SW8110227_Historical File_20110624

A7A
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
June 24,2011
Gary Parker,Town Administrator
Town of Sunset Beach
700 Sunset Boulevard North
Sunset Beach, NC 28468
Subject: State Stormwater Management Permit No.SW8 110227
Sunset Beach BAA
High Density Commercial infiltration Basin Project
Brunswick County
Dear Mr. Parker:
The Wilmington Regional Office received a complete State Stormwater Management Permit Application for Sunset
Beach BAA on June 15,2011. Staff review of the plans and specifications has determined that the project, as
proposed,will comply with the Stormwater Regulations set forth in Session Law 2008-211 and Title 15A NCAC
2H.1000. We are forwarding Permit No. SW8 110227 dated June 24, 2011,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 June 24, 2021, and shall be subject to the conditions and
limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this
permit. Failure to establish an adequate system for operation and maintenance of the stormwater management
system will result in future compliance problems.
If any parts, requirements,or limitations contained in this permit are unacceptable,you have the right to request an
adjudicatory hearing by filing a petition with the Office of Administrative Hearings(OAH). The 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. A petition is considered filed when it is received in the Office of Administrative Hearings during
normal office hours.The OAH accepts filings Monday through Friday between the hours of 8:00 a.m.and 5:00 p.m.,
except for official state holidays. The petition may be filed by facsimile(fax)or electronic mail by an attached file
(with restrictions)-provided the signed original,one(1)copy and a filing fee(if a filing fee is required by NCGS
§150B-23.2)is received in the OAH within seven(7)business days following the faxed or electronic transmission.
Unless such demands are made this permit shall be final and binding.You should contact the OAH with all questions
regarding the filing fee and/or the details of the filing process. The mailing address,telephone and fax numbers for
the Office of Administrative Hearings are:6714 Mail Service Center, Raleigh, NC 27699-6714. Telephone 919-733-
2698. FAX [phone].
If you have any questions,or need additional information concerning this matter, please contact Linda Lewis at(910)
796-7215.
Sincerely,
(.4f,thiv-t-LQsc64
or Coleen Sullins, Director
Division of Water Quality
GDS/arl: S:1WQS1StormwaterrPermits&Projects120111110227 HD1201106 permit 110227
cc: Tom Covington, P.E., NCWRC
Town of Sunset Beach Building Inspections
Brunswick County Engineering
Debbie Wilson, DCM Wilmington
Wilmington Regional Office Stormwater File
Wilmington Regional Office
127 Cardinal Drive Extension,Wilmington,North Carolina 28405 One �+Phone:[phone] FAX:[phone] Customer Service:1-877-623-6748 N ¢Carollina
Internet:www.ncwaterquality.org ` `iira/
ly
An Equal Opportunity\Affirmative Action Employer

State Stormwater Management Systems
Permit No. SW8 110227
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY COMMERCIAL DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of
North Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Town of Sunset Beach
Sunset Beach BAA
101 Sunset Boulevard, Sunset Beach, Brunswick County
FOR THE
construction, operation and maintenance of one (1) infiltration basin in compliance with
the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter
collectively and separately referred to as the "stormwater rules') and the approved
stormwater management plans and specifications and other supporting data as
attached and on file with and approved by the Division of Water Quality and considered
a part of this permit.
This permit shall be effective from the date of issuance until June 24, 2021, and shall
be subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater
runoff as described in Section 1.8 on page 3 of this permit. The stormwater
control has been designed to handle the runoff from 35,255 square feet of
impervious area.
3. This basin has been designed to handle the 10 year 24 hour storm volume
without discharging; therefore, the offline bypass and vegetated filter strip are
waived.
4. The tract will be limited to the amount of built-upon area indicated in Section i.8
of this permit, and as shown on the approved plans.
5. All stormwater collection and treatment systems must be located in either
dedicated common areas or recorded easements. The final plats for the project
will be recorded showing all such required easements, in accordance with the
approved plans.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 110227
6. The runoff from all built-upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system.
7. The project shall provide a 50' wide vegetated buffer 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.
8. The following design criteria have been permitted for the infiltration basin and
must be provided and maintained at design condition:
a. Drainage Area, ocres: 1.31
Onsite, ft : 57,050
Offsite, ft2: 0
b. Total Impervious Surfaces, ft2: 35,255
Onsite, ft : 35,255
Offsite, ft2: 0
c. Design Storm, inches: 6.99
d. Basin Depth, feet: 3.0
e. Bottom Elevation, FMSI_.: 12.0
f. Bottom Surface Area, fr: 4,806
g. Bypass Weir Elevation, FMSI3: N/A (waived)
h. Permitted Storage Volume, ft : 19,988
Type of Soil: fine sand
j. Expected Infiltration Rate, in/hr: 23
k. Seasonal High Water Table, FMSL: 10.0
I. Time to Draw Down, hours: 5
m. Receiving Stream/River Basin: ICWW/ LBR59
n. Stream Index Number: 15-25
o. Classification of Water Body: "SA HQW"
II. SCHEDULE OF COMPLIANCE
1. 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.
2. During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
3. The permittee shall at all times provide the operation and maintenance
necessary to assure the permitted stormwater system functions at optimum
efficiency. The approved Operation and Maintenance Plan must be followed in
its entirety and maintenance must occur at the scheduled intervals including, but
not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
c. Mowing and revegetation of slopes and the vegetated filter.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and
specifications.
f. Debris removal and unclogging of bypass structure, infiltration media, flow
spreader, catch basins, piping and vegetated filter.
g. A clear access path to the bypass structure must be available at all times.
4. The facilities shall be constructed as shown on the approved plans. This permit
shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other
supporting data.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 110227
5. If the stormwater system was used as an Erosion Control device, it must be
restored to design condition prior to operation as a stormwater treatment device,
and prior to occupancy of the facility.
6. A copy of the approved plans and specifications shall be maintained on file by
the Permittee for a minimum of ten years from the date of the completion of
construction.
7. Records of maintenance activities must be kept for each permitted BMP. The
reports will indicate the date, activity, name of person performing the work and
what actions were taken.
8. Upon completion of construction, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received
from an appropriate designer for the system installed certifying that the permitted
facility has been installed in accordance with the conditions of 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.
9. Access to the stormwater facilities shall be maintained via appropriate
easements at all times.
10. 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.
11. The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction.
12. The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements. The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made.
III. GENERAL CONDITIONS
1. Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
2. This permit is not transferable to any person or entity except after notice to and
approval by the Director. At least 30 days prior to a change of ownership, or a
name change of the project or of the permittee or a mailing address change, the
permittee shall submit a completed and signed Name/Ownership Change form to
the Division of Water Quality, accompanied by the appropriate documentation as
listed on the form. The approval of this request will be considered on its merits
and may or may not be approved.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 110227
3. 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 shall
constitute an approved transfer request.
4. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the Division of Water Quality, in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
5. 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.
6. In the event that the facilities fail to perform satisfactorily, including the creation
of nuisance conditions, the Permittee shall take immediate corrective action,
including those as may be required by this Division, such as the construction of
additional or replacement stormwater management systems.
7. The permittee grants DENR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
8. The permit issued shall continue in force and effect until revoked or terminated.
The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and reissuance or
termination does not stay any permit condition.
9. Unless specified elsewhere, permanent seeding requirements for the stormwater
controls must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual.
10. The issuance of this permit does not prohibit the Director from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit
as allowed by the laws, rules and regulations contained in Session Law 2008-
211, Title 15A NCAC 2H.1000, and NCGS 143-215.1 et. al.
11. The permittee shall submit a permit renewal application at least 180 days prior to
the expiration date of this permit. The renewal request must include the
appropriate documentation and the processing fee.
Permit issued this the 24th day of June 2011.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
for Cole H. u ins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 110227
Sunset Beach BAA
Stormwater Permit No. SW8 110227
Brunswick County
Designer's Certification
I, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/weekly/full
time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
SEAL
Signature
Registration Number
Date
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 110227
Certification Requirements:
1. The drainage area to the system contains approximately the permitted
acreage.
2. The drainage area to the system contains no more than the permitted
amount of built-upon area.
3. All the built-upon area associated with the project is graded such that the
runoff drains to the system.
4. All roof drains are located such that the runoff is directed into the system.
5. The bypass structure weir elevation is per the approved plan.
6. The bypass structure is located per the approved plans.
7. A Trash Rack is provided on the bypass structure.
8. All slopes are grassed with permanent vegetation.
9. Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause short-
circuiting of the system.
11. The permitted amounts of surface area and/or volume have been
provided.
12. All required design depths are provided.
13. All required parts of the system are provided.
14. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Town of Sunset Beach Building Inspections
Page 7 of 7

Permit Number: Slit) ll0 Z Z7
(to be provided by DWQ)
Drainage Area Number:
Infiltration 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.
Important maintenance procedures:
- The drainage area will be carefully managed to reduce the sediment load to the
infiltration basin.
- Immediately after the infiltration basin is established.the vegetation will be
watered twice weekly if needed until the plants become established(commonly
six weeks).
- No portion of the infiltration basin will be fertilized after the initial fertilization
that is required to establish the vegetation.
- The vegetation in and around the basin will be maintained at a height of
approximately six inches.
After the infiltration basin is established,it will be inspected once a quarter and within
24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal
County). Records of operation and maintenance will be kept in a known set location
and will be available upon.request.
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
BMP element: Potential problem: How I will remediate the problem:
The entire BMP Trash/debris is present. Remove the trash/debris.
The perimeter of the Areas of bare soil and/or Regrade the soil if necessary to
infiltration 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.
The inlet device: pipe or The pipe is clogged(if Unclog the pipe. Dispose of the
swale applicable). sediment off-site.
The pipe is cracked or Replace the pipe.
otherwise damaged(if
applicable).
Erosion is occurring in the Regrade the swale if necessary to
swale(if applicable). smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion.
-RECEIVED
APR 2 7 n 2011
BY
Form SW401-Infiltration Basin O&M-Rev.3 . Page 1 of 3

BMP element: Potential problem: How I will remediate the problem:
The forebay Sediment has accumulated Search for the source of the
and reduced the depth to 75% sediment and remedy the problem if
of the original design depth. possible. Remove the sediment and
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Erosion has occurred or Provide additional erosion
riprap is displaced. protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problems.
Weeds are present. Remove the weeds,preferably by
hand. If pesticides are used,wipe
them on the plants rather than
spraying.
The main treatment area A visible layer of sediment Search for the source of the
has accumulated. 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. Replace any media that
was removed in the process.
Revegetate disturbed areas
immediately.
Water is standing more than Replace the top few inches of filter
5 days after a storm event. media and see if this corrects the
standing water problem. If so,
revegetate immediately. If not,
consult an appropriate professional
for a more extensive repair.
Weeds and noxious plants are Remove the plants by hand or by
growing in the main wiping them with pesticide(do not
treatment area. spray).
The embankment Shrubs or trees have started Remove shrubs or trees
to grow on the embankment. immediately.
An annual inspection by an Make all needed repairs.
appropriate professional
shows that the embankment
needs repair.
The outlet device Clogging has occurred. Clean out the outlet device. Dispose
of the sediment off-site.
The outlet device is damaged Repair or replace the outlet device.
The receiving water ' Erosion or other signs of Contact the NC Division of Water
damage have occurred at the Quality 401 Oversight Unit at 919-
outlet. 1733-17S6. J
RECEIVED
APR 2 7.2011
Form SW401-Infiltration Basin O&M-Rev.3 BY: Page 2 of 3

Permit Number: ..%u O f f d Z Z 7
(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 name:Sunset Beach Boating Access Area
BMP drainage area number:!
Print name: (:;;;UA)f7 a r t(e or-
Title: wvt et wt i vt c.* o
Address: lop urlsefi BIvd) Nor- 3dvr5-f Oeap.GA MC- 2$11-�g
Phone: 910 -, 5'75— aR7
Signature:
Date: 4p.-i I Lr) nr
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
I, • AN i w1 , a Notary Public for the State of
t c L C_.(tzli nA , County of e itLr ij i ck ,do hereby certify that
Co PkilmR 2ke.2 personally appeared before me this
day of 14.E I.' pc 1% I , aoI J , and acknowledge the due execution of the
forgoing infiltration basin maintenance requirements. Witness my hand and official seal,
•
t 07e.A.0601--'. 4. 0,0,6,1_,
•
M s_�
SEAL
My commission expires "rea7 30! o�o/ I
RECEIVED
APR 2 7.2011
Form SW401-Infiltration Basin O&M-Rev.3 BY: Paige 3 of 3

DWQ USE ONLY
�/�/ Date
1Received �/�/ r/� Q .��/� Fee Paid /'�i //Pe^rrmiit Number
Z=�201I Ca ) 4-r7-Z i/ \1�) ^ r- Irma LTransi�' 5W V /!0
Applicable Rules: ❑Coastal SW-1995 NrCoastal SW-2008 ❑Ph II-Post Construction
(select all that apply) ❑Non-Coastal SW-HQW/ORW Waters ❑Universal Stormwater Management Plan
❑Other WQ Mgmt Plan:
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
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.):
Sunset Beach Boating Access Area
2. Location of Project(street address):
101 Sunset Blvd
City:Sunset Beach County:Brunswick Zip:28468
3. Directions to project(from nearest major intersection):
From the intersection of Hwy 904 and Hwy 179 in Seaside,take 904 South towards Sunset beach. Follow
904/Sunset Boulevard until it dead ends at the water.
4. Latitude:33°52'56.47"N Longitude:78°30'40.18"W of the main entrance to the project.
II. PERMIT INFORMATION:
1.a.Specify whether project is(check one): New ['Modification
b.If this application is being submitted as the result of a modification to an existing permit,list the existing
permit number ,its issue date(if known) ,and the status of
construction: ['Not Started ❑Partially Completed* ❑Completed* *provide a designer's certification
2. Specify the type of project(check one):
DLow Density ZHigh Density ['Drains to an Offsite Stormwater System ❑Other
3. If this application is being submitted as the result of a previously returned application or a letter from DWQ
requesting a state stormwater management permit application,list the stormwater project number,if
assigned,N/A and the previous name of the project,if different than currently
proposed,N/A
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):
CAMA Major Sedimentation/Erosion Control: ac of Disturbed Area
DNPDES Industrial Stormwater i/404/401 Permit:Proposed Impacts
b.If any of these permits have already been acquired please provide the Project Name,Project/Permit Number,
issue date and the type of each permit:CAMA Major-117-10,401 Water Quality Certification#3846
COW SAW-2009-01206 General Permit 198000291
RECEIVED
I VED
APR 27.2011
BY:
Form SWU-101 Version 07Jun2010 Page 1 of 41

III. CONTACT INFORMATION
1.a.Print Applicant/ Signing Official's name and title(specifically the developer,property owner,lessee,
designated government official,individual,etc.who owns the project):
Applicant/Organization:Gary Parker,Town of Sunset Beach
Signing Official&Title: C aaN Paa�� tovi►a Am%lotsntleft e-
b.Contact information for person listed in item la above:
Street Address:700 Sunset Boulevard North
City:Sunset Beach State:NC Zip:28468
Mailing Address(if applicable):
City: State: Zip:
Phone: (910 ) 579-6297 Fax: ( )
Email:[e-mail]
c.Please check the appropriate box.The applicant listed above is:
®The property owner(Skip to Contact Information,item 3a)
❑Lessee*(Attach a copy of the lease agreement and complete Contact Information,item 2a and 2b below)
❑Purchaser*(Attach a copy of the pending sales agreement and complete Contact Information,item 2a and
2b below)
❑Developer*(Complete Contact Information,item 2a and 2b below.)
2.a.Print Property Owner's name and title below,if you are the lessee,purchaser or developer. (This is the
person who owns the property that the project is located on):
Property Owner/Organization:
Signing Official&Title:
b.Contact information for person listed in item 2a above:
REC 'TAT
Street Address: -'
City: State: Zip: APR 4 7 2011
Mailing Address(if applicable): C •
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 Person/Organization:Tom Covington,PE,NC Wildlife Resources Commission
Si Official&Title:to M //t� sires f ' ' 1 Signing (..aJI�GRi�1 0�5�PiN .�r`1�Af�oJt7kt'1►?f
b.Contact information for person listed in item 3a above:
Mailing Address:1720 Mail Service Center
City:Raleigh State:NC Zip:27699-1720
Form SWU-101 Version 07Jun2010 Page 2 of 7

Phone: (919 ) 707-0154 Fax: (919 ) 707-0162
Email:[e-mail]
4. Local jurisdiction for building permits:N/A
Point of ContactN/A Phone#: ( )
IV. PROJECT INFORMATION
1. In the space provided below,briefly summarize how the stormwater runoff will be treated.
The site has been designed to capture as much as practical,and all stormwater within the drainage area will
sheet flow to an infiltration basin that has been designed so that no bypass,no filter strip,or no additional
storage volume is needed.
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 II-Post Construction
3. Stormwater runoff from this project drains to the Lumber River basin.
4. Total Property Area:1.77 acres 5. Total Coastal Wetlands Area:0 acres
6. Total Surface Water Area:0 acres
7. Total Property Area(4)-Total Coastal Wetlands Area(5)-Total Surface Water Area(6) =Total Project
Area+:1.77 acres
+ Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area
between the banks of streams and rivers, the area below the Normal High Water(NHW)line or Mean High Water
(MHW)line,and coastal wetlands landward from the NHW(or MHW )line. The resultant project area is used to
calculate overall percent built upon area(BUM). Non-coastal wetlands landward of the N (or MHVV)line may
be included in the total project area.
8. Project percent of impervious area:(Total Impervious Area/Total Project Area)X 100 =60 %
9. How many drainage areas does the project have?1 (For high density, count 1 for each proposed engineered
stormwater BMP. For low density and other projects,use 1 for 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.
RECEIVED
APR 2 7,2011
BY:
Form SWU-101 Version 07Jun2010 Page 3 of 7

Basin Information Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area_
Receiving Stream Name Intracoastal WW
Stream Class * SA/HQW
Stream Index Number* 15-25
Total Drainage Area(sf) 57050
On-site Drainage Area(sf) 57050
Off-site Drainage Area(sf) 0
Proposed Impervious Area**(sf) 35,255
% Impervious Area**(total) 61.8%
Impervious'Surface Area Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area_
On-site Buildings/Lots(sf) 0
On-site Streets (sf) • 17,763
On-site Parking (sf) 17492
On-site Sidewalks (sf) 0
Other on-site (sf) 0
Future(sf) 0
Off-site (sf) 0
Existing BUA***(sf) 0
Total (sf): 35,255
* Stream Class and Index Number can be determined at: http//portal.ncdenr.org/web/wq/ps/csu/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 amount of existing BUA that will remain after development. Do not report any existing BUA that
is to be removed and which will be replaced by new BUA.
11. How was the off-site impervious area listed above determined?Provide documentation.LUA
Projects in Union County: Contact DWQ 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 NCAC 02B.0600.
V. SUPPLEMENT AND O&M FORMS II��jj
The applicable state stormwater management permit supplement and operation and aintenance(0&1GIKOD
must be submitted for each BMP specified for this project. The latest versions of the f rms c4plip2111721ffided
from http://portal.ncdenr.org/web/wq/ws/su/bmp-manual.
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality(DWQ).
A complete package includes all of the items listed below. A detailed application instruction sheet and BMP
checklists are available from http://portal.ncdenr.org/web/wq/ws/su/statesw/forms docs. The complete
application package should be submitted to the appropriate DWQ Office. (The appropriate office may be
found by locating project on the interactive online map at http://portal.ncdenr.org/web/wq/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://portal.ncdenr.org/web/wq/ws/su/statesw/forms docs.
Initials
1. 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 VII below)
3. Original of the applicable Supplement Form(s)(sealed,signed and dated)and O&M irC
agreement(s)for each BMP.
•4. Permit application processing fee of$505 payable to NCDENR. (For an Express review,refer to
http://www.envhelp.org/pages/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.)
Form SWU-101 Version 07Jun2010 Page 4 of 7

5. A detailed narrative(one to two pages)describing the stormwater treatment/managementfor T�
the project. This is required in addition to the brief summary provided in the Project
Information,item 1.
6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the 'tCC,
receiving stream drains to class SA waters within 1/2 mile of the site boundary,include the 1/2
mile radius on the map.
7. Sealed,signed and dated calculations.115
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.
h. Identify all surface waters on the plans by delineating the normal pool elevation of
impounded structures,the banks of streams and rivers,the MHW or NHW line of tidal
waters,and any coastal wetlands landward of the MHW or NHW lines.
• Delineate the vegetated buffer landward from the normal pool elevation of impounded
structures,the banks of streams or rivers,and the MHW(or NHW)of tidal waters.
i. Dimensioned property/project boundary with bearings&distances.
j. Site Layout with all BUA identified and dimensioned.
k. Existing contours,proposed contours,spot elevations,finished floor elevations.
1. Details of roads,drainage features,collection systems,and stormwater control measures.
m.Wetlands delineated,or a note on the plans that none exist. (Must be delineated by a
qualified person. Provide documentation of qualifications and identify the person who
made the determination on the plans.
n. Existing drainage(including off-site),drainage easements,pipe sizes,runoff calculations.
o. Drainage areas delineated(included in the main set of plans,not as a separate document).
p. Vegetated buffers(where required).
9. 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"x11"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 DWQ to verify the SHWT prior
to submittal, [phone].)
10. A copy of the most current property deed.Deed book:2840 Page No:393 ITC
11. For corporations and limited liability corporations (LLC):Provide documentation from the NC WC<
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 NCAC 2H.1003(e).The
corporation or LLC must be listed as an active corporation in good standing with th- NC
Secretary of State,otherwise the application will be returned. 0
http://www.secretary.state.nc.us/Corporations/CSearch.aspx e+ /VED
VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS APR 2 7,2011
For all subdivisions,outparcels,and future development,the appropriate property re-;+• ons and protective
covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significan i :-•,.y• o•osed
BUA allocations vary,a table listing each lot number,lot size,and the allowable built-upon area must bebe p . d
as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and
protective covenants forms can be downloaded from
http://portal.ncdenr.org/web/wq/ws/su/statesw/forms docs.Download the latest versions for each submittal.
In the instances where the applicant is different than the property owner,it is the responsibility of the property
owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring
that the deed restrictions are recorded.
By the notarized signature(s)below,the permit holder(s)certify that the recorded property restrictions and
protective covenants for this project,if required,shall include all the items required in the permit and listed
on the forms available on the website,that the covenants will be binding on all parties and persons claiming
under them,that they will run with the land,that the required covenants cannot be changed or deleted
without concurrence from the NC DWQ,and that they will be recorded prior to the sale of any lot.
Form SWU-101 Version 07Jun2010 Page 5 of 7

VIII. 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:Tom Covington,PE'
Consulting Firm:NC Wildlife Resources Commission
Mailing Address:1720 Mail Service Center
City:Raleigh State:NC Zip:27699-1720
Phone: (919- ) 707-0154 Fax: (919 ) 707-0162
Email:[e-mail]
IX. PROPERTY OWNER AUTHORIZATION(if Contact Information,item 2 has been filled out,complete this
section)
I,(print or type name of person listed in Contact Information,item 2a) ,certify that I
own the property identified in this permit application,and thus give permission to (print or type name of person
listed in Contact Information,item la) with(print or type name of organization listed in
Contact Information,item la) to develop the project as currently proposed. A copy of
the lease agreement or pending property sales contract has been provided with the submittal,which indicates the
party responsible for the operation and maintenance of the stormwater system.
the legal property owner I acknowledge,understand,and agree by my signature below,that if my desi d
ag (entity listed in Contact Information,item 1) dissolves their company and/or cancels or defaults on eir
lease a ement,or pending sale,responsibility for compliance with the DWQ Stormwater permit rev back to
me,the pr rty owner.As the property owner,it is my responsibility to notify DWQ immediate) d submit a
completed Na a/Ownership Change Form within 30 days;otherwise I will be operating a st water treatment
facility without a alid permit. I understand that the operation of a stormwater treatment cility without a valid
permit is a violation af.NC General Statue 143-215.1 and may result in appropriate enf cement action including
the assessment of civil per )ties of up to$25,000 per day,pursuant to NCGS 143-2 .6.
Signature: Date:
a Notary Public for - State of ,County of
,do hereby certify that - t personally appeared
before me this_day of , ,-and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal,
SEAL
My commission expires
//7
I
sa- N PA4E Fo Q A4ouE" -rc-c"
E tEIVED
APR 2 7,2011
Form SWU-101 Version 07Jun2010 Page 6 of 7

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 DWQ Stormwater permit reverts back to
me,the property owner.As the property owner,it is my responsibility to notify DWQ immediately and submit a
completed Name/Ownership Change Form within 30 days;otherwise I will be operating a stormwater treatment
facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid
permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including
the assessment of civil penalties of up to$25,000 per day,pursuant to NCGS 143-215.6.Signature: Date: 4p v t 1 I tf) t
I, L,S0% t'k. i a1 ,a Notary Public for the State of 1\LO12 .. ,County of
-ur15-4):UC ,do hereby certify that Co Pt- ILA./ lam(}} tL tZ personally appeared
1
before me this T'Alay of A1/4e 2 i , (%61 1 ,and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal, d42LC'�, c + .
SEAL
My commission expires mQ� 30, c O
X. APPLICANT'S CERTIFICATION I,(print or type name of person listed in Contact Information,item la) Co (-PA 2\e.R
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 will be recorded,and that the proposed project complies with the requirements of the
applicable stormwater rules under 15A NCAC 2H.1000,SL 2006-246(Ph.II-Post Construction)or SL 2008-211.
Signature: ��,fie Date: H p v-; 1 11 g.o 1 t
I, L t S • lint ,a Notary Public for the State of 1\114_4 CA(Ldt;nA,County of
��k.) �j r Ctc ,do hereby certify that Co personally appeared
before me this day of Npti ` ,42CM,and ackno ledge the due execution of the application for
a stormwater permit. Witness my hand and official seal, ci
•
SEAL
'J My commission expires Z/k 36 o O I
•
RECEIVED
APR 272011
BY:
Form S WU-101 Version 07Jun20 10 Page of 6
7

Permit No.SW v(o 229-
(to be provided by DWQ)
,t\ �F wArEgQc
it � STORMWATER MANAGEMENT PERMIT APPLICATION FORM
NCDENR 401 CERTIFICATION APPLICATION FORM
441-IF,TRATION BASIN SUPPLEMENT
This form must be filled out,printed and submitted.
The Required Items Checklist(Part III)must be printed,filled out and submitted along with all of the required information.
I. PROJECT INFORMATION
Project Name Sunset Beach Boating Access Area
Contact Person Tom Covington,PE
Phone Number 919-707-0154
Date 21-Feb-11
Drainage Area Number 1
II. DESIGN INFORMATION
Site Characteristics
Drainage area 57,050.00 ftz
Impervious area � ,3069;00 ft2
Percent impervious (9/C,P 0.60 %
Design rainfall depth 6.99 in
Peak Flow Calculations
1-yr,24-hr rainfall depth 3.70 in
1-yr,24-hr intensity 0.16 in/hr
Pre-development 1-vr.24-hr discharge 1.36 ft3/sec
Post-development 1-yr,24-hr discharge 4.10 ft3/sec
Pre/Post 1-yr,24-hr peak flow control 2.74 ft3/sec
Storage Volume:Non•SA Waters
Minimum design volume required N/A ft3
Design volume provided NIA ft3 OK for non-SA waters
Storage Volume: SA Waters
1.5"runoff volume 4322.00 f
Pre-development 1-yr,24-hr runoff volume 2,873.00 ft3
Post-development 1-yr,24-hr runoff volume 10,662.00 ft3 II
Minimum required volume 7789.00 ft3
Volume provided 19,988.000 ft3
Soils Report Summary
Soil type fine sand granular
Infiltration rate 23.00 in/hr
SHWT elevation 10.00 fmsl
Basin Design Parameters
Drawdown time 0.20 days
Basin side slopes 3.00 :1 RECEIVED
Basin bottom elevation 12.00 fmsl •
Storage elevation 15.00 fmsl
Storage Surface Area 8,648.00 ft2
5 2011
Top elevation 15.00 fmsl JUN>1
basin Bottom Dimensions DWQ
Basin length 173.00 ft pBOd
Basin width 50.00 ft
Bottom Surface Area 4,086:00• ft2 t ®
Form SW401-Inf itralion Rasin•Rev.4 Parts I.&II.Design Summary,Page 1 of 2

Permit No. ZZq.
(to be provided by DWQ)
Additional Information
Maximum runoff to each inlet to the basin? N/A ac-in Maximum of 2 acre-inches allowed
Length of vegetative filter for overflow N/A ft OK
Distance to structure NIA ft OK
Distance from surface waters NIA ft OK
Distance from water supply wells) N/A ft OK
Separation from impervious soil layer N/A ft 0K
Naturally occuring soil above shwt 6.00 ft OK
Bottom covered with 4-in of clean sand? Y (Y or N) Oft
Proposed drainage easement provided? N/A (Y or N) OK
Capures all runoff at ultimate build-out? Y (Y or N) OK
Bypass provided for larger storms? N/A (Y or N) OK
Pretreatment device provided N/A
RE CEIVED
JUN:15 2011
DWQ
PROJ#
Form SW401-Info tratton Basin-Rev.4 Parts I.&II.Design Summary,Page 2 of 2

Permit No.S40 V//U ZZ?
(to be provided by DWQ)
Ill. 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.
Pagel Plan
Initials Sheet No.
MutTtpLf 1. 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(1"=30'or larger)and details for the infiltration basin showing:
Bypass structure,
-Maintenance access,
-Basin bottom dimensions,
-Basin cross-section with benchmark for sediment cleanout,
-Flow distribution detail for inflow,
-Vegetated filter,and
-Pretreatment device.
�(� b 3. Section view of the infiltration basin(1" 20'or larger)showing:
-Pretreatment and treatment areas,and
-Inlet and outlet structures.
pa COLS 4. A table of elevations,areas,incremental volumes&accumulated volumes to verify the volume provided.
PA4E 5. A soils report that is based upon an actual field investigation,soil borings,and infiltration tests. The
results of the soils report must be verified in the field by DWQ,by completing&submitting the soils
investigation request form. County soil maps are not an acceptable source of soils information.
64KK.t`r (P 6. A construction sequence that shows how the infitlration basin will be protected from sediment until the
entire drainage area is stabilized.
\lv '30 PANIVA4 7. The supporting calculations.
11.1 PACIOCIE 8. A copy of the signed and notarized operation and maintenance(O&M)agreement.
tJ 1'Or (t 9. A copy of the deed restrictions(if required).
RECEIVED
FEB 2 5 2011
BY:
Form SW401-Infiltration Basin-Rev.4 Page 3 of 3 Part III.Required Items Checklist,Page 3 of 3

Lewis,Linda
From: Lewis,Linda
Sent: Monday, June 06, 2011 3:08 PM
To: Covington, Tom T.
Subject: Sunset Beach BAA SW8 110227
Tom-
I received the additional information on April 27, 2011, and am tying up a few loose ends regarding this
resubmitted information:
1. The supplement reports that 3.9" is the 1 yr 24 hour rain depth, but the calculations use 3.7"to
calculate the associated pre-and post-development volumes for the project. NOAA confirms the 3.7"
(3.66") so I am going to cross out the 3.9" on the supplement and put in 3.7".
2. What is the bottom surface area for the infiltration basin?There are 3 different values scattered
between the calculations and the supplement. The drawdown calculations use 4,806 sf, the volume
calculation table reports 4,914 sf, and the supplement reports 4,086 sf, which is probably a
transposition of 4,806. If 4914 is the correct area, please revise the supplement and the drawdown
calculations. If 4806 is the correct area, please revise the supplement and the volume calculations.
3. The supplement also reports that the surface area at elevations 12 and 15 is the same, 4086 sf. The
calculations indicate that the surface area at elevation 15 is 8,720 sf.
Please submit the corrected supplement and calculations by July 6, 2011. I can accept scanned and emailed
versions of these documents. Please don't forget to sign, seal and date the revised calculations.
Linda Lewis
NC Division of Water Quality
127 Cardinal Drive Ext.
Wilmington, NC 28405
910-796-7215
Education is the progressive discovery of our own ignorance.
-Will Durant
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may
be disclosed to third parties.
1

., '(
North Carolina Wildlife Resources Commission
15 April 2011
Ms. Linda Lewis De
NCDENR, Division of Water Quality ep, VE
127 Cardinal Drive Extension
Wilmington, NC 28405 APR 2 7.2011
Subject: Request for Additional Information BY:
Stormwater Project No.SW8 110227
Sunset Beach BAA
Brunswick County
Dear Mrs. Lewis:
Thank you for the expedient initial review of the project noted above. I have responded to your request
for information below your items, in italics.
1. Please submit an original signed application page. Both of the applications were submitted with
photocopied signatures, which we cannot accept. Please find original signatures now submitted. Just the
signature pages have been returned.
2. Please advise as to why the Town is the permittee, but the NCWRC has signed the Operation and
Maintenance agreement. Is the NCWRC leasing the site from the Town? If so, please provide a copy of
the lease agreement. Does the lease agreement specify that the NCWRC is responsible for maintaining
the system? If not, then the land owner(the Town)would need to sign the O&M agreement and they
could pass on the maintenance responsibility to the lessee. In the event that the lessee defaults on the
lease, the Town would automatically become responsible for maintaining the system until another tenant
is found. The town has now signed the O&M agreement.
3. Has Vincent been to the site to verify the soil type, infiltration rate and SHWT information? If not,
please fill out the Site Visit request form and submit it to him to schedule the site visit. Mr. Vincent Lewis,
DWQ, was on site to verify the above on November 24, 2008.
4. Please revise the supplement form. It lists both the bottom elevation and thc storage elevation as 12.0.
It appears that the storage elevation should be 15.0? The supplement form has been revised.
5. The calculations use a BUA of 35,255 sf, but the application only proposes 34,169 sf. Is there over a
thousand square feet of proposed BUA that is not being collected and treated? I understand that the
runoff from the ramp itself is not collected. Perhaps you need to complete an additional"Overall"column
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr. •Raleigh,NC 27606•Telephone: [phone]•Fax: [phone]

PAGE 2 4/26/2011
on the application for the entire proposed BUA(above MHW) of 35,255 sf and a second.column for the
drainage area to the infiltration basin. The application used a wrong number from an earlier site plan
iteration, and has been corrected to show a correct BUA of 35,255.. The areas of on site parking and
streets were changed to reflect the correct numbers as well
6. The site plan seems incomplete. I'm having a difficult time distinguishing between the proposed areas
and where the proposed pavement ties back in to existing. There doesn't seem to be an established
parking lot perimeter and lines are missing. Sheet 4 of 9(Proposed)shows the proposed parking lot, and
has been modified to show proposed asphalt extents.
7. Please provide actual finished grade elevations and contours for the parking lot. None of the plan
sheets shows proposed grading other than in the form of flow arrows, which are not sufficient. Sheet 4 of
9 (Proposed) shows proposed contours, spot elevations, and contour elevation labels.
8. Please add street names to the existing overall plan. How is this site accessed from NC 179? Street
names have been added. If coming South on Hwy 179, and you do not turn right to go over the new high
rise•bridge, you will dead end at the site.
9. FYI-The calculations appear to have used the pre-post volumes for all of the design storms 1.5", 1 yr
24 hr and 10 yr 24 hr. The only design storm that is required to be calculated as a pre-post volume is the
1 yr 24 hr for projects within '/ mile of and draining to SA waters. The procedure for designing an
infiltration basin when it is desired to waive the bypass and vegetated filter requirements by providing for
the 10 yr 24 hr volume, is to first calculate the 1.5" post developed volume, then calculate the difference
between the pre-and post-developed volumes for the 1 yr 24 hr storm. The minimum design volume is
the greater of the 1.5"volume and the difference between the pre-and post-developed volumes for the 1
yr 24 hr storm. Then, you calculate the 10 yr 24 hr post-developed volume and route it through the
proposed BMP, using %the infiltration rate. It is possible that a basin designed with only enough active
storage volume for the minimum pre-post 1 yr 24 hr volume, could also"handle"the 10 yr 24 hr volume
without discharging or overtopping. Calculations have been revised to show the 1.5"post developed
conditions, the differences between pre-and post-developed volumes for the 1 yr 24 hour storm, and the
post-developed 10 yr 24 hr storm only, and show routing using half the infiltration rate to waive the
bypass and filter requirements. Thank you for clarification of the method.
Please accept the enclosed plans and forms as amended and replace the originals in the application you
have received. If there are any other changes that need to be made, or you have any questions, please
don't hesitate to contact me at 919-707-0154 or [e-mail], and thank you again for
the review.
Sincerely,
lost LOJJii rN
Tom Covington, PE
Facilities Construction and Capital Projects Engineer
North Carolina Wildlife Resources Commission 1ECEIvED
APR 27.2011
BY:
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr. •Raleigh,NC 27606•Telephone: [phone]•Fax: [phone]

Permit No.
(to be provided by DWQ)
AT 07-N
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
mod.:_ .�
NCDENR 401 CERTIFICATION APPLICATION FORM
INFILTRATION BASIN SUPPLEMEN1
This form must be filled out,printed and submitted.
The Required Items Checklist(Part III)must be printed,filled out and submitted along with all of the required information.
I. PROJECT INFORMATION
Project Name Sunset Beach Boating Access Area
Contact Person Tom Covington,PE
Phone Number 919-707-0154
Date 21-Feb-11
Drainage Area Number 1
II. DESIGN INFORMATION
Site Characteristics
Drainage area 57,050.00 ft2
Impervious area 34,169.00 ft2
Percent impervious 0.60 %
Design rainfall depth 6.99 in ((o yr 24-hr) w21'✓.2 4yp2s.Peak Flow Calculations Y F
1-yr,24-hr rainfall depth c .8:96'• in
1-yr,24-hr intensity 0.16 in/hr
Pre-development 1-yr,24-hr discharge 1.36 ft3/sec
Post-development 1-yr,24-hr discharge 4.10 ft3/sec
Pre/Post 1-yr,24-hr peak flow control 2.74 ft3/sec
Storage Volume:Non-SA Waters
Minimum design volume required N/A ft3
Design volume provided N/A ft3 OK for non-SA waters
Storage Volume: SA Waters
1.5"runoff volume 4322.00 ft3
Pre-development 1-yr,24-hr runoff volume 2,873.00 ft3
Post-development 1-yr,24-hr runoff volume 10,662.00 ft3
Minimum required.volume 7789.00 ft3
Volume provided 20,257.00 ft3 OK
CFrtrF-D
Soils Report Summary
Soil type fine sand granular APR 2 7.2011
Infiltration rate 23.00 in/hr
SHWT elevation 10.00 fmsl BY;
Basin Design Parameters
Drawdown time 0.20 days OK
Basin side slopes 3.00 :1 OK
Basin bottom elevation 12.00 fmsl OK ``\��11 I111 i,.,
Storage elevation 15.00 fmsl ��`•��1 C.. /�
Storage Surface Area ( 086.00 ftz 87ZdS Q4;•FE=a/O' ,1'�i
Top elevation 15.00 fmsl _:
•
Basin Bottom Dimensions '314:1 rBasin length 173.00 ft •7
Basin width 50.00 ft i •
••••FN GIN%'.
r.'
•
Bottom Surface Area 4,086.0 ft0 �" 4 BVCG? , ••
••• •'
o�'f0I11WI'�a
14A�- It
Form SW401-Infiltration Basin-Rev.4 Parts I.&U.Design Summary,Page 1 of 2

Permit No.
(to be provided by DWQ)
Additional Information
Maximum runoff to each inlet to the basin? N/A ac-in Maximum of 2 acre-inches allowed
Length of vegetative filter for overflow N/A ft OK
Distance to structure N/A ft OK
Distance from surface waters N/A ft OK
Distance from water supply well(s) N/A ft OK
Separation from impervious soil layer N/A ft OK
Naturally occuring soil above shwt _ 6.00 ft OK
Bottom covered with 4-in of clean sand? Y (Y or N) OK
Proposed drainage easement provided? N/A _ (Y or N) OK
Capures all runoff at ultimate build-out? Y (Y or N) OK
Bypass provided for larger storms? _ or N) OK
Pretreatment device provided
RECEIVED
APR 2 7 2011
BY:
Form SW401-Infiltration Basin-Rev.4 Parts I.&II.Design Summary,Page 2 of 2

STORMWATER CALCULATIONS:
INFILTRATION BASIN #1
\\�`'11 Id R9. .
'reftt odAa771,14.4%,::
�H IN1S
',''1111 11 \\�
1.4 A{ 11
SCu8/tozz
RECEIVED
APR 2 7,2011
BY:

1.5"Rainfall Event-Post Development Only
TOTAL DRAINAGE AREA= 57050 SF
1.310 AC.
I
I POST-DEVELOPMENT CONDITIONS
I IMPERVIOUS I I WOODED I I GRASS I
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
I 61.80%Total Impervious I
POST-DEVELOPMENT:RUNOFF VOLUME
R,= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.9(%Imp.)
%Impervious= 61.80% Percentage of Impervious surface over the site
V=3630x RDx R,xA
RD= 1.5 in. Inches of Rain-High Density rules for 5c waters
Ft,. 0.606170026 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 acres Drainage area
IV= 4322.75 cf Volume of runoff from design storm I

1 Year 24 Hour Storm-Pre and Post Development
TOTAL DRAINAGE AREA= 57050 SF
1.310 AC.
r- PRE-DEVELOPMENT CONDITIONS
I IMPERVIOUS I I WOODED I I GRASS I
7185 SF SF
7185 SF 0 SF 49865 SF
0.165 AC 0.000 AC 1.145 AC
I 12.59%Total Impervious I
I •
PRE-DEVELOPMENT: RUNOFF VOLUME I
R,= 0.16334794 unitless Volumetric runoff coefficient=0.05*0.009(%1mp.)
%Impervious= 1259% Percentage of Impervious surface over the site
V=3630 x Rcx R,0A
RD= 3.7 in. Inches of Rain-High Density rules forSc waters
R,= 0.16334794 unttless Volumetric runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 acres Drainage area
V= 2873.358333 cf Volume of runoff from design storm I
I POST-DEVELOPMENT CONDITIONS I
I IMPERVIOUS I I WOODED I I GRASS I
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
I 61.80%Total Impervious I
I POST-DEVELOPMENT:RUNOFF VOLUME I
R,= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.9(%imp.)
%Impervious= 61.80% Percentage of Impervious surface over the site
V=3630x Roxli„xA
RD= 3.7 In. Inches of Rain-High Density rules forSc waters
R„= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.009(%1mp.)
A= 1.310 acres Drainage area
I V= 10662.78333 cf Volume of runoff from design storm I
Runoff Volume Results-10-year,24-hour storm I
Pre-Developmet 1-year,24-hour runoff= 2873.4 of
Post-Developmet 1-year,24-hour runoff= 10662.8 cf
Increase in runoff volume= 7789.4 of

Bottom Elevation 12
Change In Incremental Cumulative Cumulative
Elevation Area elevation volume volume Depth
Ft MSL ft= ft fta fta ft
12.0 4808 1 0 0 0
13.0 5998 1 5402 5402 1
14.0 7263 1 6831 12033 2
15.0 8648 1 7956 19988 3
All areas obtained through measurement in AutoCAD
TOTAL CF OF BASIN 19988 d SF 3'deep
For no secondary treatment devices.system must treat
10 year 24 hour storm at half the infiltration rate
Orawdown Time at 1/2 the measured infiltration rate= 4.9 hours
= 0.2 days ((
Basin Drawdown Capacity
A=V/RIM))
V= 20144.0 volume of water requiring Infiltration(cf)
1/2 the measured rate if= 10 hydraulic conductivity of soil(in/hr)
24 hours so no overtopping T= 1 dewatering time(days)
A= 1007.20 effective infiltrating area(s0
OX Have 4914SF,so checks
00rrES�q�n•O� .
1-4:;t4ttm°0174
E:•'''• GINE4'`�dri" ;
/ C©v•$ \ ~
15 1uNE it
RECEIVED
JUN;15 2011
DWQ
PROJ#

i
10 Year 24 hour Storm-Post Development Only
TOTAL DRAINAGE AREA= 57050 SF
1.310 AC.
POST-DEVELOPMENT CONDITIONS I
IMPER11f0[f3 I WOODED I I GRASS I
35255 SF SF
35235 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
I 81.80%Total Impervious I
I POST-DEVELOPMENT:RUNOFF VOLUME
Rd= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.9(%Slmp.)
%Impervious= 61.80% Percentage of Impervious surfoce over the site
V=3630zRaxRdaA
NOTE:10 YEAR 24 HOUR STORM
R.= I 6.99 Iin. Inches of Ruin-High Density rules forsc waters
R,= 0.605170026 unities, Warner*runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 ocres Oralnogearea
rV= 20144.015 cf Volume of ronoff from design storm I
Drawdown Calculations
Peril's NCOENR handbook"StonnwaierBest Management Practices'(Apra 1999),drawdown of the
atwmwaternmrarshad occur wain 5 days using a arrrmum inkirahlm rale of 0.52 inches per hoar.
Input Data
Way- 20,144 cf.
Bottom Area= 4806 sf
Infiltration Rate Minimum 0.52 in/hr \\k\/I(A Ai j!I�/f
infiltration Rate Measured= 20 in/hr \\\` C. R 0 //
Catculeted Values \ •,'/ s
Volume of basin required 20,144 cf O.0
it:.0. SqE 4( )V!4/1 •'
r � ._top elevation SF of basin proposed 8720 sf iO4-4 T 3 .
Proposed depth of basin Ito top of berm,not overflow weir) 3 ft i •.,•.,
i�I' �NGIN�•
Basin Drawdown Capacity //��s iii�'`cV`\\\\
A=V/(2•(r•T))
15 xuor t t
V= 20144.0 volume of water requiring Infiltration(cf)
IC= 20 hydraulic conductivity of soil(In/hr)
T= S dewatering time(days)
I A= 100.72 effective Infiltrating area(sf) I
Ott Have 45145F,so checks RE CE J\7J3 1:)
JUN152011
DWQ
PROJ#

Lewis,Linda
From: Lewis,Linda
Sent: Thursday, March 31, 2011 11:42 AM
To: Covington, Tom T.
Subject: Addinfo for SW8 110227 Sunset Beach BAA
Attachments: 2011 03 addinfo 110227.pdf
Tom:
My review comments are attached.
Linda

ALTA
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H.Sullins Dee Freeman
Governor Director Secretary
March 31, 2011
Gary Parker, Town Administrator
Town of Sunset Beach
700 Sunset Boulevard North
Sunset Beach, NC 28468
Subject: Request for Additional Information
Stormwater Project No. SW8 110227
Sunset Beach BAA
Brunswick County
Dear Mr. Parker:
The Wilmington Regional Office received a State Stormwater Management Permit Application
for Sunset Beach BAA on February 25, 2011. A preliminary review of that information has
determined that the application is not complete. The following information is needed to continue
the stormwater review:
1. Please submit an original signed application page. Both of the applications were
submitted with photocopied signatures, which we cannot accept.
•
2. Please advise as tc why the Town is the permittee, bui the NCWRC has signed
the Operation and Maintenance agreement. Is the NCWRC leasing the site from
the Town? If so, please provide a copy of the lease agreement. Does the lease
agreement specify that the NCWRC is responsible for maintaining the system? If
not, then the land owner(the Town)would need to sign the O&M agreement and
they could pass on the maintenance responsibility to the lessee. In the event that
the lessee defaults on the lease, the Town would automatically become
responsible for maintaining the system until another tenant is found.
3. Has Vincent been to the site to verify the soil type, infiltration rate and SHWT
information? If not, please fill out the Site Visit request form and submit it to him
to schedule the site visit.
4. Please revise the supplement form. It lists both the bottom elevation and the
storage elevation as 12.0. It appears that the storage elevation should be 15.0?
5. The calculations use a BUA of 35,255 sf, but the application only proposes
34,169 sf. Is there over a thousand square feet of proposed BUA that is not being
collected and treated? I understand that the runoff from the ramp itself is not
collected. Perhaps you need to complete an additional "Overall" column on the
application for the entire proposed BUA (above MHW) of 35,255 sf and a second
column for the drainage area to the infiltration basin.
6. The site plan seems incomplete. I'm having a difficult time distinguishing between
the proposed areas and where the proposed pavement ties back in to existing.
There doesn't seem to bean established parking lot perimeter and lines are
missing.
7. Please provide actual finished grade elevations and contours for the parking lot.
None of the plan sheets shows proposed grading other than in the form of flow
arrows, which are not sufficient.
Wilmington Regional Office
127 Cardinal Drive Extension,Wilmington,North Carolina 28405 One
Phone:[phone] FAX:[phone] Customer Service:1-877-623-6748 NlorthCarolina
Internet vnww.ncwaterqualiyr.oig turtrl!
An Equal Opportunity 1 Affirmative Action Employer

Mr. Parker
March 31, 2011
Stormwater Application No. SW8 110227
8. Please add street names to the existing overall plan. How is this site accessed
from NC 179?
9. FYI-The calculations appear to have used the pre-post volumes for all of the
design storms— 1.5", 1 yr 24 hr and 10 yr 24 hr. The only design storm that is
required to be calculated as a pre-post volume is the 1 yr 24 hr for projects within
'/ mile of and draining to SA waters. The procedure for designing an infiltration
basin when it is desired to waive the bypass and vegetated filter requirements by
providing for the 10 yr 24 hr volume, is to first calculate the 1.5" post developed
volume, then calculate the difference between the pre- and post-developed
volumes for the 1 yr 24 hr storm. The minimum design volume is the greater of
the 1.5" volume and the difference between the pre- and post-developed
volumes for the 1 yr 24 hr storm. Then, you calculate the 10 yr 24 hr post-
developed volume and route it through the proposed BMP, using '/the infiltration
rate. It is possible that a basin designed with only enough active storage volume
for the minimum pre-post 1 yr 24 hr volume, could also "handle" the 10 yr 24 hr
volume without discharging or overtopping.
Please note that a revision to one number may have a domino effect on other numbers, which
may require revision of the applications, calculations, supplements, plans, details, and
associated documentation. Please verify all numbers are correct to ensure consistency in the
application documents.
Please note that this request for additional information is in response to a preliminary review.
The requested information should be received in this Office prior to April 30, 2011, or the
application will be returned as incomplete. The return of a project will necessitate resubmittal of
all required items, including the application fee.
If you need additional time to submit the information, please mail, email or fax your request for a
time extension to the Division at the address and fax number at the bottom of this letter. The
request must indicate the date by which you expect to submit the required information. The
Division is allowed 90 days from the receipt of a completed application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an
approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject
to enforcement action pursuant to NCGS 143-215.6A.
Please reference the State assigned project number on all correspondence. Any original
documents that need to be revised have been.sent to the engineer or agent. All original
documents must be returned or new originals must be provided. Copies are not acceptable. If
you have any questions concerning this matter please feel free to call me at [phone] or
email me at [e-mail].
Sincerely,
Linda Lewis
Environmental Engineer III
GDS/arl: S:1wgs1stormwater1permits & projects120111110227 HD12011 03 Addinfo 110227
CC: Tom Covington, P.E., NCWRC
Wilmington Regional Office Stormwater File
Page 2 of 2

Precipitation Frequency Data Server Page 1 of 4
POINT PRECIPITATION
Qk,' FREQUENCY ESTIMATES t
FROM NOAA ATLAS 14
North Carolina 33.8823 N 78.5111 W 19 feet
from"Precipitation-Frequency Atlas of the United States"NOAA Atlas 14,Volume 2,Version 3
G.M.Bonin,D.Marlin,B.Lin,T.Parzybok,M.Yekta,and D.Riley
NOAA,National Weather Service,Silver Spring,Maryland,2004
Extracted:Thu Mar 31 2011
C Confidence Limits Seasonality I Related Info Ii GIS data Maps Docs ` Return to State Map
Precipitation Frequency Estimates(inches).
ARI* 5 10 15 30 60 120 10 20 30 45 60
(years) min min min min min min 3 hr 6 hr 12 hr 24 hr 48 hr 4 aav 7 aav d d da dayda
1 0.50 0.80 1.00 11.37 1.71 2.0412.20 2.69 3.15 3.66 4.28 4.79 5.51 16.23 8.35 10.38 12.94 15.54
2 0.59 OJ 1.19 1.65 2.06 2.47 2.66 3.26 3.82 4.44 5.17 5.77 6.65 7.46 19.96 12.32 15.29 18.31
5 0.69 no 1.39 1.98 8E3 3.11 3.36 4.12 4.87 5.74 6.63 7.31 8.35 9.21 12.11 14.74 18.05 21.36
10 0.77 1.23 1.56 2.25 2.94 3.68 4.00 4.92 5.84 6.85 7.87 8.59 9.74 10.65 13.85 16.66 20.23 23.73
25 0.87 1.38 373 2.60 3.46 4.44 4.90 6.03 7.21 8.52 9.71 10.47 11.74 12.69 16.29 19.28 23.18 26.87
50 _ 0.94 1.50 1.91 2.87 3.89 5.10 5.68 7.02 8.45 9.97 11.30 12.07 13.41 14.38 18.27 21.36 25.50 29.28
100 1.02 1.62 2.05 3.14 4.33 5.79 6.53 8.09 9.80 11.59 13.06 13.81. 15.20 16.16 20.35 23.48 27.84 31.68
200 1.10 1.74 2.19 3.41 4.79 6.53 7.46 _9.28 11.31 13.40 15.02 15.71 17.13 18.07 22.53 25.66 30.23 34.06
500 1.19 1.89 ® 3.78 5.42 7.60 8.83 11.04 13.58 16.16 17.96 18.58 19.91 20.80 25.59 28.64 33.46 37.23
1000 1.27 2.01 ® 4.08 5.96 8.52 10.03 12.61 15.63 18.57 20.50 21.03 22.24 23.06 28.07 30.99 35.97 39.63
*These precipitation frequency estimates are based on a partial duration series ARI Is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information.NOTE:Formatting forces estimates near zero to appear as zero.
*Upper bound of the 90% confidence interval
Precipitation Frequency Estimates(inches)
ARI** 5 10 15 30 60 120 3 6 12 24 48 4 7 10 20 30 45 60
(years) min min min min min min hr hr hr hr hr , day , day day day day day day
1 0.54 0.86 1.08 1.48 1.85 88] 2.42 2.96 3.51 4.05 4.72 5.22 5.97 6.71 8.94 11.05 13.73 16.41
2 I-I 1.03 1.29 1.78 ®8183 2.94 3.61 4.26 4.92 5.72 6.30 7.21 8.04 10.66 13.12 16.24 19.34
5 0.74 1.19 1.50 2.14 2.74 3.40 3.71 4.55 5.43 6.35 7.33 7.97 9.04 9.94 12.95 15.69 19.17 22.55
10 0.83 1.33 1.68 2.44 813 4.00 4.41 5.42 16.50 _ 8.70 9.38 10.54 11.48 14.81 17.73 M1E1:1 25.05
25 0.93 1.49 1.89 2.80 ® 4.83 5.39 6.64 8.01 9.40 10.73 11.43 12.72 13.68 17.42 20.53 24.64 28.39
50 1.02 1.62 2.05 3.09 4.18 5.54 6.25 7.73 9.37 11.00 12.50 13.19 14.53 ® 19.57 22.79 ® 30.99
100 1.10 1E112.21 3.38 4.66 6.30 7.17 8.90 10.86 12.81 14.47 15.12 16.50 17.47 21.85 25.09 29.68 33.60
200 1.18 1.87 2.36 3.68 5.16 7.10 8.18 10.19 12.52 14.84 16.71 17.27 18.65 19.61 24.27 27.50 32.32 36.21
500 1.29 2.04 2.56 4.08 5.85 8.27 9.70 12.14 15.04 17.96 20.08 20.55 21.83 ® 27.75 30.88 35.97 39.75
1000 1.38 2.17 2.73 4.41 1-11T3T111.04 13.88 17.28 20.74 23.04 23.41 24.53 25.34 30.61 33.58 38.86 42.51
*The upper bound of the confidence interval at 90%confidence level is the value which 5%of the simulated quartile values for a given frequency are greater than.
*'These precipitation frequency estimates are based on a partial duration series ARI is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information.NOTE:Formatting prevents estimates near zero to appear as zero.
*Lower bound of the 90% confidence interval
Precipitation Frequency Estimates(inches)
ARI** 5 I 10 15 II 30 60 120 3 I 6 12 24 148 I 4 ICI 10 20 I 30 145 'I 60
(years) min I min min II min min I min I hr I hr 1 hr 1 hr I hr I day I day II day day I day I day I day
I 1 10.47 0.74 0.93 1.27 11.59 178712.02 2.46 12.86 13.33s_3_9jj4.41 5.11 5.80 7.84 9.76 12.21 14.71
2 '0.55 0.88 1.10 1.53 1.92 2.28 2.44 2.97 3.46 4.04 4.73 15.32 6.17 6.95 9.33 11.59 14.43 17.33
5 0.64 1.02 1.29 1.83 2.35 2.86 3.07 3.75 4.39 5.21 6.05 6.72 7.72 8.56 11.33 13.84 17.02 20.19
10 0.71 1.14 1.44 2.08 2.71 3.37 3.65 4.46 15.25 6.21 7.14 7.88 8.99 9.88 12.94 15.59 19.03 22.39
I 25 0.80 ®3E3 2.38 I13r 7 4.04 1I4.43 5.43 116.43 117.66 8.74 9.54 I1 i 111 i U 15 S II 17.98 21.74 25.29 I
Ir-1I-II- I-II-11-11-1r- III-- IIII-II II II IIii--II III
http://hdsc.nws.noaa.gov/cgi-bin/hdsc/buildout.perl?type=pf&units=us&series=pd&statena... 3/31/2011

r _
•
Ar
11014 'AI 114 .-
4 North Carolina Wildlife Resources Commission 0
Division of Engineering Services • 1720 Mail Service Center • Raleigh,NC 27699-1720
February 23,2011
Ms.Linda Lewis
NCDENR,Division of Water Quality,401 Unit
127 Cardinal Drive Extension
Wilmington,NC 28405
Re: Stormwater Permit Application, Sunset Beach Proposed Boating Access Area
Dear Ms.Lewis:
Please find enclosed a State Stormwater Application package for a proposed boating access area at the terminus of Sunset
Boulevard,in Sunset Beach,Brunswick County. Also included are the required two copies of the plans,and a receipt for
electronic transfer of the funds required by the permit. The NCWRC has already received the CAMA major permit,Corps
permit,and Water Quality Permit.
The Commission has made an electronic funds transfer in the amount of$505 to the N.C.Division of Water Quality to
cover the permit fee(see attached Electronic Payment Ref.No.0000048509). This amount was determined based on the
requested fee shown on the DWQ permit fee schedule.
This project is new construction,in response to a request from the Town of Sunset Beach and public requests for improved
fishing and boating opportunities. The proposed site is on the AICWW,and is currently vacant. The project will consist of
placing a new concrete boat ramp,contained by bulkheading and breakwaters,a wooden fixed dock for boat access,and a
separate fishing pier. There will be a concrete apron in front of the ramp,and a paved maneuvering area and parking lot.
Stormwater control will be provided by an infiltration basin.
If you have any questions or comments.regarding this project,please feel free to contact me at(919)707-0154 or
[e-mail].
Sincerely,
l O a/I'd o N
Tom Covington
Facilities Construction and Capital Projects Engineer
enclosure
FEB 2 5 011

SUNSET BEACH BOATING ACCESS AREA
BRUNSWICK COUNTY
STORMWATER ANALYSIS
Project Description and Summary:
The Sunset Beach Boating Access Area project is located at the terminus of Sunset
Boulevard, in Sunset Beach,NC. The existing property currently consists of a vacant lot
purchased by the Town, and Right of Way given to the town by the NCDOT once the old
swing bridge over to the island was demolished. There are no current improvements to
the lot owned by the town, and the DOT Right of Way consists of an asphalt roadway
leading down to an area where a bridge abutment once stood.
This project involves the construction of a new WRC boating access area. This BAA will
include a single launch ramp and associated fixed docks, a floating fishing pier, an entry
drive, a 28 space parking lot for boat trailers and a 10 space parking lot for standard
vehicles. The project property is adjacent to SA;HQW waters.
Methodology:
The project consists of a drainage area that encompasses all of the parking lot, and all of
the impervious surfaces that could be utilized with applicable grading designs. There is a
small portion of ramp apron that was not able to be channeled to a proposed infiltration
basin, due to the topography and design constraints. The drainage area will be treated by
an infiltration basin designed to handle the 10 year 24 hour storm at half the measured
infiltration rate,negating the need for a bypass, vegetated filter, or additional storage
volume. The proposed impervious surface in each drainage arca was determined from
the plans created in AutoCAD. This impervious surface number was used to determine
the water quality volume for each treatment device by using the calculation methods as
shown in Chapter 3 of the NCDENR Stormwater BMP Manual. The Rational method
and associated calculations were used to calculate storm runoff volume,peak rate of
discharge, hydrographs and storage volumes.
Drainage Area:
The drainage area was defined by entering the amount of impervious surface and
natural areas within that basin. Due to the sandy soils at the site, C-values
corresponding to hydrologic soils group A were used. A time of concentration of
5 minutes was used for all drainage area to provide conservative estimates.
Stormwater BMPs:
The stormwater BMP (infiltration basin)was modeled by entering the surface
area at different elevations,thus defining the stage-storage of the facii' •

tests were performed at the site in the location of all BMPs and the permeability
rates were used in the model.
Once the drainage basins and BMPs were defined,the 10-year design storm(6.99 inches)
was used to check the volume, and infiltration times were calculated
Stormwater Calculations:
Existing Conditions
Currently the lot slopes away from the water and is composed of sandy soil,which does
not pond. The DOT Right of way slopes down toward the AIWW and sheet flows into
the water body. This project creates an increase in impervious surface,therefore
stonnwater treatment is required.
Stormwater Treatment
The proposed property will be treated by a single infiltration basin, accessed by sheet
flow from all four sides. The basin is sized and the infiltration rates are such that no
bypass, filter strip or additional volume is required.
Infiltration Basin:
The basin is located in the center of the boat trailer parking lot. Once excavated,this
basin will remain as a natural infiltration basin. The construction plan dictates that the
basin be constructed last during grading,but prior to paving, in order to keep any
sediment from affecting the infiltration rate. This basin has been sized to capture and
infiltrate in excess of the 10-year storm(6.99 inches). As the basin treats in excess of the
10-year storm,no secondary treatment is required for the bypassed stormwater.
The total drainage area to the basin is 1.301 acres, with 0.784 acres being impervious
(60.26% of drainage area). The post development water quality volume of the minimum
1.5-inch storm is 4,322 cf. The total storage volume of the basin(from bottom to the
spillway) is 20,257 cf, which is a significant increase over the minimum required volume.
Soils tests performed in the area found that the seasonable high water table is at
approximately elevation 10. The bottom elevation of the infiltration basin is at elevation �O
12.0,providing a separation of 2', which is equal to the minimum required 2'. In
addition, soils tests found that the infiltration rate in the area was approximately 26 in/hr. 1" `�
This infiltration rate was used in the calculations for the 10-year storm. It was found that .)5-11
the 10-year storm (6.99 inches) is completely captured and infiltrated without
overtopping the basin. The elevation of the basin is 15.0,with a small portion at 14.8 to
facilitate flow into the basin from the southernmost portion of the drainage area.
-RFC;r-scsTE13
FEB
B�:

SUNSET BEACH BOATING ACCESS AREA
BRUNSWICK COUNTY
NARRATIVE
STORMWATER CALCULATIONS
INFILTRATION BASIN SUPPLEMENT
INFILTRATION BASIN OPERATIONS AND MAINTENANCE AGREEMENT
SOILS TEST
MAP
`` j, CAR0,/i
:�Q-;:i.SS/p'•/�%
_ It SEAL ;
ill — 03y iye„......mi
V1/4/hh
INEo4‘ .,' r,C ;\\<�.
f.
Revised: 2
0 r
February 22,2011
424,
2 ?
Calculations By:
Tom Covington,PE
N.C.Wildlife Resources Commission
1720 Mail Service Center
Raleigh,NC 27699

STORMWATER CALCULATIONS:
INFILTRATION BASIN #1
`,111t1111to,
\0 CAR ii
^^-.�Esalo' �y,:
: pia 4. -,
=: SE "r- ;
23 Fee 0

10 Year 24 hour Storm
TOTAL DRAINAGE AREA= 57050 SF
1.310 AC.
PRE-DEVELOPMENT CONDITIONS
IMPERVIOUS I I WOODED I I GRASS I
7185 SF SF
7185 SF 0 SF 49665 SF
0.165 AC 0.000 AC 1.145 AC
I 12.59%Total Impervious I
PRE-DEVELOPMENT: RUNOFF VOLUME
R,= 0.16334794 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.)
%Impervious= 12.59% Percentage of Impervious surface over the site
V=3630 a Rox R„xA
NOTE:10 YEAR 24 HOUR STORM
RD= 6.99 in. Inches of Rain-High Density rules for Sc waters
R,= 0.16334794 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 acres Drainage area
V= 5428.3175 cf Volume of runoff from design storm I
POST-DEVELOPMENT CONDITIONS
I IMPERVIOUS I I WOODED I I GRASS I
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC • 0.000 AC 0.500 AC
I 61.80%Total Impervious I
POST-DEVELOPMENT:RUNOFF VOLUME
R,= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.9(%Imp.)
%Impervious= 61.80% Percentage of Impervious surface over the site
V=3630xRDxR,aA
NOTE:10 YEAR 24 HOUR STORM
RD= 6.99 In. Inches of Rain-High Density rules for Sc waters
R,= 0.606170026 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.) .
A= 1.310 acres Drainage area
IV= 20144.015 • cf Volume of runoff from design storm —1
FEB 2 5 2011

Runoff Volume Results-10-year,24-hour storm
Pre-Developmet 1-year,24-hour runoff= 5428.3 Cf
Post-Developmet 1-year,24-hour runoff= 20144.0 Cf
Increase in runoff volume= 14715.7 cf
Drawdown Calculations
Per the NCDENR handbook"Stormwater Best Management Practices"(April 1999),drawdown of the
storm water runoff snail occur within 5 days using a minimum Infiltration rate of 0.52 inches per hour.
Input Data
WO.v= 20,144 cf.
Bottom Area= 4806 sf
Infiltration Rate Minimum= 0.52 in/hr
Infiltration Rate Measured= 20 in/hr
Calculated Values
Volume of basin required 20,144 cf
top elevation SF of basin proposed 8720 sf
Proposed depth of basin(to top of berm,not overflow weir) 3 ft
Basin Geometry
A=V/[2'(k'T)]
V= 20144.0 volume of water requiring infiltration(cf)
K= 20 hydraulic conductivity of soli(in/hr)
T= 5 dewatering time(days)
A= 100.72 effective infiltrating area(sf)
Bottom Elevation 12
Change in Incremental Cumulative Cumulative
Elevation Area elevation volume volume Depth
Ft MSL ft2 ft ft3 ft3 ft
12.0 49i , 1 0 0 0
13.0 6072 1 5493 5493 1
14.0 7368 1 6720 12213 2
15.0 8720 1 8044 20257 3
All areas obtained through measurement in AutoCAD
TOTAL CF OF BASIN 20257 cf @ 3'deep
For no secondary treatment devices,system must treat
10 year 24 hour storm at half the infiltration rate
Drawdown Time at 1/2 the measured infiltration rate= 4.9 hours
= 0.2 days

1.5"Rainfall Event
TOTAL DRAINAGE AREA= 57050 SF
1.310 AC.
I PRE-DEVELOPMENT CONDITIONS
I IMPERVIOUS I I WOODED I I GRASS
7185 SF SF
7185 SF 0 SF 49865 SF
0.165 AC 0.000 AC 1.145 AC
12.59%Total Impervious
I PRE-DEVELOPMENT:RUNOFF VOLUME
II,= 0.16334794 unitless Volumetric runoff coefficient=0.05+0.009(%lmp.)
%Impervious= 12.59% Percentage of Impervious surface over the site
V=36317x Roa R,xA
Ro= 1.5 in. Inches of Rain-High Density rules for Sc waters
R°= 0.16334794 unldess Volumetric run off coefficient=0.05+0.009(%lmp.)
A= 1.310 acres Drainage area
V= 1164.875 cf Volume of runoff from design storm
I ___, _.—_- POST-DEVELOPMENT CONDITIONS
I IMPERVIOUS I I . .___ WOODED J I GRASS I
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
I 61.80%Total Impervious I
POST-DEVELOPMENT:RUNOFF VOLUME
R,= 0.606170026 unless Volumetric runoff coefficient=0.05+0.9(%Imp.)
%Impervious= 61.80% Percentage of Impervious surface over the site
V=3630x Ra a R,xA
Ra= 1.5 M. Inches of Rain-High Density rules for Sc waters
Rs,. 0.606170026 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 acres Drainage area
V= 4322.75 Q Volume of runoff from design storm
1 ,L
Runoff Volume Results-10-6olertorm
Pre-Developmet 1-year,24-hour runoff= 1164.9 cf
Post-Developmet 1-year,24-hour runoff- 4322.8 Cf
Increase in runoff volume= 3157.9 cf

1 Year 24 Hour Storm
TOTAL DRAINAGE AREA- 57050 SF
1.310 AC.
I PRE-DEVELOPMENT CONDITIONS I
I IMPERVIOUS I I WOODED I I GRASS I
7185 SF SF
7185 SF 0 SF 49865 SF
0.165 AC 0.000 AC 1.145 AC
I 12.59%Total Impervious
I PRE-DEVELOPMENT: RUNOFF VOLUME I
R„= 0.16334794 unifiers Volumetric runoff coefficient 0.05+0.009(%Imp.)
%Impervious= 12.59% Percentage of Impervious surface over the site
0
/� V=3630xRpxR„xA
/144%1
4, RD= • 3.7 In. Inches of Rain-High Density rules forSc waters
R„= 0.16334794 unitless Volumetric runoff coefficient=0.05+0.009(%Imp.)
A= 1.310 acres Drainage area
V= 2873.358333 cf Volume of runoff from design storm
I_ POST-DEVELOPMENT CONDITIONS I
I IMPERVIOUS I I WOODED I I GRASS I
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
I 61.80%Total Impervious
I POST-DEVELOPMENT:RUNOFF VOLUME I
R,= 0.606170026 uni0ess Volumetric runoff coefficient=0.05+0.9(%Imp.)
%Impervious= 61.80% Percentage of Impervious surface over the site
V=3630 x RD x ROC
RD= 3.7 in. Inches of Rain-High Density rules forSc waters
R,= 0.606170026 unifiers Volumetric runoff coefficient=0.05+0.009(%lmp.)
A= 1.310 acres Drainage area
V= 10662.78333 cf Volume of runoff from design storm
Runoff Volume Results-104ear,24-hour storm I
Pre-Developmet 1-year,24-hour runoff= 2873.4 cf
Post-Developmet 1-year,24-hour runoff= 10662.8 cf
Increase in runoff volume= '/(89.4 cf

DISCHARGE RATES
Pre-development 1-yr,24-hr discharge
Drainage Area 57050 SF
PRE-DEVELOPMENT CONDITIONS
IMPERVIOUS WOODED GRASS
7185 SF SF
7185 SF 0 SF 49865 SF
0.165 AC 0.000 AC 1.145 AC
12.59%Total Impervious
C Coefficients grass 0.1
asphalt 0.95
weighted C 0.2071
Q=CIA
C= 0.2071
1= Intensity 5 minutes
A= 1.31 acres
Q= 1.36 ft^3/sec
Post-development 1-yr,24-hr discharge
Drainage Area 57050 SF
POST-DEVELOPMENT CONDITIONS
IMPERVIOUS WOODED GRASS
35255 SF SF
35255 SF 0 SF 21795 SF
0.809 AC 0.000 AC 0.500 AC
61.80%Total Impervious
C Coefficients grass 0.1
asphalt 0.95
weighted C 0.6253
Q=CIA
C= 0.6253
1= Intensity 5 minutes
A= 1.31 acres
Q= 4.10 ft^3/sec

INFILTRATION BASIS SUPPLEMENT
INFILTRATION BASIN #1

c•
is
4.7 S&ME
Celebrating 35 Years
1973 .2008
December 3, 2008
North Carolina Wildlife Resources Commission
136 Aztec Circle
Mooresville,North Carolina 28117
Attention: Mr. Tom Covington
Reference: Stormwater Testing Services
101 Sunset Boulevard
Sunset Beach,North Carolina
S&ME Project No. 1068-08-472
Dear Mr. Covington:
S&ME, Inc. is pleased to provide this report for stormwater testing services at the above-
referenced site. S&ME was requested by you to perform these services in preparation for
the planned site improvements. S&ME has conducted these services in general
accordance with S&ME Proposal No. 741-08 dated October 31, 2008.
Project Background
The subject property is currently being used by bridge/roadway construction contractors
as a materials and equipment assembly and lay-down area. Contractors were present on
the property constructing a new bridge access to Sunset Beach.
A site plan showing the approximate test locations, existing site conditions, and proposed
development activity was provided to Mr. Paul Masten of S&ME by you via e-mail on
October 27, 2008. We understand that stormwater infiltration basins are proposed for
treatment of future stormwater run-off from a parking lot to be constructed at the site.
Findings
Seasonal High Water Table Evaluations and In-Situ Soil Permeability
Testing
The seasonal high water table evaluations were performed on November 7, 2008 by
advancing hand auger borings to a depth of approximately 96 inches below the existing
ground surface at the approximate locations shown on the attached site plan (Figure 1).
RECElyEL
FEB 2 5 2011
IB
S&ME,INC./6409 Amsterdam Way,Building B3/Wilmington, NC 28405/p.910.799.9945 f 910.799.9958/www.smeinc.com

Stormwater Testing Services S&ME Project No. 1068-08-472
101 Sunset Boulevard, Sunset Beach. North Carolina December 3,2008
The locations correspond to potential stormwater basin areas. Soils were evaluated under
the guidance of a Licensed Soil Scientist for evidence of seasonal high water table
influence. This evaluation involved looking at the actual moisture content in the soil and
observing the matrix and mottle colors. Depending on the soil texture, the soil color will
indicate processes that are driven by seasonally high water table fluctuations, such as iron
reduction and oxidation and organic matter staining. A hand auger boring profile sheet
which provides a description of the observed soil horizons and the determined seasonal
high water tables has been included with this report.
The soils at all of the test locations were fine sand to the depth evaluated with shell
fragments observed in the surface horizon. Seasonal high water table depths ranged from
64 to 83 inches below the existing ground surface. See Table 1 for the seasonal high
water table depths at each test location. These depths were verified at the site by Mr.
Vincent Lewis, Division of Water Quality, on November 24, 2008.
S&ME performed the in-situ soil permeability testing by using a compact constant head
permeameter at the test locations. At the test locations, hand auger borings were
advanced 42 to 59 inches below existing ground surface with a 2-inch diameter bucket.
A planer auger was used to clean the bottom of the auger hole and give it a cylindrical
shape. The water dissipating unit was lowered to the bottom of the hole and water was
dispensed from the permeameter. The water was allowed to move through the unit until
steady-state flow was achieved and then the flow rates were recorded. The last three
measurements were averaged to achieve the most representative value to express the
saturated hydraulic conductivity. The depth interval of the test corresponded to a layer of
material approximately 6 inches thick at the selected testing depth. The permeability
rates were calculated as ranging from 23 to 47.4 inches per hour. See Table 1 for the
calculated permeability rates at each test location.
TABLE 1
exisni.4 TEST SEASONAL HIGH WATER SOIL
ELEIJFV loos LOCATION TABLE (inches below surface) PERMEABILITY RATE
(f.a B-1 64 inches 31.9 inches/hour
15.5 B-2 83 inches 44.9 inches/hour
14.0. B-3 83 inches 47.4 inches/hour
1(0.0 B-4 80 inches 23 inches/hour
See Figure 1, (attached) for the approximate test locations.
Please note that these seasonal high water table evaluations are based on secondary
evidence and not on direct groundwater level measurements. Groundwater levels
fluctuate for numerous reasons, and these findings do not indicate that groundwater levels
have not or will not rise above the noted depths.
2

r
•
Stormwater Testing Services S&ME Project No. 1068-08-472
101 Sunset Boulevard, Sunset Beach, North Carolina December 3,2008
Closing
S&ME appreciates the opportunity to provide these services to you. If you have any
questions,please contact us.
Sincerely,
S&ME,Inc.
VUL- 0'444
J
Paul Masten Tom Schipporeit
Natural Resources Project Manager Branch Manager
Senior Reviewed by:
Robert P. Willcox, Jr., L.S.S. s
PAM:TMS/jns
Attachments: Figure 1—Approximate Test Location Sketch
Soil Boring Profiles
•

!1 i
TABLE 1
Seasonal High Water Table Evaluations
Soil Descriptions
101 Sunset Boulevard
Sunset Beach,North Carolina
S&ME Project No. 1068-08-472
Matrix Mottle
Depth Hue/Value Hue/Value
Location Horizon (Inches) /Chroma /Chroma Texture/Structure
B-1 A 0-11 10YR 2/1 Fine sand, granular, shell fragments
B 1 11-59 10YR 5/6 Fine sand, granular
B2 59-64 10YR 6/6 Fine sand, granular
B3 64-96+ 10YR 7/2 Fine sand, granular
Seasonal High Water Table= 64" below the existing ground surface.
B-2 A 0-10 10YR 2/1 Fine sand, granular, shell fragments
B 1 10-20 10YR 5/3 Fine sand, granular
B2 20-31 10YR 5/6 Fine sand, granular
B3 31-74 2.5Y 7/4 Fine sand, granular
B4 74-83 2.5Y 7/3 Fine sand, granular
B5 83-96+ 2.5Y 7/2 Fine sand, granular
Seasonal High Water Table= 83" below the existing ground surface.
B-3 A 0-11 10YR 3/1 Fine sand, granular
131 11-31 2.5Y5/4 Fine sand, granular
B2 31-57 2.5Y7/3 Fine sand, granular
B3 57-83 2.5Y7/4 Fine sand, granular
B4 83-96+ 10YR 2/2 2.5Y 7/4 Fine sand, granular
Seasonal High Water Table= 83" below the existing ground surface.
B-4 A 0-14 10YR 2/1 Fine sand, granular
Bi 14-33 2.5Y 5/4 Fine sand, granular
B2 33-80 2.5Y 7/4 Fine sand, granular
B3 80-96+ 2.5Y 6/4 Fine sand, granular
Seasonal High Water Table = 80" below the existing ground surface. Saturated soils
encountered at 80 inches.

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DIVISION OF WATER QUALITY
INFILTRATION SYSTEM INVESTIGATION ,
Scheduled Site Visit Date and Time Ar 2
/ 7:406
Project Name: /4)I --Ceit.I. X.- le veof j- County: i'?r-u.,
Street Address: &' e -c-,.„.5.—.1, if:-..,1,,..-.••2. .5„,.1 e.., ZeA.4 4 /ye;
Directions from the nearest intersection of two major roads:
I " 7 4.-''.4-) 4-4-',/ ("/ •-•, -kJ I 4. /ye: t,-,7
V,c!) .41..C. Lf-'19 C.0,...c•c-.1+ ,6:;.rff,.‘ 1.-'
,--->1 acre being disturbed? (YES\ C- NO CAMA Major required? YES '...Np _.:.
---.--.) -1,-.
Consultant Name: rPgt- (17(4S-::1-;-;-,. Phone: c-i.1,-,- "7/1,-
Consultant Firm Firm Name:
' Bore Number r 1 . 2 ,
, 3 1 4 6 1 6 7
Lai_Existin_g Ground Elevation 1
bilroposed Bottom Elevation
-1--
c) Subb act (a- b) I
,d)Acid 2 ft. (Min. Bore Depth) ' i
i — -
. -.? . .. .........
1 el_Soil Type ,,
f) Infiltration Rate OK? 1 , r-
1 ,g) Actual Elev. Of SHWT 14,,4, * j yd Ltd i
I h) Max. lowest bottom elev. . I i ..L. . ......L I
t j /
Comments ;tlt(..5 r 6(7&A _.4.) f 41
. -
Required Attachments:
1. Legible vicinity map &wrten directions to the project
2. Compete Soils Report.
3. Map of the site with the boring locations to be tested.
‘ '4
All proposed infiltration areas and existing, active utility lines located within the proposed
basin/trench must be marked and flagged. If these areas are not flagged, the Soils Scientist
reserves the right to decline to do the investigation. if the proposed infiltration system will be
located in an area of existing pavement and there is no open area nearby, equipment capable of
breaking through the impervious layer must be provided. The soils investigation does not take
the place of a soils report prepared by an appropriate professional. The Soils Sciontist will only
verify the soil conditions that are reported in the Soils Report. and make a determination as to
the suitability of the site to meet the infiltration design requirements under NCAC 2H.1000, and
assumes no liability should the system fail.
SAVVQS1STORMVVATEMFORMSlinfiltration site visit for

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111111111111111111111111111111111 B2840 P0392°5on.a4°am2.
Brunswick County, NC Register of Deeds page 1 of 2
w„„®-0.v°t' rs u`t Presente _benbe+ t: t-SD
�°13 lif.. j�, fl# ClCk$ ` .S-c•�--C:; tl Cash$
, ' .x str t iro 6i� Refund: ---f;sh T' Finance
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� Y J instrument mate ni'YJ(co reproduced orcopied.
¢sparrt .,• �.
'a.an. ,,9, ;-, cpg, F GIFT DEED
STATE OF NORTH CAROLINA
COUNTY OF BRUNSWICK
THIS DEED,made this3O day of June,2008,by and between SUNSET BEACH&TWIN LAKES, Lr> 2 '-4--64
INC.,a North Carolina corporation,hereinafter,whether one or more,referred to as"GRANTOR,"and the TOWN OF
SUNSET BEACH,a North Carolina municipal corporation, whose mailing address is 700 Sunset Blvd.North,Sunset
Beach,NC 28468,hereinafter,whether one or more,referred to as"GRANTEE":
WI.TNESSETH:
THAT the Grantor,as a gift and charitable contribution to the Grantee,has and by these presents does
grant,release and convey unto the Grantee in fee simple,all of its interest in that certain lot or parcel of land situated in
Sunset Beach,Shallotte Township,Brunswick County,North Carolina,and more particularly described as follows:
BEING that certain parcel of property bounded on the north by the southern line of the property
conveyed.to Sunset Bridge Partners,LLC in Book 2233 at Pages 699 and 702 of the Brunswick
County Registry,on the south by the channel of the Atlantic Intracoastal Waterway,and on the
east and west by the eastern and western lines of the property conveyed to Sunset Bridge
Partners above-described extended southerly to the channel of said waterway. This parcel is also
part of tax parcel 256HB006.
TO HAVE AND TO HOLD the aforesaid lot or parcel of land,and all privileges and appurtenances thereto
belonging,to the Grantee in fee simple.
Prepared by: Michael R.Isenberg,Attorney at Law
P.0, Box 11028,Southpoll, NC 28461
Without Opinion on Title

IN WITNESS WHEREOF,the Grantor has hereunto executed this deed,the day and year first above
written.
SUNSET BEACH&TWIN LAKES,INC.
B 1 -4 v r. (SEAL)
Its resident
09 is-2009
STATE OF NORTH CAROLINA 1111111111111111111111111111111111 r Robe Deeds
page 2 of 3z 002
COUNTY OF BRUNSWICK I, '0Ihrt I't- 0-,,,�(�tV� ,a Notary Public in and for the state and county aforesaid,do
hereby certify that Edwafd M.Goreersonaliy came before me this day and acknowledged that he is the President of
Sunset Beach&Twin Lakes,Inc.,a North Carolina corporation,and that by authority duly given and as the act of the
corporation,he voluntarily signed the foregoing instrument in its name on its behalf as its act and deed.
WITNESS my hand and official seal this the 3CP day of June,2008.
6.41 4. odwdn ,Notary Public
My commission expires: .�!1 J-50 8 W; ‘a'
141
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North Carolina Wildlife Resources Commission
14 June 2010
Ms. Linda Lewis
NCDENR, Division of Water Quality
127 Cardinal Drive Extension
Wilmington, NC 28405
Subject: Request for State Stormwater Management Permit Application
Sunset Beach Boating Access Area
Stormwater Project No.WIG 020005
Brunswick County
Dear Ms. Lewis:
This letter is in response to your attached letter dated 25 May, 2010, requesting either a Stormwater
Permit Application or a written response regarding the status of the project.
With the NCWRC acting as the agent for the Town of Sunset Beach, the project was submitted to DCM,
for a CAMA major permit. It was understood that the project would be denied due to the request to
dredge in PNA waters, even though the dredging was underneath the existing bridge footprint. Once a
formal denial is issued, the Town plans to move forward with the appeal process in the hopes of being
granted a variance.
If the Town is awarded a variance by the CRC, then a complete stormwater permit application will be
submitted before moving forward with any part of the project. The stormwater schematics and
background research are complete, but due to scheduling and workload the actual design has been put
on hold until a variance is received. If you have any questions or need further comment, please call or
email me.
Sincerely,
Co.iir+tno..3
Tom Covington
Facilities Construction and Capital Projects Engineer
919-707-0154 �N S
[e-mail] �'• 2010
cc: Gary Parker, Town of Sunset Beach
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center. •Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr. •Raleigh,NC 27606-Telephone: [phone]•Fax: [phone]

AVA,
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H.Sullins Dee Freeman
Governor Director Secretary
May 25,2010
Mr. Gary Parker Mr.Thomas Covington
Town of Sunset Beach NC Wildlife Resources Commission
700 Sunset Blvd.N 1720 Mail Service Center
Sunset Beach, NC 28468 Sunset Beach,NC 28468
Subject: Request for State Stormwater Management Permit Application
Sunset Beach Boating Access Area
Stormwater Project No.SWG 020005
Brunswick County
Dear Mr. Parker and Mr. Covington:
The Wilmington Regional Office received a copy of the CAMA Major Permit application for the subject project. The North
Carolina Administrative Code requires any project that is part of a larger common plan of development,or that proposes more
than 10,000 square feet of new built-upon area,or that must receive Sedimentation and Erosion Control Plan approval,or that
must receive a CAMA Major permit,to apply for and receive a Stormwater ManagementPermit from the Division of Water
Quality. Any construction on the subject site,prior to the receipt of the required permit will constitute a violation of 15A NCAC
2H.1000 and may result in appropriate enforcement action by this Office.
Either a Stormwater Permit Application package including 2 sets of plans,completed application form,fee,and supporting
documentation,or a written response regarding the status of this project and the expected submittal date must be received in
this Office no later than June 25,2010. Please include a copy of this letter with your submittal.Failure to respond to this
request may result in the initiation of enforcement action,and construction may experience a subsequent delay.
The NPDES 010000 Federal Stormwater Permit that accompanies the Erosion Control Plan approval letter must NOT be
considered the Coastal Stormwater Management Permit,which will be signed by the Supervisor of the Surface Water Protection
Section. Please reference the Project Number above on all correspondence. If you have any questions, please call me at
[phone].
Sincerely, eetuitA.2.
ie( 1;76(-C•V
Linda Lewis
Environmental Engineer III
GDS/ar1: S:IWQSISTORMWATERISTORMSUB120101SWG020005.may10
cc: Brunswick County Building Inspections
Division of Coastal Management
Wilmington Regional Office
Central Files
Wilmington Regional Office
127 Cardinal Drive Extension,Wilmington,North Carolina 28405
Phone: [phone] FAX:[phone] Customer Service:1-877-623-6748 ne
Internet www.ncwaterquality.org NP;thCarolina
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An Equal Opportunity 1 Affirmative Action Employer

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Coastal Management
Beverly Eaves Perdue James H.Gregson Dee Freeman
Governor Director • ¶ Secretary
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February 23, 2010 rj5`Sr Cv"
MEMORANDUM: J
TO: Linda Lewis640 I I)
Express Permitting v l b
Division of Water Quality WiRO [�
FROM: Doug Huggett, NC DENR-DCM Major Permits Coordinator
400 Commerce Ave., Morehead City, NC 28557 (Courier 11-12-09)
SUBJECT: CAMA/Dredge & Fill Major Permit Application Review
Applicant: Town of Sunset Beach/NC Wildlife Resources Commission
Project Location: 101 Sunset Blvd., adjacent to the AIWW, Sunset Beach, NC
Proposed Project Applicant proposes to construct a new public boat ramp facility,
floating dock, breakwaters, fishing pier, parking lot, and dredge the
access channel
Please indicate below your agency's position or viewpoint on the proposed project and
return this form by March 8, 2010. If you have any questions regarding the proposed
project contact Debbie Wilson [phone], when appropriate, in-depth comments
with supporting data is requested.
REPLY: This agency has no objection to the project as proposed.
This agency has no comment on the proposed project.
V This agency approves of the project only if the recommended
changes are incorporated. See attached. -- meed ,S'in/ jctee-e tl-
This agency objects to the project for reasons described in the
attached comments.
SIGNED € &7 DATE 2—24- Zo/C)
7CFT\TED
FEB 2,3241fl
400 Commerce Ave.,Morehead City,NC 28557-3421
Phone:[phone] FAX [phone] Internet:www.nccaaslalmanaeementnet t r
Pe Equal Opportunity sn�smarve Mice EmployerorthCarol in a
,7U.'trn'Ea'I/u

DIVISION OF COASTAL MANAGEMENT
FIELD INVESTIGATION REPORT
1. APPLICANT'S NAME:Town of Sunset Beach Boating Access Area/NC Wildlife Resources Commission,do
Thomas Covington
2. LOCATION OF PROJECT SITE: The project is located at 101 Sunset Blvd.,adjacent to the A-,TWW,Sunset
Beach, in Brunswick County.
Photo Index-2006:2-6205,J-K(8-9) 2000: 2-17,0(16-17) 1995: 2-17,0(21-22)
State Plane Coordinates-X: 2148373 Y:48680 GPS-N121711B
Latitude: 33°52'57.87807"N Longitude:78°30'40.45814"W
3. INVESTIGATION TYPE: CAMA/D&F
4. INVESTIGATIVE PROCEDURE:Dates of Site Visit-8/9/09, 12/17/09
Was Applicant Present-Yes on 8/9/09
5. PROCESSING PROCEDURE: Application Received- 1/19/10(complete)
Office-Wilmington
6. SITE DESCRIPTION:
(A) Local Land Use Plan-Brunswick County
Land Classification From LUP-Commercial
(B) AEC(s)Involved:EW,PTA,ES
Water Dependent:Yes
(D) Intended Use:Public
(E) Wastewater Treatment:Existing-None Planned-None
(F) Type of Structures:Existing-Bulkhead,road and bridge.
Planned-Public boat ramp facility,floating dock,breakwaters,parking lot and
fishing pier.
(G) Estimated Annual Rate of Erosion: N/A
Source-N/A
7. HABITAT DESCRIPTION: [AREA]
DREDGED PILED OMER
(A)Vegetated Wetlands-Coastal 450
sq. ft.
(sshh aded)
(B)Non-Vegetated Wetlands 3,857 sq.ft. 1,500 sq.ft. 1,667sq.ft.
(Open water) (incorporated)
(C)Other-Highground 1.78-acres
• (disturbed)
(D) Total Area Disturbed: 1.91 acres
(E) Primary Nursery Area: Yes
(F) Water Classification: SA,HQW Open: No
PROJECT SUMMARY:The applicant is proposing to construct a new public boat ramp facility,floating dock,
breakwaters,fishing pier,parking lot and dredge the access channel.

Town of Sunset Beach Boating Access Area/NC Wildlife Resources Commission
Page Two
9. PROJECT DESCRIPTION
The project is located at101 Sunset Blvd. N, adjacent to the Atlantic Intracoastal Waterway(AIWW) on
the mainland of Sunset Beach, in Brunswick County. To reach the project area,travel south on US Hwy
17 to the intersection with NC Highway 904 near Grissettown,NC. Turn left onto NC Hwy 904 and
travel approximately 3.6 miles to Sunset Blvd.N/NC-179.Turn right onto Sunset Blvd. N/NC-179
and travel approximately 2 miles to the mainland side of the existing swing bridge. The project site is
located on the right and also includes the existing bridge approach.
The project site consists of two adjacent parcels totaling approximately 1.77 acres.The first parcel is
owned by the Town of Sunset Beach, and consists of approximately 1.33 acres of vacant land which is
currently being used as a lay down yard for the construction of the new high rise bridge.The second
parcel consists of approximately 0.44 acres of the existing DOT ROW and old swing bridge approach
which the application states is to be turned over to the Town of Sunset Beach upon completion of the
new high rise bridge. The project site is bordered by the AIWW to the south,W. Canal Ave. to the
north, commercial property to the east, and the new high rise bridge to the west.The project site has
approximately 203 linear feet of shoreline frontage along the AIWW with an average elevation of
approximately 12' above normal high water(NHW).High ground vegetation consists of lawn grasses
and hardwood species including Oak, Cedar and Pine. Waterward of the upland vegetation is an area of
high marsh measuring approximately 15' to 20' in width consisting of mixed coastal wetlands and"404
type"vegetation, which includes Wax Myrtle(Myrica cerifera L.), Sea Oxeye (Borrichia frutescens),
Spike Grass (Distichlis spicata), Black Needle Rush(Juncus roemerianus). There is a band of low
marsh measuring approximately 25' to 60' in width,which consists primarily of Smooth Cordgrass
(Spartina alterniflora).
Existing man-made structures consist of a wooden bulkhead located on the southwest portion of the
project site for which the pervious owner received CAMA General Permit No. 42836-D on September
28,2005. Other existing structures include the paved road, old swing bridge approach and the bridge.
Under CAMA Major Permit No. 22-07,issued to the NC DOT for the construction of the new high rise
bridge, condition number 33 states that approximately 105 feet of the existing bridge on the north side of
the AIWW shall be left in place for public access use.
The waters of the AIWW adjacent to the project site are classified as SA,HQW by the North Carolina
Division of Water Quality. They are designated as a Primary Nursery Area(PNA)by the N.C.
Division of Marine Fisheries and are closed to the harvest of shellfish.
PROPOSED PROJECT
The applicant is proposing to construct a new public boat ramp facility, floating dock,breakwaters,
fishing pier,parking lot and dredge the access channel. As proposed, the existing road and swing bridge
would be removed and a new single slab concrete boat ramp would be installed within the footprint of
the existing bridge.The proposed ramp would measure approximately 15' in width by 100' in length
and would extend approximately 58' below NHW(see Sheets 5 & 6 of 8). Adjacent to the west side of
the ramp would be a concrete dock abutment measuring approximately 30' in length by 8' in width
connecting to a wooden floating dock to assist in the launching of vessels measuring approximately 80'

Town of Sunset Beach Boating Access Area/NC Wildlife Resources Commission
Page Three
in length by 8' in width and a floating L-head is proposed at its terminus. The L-head would measure
approximately 40' in length by 8' in width, extending in a westerly direction, perpendicular to the
shoreline and AIWW. In order to construct the proposed boat ramp the applicant is proposing to
excavate approximately 428 yd3 of sand and organic muck in an area measuring approximately 133' in
total length by 29'. in width to a final depth of-4' @ NLW at the terminal end of the ramp.This would
include an access channel which would extend approximately 60' waterward of the terminal end of the
ramp (see Sheets 6 &7 of 8).The proposed excavation would be accomplished by bucket and barge and
would allow the ramp to be placed at a 14% grade.The excavated material would be placed temporarily
on the northern side of the property until dewatered in an area measuring approximately 80' in length by
80' in width and would be contained by a silt fence(see Sheet 6 of 8). Once the material is dewatered it
will be transported to 1261 Hale Swamp Rd. near Shallotte,which is approximately 61/2 miles away.
The applicant is also proposing to install two vinyl sheet pile breakwaters to protect the proposed ramp
which would extend approximately 2' above NHW(see Sheets 5, 7 & of 8).As proposed,the
breakwater located on the east side of the ramp would measure approximately 130' in length by 11/' in
width and would extend waterward to the 80' Federal Channel Setback.The breakwater located on the
west side of the floating dock adjacent to the ramp would measure approximately 116' in length by 11/2'
in width and would terminate landward of the proposed floating L-head.The application states that there
will be 2"gaps placed every 2' the entire length of the breakwaters from the mud line to the top of the
breakwater to allow for fish and animal passage.
The applicant is also proposing to construct a public fishing pier which would be located on the
southwest portion of the property and west of the proposed boat ramp. The proposed pier would
originate from the existing bulkhead and would measure approximately 112'8" in length by 6' in width
and would terminate in an elevated fixed"T-head"platform measuring approximately 50'3" in length by
8' in width.As proposed,the pier would span approximately 63' of coastal wetlands which consists
primarily of Smooth Cordgrass (Spartina alterniflora) and extend into the AIWW approximately 95'
waterward of NHW.
The applicant is also proposing to construct a new asphalt parking lot and stormwater infiltration basin.
The main parking area would be located on the northern portion of the property and measure
approximately 243' in length by 100' in width and would consist of 26 regular parking spaces for
vehicles with trailers each measuring approximately 45'- 55' in length by 10' in width and 1 handicap
parking space measuring approximately 55' in length by 15' in width(see Sheet 4 of 8).Located on the
eastern side on the property which is currently the DOT property and road would be an additional 10
regular parking spaces for single vehicle, each measuring approximately 20' in length by 10' in width
and 1 additional handicap space measuring approximately 45' in length by 10' in width. As proposed, a
new asphalt drive would originate off of W. Canal Ave. on the northwest corner of the property and
measure approximately 15' in width and would circle around to the northeast corner of the property. A
stormwater infiltration basin is proposed measuring approximately 202' in length by 351/2' in width and
would be located between the south side of the proposed parking lot and the driveway(see Sheet 4& 8
of 8).An additional single handicap parking space measuring approximately 20' in length by 10' in
width is proposed on the southwest side of the driveway and landward of the existing bulkhead.As
proposed, all parking spaces and driveways would be located landward of the 30' coastal shoreline
buffer.

Town of Sunset Beach Boating Access Area/NC Wildlife Resources Commission
Page Four
10. ANTICIPATED IMPACTS
The parking area, driveways and stormwater infiltration basin would result in approximately 1.78 acres
of high ground disturbance. Approximately 6,972 sq. ft. (31%)of impervious surface coverage is located
within the 75' Estuarine Shoreline AEC. Total impervious surface coverage for the entire site is
approximately 40,648 sq. ft. (53%). Existing impervious surface coverage for the entire site is
approximately 9,961 sq. ft.
The proposed boat ramp and access channel would result in the excavation of approximately 3,857 sq.
ft. and the filling of approximately 1,500 sq. ft. of shallow bottom area within a PNA.The proposed
breakwaters and floating docks would incorporate approximately 1,667 sq. ft. of estuarine waters and
public trust area.The proposed fishing pier would result in the shading of approximately 450 sq. ft. of
coastal wetlands,which consists primarily of Smooth Cordgrass (Spartina altemiflora) and would
incorporate approximately 916 sq. ft. of estuarine waters public trust area. As proposed,the fishing pier
and platform would not encroach into the adjacent 15' Riparian Corridor Setback Areas and would not
extend into the 80' setback from the federal channel of the AIWW.The floating access pier and docks
would extend approximately 56' into the waterbody which measures approximately 403' at this location.
This distance meets the 1/a width rule and would not extend into the 80' setback from the federal channel
of the AIWW.Minor increases in turbidity can be expected during construction.
Submitted by:Debra Wilson Date: 2/16/10 Office: Wilmington

aw
•
= North Carolina Wildlife Resources Commission al
Narrative for the Town of Sunset Beach's proposed Boating Access Area
Existing Conditions:
The town of Sunset Beach purchased the lot that the proposed area is to be located
on with the express purpose of providing more public access to the water. The DOT
Right of Way east and adjacent to the property will be turned over to the town upon
completion of the new high rise bridge. Currently,the site is predominantly an open lot,
with a wooden bulkhead and several large trees left in place from when the lot was
originally cleared. Its current use is as a lay down yard for the construction of the new
high rise bridge. The lot size is approximately 58000SF,with the DOT ROW lending
another 19000SF to the overall size of the tract. Wetlands were delineated by the COE
for the high rise bridge project, and approval will be submitted with the permit
application. Coastal marsh fairly well covers all areas along the lots shorelines from
MLW to MHW except under the footprint of the existing bridge that is to be removed.
Based on soil borings done at the site,the seasonal high water table is at approximately
9.0',using normal low water as elevation 0'.
Proposed:
Project Description
The North Carolina Wildlife Resources Commission(WRC)has partnered with
the town of Sunset Beach to provide design and construction services for a new public
access facility. The proposed boating access area will include a single slab concrete boat
ramps with asphalt apron,two vinyl sheet pile breakwaters, one floating boarding pier,
and a walkway to a proposed fishing pier. Also included will be a paved parking area
with a stormwater infiltration basin sized to handle the one year 24 hours storm amount
of 3.7 inches. Soil testing has already been performed and the site has been found
excellent for infiltration,with rates from 23 to 47 in/hr. There will be 26 regular vehicle
with trailer parking spaces and 2 ADA vehicle with trailer parking spaces. In addition,
for the public fishing area,there will be a single ADA parking space, and 10 single
vehicle parking spaces on site. The ramp dimension will be 15' x 100'. Both sheet pile
walls are identical with dimensions of approximately 1.5' by 130'. The wood floating
dock dimensions will be 8' x 80' with an 8' x 40' dogleg as a queing location,with an
8'x 30' concrete abutment. Also proposed is a public fishing pier. The pier will be 6' by
110' to the T section, and the T section is proposed to be 8' x 50'. Entrance to the access
area will be from Canal Drive. The project site is located at the landward to of
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr.•Raleigh,NC 27606'Telephone: [phone]•Sem(#1 t'�,s r`0,
0I62

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North Carolina Wildlife Resources Commission :-
109/SR1172. Current land use surrounding the project area is heavily developed with
residential dwellings to the west of the land used for a new DOT high rise bridge, and a
commercial development to the east of the property. There is 21,864SF within the AEC,
and 6,972SF is proposed impervious, which is 31%. There is a total of 75,619SF for the
entire site and 39,294SF is proposed impervious,which is 52%. Current impervious
comes from the existing roadway, and is 9961SF.
Need for the Proposed Project
Providing public access for recreational uses of wildlife and fisheries resources is
important to accomplishing the WRC's overall management objectives. The Boating
Safety Act(G. S. 75A-1 et seq.) contains provisions for funding and expenditures to
purchase or lease areas for constructing boating access facilities [G. S. 75A-3(c)]. The
Town of Sunset Beach used public funds in addition to grant monies to purchase the site,
and the WRC will be expending public funds generated by license sales and taxes to fund
the design and construction of the project. As of 2009,the WRC has constructed
approximately 210 boating access areas across North Carolina. Requests for new access
areas are received on a regular basis.
Improvement at the proposed project site will enhance public access to the AICW
for anglers,recreational boaters and waterfowl hunters. The project site is currently
undeveloped or is in use at a right of way for the road across the AICW.
The demand for new boating access areas statewide continues to increase. The
popularity of boating access areas has lead to overcrowding,and long waits for loading
and unloading boats are being experienced. Presently,the closest Wildlife boat ramp is
the Ocean Isle Beach BAA,which is undersized pertaining to the amount of use it
receives. A developed facility on Sunset Beach will help alleviate overcrowding at
surrounding boat launches.
Alternatives Considered
The objective of the proposed project is to provide a facility that will enhance
public access to the waters of the area. Alternatives to the proposed project were not
considered, as none would accomplish the project objective. The original planned used
for the site was to have the NCDOT leave a portion of the old bridge in place, and have it
used'as a public fishing structure. The project expands on this yet still includes the
original need,but in a location where fishing and boating can take place on the same site,
with a minimum of impacts and interference. Likewise, alternate site locations were not
considered as proposed site and the private holdings adjacent to the site have all lrn 7 . a
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DIVISION OF ENGINEERING SERVICES JA 2 2 10
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr.•Raleigh,NC 27606.Telephone: [phone]•Fax: (919)707 , o
0162 •)1

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LA North Carolina Wildlife Resources Commission al
developed,thereby minimizing the impacts of the improved access area. Finally,there is
very limited public access in the area, and the town of Sunset Beach purchased the
property with the main intent of preserving public access to the water. The location of
this site coupled with the intent of the town to provide water access serves an important
public access need. The design was based on the towns request for adequate launch and
retrieval methods that would cause a minimum of congestion and wait times. The
proposed activities are intended to bring an existing vacant lot within acceptable design
standards that all of the public can enjoy.
Cultural resources:--There are no known cultural or archaeological resources on
the access area site;however, a formal archeological survey on this site has not been
conducted. Until construction of the current community,the majority of the site was
most likely part of a vast freshwater marsh complex. Prior to the site's current condition,
a commercial enterprise was on the property.
Description of the Proposed Action
Boat ramp:--A single lane 100' x 15' reinforced concrete boat ramp will be
constructed underneath the footprint of the existing bridge over the waterway.
Approximately 315 yd3 of material below normal high water level (NHW)will be
excavated during construction of the boat ramp in order to achieve proper boat launching
depth. Maximum dredging depth will be reached at approximately 60' beyond the
proposed end of ramp and it will not exceed 4' below NLW. Substrate beyond maximum
dredging depth will be sloped to existing grade. All dredged material will be placed in a
temporary dewatering area on site, surrounded by silt fence,until it is sufficiently dry to
allow for transport in on-highway dump trucks to the high ground spoil site noted in the
application. There is no fill other than construction materials and a portion of the dredge
spoils proposed for this project.
Breakwaters and Bulkheads:--Two 130' x 1.5' vinyl walls will be constructed
adjacent to the concrete ramp. The walls will act as bulkheads until they connect with the
existing bulkhead, and then 2" slots will be cut from where the existing bottom meets the
wall to above MHW to allow for fish and other animal passage.
Pier:--One 80' x 8' floating wooden pier will be constructed between the
breakwaters, on the right side of the ramp,with an 8' x 40' dogleg extending past the
western breakwater and running parallel,but outside of,the COE setback
dogleg will allow for people to que up to the ramp area and tie off,rather than thi �'and 4
iAN 12010
DIVISION OF ENGINEERING SERVICES •
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr. •Raleigh,NC 27606•Telephone:[phone]•Fax: (919)707-
0162

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North Carolina Wildlife Resources Commission
cause confusion when retrieving their boats. The pier will be used to assist with the
launching and retrieving of boats at the access area.
Fishing Pier:--A 6' x 110' with a 8' x 50' T shaped fixed type fishing pier is also
proposed. The pier will be elevated as prescribed in the CAMA rules and also maintain
ADA integrity.
Existing Bridge Removal:--The permitted NCDOT plans currently call for a
portion of the bridge to remain in place after their work is complete,but a modification to
their permit will need to be made to allow for complete removal if the proposed work is
approved.
Environmental Impacts from the Proposed Action
Terrestrial:--Because the majority of the project area is currently heavily
developed, direct impacts to terrestrial species will be negligible, and no upland or
riparian habitats will be altered. Currently,human activity in the proximity of the project
area includes private boat docks,breakwaters,bulkhead shorelines and residential
dwellings. The area is PNA, and as designed, WRC and the Town of Sunset Beach
realizes that it will be denied a permit. We plan to go through the variance process.
There is no coastal marsh impact for the current design. Locations of the proposed boat
ramp,breakwaters, and pier were selected to minimize impacts to aquatic resources and
associated habitat. Noise levels will increase as construction equipment(bulldozer,
backhoe, and trackhoe) is used to improve the access area. However, such adverse
impacts will be short-term and will not exceed levels currently found on construction
sites utilizing similar equipment.
Socio-economic:--Socio-economic impacts of the project site are generally
regarded as positive since availability of the access area will result in greater use of
commercial businesses in the immediate vicinity. Due to the location of this project site
within a residential community, improvement of the access area may increase property
values in the surrounding area as a greater variety of boats will be able to gain access to
Masonboro Sound and the AICW.
Mitigation for Unavoidable Environmental Impacts
Terrestrial and Aquatic Resources:--Due to the developed nature of the project
site, direct environmental impacts from this project will be minimal landward, and have
been minimized to the practical extent of the current design. WRC is open to mitigation
concerning the proposed impacts to the coastal marsh as the site is currently designed ;
_ f
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr.•Raleigh,NC 27606•Telephone: [phone] :1;.r 19)707 ,;'`,< -4,
0162

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= North Carolina Wildlife Resources Commission =
PNA. No increases in impervious surface or stormwater runoff are expected after the
proposed facility is constructed.
The placement of erosion control stone beneath the boat ramp will provide hard
substrate not presently available in the project area. These areas may be colonized to
some extent by various aquatic organisms tolerant of the characteristics of the altered
habitat. Small fish species may also utilize the stone rip-rap as cover from predators.
To minimize localized turbidity after project completion, a no-wake zone will be
established within 50 yards of the access area.
Summary
The North Carolina Wildlife Resources Commission is proposing to build a
boating access area located at the landward side of the future terminus of SR 1172. Due
to the developed conditions of the surrounding community,very little upland habitat will
be altered to accommodate the proposed access area. The majority of the surrounding
area is currently heavily developed with private boat ramps, breakwaters and dwellings.
Total area to be excavated during construction of a single lane concrete ramp,two vinyl
breakwaters, one floating courtesy dock, and a public fishing pier include 315 yd3 below
normal high water level. Locations of proposed boat ramp,breakwaters, and pier were
selected to minimized impacts to aquatic habitat. There is no fill material proposed for
this project except construction materials.
Benefits from the access area include increased public recreational opportunity on
the AICW. A developed facility in Sunset Beach will help alleviate overcrowding at
surrounding boat launches. It is anticipated that the boat ramp will receive increased
utilization immediately after completion. Use of the access area will benefit the local
economy as fishermen and recreational boaters patronize commercial businesses in the
vicinity of the project area. There are impacts to the aquatic and terrestrial habitat that
the WRC would like to ensure are minimal based on the requested schematics.
Tom Covington
Facilities Construction and Capital Projects Engineer
919-707-0154 `'...-e A
[e-mail]
:J N .+ 2 2010
DIVISION OF ENGINEERING SERVICES
Mailing Address: 1720 Mail Service Center•Raleigh,NC 27699-1720
Office Location: 1751 Varsity Dr. •Raleigh,NC 27606*Telephone:[phone]•Fax: (919)707-
0162

•
•
ICM MP-1
IPPLICAflONIor
MiilorDevolopmslflP,mllt
(last revised 12127100)
North Carolina DIVISION OF COASTAL MANAGEMENT Ii
1. Primary Applicant/Landowner information
Business Name Project Name(if applicable)
Town Of Sunset Beach Sunset Beach Boating Access Area
Applicant 1: First Name MI Last Name
Gary Parker,Town of Sunset Beach
Applicant 2: First Name MI Last Name
If additional applicants,please attach an additional page(s)with names listed.
Mailing Address PO Box City State
700 Sunset Blvd.N Sunset Beach NC
ZIP Country Phone No. FAX No.
28468 USA 910-579-6297 ext. - -
Street Address(if different from above) City State ZIP
Email
GParker[[e-mail]]
2. Agent/Contractor information
Business Name
North Carolina Wildlife Resources Commission
Agent/Contractor 1: First Name MI Last Name
Thomas T Covington
Agent/Contractor 2: First Name MI Last Name
Mailing Address PO Box City State
1720 Mail Service Center Raleigh NC
ZIP Phone No.1 Phone No. 2
278991720 919-707-0154 ext. 919-218-2064 ext.
FAX No. Contractor#
919 707 0162 NIA t
Street Address(if different from above) City State ZIP
Email
RECEIVED
[e-mail] DCM WILMINGTON, NC
<Form continues on back> JAN 1 9 2010
262-808-2808 :: 1-8013-4RCOA3T :. www.nccoaastaalmanagenient.rtet

Form DCM MP-1 (Page 2 of 4) APPLICATION for
Major Development Permit
3. Project Location
County(can be multiple) I Street Address I State Rd.*
Brunswick 1101 Sunset Blvd 1172
Subdivision Name City State Zip
Twin Lakes Sunset Beach NC 28468-
Phone No. Lot No.(s) (if many,attach additional page with list)
ext. 256HB001,
a. In which NC river basin is the.project located? b. Name of body of water nearest to proposed project
Lumber Atlantic Intracoastal Waterway
c. Is the water body Identified in(b)above,natural or manmade? d. Name the closest major water body to the proposed project site.
®Natural ®Manmade ❑Unknown Atlantic Intracoastal Waterway
e. Is proposed work within city limits or planning jurisdiction? f. If applicable,list the planning jurisdiction or city limit the proposed
®Yes ❑No work falls within.
Sunset Beach
4. Site Description
a. Total length of shoreline on the tract(ft.) b. Size of entire tract(sq.ft.)
206' 48,787
c. Size of individual lot(s) d. Approximate elevation of tract above NHW(manna!high water)or
1.12 Acres, NWL(norm&water level)
(if many lot sizes,please attach additional page with a list) 12 ,+NHW or❑NWL
e. Vegetation on tract
Several large live oaks,to be saved;grasses,bushes,and small trees typical of region,coastal marsh at waterline
f. Man-made features and uses now on tract
wooden bulkhead in place from prior owners,buried and abandonded plastic water line,State Road 1172,and bridge over
the Intercoastal waterway.
g. Identify and describe the existing land uses adjacent to the proposed project site.
New high rise bridge on DOT right of way on west side,small commercial vemtures on north and east sides
h. How does local government zone the tract? i. Is the proposed project consistent with the applicable zoning?
SB-MB1, SB-CR1 (Attach zoning compliance certificate,If applicable)
®Yes ❑No DNA
j. Is the proposed activity part of an urban waterfront redevelopment proposal? ❑Yes ®No
k. Has a professional archaeological assessment been done for the tract? If yes,attach a copy. ['Yes No DNA
If yes,by whom?
II. Is the proposed project located in a National Registered Historic District or does it involve a [(Yes *:Nc DNA
National Register listed or eligible properly?
RECEIVED
<Form continues on next pages DCM WILMINGTON, NC
JAN 1 9 2010
252.808-2808 :: 1-888-4RCr1AST :: www.nccoastalmanagenbont.net

Form DCM MP-1 (Page 3 of 4) APPLICATION for
Major Development Permit
m. (i) Are there wetlands on the site? Oyes ®No
(ii)Are there coastal wetlands on the site? .4 Yes ONo
(iii)If yes to either(i)or(ii)above,has a delineation been conducted? ®Yes ONo
(Attach documentation,if available)
n. Describe existing wastewater treatment facilities.
N/A
o. Describe existing drinking water supply source.
N/A
p. Describe existing storm water management or treatment systems.
none on site
5. Activities and Impacts
a. Will the project be for commercial,public,or private use? DCommercial C.I Public/Government
DPrivate/Community
b. Give a brief description of purpose,use,and daily operations of the project when complete.
Site is to be used as a public boatramp,available for use 2417/365,operated and maintained by the Town of Sunset Beach.
A paved parking lot with a stormwater infiltration basin,with a concrete launch ramp and a floating dock,with vinyl groins on
either side of the ramp providing a dredged area deep enough to use at low water are proposed for use by the public,to be
maintained by the town of Sunset Beach.
c. Describe the proposed construction methodology,types of construction equipment to be used during construction,the number of each type
of equipment and where it is to be stored.
Anticipated types of construction equipment include tracked excavators,bulldozers,tri-axle dump trucks,backhoes,and
potentially barges,cranes,and pile drivers. All equipment will either be temporarily stored on site,on high ground outside
the AEC,or in the case of waterbased equipment,moored on shore in an area that has construction planned,in order to
minimize shoreline impacts.
d. List all development activities you propose.
installation of two vinyl breakwaters,a concrete boat launch ramp,a wooden boarding dock,a wooden fishing pier,a paved
parking lot,a storwater infiltration basin,and dredging inbetween the breakwaters to allow sufficient depth for use at low
water.
e. Are the proposed activities maintenance of an existing project,new work,or both? New work
f. What is the approximate total disturbed land area resulting from the proposed project? 1.2 DSq.Ft or®Acres
g, Will the proposed project encroach on any public easement,public accessway or other area Oyes ®No DNA
that the public has established use of?
h. Describe location and type of existing and proposed discharges to waters of the slate.
Any and all current discharges are overland sheet flow due to unimproved site conditions. Proposed discharges would be
from the ramp and apron,and a parking area with infiltration basin designed for 3.7"over the entire drainage area,except the
ramp and apron. Any stormwater over this amount would flow through a 50'vegetated buffer before being discharged into
waters of the state.
i. Will wastewater or stormwater be discharged into a wetland? DYes ®No DNA
If yes,will this discharged water be of the same salinity as the receiving.water? EJYes ❑No ®NA
j. Is there any mitigation proposed? °Yes No DNA
If yes,attach a mitigation proposal. RP C.El V E
DCM WILMINGTON, NC
Form continues on back>
JAN 1 9 2010
252-808-2800 :; 1-ana-4tRCOALT :: www.nccoaetalmanarfement.net �k

Form DCM MP-1 (Page 4 of 4) APPLICATION for
Major Development Permit
6. Additional Information
In addition to this completed application form,(MP-1)the following items below,if applicable,must be submitted In order for the application
package to be complete. Items(a)—(f)are always applicable to any major development application. Please consult the application
instruction booklet on how to properly prepare the required items below.
a. A project narrative.
b. An accurate,dated work plat(including plan view and cross-sectional drawings)drawn to scale. Please give the present status of the
proposed project. Is any portion already complete? If previously authorized work,clearly indicate on maps,plats,drawings to distinguish
between work completed and proposed.
c. Asita or location map that,is sufficiently detailed to guide.agency personnel unfamiliar with the area Lathe site.
d. A copy of the deed(with state application only)or other instrument under which the applicant claims title to the affected properties.
e. The appropriate application fee. Check or money order made payable to DENR.
f. A list of the names and complete addresses of the adjacent waterfront(riparian)landowners and signed return receipt as proof that such }}
owners have received a copy of the application and plats by certified mail. Such landowners must be advised that they have 30 days in
which to submit comments on the proposed project to the Division of Coastal Management.
Name Ronald or Clarice Holden Phone No.unlisted
Address 3852 HOLDEN RD SW,SHALLOTTE,NC 28459 work phone [phone]
Name Mason Hearndon,NC DOT Phone No.910-251-5724
Address 124 Division Dr.Wilmington,NC 28411
Name Phone No.
Address
g. A list of previous state or federal permits issued for work on the project tract. Include permit numbers,permitlee,and issuing dates.
CAMA General Permit 42836-D,Jason Stegall,09/28/05
CAMA Major Permit 22-07,NCDOT,3/5107
h. Signed consultant or agent authorization form,if applicable.
i. Wetland delineation,if necessary.
j. A signed AEC hazard notice for projects in oceanfront and inlet areas. (Must be signed by property awned
k. A statement of compliance with the N.C.Environmental Policy Act(N.C.G.S.113A 1-10),If necessary. If the.project Involves expenditure
of public funds or use of public lands,attach a statement documenting compliance with the North Carolina Environmental Policy Act,
7. Certification and Permission to Enter on Land
I understand that any permit issued in response to this application will allow only the development described in the application.
The project will be subject to the conditions and restrictions contained in the permit. •
I certify that I am authorized to grant,and do in fact grant permission to representatives of state and federal review agencies to
enter on the aforementioned lands in connection with evaluating information related to this permit application and follow-up
monitoring of the project.
I further certify that the Information provided in this application Is truthful to the best of my knowledge.
Date Iq .JAiu )© Print Name "1'PChetg5 T. wr 04
r ►Xrl+t)ILC„
Signature %, liamitivok
Please indicate application attachments pertaining to your proposed project.
®DCM MP-2 Excavation and Fill Information ©DCM MP-5 Bridges and Culverts RECEIVED
®DCM MP-3 Upland Development DCM WILMINGTON, NC
®DCM MP-4 Structures Information JAN 1 9 2010
252-808-2808 :: 1-880-47lCOA81' .: www.nccoastalmanngemont.net

•
Form DCM MP-2
EXCAVATION and FILL
(Except for bridges and culverts)
Attach this form to Joint Application for CAMA Major Permit,Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
Describe below the purpose of proposed excavation and/or fill activities. All values should be given In feet.
Access Other
Channel Canal Boat Basin Boat Ramp Rockroin Rock (excluding
G
(NLW or Breakwater shoreline
NWL) stabilization)
Length 133 100'
Width 29 15'
Avg.Existing -1 4 NA NA
Depth
Final Project _4 -4 NA NA pl
Depth
1. EXCAVATION (This section not applicable
a. Amount of material to be excavated from below NHW or NWL In b. Type of material to be excavated.
cubic yards. sand and organic muck
428 CY
c. (i)Does the area to be excavated include coastal wetlands/marsh d. High-ground excavation in cubic yards.
(CW),submerged aquatic vegetation(SAV),shell bottom(SB), 957
or other wetlands(WL)? If any boxes are checked,provide the
number of square feet affected.
❑CW ❑SAV ❑SB
OWL ®None
(ii)Describe the purpose of the excavation in these areas:
2. DISPOSAL OF EXCAVATED MATERIAL ❑This section not applicable
a. Location of disposal area. b. Dimensions of disposal area.
1261 Hale Swamp Rd,Shallotte,NC 28470 To be determined,but will need a square area of approx
100'x 100'.
e. (I)Do you claim title to disposal area? d. (i) Will a disposal area be available for future maintenance?
❑Yes El No DNA EYes ❑No DNA
(Ii)If no,attach a letter granting permission from the owner. (ii)If yes,where?
e. (i)Does the disposal area Include any coastal wetlands/marsh f. (I)Does the disposal Include any area in the water?
(CW),submerged aquatic vegetation(SAV),shell bottom(SB), Oyes r4No DNA
or other wetlands(WL)? If any boxes are checked,provide the (ii)If yes,how much water area is affected?
number of square feet affected.
DCW ❑SAV ❑SB
OWL -c None
(ii)Describe the purpose of disposal in these areas: RECEIVED
No waste material will be placed on low ground. DCM WILMINGTON, NC
JAN 1 9 2010
252-000-21300 :: 1-888-44RCOAST :: www.nccoastalmanagetnQnt.r10t revised: 12/26106

Form DCM MP-2 (Excavation and Fill, Page 2 of 2)
3. SHORELINE STABILIZATION This section not applicable
(If development is a wood groin,use MP-4—Structures)
a. Type of shoreline stabilization: b. Length:
9
['Bulkhead ❑Riprap ❑Breakwater!Siil []Other: Width: #
a. Average distance waterward of NHW or NWL: d. Maximum distance waterward of NHW or NWL:.
e. Type of stabilization material: f. (I).Has there been shoreline erosion during preceding 12
months?
['Yes DNo DNA
(ii)if yes,state amount of erosion and source of erosion amount
information.
g. Number of square feet of fill to be placed below waterlevel. h. Type of fill material.'
Bulkhead backfill Riprap
Breakwater/Sill Other
i. Source of fill material.
4. OTHER FILL ACTIVITIES ❑This section not applicable
(Excluding Shoreline Stabilization)
a. (I) Will fill material be brought to the sae? C4 Yes ❑No DNA b. (i)Will fill materiel be pieced in coastal wetiandshearsh(CW),
If yes, submerged aquatic vegetation(SAV),shell bottom(SB),or
v'uhv,nvuaris(WL)7 if any boxes are checked,provide the
(IQ Amount of material to be placed In the water 202 CY number of square feet affected.
(ii)Dimensions of fill area aoorox 32x 78. 2578sf below
Muw ©CUV ❑SAV ©SB
(Iv)Purpose of fill ❑ ®None
rock base for concrete ramp,and concrete ramp itself (II)Describe the purpose of the fill in these areas:
5 GENERAL
a. How will excavated or fill material be kept on site and erosion b. What type of construction equipment will be used(e.g.,dragiine,
controlled? backhoe.or hydraulic dredge)?
material will be surrounded by silt fence until dry enough to long reach tradkhoe,and barge mounted trackhoe
transport,then will be taken to an approved waste site.
c. (I) Will navigational aids be required as a result of the project? d. (I) Will wetlands be crossed in transporting equipment to project
❑Yes NNo DNA site? ❑Yes No DNA
(II)If yes,explain what type and how they will be implemented. (d)If yes,explain steps that will be taken to avoid or minimize
environmental impacts.
to Zisika 10 ''lieewekdr'C' Cjkhri lief {stilt-C.
Date Applicant Name l t
Alva, atettlei RECCIVED
Strata 130CK AtePosEA U M Applicant Signature Project Name DCM WILMINGTON. NC
JAN 1 9 2010
252-808-2808:: 1-888-4RCOAST::yvww.nccoastalmansoement.net revised:12/20/08

. i
Form DCM MP-3
UPLAND DEVELOPMENT
(Construction and/or land disturbing activities)
Attach this form to Joint Application for CAMA Major Permit,Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
GENERAL UPLAND DEVELOPMENT
a. Type and number of buildings,facilities,units or structures b. Number of lots or parcels.
proposed. 1
1 -parking lot with stormwater infiltration basin
c. Density(give the number of residential units and the units per d. Size of area to be graded,filled,or disturbed including roads,
acre). ditches,etc.
0 65,485 SF
a. If the proposed project will disturb more than one acre of land,the f. List the materials(such as marl,paver stone,asphalt,or concrete).
Division of Land Resources must receive an erosion and to be used for impervious surfaces.
sedimentation control plan at least 30 days before land-disturbing asphalt and concrete
activity begins.
(i) If applicable,has a sedimentation and erosion control plan been
submitted to the Division of Land Resources?
Dyes No DNA
(ii)If yes,list the date submitted:
g. Give the percentage of the tract within the coastal shoreline AEC to h. Projects that require a CAMA.Major Development Permit may also
be covered by impervious and/or built-upon surfaces,such as require a Stormwater Certification.
pavement,building,rooftops,or to be used for vehicular driveways (i) Has a site development plan been submitted to the Division of
or parking. Water Quality for review?
22,725 SF total with 6,559 SF impervious proposed wfin j]Yes !.�No DNA
AEC,so 28.9%
(II)If yes,Ilst the date submitted:
i. Give the percentage of the entire tract to be covered by impervious
and/or built-upon surfaces,such as pavement,building,rooftops,
or to be used for vehicular driveways or parking.
77,327 SF total with 40,648 SF impervious so 53%
_ l
j. Describe proposed method of sewage disposal. k. Have the facilities described in Item(i)received state or local 1
N/A approval?
Dyes DNa ®NA
If yes,attach appropriate documentation.
I. Describe location and type of proposed discharges to waters of the m. Does the proposed project include an innovative stormwater
state(e.g.,surface runoff,sanitary wastewater,industrial/ design?
commercial effluent,"wash down"and residential discharges). ❑Yes ®No DNA
surface runoff after passing through a 50'vegetated filter If yes,attach appropriate documentation.
RECEIVED
DCM WILMINGTON, NC
JAN192010
252-808-28082::1-8$8.4RCOAST::www.nccoastatmanagement.net
revised:12/28/00

Forrn DCIV12 MP-3 (Upland Development, Page 2 of 2)
m. Describe proposed drinking water supply source(e.g.,well, n. (I) Will water be impounded? DYes ®No DNA
community,public system,etc.) (ii)If yes,how many acres?
N/A
o. When was the lot(s)platted and recorded? p. If proposed development is a subdivision,will additional utilities be
deed-9/19/2008,plat-9/7/2005 installed for this upland development?
©Yes No DNA
iQ 3.414 )O 1
Date
Swear Csb 4OAA
Project Name-�^
0M I•* C11t,GToN1 MeAs)12 e.
Applicant Name
,.;.�.. ee4.04746.2ir
Applicant Signature
RECEIVED
DCM WILMINGTON, NC
JAN 1 9 2010
252-008-2808:: I-808-4RCOAST::www.nccoastalmanagemar�.not revised:12/20106
s
1

Form DCM MP-4
STRUCTURES
(Construction within Public Trust Areas)
Attach this form to Joint Application for CAMA Major Permit,Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
1. DOCKING FACILITY/MARINA CHARACTERISTICS ❑This section not applicable
a. (I) Is the docking facility/marina: b. (i)Will the facility be open to the general public?
['Commercial ®Public/Government [Private/Community Yes ❑No
a. (I)Dock(s)and/or pier(s) d. (i)Are Finger Piers included? ®Yes ONo
(ii)Number 2 If yes:
(Ili)Length 80'floating dock. 121'fixed flshina tiler (ii)Number 1
(iv)Width 8'wide floating dock.6'wide walkway fishing (Ili)Length 40'
pier with 8'wide T. (iv)Width
(v)Floating Yes ®No (v)Floating ®Yes DNo
e. (i) Are Platforms included? Yes QNo f. (I) Are Boatlifts included? Oyes No
If yes: If yes:
(ii)Number 1 (ii)Number
(ill)Length 50'3" (iii)Length
(iv)Width 8 (iv)Width
(v)Floating [Yes INNo
Note: Roofed areas are calculated from dripline dimensions.
g. (i)Number of slips proposed h. Check all the types of services to be provided.
❑Full service,including travel lift and/or rail,repair or
maintenance service
(ii)Number of slips existing Q Dockage,fuel,and marine supplies
❑Dockage("wet slips")only,number of slips:
❑Dry storage;number of boats:
®Boat ramp(s);number of boat ramps: 2
Q Other,please describe:
i. Check the proposed type of siting: j. Describe the typical boats to be served(e.g.,open runabout,
Q Land cut and access channel
charter boats,sail boats,mixed types).
®Open water;dredging for basin and/or channel open runabout.small fishing and pleasure craft.small sail
boats
QOpen water;no dredging required
[Other;please describe:
k. Typical boat length: 18-25' I. (i)Will act% beo open to the general public?
Ll RECEIVED
m. (I)Wit the facility have tie pilings? DCM WILMINGTON, NC
QYes ®No
(ii)If yes number of tie pilings? J A N 1 9 2010
252-808-2805::7-88tf-4RCOAST ::www.nccoast:almanagement.net revised:12,27/06

Form DCM MP-4 (Structures,Page 2 of 4)
2. DOCKING FACILITY/MARINA OPERATIONS OThis section not applicable
a. Check each of the following sanitary facilities that will be included in the proposed project.
❑Office Toilets
❑Toilets for patrons;Number: ; Location:
j]Showers
• Boatholding tank pumpout;Give type and location:
b. Describe treatment type and disposal location for all sanitary wastewater.
N/A
c. Describe the disposal of solid waste,fish offal and trash.
There may be trash receptacles placed on site,which will be serviced by the town of Sunset Beach. If these are not present,
maintenance personeil will police the area at a to be determined frequency to ensure cleanliness of the site.
d. How wfll overboard discharge of sewage from boats be controlled?
it will not be allowed on site,as most boats using the site will not have toilet facilities
e. (i)Give the location and number of"No Sewage Discharge'signs proposed.
N/A
(ii)Give the location and number of"Pumpout Available"signs proposed.
N/A
f. Describe the special design,if applicable,for containing industrial type pollutants,such as paint,sandblasting waste and petroleum products.
N/A,not allowed on site
g. Where will residue from vessel maintenance be disposed of?
N/A,not allowed on site
h. Give the number of channel markers and"No Wake"signs proposed. I No Wake buoy placed within 50 yards of the end of the
breakwaters
i. Give the location of fuel-handling facilities,and describe the safety measures planned to protect area water quality.
N/A,none planned
j. What will be the marina policy on overnight and live-aboard dockage?
Not allowed
k. Describe design measures that promote boat basin flushing?
The vinyl groins will have 2"gaps every two feet,extending from MHW to existing bottom.
I. If this project is an expansion of an existing marina,what types of services are currently provided?
N/A j
RECEfyc,p
DCM WILMINGTON, NC
JAN 1 9 2010
252-808-2808:: 1-888.4RCOAST::www,nccoastatmanasrernent.net revised:12127/06

.
Form DCM MP-4 (Structures, Page 3 of 4)
' f
m. Is the marina/docking facility proposed within a primary or secondary nursery area?
®Yes ❑No
n. Is the marina/docking facility proposed within or adjacent to any shellfish harvesting area?
Oyes ®No
o. Is the marina/docking facility proposed within or adjacent to coastal wetlands/marsh(CW),submerged aquatic vegetation(SAV),shell bottom
(SB),or other wetlands(WL)? If any boxes are checked,provide the number of square feet affected.
(]GW ❑SAV ❑SB i
OWL ®None
p. Is the proposed marina/docking facility located within or within close proximity to any shellfish leases? ['Yes No
If yes,give the name and address of the teaseholder(s),and give the proximity to the lease.
3. BOATHOUSE(including covered lifts) ®This section not applicable
a. (I) Is the boathouse structure(s):
❑Commercial ❑Public/Government ❑Private/Community
(ii)Number
(ill)Length
(iv)Width
Note: Roofed areas am calculated from dripline dimensions.
4. GROIN(e.g.,wood,sheetpile, etc. If a rock groin,use MP-2,Excavation and Fill.) El This section not applicable
a. (i) Number 2
(ii)Length 130'on east side.115'on west side
(iii)Width 1_5'
5. BREAKWATER(e.g.,wood,sheetpile,etc.) This section not applicable
a. Length b. Average distance from NHW,NWL,or wetlands
c. Maximum distance beyond NHW,NWL or wetlands
6. MOORING PILINGS and BUOYS ®This section not applicable
a. Is the structure(s): b. Number
❑Commercial ❑Public/Government [Private/Community
c. Distance to be placed beyond shoreline d. Description of buoy(color,Inscription,size,anchor,etc.)
Note: This should be measured from marsh edge,if present.
RECEIVED
e. Arc of the swing DCM WILMINGTON. NC
JAN19Z010
7. GENERAL.
252-808-2800::1-888-4RCOAST::www.nocoastalmenegement.net revised:12/27/06

Form DCM MP-4 (Structures, Page 4 of 4)
a. Proximity of structure(s)to adjacent riparian property lines b. Proximity of structure(s)to adjacent decking facilities.
31'east side, 175'to closest portion on west side approx 300'to private pier
Note: For buoy or mooring piling,use arc of swing including length
of vessel.
c. Width of water body d. Water depth at waterward end of structure at NLW or NWL
4W -4.0 at NUN
e. (i) Will navigational aids be required as a result of the project?
Dyes .+No DNA
(ii)If yes,explain what type and how they will be implemented.
8. OTHER DThis section not applicable
a. Give complete description:
Site is to be used as a public boatramp,designed and built by the NC Wildlife Resources Commission,but operated and
maintained by the Town of Sunset Beach. Construction proposals include a paved parking lot with a stormwater infiltration
basin,and a concrete launch ramp with a floating dock,with vinyl groins on either side providing a dredged area deep enough
to use at low water.
IR TA N 10
Date
51)A3Scr DMA IMA
Project Name
Mo*wlv6t. i:Gd14#tow Oar—
Appli ant Name
/
vAtimaig
Applicant Signature
bErVLj .v t: °
DCM WILMINGTON. N,
JAN 1 9 2010
252-608-2808:: 1.888.4RCOAST::www.nccoastalmanariement.net revised:12/27106

•
I -
NORTH CAROLINA WILDLIFE RESOURCES COMMISSION
DIVISION OF ENGINEERING SERVICES
1720 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1720
[phone] FAX: [phone] V I C I NTY MAP
PROJECT
SUNSET BEACH BOATING ACCESS AREA
PROPOSED CONSTRUCTION
ATLANTIC INTRACOASTAL WATERWAY , .. a ,. .*Yg,� N.
Brunswick County, North Carolina lk
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DESIGN ENGINEER: Tom Covin•ton• o-, -,DATE:March 2009 S `
NOFI � LDUFE•.RE8OURCES COMMISSION ` 'SCALE: 1:50' .. Existing Conditions
•
a. iA iiliRwl• 1 . 1ef{1 3(a4RQLRa .: ti 9t9.Z07E1t!{90 M,E949.7i3TA48?_FAX r tXl
:REVISION •. •
•
. IkU�•CO N' - - - • `
C ASTAL;�_, ,. •CADD FILE ID.CA..?\Sunset Beach.DWG
.
r

1
— MilliLimits of Disturbance
A
1
/ / 242' t
k 5 111
III I
Proposed ::1:::l::::n
Proposed
\ \._ l4..2
R2�10 45' ' It
/ 1)i t ..,
�- �" la 1'�� G3 (11 10' I
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Proposed Asphalt Parking and Access Drive 5' G"202' - - - L Proposed Concrete Dock Abutment iczo 1c19
' .. ,c,6
�« 7
6, w _ �0r i 1 Proposed Concrete Boat —,e...—Ramp ic,a `ic„ . . . .
I i kzz ".
Existing Bulkhead y • ' icl2a *
IO 2I 2 LJL_ •� I /`'N oposed•W. looting Dock ro,a .
c Mean High Water Line Y •
+ -
�v :::::::t
15' 4" Ili Y 14 4 , y-Pro d 191hy1 and Wow= e Breakwater•
R20 9 _ - - �I°=I i
" " .�� Prop• inyl and Wood Pile Breakwater -�'
n ii ic2 i 7 - .s''- r
•
��7�� cat � • � -. • ,
.��`�� Existing Wood Bulkhead to Remain %" ` ` = if 1 1�,�
��� Fill �� v 1=wv '+ \NOTE: NO II-1 IMPACT,,' �,
!//J Coastal Marsh �� `.' % '. .'_ ." _`.'.'.-_'. . I,_ it 7 ,!
• j C'``• l
Limits of Disturbance 2005 NCDOT _ ! .` -, _ - r' /S� " f' f t" ��f�_ e.' n
Delineation • 'a 1 - 112 Vg" ._,. I�= \ 0 + r* , S - 4 / 2 I�
m� Traffic Flow •ic.3a lev • i - ••• •'•' ` •_ _ ` k7 ( t .+ 'O
// v�wv A\I t 1 c6 1 ! 1 O. �.
Illr ADA Parking ic33! LL - ' ' `.�qsV _ . L of f �''„- J t /'
II=- :tit.' I c:
Proposed wood . ,' ,` .`• '..t" i _ _ " � V/ --•.�—_ - I i f ` -�., /�✓
������ w r r= �''
dockhnralkway . (S" y �1 \\�,`\�= lS� c� / .' a ,.� ;•r'r.
, ' • - . % / f \�..- ' ,, INTRAGOASTAt WATERWAY
�• � v + v' � \�1 l t 1 �r SA/HOW and PNA classification
w4 '/ _ --'/' t - ` f/"r
50. 0 5.0 ` 0 ��\111�`��\\\\\"",1���,\\�1��,���� --A-:{ — i� __,/� ,, 475'.to Opposite Shore
50 '' --3-`" _--- t ' —" �` "` '`1/` 77,327 SF Lot size-
- . is � y� 8' t - �;�� "� ��-�'�'�> High Density Development
MI ® . -cam' _----" " � ��,i �- „.. 22725 SF within AEC;6,427 SF tmperwous within AEC
r- -"" �' �� ^' 18,8Q0 CF Storage to.treat I 24 hour storm
Scale 1" = 50' �� ,!.- 9:
• • DESIGN ENGINEER: Tom Covington • DATE:March,2009 ,-! " .t
• Stir -Sehernittie '•; -- -- Proposed
CQWIMISSION
"•-'
�.- • ',;:,- SCALE: 1:50, P
,4 .IN WILDLIFE RESOURCES
•
r d'°' ;REVISION.:'
} E. . ..RAL�CQt1,.NfJRTH ftAFdOLI�tA37�9 gts1.707.0159 OFFICE 919 707 0162 FAX
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AGK C4Ut+itY NI �L1�IA iN'1'1�A�OA�'1"AL.WA, Q
DWG
' 'CADD FILE ID: C:\...\Sunset Beach. ��

4 V
\ LEGEND Bui
.s. \
y 80' USAGE Setback ine
I—,M,-1 Mean Him water Line
N
20 0 20 v a ' —�� �' tlAeanLow Water une
. D4shobed Could Harsh
W --:1111 ,,, 4 3 - - • tit
Scale 1" = 20' o / . •�•iii �,ii
' — i�
4 4 4 — \ '''a / �
-——- Limits of Disturbance
A ÷
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ar\
�� Proposed wood
: '4 '- dodrr«ra kway
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ii.._„ ..„ , • \isii_vio , '4 130'
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eg..°'
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JAB 1 9 010
, . .3 r--- \
Nit+ 4 1 0 7 0 / ___....-.4.\\
ltiri c, • `.; X tb 3 4 INTRACCA5T,4L WATERWAY
y SA/19QW and PNA classification .
i i 1 \ 1 • 475'to Opposite Shore •
` 1 ;. \ �. \
Approx 58,30G 5F Lot sites High Density
n r r Dev ment
N `y :t ` a• " I ai 1 • '� 3 l y a �� \ Approx 16,584 51`within AEC
. , _ •. t. DESIGN ENGINEER Tom Covington ':r)ATE: March 2009
—.n rww r.rr:rr_
j '� v tcES COMMISSION SCALE: 1:20 IProposed
'Y , ^S- t"'..A.i._/-%:). 9.rar.stse[]Price 9ts.704011kt f REVISION -
,:r* -. CARD FILE ID:C:1...ISunset Beach.DWG .-

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Temporary ewaering location, •
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\. . surrounded by silt fence ...—•
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PrIsmoidal Volume Results
Original Surface Modet, existing
niter a.. Fence Post
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, .... 9.4,
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, 1111
11111 Final Surface Modell
Cut Compaction Factor:
Fill Compaction Factor! Proposed
1,411---111-, - -
_----.....-_ „,...---- - - .......-.11001i...A. 1
. - 111 •=r 1
11111111111111111k61144 6- /
, i
11111 Raw Cut Volume i 1413.66 Cu yd
_,.
Milill- - Lqa , Compacted Cut Volume' 0.00 cu yd
. ... - a ' 1111111 ---..iiiik Total Cut Volume: 1413.66 cu yd
......- ,......- --,--- -
-,
-- --4110 1111
..,,, arse,
rench
...---• T I ..._ A.
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:411 •
11111 Raw Fill Volume: 412.82 Cu yd
Compacted Fill Volume' 0.00 cu yd
•
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'--... k A -.1,...- , Total Fill Volume' 412.82 Cu yd
-...---,..-- tr' center ow.- 1
....... --
...-- ' to center .. / IIP ,
ilp 1
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• ( To be dredged below MHW 313 cu yd
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Trench Filter Cloth WOW\•• Tr , qpr qv, .7,I6_417„.qpfoirm.r . /".40/4444.11. ../
'111 A egil„hrliVAV...4ra Wy*kJ!, Ler.01" 1... ." er .4,0' 41 i .
/KUL w/wire back 4,11110a il •
WOW II AI, V.1.4W.A'r..47,441r/AlitarrittA.441P-1,''V
* 4,10 41
•lw k..., I
Attach fabric to poet with wire backing SOW • • •.44..4-*wr-41° Ir.!.1 4#di I
Extend filter cloth into trench InIIIMP'. ,•tt'41k." 4 "4"-4:tr-41-1".. i• A 444/. .."
Trench size is 4.x8" and avow
length of trench / iiIIIMIIK Ah,7"...tr.oft.."1, -- ir
mailwilL ix. ,, • .,.4j:A.1109',4,11.4 ef,
Silt Fence Detail . Lim look:
viii isia0,, • te...00,4,-.....?;,:=T-401' ,e,if r 'V
0. „,tegi.:',17.1eqi .- .71 400/:4. 1.2o • ic49 106
NTS gikE %INN.op", , ,.
all 111;Me,elP 111, . " • • ..
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LEGEND
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...... ...
ii‘ils ‘IMI191114/LS.:41.,..__...1.... .; .........a......_ ,
. I -
M_b_v19111. 111. --/.."..- i , _ r.---'--'-7----- -- /„// 1 1102/OP'
0.1 — . .
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103
k,,„,_i Mean High Water Line Ikt ./41b7I -01.6.''.--
-sa.19111111111111141.1,--,---- \ 1 •1.i. ,0-2021.---":„----- 1,0/0 i 0.0...-'""'`'' c12
-.4M1/6- \ ....,...4••'-':,, , -", ',`„,,C.---:"-------------7--- - 11;4 0100,".
1--N.1.1-1 Mean Law Water Line \ ---...—_,..)
•
. . . . . . . .
...O.LI"- , 7.,4,0423 • " • • • • 11
....-- . en- r•--' ....--.
VS
,,,.*. .../.....
I-. Coastal Marsh --:--- /, :7::-.. . •.• - -\I!--_---_--_-_70,i e- ,?..--1- - - •
- -------..„... `,. N''. kr;.1-% ' ; .• * - - - - - I;1--'-r-----Or . -7* • '
.7.74P Cut -_, . _ ____.............,_,tr• ,.1, - - - ,--)
,....„--: -.... --- -:,......„- -....::,.----------Wh'w ••1--__---E-•--ri-/I - - ,, ,„.. 80' USACE Setb. e
.4.4A -. . ..____._
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,
Imp psi !I,.4,•1
-——- Limits of Disturbance
. ...-S- . ......."....-
.
Spoil Area ...., ,........... , . . . . . s--,..., . . . . .."......* . . . . . . . 'I4':- 1.-111
ir.34
E______I Silt Fence 103 ."
* - * - • - * - - - * • • ".- ..*".."* ‘117-:---= - 1
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--- ,. -
---
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. •
_..— •
JAN 1 9 2010
, . DESIGN ENGINEER: Tom Covington :•;:g. DATE:March 2009
I•
j. _ ,,...• ._;- L.: . L. i.. • -- : RCES COMIVIISS1ON SCALE.150 . Proposed
- •-••L
- - 1---
• • • .,:-.1.....:-..,.e _u. A ON 919.707.11159 OFFICE 91 itIOY.11162 FAX REVISION:
.., -,.
.1 'CADE)FILE 10:CA...1Sunset BeacrIDWG ..-5:-:''''= -r

•
Ramp and Existing Ground Profile
lop of Prop Ramp El 10.0
•..'---'•,:- --9 •v w1"�•,•.••.••�•7�q�__---- MLW=0 Exlstln- Ground
2.I'Layer Consists of: •._.. .:,.„.�,;� ;_������-.•❖........-.•.`.-.❖.❖.A.-...•.....+...-•-,.-.- _'���747�7��:�. -
7.5"Concrete Slab •.;. '-•
6"#57 Stone End Prop Ramp EI=-4.0 Proposed Ground Profile Exist.Ground Profile
I'Class B Erosion Control Stone
1 Ramp is to be placed at a slope of 14% Area to be dredged
Floating Dock Profile
so' la'
l 00'-8"
r20" 1-..-- 8, _...1
.--,- u`��
-� •� �_ ii a a Ai a ai l A a ai a i- a a i MMW=4°0
�.�.r Topof Dock flucutates,but maintains loaded freeboard of 20
Top of Dock EL 7.8 Ft • ='=m6,:•: - MLW=O
-.''_,,a,_p;� . End Pro- Ram- EI=-4.0
Proposed Ground Profile
East Side Groin Profile
Note: West Side Groin profllR identical except Note: 2'gaps to be placed every 2'the entire
length of the breakwater. Spaces will extend
i I 43.0' 14'shorter at south end.
from the mudline to the top of the breakwater. •
2 �I� 87.0 Top of Wall EL 6.0 Ft
i i I i a '° ,, T`T - �� �M € __ —! - MIIW=4.0
I . !.� k. �_ .�.,:v • if i i MLW=0
' I • I !,_�, ____ __ _ _ ---_ a_ __ _
•
•
I i I , I ' • , , T I Proposed Ground Profile
8-9"TipPile treated to 2.25 CCA Typical,
1�'� i ist-Ground Profile
I i I : . 4"x6" Whaler EL 0.2' .. d
Sunk to a minimum 8' depth or refusal. - • ` - • �- , 1 j i 1 '
Vinyl Sheet Pile Embedment 8' minimum or refusal 1' ? .2 �Ci/iJ
Not to Scale
' a DESIGN ENGINEER: Tom
.•. : , °''..° � _ CovingtonApril09
Y 7 Gi ( .INA 1 LDLIFE RESOURCES COMMISSION ` , F SCALE: 1
' ,DATE.
'o eestite%RALEW:/N TH CAROUNA 27699 919.707,0159 OFFICE 919 707 0162 FAX ' -- • ''
40
.,. s.. .• , . °• _ . . REV ° -
`v, t W ` �00TACW TE, (L. . . ,\.-\Sunset DWG . 0.
. . IS ON
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`c.: • � � �(L.--ADD FILE ID:C Beach. - �E, ,

Asphalt/—
—2'Graduated Benchmark Post-
Drive Post 12"deep ad mark in
tenths of a foot starting with !2.0
at the bottom of the basin. Asphalt
4G''x whaler typ.
full pool elevation: 15.0 J (CCA treated)
_ Vinyl sheet piling
basin bottom elevation: 12.0
Edistance varies L'I r/ O
Graded Aggregate Base J
— 2" gap as required
TYPICAL INFILTRATION BASIN SECTION
C \ 9'
N.T.S.
2la a. 8" Dia. CCA
—6'-0" I Treated Piling
P:f TAProposed Public Fishing Pier V
N.T.S.
r Sheet Pile Wall
' -- �4" . Top View
PROPOSED TYPICAL ROADWAY
i�. I'
CROSS SECTION i - -- s'-2" inin
. .:______,___,___.,—
F
I __________,___:
1. -.t. ... _ -
,,=, ,:.:„
,; II e See Inset'A' 2x 12 * (2) 2x4 cap
...______...= ______,
__________
2 Asphalt Pavement .1:12 slop , 2 _
(proposed) 1.1....0�1,�"•` li g' �n��in9to ADA 8" Dia wood piles(typ.)
.Lriiii=ii=1i—n=11 1. reuiretner�ts .9 Treated to 2.5 CCA
:ii=u=u—n—�I=ii= ,
4"ABC Stone —u=n—u—a=il—n I
n=n—irn=u—uI
u=H=H=u=n=u r o � Top of Wall EL 6.0 Ft
Earth Base Material i i- I
(existing) a 5 I l
( 9) i 14"-16"r"
i timber bolt timid! Mf1W EL 4.0 Ft ��
with OG was I 1111 4"x6" whaler typ.
TYPICAL RAMP III (ACQ treated)llill
CROSS PROPOSED TY 2"x6"handrail
mount ♦ pain did steel handrail, r 2"x6"cap board
CROSS SECTION or painted, er -- 11 MLW EL 0 Ft 41. . rip
or galvanized to resist
corrosion Piles to be driven
1.5"x0.5" toaminimum
7.5"Concrete Ramp a 2"x4"picket aluminum pickets embedded depth 110 V nyl sheet piling
(proposed) r�ount 4"x6"wood post of 8'or refusal
6"ABC Stone i� 3.� i 2"x6"wood deck boards
.•4:4�.A : ,
7,, ��- Not To Scale
(proposed) miiimme
4"x6"wood stringers Sheet Pile Wall
'Class B Rip Rap 2"x10 wood pile cap Inset'A'.-.
(Proposed) '13 � ���` Side View s
galvanized Emberill
boas with II 2"x6"board angled to
oc washers prevent racking,every
other section of posts 3'' ' 1- '
8"dia tip pile
DESIGN ENGINEER: Tom Covington , "�
DATE:April 09
tC Cross Sections -
_ ���'�� . CALE 140 •� .
IFEr RESOURCES COMMISSION :� ,�+ " . -8�
. si4 .� ;:p�.. f. - i on REVISION:
.,,I.t. .. < . / FAX V 4....
NOR'f1i'C.AROLINA 27899 919 707.0159 OFFICE 919.707'0162 :; .y" '-•, w
i?�tom.��conk l [6P1. ( ���'.w � ::. ��;r f oQv iY:, r C A .�L NA ,1141"f #�qt�.' 'fA4ANKI VA* ,' 1CADD FILE ID C:\...\Sunset Beach DWG j : _„