SW8070303_Historical File_20070326

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March 26, 2007
John E. Galarde, Member Manager
Ridge Field Development, LLC
6800 Wrightsville Ave., Suite 18
Wilmington, NC 28403
Subject: Stormwater Permit No. SW8 070303
Ridge Field at Middle Sound
High Density Subdivision Project
New Hanover County
Dear Mr. Galarde:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
The Wilmington Regional Office received a Stormwater Management Permit Application for
Ridge Field at Middle Sound on March 5, 2007. Additional information was submitted on March 26,
2007, to complete the application. Staff review of the plans and specifications has determined that the
project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000.
We are forwarding Permit No. SW8 070303 dated March 26, 2007 for the construction of the project,
Ridge Field.at Middle Sound.
This permit shall be effective from the date of issuance until March 26, 2017, and shall be
subject to the conditions and limitations as specified therein. Please pay special attention to the
Operation and Maintenance requirements of this permit. Monitoring wells are required on the infiltration
basin with recordkeeping, maintenance, and reporting. Failure to establish an adequate system for
operation and maintenance of the stormwater management system will result in future compliance
problems. -
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within sixty (60) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and
binding.
If you have any questions, or need additional information concerning this matter, please contact
Mary Jean Naugle, or me at [phone].
Sin ly,
E
Regional Supervisor
Surface Water Protection Section
ENB/mjn: S:1WQSISTORMWATIPERMIT1070303 marf)7
cc: Jeff Malpass, Malpass Engineering, P.C.
New Hanover County Inspections and New Hanover County Engineering
NC DOT Division 3, District 3
Wilmington Regional Office and Central Files
M. J. Naugle
N,y�e nCarourl a
dvaial�
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: www.ncwaterouality_org Fax [phone]
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper

State Stormwater Management Systems
Permit No. SW8 070303
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
John E. Galarde, Member/Manager and Ridge Field Development, LLC
Ridge Field at Middle Sound
3210 Middle Sound Loop Road, Harnett Township, New Hanover County
FOR THE
Construction, operation and maintenance of five (5) infiltration basins in compliance with the
provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the
approved stormwater management plans and specifications and other supporting data as
attached and on file with and approved by the Division of Water Quality and considered a part of
this permit.
This permit shall be effective from the date of issuance until March 26, 2017 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(7) on page 3 of this permit. The subdivision is permitted for 20
lots, each allowed 3500 square feet per lot of built -upon area on lots numbered 1
through 20; and 36 lots, each allowed 3800 square feet per lot of built -upon area on lots
numbered 21 through 56.
3. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
4. All stormwater collection, treatment, and discharge 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.
5. All runoff from built -upon areas on the lot must drain into the permitted system.
6. Monitoring weiis shall be provided on each infiltration basin to ensure performance and
maintained as described in Section 11 (6) and (14) (h) of this permit.
Page 2 of 8

State Stormwater Management Systems
Permit No. SW8 070303
7. The following design elements have been permitted for this infiltration basin stormwater
facility, and must be provided in the system at all times-
Urft
Basin 9
Bastn 2
-Basin
n 4
Mtn
a. Drainage Area
Onsite
Offsite
Acre
ft2
ft2
5.23
227,819
0
5.22
227,383
0
2.88
125,453
0
4.21
183,388
0
4.21
183,388
0
b. Total Impervious
Buildings
Streets/Parking
Sidewalks
2
ft
86,833
51,300
31,272
4,261
86,833
51,300
31,272
4,261
61,230
34,200
23,878
3,152
74,968
35,000
35,182
4,786
74,968
35,000
35,182
4,786
c. Design Storm
inch
1.5
1.5
1.5
1.5
1.5
d. Infiltration Basin
Depth
feet
1.5
1.5
1.5
1.5
1.5
e. Bottom Elevation
FMSL
22.5
22.5
22.5
22.5
22.5
f. Surface Area at Btm
ft2
2016
1613
1316
1536
1577
g. Storage/bypass El.
FMSL
24
24
24
24
24
h. Min. Storage Volume
most stg in and
ft3
3,665
3,104
2,518
2,891
2,967
i. Type of Soil
Se
Se
Se
Se
Se
j. Expected Infiltration
in/hr
12
12
12
12
12
k. Time to drawdown
hours
2.7 12.7
.7 1
1.7
1.7
I. Receiving Stream
Page's Creek
m. River Basin
Cape Fear
n. Stream Index Number
18-87-22
o. Classification of
Water Body
SA;HQW
II. SCHEDULE OF COMPLIANCE
1. No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (such
as swales) shown on the approved plans as part of the stormwater management system
without submitting a revision to the permit and receiving approval from the Division.
2. The permittee is responsible for verifying that the proposed built -upon area for the entire
lot, including driveways and sidewalks, does not exceed the allowable built -upon area.
Once the lot transfer is complete, the built -upon area may not be revised without
approval from the Division of Water Quality, and responsibility for meeting the built -upon
area limit is transferred to the individual property owner.
3. 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.
4. 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.
5. During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately. Infiltration systems should not be used as erosion
control devices, du.- to the potential' clogging. 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.
Page 3 of 8

State Stormwater Management Systems
Permit No. SW8 070303
6. Suitably designed and constructed monitoring wells shall be provided at the locations
shown on the approved plans.
a. The water level in each monitoring well shall be recorded after the first 1-inch
rainfall event and at least once a month thereafter. This water level monitoring in
each well shall be recorded within forty-eight (48) hours of a design storm rainfall
event.
b. Chronic high water table elevations (within 1 foot of the bottom of the system for a
period of three months) shall be reported to DWQ immediately.
c. Monitoring well observations, made by a certified soil scientist, shall be submitted in
writing to the Division of Water Quality regional supervisor quarterly.
d. The permittee can petition the Division of Water Quality to reduce the frequency or
eliminate the reporting and / or monitoring requirements only after three (3) full
calendar years of data have been collected and reported which indicate that the
water level in the monitoring wells has not exceeded the reported Seasonal High
Water Table elevation and the infiltration basins are performing as designed.
7. 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 the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area.
e. Further subdivision, acquisition, or sale of 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.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
8. The Director may determine that other revisions to the project should require a
modification to the permit.
9. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and
prior to operation of this permitted facility, a certification must be received from an
appropriate designer for the system installed certifying that the permitted facility has
been installed in accordance with this permit, the approved plans and specifications, and
other supporting documentation. Any deviations from the approved plans and
specifications must be noted on the Certification.
10. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DWQ. The records will indicate the permit number, facility
name, date, and activity, name of person performing the work and what actions were
taken.
11. Permanent seeding requirements for the stormwater control must follow the guidelines
established in the North Carolina Erosion and Sediment Control Planning and Design
Manual.
12. This permit shall become void unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other supporting
data.
13_ Prior trancfpr of the pA► nit, the stonrwater facilities will be inspected by DWQ personnel.
The facility must be in compliance with all permit conditions. Any items not in
compliance must be repaired or replaced to design condition prior to the transfer.
Records of maintenance activities performed to date will be required.
Page 4 of 8

State Stormwater Management Systems
Permit No. SW8 070303
14. The permittee shall at all times provide the Operation and Maintenance necessary to
assure that all components of the permitted stormwater system function 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. Monthly scheduled inspections.
b. Sediment removal.
C. Mowing and re -vegetation of side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and
specifications.
f. Debris removal and unclogging of structures, orifice, catch basins and piping.
g. Access to all components of the system must be available at all times.
h. The water level in the monitoring wells will be recorded after the first 1-inch
rainfall event and at least once a month. Chronic high water table elevations
(within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately. Monitoring well observations, made by a certified
soil scientist, shall be reported to DWQ regional supervisor quarterly.
i. Maintenance of level spreaders in accordance with the approved plans,
specifications, and O & M.
14. A copy of the recorded deed restrictions must be submitted to the Division within 30
days of the date of recording the plat, and prior to selling lots. The recorded copy must
contain all of the statements above, the signature of the Permittee, the deed book
number and page, and the stamp/signature of the Register of Deeds.
16. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick,
stone, slate, coquina and parking areas, but does not include raised, open wood
decking, or the water surface of swimming pools.
17. Prior to the sale of any lot, the following deed restrictions must be recorded:
a. The following covenants are intended to ensure ongoing compliance with State
Stormwater Management Permit Number SW8 070303, as issued by the Division
of Water Quality under NCAC 2H.1000 for project at Ridge Field at Middle
Sound.
b. The State of North Carolina is made a beneficiary of these covenants to the
extent necessary to maintain compliance with the Stormwater Management
Permit.
C. These covenants are to run with the land and be binding on all persons and
parties claiming under them.
d. The covenants pertaining to stormwater may not be altered or rescinded without
the express written consent of the State of North Carolina, Division of Water
Quality.
e. Alteration of the drainage as shown on the approved plans may not take place
without the concurrence of the Division of Water Quality.
f. The maximum built -upon area per lot is 3500 square feet for lots numbered 1 —
20 and 3800 square feet for lots numbered 21-56 in the subdivision at Ridge
Field at Middle Sound. This allotted amount includes any built -upon area
constructed within the lot property boundaries, and that portion of the right-of-way
between the front lot line and the edge of the pavement. Built upon area
includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone,
slate, coquina and parking areas, but does not include raised, open wood
decking, or the water surface of swimming pools.
g. The approved Operation and Maintenance Plan must be followed in its entirety,
maintenance, and reporti^y 1 lust occur at the scheduled intervals where
applicable.
Page 5 of 8

State Stormwater Management Systems
Permit No. SW8 070303
h. All runoff on the lot must drain into the permitted system. This may be
accomplished through providing roof drain gutters, which drain to the street,
grading the lot to drain toward the street, or grading perimeter swales and
directing them into the pond or street. Lots that will naturally drain into the
system are not required to provide these measures.
i. Built -upon area in excess of the permitted amount will require a permit
modification.
III. GENERAL CONDITIONS
This permit is not transferable to any person or entity except after notice to and approval
by the Director. In the event there is either a desire for the facilities to change
ownership, or there is a name change of the Permittee, a "Name/Ownership Change
Form" must be submitted to the Division of Water Quality accompanied by appropriate
documentation from the parties involved. This may include, but is not limited to, a deed
of trust, recorded deed restrictions, Designer's Certification and a signed Operation and
Maintenance plan. The project must be in good standing with DWQ. The approval of
this request will be considered on its merits and may or may not be approved.
2. The permittee is responsible for compliance with all of the terms and conditions of this
permit until such time as the Director approves the transfer request.
3. 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.
4. The issuance of this permit does not preclude the Permittee from complying with any
and all statutes, rules, regulations, or ordinances, which may be imposed by other
government agencies (local, state, and federal), which have jurisdiction.
5. 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.
6. The permit may be modified, revoked and reissued or terminated for cause. The filing of
a request for a permit modification, revocation and re -issuance or termination does not
stay any permit condition.
7. Permittee grants permission to staff of the DWQ to access the property for the purposes
of inspecting the stormwater facilities during normal business hours.
8. The permittee shall notify the Division of any name, ownership or mailing address
changes within 30 days.
9. A copy of the approved plans and specifications shall be maintained on file by the
Permittee for a minimum of ten years from the date of the completion of construction.
Permit issued this the twenty-sixth day of March 2007.
NORT 7ZROLINA E IRO MENTAL MANAGEMENT COMMISSION
forAldn—W. Krimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 6of8

State Stormwater Management Systems
Permit No. SW8 070303
Ridge Field at Middle Sound
Stormwater Permit No. SW8 070303
New Hanover County
Designer's Certification
Page 1 of 2
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 a part of this Certification.
Noted deviations from approved plans and specifications:
Signature
Registration Number
Date
SEAL
Page 7 of 8

State Stormwater Management Systems
Permit No. SW8 070303
Page 2 of 2
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 outlet/bypass structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outlet/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. Required drawdown devices are correctly sized per the approved plans.
13. All required design depths are provided.
14. All required parts of the system are provided, such as a vegetated shelf, a
forebay, and the vegetated filter.
15. The required dimensions of the system are provided, per the approved plan.
16. Monitoring wells are installed around each infiltration basin to ensure proper
drawdown.
17. An Operation and Maintenance Plan has been established with a monitoring,
recordkeeping and reporting system in place as required in the Permit and
Infiltration Supplements.
18. Level spreaders are installed in accordance with the approved plans and O & M.
cc: NCDENR-DWr",' Regional Office
New Hanover County Building Inspections
Page 8of8

D to ived
Fee Paid
Permit Number
OpD, O O
W
State of North Carolina
Department of Environment and Natural Resources
Divisi n of.Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This fort rgy be photocopied for use as an original
.,....
I. GENERAL INFORMATION
1. Applicants name (specify the name of the eorporatipp, individual, etc. who owns the project):
��dnee f;el� Dev4menf , LLC
2. Print Owner/Signing Official's naive and title (person legally responsible for facility and compliance):
Johh G161exp_ 1Vlc�n`e�%laeaaer
3. Mailing Address for person listed in item 2 above:
6300WrAkr a Aft. li 19
1n,
City: YM;Wodho State: A zip: 29YO3
Telephone Number:gl0 ) 256 —2700
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on
plans, specifications, letters, operation and maintenance agreements, etc.):
�;d�e rie� at' ���je Such
5. Location of Project (street address):
3210 &A 54ni L4W
City: Hiltnett Townsko County: New tknover
6.
Directions to project (from nearest major intersection):
r It •• -. •8
7. Latitude: 340
151 ! _ Longitude: %% 17 S of project
8. Contact person who can answer questions about the project:
Name: R 44 ss Telephone Number: ( lit ) 3Y2 S2-V
IL r ,'tMIT INF0W...TI0N:
1. Specify whether project is (check one): J New Renewal Modification
Form SWU-101 Version 3.99 Page 1 of 4

Z If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
1.
3. Specify the type of project (check one): `�
Low Density V High Density Redevelop General Permit Other
4. Additional Project Requirements (check applicable blanks):
TCAiviA Major 1'Sedimentation/Erosion Control T404/ 401 Penriit iNPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project
2. Stormwater runoff from this project drains to the 4W FeQP River basin.
3. Total Project Area: 30,11 acres
5. How many drainage areas does the project have? 5
4. Project Built Upon Area: 2 g,19 %
6. Complete the following information for each drainage area. If there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below.
T.P.1 IrtkOn laf n * I -TakiwYwift Le. *2
Mft I ifo
bi lea I
Area 2
Receiving Stream Name
P (
P txed
Receiving Stream Class
s Kw
•
Drainage Area
5,�3 q� fZ2'1 ZR,1
$,2Z, 4c Z_2
Existing Impervious* Area
—
^
Proposed Impervious*Area
$6 932.5 0
86 932.5
% Impervious* Area (total)
3812 %
38.1
us' Arm
l at ape a
Drahuge Area 2
On -site Buildings
51300 51.
S) 300 s�.
On -site Streets
312-72 S;..
31 272 xf
On -site Parking
—
--
On-site Sidewalks
4,2395 d
41 U 01 S s �.
Other on -site
—
Off -site
T�
Total: 86 832.5 s
Total: $L 83.2,5 jgf,
* Impervious area is defined as the built upon area including, but not timitea to, butlatngs, roaas, parKing
sidewalks, gravel areas, etc. RF(-.lF.TZ%
MAR 0 5 Z007
Form SWU-101 Version 3.99 Page 2 of 4

Infiltration Basin #3
Basin Information
Drainage Area 3
Receiving Stream Name
Pages Creek
Receiving Stream Class
SA; HQW
Drainage Area
2.88 ac.
Existing Impervious Area
Proposed Impervious Area
61,230 s.f.
% Impervious Area (total)
148.81%
Impervious Surface Area
Drainage Area 3
On -site Buildings
34,200 s.f.
On -site streets
23,878 s.f.
On -site Parking
-
On -site Sidewalks
3,152 s.f.
Other on -site
-
Off -site
-
Total:
61,230 s.f.
Infiltration Basin #4
Basin Information
Drainage Area 4
Receiving Stream Name
Pages Creek
Receiving Stream Class
SA; HQW
Drainage Area
4.21 ac. i ,
Existing Impervious Area
-
Proposed Impervious Area
74,967.5 s.f.
% Impervious Area (total)
40.88%
Impervious Surface Area
Drainage Area 4
On -site Buildings
35,000 s.f.
On -site streets
35,181.5 s.f.
On -site Parking
-
On -site Sidewalks
4,786 s.f.
Other on -site
-
Off -site
-
Total:
74,967.5 s.f.
T d6to 0. ~ e{ 4

Infiltration Basin #5
Basin Information
Drainage Area 5
Receiving Stream Name
Pages Creek
Receiving Stream Class
SA; HQW
Drainage Area
4.21 ac.
Existing Impervious Area
-
Proposed Impervious Area
74,967.5 s.f.
% Impervious Area (total)
40.88%
Impervious Surface Area
Drainage Area 5
On -site Buildings
35,000 s.f.
On -site streets
35,181.5 s.f.
On -site Parking
-
On -site Sidewalks
4,786 s.f.
Other on -site
-
Off -site
-
Total:
74,967.5 s.f.
MAR I I I'll

7. How was the off -site impervious area listed above derived? NA,
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a
table listing each lot number, size and the allowable built -upon area for each lot must be provided as an
attachment.
1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit
number as issued by the Division of Water Quality. These covenants may,
not be changed or deleted without the consent of the State.
2. No more than _ square feet of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood_
decking or the water surface of swimming pools.
3. Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossing.
4. Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to
. construction.
5. All permitted runofj`from outparcels or future development shall be directed into the permitted stormwater control
system. These connections to the stormwater control system shall be performed in a manner that maintains the
integrity and performance of the system as permitted.
By your signature below, you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above, 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 State, and that they will be recorded prior to the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement forms) listed below must be submitted for
each BMP specified for this project. Contact the Stormwater and General Permits Unit at [phone] for the
status and availability of these forms.
Form SWU-102
Wet Detention Basin Supplement
Form SWU-103
Infiltration Basin Supplement
Form SWU-104
Low Density Supplement
Form SWU-103
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Form SWU-107
Underground Infiltration Trench Supplement
Form SWU-108
Neuse River Basin Supplement
Form SWU-109
Innovative Best Management Practice Supplement
Form SWU-101 Version 3.99 Page 3 of 4

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. The complete application package should be
submitted to the appropriate DWQ Regional Office.
1. Please indicate that you have provided the following required information by initialing in the space
provided next to each item.
Initials
• Original and one copy of the Stormwater Management Permit Application Form Jm
• One copy of the applicable Supplement Form(s) for each BMP JUA
• Permit application processing fee of •$+40 (payable to NCDENR) 1 %194 JBM
• Detailed narrative description of stormwater treatment/management JBIA
• Two copies of plans and specifications, including: JDA
Development/Project name
- Engineer and firm
- Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf, please complete this section.
Designated agent (individual or
Mailing
3 q A.
City: W4 Ihina h r,
Phone: ( 110 ) 312- 5�43
VIIL APPLICANT'S CERTIFICATION
ro
State: NC Zip: 28 y12
ax: ( _910 3 92 4203
I, (print or type name of person listed in General Information, item 2) JOAh G44r e
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 15A
NCAC 2H .1000.
Signature:
Date: 11- 15 --0 6
Form SWU-101 Version 3.99 Page 4 of 4

Permit No. '� 4� 6 ri 03
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERNIIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name : t;dde Field a+ A' le -S%PJ
Contact Person: Jeff Ad oats Phone Number: &I
This worksheet applies to: Basin No.
(as identified on plans)
in Drainage Area I
(from Form SWU-101)
II. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable
source of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type Se
Infiltration Rate 12.
SHWT Elevation 2 0.5
Basin Design Parameters
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
or cf/hr/sf (circle appropriate units)
fmsl (Seasonal High Water Table elevation)
15 inch (1.5 inch event for SA waters, I inch event for others)
192.5 c.f. kalf of p•aJ V86ft$
2,78 days
ft. x ft. = 2,016 sq. ft. (bottom dimensions)
c.f. E- i, f of poet # 3 rrw1dej V666 = 21) 403 40
22,5 fmsl
fmsl <— Jes y
2`1 fmsl
Form SWU-103 Rev 3.99 Page 1 of 3
v o1kUne ;s shred in

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Man,
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Cods
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
j �JU� a CvetPm iQ Dented 5o feet from class SA waters and 30 feet from other surface waters.
in. Pw 60" b. System is located at least 100 feet from water supply wells.
A- c. Bottom of system is at least 2 feet above the seasonal high water table.
J 51A d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
J SIA e. System is not sited on or in fill material or DWQ approval has been obtained.
It K11 be» f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
g. Drainage area for the device is less than 5 acres.
J M h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters ). Design volume and infiltration calculations attached.
B1111 j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
.161r1 k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
J 8M in.
J BM n.
Jim o.
A nretmntment device such as a catch basin, grease trap, filter strip, grassed Swale or
sediment trap is provided.
Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided.
Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
Flow distribution mechanism within the basin is provided.
JBM p. A benchmark is provided to determine the sediment accumulation in the pretreatment
device.
B q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
�M r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
Im s. Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Page 2 of 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE. AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for
erosion, trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover,
mow vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and
overflow structures for blockage and deterioration. Remove any blockage and repair the
structure to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or
when depth in the pretreatment unit is reduced to 75% of the original design depth. The system
shall be restored to the original design depth without over -excavating. Over -excavating may
cause the required water table separation to be reduced and may compromise the ability of the
system to perform as designed. Removed sediment shall be disposed of in an appropriate
manner and shall not be handled in a manner that will adversely impact water quality (i.e.
stockpiling near a stormwater treatment device or stream, etc.). A benchmark shall be
established in the pretreatment unit. The benchmark will document the original design depth so
that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading
and not readily penetrate into accumulated sediments.
When the design elevation reads 5.32 in bypass outlet structure 3 (the
pretreatment unit), the sediment shall be removed from both the pretreatment unit and
the infiltration basin.
5. If the Division determines that the system is failing, the system will immediately be repaired to
original design specifications. If they system cannot be repaired to perform its design function,
other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved,
and constructed.
6. The water level in any monitoring wells will be recorded after the initial 1 inch rainfall and,
thereafter, at least once a month. Monitoring well observations made by a certified soil scientist
must be reported to DWQ regional office semi-annually at a minimum. Chronic high water table
elevations (within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
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.
Print Name-aud Title: r��
le
Address. t1 Wt v' Sit 12 tv ;n C 2M403
Phone: 10-256- 7o0 e: 2-28-0
Signature:
Note: The legally responsift-1Sarty 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.
a Notary Public fort=�"
' , County of
do hereby eg rtify that personally appeared
before me this �� day of 2t= ovZ , and acknowledge the due
execution a forgoing infiltration basin maintenance requirements. Witness my hand and
offic'
SEAL >(r�'AO ,
I I L 1�5
Form SWU-103 Rev 3.99
My commission expires n//'o la
Page 3 of 3

Ridge Field at Middle Sound
Justification for Item III G. not being met.
The drainage area is only 0.23 acres over the 5 acre limit.
The project has the following alternative design items:
-infiltration rate is above 2 in/hr (12 in/hr)
-inlet distribution flow mechanism
-pretreatment settling pond to remove sediment prior to infiltration basin
-monitoring wells around the basin with frequent soil scientist certifications of
performance and reports submitted to DWQ

Permit No. ��� O D j
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name: %e
Contact Person: .leis �
This worksheet applies to: Basin No. 2
(as identified on plans)
Phone Number: ( 9l0 ) 341 - 5-243
in Drainage Area Z
(from Form SWfI-101)
H. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable
source of soils information. All elevations s4all be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Se
Infiltration Rate
12
in/hr
or cf/hr/sf (circle appropriate units)
SHWT Elevation
Zb.T
fmsl
(Seasonal High. Water Table elevation)
Basin Design Parameters
Design Storm
1-5
inch
(1.5 inch event for SA waters, I inch event for others)
Design Volume
1 l2.5
c.f.
E- half g pry 4#3 rq 'r64 vokhe
Drawdown Time
days
Basin Dimensions
S� �qg�p� -424n
Basin Size
ft. x
ft. = sq. ft. (bottom dimensions)
Basin Volume Provided
—
c.f.
E• 441f +f f0AJ *3 rravW vtl4me; 21408
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
22. S fmsl
fmsl
24 fmsl
E- jesvk volkrrta �s t}tirui Ir► tmj #3
Form SWU-103 Rev 3.99 Page 1 of 3

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Mangy
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Codt
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
J 6M a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
3jfob . MY
kna_ whir b. System is located at least 100 feet from water supply wells.
A c. Bottom of system is at least 2 feet above the seasonal high water table.
BM d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
ism e. System is not sited on or in fill material or DWQ approval has been obtained.
It W-11 be. f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
g. Drainage area for the device is less than 5 acres.
BA h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
J BA i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters ). Design volume and infiltration calculations attached.
J6A j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
k. All side slopes stabilized with vegetated cover are no steeper than 3:1. (H:V).
AtA 1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
J Birl m.
Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided.
J n.
Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
Ah o.
Flow distribution mechanism within the basin is provided.
Bin p.
A benchmark is provided to determine the sediment accumulation in the pretreatment
device.
J IM q.
Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
r.
System is designed to draw down the design storage volume to the proposed bottom
elevntinn under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
JBIY1 s.
Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Page 2 of i

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for
erosion, trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover,
mow vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and
overflow structures for blockage and deterioration. Remove any blockage and repair the
structure to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or
when depth in the pretreatment unit is reduced to 75% of the original design depth. The system
shall be restored to the original design depth without over -excavating. Over -excavating may
cause the required water table separation to be reduced and may compromise the ability of the
system to perform as designed. Removed sediment shall be disposed of in an appropriate
manner and shall not be handled in a manner that will adversely impact water quality (i.e.
stockpiling near a stormwater treatment device or stream, etc.). A benchmark shall be
established in the pretreatment unit. The benchmark will document the original design depth so
that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading
and not readily penetrate into accumulated sediments.
When the design elevation reads 5.32 in bypass outlet structure (the
pretreatment unit), the sediment shall be removed from both the pretreatment unit and
the infiltration basin.
5. If the Division determines that the system is failing, the system will immediately be repaired to
original design specifications. If they system cannot be repaired to perform its design function,
other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved,
and constructed.
6. The water level in any monitoring wells will be recorded after the initial 1 inch rainfall and,
thereafter, at least once a month. Monitoring well observations made by a certified soil scientist
must be reported to DWQ regional office semi-annually at a minimum. Chronic high water table
elevations (within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
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.
Print Name nd Title: Gr C'- ( -ejP _ i o� /4 elr
Address:690(� 1WK;- ;v• A/C 03
Phone: 0-2 6 r 27oo te: -2.8-
Signature: -,
Note: The legally respohsibW 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.
I, , a Notary Public for S too ,County of
do hereby certi y that personally appeared
be ore me his day off- o ,and acknowledge the due
execution of t'hg forgoing infiltration basin maintenance requirements. Witness my hand and
official seal, G. LZ
SEAL
Pu BoO
My commission
Form SWU-10'3r•`33Page 3 of 3
expires Z44,4

Ridge Field at Middle Sound
Justification for Item III G. not being met.
The drainage area is only 0.22 acres over the 5 acre limit.
The project has the following alternative design items:
-infiltration rate is above 2 in/hr (12 in/hr)
-inlet distribution flow mechanism
-pretreatment settling pond to remove sediment prior to infiltration basin
-monitoring wells around the basin with frequent soil scientist certifications of
performance and reports submitted to DWQ

Permit No. 60F) 09 0 9:3
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name: k1ge N1 it' M446, saltKd
Contact Person: fikalp jW Phone Number: (410 ) 311- S2y3
This worksheet applies to: Basin No. 3 in Drainage Area 3
(as identified on plaits) (from Form SWU-101)
II. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable
source of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Se
12
20.5
0 or cf/hr/sf (circle appropriate units)
fmsl (Seasonal High Water Table elevation)
Basin Design Parameters
Design Storm I.5 inch (1.5 inch event for SA waters, I inch event for others)
Design Volume ZG78 c.f. 4 puld # 2 retu-'red volume
Drawdown Time i3 3 days
Basin Dimensions
Basin Size ft. x ft. = 1 316 sq. ft. (bottom. dimensions)
Basin Volume Provided c.f. F fend tt2 prov.,dej vel�Me = �It 031
Basin Elevations
Bottom Elevation 22,5 fmsl Storage Elevation — fmsl F des,-jn vai%me is AnJ in 42,
Top Elevation 24 fmsl
OR
Form SWU-103 Rev 3.99 Page 1 of 3

M. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Man,
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Codt
Section: 15 A NCAC 2H .1008.
Tnitial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
bIA a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
J BA b. System is located at least 100 feet from water supply wells.
JBM c. Bottom of system is at least 2 feet above the seasonal high water table.
8 d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
JBM e. System is not sited on or in fill material or DWQ approval has been obtained.
It WJ1 be. f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
J Bull g. Drainage area for the device is less than 5 acres.
JOJV1 h Soilc have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
J BA i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters ). Design volume and infiltration calculations attached.
JBM j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
,1$IVl k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
Jim 1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
JBM m.
JBM n
o.
J BM p.
Jim
0
Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided.
Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
Flow distribution mechanism within the basin is provided.
A benchmark is provided to determine the sediment accumulation in the pretreatment
device.
Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
J Bn1 r. System is designed to draw down the design storage volume to the proposed 'bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
J 5m s.
Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Page 2 of 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for
erosion, trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover,
mow vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and
overflow structures for blockage and deterioration. Remove any blockage and repair the
structure to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or
when depth in the. pretreatment unit is reduced to 75% of the original design depth. The system
shall be restored to the original design depth without over -excavating. Over -excavating may
cause the required water table separation to be reduced and may compromise the ability of the
system to perform as designed. Removed sediment shall be disposed of in an appropriate
manner and shall not be handled in a manner that will adversely impact water quality (i.e.
stockpiling near a stormwater treatment device or stream, etc.). A benchmark shall be
established in the pretreatment unit. The benchmark will document the original design depth so
that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading
and not readily penetrate into accumulated sediments.
When the design elevation reads 3.412 in bypass outlet structure 2 (the
pretreatment unit), the sediment shall be removed from both the pretreatment unit and
the infiltration basin.
5. If the Division determines that the system is failing, the system will immediately be repaired to
original design specifications. If they system cannot be repaired to perform its design function,
other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved,
and constructed.
6. The water level in any monitoring wells will be recorded after the initial 1 inch rainfall and,
thereafter, at least once a month. Monitoring well observations made by a certified soil scientist
must be reported to DWQ regional office semi-annually at a minimum. Chronic high water table
elevations (within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
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.
Print Name and Title:
Address: 9100 Wr;
Phone: 0 '7a
Signature:
�� 4 14 tf Jr+1
Note: The legally responsible ykqXshld 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.
I, , a Notary Public for t St to of , County of
do hereby ertiff����,, tha L personally appeared
before me' is day of LK o , and acknowledge the due
execution of the forgoing infiltration basin maintenance requirements. Witness my hand and
official seal, G.
-••••,
vO�vr► yVQ
SEAL
Form SWU-103 was
My commission expires O l
Page 3 of 3

Permit No. 5(06 O 9 ba:- a:2zo-
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name:
Contact Person:
Phone Number: (116 ) 312- —52-Y3
This worksheet applies to: Basin No. y in Drainage Area 4
(as identified on plans) (ftom Form SWU-101)
II. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable
source of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Se
Infiltration Rate
12-
12D
or cf/hr/sf (circle appropriate units)
SHWT Elevation
AS
fmsl
(Seasonal High Water Table elevation)
Basin Design Parameters
Design Storm
5
inch
(1.5 inch event for SA waters, I inch event for others)
Design Volume
S .5
c.f.
4- 9F Pond
Drawdown Time
1,64
days
Basin Dimensions
Basin Size
ft. x
—' ft. _ 5.36 sq. ft. (bottom dimensions)
Basin Volume Provided
c.f
half of P ORI *1 m4ed V96A g = 1 b13 $,5. 5 10
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
Form SWU-103 Rev 3.99
Z2,5 fmsl
fmsl f Join v96fte is dered in pent � i
Z4 fmsl
Page 1 of 3

III.11REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices ManL
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Codt
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
J$M a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
J BM b. System is located at least 100 feet from water supply wells.
J RA c.. Bottom of system is at least 2 feet above the seasonal high water table.
J SM d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
J A e. System is not sited on or in fill material or DWQ approval has been obtained.
Ti- v.41 6. f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
BM g. Drainage area for the device is less than 5 acres.
h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
ABM is System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters ). Design volume and infiltration calculations attached.
38M j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
ABM k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
.JBI�I m. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided.
BNl n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
J Br1 o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment
device.
OfA q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
M r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
J BIX s. Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Page 2 of 3

'IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for
erosion, trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover,
mow vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and
overflow structures for blockage and deterioration. Remove any blockage and repair the
structure to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or
when depth in the pretreatment unit is reduced to 75% of the original design depth. The system
shall be restored to the original design depth without over -excavating. Over -excavating may
cause the required water table separation to be reduced and may compromise the ability of the
system to perform as designed. Removed sediment shall be disposed of in an appropriate
manner and shall not be handled in a manner that will adversely impact water quality (i.e.
stockpiling near a stormwater treatment device or stream, etc.). A benchmark shall be
established in the pretreatment unit. The benchmark will document the original design depth so
that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading
and not readily penetrate into accumulated sediments.
When the design elevation reads 4.7o in bypass outlet structure . I (the
pretreatment unit), the sediment shall be removed from both the pretreatment unit and
the infiltration basin.
5. If the Division determines that the system is failing, the system will immediately be repaired to
original design specifications. If they system cannot be repaired to perform its design function,
other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved,
and constructed.
6. The water level in any monitoring wells will be recorded after the initial 1 inch rainfall and,
thereafter, at least once a month. Monitoring well observations made by a certified soil scientist
must be reported to DWQ regional office semi-annually at a minimum. Chronic high water table
elevations (within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately.
1 acknowledge and agree by my signature
maintenance procedures listed above. I
to any changes to the system or responsi
Print Name and
Address:4200 lk
Sign
Note: The legal
the lots
below that I am responsible for the performance of the five
agree to notify DWQ of any problems with the system or prior
JV party.
ble party-stfbuld not be a homeowners association unless more than 50% of
sold and a resident of the subdivision has been named the president.
6-14449d"a Notary Public for the State of N , County of
o hereby rtif that personally appeared
before me this day of o a z , and acknowledge the due
execution of the forgoing infiltration basin maintenance requirements. Witness my hand and
official seal, w
f'' ,,()TAR y
SEALI� ,,. � My commission expires 1107
Form SWU-1 MA#=YA Page 3 of 3

Permit No. 6COS 0`7 D:-�> 05
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERNIIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWO Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name : lido$ Fi a4- M,IA� 5otJ
Contact Person: JeO /441pul Phone Number: (110 ) 392-52g3
This worksheet applies to: Basin No.
5
(as identified on plans)
in Drainage Area 5
(from Form SWU-101)
II. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable
source of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Se
Infiltration Rate
12.
in/hr
or ef/hr/sf (circle appropriate units)
SHWT Elevation
ZO S
fmsl
(Seasonal High Water Table elevation)
Basin Design Parameters
Design Storm
1-5
inch
(1.5 inch event for SA waters, I inch event for others)
Design Volume
q,5$T ,5
c.f.
4- POA4
Drawdown Time
�� 6
days
Basin Dimensions
Basin Size
T
ft. x
-" ft. _11577 sq. ft. (bottom dimensions)
Basin Volume Provided
`'
c.f.
4, jw« ri' �ohi I �rov,-44 volum¢6,325,5 �3
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
22S
2.`I fmsl
Form SWU-103 Rev 3.99 Page 1 of 3
fmsl
fmsl F aesl9n v06" is shrr k ih pens I
MAR 0 5 2007

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Man,.
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Codt,
Section: 15 A NCAC 2H .1008.
initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
JR a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
J014 b. System is located at least 100 feet from water supply wells.
J Bm c. Bottom of system is at least 2 feet above the seasonal high water table.
J M d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
J NA e. System is not sited on or in fill material or DWQ approval has been obtained.
It Al be. f.
System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
J 11A g.
Drainage area for the device is less than 5 acres.
J Brn h.
Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
8A i.
System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters ). Design volume and infiltration calculations attached.
B j.
System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
J Bm k.
All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
J OPA 1.
A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
J BM m.
Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided.
JIA n.
Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
JDNl o.
Flow distribution mechanism within the basin is provided.
J BA P.
A benchmark is provided to determine the sediment accumulation in the pretreatment
device.
J Bl� q.
Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
J 8M r.
System is designed to draw down the design storage volume to the proposed bo«onn
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
J �m s.
Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Wage 2 oY .i

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT.
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for
erosion, trash accumulation, vegetative cover, and general condition. .
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover,
mow vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and
overflow structures for blockage and deterioration. Remove any blockage and repair the
structure to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or
when depth in the pretreatment unit is reduced to 75% of the original design depth. The system
shall be restored to the original design depth without over -excavating. Over -excavating may
cause the required water table separation to be reduced and may compromise the ability of the
system to perform as designed. Removed sediment shall be disposed of in an appropriate
manner and shall not be handled in a manner that will adversely impact water quality (i.e.
stockpiling near a stormwater treatment device or stream, etc.). A benchmark shall be
established in the pretreatment unit. The benchmark will document the original design depth so
that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading
and not readily penetrate into accumulated sediments.
When the design elevation reads 4.70 in bypass outlet structure (the
pretreatment unit), the sediment shall be removed from both the pretreatment unit and
the infiltration basin.
5. If the Division determines that the system is failing, the system will immediately be repaired to
original design specifications. If they system cannot be repaired to perform its design function,
other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved,
and constructed.
6. The water level in any monitoring wells will be recorded after the initial 1 inch rainfall and,
thereafter, at least once a month. Monitoring well observations made by a certified soil scientist
must be reported to DWQ regional office semi-annually at a minimum. Chronic high water table
elevations (within 1 foot of the bottom of the system for a period of three months) shall be
reported to DWQ immediately.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
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
)J party. �f
Print Name and Title:.
Address: 690D Wri Ff6v e , 19 c 2 b
Phone: 2.-
Signature:
Note: The legally respon ' rty 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.
a Notary Public fort e State of l: , County of
do hereby c rtify that Y"Aer personally appeared
before me this L& day of o© , and acknowledge the due
execution of the oing infiltration basin maintenance requirements. Witness my hand and
official seal,
P G. �O.4%
O
SEAL a My commission expires D D
-
Form SWU-103 9G- �� Page 3 of 3

LEVEL SPREADER OPERATION AND MAINTENANCE AGREEMENT
The level spreader is defined as an elongated, level threshold, designed to diffuse stormwater runoff.
Maintenance activities shall be performed as follows:
. After cc.ns11=ticn and until vegetation has been established, level spreader(s) ;hall be inspected after
every rainfall. Thereafter, level spreader(s) shall be inspected at least every month and more
frequently during the fall season and after heavy rainfall events:
a. Accumulated sediment, leaves, and trash shall be removed, and repairs made if required.
b. Inspect level spreader(s) for evidence of scour, undercutting, settlement of the structure, and
concentrated flows downhill from the level spreader(s).
c. A level elevation shall be maintained across the entire flow -spreading structure at all times.
Repair or replace the level spreader if it is damaged.
d. Mow vegetative cover to a height of six (6) inches and prune plants if they cover over half of the
level spreader surface.
e. Repair eroded areas and replace/replant dead or damaged vegetation.
2. The contractor should avoid the placement of any material on and prevent construction traffic across
the structure. If the measure is damaged by construction traffic, it shall be repaired immediately.
3. Inspect and repair the collection system (e.g., catch basins, pipes, swales, riprap) four (4) times a year
to maintain proper functioning.
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.
Print name: 'J�o L4n - C3Gt.� a rd LO
Title: 164 v-jMa"ck tor
q
Address: ` rVM � 'ak vo�
Phone: / — ' —
Signature:
Date:
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.
I, , a Notary Public for the State off
ounty of ,Pic_ , do hereby certify that ee.,C7&Z td
personally appeared before me this tg day of Q.-&, , "07' , and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
��� G • orb �'i
R Go
SEAL
My commission expires D
Page 1 of 1

G G�»
In accordance with Title 15 NCAG 2H.1000, the Coastal Stormwater Management Regulations, deed
restrictions and protective covenants are required for High Density Residential Subdivisions where
lots will be subdivided and sold and runoff will be treated in an engineered stormwater control facility.
Deed restrictions and protective covenants are necessary to ensure that the development maintains a
"built -upon" area consistent with the design criteria used to size the stormwater control facility.
I, John 'E. Gal4 -e , acknowledge, affirm and agree by my signature below, that
I will cause the following deed restrictions and covenants to be recorded prior to the sale of any lot:
1. The following covenants are int nded to ensure ongoing compliance with State Stormwater
Management Permit Number DW 16 O'l c � ©-?�> , for project at Ridge Field at Middle
Sound, as issued by the Division of Water Quality under NCAC 2H.1000.
2. The State of North Carolina is made a beneficiary of these covenants to the extent necessary to
maintain compliance with the stormwater management permit.
3. These covenants are to run with the land and be binding on all persons and parties claiming
under them.
4. The covenants pertaining to stormwater may not be altered or rescinded without the express
written consent of the State of North Carolina, Division of Water Quality.
5. Alteration of the drainage as shown on the approved plan may not take place without the
concurrence of the Division of Water Quality.
6. The maximum allowable built -upon area per lot is 3,500 square feet for lots 1-20 and 3,800
square feet for lots 21-56. This allotted amount includes any built -upon area constructed within
the lot property boundaries, and that portion of the right-of-way between the front lot line and the
edge of the pavement. Built upon area includes, but is not limited to, structures, asphalt,
concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised,
open wood decking, or the water surface of swimming pools.
7. All runoff from the built -upon areas on the lot must drain into the permitted system. This may be
accomplished through a variety of means including roof drain gutters, which drain to the street,
grading the lot to drain toward the street, or grading perimeter swales to collect the lot runoff
and directing them into a component of the stormwater collection system. Lots that will naturally
drain into the system are not required to provide these additional measures.
8. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance
must occur at the scheduled intervals, including reporting where applicable.
9. Built -upon area in excess of the permi a nt will require a permit modification.
Signature: Ilk
•WA/� ;� • •
do hereby certify
appeared
before me this the ;U? day of s;L" , 2W7 _, and acknowledge
the due execution of the foregoing instrument. Witness my hand and official seal,
2, At,�
Signature
My Commission expires 7/01Zo_ QZ
SEAL

North Carolina Secretary of State
Page 1 of 1
North Carolina
i�l1'!71' Marshall PAR�l"�+1 E N I OF THE
^i y A'..
;_ ` SeCli3'1tal�IIE`1'RYF SYT
PO Box 29622 Raleth, NC 2T62"622 (919)807-loan
_s
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Corporation Names
Name Name Type
NC Ridge Field Development, Legal
LLC
Limited Liability Company Information
SOSID:
0794127
Status:
Current -Active
Date Formed:
7/25/2005
Citizenship:
Domestic
State of Inc.:
NC
Duration:
Perpetual
Registered Agent
Agent Name: Galarde, John
Registered Office Address: 6800 Wrightsville Ave
Suite 18
Wilmington NC 28403
Registered Mailing Address: 6800 Wrightsville Ave
Suite 18
Wilmington NC 28403
Principal Office Address: 6800 Wrightsville Ave
Suite 18
Wilmington NC 28403
Principal Mailing Address: No Address
For questions or comments about the Secretary of State's web site, please send e-mail to Webmaster,
h4://www.secretary.state.nc.us/corporations/Corp.aspx?PitemId=7791458 3/26/2007

March 5, 2007
To: Mary Jean Naugle
NCDENR-DWO
From: Justin Bishop, E.I.
Malpass Engineering, P.C.
Re: Ridge Field at Middle Sound
New Hanover County
I have added the monitoring well detail to sheet 9 of 15. I have also added a check valve
to each of the 3 stormwater force main lines just outside each bypass outlet structure.
2 sets of the revised plan, the original page 2 of 4 of the stormwater application, and the
original page 1 of 3 of the basin supplement for each of the 5 infiltration basins are
provided. Please switch out the provided pages with the pages submitted at the submittal
meeting on Thursday, March 1, 2007. The stormwater calculations packet has not
changed.
Thanks.
To kLV e� IF AiP7%-�Wv�
MAR 4 6 ?407
L

STORMWATER NARRATIVE & CALCULATIONS
ir
RIDGE FIELD AT, -A.11ADDLEL, SOUND
FOR:
RIDGE FIELD DEVELOPMENT, LLC
6800 WRIGHTSVILLE AVE., SUITE 18
WILMINGTON, N.C. 28403
PH 910-256-2 i00
FEBRUARY 28, 2007
PREPARED BY:
MALPASS ENGINEERING, P.C.
1134 SHIPYARD BLVD.
WILMINGTON, N.C. 28412
[phone] PHONE
[phone] FAX

Narrative
Description:
Travel approx. 3.2 miles north on U.S. 17 (Market St) from the intersection of U.S. 17
and U.S. 74 (Eastwood Rd). Turn right onto SR 1403 (Middle Sound Loop Rd) and
travel approx. 0.68 miles. Veer right on SR 1403 (Middle Sound Loop Rd) and travel
approx. 0.67 miles. The site is on the east side of SR 1403.
Total site acreage is approx. 30.71 acres.
Total disturbed acreage is approx. 25.58 acres.
Soils to be disturbed are mainly: Se, Mu, Ke, Wr, Ls, Pn & Cr.
The runoff from the site was estimated using the rational Method, 10 year design storm
and rainfall data for the area.
The purpose of this project is to create a residential subdivision.
Ridge Field at Middle Sound is a high -density project. Stormwater from the site will be
captured in 3 retention ponds and the volume required by the state will be pumped into
the 5 infiltration basins while the remaining runoff will be bypassed.
Erosion Control Measures:
The attached plans and specifications state or show required Sediment and Erosion
Control measures to be taken.
A gravel construction entrance will be constructed at the entrance off of Middle Sound
Lonn Rd.
The retention ponds will serve as sediment basins.
Silt fence will be installed as shown on plan.
Outlet and inlet protection will be installed as shown on plan.
Mulch
Construction Sequence:
Install gravel construction entrance and silt fence as shown on plan. Install retention
pond #1'infiltration basins, pond 41 storm drain pipes, and inlet & outlet protection.
Lots 1-20 are to be cleared and graded to drain to inlets. Install utilities. Install box
culverts under Ridge Field. Drive, swale A, and swale B. Immediately seed and stabilize
swales with excelsior matting prior to any rainfall. Then install retention pond #2, pond
#2 storm drain pipes, and inlet & outlet protection. Lots 21-29 are to be cleared and
graded to drain to inlets. Install utilities. Install box culverts under Bent Blade Lane,
culvert A, and outlet protection. Then install retention pond #3, pond 43 storm drain
pipes, and inlet & outlet protection. Lots 30-56 are to be cleared and graded to drain to
inlets. Install utilities. Upon completion of any phase of activity disturbed areas will be
seeded within 21 days of no construction.

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6OW16 66or2522
�'i�sreise�o� �Yoa�i �aaoGa`ar28f 02
J°'e�• 990--f52-0009
96w 990-452-0060
�%lo6eaG� �oaG
v � .1Ba�dralov
J
Jeff Malpass
Malpass Engineering, PC
1134 Shipyard Blvd.
Wilmington, NC 28412
�ocm.�v�+andv Fi�.eae� �aAk
February 28, 2007
Reference: Soil Suitability/Stormwater Infiltration at Ridge Field at Middle Sound, New
Hanover County, NC.
Dear Jeff:
On May 23 2006, Land Management Group, Inc. evaluated a 30.71-acre parcel for soil
characterization for stormwater feasibility. The purpose of the evaluation was to describe
the soil profile, quantify the depth to the seasonal high water table, and to inform the
project engineer of any potential limitations of this project. Estimates of field
permeability are based upon soil textures and are included in the report.
Figures one, two, three and four include the vicinity map, topo map, soils map and a 1998
infra -red aerial photo of the site. Profile characteristics are included on an attached sheet.
The soils at this site are mapped as Seagate, Kureb, Wrightsboro and Murville in the Soil
Survey of New Hanover County (USDA, 1977). Actual soil borings confirm the soil to
be a BayMeade series, see sheet three.
The Seagate soil has salt and pepper fine sand surface with a light gray fine sand
subsurface horizon to a depth of twenty-four inches. The subsurface horizon is a white to
pale brown loamy fine sand to a depth of forty-two inches. The subsoil is brownish
yellow to yellow loamy sand to a depth of fifty inches. The seasonal high water table is
normally evident by observation of redoximorphic features suggesting conditions of
saturation and reduction. There is some evidence of redoximorphic features at 44" across
this map unit. Seasonal water table is estimated to be at 44 inches. Permeability at 24
inches is estimated to be twelve to sixteen inches per hour based on texture. Soil borings
were made across the front of the tract as shown in Figure five. SHWT was found to be
Stormwater Soils - 1 -

at 42" below the existing soil surface. Attached are the NRCS Published Description as
well as Chemical and Physical Soil Properties.
PONDS 2.3 and 4:
Additional areas at the rear of the site were evaluated for feasibilityfor stormwater
infiltration sites but were deemed unsuitable due to seasonally high water tables and
heavy soil textures.
The sites include the areas represented on the site plan as Ponds one, two and three. All
these sites are situated adjacent to 404 wetlands and have SHWT ranging from < 14
inches up to 42 inches deep. Construction should incorporate adequate measures that
preclude interception and infiltration of groundwater. This would also ensure that
adjacent 404 wetlands would not be dewatered by the ponds.
The most feasible method to protect the pond from I&I is to construct a liner of natural
material at least 1 foot in thickness and having a hydraulic conductivity of no greater
than 1x10"(-6) centimeter per second when compacted, or a synthetic liner of sufficient
thickness to exhibit structural integrity and an effective hydraulic conductivity no greater
than that of the natural material liner. Given the heavy soils encountered on the site, we
recommend the compaction of the pond bottom and construction of a liner in the sidewall
meeting the stated limits. Site testing on the designed/built structures is recommended.
Please do not hesitate to contact me if you have any questions regarding the soil
resources below any proposed stormwater device that is proposed within the study area. I
maybe reached at 910-452-0001, or at [e-mail].
S.0 Certification
Number 57
Attachments
Sincerely,
G. Craig Turner
NC Licensed Soil Scientist, #1091
SC Professional Soil Classifier, #57
Stormwater Soils

NRCS Published Description as well as Chemical and Physical Soil
Properties
Stormwater Soils - 3 -

LOCATION SEAGATE NC+SC VA
Established Series
AG, Rev. MHC
07/1999
SEAGATE SERIES
The Seagate series consists of very deep, nearly level, moderately well and somewhat
poorly drained soils in the Lower Coastal Plain. They have formed in sandy and loamy
marine sediment. Near the type location, mean annual temperature is 63 degrees F., and
mean annual precipitation is 50 inches. Slopes range from 0 to 3 percent.
TAXONONUC CLASS: Sandy over loamy, siliceous, active, thermic Typic
Haplohumods
TYPICAL PEDON: Seagate fine sand - cultivated. (Colors are for moist soil unless
otherwise stated.)
Ap--O to 8 inches; dark gray (1 OYR 4/1) fine sand; single grained; very friable; many fine
roots; many clean sand grains; slightly acid; abrupt smooth boundary. (3 to 8 inches
thick)
E--8 to 12 inches; light gray (10YR 7/1) fine sand; single grained; loose; few medium
roots; moderately acid; clear wavy boundary. (0 to 12 inches thick)
Bhl--12 to 23 inches; dark brown (7.5YR 3/2) fine sand; massive; friable; weakly
cemented; many sand grains coated with organic matter; few clean sand grains; strongly
acid; abrupt irregular boundary.
Bh2--23 to 28 inches; brown (I OYR 5/3) fine sand; single grained; loose; few fine
weakly cemented concretions; many sand grains coated with organic matter; common
clean sand grains; strongly acid; clear wavy boundary. (2 to 25 inches thick)
E'--28 to 36 inches; light gray (10YR 7/2) fine sand; single grained; loose; few fine and
medium brown (10YR 5/3) concretions; moderately acid; clear smooth boundary. (0 to
10 inches thick)
Bt--36 to 40 inches; brownish yellow (1 OYR 6/6) sandy loam; many medium distinct
light gray (1 OYR 7/2) iron depletions; weak medium subangular blocky structure; friable;
sand grains are coated and bridged with clay; few faint discontinuous clay films on faces
of peds; strongly acid; clear wavy boundary (0 to 8 inches thick)
Btg--40 to 66 inches; light gray (1OYR 7/1) clay loam; weak medium subangular blocky
structure; firm; plastic; sticky; very strongly acid. (5 to 40 inches thick)
Stormwater Soils - 4 -

TYPE LOCATION: New Hanover County, North Carolina; 0.4 mile north of junction
of Highways NC 132 and US 421, 300 yards west of US 421, 20 feet north of field road.
RANGE IN CHARACTERISTICS: Solum thickness ranges from 36 to more than 60
inches. The soil is moderately acid through extremely acid, except where the surface has
been limed. Some pedons contain few to common brown nodules that are firm and
strongly cemented.
The Ap or A horizon has hue of I OYR or 2.5Y, value of 3 to 6, and chroma of 1 to 3. It is
sand or fine sand.
The E horizon, where present, has hue of 1 OYR to 5Y or is neutral, value of 5 to 8, and
chroma of 0 to 3. It is sand or fine sand.
The Bh horizon has hue of 5YR to 2.5Y or is neutral, value of 2 to 5, and chroma of 0 to
4. It is sand, fine sand, or loamy fine sand. This horizon is weakly to strongly cemented
and friable to firm. Most of the sand grains are coated with organic matter. Clean sand
grains range from few to common. In some pedons, thin transitional horizons have value
of 6 to 7.
The F horizon, where present, has hue of 10YR or 2.5Y, value of 5 to 7, and chroma of 1
to 4. Redoximorphic features in shades of brown and gray are in some pedons. It is sand
or fine sand.
The Bt horizon, where present, has hue of 1 OYR or 2.5Y, value of 5 to 7, and chroma of 3
to 8. Redoximorphic features of iron depletions and accumulations in shades of gray and
brown range from few to many. It is sandy loam or sandy clay loam.
The Btg horizon has hue of 1 OYR to 5Y or is neutral, value of 5 to 7, and chroma of 0 to
2. Masses of iron accumulation in shades of yellow, brown or red range from none to
many. It is sandy clay loam or clay loam.
COMPETING SERIES: (This section not updated this date; 6/16/97) There are no other
known series in this family. Leon, Mascotte, Newnam, Olustee, Onslow, and Ridg_eland
series are soils in related families. Leon soils lack Bt horizons beneath the Bh horizon.
Mascotte and Olustee soils have no subhorizon in the Bt horizon that has chroma of 3 or
morc, and the water table that rises within 10 inches of the surface for I to 4 months
during most years. Newnam soils are sandy throughout and hyperthermic. Onslow soils
lack a continous Bh horizon and have argillic horizons at depths of less than 20 inches
below the surface. Ridgeland soils lack a Bt horizon beneath the Bh horizon.
GEOGRAPHIC SETTING: Seagate soils are on nearly level fiatwood areas in the
lower Coastal Plain. Slopes are generally less than 2 percent but range up to 3 percent.
The soil formed in a marine deposit of sandy and loamy sediments. Mean annual air
temperature ranges from 58 to 65 degrees F., and mean annual precipitation ranges from
Stormwater Soils -5-

40 to 58 inches. Near the type location the average annual rainfall is about 50 inches and
the mean annual air temperature is about 63 degrees F.
GEOGRAPHICALLY ASSOCIATED SOILS: In addition to the competing Leon,
Mascotte, Olustee, Onslow, and Ridgeland soils, these are the BoMeade, Kureb, Lynn
Haven and Murville soils. Baymeade and Kureb soils are on high, better drained parts of
the landscape, and they lack continuous Bh horizons. In addition, Kureb soils have less
than 5 percent fines to a depth of 2 meters. Lynn Haven and Murville are on the low parts
of the landscape, they lack argillic horizons and they have poorer drainage.
DRAINAGE AND PERMEABILITY: Moderately well drained and somewhat poorly
drained; slow runoff; permeability is rapid in the upper sandy horizons and moderate in
the loamy Bt horizon. The water table is estimated to rise to depths of about 18 to 30
inches 1 to 4 months during most years.
USE AND VEGETATION: About 75 percent of the known acreage of this soil is
wooded or used for residential or urban development. About 25 percent is used for crops
and pasture. Crops commonly grown on these soils are corn, soybeans, peanuts, and
blueberries. Native trees include turkey oak, post oak, red oak, longleaf pine, and loblolly
pine. Some native understory plants are wax myrtle, pineland threeawn, bushy beard
grass, little bluestem, bitter gallberry, large gallberry, and dwarf huckleberry.
DISTRIBUTION AND EXTENT: Lower Coastal Plain of North Carolina and possibly
South Carolina, Georgia, and Florida. The series is of moderate extent, with about 10,000
acres in New Hanover County, North Carolina.
MLRA OFFICE RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: New Hanover County, North Carolina; 1974.
REMARKS: The classification of Seagate series was revised in July 1985 to comply
with recent changes in Soil Taxonomy. It was formerly classified as sandy over loamy,
siliceous, thermic Typic Haplohumods.
Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon - the zone from the surface to a depth of 12 inches.
Bh horizon - the zone between depths of 12 and 28 inches.
Argillic horizon - the zone between depths of 36 and 66 inches.
MLRA: 153A, 153B SIR: NC0016
ADDITIONAL. DATA: N.C. State University Soils Department Laboratory Data.
Stormwater Soils - 6 -

pH Extractable Bases CEC Percent
18:1 KCL 1:1 H2O Ca Mg Na Acidity Sum B.S. Depth 8cic 8cla 6N2d 602b 6P2a 6H2a
5A3a 5C3
32 in. 4.1 5.0 1.2 0.4 0.1 16.33 18.03 9.0
65in. 4.1 5.00.50.5--- 11.17 12.17 8.0
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
NCO016 SEAGATE 0- 3 58- 65 180-240 40- 58 2.0- 70
SOI-5 FloodL F1oodH Watertable Kind Months Bedrock Hardness
NCO016 NONE 1.5-2.5 APPARENT NOV-APR 60-60
SOI-5 Depth Texture
NCO016 0-12 FS S
NCO016 12-28 FS LFS S
NCO016 28-36 FS S
NCO016 36-40 SL SCL
NC0016 40-64 CL SCL
3-Inch No-10 Clay% -CEC-
0-
0
100-100
0- 3
0- 1
0-
0
100-100
3-10
1- 2
0-
0
100-100
1- 5
1- 3
0-
0
100-100
10-35
2- 7
0-
0
100-100
20-40
4- 8
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll
NCO016 0-12 3.5- 6.0 0.-.5 0- 0 6.0- 20 LOW
NCO016 12-28 3.5- 6.0 0.-.5 0- 0 6.0- 20 LOW
NCO016 28-36 3.5- 6.0 .5-2. 0- 0 2.0- 6.0 LOW
NCO016 36-40 3.5- 6.0 0.-.5 0- 0 0.6- 2.0 LOW
N00016 40-64 3.5- 6.0 0. .5 0 0 0.6- 2.0 MODERATE
National Cooperative Soil Survey
U.S.A.U.S.A.
Stormwata Soils - 7 -

.K.
! .. e0,FA
.
go .
SITE t-
' - . it .rki; +► - an. �.. �,�.
r
1 a
a
vl
41
l
Y+ tl
Fy l fat 7 h Y,.i
A.
*Boundaries are approximate and are 'SITE
not meant to be absolute. SCALE 1" = 1 Mile
Map Source: North Carolina Atlas & Gazetteer. Pg 84.2003
Ridge Field at Middle Sound A�AMG Figure 1
New Hanover County, NC LAND MANAGEMENT GROUPnm Vicinity Map
40-05-097 Environmental Consultants
February 2007

-tiounaanes are approximaie anu are
not meant to be absolute.
Map Source: Scotts Hill Quadrangle 7.5 minute (topographic) 1990.
Ridge Field at Middle Sound
New Hanover County, NC
40-05-097
LMG
LlSIQD Mk1dAGEMENT GROUP nnc
Environmental Consultants
SCALE 1" = 1200'
Figure 2
USGS Topgraphic Map
February 2007

*Boundaries are apprcximaie anu al.:
not meant to be absolute.
Map Source: NRCS Soil Survey.
'SITE
SCALE 1" = 400'
Ridge Field at Middle Sound l,M ' Figure 3
New Hanover County, NC LAND MANAGRML'NTGROUP
r+c.®iI$ Map
40-05-097 Environmentel Consultants
February 2007

LUNt. :
V M V � M N { yf \M {sw � L.,/ 1V is! •7 L�.1 • 1
» 1.
0-
1 ft'1
LOTx 25 LOT 25
SANDY6ROOK SANDY�RO
SECTION 1 SECTION
M-8.24 I PC.13 M.B.23 PG
7ALIiA i�f.I rl 70-N 1 R
Soil boring locations
Map Source: New Hanover County soil survey SCALE V = 50'
Ridge Field at Muddle Sound Land Management Group, Inc. Figure 5
New Hanover County Environmental Consultants
40-0"97 Wilmington, N.C. Soil Borings
Stormwater Application February 2007

LMG
LAND MANAGEMENT GROUP INC.
Environmental Consultants
TO: Ms. Jennifer Frye
U.S. Army Corps of Engineers
n n n ._. 1 onn
A . V. Box i V/ v
Wilmington, NC 28402-1890
February 14, 2007
RE: NWP 14/12 Application for Ridge Field at Middle Sound Subdivision
Action ID# 200500617
New Hanover County, NC
Dear Jennifer:
Enclosed is a NWP 14/12 application for your review. This application is submitted on behalf
of Ridge Field Development, LLC for a 30.86-acre tract located off ofMddle Sound Loop Road in
Wilmington, NC: The applicant is proposing to build a 56-lot residential subdivision within the site.
Although he has attempted to minimize impacts through careful site design, road crossings and a
utility crossing will impact 0.158 acre of 404 wetlands (0.148 ac permanent and 0.01 temporary) and
0.021 acre of Waters of the US. To mitigate for these impacts, the applicant proposes to preserve
remaining wetlands on site and buy into the EEP for the restoration of 0.25 acre of non -riparian
wetlands.
The Pre -Construction Notification form, associated maps, and site plan showing the proposed
development are enclosed for your review. Please contact me if you have any questions. Thank you
for your assistance with this project_
Sincerely,
Kim Williams
Wetland Scientist
Encl.
C: John Galarde, Ridge Field Development, LLC
JeffMaipass, Maipass Engineering
Ms. Noelle Lutheran, DWQ
Mr. Ian McMillan, DWQ
www.lmgroup.net • [e-mail] • Phone: [phone] • Fax: [phone]
3805 Wrightsville Ave., Suite 15, Wilmington, NC 28403 9 P.O. Box 2522, Wilmington, NC 28402

LMG
LAND MANAGEMENT GROUP INC.
Environmental Consultonts
TO: Ms. Noelle Lutheran
Division of Water Quality
127 Cardinal Drive Extension
Wilmington, NC 28405
February 14, 2007
RE: 401 Water Quality Certification Application for Ridge Field at Middle Sound Subdivision
Action ID# 200500617
New Hanover County, NC
Dear Noelle:
Enclosed is a 401 Water Quality Certification application for your review. This application is
submitted on behalf of Ridge Field Development, LLC for a 30.86-acre tract located off of Middle
Sound Loop Road in Wilmington, NC. The applicant is proposing to build a 56-lot residential
subdivision within the site. Although he has attempted to minimize impacts through careful site
design, road crossings and a utility crossing will impact 0.158 acre of 404 wetlands (0.148 ac
permanent and 0.01 temporary) and 0.021 acre of Waters of the US. To mitigate for these impacts,
the applicant proposes to preserve remaining wetlands on site and buy into the EEP for the
restoration of 0.25 acre of non -riparian wetlands.
The Pre -Construction Notification form, associated maps, and site plan showing the proposed
development are enclosed for your review. In addition, the $200 application fee has been sent to
DWQ's Raleigh office. Please contact me if you have any questions. Thank you for your assistance
with this project.
Sincerely,
W
Kim Williams
Wetland Scientist
Encl.
C: John Galarde, Ridge Field Development, LLC
Jeff Malpass, Malpass Engineering
Ms. Jennifer Frye, ACOE
Mr. Ian McMillan, DWQ
www.imgroup.net • [e-mail] • Phone: [phone] • Fax: [phone]
3805 Wriuhtsville Ave., Suite 15, Wilmington, NC 28403 o P.O. Box 2522, Wilmington, NC 28402

02/19/2007 07:19 9102562716 GALARDE AND COMPANY PAGE 02/02
New Hanover Cbunty
NORTH*CA ROLIN
WANDA M. COPLOY
Connry Attnrnay
KEMP P. BURPEAU
rjWity County Attomcy
E. BOLT MOORE, III
Aasis= County Attorney
February 12, 2007
NEII V HA,NOVER COUNTY
OFFICE OF THE COUNTY ATTORNEY
GOVERNMENT CENTER
0 MARKET PLACE DRIVE SUITE # 125
ZLMINGTON, NORTH CAROLINA 28403
TUEAHQNE [phone]
PAX [phone]
John Galarde
Galarde and Company, Inc.
6800 Wrightsville Avenue — S ite #12
Wilmington, NC 28403
Re: Ridgefield Subdivision
Dear Mr. Galarde,
l understand that you have inq
rights you have to work withir
developed by Sam Jernigan as
drainage maintenance and imp
the existing ditch. Such work
promote the intent of the genes
As part of the subdivision appl
drainage easements over the "I
ired with Jim Craig, Deputy County Engineer, as to what
that 15 ft.-'drainage way situation on the property to be
Nature'sWalk." As a property owner to be benefited by
ovement, you may at your own expense work to improve
rill enhance drainage for proximate tracts as well as
a public.
,vat process, County Planning will require any additional
atures Walk" parcel as we deem advisable.
Any drainage work you undue ke must fully comply with. all Federal, State and New
Hanover County laws, rules ar l regulations. _.
Please contact me with any qu stion.s
cc: Jim Craig
Sincerely,
4
1. b, WA
Kemp . $urpeau,
Deputy County Attorney
R/cher/k=WLM7ER Garlarde

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Ridge Field - New Hanover County
��e:A Or7
esUt9J61 t 1
Subject: Ridge Field - New Hanover County
From: Mary Jean Naugle <[e-mail]> X p-q
Date: Tue, 28 Nov 2006 16:22:58 -0500 m N up 06
To: [e-mail], [e-mail], mary.naugle@ncmail. et, Rhonda Hall
<[e-mail]> I P(
Jeff and Justin; Ybmi(TG
Please find attached the following: plev� to
* SW checklist
* soil visit request - infiltration depth and soil type samples must
be made at the location of the basin by consultant and confirmed
by Vincent Lewis in this office
* stream classification request submitted to Joanne Steenhuis
* deed restrictions for draft covenants
* pond 0 & M
Although there is no specific setback listed for ponds adjacent to wetlands, the
pond shall not impact the wetlands. It is recommended that the ellipse equation be
run to ensure adequate setback between wetlands and ponds. the website link is:
http://www.wli.nrce.usda.gov/technical/web tool/tools Java.html. Submit
calculation with application.
DWQ recommends a liner of_ natural material _for the pond, since it is close to and
at a lower elevation than the wetlands, of at least one foot in thickness and
having a hydraulic conductivity of no greater than 1 x 10(-6) centimeters per
second when compacted, rather than a synthetic liner, to ensure sustainable
structural integrity of the liner. Include maintenance requirement in the draft
covenants.
Provide design to ensure no discharge to SA waters.
Provide design that will ensure sediment does not build up in pond outlet, pump
system, or infiltration basin inlet that might prevent appropriate draw down of
pond to infiltration basin.
Provide wetlands delineation with MHWL on the plans or statement that none exist on
property.
Please label all correspondence regarding this project as _Ridge Field -New
Hanover _county. There is also a SW project with the same name in Pender county.
Please ensure that this information is _completed prior to submittal of SW
application.
Mary Jean Naugle
NC DENR
Express Permitting - Wi RO
Mary Jean Naugle NC DENR Express WiRO <[e-mail]>
Express
DWQ
NC DENR
.... ...... ...._..... _.__.... _. _......._....._.........................__...._. _ _._... ..............
Checklist for Express Permitting.do,
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1 of 2 11/28/2006 4:26 PM

10/29/2006 23:19 19103430214 MALPASS ENGINEERING PAGE 02
Pee A f' t%k213 to .3v
��TA
WORM
North Carolina Department of Environment and Nsm jral Rgeources
127 Cardinal Drive, Wilmington. NC 28405 (910) 395-39oo FAX [phone]
Request for Express Permit Review
FILL-IN all information below and CHECK required Permn(s).
FAX or email to Cameron. Wes verCaancM0,net along with a narrative and vicini ma of the project location.
Projeeft must be submitted by 9:00 A.M. of the review date, unless prior arrangements are made.
APPLICANT Name die . Fife DeLU _
Comnanv
PROJECT Name Ruse Reg
PROJECT SYSTEMS) TRIBUTARY TO fUes Creek (STREAM NAME)
ENGINEER/CONSULTANT
Company
City/State Kiirwj%n. � Zip 21Y12 County
0_-3 2-52d3 Email '#X*a' IDOSS Okvar rr. rA,%
State or National Environmental Policy Act (SEPA, NEPA) - EA or EIS Required ❑ Yes ❑ No
❑ STREAM ORIGIN Determination; # of stream calls; Stream Name
STORMWA TER ❑ Low Density ❑ High Density -Detention Pond ❑ High Density -Other
Wetlands MUST be addressed below ❑ Low Density -Curb & Gutter 2] High Density -Infiltration ❑ Off Site
❑ COASTAL ❑ Excavation & Fill Bridges & Culverts ❑ Structures Information
MANAGEMENT ❑ Upland Development ❑ Marina Development ❑ Urban Waterfront
❑ LAND QUALITY [7 Erosion and Sedimentation Control Plan with acres to be disturbed.
WETLANDS (401) Wetlands on Property Q Yes ❑ No Isolated Wetlands on Property (] yes 2] No
Check all that MU Wetlands Will Be Impacted f%7/ Yes ❑ No Wetland Impacts: 0 , 13 Acre(s)
Wetlands Delineation has been completed vZYes ❑ No ❑ Buffers Impacted: _----Acre(s)
USA COE Approval of Delineation completed ❑J Yes ® No
nab s%11% 1J 5`r+-*404 Application in process w/USACOE ❑Yes ❑No / Permit received from USACE ❑Yes []NO
401 Application required [oYes ❑. No If Yes, 0 Regular ❑ Express
Additional fees, not to exceed 50% of the original Express Review permit application fee, may be charged for
subsequent reviews due to the Insufficiency of the permit applications.
Far DF_NR use oily .
SUBMITI AL DATES: Fee Split for multiple permits:
SW $
CAMA_ a
LQS $
401 $ Total Fee Amount $

10/29/2006 23:19 19103430214 MALPASS ENGINEERING PAGE 03
10-30-06
To: Cameron Weaver
From: Justin Bishop, E.I.
Malpass Engineering, P.C.
Re: Ridge Field at Middle Sound
Travel approx. 0.51 miles north on U.S. 17 frorn. the in. o£U.S. 1.7 and. U.S. 76.
Turn right onto SR 1.403 (Middle Sound Loop Rd) and travel approx. 0.69 miles. Veer
right on SR 1403 and travel approx. 0.67 miles. The site is on the cast side of SR 1403.
The prgiect is a residential subdivision consisting of 57 lots. The site is 30.71 acres and
approximately 25.51 acres will be disturbed. The project will be high density. The first
1.5" of runoff will be captured in 3 retention ponds and. then pumped to an infiltration
basin. The rest of the runoff is designed to bypass the retention ponds and, a vegetated
filter is provided ,for each pond.
Thanks.

10/29/2006 23:19 19103430214 MALPASS ENGINEERING PAGE 04

10/29/2006 23:19
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