SW8020503_CURRENT PERMIT_20020722

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW�J��5
DOC TYPE
� CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

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[, OF NNA� Michael F. Easley, Governor
`0� QG William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
r
co 7
Alan W. Klimek, P.E., Director
p .- Division of Water Quality
Wilmington Regional Office
July 22, 2002
Mr. David Nathans, President
Plantation, Inc..
PO Box 2473
Wilmington, NC 28402
Subject: Permit No. SW8 020503
City Block
High Density Stormwater Project
New Hanover County
Dear Mr. Nathans:
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for City Block on July 16, 2002. 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 020503 dated July 22, 2002,
for the construction of City Block.
This permit shall be effective from the date of issuance until July 22, 2012, and shall be subject
to the conditions and limitations as specified therein. Please pay special -attention to the
Operation and Maintenance requirements in this permit. Failure to establish 'an adequate system
for operation and maintenance of the stormwater management system will result in future
compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) 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
Noelle Lutheran or me at [phone].
Sincerely,
Rick Shiver
Water Quality Regional Supervisor
RSS/nml: S:1WQSISTORMWATIPERMIT1020503.JUL
CC' Phil Tripp, P.E.
New Hanover County Building Inspections
Beth E. Wetherill, New Hanover County Engineering
Division of Coastal Management
Noelle Lutheran
Wilmington Regional Office
Central Files
NODE t
N.C. Division of Water Quality 127 Cardinal Drive Extension Wilmington, N.C. 28405 [phone] Fax [phone] Customer Service
800-623-7748

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State Stormwater Management Systemg
Permit No. SWS 020503
STATE OF NORTH CAROLINA
DEPARTMENT OF ENN71RONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
,-HIGH -hENSITY 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
Plantation, Inc.
Cinl Block
New Hanover County
FOR THE
construction, operation and maintenance of four infiltration trench systems in compliance with
the provisions of 15A NCAC 211.1000 (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 July 22, 2012, 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 on page 3 of this permit, the Project Data Sheet. The stormwater controls have
been designed to handle the runoff from 71,849 square feet of impervious area.
3. The tract will be limited to the amount of built -upon area indicated on page 3 of this
permit, and per approved plans.
4. All stormwater collection and treatment systems must be located in either dedicated
common areas or recorded easements. The final plats for the project will be recorded
showing all such required easements, in accordance with the approved plans.
5. The runoff from all built -upon area within the permitted drainage area of this project must
be directed into the permitted stormwater control system. A permit modification must be
submitted and approved prior to the construction of additional built -upon area from
outside of the approved drainage area.
2

State Stormwater Management Systems
Permit No. SW8 020503
DIVISION OF
WATER QUALITY
PROJECT DESIGN DATA SHEET -
Project Name:
City Block
Permit Number:
SWS 020503
Location:
New Hanover County
Applicant: -
.. Mr. David Nathans, President
Mailing Address:
Plantation, Inc.
PO Box 2473
Wilmington, NC 28402
Application Date:
July 16, 2002
_ _ ... Receiving-Stream/River Basin/Index 4:
Cape Fear / Cape Fear River / / 18-(71)
Classification of Water Body:
"SC"
Trench Number:
A,B.AB C D E
�Pe
Depth, feet:
4 4 4 4
a
47.5 46.5
Elevation, FMSL:
42 40
Drainage Area, acres:
51,836 12,197 5,663 13,939
Total Impervious Surfaces, fie:
46,476 8,712 4,382 12,280
Offsite Area entering Pond, ft2:
none per Engineer
Required Storage Volume, ft3:
3,873 720 365 1,023
Provided Storage Volume, f13:
7,064. 1,528 1,072 1,698
Temporary Storage Elevation, FMSL:
51.5 50.5 46 44
Controlling Orifice:
Infiltration Drop Inlet with Overflow
Type of Soil:
Orange Tan Fine to Medium Sand
Expected Infiltration Rate:
42" per hour
SHWT Elevation, FMSL:
37
Time to Drawdown, hrs:
1.14
3

State Stormwater Management Systems,
Permit No. SW8 020503 s
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in it's entirety, vegetated and
operational for its intended use prior to the construction of any built -upon surface.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately.
3. The permittee shall..at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at optimum efficiency. The approved
Operation and Mainfenance-Pl.afi:must be followed in its entirety and maintenance must
occur at the scheduled intervals including, but nbt' limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
G. Mowing and revegetation of slopes and the vegetated filter.
d. Immediate repair of eroded areas.
C. Maintenance of all slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device, flow spreader,
catch basins -and piping.
g. Access to the outlet structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DWQ: The records will indicate the date, activity, name of
person performing the work and what actions were taken.
t
5. Decorative spray fountains will not be allowed in the stormwater treatment system.
6. The facilities shall be constructed as shown on the approved plans. This permit shall
become voidable unless the facilities are constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
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 tl e,approved plans and specifications
must be noted on the Certification. A modification may be required for those deviations.
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.
9. The permittee shall submit to the Director and shall have received approval for revised
plans, specifications, and calculations prior to construction, for any modification to the
approved plans, including, but not limited to, those listed below:
a. Any revision to any item shown on the approved plans, including the stormwater
management measures, built -upon area, details, etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or to the drainage
area.
e. Further subdivision, acquisition, or sale of the project area. The project area is
defined as all property owned by the pennittee, 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.
4

State Stormwater Management Systems
Permit No. SWS 020503
10. The penmittee shall submit final site layout and grading plans for any permitted future
areas shown on the approved plans, prior to constriction. If the proposed BUA exceeds
the amount permitted under this permit, a modification to the permit must be submitted
and approved prior to construction.
11. 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.
12. Prior to the sale or Xease of any portion of the property, the permittee shall notify DWQ
and provide the name, mailing address and phone number of the purchaser or leasee. An
access/maintenance easement,_to,..the stormwatcr facilities shall be granted in favor of the
permittee if access fd the stomiwater facilifies will be restricted by the sale or lease of any
portion of the property.
13. The permittee must maintain compliance with the proposed built -upon area and ensure
that the runoff from all the built -upon is directed into the permitted system.
14. 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 pennittee shall submit a written time schedule to the Director for modifying the site to
meet minimum requirements. The permittee shall provide copies of revised plans and
certification in writing to the Director that the changes have been made.
III. GENERAL CONDITIONS
This permit is not transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Water Quality accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may
not be approved. Responsibility for compliance with all permit conditions remains with
the Permittee until such time as the Division approves the fonmal permit request.
2 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.
3. 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.
4. 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
stonmwater management systems.
5. The permittee grants DENR Staff permission to enter the property during normal business
hours for the purpose of inspecting all components of the permitted stormwater
management facility.
6. The permit may be modified, revoked and reissued or terminated for cause. The filing of
a request for a permit modification, revocation and reissuance or termination does not
stay any permit condition.
7. Unless specified elsewhere, permanent seeding requirements for the stormwater control
must follow the guidelines established in the North Carolina Erosion and Sediment
Control Planning and Design Manual.
5

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State Stormwater Management Systems
Permit No. SW8 020503 ,
8. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
9. The permittee shall notify the Division any name, ownership or mailing address changes
within 30 days.
Permit issued this the 22nd day of July, 2002.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
_: = � � '� •r�r�::t. •:� �mot: `, '.
�.� Alan W. Klimek, P.E.; Director
Division of Water Quality
By Authority of the Environmental Management Commission
O

State Stormwater Management'Systems
Permit No. SW8 020503
City Block
Stormwater Permit No. SW8 020503
New Hanover County
Designer's Certification
as a duly registered
in.theState ofNor1h Carolina, having been authorized to
observe (periodically/weekly/full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the project construction such
that the construction was observed to be built within substantial compliance and intent of the
approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
7

State Stormwater Management System'§'
Permit No. SW8 020503
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 axea.
3. All the built':upon area_ associated with the -project is graded such that the runoff
drains to the system.:.;,
4. The outletibypass structure elevations are per the approved plan
5. The outlet structure is located per the approved plans.
6- Trash rack is provided on the outlet/bypass structure.
7. All slopes are grassed with permanent vegetation.
8. Vegetated slopes are no steeper than 3:1.
9. The inlets are located per the approved plans and do not cause short-circuiting of
the system.
10. The permitted amounts of surface area and/or volume have been provided.
11, Required drawdown devices are correctly sized per the approved plans.
12. All required design depths are provided.
13. All required parts of the system are provided, such as a vegetated shelf, and a
foreb ay.
14. The overall dimensions of system, as shown on the approved plans, are
provided.
cc: NCDENR-DWQ Regional Office
New Hanover, New Hanover County Building Inspections

::.::::..:..:::.:..::::..:..::....:.::.....:.:.....::.
2.
Date Received
Fee Paid
Permit Number
��03102.2­0,
l a
.fro a o�s`o 3
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
1. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
Plantation Inc._
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
David A. Nathans, President
3. Mailing Address for person listed in item 2 above:
P.O. Box 2473
City: Wilmington _ State: NC Zip; 28402
Telephone Number: 910-763-8760
4. Project Name (subdivision, facility, or establishment name — should be consistent with project name on
plans, specifications, letters, operation and maintenance agreements, etc.):
01), Block
5. Location of Project (street address):
720 N. 3`a Street
City: Wilmington County: New Hanover
6. Directions to project (from nearest major intersection):
From the intersection of NC Hwy 17 and NC Hwy 117, travel north on 117 for 7 blocks. Site will be on
the right.
7. Latitude : N 340 14' 15" Longitude: W 770 58' 10" of project
8. Contact person who can answer questions about the project:
Name: Charles Cazier Telephone Number:
H. PERMIT INFORMATION:
910-763-5100
1. Specify whether project is (check one): X New Renewal Modification
Form SWU-101 Version 3.99 Page I of

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list
The existing PCrIllit number and its issue date (if known)
3. Specify the type of project (check one):
Low Density 2i_ High Density Redevelop
4. Additional Project Requirements (check applicable blanks):
CAMA Major X Sedimentation/Erosion Control
General Permit Other
404//401 Permit NPDES Stormwater
Information on required state pen -nits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
Ill. PROJECT INFORMATION
1. In the space provided below, summarize how storm -water will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
underground infiltration
2.
Stormwater runoff from this
project drains to the
Cape Fear
River basin.
3.
Total Project Area: 1.92
acres
4. Project Built Upon Area:
85.91
5. How many drainage basins does the project have? 4
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.
e-_Ner 211
Y'm
W, R'
Receiving Stream Name
Cape Fear River
Cape Fear River
Cape Fear River
Cape Fear River
Cape Fear River
Receiving Stream Class
C-SW
C-SW
C-SW
C-SW
C-SW
Drainage Basin Area
1,92 ac
1,19 ac
0.28 ac
0.13 ac
0.32 ac
Existing Impervious* Area
0.147 ac
-
-
-
-
Proposed Impervious* Area
1.65 ac;
1.07 ac.
0,20 ac
0.10 ac
0.28 ac
`Yo Impervious* Area (total)
85.91%
89.8%
71.4%
76.9%
88.30/.
................
...
..
..... I .....
I ..
PR W-7
Oil -site Buildings
32,301 sf
17,473 sf
6,206 sf
3,232 sf
5,390 sf
On -site Streets
-
-
-
On -site Parking
21,875 sf
16,407 sf
-
-
5,469 sf
On -site Sidewalks
17,673 sf
12,596 sf
2,506 sf
1,150 sf
1,421 sf
Other on -site
Off -site
Total:
Y-=71,849 sf
Z=46,476 sf
Y-=8,712 sf
Y-=4,382 sf
E=12,280 sf
* Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking
areas sidewalks, gravel areas, etc.
Form SWU-101 Version 3.99 Page 2 of 4

7. How was the off -site impervious area listed above derived?
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 stormmwater management permit
number as issued by the Division of Water Quality. These covenants may
not he changed or deleted without the consent of the State.
2. No more than square feet of any lot shall be covered by structures of impervious materials.
Impervious materials include asphalt, gravel, concrete, brick atone, slate or similar material but do not include wood
decking or the water surface ofswimming pools.
3. Swales shall not he filled in, piped or altered except as necessary to provide driveway crossings.
4. Built-ulx)n area in excess of the permitted amount requires a state stormwater management permit modification prior
to construction.
5. All permitted runofffrom outparcels or future development shall be directed into the permitted stormwater control
system. These connections to the stormwater control system shall he 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 forni(s) 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
Forni SWU-103
Form SWU-104
Form SWU-105
Form SWU-10b
Form SWU-107
Form SWU-108
Form SWU-109
Wet Detention Basin Supplement
Infiltration Basin Supplement
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Underground Infiltration Trench Supplement
Neuse River Basin Supplement
Innovative Best Management Practice Supplement
Fonn SWU-101 Version 3,99 Page 3 of

V1. 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.
Applicant's Initials
• Original and one copy of the Stormwater Management Permit Application Form G10L
• One copy of the applicable Supplement Form(s) for each BM P �fpL
• Permit application processing fee of $420 (payable to NCDENR) 6M
• Detailed narrative description of stormwater treatment/management CDC
• Two copies of plans and specifications, including: (,nc__
- Deve] opment/Project name
- Engineer and firm
Legend
North arrow
Scale
Revision number and date
Mean high water line
Dimensioned properly/project boundary
Location map with ❑arced 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 firm): Tripp Engineering, P.C.
Mailing Address: 419 Chestnut Street
City: Wilmin 7ton State: NC Zip: 28401
Phone: 9 ] D 763-5100 Fax: [phone]
Vill. APPLICANT'S CERTIFICATION
1, U)rint or type name of person listed in General Information, item 2) David A, Nathans
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 coy nits will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .10
Signature: _( Date: T 3D 0
Form S W U-1 U 1 Version 3.99 Page 4 of 4

PermitNo. O a b a O 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
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
This form may be photocopier! for use as an original
DWQ Stormwater Management_ Plan_ Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
underground infiltration trench supplement for each system, design calculations, and plans and specifications
showing all stormwater conveyances and system details.
1. PROJECT INFORMATION
Project Name: City Block_
Contact Person: Charles Cazier Phone Number; 910 763-5100
For projects with multiple infiltration systems, a supplement form must be completed for each system. This
worksheet applies to: Trench A & B & AB in Drainage Area 2
(from plans) (from Form SWU-101)
Il. DESIGN INFORMATION (attach supporting calculations/documentation);
Soils Report Summary (based upon an actual field investigation and .soil borings)
Soil Type Orange tan fine to medium sand
Infiltration Rate -42 'nlhr or cf/hr/sf (circle appropriate units)
SHWT Elevation 37 fmsl (Seasonal High Water Table elevation)
Trench Design Parameters
Design Volume 3873 c.f.
Design Storm
Drawdown Time
Perforated Pipe Size
Perforated Pipe Length
No. Observation Wells
Stone Type (if used)
Stone Void- Ratio
1.0 inch event (1.5 inch event for SA ivaters, I inch event for others)
4 ' dia-ys hours
6", 12"�24"` inch diameter
264' 220' 136' ft.
NA
#57 crushed rg anite
0.40
Trench Elevations (in feet mean sea level)
Bottom Elevation 47.5 fmsl
Storage/Overflow Elevation 51.5 fmsl
(may be required on a case -by -case basis)
SWU-107 Rev 3,99 rage 1 of

Trench Dimensions
Height
-4 ft. Length 265 ft.
Width _varies ft.
(10', 20', 30')
1-1.1. REQUIRED ITEMS CHECKLIST
Volume Provided 7064.0 cu.ft.
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate 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
L a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
CAL c. Bottom of system is at least 2 feet above the seasonal high water table.
CSC. d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
CDC e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
�pC f. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
CD(— g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour.
C`X� h. System is not sites on or in fill material or DWQ approval has been obtained.
CDC- i. 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.
CX 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.
C k. 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.
C[k 1. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters).
CDC m. Drainage area for the device is less than 5 acres.
cp( n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
60L o. Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
CDC_ p. Sides of infiltration trench are lined with geotextile fabric.
6K q. Rock used is free of fines (washed stone) and has large void ratio.
cD C r. Side to bottom ratio is less than 4;1.
SWU-107 Rev 3.99 Page 2 of

CrDC s. Observation well(s) are provided (case -by -case basis).
NA t . Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters) and
detail is shown on plans.
CDC u . A benchmark for checking sediment accumulation is provided.
IV. UNDERGROUND INFILTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
After every runoff producing rainfall event and at least monthly inspect the bypass/overflow structure for
blockage and deterioration and the infiltration system for erosion, trash accumulation, grass cover, and general
condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash and blockages as needed to maintain
system performance.
Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to 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.
4. The water level in any monitoring wells will be recorded after a 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.
5. If DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. if the system cannot be repaired to perform its design function, other stormwater control
devices as allowed by NCAC 21-1 .1000 must be designed, approved and constructed.
Remove accumulated sediment from the infiltration system annually or when depth in the 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 (Le.
stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the infiltration system. 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 depth at the benchmark reads 0.75' , the accumulated sediment shall be removed from
the system.
S W U-107 Rev 3.99 Page 3 of 4

I acknowledge and agree by my signature below that I am responsible for maintaining the stormwater
collection system in accordance with the six 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: David A. Nathans President
Address: PI
Phone
Signatu
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 bee named the president.
1, Della C. Baird a Notary Public for the Statc of North Carolina , County of
Pender , do hereby certify that David A. Nathans personally appeared before me this
_ -?(D day of 2A�t'; I 2002 , and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements. Witness my hand and official seal,
O �'NQTAgy'- O
PUB LIG
" N •COUN
/!lllfflllj1L44�\
SEAL
ado, (''.
My conmiission expires__ October 15, 2000
S WU-107 Rev 3.99 Page 4 of 4

Permit No.S L)3
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMUT APPLICATION FORM
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
T his 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
underground infiltration trench supplement for each system, design calculations, and plans and specifications
showing all stormwater conveyances and system details.
1. PROJECT INFORMATION
Project Name: City Block
Contact Person: Charles Cazier Phone Number: 910 763-5100
For projects with multiple infiltration systems, a supplement form must be completed for each system. This
worksheet applies to: Trench C in Drainage Area 3
(froin plans) (from Form SWU-101)
H. DESIGN INFORMATION (attach supporting calculations/documentation):
Soils Report Summary (based upon an actual field investigation and soil borings)
Soil Type Orange tan fine to medium sand
Infiltration Rate 42('n/hr or cf/hr/sf (circle appropriate units)
SHWT Elevation 37 fmsl (Seasonal High Water 'fable elevation)
Trench Design Parameters
Design Volume 726 c.f.
Design Storm
Drawdown Time
Perforated Pipe Size
Perforated Pipe Length
No. Observation Wells
Stone Type (if used)
Stone Void Ratio
1.0 inch event (l. 5 inch event for SA waters, 1 inch event for others)
1.14 days hours
24" inch diameter
89, ft.
IM
#57 crushed granite
0.40
Trench Elevations (in feet mean sea level)
Bottom Elevation 46.5 fmsl
Storage/Overflow Elevation 50.5 fmsl
(may be required on a case -by -case basis)
SWU-107 Rev 3.99 Page 1 of 4

Trench Dimensions
Height
Width
4 ft. Length
85 ft.
10 ft. Volume Provided 1528 cu.ft.
UL REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate 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
C:DC- a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
CAL _ b. System is located at least 100 feet from water supply wells.
CX c. Bottom of system is at least 2 feet above the seasonal high water table.
CP(_ d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
CDC e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
C L f. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
C76 g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour.
CDC h. System is not sites on or in fill material or DWQ approval has been obtained.
i. 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.
CDC 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.
CA k. 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.
1. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters).
ON m. Drainage area for the device is less than 5 acres.
C.L n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
o. Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
CL?'l p. Sides of infiltration trench are lined with geotextile fabric.
q. Rock used is free of fines (washed stone) and has large void ratio.
r. Side to bottom ratio is less than 4:1.
SWU-107 Rev 3.99 Page 2 of 4

m

s. Observation well(s) are provided (case -by -case basis).
NA t . Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters) and
detail is shown on plans.
CDC u . A benchmark for checking sediment accumulation is provided.
IV. UNDERGROUND INFILTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
. After every runoff producing rainfall event and at least monthly inspect the bypass/overflow structure for
blockage and deterioration and the infiltration system for erosion, trash accumulation, grass cover, and general
condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash and blockages as needed to maintain
system performance.
Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to 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.
4. The water level in any monitoring wells will be recorded after a i 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.
5. If DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. If the 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. Remove accumulated sediment from the infiltration system annually or when depth in the 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 infiltration system. 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 depth at the benchmark reads 0.75' , the accumulated sediment shall be removed from
the system.
SWU-107 Rev 3,99 Page 3 of 4

I acknowledge and agree by my signature below that i am responsible for maintaining the stormwater
collection system in accordance with the six 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: David A. Nathans, President
Address:
Phone
Signatu
28402
Nate: The legally responsihlc party should not be a homeowners association unless more than 50% of the lots have been sold and
a resident of the subdivision has bee named the president.
1 Della C. Baird , a Notary Public for the State of North Carolina County of
Pcnder , do hereby certify that David A. Nathans personally appeared before nie this
-30 day of &rj`I , 2002 , and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements. Witness my hand and official seal,
C.
4: NpTgAY.4
"UB UG V
I1lJ +O UI1 �W 1\\\\
SEAL,
Dlee&' L 6�zp�
My commission expires October 15,_2006
SWU-107 Rev 3.99 Page 4 of 4

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R
Permit No. 0 0l bS
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
This form may he photocopied for use as an original
DWO Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
underground infiltration trench supplement for each system, design calculations, and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name:
k
Contact Person: Charles Cazier Phone Number: ( 9101 763�5100
For projects with multiple infiltration systems, a supplement form must be completed for each system. This
worksheet applies to: Trench D in Drainage Area 4
(front plans) (front Form ,SWU-101)
11. DESIGN INFORMATION (attach supporting calculations/documentation):
Soils Report Summary (based upon an aclual field investigation and soil horings)
Sol] Type Orange tan fine to medium sand
Infiltration Rate 42 n/hr or cf/hr/sf (circle appropriate units)
SHWT Elevation 37 fmsl (Seasonal High Water Tahle elevation)
Trench Design Parameters
Design Volume 365.17 c.f.
Design Storm
Drawdown Time
Perforated Pipe Size
Perforated Pipe Length
No. Observation Wells
Stone Type (if used)
Stone Void Ratio
1.0 inch event (1.5 inch event for SA ivaters, 1 inch event for others)
1.14 days hours
" inch diameter
60' ft.
NA
957 crushed granite
0.40
Trench Elevations (in feet mean seer level)
Bottom Elevation 42.0 fmsl
(may he required on a case-hy-case basis)
Storage/Overflow Elevation 46.0 fmsl
SWU-107 Rcv 3.99 Page I of

Trench Dimensions
Height
Width
4 ft. Length 60 ft.
10 ft. Volume Provided 1073 cu.ft.
III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate 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
C-fi'L a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
G" b. System is located at least 100 feet from water supply wells.
c. Bottom of system is at least 2 feet above the seasonal high water table.
d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
f. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour.
h. System is not sites on or in fill material or DWQ approval has been obtained.
i. 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.
,(- 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.
�_ c k. 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.
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).
—S m. Drainage area for the device is less than 5 acres.
G— n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
<J� o, Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
p. Sides of infiltration trench are lined with geotextile fabric.
C4X q. Rock used is free of fines (washed stone) and has large void ratio.
CJX, r. Side to bottom ratio is less than 4:1.
SWU-107 Rev 3.99 Page 2 of 4

s. Observation well(s) are provided (case -by -case basis).
NA
Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters) and
detail is shown on plans.
U61 u . A benchmark for checking sediment accumulation is provided.
IV. UNDERGROUND INFILTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
After every runoff producing rainfall event and at least monthly inspect the bypass/overflow structure for
blockagd and deterioration and the infiltration system for erosion, trash accumulation, grass cover, and general
condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash and blockages as needed to maintain
system performance.
Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to 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.
4. The water level in any monitoring wells will be recorded after a 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.
5. If DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. if the 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.
Remove accumulated sediment from the infiltration system annually or when depth in the 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 infiltration system. 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 depth at the benchmark reads 0.75' , the accumulated sediment shall be removed from
the system.
SWU-107 Rev 3.99 Page 3 of 4

acknowledge and agree by my signature below that 1 am responsible for maintaining the stormwater
collection system in accordance with the six maintenance procedures listed above. 1 agree to notify DWQ
of any problems with the system or prior to any changes to the system or responsible party.
Print Name and Title: David A. Nathans, President
Address
Phone
Signatu
I
NC 28402
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots hm,e been sold and
a resident of the subdivision has bee named the president.
1, Della C. Baird , a Notary Public for the State of North Carolina , County of
Pender do hereby certify that David A. Nathans personally appeared before the this
day of ,` 2002 and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements. Witness my hand and official seal,
��5541i4llnrrrrN
��C • Bgi,Q'%
.......... �-
4: �OTARy
PU130G 'tea\;
cau
SEAL My commission expires October_ 55. 2006
SWU-107 Rev 3.99 Page 4 of 4

f

Permit No. 'Z;;�Jgo
(to be provided by UWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
This form may he photocopied for use as an original
DWQStormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
underground infiltration trench supplement for each system, design calculations, and plans and specifications
showing all stormwater conveyances and system details.
1. PROJECT INFORMATION
Project Name: City Block
Contact Person: _Charles Cazier Phone Number: 910 763-5100
For projects with multiple infiltration systems, a supplement form must be completed for each system. This
worksheet applies to: Trench E in Drainage Area 5
(from plans) {from Form STVU-101)
U. DESIGN INFORMATION (attach supporting calculations/documentation):
Soils Report Summary (haled upon an actual, f eld investigation and .soil borings)
Soil Type Orange tan fine to medium sand
Infiltration Rate 42 nlhr or cf/hr/sf (circle appropriate units)
SHWT Elevation
fi-ns] (Seasonal High Water Table elevation)
Trench Design Parameters
Design Volume 1023.33 c.f.
Design Storm 1.0 inch event (1.5 inch event for SA ivaters, I inch event for others)
Drawdown Time
Perforated Pipe Size
Perforated Pipe Length
No. Observation Wells
Stone Type (if used)
Stone Void Ratio
1.14 day-, hours
24" inch diameter
95' ft.
NA
#57 crushed rg anite
0.40
Trench Elevations (in fi;et mean sea level)
Bottom Elevation 40.0 fmsl
Storage/Overflow Elevation 44.0 fmsl
(may he required on a case -by -case basis)
SWU-107 Rev 3.99 Page I of

Trench Dimensions
Height
Width
ki
10 ft
1.1.1. REQUIRED ITEMS CHECKLIST
Length
Volume Provided
95 ft.
1699 cu.ft.
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate 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
OX a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
Q,, b. System is located at least 100 feet from water supply wells.
GL c. Bottom of system is at least 2 feet above the seasonal high water table.
� 1 C, d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
L e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
C(J f System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour.
GTC h. System is not sites on or in fill material or DWQ approval has been obtained.
CDi. 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.
CpG _ 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.
�-_ k. 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.
CDC_ I. System captures and infiltrates the runoff from the first L0 inch of rainfall (1.5 inch event
for areas draining to SA waters).
CDC _ m. Drainage area for the device is less than 5 acres.
(`17�- n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
o. Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
p. Sides of infiltration trench are lined with geotextile fabric.
q. Rock used is free of fines (washed stone) and has large void ratio.
r. Side to bottom ratio is less than 4:1.
SWU-107 Rev 3.99 Page 2 of 4

(pc__ s. Observation well(s) are provided (case -by -case basis).
NA t . Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters) and
detail is shown on plans.
(%!! u . A benchmark for checking sediment accumulation is provided.
IV. UNDERGROUND INFILTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
After every runoff producing rainfall event and at least monthly inspect the bypass/overflow structure for
blockage and deterioration and the infiltration system for erosion, trash accumulation, grass cover, and general
condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash and blockages as needed to maintain
system performance.
3, Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to 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.
4. The water level in any monitoring wells will be recorded after a I 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.
5. If DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. If the 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. Remove accumulated sediment from the infiltration system annually or when depth in the 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 infiltration system. 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 depth at the benchmark reads 0.7f , the accumulated sediment shall he removed from
the system.
SWU-107 Rev 3.99 Page 3 of 4

I acknowledge and agree by my signature below that 1 am responsible for maintaining; the stormwater
collection system in accordance with the six maintenance procedures listed above, l 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: David A. Nathans, President
Address: Plantation, Inc., P.O. Box 2473, Wilmington, NC 28402
Phone
Signatu
Note: The legally responsible parry should not be a homeowners association unless more than 50% of the lots have been sold and
a resident of the subdivision has bee named the president.
I, Della C. Baird , a Notary Public for the State of North Carolina , County of
Pender , do hereby certify that David A. Nathans personally appeared before me this
.3p day of Apa 1 2002 , and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements. Witness my hand and official scat,
C.
g9
t40 �
y
=?O • A�BL I C �•
04UN�• 111111 ////�JJJJ �w.... 1541C_
L�
SEAL My conmfission expires October 15, 2000
SWU-107 Rev 3.99 Page 4 of 4

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TRIPP ENGINEERING, P.C.
419 Chestnut Street
Wilmington, North Caroling 28401
Phone: [phone] • FAX: [phone]
December 11, 2003
NCDENR
Division Water Quality
127 Cardinal Drive
Wilmington, NC 28405-3845
Attn: Ms. Linda Lewis
Re: City Block
SW8 020503
TE 01141
Dear Linda:
D E C 112003
As per your request, we have inspected trenches B, C, D & E for completion.
Trenches A & AB are currently under construction and will be certified upon completion.
Please review for approval and contact us with any questions, comments or if you
need additional information. Thank you.
Sincerely,
Tripp Engineering, P.C.
Ckk
Charles D. Cazier, E. .
CDC:dcb
Enc.

TE 00000
State Stormwater Management Systems
Permit No. SW8 020503
(Project)
Stormwater Project No. SW8 020503
New Hanover County
Engineer's Certification
I, _ Phillip G. Tripp , as a duly registered Professional Engineer in the State
of North Carolina, having been authorized to observe (periodically/weekly/full time) the
construction of the project,
City B
(Project)
for Plantation, Inc. (Project Owner) hereby state that, to the best of my
abilities, due care and diligence was used in the observation of the project construction
such that the construction was observed to be built within substantial compliance and intent
of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specifications:
* Partial
• Trenches B, C, D & E complete
• Trench A & AB under construction to be certified upon completion
Signature
Registra6
Date
SEAT.
`��111111I11!!/r
S
SEAL
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GREGO` � ����``�•

... , ..... _:ri State Stormwater Management Systems
Permit No. SW8 020503
Certification Requirements:
V 1. The drainage area to the system contains approximately the permitted acreage.
The drainage area to the system contains no more than the permitted amount of
built -upon area.
All the built -upon arreaassociated with the -project is graded such that the runoff
drains to the system..... -
✓ The outlet/bypass structure elevations are per the approved plan.
S. The outlet structure is located per the approved plans.
_-WA6. Trash rack is provided on the outlet/bypass structure.
_L7. All slopes aregrassed with permanent vegetation.
Sor�l�.eae e�R-L�►LL� LAmiz Gn1�1r,>,
✓ 8. Vegetated slopes are no steeper than 3:1.
NA 9. The inlets are located per the approved plans and do not cause short-circuiting of
the system.
10. The -permitted amo is of -surf a e area and/or volume have been provided.
11. Required drawdown devices are correctly sized per the approved plans.
✓12. All required design depths are provided.
3. All required parts of the system are provided, ,
14. The overall dimensions of the system, as shown on the approved plans, are
provided. *:RV, � 'T CL.4-4F-L- 1P,
cc: NCDENR-DWQ Regional Office
New Hanover, New Hanover County Building Inspections