
102
3625
72
4500
103
3625
73
4500
104
3698
74
4500
Pond 1: Total BUA 258,436 sf
This allotted amount includes any built -upon area constructed within the lot
property boundaries, and that portion of the right-of-way between the front lot
line and the edge of the pavement. Built upon area includes, but is not limited
to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking
areas, but does not include raised, open wood decking, or the water surface of
swimming pools.
Page 3 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
g. For those lots within CAMA's Area of Environmental Concern, where DCM
calculates a different maximum lot built -upon area, the governing lot BUA shall
be the more restrictive of the two numbers.
h. All runoff from the built -upon areas on the lot must drain into the permitted
system. This may be accomplished through providing roof drain gutters, which
drain to the pond or street, grading the lot to drain toward the street or directly
into the pond, or grading perimeter swales and directing them into the pond or
street.
i. Built -upon area in excess of the permitted amount will require a permit
modification.
j. All affected lots shall maintain a 50' wide vegetative buffer adjacent to surface
waters, measured horizontally from and perpendicular to the normal pool of
impounded structures, the top of bank of each side of streams and rivers and
the mean high water line of tidal waters.
k. 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 G.S. 143, Article 21.
5. A copy of the recorded deed restrictions must be submitted to the Division within 30
days of the date of recording the plat, and prior to selling lots. The recorded copy must
contain all of the statements above, the signature of the Permittee, the deed book
number and page, and the stamp/signature of the Register of Deeds.
6. If permeable pavement BUA credit is desired, the permittee must submit a request to
modify this permit to incorporate such language as required by the Division. The
request to modify must include a proposed amendment to the deed restrictions and
protective covenants for the subdivision, and a soils report identifying the type of soil,
the Seasonal High Water Table elevation and the infiltration rate. Upon the successful
completion of a permit modification, the individual lot owners that request to utilize
permeable pavements shall submit the necessary forms and documentation to the
permittee, or a designated agent, and receive approval prior to construction of the
permeable pavement.
The permittee shall review all lot plans for new construction and any subsequent
modifications and additions, for compliance with the conditions of this permit. The
permittee shall not approve any lot plans where the maximum allowed built -upon area
has been exceeded, or where revisions to the grading or to the storm drainage system
are proposed unless and until a permit modification has been approved by the
Division.
8. The permittee is responsible for the routine monitoring of the project for compliance
with the built -upon area limits, grading, and the storm drainage system established by
this permit, the permit documents, the approved plans, and the recorded deed
restrictions. The permittee shall notify any lot owner that is found to be in
noncompliance with the conditions of this permit in writing, and shall require timely
resolution.
9. The permittee shall at all times provide the operation and maintenance necessary to
assure that all components of the permitted stormwater system function at 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.
10. 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.
Page 4 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
11. If the permanent pool volume is greater than 30,000 cubic feet, a decorative spray
fountain will be allowed in the stormwater treatment system, subject to the following
criteria:
a. The fountain must draw its water from less than 2' below the permanent pool
surface.
b. Separated units, where the nozzle, pump and intake are connected by tubing,
may be used only if they draw water from the surface in the deepest part of the
pond.
C. The falling water from the fountain must be centered in the pond, away from the
shoreline.
d. The maximum horsepower for the fountain's pump is based on the permanent
pool volume. The maximum pump power for a fountain in this pond is 1/2 hp.
12. The facilities shall be constructed in accordance with the conditions of this permit, the
approved plans and specifications, and other supporting data.
13. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and
prior to operation of this permitted facility, the permittee shall cause a certification from
an appropriate designer for the system installed to be submitted, 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.
14. All stormwater collection and treatment systems must be located in either public rights -
of -way, dedicated common areas or recorded easements. The final plats for the
project will be recorded showing all such rights -of -way, common areas and
easements, in accordance with the approved plans. Access to the stormwater
facilities for inspection and maintenance shall be maintained via appropriate recorded
easements at all times.
15. The permittee shall submit to the Director and shall have received approval for revised
plans, specifications, and calculations prior to construction, for any modification to the
approved plans, including, but not limited to, those listed below:
a. Any revision to any item shown on the approved plans, including the stormwater
management 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. The project area is defined as all property owned by the
permittee, for which Sedimentation and Erosion Control Plan approval or a
CAMA Major permit was sought.
d. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
e. The construction of any future BUA listed on the application.
16. Prior to transfer of the permit, the stormwater facilities will be inspected by Division
personnel. The project and the stormwater facility must be in substantial compliance
with all permit conditions. Any items not in substantial compliance must be repaired,
replaced or restored to design condition prior to the transfer. Records of maintenance
activities performed to date will be required.
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.
Page 5 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
Ill. GENERAL CONDITIONS
1. Any individual or entity found to be in noncompliance with the provisions of a
stormwater management permit or 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 any
and all statutes, rules, regulations, or ordinances, which may be imposed by other
government agencies (local, state, and federal) having jurisdiction.
3. In the event that the facilities fail to perform satisfactorily 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.
Additional or replacement stormwater management systems 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
Name/Ownership Change Form, accompanied by the supporting documentation as
listed on the form, to the Division of Energy, Mineral and Land Resources at least 60
days prior to any one or more of the following events:
a. An ownership change including 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;
b. The sale or conveyance of the common areas to a Homeowner's or Property
Owner's Association, subject to the requirements of Session Law 2011-256;
C. Bankruptcy;
d. Foreclosure, subject to the requirements of Session Law 2013-121;
e. Dissolution of the partnership or corporate entity, subject to NCGS 57D-2-01(e)
and NCGS 57D-6-07;
f. A name change of the current permittee;
g. A name change of the project;
h. A mailing address change of the permittee;
5. The permittee is responsible for compliance with all permit 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 stormwater permit.
6. The permittee grants DEMLR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
7. The permit issued shall continue in force and effect until modified, revoked, terminated
or renewed. The permit may be modified, revoked and reissued or terminated for
cause. The filing of a request for a permit modification, revocation and re -issuance or
termination does not stay any permit condition.
8. Approved plans, calculations, supplement forms, operation and maintenance
agreements and specifications for this project are incorporated by reference and are
enforceable parts of the permit. A copy of the approved plans and specifications shall
be maintained on file by the Permittee at all times.
9. Unless specified elsewhere, permanent seeding requirements for the stormwater
control measure must follow the guidelines established in the North Carolina Erosion
and Sediment Control Planning and Design Manual.
Page 6 of 9

State Stormwater Management Systems
Permit No. SW8 140416 MOD
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 as
allowed by the laws, rules and regulations contained in Session Law 2006-246, Title
15A NCAC 2H.1000, and NCGS 143-215.1 et.al.
11. The permittee shall submit a permit renewal application request 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.
Permit modified and reissued this the 15th day of July, 2016.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
,�, i racy ugvis, r.c., uirector
Division of Energy, Mineral and Land Resources
By Authority of the Environmental Management Commission
Permit Number SW8 140416
Page 7 of 9

7/152016
Corporations Division
n'
Click Here To:
View Document Filings
Corporate Names
North Carolina
Elaine F. Marshall DEPARTMENT OFTHE
Secretary SECRETARY OF STATE
PO Box 29622 Raleigh, NC 27626-0622 [phone]
Home State: Signature Top Sail NC Ltd
Legal: Signature Top Sail NC, Ltd. LP
Limited Partnerships Information
Sosld:
Status:
Annual Report Status:
Citizenship:
Date Formed:
State oflncorporadon:
Registered Agent:
Corporate Addresses
1355606
Current -Active
Foreign
12/9/2013
TX
Evans, Jennifer Pollak
Principal Office: 4307 Peeble Or
Wilmington, NC 28412
Reg Office: 4307 Peeble Or
Wilmington, NC 28412
Reg Mailing: 4307 Peeble Or
Wilmington, NC 28412
Mailing: 9337 B Katy Freeway 377
Houston, TX 77024
Account
Login
Register
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NORTH CAROLINA
Department of The Secretary of State
CERTIFICATE OF FOREIGN LIMITED PARTNERSHIP
i
I, ELAINE F. MARSHALL, Secretary of State of the State of North Carolina, do
hereby certify that
Signature Top Sail NC Ltd
DBA
Signature Top Sall NC, Ltd. LP
a limited partnership organized under the laws of Texas, having filed on this date an
application conforming to the requirements of the General Statutes of North Carolina, a copy
of which is hereto attached, is hereby granted authority to transact business in the State of
North Carolina.
IN WITNESS WHEREOF, I have hereunto
set my hand and affixed my official seal at the
City of Raleigh, this 9th day of January, 2014
Secretary of State
oowmemia c201336400123

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Date Filed: 1/9/2014 9:36;00 AM
Elaine F. Marshall
North Carolina Secretary of State
C2013 364 00123
State of North Carolina
Department of the Secretary of State
APPLICATION FOR REGISTRATION
AS A FOREIGN LIMITED PARTNERSHIP
Pursuant to §59.902 of the General Statutes of North Carolina, the undersigned hereby submits this application
for Registration as a Foreign Limited Partnership for the purpose of obtaining a Certificate of Authority to
transact business in this State.
1. The name of the foreign limited partnership is: A%w a& %o i ie! NCy LAO( _
2. If the name of the foreign limited partnership Is unavailable for use in the State of North Carolina, the name the
limited partnership wishes to use is: Signature Ton Sail NC Ltd. LP
(The name must contain the words "Limited Partnership," or the abbreviation "L.P." or "LP," or the combination
"Ltd. Partnership".)
3: The Jurisdiction in which the IimiteQ'p ip was formed is re.V"
and the darn of formation was M OL AJ The limited partnership's period of duration is
Ot�L�iQ�
4. The street address of the principal office is:
Number and Street: yd07 Recb)e Dr
City: W� 7 State: Ak. ZlpCode*I'NiA County: N►✓lkwcvt!
The mailing address, tftiilfferent jrom the sired address, of the principal office:
Telephone: 71J •.0075"6Z3'Z. _
NumberandStreet: 9,y37e&*&agV 0J77 _
City: AU4161 State: 7r Zip Code: 770,,'f County:
5. NemeofRegisteredAgcnt: Jer),?;4I ReIA%k &-an3 .
6. Address of Registered Agent's Office:
Number and Street:
City: ../t/f (rho Y61 State: NC Zip Code:
The mailing address, ((dUereni jrom the street address, of the registered office:
Number and
City: State: NC Zip Code: County:
Nam:
Plana fee to M This duammt omit be Ned with the Suntory of Sto%
../`tw/ArID✓C"', —
CORPORATIONS DIVISION P.O.BOX 29622 RALEIGH, NC 27626.06222
(Revised August, 2013) Page I Form LP-04

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7. In consideration of the issuance of a Certificate of Authority to transact business in North Carolina, the limited
partnership appoints the Secretary of State of North Carolina as the agent to receive service of process, notice or
demand, whenever the foreign limited partnership fails to appoint or maintain a registered agent in this State, or
whenever such registered agent cannot with reasonable diligence be found at the registered office.
8. (Optional): Please provide a business e-mail address: Privacy Redaction
The Secretary of State's Office will e-mail the bus ••�
document Is filed. The e-mail provided will not be viewable on the website. For more information on why this
service is being offered, please see the instructions for this document.
9. Enter the name and address of each general partner; (attach additional sheets If necessary)
Name ,dork fund LLC
jwr'11101, W�Jplj Ml
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Nana;
City
State/zip
10. Limited Partners (select 1 or 2, as appropriate)
❑ Attached is a list of the names and addresses of all limited partners (include full name/street
address/city/state/zip code/rounty); or
The location of the office where list of the names and addresses of the limited partners and their capital
contributions will kept be as long as the limited partnership transacts business in North Carolina is
Number and Street: X?0-7 Pt-chle &4..
City: /yf -kin_ State: NC Zip Code:
%t8VIZ- County: 4o✓f-"
11. (Select one)
❑ The foreign limited partnership Is a foreign limited liability limited partnership.
3'Me foreign limited partnership is not a foreign limited liability limited partnership. !
12. This registration will be effective upon filing, unless a future date and/or time is specified ,. _
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Typed or pftted name
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Mass fee Is$a0. This dMenral matt be madwrth the Seerehry OfSteis.
CORPORATIONS DIVISION P.O.BOX 29622 ' RALEIGH, NC 27626.06222
(Revised August, 2013) Page 2 Form LP-04

GSP CONSULTING
LETTER OFTP'.HNSNIITTL
6626 Gordon Road, Unit C
WILMINGTON, NORTH CAROLINA, 28411
[phone]
FAX [phone]
TO: Steve Pusey
NC Division of Water Quality
127 Cardinal Drive Ext.
Wilmington, NC 28405
WE ARE SENDING YOU
❑ Fee Check
❑ Copy of Letter
DATE 06/2 /16
JOB NO. 201 -0002
ATTENTION ATTENTION
PHONE#
RE: W ndwater — Phase 2
SW81 0 16 (Modification)
❑ Attached ❑ Under separate cover via
❑ Permit Applications ® Plans ❑ Calculations
❑ Change order ❑ Diskette ❑
COPIES DESCRIPTION
2 Revised Sheets C-5 & c-9
THESE ARE TRANSMITTED as checked below:
the following items:
❑ Specifications
® For approval ❑ Approved as submitted ❑ Resubmit copies for approval
❑ For your use ❑ Approved as noted ❑ Submit copies for distribution
❑ As requested ❑ Returned for corrections ❑ Return corrected prints
❑ For review and comment ❑ _
❑ FOR BIDS DUE ❑ PRINTS RETURNED AFTER LOAN TO US
REMARKS:
If enclosures are not as noted, kindly notify us at once.

Pusey, Steven
From: Pussy, Steven
Sent: Thursday, June 23, 2016 9:52 AM
To: 'Garry Pape'
Subject: RE: Wyndwater Phase 1 SW8 140219
Garry,
I just finished reviewing the plans and technical data on Wyndwater Phase 2. 1 noticed that drawing sheets, in
particular Sheets C-5 and C-9, have not been updated with revised pond design criteria. The bottom elevation
and sediment removal elevations are incorrect, as well as other data such as volume required, etc.
Please revise and resend these plan sheets as well as any other information that may be affected. Note, you
may also want to check Phase 3.
Thanks,
StWc fwe+
Environmental Engineer
Division of Energy, Mineral and Land Resources — State Stormwater Program
Department of Environmental Quality
910 796 7215 office
910 796 7334 direct
steven.ousev(d)ncdenr.aov
127 Cardinal Drive Ext
Wilmington, NC 28405
Cnngy. Mlnnal
anO LanORrsour[n
_ � on.r.wromuv
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
® Before printing this email, please consider your budget and the environment.
From: Garry Pape f mailto:[e-mail]]
Sent: Wednesday, June 22, 2016 3:48 PM
To: Pusey, Steven <[e-mail]>
Subject: Wyndwater Phase 1 SW8 140219
Steve,
Question for you. For the Wyndwater Phase 1 Permit, there is 2,119 SF of BUA allocated for Future. I need to modify
the permit and basically move 1,000 sf of the future BUA to a lot. I'm just trying to figure out how to do this. Will this
type of change require the full $505 fee? I'm assuming all I'll need to submit would be a revised application .and revised
deed restriction. Is there anything else that would need to be submitted? I know you are really busy and I appreciate
the time. Thanks. - Garry

Garry S. Pape, P.E.
GSP CONSULTING, PLLC
6626-C Gordon Road
Wilmington, North Carolina 28411
Mobile: [phone]
Fax:[phone]
e a e ri I, P-Consulting Com

• —A—L' General Data: Impervious, Drainage Area and Volume
PROJECT NUMBER: SW8
140416
Reviewer:
KJohnson /S Pusey
DRAINAGE BASIN:
Cape Fear
Current Date
23-Jun-16
Original Run Date:
2-Jun-14
DA Number
7/3/2014
8/3/2015
6/23/2016
4
5
6
7
8
9
10
BMP Type
Wet Pond
Wet Pond
No BMP In
DA
No BMP in
DA
No BMP In
DA
No BMP in
DA
No BMP In
DA
No BMP In
DA
No BMP in
DA
No BMP in
DA
Receiving Stream
Mullet Run
Mullet Run
Mullet Run
Stream Index
18.87-9.1
18-87-9-1
18-87-9-1
Class
Over W mile
Over 12 mile
Over 1Q mile
impervious Area
Proposed Impervious (ALL IMPERVIOUS), Total, ft2:
311,472
331,737
407,335
0
0
0
0
0
0
0
Onsite Buildings
247,500
243,000
258,436
Onsite Streets
46,6811
81,389
81,199
Onsite Parking
0
0
Onsite Sidewalks
17.291
7,348
7,400
Onsite Other
0
0
Future
0
0
60,300
Offsite
0
0
Existing
0
0
Pr oust • d n1 a Old Rule,
Onsite Buildings
0
0
0
0
0
0
0
0
0
0
Onsite Streets
Onsite Parking
Onsite Sidewalks
Onsite Other
Future
Offsite
Existing
311,472
331,737
407,335
0
0
0
0
0
0
0
Drainage Area
947,143
986,812
1,046,055
Drainage Area, Total, ft':
Onsite, ft2:
947,143
986,812
1,046,055
Offsite, 0:
0
0
0
Previously ermined D el age Aree,Old Rule, fl'
0
0
0
0
0
0
0
0
0
0
Onsile, ft2:
Offste, ft':
Proposed DA (Being Added By Mod), ft2:
947.143
986,812
1,046,055
Drainage Area, Subject to Old Rule, ft':
0
0
0
0
0
0
0
0
0
0
Drainage Area, Subject to New Rule, ft2:
947.143
986,812
1,046,055
Percent Impervious Overall, per DA:
Volume Required: Simple Method
Volume Required, Old Rule, ft':
32.89%1
33.62%
38.94%
Rvp. e,,,,w, Old Rule:
Design Storm, Old Rule, in:
Volume Required, New Rule, ft':
40.960
43,488
52,363
RvP,eoe.. nnm. New Rule:
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
RVPen o..,l,em,m, New Rule:
0.35
0.35
0.40
P, Design Storm, , in:
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
P, Design Storm, M4n, in:
Subject to SA? (V or N)
N
N
N
Volume Required,., ft':
40,960
43.488
52,363
Volume Requiredim4N, tt2:
0
0
0
VOtt a Required, Total (Old +New) Rule, ft':
40,960
43,488
52,363

,-• Wet Ponds
PROJECT NUMBER: SW8
140416
Reviewer:
K Johnson / S Puse
DRAINAGE BASIN:
Cape Fear
Current Date
23-Jun-16
Original Run Date:
2-Jun-14 j
DA Number
713/2014
8/3/2015
3
4
5
6
7
8
9
10
EMIR Type
Well Pond
WetPond
NOB,VP In
DA
NOBMPIn
DA
No BMPin
DA
No SMPin
DA
NOBMPin
DA
No SMPIn
DA
NOBMPin
DA
NOBMPIn
DA
Minimum Surface Area
%Impervious
32.9%
33.62%
38,94%
Lower Impervious
30.0%
30.0%
30.0%
#VALUEI
#VALUEI
#VALUEI
#VALUE!
#VALUEI
#VALUE!
#VALUE!
Upper Imervious
40.0%
40.0%
40.0%
#VALUE!
#VALUEI
#VALUEI
#VALUEI
#VALUEI
#VALUE!
#VALUEI
TSS 85 or 90):
90
90
90
Lower SAIDA
2.7
2.7
2.5
#VALUE!
#VALUEI
#VALUEI
#VALUEI
#VALUEI
#VALUEI
#VALUE!
Upper SA/DA
3.5
3.5
3.1
#VALUEI
#VALUEI
#VALUE!
#VALUE!
#VALUEI
#VALUEI
#VALUEI
SA/DA ratio
2.9
3.0
3.0
#VALUEI
#VALUEI
#VALUE!
#VALUE!
#VALUEI
#VALUEI
#VALUE!
PP Surface Area req. :
27,759
29.499
31,762
#VALUEI
#VALUEI
#VALUE!
#VALUE!
#VALUEI
#VALUE!
#VALUEI
Stora a Calculations
15.00
14.00
13.00
Elevation, Bottom of Sediment excavated de th ,fmsl:
Elevation; Top of Sediment bottom pond/deigned bottom ,fms1:
16.00
15.00
14.00
Elevation, Bottom of shelf, fmsl:
20.00
20.00
20.00
Elevation; Permanent Pool fmsl:
20.50
20.50
20.50
Elevation, Top of Shelf, fmal:
21.00
21.00
21.00
Elevation, Temp. Pool, fmsl:
21.80
21.80
21.84
Area, Top of Sediment (bottom pond/designed bottom), ft2:
11,275
17,924
10.888
Area, Bottom of Shelf, fe:
24,897
29,622
29.622
Area, Perm Pool, a2:
28,779
33.673
33,673
Area, Top of Shelf, fir:
32,830
37,894
39,683
Area, Tem .Pool, f12:
35,852
41,540
41,633
Volume Provided(Temp Pool), DWO Calculated, tta:
42,875
49,665
52,492
0
0
0
0
0
0
0
Volume Provided iTemp Pool , Pmvided oar Comudant, ft3:
42,875
49,665
52,492
Volume Required(Temp Poop, DWO Calculated, It':
40,980
43,488
52,363
Consultant Provided Enough Volume?
y
y
y
Average Depth Option 1 or Option 2 Enter 1 or 2?
2
2
2
Average Depth Provided, ft:
4.0
4.0
4.5
Average Depth - OPTION 1 -, DINO Calculated, tt:
3.56
3.73
4.08
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV101
#DIV/01
Average Depth - OPTION 2 -, DWO Calculated, ft:
3.5
4.50
4.50
#DIV/01
#DIV/01
#DIV/01
#DIV/0!
#DIV/01
#DIV/O!
#DIV/01
ForebayVolume
Permanent Pool Volume, fi':
102.545
125,577
137,354
0
0
0
0
0
0
0
Forebay Volume, Required, ff':
20,509
25,115
27,471
0
0
0
0
0
0
0
Forebay Volume, Provided, ft':
22,150
25,878
29,015
Percent of Permanent Pool (18-22% is Target):
22%
21 %
21%
#DIV/01I
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DN/01
#DIV/01
Drawdown
Av era a Head ft:
0.38
0.38
0.39
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Average Flow 02, ft'/sec:
0.237
0.252
0.303
#VALUEI
#VALUEI
#VALUEI
#VALUE!
#VALUEI
#VALUE!
#VALUEI
Average Flaw Q5, ft/sec:
0,095
0.101
0.121
#VALUE!
#VALUEI
#VALUEI
#VALUE!
#VALUEI
#VALUEI
#VALUEI
Q2 Area, m2:
11.429
12.245
14.491
#VALUE!
#VALUEI
#VALUEI
#VALUE!
#VALUE!
#VALUE!
#VALUEI
05 Area, in2:
4.572
4.898
5,796
#VALUEI
#VALUEI
#VALUE!
#VALUEI
#VALUEI
#VALUEI
#VALUEI
No. of Orifices
1
1
1
Orifice Diameter, in:
3.501
4.00
4.00
Orifice Area, in2:
9.621
12.566
12.566
0,000
0,000
0.000
0.000
0.000
0.000
0.000
Weir Height, in:
Weir Length, in:
Weir C:
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DIV/01
#DN/01
#DIV/01
Weir L, Effective Length, ft:
-0.077
-0.076
.0.078
0,000
0.000
0.000
0.000
0.000
0.000
0.000
Average Orifice Flowrate, DINO Calc (Q..) It3/sec:
0.200
0.258
0,263
0,000
0.000
0.000
0.000
0.000
0.000
0.000
Average Onfice Flowrate, Reported (OR,Pan,a) ff'/sec:
0.210
0.280
0.280
Average Orifice Flowrate is Adequate? sat Range MCat
y
y
y
Runoff Coefficient Cc:
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.250
1 yr 24 hr rainfall depth, in:
1 yr 24 hr Intensity (1) mmr:
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
1 yr 24 hr Pre -Development (0), ff3/sec:
0.000
0,000
0.000
Avg. Orifice Bow<Pre Q?
N
N
N
Drawdown, days:
2.38
1.95
2.31
Pump
1/3
112
1/2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Max HP:

Casmer, Jo"
From: Casmer, Jo
Sent: Thursday, May 12, 2016 9:10 AM
To: '[e-mail]'; Garry Pape (gpape®gsl-consulting.com)
Subject: Wyndwater Phase 2; Stormwater Permit SW8 140416
The Wilmington Regional Office of the Division of Energy. Mineral, and Land Resources (Stormwater Section)
received the Stormwater Permit Application and $505.00 fee on May 5, 2016. The project has been assigned to
Steve Pusey and you will be notified if additional information is needed. Please be advised that the construction
of built -upon area may not commence until the Stormwater Permit is issued.
Jo Casmer
Administrative Assistant for DEMLR/Stormwater Section
North Carolina Department of Environmental Quality
Department of Environmental Assistance & Customer Service
910 798-7336 office
910 350-2004 fax
io.casmeKVi ncdenr.aov
127 Cardinal Drive Extension
Wilmington, NC 28405
Z. Nothfng Compares_-..
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

-- -1.1

GSP CONSULTING
LETTER OF Tf'�\NSNIITTI L
TO:
6626 Gordon Road, Unit C
WILMINGTON, NORTH CAROLINA, 28411
[phone]
FAX [phone]
NC Division of Water Quality
127 Cardinal Drive Ext.
Wilmington, NC 284o5
DATE 0 /O /16
JOB NO. 201 -0002
ATTENTION ATTENTION
PHONE#
RE: W ndwater — Phase 2
SW8 1 0 16 (Modification)
WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via
® Fee Check ® Permit Applications ® Plans ® Calculations
❑ Copy of Letter ❑ Change order ❑ Diskette ❑
the following items:
❑ Specifications
COPIES
DESCRIPTION
2
Sets of plans & calculations for state stormwater modification
2
Stormwater Management Permit Application Forms (one original, one copy)
1
Wet Detention Basin Supplement & Checklist
1
Wet Detention Basin Operation and Maintenance Agreement
1
Application fee for $5o5.00
THESE ARETRANSMITTED as checked below:
® For approval ❑ Approved as submitted
❑ For your use ❑ Approved as noted
❑ As requested ❑ Returned for corrections
❑ For review and comment ❑
❑ FOR BIDS DUE ❑ PRINTS RETURNED AFTER LOAN TO US
REMARKS:
COPYTO: File
❑ Resubmit
copies for approval
❑ Submit
copies for distribution
❑ Return
corrected prints
SIGNED:
- Garry S. Pape. P.E.
if enclosures am not as noted, kindly notify us at once.

DEMLR USE ONLY
D to R eiv deg
Paid
Permit Numbe
Applicable Rulesf ❑ Coastal SW — 1995 ❑ Coastal SW — 2008 ❑ Ph II - Post Construction
(,select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Slormwater Management Plan
❑ Other WQ M mt 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 he photocopied for use as art original
I. 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.):
Wyndwaier - Phase 2
2. Location of Project (street address):
Sloop Point Loop Road
Cily:Hantpslead County:Pender Zip:28443
3. Directions to project (from nearest major intersection):
Project is approximately 2 mi heading southeast on Sloop Point Loop Road from US 17/Sloop Point Loop
4, Latitude:34° 24' 10" N Longitude:77° 37' 39" W of the main entrance to the project.
IL PERMIT INFORMATION:
I. a. Specify whether project is (check one): ❑New ®Modification ❑ Renewal w/ Modificationt
tRenemals with modifications also requires SWU-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
numberSW8 140416 - , its issue date (if known)Aucusl 3, 2015 , and the status of construction:
❑Nut Started ®Partially Completed* ❑ Completed* *provide a designer's
certification
2. Specify the type of project (check one):
❑Low Density EHigh Density ❑Drains to an Offsite Stonnwater System ❑Other
3. If this application is being submitted as the result of a previously returned application or a letter from DEMLR
requesting a stale stormwaler management permit application, list the stormwater project number, if assigned,
and the previous name of the project, if different than currently proposal, _
4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by
contacting the Customer Service Center at 1-877-623-6748):
❑LAMA Major
❑NPDES Industrial Slormwater
ESedimentation/Erosion Control: 29.35 ac of Disturbed Area
0404/401 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
If yes, see S.L. 20I2-200, Part Vl: http•//portal.ncdenr.org/web/Ir/nies-and-regulations
ECIE6!/E
MAY 0 5 2016
Form SWU-101 Version Ocl. 31, 2013 Page I of 6

IIL 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 nroiect):
Applicant/Organization:Signature Too Sail NC LP
Signing Official & Title:Michael H. Pollak - Manaser
b.Conlact information for person listed in item la above:
Street Address:9337B Kay Freeway #377
City:Housion State:TX Zip:77024
Mailing Address (if applicable):
City: State: Zip:
Phone: [phone] Fax: ( )
Emai I: mike @ si mature-companies.com
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 tide below, if you are the lessee, purchaser or developer. (This is the person who owns
the property [hat the project is located on):
Property Owner/Organization:
Signing Official & Title:
b.Contact information for person listed in item 2a above:
Street Address:
City: Stale: 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 project's construction supervisor or other person who
can answer questions about the project:
Other Contact
Signing Official &
b.Comact information for person listed in item 3a above:
t
Mailing Address:
City:
Phone: ( 1
Email:
4. Local jurisdiction for building permits:
Point ol'Contacl:
Zip:
Fax:
Phone #:
MAY 0 5 2015
BY:
Form SWU-101 Version Oct. 31, 2013 Page 2 of 6

IV. PROJECT INFORMATION
I. In the space provided below, hnunv summarize how the stormwater runoff will be treated.
Wet Detention Basin
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 Cane Fear River basin.
4. Total Property Area: 24.01 acres
5. Total Coastal Wetlands Area:
6. Total Surface Water Area:
7. Total Property Area (4) —Total Coastal Wetlands Area (5) —Total Surface Water Area (6) = Total Project Area': 24_01acres
' Total project area shall be calculated to exclude the following: the normal pool of impounded structures, die area
between the banks of streams and rivers, the area below the Normal High Water (NHW) line or Mean High Water
(MHW) lute, and coastal wetlands landward front the Nil (or MHW) line. The resultant project area is used to
calculate overall percent built upon area (BUA). Non -coastal wetlands landward of die NHW (or MHW) line maybe
included in the total project area.
8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 38.9 _%
9. How many drainage areas does the project have? I (For high density, count I for each proposed engineered stormwater
BMP. ror low density and other projects, use I far the whole 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.
Basin Information
Drainage Area I
Drainage Area _
Drainage Area _
Drainage Area
Receiving Stream Name
Mullet Run
Stream Class *
SA, HQW > 0.5
mile
Stream Index Number *
18-87-9-1
Total Drainage Area (st)
1,046,055
On -site Drainage Area (sf)
1,046,055
Off -site Drainage Area (so
Proposed Ito ervious Area** (st)
407,335
% Impervious Area** (total)
38.9
Impervious** Surface Area
Drainage Area 1
Drainage Area _
Draina a Area _
Draina e Area
On -site Buildings/Lots (sl)
259,436
On- siteSucets (sf)
81,199
On -site Parking (sl)
On -site Sidewalks (sl)
7,400
Other on -site (so
Future (sl)
60,300
Off -site (sf)
MAY
inte
LE
8xisling BUA*** (sl)
1
Total (st):
1 407,335
RV;
* Stream Class and Index Number can be determined aC lutpLAnorml.ricdeiir.org/webhvrllrs/c.sa/classifications
** 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 aniouru of existing BUA that will remain after development. Do
not report any eA'isting BUA that is to be removed and Which will be replaced by new BUA.
Form SWU-101 Version Oct. 31, 2013 Page 3 of 6

11. How was the off -site impervious area listed above determined? Provide documentation.
Proieets 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 stale stormwater management permit supplement and operation and maintenance (O&M) forms must be
submitted for each 13MP specified for this project. The latest versions of the forms can be downloaded from
hitp://Voriiii.nc(lenr.oraweb/w(i/ws/su/binp-inanual.
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land
Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction
sheet and [IMP checklists are available from hltp:Hportal.ncdenr.org/web/wq/ws/su/statesw/Ibrms does. The complete
application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by
locating project on the interactive online map at http://portal.ncdenr.orglweb/wg/ws/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:Hportal.ncdenr.ory/weh/wcl/ws/su/statesw/forms does.
Initia
I. Original and one copy of the Stormwater Management Permit Application Form.
2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants
Form. (if'required as per Part Vll below)
3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M
agreement(s) for each BMP.
4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to
hop://www.enviielp.org/Vages/onestopexpress.html for information on the Express program
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
the project. This is required in addition to the brief summary provided in the Project
Information, item I. p
6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the--��-►L-a�\Z—
receiving stream drains to class SA waters within'/n mile of the site boundary, include the''/a
mill radius on the map.
7. Sealed, signed and dated calculations (one copy).
8. Two sets of plans folded to 8.5" 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.
f. Scale.
g. Revision number and dates.
It. 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.
• 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.
I. Details of roads, drainage features, collection systems, and stormwater control measures.
in. 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 PECE IVE
made the determination on the plans.
n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations ; MAY U 5 2016
o. Drainage areas delineated (included in the main set of plans, not as a separate document}
p. Vegetated buffers (where required). f3Vt_
Form SWU-101 Version Oct. 31, 2013 Page 4 of 6

9.' 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"x I I" copy of the NRCS County Soils map with the project area clearly
delineated. For projects with 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: Schedule a site visit for DEMLR to verify the SHWT prior
to submittal, [phone].)
10. A copy of the most current properly deed. Deed book: 4379 Page No: 330
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 21-1.1003(c).
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.
ham://www.secretitry.s(a(c. nc. us/Corporations/CSearch.aspx
VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
For all subdivisions, outparcels, and future development, the appropriate properly restrictions and protective covenants are
required to he 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 ham://12ortal.ncdenr.org/web/Ir/state-stormwater-forms does. Download the latest versions for
each submittal.
In the instances where the applicant is different than the properly owner, it is the responsibility of the property owner to sign
the clued 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 changed or deleted without concurrence from the- NC
DE111LR, and that they will be recorded prior to the sale of any lot.
VI11. 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:Garry S. Pape, P.E.
Consulting Firm: GSP Consulting, PLLC
Mailing Address:6626 Gordon Road Unit C
City:Wilminglon Slalc:NC Zip:28411
Phone: (910 ) 442-7870
Pnu il:gpapc0a gsp-consulting.com
Fax: (910 ) 799-6659
IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this section)
I, (print or rype 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 ]a) with (print or type name of organization listed in
Contact Information, item /a) 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.
MECEIVE
+ MAY 0 5 2016
Form SWU-101 Version Oct. 31. 2013 Page 5 of 6

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.
a Notary Public for the State of County of
do hereby certify that
before me this _ day of
personally appeared
and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal,
SEAL
My commission
X. APPLICANT'S CERTIFICATION
1, (print or type name of person listed in Contact Information, item 1a) Michael H. Pollak
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants ill be recor e an t the proposed project complies with the requirements of the
applicable stop ten s id.1000 and any other applicable state stormwater requirements.
Rionnhira- Date: 3-17 `4
T 9? in- a Notary Public/I for
e a of IYok/ tiJ I I Pic, County of
do heiI- ertify that \ e l 1 r� G �IG personally appeared
before me this ay of _ VVI , ZdLi, .and iowledge the du xecution of the application for
a stormwater permit. Witness my hand and official seal,rz Al
�w�muutunu�
aPPy IS Pq o .
NpTARy
U
2 PUBLIC'
'°1QNCVER GOJ
�hnrnnn:orunN�O
SEAL
My commission expiresZU ZU _
ECEIVE
MAY 0 5 2016
BY.
Form SWU-101 Version Oct. 31.2013 Page 6 of 6

'!
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Permit Number:
(to be provided by DWQ)
Drainage Area Number:
Wet Detention Basin 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.
The wet detention basin system is defined as the wet detention basin,
pretreatment including forebays and the vegetated filter if one is provided.
This system (check one):
❑ does ® does not
This system (check one):
❑ does ® does not
incorporate a vegetated filter at the outlet.
incorporate pretreatment other than a forebay.
Important maintenance procedures:
— Immediately after the wet detention basin is established, the plants on the
vegetated shelf and perimeter of the basin should be watered twice weekly if
needed, until the plants become established (commonly six weeks).
— No portion of the wet detention pond should be fertilized after the first initial
fertilization that is required to establish the plants on the vegetated shelf.
— Stable groundcover should be maintained in the drainage area to reduce the
sediment load to the wet detention basin.
— If the basin must be drained for an emergency or to perform maintenance, the
flushing of sediment through the emergency drain should be minimized to the
maximum extent practical.
— Once a year, a dam safety expert should inspect the embankment.
After the wet detention pond is established, it should be inspecte °a-flfhnrn un —
within 24 hours after every storm event greater than 1.0 inches ( 1.5 iinnyh�els�if� �,a
Coastal County). Records of operation and maintenance should ep }t se
location and must be available upon request. BY:
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
BMP element:
Potentialproblem:
How I will remediate theproblem:
The entire BMP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the wet
Areas of bare soil and/or
Regrade the soil if necessary to
detention basin
erosive gullies have formed.
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 a height of
long.
approximately six inches.
Form SW401-Wet Detention Basin O&M-Rev.4
Page I of 4

�1
BMP element:
The inlet device: p
swale
IYT
Permit Number:
(to be provided by DWQ)
Drainage Area Number:
Potentialproblem:
or I The pipe is clogged.
The main treatment area
The pipe is cracked or
otherwise damaged.
Erosion is occurring in the
swale.
Sediment has accumulated to
a depth greater than the
original design depth for
sediment storage.
has occurred.
Weeds are present.
Best professional practices
show that pruning is needed
to maintain optimal plant
health.
Plants are dead, diseased or
dying.
Weeds are present.
Sediment has accumulated to
a depth greater than the
original design sediment
storage depth.
Algal growth covers over
50% of the area.
Cattails, phragmites or other
invasive plants cover 50% of
the basin surface.
How 1 will remediate the
Unclog the pipe. Dispose
sediment off -site.
Replace the pipe.
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.
Search for the source of the
sediment and remedy the problem if
possible. Remove the sediment and
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Provide additional erosion
protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problems.
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying.
Prune according to best professional
practices
Determine the source of the
problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a one-time
fertilizer application to establish the
ground cover if a soil test indicates
it is necessary. _
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying. _
Search for the source of the
sediment and remedy the problem if
possible. Remove the sediment and
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Consult a professional to remove
and control the algal growth.
Remove the plants by wiping them
with pesticide (do not spray).
MAY 0 5 2016
Form SW401-Wet Detention Basin O&M-Rev.4
Page 2 of 4

Permit Number:
(to be provided by DWQ)
Drainage Area Number:
BMP element:
Potentialproblem:
How I will remediate theproblem:
The embankment
Shrubs have started to grow
Remove shrubs immediately.
on the embankment.
Evidence of muskrat or
Use traps to remove muskrats and
beaver activity is present.
consult a professional to remove
beavers.
A tree has started to grow on
Consult a dam safety specialist to
the embankment.
remove the tree.
An annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repair. (if applicable)
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 Division of
damage have occurred at the
Water Quality Regional Office, or
outlet.
the 401 Oversight Unit at 919-733-
1786.
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.
When the permanent pool depth reads 6.5 feet in the main pond, the sediment
shall be removed.
When the permanent pool depth reads 5.5 feet in the forebay, the sediment
shall be removed.
Sediment Removal
Bottom
15
---------------
FOREBAY
BASIN DIAGRAM
ill in the blanks)
I-ft Min.
Sediment
Storage
Form SW401-Wet Detention Basin O&M-Rev.4
Permanent Pool Elevation 20.5
Sediment Removal Elevation 14 volum,
-------_-- ------
Bottom Elevation
MAIN POND
ECEIVE
1 MAY 0 5 2016
BY; Page 3 of 4
1-ft
Storage

,•� Permit Number:
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above. I agree to notify DWQ of
any problems with the system or prior to any changes to the system or responsible
party.
Project nante: Wyndwater Phases.— Pond #I
BMP drainage basin number:
Print name: Signature Top Sail NC, LP - Michael H. Pollak
Title: Manager
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, Garry S. Pape , a Notary Public for the State of
North Carolina County of New Hanover do hereby cenjfy that
Michael H. Pollak personally appeared before me this
day of Mw~e. , WI b , and acknowledge the due execution f the forgoi g
infiltration basin maintenance requirements. Witness my hand and official seal,
P"
NOTAR l,,
EZc PUBOG
'�y,'yZ410;n iuCo`
SEAL
My commission expires April 13, 2020
ECEIVE
q MAY 0 5 2016
By:_ ---
Form SW401-Wet Detention Basin O&M-Rev.4
Page 4 of 4

Permit No. �/I %" W 4�
(to be provided by OWQ)
m
M♦CDEH
O� pVJA iF9
OG
NCDENR
-i
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form must be filled out, printed and submitted.
The Required
Items Checklist (Pad 111) must be printed, filled out and submitted along with all of the required information.
IPROJECT INFORMATION
Project name
Wyndweler Phase 2
Contact person
Garry S. Pape, P.E.
Phone number
910-442.7870
Date
4-May
Drainage area number
1
II. DESIGN INFORMATION
;
Site Characteristics
Drainage area
Impervious area, post-developmenl
% impervious
Design rainfall depth
Storage Volume: Non -SA Waters
Minimum volume required
Volume provided
Storage Volume: SA Waters
1.5' runoff volume
Pre -development 1-yr, 24-hr runoff
Post -development I-yr, 24-hr runoff
Minimum volume required
Volume provided
Peek Flow Calculations
Is the prelpost control of the 1yr 24hr storm peak flow required?
1 yr, 24-hr rainfall depth
Rational C, pre -development
Rational C, post -development
Rainfall intensity: 1-yr, 24-hr storm
Pre -development 1-yr, 24-hr peak flow
Post -development 1-yr, 24-hr peak flow
Pre/Post 1-yr, 24-hr peak flow control
Elevations
Temporary pool elevation
Permanent pool elevation
SHVIT elevation (approx. at the perm. pool elevation)
Top of 10n vegetated shelf elevation
Bottom of 10tt vegetated shelf elevation
Sediment cleanout, top elevation (bottom of pond)
Sediment cleanout, bottom elevation
Sediment storage provided
Is there additional volume stored above the state -required temp. pool?
Elevation of the top of the additional volume
Form SW401-Wet Detention Basin-Rev.9.4/18,r12
1,046,055 it'
407,335 It'
38.94 %
1.5 in
52,363 n'
52,492 tt'
n'
Its
n'
it
OK, volume provided is equal to or in excess of volume required.
N (Y or N)
3.8 in
0.20 (unitless)
0.49 (unnless)
5.00 In/hr OK
24.01 n'/seo
59.08 ft'/sec
35.07 n'/sec
21.84 fmsl
20.50 final �'.•
20.90 first = :iz SEAL
21.00 tryst = 031315
20.00 first14.00 fmsl
= '
i
13.00
0o itsl /��c�RRY S IN
��A[������
N (Y or N)
fmsl
ECEIVE
MAY 0 5 I'll
p Is 1.8 11. Design Summary, Page 1 of 2
WV:

Permit No.
(to be provided by DWO)
II DESIGN INFORMATION -—
Surface Areas
Area, temporary pool
41,633 B'
Area REQUIRED, permanent pool
31,800 it,
SAIDA ratio
3.04 (unitless)
Area PROVIDED, permanent pool, A,,,, p,u
33,673 it'
OK
Area, bottom of 100 vegetated shelf, A,_.,
29.622 ft'
Area, sediment cleanoul, top elevation (bottom of pond), Abu.
10.888 ft'
Volumes
Volume, temporary pool
52,492 it'
OK
Volume, permanent pool, V„„.
138,674 rya
Volume, forebay (sum of forebays if more than one forebay)
29,015 fh
Forebay % of permanent pool volume
20.9 % %
OK
SA/DA Table Data
Design TSS removal
90 %
Coastal SAIDA Table Used?
Y (Y or N)
Mountain Piedmont SAIDA Table Used?
(Y or N)
SAIDA ratio
3.04 (unitless)
Average depth (used in SAIDA table):
Calculation option 1 used? (See Figure 10.21g)
N (Y or N)
Volume, permanent pool, V,,, .
138,674 fls
Area provided, permanent pool, A,,_„u
33,673 tt'
Average depth calculated
it
Need 3 it min.
Average depth used In SAIDA, d,„ (Round to nearest 0.5tt)
it
Calculation option 2 used? (See Figure 10-21b)
Y (Y or N)
Area provided, permanent pool, A,, se,
33,67311'
Area, bottom of 1Oft vegetated shelf, A.,u,
29,622 it'
Area, sediment cleanoul, top elevation (bottom of pond), A� ,,,,a
10,888 it,
'Depth' (distance b/w bottom of 1 Oft shelf and top of sediment)
6.00 it
Average depth calculated
4.57 it
OK
Average depth used in SAIDA, d,,, (Round to down to nearest 0.5f1)
4.5 it
OK
Drawdown Calculations
Drawdown through orifice?
Y (Y or N)
Diameter of orifice (if circular)
4.00 in
Area of orAlce (if -non -circular)
in'
Coefficient of discharge (Cu)
0.60 (unhless)
Driving head (H,)
0.45 it
Drawdown through weir?
(Y or N)
Weir type
(unXless)
Coefficient of discharge (C.)
(unitless)
Length of weir (L)
1t
Driving head (H)
it
Pre -development 1-yr, 24-hr peak flow
24.01 ttn/sec
Post -development 1-yr, 24-hr peak flow
59.06 rya/sec
Storage volume discharge rate (through discharge orifice or weir)
0.28 ft3/sec
Storage volume drawdown time
2.16 days
OK, draws down In 2-5 days.
Additional Information
Vegetated side slopes
3 :1
OK
Vegetated shelf slope
10 :1
OK
Vegetated shelf width
10.0 it
OK
E C E I V E
Length of flowpath to width ratio
3 :1
OK
Length to width ratio
1.6 :1
OK
Trash rack for overflow & orifice?
Y
(Y or N)
OK
MAY 0 5 2016
Freeboard provided
2.0 it
OK
Vegetated filter provided?
N
(Y or N)
OK
Recorded drainage easement provided?
Y
(Y or N)
OK
BY:-
Capures all runoff at uBimate build -out?
Y
(Y or N)
OK
Drain mechanism for maintenance or emergencies is:
Mechanical
Form SW401-Wet Detention Basin-Rev.9-4/1 all Pans L a tl. Design Summary, Page 2 of 2

Permit No.
(to be provides' by DWO)
III. 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.
Page/ Plan
itfals WL r
Ifo G 9
6-1
c• to
Plans (1" - 50' or larger) of the entire site showing:
- Design at ultimate build -out,
- Off -site drainage (if applicable),
- Delineated drainage basins (include Rational C coefficient per basin),
Basin dimensions,
Pretreatment system,
High flow bypass system,
Maintenance access,
Proposed drainage easement and public right of way (ROW),
Overflow device, and
Boundaries of drainage easement.
2. Partial plan (i" = 30' or larger) and details for the wet detention basin showing:
- Outlet structure with trash rack or similar,
Maintenance access,
Permanent pool dimensions,
Forebay and main pond with hardened emergency spillway,
Basin cross-section,
Vegetation specification for planting shelf, and
Filter strip.
3. Section view of the wet detention basin (1" = 20' or larger) showing:
Side slopes, 3:1 or lower,
Pretreatment and treatment areas, and
Inlet and outlet structures.
4. If the basin is used for sediment and erosion control during construction, clean out of the basin is specified
on the plans prior to use as a wet detention basin.
5. A table of elevations, areas, incremental volumes & accumulated volumes for overall pond and for forebay,
to verify volume provided.
6. A construction sequence that shows how the wet detention basin will be protected from sediment until the
I_ p1 entire drainage area is stabilized.
The supporting calculations.
M098. IA copy of the signed and notarized operation and maintenance (0&M) agreement.
�✓A 9. A copy of the deed restrictions (if required).
Ldw 10. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. County
soil maps are not an acceptable source of soils information.
Form SW401-Wet Detention Basin-Rev.9-4/18/12
ECEIVE
py MAY 0 5 2016
Pa ptl' age 1 of 1

I

High Density Residential Subdivisions
Deed Restrictions & Protective Covenances
In accordance with Title 15 NCAC 2H.1000 and S.L. 2006-246, the Stormwater Management Regulations,
deed restrictions and protective covenants are required for High Density Residential Subdivisions where
lots will be subdivided and sold and runoff will be treated in an engineered stormwater control facility. Deed
restrictions and protective covenants are necessary to ensure that the development maintains a "built -upon"
area consistent with the design criteria used to size the stormwater control facility.
I, Michael H. Pollak, acknowledge, affirm and agree by my signature below, that I will cause the following
deed restrictions and covenants to be recorded for Wvndwater - Phase 2 prior to the sale of any lot:
1. The following covenants are intended to ensure ongoing compliance with State Stormwater
Management Permit Number SW8 140416, as issued by the Division of Water Quality under the
Stormwater Management Regulations.
2. The State of North Carolina is made a beneficiary of these covenants to the extent necessary to
maintain compliance with the stormwater management permit.
3. These covenants are to run with the land and be binding on all persons and parties claiming under
them.
4. The covenants pertaining to stormwater may not be altered or rescinded without the express written
consent of the State of North Carolina, Division of Water Quality.
5. Alteration of the drainage as shown on the approved plan may not take place without the concurrence
of the Division of Water Quality.
6. The maximum allowable built -upon area per lot is See Attached square feet. This allotted amount
includes any built -upon area constructed within the lotpro�daries, and that portion of the
right-of-way between the front lot line and the edge of the pavement. Built upon area includes, but is not
limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does
not include raised, open wood decking, or the water surface of swimming pools.
OR, if the proposed built -upon areas per lot will vary, please REPLACE #6 above with the following:
6. The maximum built -upon area per lot, in square feet, is as listed below:
Lot # BUA Lot # BUA Lot # BUA Lot # BUA
This allotted amount includes any built -upon area constructed within the lot property boundaries, and
that portion of the right-of-way between the front lot line and the edge of the pavement. Built upon area
includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and
parking areas, but does not include raised, open wood decking, or the water surface of swimming
pools.
Each lot will maintain a 30" foot wide vegetated buffer between all impervious areas and surface
waters.
"50 foot for projects located in the 20 coastal counties.
8. All runoff from the built -upon areas on the lot must drain into the permitted system. This may be
accomplished through a variety of means including roof drain gutters which drain to the street, grading
the lot to drain toward the street, or grading perimeter swales to collect the lot runoff and directing them
into a component of the stormwater collection system. Lots that will naturally drain into the system are
not required to provide these additional measures.
ECEIVE
MAY 0 !i 2016
Form DRPC-3 Rev.2 05Nov2009 Page I of 2
By:

` . High Density Residential Subdivisions
Deed Restrictions & Protective Covenances
I, Garry S. Pape , a Notary Public in the
State of North Carolina County of New Hanover
do hereby certify that Michael H. Pollak personally appeared
before me this the day of g-i'VI ,, ` , 20�, and acknowledge
the due executio of the foregoing instrument. Witness my hand and official seal,
`up1111i141I//!
�.��`�"pp`.P.FY
�FEAL F
SigTT NOTA/?1' u
My Commission expires April 13, 2020 ;y p V _c=
:c9 UBUG ?a
nECEIVE
BY:
Form DRPC-3 Rev.2 05Nov2009 Page 2 of 2

PHASE 2 - ALLOWABLE BUA AREAS
LOT#
TOTAL
LOT#
TOTAL
LOT
44
4,500
LOT
75
4,500
LOT
45
4,500
LOT
76
4,500
LOT
46
4,500
LOT
77
4,500
LOT
47
4,500
LOT
78
4,500
LOT
48
4,500
LOT
79
4,500
LOT
49
4,500
LOT
80
4,500
LOT
50
4,500
LOT
81
4,500
LOT
51
4,500
LOT
82
4,500
LOT
52
4,500
LOT
83
4,500
LOT
53
4,500
LOT
84
4,500
LOT
54
4,500
LOT
85
3,738
LOT
55
4,500
LOT
86
3,628
LOT
56
4,500
LOT
87
3,628
LOT
57
4,500
LOT
88
3,628
LOT
58
4,500
LOT
89
3,628
LOT
59
4,500
LOT
90
3,628
LOT
60
4,500
LOT
91
3,628
LOT
61
4,500
LOT
92
4,043
LOT
62
4,500
LOT
93
3,665
LOT
63
4,500
LOT
94
3,987
LOT
64
4,500
LOT
95
3,688
LOT
65
4,500
LOT
96
3,688
LOT
66
4,500
LOT
97
3,911
LOT
67
4,500
LOT
98
3,625
LOT
68
4,500
LOT
99
3,625
LOT
69
4,500
LOT
100
3,625
LOT
70
4,500
LOT
101
3,625
LOT
71
4,500
LOT
102
3,625
LOT
72
4,500
LOT
103
3,625
LOT
73
4,500
LOT
104
3,698
LOT
74
4,500
�4 MAY 0 5 2016

WYNDWATER - PHASE 2
STORM WATER
NARRATIVE & CALCULATIONS
May 3, 2016
� 11111
SEAL r
031315 =
GSP CONSULTING, PLLC.
6626 Gordon Road, Unit C
Wilmington, North Carolina 28411
[phone]
ECEIVE
MAY 0 5 201S

STORMWATER NARRATIVE
WYNDWATER - PHASE 2
PENDER COUNTY, NC
SITE DESCRIPTION
This +/- 28.35 acre site is located off Sloop Point Loop Road (S.R. 1563) (PIN 4214-12-8251-
0000) in Pender County, North Carolina. This phase of the project will drain to a proposed wet
detention basin that will discharge to a ditch that runs along the northern property line of the site.
This phase of the project will consist of the construction of 63 single family lots and related site
appurtenances. The proposed drainage area for this project is 24.01 acres and the total amount of
impervious area draining to the wet detention basin is 38.9%. The proposed disturbed area for
this phase of the development is approximately 28.35 acres. There are no wetlands located
within the limits of this phase of the project which have been field verified by the USACOE.
The site will be developed by Signature Top Sail NC, LP c/o Michael 1-1. Pollak — Manager.
Water is available to the site via a main owned by Pender County Utilities that was constructed
with Phase 1 of this development and sewer will be accomplished by a mixture of drain fields &
sewer owned and operated by Pluris, Inc..
SOILS
The soils for this project consist of Autryville series soils (Hydrologic Soil Group A), Baymeade
Series Soils (Hydrologic Soil Group A) and Foreston Series Soils (Hydrologic Soil Group Q.
The Autryville series are well drained soils near drainageways on convex divides on uplands.
The Baymeade series consist of well drained soils on low ridges and convex divides on the
uplands near the major drainageways. The Foreston series consists of moderately well drained
soils on slightly convex interstream divides near shallow drainageways.
STORM DRAINAGE DESIGN
The primary stormwater measures for this phase of the project will be a wet detention basin. The
stormwater will be conveyed via overland sheet flow and a closed conduit system to the
proposed wet detention basin that will be designed to treat the first 1.5" of rainfall and to control
the peak runoff from the 10-year storm event. The site drains to an unnamed tributary of Mullet
Run (classification SA, HQW) but is greater than'/a mile as verified by a Water Classification
Request.

Drainage Area
WET DETENTION BASIN
Drainage Area 1,046,055 sf
Drainage Area 24.01 ac
Impervious Area Calculation
Lots 258,436 sf
Sidewalk
7,400
Pavement
81,199
Future
60,300
Total
407,335 sf
Total
9.35 ac
% Impervious
38.9%
Volume/Storage Calculation
Design Storm (P)
Schueler Method Runoff Coeff (RV)
Required Volume (Vreq)
1.5 in
0.40 RV = %IMP'0.009+0.05
52,363 cf Vreq = (P/12)'RV'DA

WET DETENTION POND
CONTOUR INCR ACCUM
CONTOUR AREA VOL VOL
[sq ft] [cu ft] [cu ft]
14.0
10888
0
0
15.0
12593
11,741
11,741
16.0
14363
13,478
25,219
17.0
16196
15,280
40,498
18.0
18090
17,143
57,641
19.0
20044
19,067
76,708
20.0
22058
21,051
97,759
20.5
25543
11,900
109,659
FOREBAY
CONTOUR INCR ACCUM
CONTOUR AREA VOL VOL
[sq ft] [cu ft] [cu ft]
15.0
2711
0
0
16.0
3561
3,136
3,136
17.0
4473
4,017
7,153
18.0
5444
4,959
12,112
19.0
6476
5.960
18,072
20.0
7564
7,020
25,092
20.5
8130
3,924
29,015
Ape" pool
33,673
Ashen bottom
29,622
VOLUME
Ape" pool Ashelt bottom Apond bottom Apond bottom
10,888
Total
138,674
33,673 29,622 10,888 Depth
6.0
PROVIDED FOR FOREBAY 20.9%
1.5" STORAGE
CONTOUR INCR ACCUM
CONTOUR AREA VOL VOL
[sq ft] [cu ft] [cu ft]
20.5 33673 0 0
21.0 39683 18,339 18,339
21.84 41633 34,153 52,492
daverage 4.5726

POND RELEASE TIME FOR CONTROL PIPE: POND 2
POND RELEASE TIME FOR CONTROL PIPE:
STORAGE
ORIFICE
STORAGE
OUTFLOW
RELEASE
ELEVATION
ELEVATION
VOLUME
RATE
TIME
(FT)
(FT)
(CF)
(CFS)
(HOURS)
21.84
20.50
52,492
0.281
51.9
TOTAL HOURS 51.9
DAYS 2.16
CONTROL PIPE: 4 INCH ORIFICE HOLE
USED ORIFICE EQUATION TO DETERMINE OUTFLOW RATE
Q = Cd*A*(2gh)^1 /2

,Hydrograph Summary Report
Hydraflow Hydrographs by Intelisolve v9.1
Hyd.
No.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
Interval
(min)
Time to
peak
(min)
Hyd.
volume
(cult)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
description
1
SCS Runoff
65.14
1
725
206,564
----
----
----
WET DETENTION BASIN
2
Reservoir
11.91
1
754
184,368
1
22.62
84,660
WET DETENTION BASIN
2015-04-20 PHASE 2 WET POND.gpw
Return Period: 10 Year
Wednesday, May 4, 2016

Hydrograph Report
K,
Hydratlow Hydrographs by Intelisolve At
Hyd. No. 1
WET DETENTION BASIN
Hydrograph type
= SCS Runoff
Storm frequency
= 10 yrs
Time interval
= 1 min
Drainage area
= 24.010 ac
Basin Slope
= 0.0 %
Tc method
= USER
Total precip.
= 6.30 in
Storm duration
= 24 hrs
Composite (Area/CN) = I(9.350 x 98) + (14.660 x 39)1 124.010
Q (cfs)
70.00
60.00
A61811A
40.00
30.00
20.00
10.00
WET DETENTION BASIN
Hyd. No. 1 -- 10 Year
Wednesday, May 4, 2016
Peak discharge = 65.14 cfs
Time to peak
= 725 min
Hyd. volume
= 206,564 cuft
Curve number
= 62"
Hydraulic length
= 0 ft
Time of conc. (Tc)
= 5.00 min
Distribution
= Type III
Shape factor
= 484
Q (cfs)
70.00
50.00
[I11091
30.00
20.00
10.00
000
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Hyd No. 1 Time (min)
-

3
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.1
Wednesday, May 4, 2016
Hyd. No. 2
WET DETENTION BASIN
Hydrograph type = Reservoir
Peak discharge
= 11.91 cfs
Storm frequency = 10 yrs
Time to peak
= 754 min
Time interval = 1 min
Hyd. volume
= 184,368 cuft
Inflow hyd. No. = 1 -WET DETENTION BASIN
Max. Elevation
= 22.62 ft
Reservoir name = WET DETENTION BASIN
Max. Storage
= 84,660 cuft
Storage Indication method used.
Q (cfs)
70.00
50.00
40.00
30.00
20.00
10.00
WM
WET DETENTION BASIN
Hyd. No. 2 -- 10 Year
Q (cfs)
70.00
6Y11I1I11
40.00
30.00
1KII11<1Ir;
10.00
0 300 600
900 1200
1500 1800 2100 2400 2700
3000
Time (min)
— Hyd No. 2
—Hyd No. 1
F T Total storage used = 84,660 tuft

,Fond Report 4
Hydraflow Hydrographs by Intelisolve v9.1 Wednesday, May 4, 2016
Pond No. 1 - WET DETENTION BASIN
Pond Data
contours - User -defined contour areas. Conic method used for volume calculation. Begining Elevation = 20.50 ft
Stage / Storage Table
Stage (ft) Elevation (ft)
0.00 20.50
0.50 21.00
1.50 22.00
2.50 23.00
3.50 24.00
4.50 25.00
5.50 26.00
Contour area (sgft)
33,673
37,894
42,009
44,393
46,832
49,329
51.882
Incr. Storage (cult)
0
17,880
39,930
43,191
45,602
48,070
50,595
Total storage (cult)
0
17,880
57,809
101,001
146,603
194,673
245,269
Culvert I Orifice Structures
Weir Structures
[A]
[B] [C]
[PrfRsr]
[A] [B]
[C]
[D]
Rise (In)
- 24.00
4.00 0.00
0.00
Crest Len (ft) =
16.00 6.00
0.00
0.00
Span (In)
= 24.00
4.00 0.00
0.00
Crest El. (ft)
=
22.69 21.84
0.00
0.00
No. Barrels
= 1
1 0
0
Weir Coeft.
=
3.00 3.00
3.33
3.33
Invert El. (ft)
- 20.45
20.50 0.00
0.00
Weir Type
=
Riser Broad
---
--
Length (ft)
- 104.00
0.00 0.00
0.00
Multi -Stage
=
Yes Yes
No
No
Slope (%)
= 1.00
0.00 0.00
n/a
N-Value
= .010
.013 .013
n/a
Orifice CoeN. = 0.60
0.60 0.60
0.60
Exfil.(inlhr)
=
0.000 (by Contour)
Multi -Stage
= nla
Yes No
No
TW Elev. (fill
=
0.00
Note. Culver i6ce ororms are
analyzed
under inlet rc) and
outlet led) control, Weir nears checked for entice conditions (o) and submergence (s).
Stage I Storage I Discharge Table
Stage
Storage Elevation
Clv A
CIv B
clv C
PrfRsr
Wr A
Wr B Wr C
Wr D
Exfil User Total
ft
cuft ft
cfs
cfs
cfs
cfs
cfs
cfs cfs
cfs
cis cis cfs
0.00
0 20.50
0.00
0.00
--
--
0.00
0.00 ---
--
-- --- 0.00
0.05
1,788 20.55
0.02 is
0.01 is
---
---
0.00
0.00 ---
--
-- --- 0.01
0.10
3,576 20.60
0.03 is
0.02 is
---
---
0.00
0.00 ---
---
-- --- 0.02
0.15
5,364 20.65
0.06 is
0.05 is
---
0.00
0.00 ---
---
--- --- 0.05
0.20
7,152 20.70
0.08 is
0.08 is
---
--
0.00
0.00 ---
---
- -- 0.08
0.25
8,940 20.75
0.12 is
0.12 is
---
0.00
0.00 ---
---
--- -- 0.12
0.30
10,728 20.80
0.16 is
0.15 is
--
---
0.00
0.00 ---
---
--- -- 0.15
0.35
12,516 20.85
0.18 is
0.18 is
---
---
0.00
0.00 --
--
- -- 0.18
0.40
14,304 20.90
0.20 is
0.20 is
--
---
0.00
0.00 ---
--- 0.20
0.45
16,092 20.95
0.22 is
0.22 is
---
---
0.00
0.00 ---
--
- --- 0.22
0.50
17,880 21.00
0.24 is
0.24 is
---
---
0.00
0.00 ---
---
--- --- 0.24
0.60
21,873 21.10
0.29 is
0.28 is
--
---
0.00
0.00 ---
---
--- --- 0.28
0.70
25,866 21.20
0.32 is
0.31 is
--
--
0.00
0.00 --
---
-- -- 0.31
0.80
29,859 21.30
0.35 is
0.33 is
---
---
0.00
0.00 ---
---
--- --- 0.33
0.90
33,852 21.40
0.35 is
0.35 is
---
---
0.00
0.00 --
---
--- --- 0.35
1.00
37,845 21.50
0.38 is
0.38 is
---
---
0.00
0.00 ---
---
--- --- 0.38
1.10
41,837 21.60
0.41 is
0.40 is
--
--
0.00
0.00 --
---
-- --- 0.40
1.20
45,830 21.70
0.44 is
0.42 is
---
--
0.00
0.00 ---
---
--- --- 0.42
1.30
49,823 21.80
0.44 is
0.44 is
---
---
0.00
0.00 ---
---
--- --- 0.44
1.40
53,816 21.90
0.73 is
0.44 is
---
---
0.00
0.26 --
--
- --- 0.71
1.50
57,809 22.00
1.58 iC
0.43 is
---
--
0.00
1.15 --
--
- -- 1.58
1.60
62,129 22.10
2.81 iC
0.41 is
---
---
0.00
2.39 --
-- 2.80
1.70
66,448 22.20
4.30 is
0.39 is
---
---
0.00
3.89 ---
---
--- --- 4.28
1.80
70,767 22.30
6.06 is
0.37 is
--
-
0.00
5.62 --
---
----- 5.99
1.90
75,086 22.40
7.96 is
0.35 is
--
--
0.00
7.54 ---
---
- -- 7.90
2.00
79,405 22.50
10.00 is
0.33 is
---
-
0.00
9.57 s ---
---
--- --- 9.90
2.10
83,724 22.60
11.58 is
0.31 is
---
---
0.00
11.27 s --
---
--- --- 11.58
2.20
88,043 22.70
13.11 is
0.30 is
---
---
0.05
12.76 s ---
---
------ 13.11
2.30
92,362 22.80
15.07 is
0.25 is
---
---
1.75
13.06 s --
---
--- -- 15.06
2.40
96,681 22.90
16.85 is
0.19 is
---
---
4.62 s
12.04 s ---
---
--- --- 16.85
2.50
101,001 23.00
10.02 is
0.15 is
---
---
6.63 s
11.23 s ---
---
--- --- 18.02
2.60
105,561 23.10
18.89 is
0.13 is
---
---
8.05 s
10.72 s ---
---
-- -- 18.89
2.70
110,121 23.20
19.63 is
0.11 is
--
---
9.17 s
10.35 s --
--
-- -- 19.63
2.80
114,681 23.30
20,29 is
0.09 is
---
---
10.11 s
10.085 ---
---
-- -- 20.29
2.90
119,242 23.40
20.91 is
0.08 is
---
---
10.92 s
9.88 s --
---
--- --- 20.89
3.00
123,802 23.50
21.49 is
0.07 is
--
-
11.66 s
9.75 s --
---
--- --- 21.48
3.10
128,362 23.60
22.04 is
0.07 iC
---
--
12.32 s
9.65 s --
---
--- -- 22.04
3.20
132,922 23.70
22.58 is
0.06 is
--
---
12.91 s
9.57 s ---
---
--- --- 22.54
Continues on next page...

5
WET DETENTION
BASIN
Stage I
Storage/ Discharge Table
Stage
Storage
Elevation
CIvA
CIvB
CIvC
PrfRSr WrA
WrB
WrC
WrD Exfll User Total
ft
cuft
ft
cis
cis
cis
cfs cis
cis
cis
cis cis On cis
3.30
137,483
23.80
23.10 is
0.06 is
--
- 13.48 s
9.54 s
--
-- -- --- 23.08
3.40
142,043
23.90
23.60 is
0.05 is
---
--- 14.00 s
9.51 s
---
--- --- --- 23.56
3.50
146,603
24.00
24.09 is
0.05 is
---
--- 14.52 s
9.51 s
---
--- --- --- 24.08
3.60
151,410
24.10
24.57 is
0.05 is
--
-- 14.98 s
9.51 s
---
- -- --- 24.53
3.70
156,217
24.20
25.03 is
0.04 is
---
--- 15.41 s
9.51 s
---
--- --- --- 24.97
3.80
161,024
24.30
25.49 is
0.04 is
---
--- 15.87 s
9.55 s
---
- -- -- 25.46
3.90
165,831
24.40
25.94 is
0.04 is
--
- 16.26 s
9.57 s
--
--- --- --- 25.87
4.00
170,638
24.50
26.38 is
0.04 is
---
--- 16.68 s
9.61 s
---
--- --- - 26.33
4A0
175,445
24.60
26.81 is
0.04 is
--
-- 17.07 s
9.65 s
--
- -- -- 26.76
4.20
180,252
24.70
27.24 is
0.03 is
---
--- 17.46 s
9.70 s
---
- --- -- 27.20
4.30
185,059
24.80
27.66 is
0.03 is
---
--- 17.75 s
9.71 s
---
-- --- --- 27.48
4.40
189,866
24.90
28.07 is
0.03 is
---
--- 18.18 s
9.80 s
---
- -- --- 28.01
4.50
194,673
25.00
28.48 is
0.03 is
-
18.54 s
9.86 s
--
--- --- -- 28.43
4.60
199,733
25A 0
28.88 is
0.03 iC
---
-- 18.82 s
9.89 s
---
--- -- -- 28.74
4.70
204,792
25.20
29.27 is
0.03 iC
--
- 19.19 s
9.96 s
---
- -- --- 29.18
4.80
209,852
25.30
29.66 is
0.03 is
---
--- 19.49 s
10.01 s
---
--- --- --- 29.52
4.90
214,911
25.40
30.05 io
0.03 is
---
--- 19.72 s
10.03 s
---
-- --- --- 29.77
5.00
219,971
25.50
30.42 1c
0.02 is
--
-- 20.10 s
10.12 s
--
- -- - - 30.25
5.10
225,030
25.60
30.80 is
0.02 is
---
--- 20.43 s
10.20 s
---
--- -- --- 30.65
5.20
230,090
25.70
31.17 is
0.02 is
---
--- 20.71 s
10.25 s
--
-- -- --- 30.98
5.30
235,149
25.80
31.53 is
0.02 is
--
- 20.93 s
10.27 s
--
--- --- --- 31.22
5.40
240,209
25.90
31.90 is
0.02 is
---
--- 21.39 s
10.42 s
--
--- --- --- 31.83
5.50
245,269
26.00
32.25 is
0.02 is
--
- 21.50 s
10.41 s
--
-- --- --- 31.93
...End

Storm Sewer Tabulation
• Page f
Station
Len
Dmg Area
Rnoff
Area x C
Tc
Rain
Total
Cap
Vel
Pipe
Invert Elev
HGL Elev
Gmd / Rim Elev
Line ID
Incr Total
coeff
(1)
Row
full
Line
7o
Incr
Total
Inlet
Syst
Size
Slope
Dn
Up
Dn
Up
Dn
Up
Line
(fill
(ac) (ac)
(C)
(min)
(min)
(init r)
(cfs)
(cfs)
(ft/s)
(in)
(%)
(ft)
(it)
(ft)
(ft)
(it)
(ft)
1
End
254
0.00
5.35
0.00
0.00
3.52
5.0
10.5
6.2
21.92
70.51
4.73
36
0.66
19.70
21.38
22.46
22.87
0.00
27.39
2-1
2
1
43
0.00
5.35
0.00
0.00
3.52
5.0
10.3
6.3
22.05
16.26
4.49
30
0.09
21 A0
21.44
23.90
23.94
27.39
27.39
3-2
3
2
86
0.51
5.35
0.78
0.40
3.52
5-0
9.8
6.3
22.20
23.70
4.52
30
0.20
21.44
21.61
24.25
24.40
27.39
26.57
4-3
4
3
204
0.51
4.33
0.70
0.36
2.72
5.0
8.7
6.3
17A8
23.90
3.50
30
0.20
21.61
22.02
25.01
25.22
26.57
26.79
5-4
5
4
212
0.80
3.31
0.70
0.56
2.01
5.0
7.5
6.3
12.68
16.14
4.04
24
0.30
22.02
22.66
25.50
25.90
26.79
26.90
6-5
6
5
100
0.00
1.78
0.00
0.00
0.98
5.0
6.9
6.3
6.20
16.10
1.97
24
0.30
22.66
22.96
26.47
26.52
26.90
27.49
7-6
7
6
100
0.19
1.78
0.57
0.11
0.98
&0
6.4
6.3
6.20
16.10
1.97
24
0.30
22.96
23.26
26.54
26.59
27.49
27.72
8-7
8
7
103
0.00
1.42
0.00
0.00
0.73
5.0
5.8
6.3
4.63
7.49
2.62
18
0.30
23.26
23.57
26.68
26.80
27.72
28.67
9-8
9
8
108
0.20
1.42
0.74
0.15
0.73
5.0
5.2
6.3
4.63
4.57
3.77
15
0.30
23.57
23.89
26.84
27.17
28.67
27.82
10-9
10
9
35
1.22
1.22
0.48
0.59
0.59
5.0
5.0
6.3
3.69
4.71
3.01
15
0.31
23.89
24.00
27.58
27.65
27.82
27.82
11-10
11
3
35
0.51
0.51
0.78
0.40
0.40
5.0
5.0
6.3
2.51
4.71
2.04
15
0.31
21.61
2112
25.13
25.16
26.57
26.57
12-4
0.70
0.36
0.36
5.0
5.0
6.3
2.25
4.71
1.83
15
0.31
22.02
22.13
25.64
25.67
26.79
26.79
13-5
12
4
35
0.51
0.51
13
5
35
0.73
0.73
0.64
0.47
0.47
5.0
5.0
6.3
2.95
4.71
2.40
15
0.31
22.66
22.77
26.44
26.49
26.90
26.90
14-6
14
7
35
0.17
0.17
0.83
0.14
0.14
5.0
5.0
6.3
0.89
4.71
0.73
15
0.31
23.25
23.37
26.73
26.73
27.72
27.72
15-8
Project File: 2015-02-06 STORM 15-t.stm
Number of lines: 14
Run Date: 03-23-2015
NOTES: Intensity = 121.80 / (Inlet time + 23.50) " 0.84; Return period = 10 Yrs. ; c = cir e = ellip b = box
Hydrafim Storm Sewers 2008 vt 2 01

Storm Sewer Tabulation
Page t
Station
Len
Drng Area
Rnoff
Area x C
Tc
Rain
Total
Cap
Val
Pipe
Invert Elev
HGL Elev
Gmd / Rim Elev,
Line ID -•
Incr Total
coeff
(I)
flow
full
Line
To
LLine
Incr
Total
Inlet
Syst
Size
Slope
Dn
Up
Dn
Up
Dn
Up
(ft)
(ac) (ac)
(C)
(min)
(min)
(in/hr)
(cfs)
(cfs)
(fUs)
(in)
N
(ft)
(ft)
(ft)
(ft)
(ft)
(ft)
1
End
254
0.00
4.28
0.00
0.00
2.66
5.0
8.4
6.3
16.80
68.60
4.08
36
0.63
19.70
21.29
22.46
22.60
0.00
27.39
17-16
2
1
43
0.00
4.28
0.00
0.00
2.66
5.0
8.2
6.3
16.80
29.32
5.29
30
0.30
21.31
21.44
22.92
22.92
27.39
27.39
18-17
3
2
95
0.51
4.28
0.78
0.40
2.66
5.0
7.7
6.3
16.80
23.84
3.80
30
0.20
21.44
21.63
23.62
23.69
27.39
26.55
19-18
4
3
200
0.56
3.26
0.74
0.41
1.87
5.0
6.6
6.3
11.78
16.10
3.75
24
0.30
21.63
22.23
24.06
24.38
26.55
26.55
20-19
5
4
158
0.00
1.71
0.00
0.00
0.96
5.0
5.7
6.3
6.05
16.04
1.92
24
0.30
22.23
22.70
24.87
24.93
26.55
27.42
21-20
6
5
88
0.86
1.71
0.65
0.56
0.96
5.0
5.2
6.3
6.05
4.56
4.93
15
0.30
22.70
22.96
24.95
25.40
27.42
26.55
22-21
7
6
35
0.85
0.85
0.47
0.40
0.40
5.0
5.0
6.3
2.52
4.71
2.05
15
0.31
22.96
23.07
26.28
26.31
26.55
26.55
23-22
8
3
35
0.51
0.51
0.78
0.40
0.40
5.0
5.0
6.3
2.51
4.71
2.04
15
0.31
21.63
21.74
24.21
24.24
26.55
26.55
24-19
9
4
35
0.99
0.99
0.50
0.50
0.50
5.0
5.0
6.3
3.12
4.71
2.54
15
0.31
22.23
22.34
24.82
24.87
26.55
26.55
25-20
Project File: 2015-02-03 STORM 25-16.stm
Number of lines: 9
Run Date: 03-23-2015
NOTES: Intensity = 121.80 / (Inlet time + 23.50) " 0.84; Return period = 10 Yrs. ; c = cir e = ellip b = box
F1y42flOw Srotpl Sewers zwo vi zvi

Storm Sewer Tabulation
Page 1
Station
Len
Drng Area
Rnoff
Area x C
Tc
Rain
Total
Cap
Val
Pipe
Invert Elev
HGL Elev
Gmd I Rim Elev
Line ID '
Incr Total
coeff
(1)
flow
full
Line
To
Incr
Total
Inlet
Syst
Size
Slope
Dn
Up
On
Up
On
Up
Line
(ft)
(ac) (ac)
(C)
(min)
(min)
(inlhr)
(cfs)
(cfs)
(fUs)
(in)
N
(it)
(ft)
(ft)
(ft)
(it)
(ft)
1
End
179
0.58
2.87
0.61
0.35
1.72
5.0
5.6
6.3
10.87
12.41
3.46
24
0.30
19.96
20.50
22.46
22.87
0.00
24.58
27-26
2
1
90
1.24
2.29
0.52
0.64
1.37
5.0
5.1
6.3
8.64
12.37
2.75
24
0.30
20.50
20.77
23.04
23.17
24.58
24.80
28-27
3
2
25
1.05
1.05
0.69
0.72
0.72
5.0
5.0
6.3
4.57
5.98
2.59
18
0.32
20.77
20.85
23.36
23.40
24.80
24.80
29-28
Project File: 2015-01-01 STORM 29-26.stm
Number of lines: 3
Run Date: 03-23-2015
NOTES: Intensity = 121.801 (Inlet time + 23.50) ^ 0.84; Return period = 10 Yrs. : c = cir e = ellip b = box
Hydrem Storm Sewers 2008 vrtm

ECS CAROLINAS, LLP 'Sertlrzymr?Ste-rnfardfor Swvlaa'
Z =. . G^7techrnral • ConsinictJon Malarial. • srtarnnmrnrai • Facilities e
February 10, 2014
Mr. Gary Pape, P.E.
GSP Consulting, PLLC
6626 Gordon Road
Wilmington, North Carolina 28411
Reference: Report of Seasonal High Water Table Estimation
The Oaks at Sloop Point PH 2
Sloop Point, Pender County, North Carolina
ECS Project No. 22.20203
Dear Mr. Pape:
ECS Carolinas, LLP (ECS) recently conducted an estimation of the Seasonal High Water Table
(SHWT) for the proposed stormwater best management practice (BMP) areas at the Oaks at
Sloop Point PH 2 in Sloop Point, Pander County, North Carolina. This letter, with attachments,
is the report of our estimation.
Field Testing
On February 5, 2014, ECS conducted an exploration of the subsurface soil and SHWT
conditions at one requested location shown on the attached Boring Location Plan (Figure 1).
The purpose of this exploration was to estimate the SHWT of the in place soils for the design of
for the proposed stormwater BMP area. ECS met with Mr. Garry Pape on site in order to locate
the boring. ECS explored the subsurface soil and groundwater conditions by advancing one
hand auger boring into the existing ground surface at the requested boring location. ECS
visually classified the subsurface soils and obtained representative samples of each soil type
encountered. ECS recorded the SHWT and groundwater level observed at the time of the hand
auger boring. The attached SHWT sheet provides a summary of the subsurface conditions
encountered at the hand auger boring location.
The groundwater level and the SHWT were estimated at the boring location below the existing
grade elevation. Below is a summary of each boring location.
_--
G 7UA1
Lt7caI1"�i't�
_ —
,af.
_ SM'fVU7t.—
__
GroutldvJatel`s ,! -
B-1
40 inches
65 inches
The SHWT may vary within the proposed site due to changes in subsurface conditions and
elevation.
i':nP. Ril it t- i. V� bmr•r;b •n ^lLf'-11 r; '. r ...- • t 7 .: !<il) n"n+y;:�rr:r•i-N !.• .r:,

Report of SHWT Estimation
` The Oaks at Sloop Point Ph 2
Sloop Point, Ponder County, North Carolina
ECS Project No. 22.20203
February 10, 2014
Closure
The activities and evaluative approaches used in this assessment are consistent with those
normally employed in assessments of this type. Our testing of site conditions has been based on
our understanding of the project information and the data obtained during our field activities.
ECS appreciates the opportunity to provide our services to you on this project. If you have any
questions concerning this report or this project, please contact us at [phone].
Respectfully,
ECS CAROLINAS, LLP
I
kw��
K. Brooks Wall
Project Geologist
Attachments: Boring Location Plan
SHWT sheet
q, ?4—�
Kris J. Stamm
Principal

nY
i'}�'WI.�•t'��r r � e. ��. r•. 71)%��I lPi .I��yj`9Y����� ti�
.- I�M ;. ti —Y .-.di ..'y,;,I��_.}} •,.�. n ..,1 _.,I .IIy,I.�nrn'�11ys�.'nIJ: �I�,.M y� y{, j ••h:C .l, °' '� 111 '1... L J II {I .. jI �.�•IJ l L J: •--/in/ 'C1.
1 �Y �ff
I I
� I
0 APPROXIMATE BORING LOCATION
NOT TO SCALE
The Oaks at Sloop Point PH2
Sloop Point, Ponder County,
North Carolina
ECS Project # 20203
February 5, 2014
KBW
Figure 1— Boring Location Plan
Provided by: GSP Consulting

Ll
Seasonal High Water Table Estimation
The Oaks at Sloop Point Ph 2
Sloop Point, Pender Co., North Carolina
ECS Project No. 22.20203
February 10, 2014
Location Depth
B-1 0-20"
20"-32"
32"-48"
48"-70"
Soil Description
Brown silty SAND
Gray fine SAND w silt
Gray/orange clayey SAND
Gray/orange fine SAND w silt
Seasonal High Water Table was estimated to be at 40 inches below the
existing grade elevation.
Groundwater was encountered at 65 inches below the existing grade
elevation.

GSP CONSULTING
September 18, 2015
Pender County
Planning and Community Development
805 S. Walker Street
Burgaw, NC 29425
Re: Wyndwater — Phase 2B
Project Narrative
Dear Mr. Meredith:
404'J(r sf
1
This phase of the Wyndwater project is a revision to the previously approved Phase 2.
This phase of the project will increase the total unit count of Phase 2 from 56 lots to 63
lots. This phase of the project will also include a Public waterline extension and a sewer
main extension that will be owned and maintained by Pluris, LLC. The primary
stormwater measures for this site will be a closed conduit system that will direct the
runoff to a proposed wet detention basin that will be designed to control the peak runoff
from the 10-year storm event and will be analyzed for the 100-year storm event to
prevent flooding of the proposed development. This project will require approvals from
DENR-Public Water Supply Section for the water line extension, NCDOT for the
subdivision street, NCDENR-Division of Water Resources for the sewer extension &
NCDENR-Division of Energy, Mineral and Land Resources for Stormwater & Erosion &
Sediment Control. The traffic for this phase of the development are estimated to be
approximately 603 total daily trips with 47 in the AM peak hour and 64 in the PM peak
hour based on the ITE Trip Generation Manual 81h edition using ITE Code 210 for single
family homes.
Please contact me immediately at [phone] or gpape@asp-consultingcom if you
have any questions or require additional information.
Sincerely,
GSP CONSULTING, PLLC.
Garry S. Pape, P.E.
6626 Gordon Road, Unit C Wilmington, North Carolina 28411 tel: [phone] fax: [phone]

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