SW7090316_CURRENT PERMIT_20090807

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW_Z
DOC TYPE
CURRENT PERMIT
APPROVED PLANS
El HISTORICAL FILE
El COMPLIANCE EVALUATION INSPECTION
DOC DATE
rQk
YYYYMMDD

ACDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H, Sullins Dee Freeman
Governor Director Secretary
Mr. Robert J. O'Connor
Moyock Realty, LLC
P.O. Box 1211
Westfield, MA 01086
Subject: Stormwater Permit No. SW7090316 Modification
Windchaser Industrial Subdivision — Tract 5
High Density Commercial Wet Pond Project
Dear Mr. O'Connor: Currituck County
The Washington Regional Office received a complete Stormwater Management Permit
Modification Application for Windchaser Industrial Subdivision — Tract 5 on June 30, 2009.
Staff review of the plans and specifications has determined that the project, as proposed, will
comply with the Stormwater Regulations set forth in Session Law 2008-211 and Title 15A
NCAC 2H.1000. We are forwarding Permit No. SW7090316 Modification, dated August 7,
2009, for the construction of the subject project. This Modification is to reduce the Permitted
impervious area, from 135,308 as originally permitted on March 25, 2009 to current impervious
area of 123,308 (as -built condition) to offset the loss of storage in installed wet detention basin
due to side slopes of wet detention basin being flatter than originally permitted.
This permit shall be effective from the date of issuance until Augus 2 9 shall void Permit
Number SW7090316 issued on March 25, 2009 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 1 50B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. 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 Samir Dumpor, or me at [phone].
Si r I
Al Hodge
Regional Supervisor
Surface Water Protection Section
AH/ scl: J:\WPDATA\WQS\ State SW-SD\Permits — Wet Pond\SW7090316 MOD
cc: David Klebitz, Bissell Professional Group
Currituck County Building Inspections
.W-ashington Regional Office
Central Files
North Carolina Division of Water Quality Internet: �,00ric�%atcicualiitv._ul
_6
943 Washington Square Mall Phone: 252-946�6481 One
Washington, NC 27899 17AX 252-946-9215 NorthCarohna
An Equal OpporturitylAffinative Action Employer— 50% Recycled/10% Post Consumer.Paper Natural&

State Stormwater Management Systems
Permit No. SW7090316 Modification
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
Moyock Realty, LLC
Windchaser Industrial Subdivision — Tract 5
Currituck County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with
the provisions of Session Law 2008-211 and 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 August 7, 2019, and shall
be subject to the following specified conditions and limitations:
1. DESIGN STANDARDS
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 stormwater
control has been designed to handle the runoff from 123,308 square feet of
impervious area..
The tract will be limited to the amount of built -upon area indicated in Section 1.7
on page 3 of this permit, and per approved plans.
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.
6. The built -upon areas associated with this project shall be located at least 50 feet
landward of all perennial and intermittent surface waters.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW7090316 Modification
The following design criteria have been provided in the wet detention pond and
must be maintained at design condition:
a.
Drainage Area, ft2:
251,606
b.
Total Impervious Surface S, ft2:
123,308
C.
Design Storm, inches:
1.5
d.
Pond Depth, feet:
6.5
e.
TSS removal efficiency:
90%
f.
Permanent Pool Elevation, FMSL:
4.50
9.
2
Permanent Pool Surface Area Required, ft�:
10,064
h.
Permanent Pool Surface Are? Provided, ft
11,548
i.
Storage Volume Required, ft�:
15,445
j.
Storage Volume Provided, ft :
15,573
k.
Temporary Storage Elevation, FM�L:
5,70
1.
Predevelopment 1 year 24 hour, ft /s:
0.38
M.
Storage Volume Discharge Rate, ft3 /S:
0.07
n,
Controlling Orifice:
2.0"0 pipe
0.
Permitted Forebay Volume, ft3:
6,670
p_
Receiving Stream/River Basin: Guniea Mill
Run Canal / Pasquotank
q.
Stream Index Number:
30-1-2-2-5-1-2-2
r.
Classification of Water Body:
"C' Sw"
11. SCHEDULE OF COMPLIANCE
The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of any
built -upon surface.
During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
The permittee shall at all time provide the operation and maintenance necessary
to assure the permitted stormwater system functions at optimum efficiency The
approved Operation and Maintenance Plan must be followed in its entirety and
maintenance must occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and re -vegetation of slopes and the vegetated filter strip.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and
specifications.
f. Debris removal and unclogging of outlet structure, orifice device, level
spreader, filter strip, catch basins and piping.
9. Access to the outlet structure must be available at all times.
4. Records of maintenance activities must be kept for each permitted BMP. The
records will indicate the date, activity, name of person performing the work and
what actions were taken.
5. The permittee shall submit to the Division of Water Quality an annual summary
report of the maintenance inspection records for each BMP. The report shall
summarize the inspection dates, results of the inspections, and the maintenance
work performed at each inspection.
6. Access to the stormwater facilities shall be maintained via appropriate
easements at all times.
The facilities shall be constructed as shown on the approved plans. This permit
shall become void unless the facilities are constructed in accordance with the
Page 3 of 7

State Stormwater Management Systems
Permit No. SW7090316 Modification
conditions of this permit, the approved plans and specifications, and other
supporting data.
8. Upon completion of construction, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received
from an appropriate designer for the system installed certifying that the permitted
facility has been installed in accordance with this permit, the approved plans and
specifications, and other supporting documentation. Any deviations from the
approved plans and specifications must be noted on the Certification. A
modification may be required for those deviations.
9. 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.
10. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
modification to the approved plans, including, but not limited to, those listed
below:
a. Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc.
b. 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, lease 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.
11. 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 shallsubmit 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.
12. The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction.
13. A copy of the approved plans and specifications shall be maintained on file by
the Permittee for the life of the project.
Ill. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director.
In the event of a change of ownership, or a name change, the permittee must
submit a completed Name/Ownership Change form, to the Division of Water
Quality, signed by both parties, and accompanied by supporting documentation
as listed on page 2 of the form. The project must be in good standing with the
Division. The approval of this request will be considered on its merits and may or
may not be approved.
The permittee is responsible for compliance with all permit conditions until such
time as the Division approves the transfer request.
3. Failure to abide by the conditions and limitations contained in this permit may
Page 4 of 7

State Stormwater Management Systems
Permit No. SW7090316 Modification
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) having 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 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.
The permit issued shall continue in force and effect until revoked or terminated.
The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and re -issuance or
termination does not stay any permit condition.
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.
Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
10. The issuance of this permit does not prohibit the Director from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit
as allowed by the laws, rules and regulations contained in Session Law 2008-
211, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al.
11. The permittee shall notify the Division of any name, ownership or mailing
address changes at least 30 days prior to making such changes.
12. This permit shall be effective from the date of issuance until August 7, 2019.
Application for permit renewal shall be submitted 180 days prior to the expiration
date of this permit and must be accompanied by the processing fee.
Permit issued this the 7th day of August, 2009.
NORTH CAI�OLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Jor Uoleen H. 6ullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW7090316 Modification
Windchaser Industrial Subdivision — Tract 5
Stormwater Permit No. SW7090316 Modification
Currituck County
Designer's Certification
1, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/ weekly/ full
time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
Page 6 of 7

State Stormwater Management Systems
Permit No. SW7090316 Modification
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 proj4ct 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.
I
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,
and a forebay.
15. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Currituck County Building Inspections
Page 7 of 7

Permit No. SW7090316 Modification
Windchaser Industrial Subdivision — Tract 5
Stormwater Permit No, SW7090316 Modification
Currituck County
Designer's Certification
1, AAARK 15. _6I&SELl— . as a duly registered PROFrS90VIL in the
State of North Carolina, having been authorized to observe (periodically/-weLs�
ti=�-the construction of the project,
W/A/00/AS-ER fiv/->o�S-rRIAL SuLS>Yv/-s/c�V — 7—ex+r-7- S
(Project)
for /140YOCK REALTV, L-.L—.0 (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
Registrati(
Date q — ?— d
Page 6 of 7

Permit No. SW7090316 Modiiication
Certification Requirements:
X 1. The drainage area to the system contains approximately the permitted
acreage.
X 2. The drainage area to the system contains no more than the permitted
amount of built -upon area.
X 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.
X 5. The outlet/bypass structure elevations are per the approved plan.
(ALL &.&V'M*VS ftQWtW#V& RaAWV&1 711a S/�-4y� Cu�&1"�7WO (>A/ -Aldg Alowo"wli
)< 6. The outlet structure is located per the approved plans. ME /188)
* 7. Trash rack is provided on the outleUbypass structure.
* 8. All slopes are grassed with permanent vegetation.
F71.vWe' h4S GffmV 4 &FOWUOIA)
9. Vegetated slopes are no steeper than 3:1.
X 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.
X 14. All required parts of the system are provided, such as a vegetated shelf,
and a forebay.
15. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Currituck County Building Inspections
Page 7 of 7

Qck,R-C)
DWQ USE ONLY
Date Received
Fee Paid
Permit Number
a 2
JUN J U ZUUV
.0-5
06 -
�z 6 2
State of North Carolina SWACK- 6130109
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
Thisforin may be photocopiedfor use as an original
1. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Robert 1. O'Connor - Member -Manager
3. Mailing Address for person listed in item 2 above:
P.O. Box 1211, 48 Franklin St.
City:Wesffield State:MA Zip:01086
Phone: [phone] Fax: [phone]
Eniail:[e-mail]
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Windchaser Industrial Subdivision Tract-5 Commercial Site Development
5. Location of Project (street address):
City:Moyock County:Currituck - Zip:27966
6. Directions to project (from nearest major intersection):
At it's intersection w/ NC HWY 168 (Caratoke HWY) & SR 1347 (Rowland Creek Rd.), turn west onto
Windchaser Way. Make 90 dejZ. left, then 90 deg. right, site is on south side of road at power lines.
7. Latitude:36' 28' 15" N Longitude:-76' 07' 44" W of project
8. Contact person who can answer questions about the project.
Name:David Klebitz of Bissell Professional Group Telephone Number: (252 261-3266
Email:[e-mail]
it. PERMIT INFORMATION:
1. Specify whet.her project is (check one):
EJNew
E)Renewal MModification
Form SWU-101 Version 09.25.08 Pagel of4

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit numberSW7090316 and its issue date (if known)
3. Specify the type of project (check one):
F-11-ow Density ZHigh Density EIRedevelop E]General Permit E]Universal SMP E]Other
4. Additional Project Requirements (check applicable blanks; information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748):
FCAMA Major NSedimentation/ Erosion Control []404/401 Permit E]NPDES Industrial Stormwater
Ill. 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.
Passive Treatment will be provided through the provision of vegetated collector swales located around the _
perimeter of the development which will discharge to a proposed wet -detention pond. Primary treatment will be
provided through the wet -detention pond which is designed to meet 90% TSS removal standards.
2. Stormwater runoff from this project drains to the Pasquotank River basin.
3. Total Property Area: 11.15 acres 4. Total Coastal Wetlands Area: 0 acres
5. Total Property Area (3) - Total Coastal Wetlands Area (4) = Total Project Area**:11.15 —acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA):29.60 _%
7. How many drainage areas does the project have?l
8. 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.
For high density projects, co plete the table with one drainage are for each engineered stormwater device.
Basin Information
Drainage Area I
Drainage Area 2
Receiving Stream Name
Gumea Mill Run Canal
Stream Class & Index No.
C;Sw, 30-1-2-2-5-1-2-2
Total Drainage Area (so
251,606
On -site Drainage Area (so
251,606
Off -site Drainage Area (so
0
Existing Impervious* Area (so
0
Proposed Impervious*Area (so
123,308
% Impervious* Area (total)
49.01
Impervious* Surface Area
Drainage Area I
Drainage Area 2
On -site Buildings (so
1,414
On -site Streets (so
0
On -site Parking (so
120,982
On -site Sidewalks (so
0
Other on -site (so
912
Off -site (so
i
Total (so:
I C 123,308
Inipervious area is defined as the built upoi��ding, but not Invited to, buildings, roads, parking areas,
sideivalks, gravel areas, etc.
"Total project area shall be calculated to exclude Coastal Wetlandsfroni use when calculating the built upon area
percentage calculation. This is the area used to calculate overall percent project built upon area (BUA).
Form SWU-101 Version 09.25.08 Page 2 of 4

AA
9. How was the off -site impervious area listed above
Projects in Union County: Contact the DWQ Central Office staff to check to see if you project is located
within a Threatened & Endangered Species watershed that may be subject to inore stringent storinwater
requirements.
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following property 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.
Forms can be downloaded from httl2://l12o.eiir.state,nc.tis/sti/binl2 forms.htm - deed restrictions.
Form DRPC-1
High Density Commercial Subdivisions
Form DRPC-2
High Density Developments with Outparcels
Form DRPC-3
High Density Residential Subdivisions
Form DRPC-4
Low Density Commercial Subdivisions
Form DRPC-5
Low Density Residential Subdivisions
Form DRPC-6
Low Density Residential Subdivisions with Curb Outlets
By your signature below, you certify that the recorded property restrictions and protective covenants for this
project shall include all the applicable items required in the above form, that the covenants will be binding on
all parties and persons claiming under them, that they will run with the land, that the required covenants
cannot be changed or deleted without concurrence from the NC DWQ, and that they will be recorded prior to
the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project. Contact the Stormwater Permitting Unit at [phone] for the status and
availability of these forms. Forms can be downloaded from littp://ll2o.eiir.state.nc.us/su/bmi2 forms.htm.
Form SW401 -Low Density
Form SW401-Curb Outlet System
Form SW401-Off-Site System
Form SW401 -Wet Detention Basin
Form SW401-Infiltration Basin
Form SW401-Infiltration Trench
Form SW401-Bioretention Cell
Form SW401 -Level Spreader
Form SW401 -We tland
Form SW401 -Grassed Swale
Form SW401-Sand Filter
Form SW401 -Permeable Pavement
Form SW401-Cistem
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Bioretention Cell Supplement
Level Spreader/ Filter Strip/ Restored Riparian Buffer Supplement
Constructed Welland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Cistern Supplement
Form SWU-101 Version 09.25.08 Page 3 of 4

- - A
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 Office. (Appropriate office may be found by locating project on the
interactive online map at ht(l)://h2o.enr.state.nc.tis/su/msi maps.him)
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
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP
• Permit application processing fee of $505 (Express: $4,000 for HD, $2,000 for LD)
payable to NCDENR
• Calculations & detailed narrative description of stormwater treatment/management
• Copy of any applicable soils report
• Two copies of plans and specifications (sealed, signed & dated), including:
- 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)
V11. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm):Bissell Professional GrouJ2
Mailing Address:13.0. Box 1068
City:Kitty Hawk State:NC Zip:27949
Phone: [phone] Fax: [phone]
Email:[e-mail]
VIII. APPLICANT'S CERTIFICATION
1, (print or type name of person listed in General Information, item 2) Robert 1. O,Connor
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 2 H . 1000.
Signature: I V� Date:eo
Form SWU-101 Version 09.25.08 Page 4 of 4

Permit No.
(to W onMed by DWO)
A F-WA
TA
NCDENR
Project name
Contact person
Phone number
Date
Drainage area number
WAT
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part 111) must be printed, filled out and submitted along li all of the required information.
111DIESIGNIINFORMATION
She Characteristics
Drainage area
Impervious area, post -development
% impernous
Design rainfall depth
Storage Volume: Non -SA Waters
Minimum volume required
Volume provided
Storage Volume: SAWaters
1.5' nunoff volume
Pre -development 1-yr, 24-hr runoff
Post -development 1 -yr, 24-hr nunoff
Minimum volume required
Volume provided
Peak Flow Calculations
Is the prellowt control of the 1 yr 24hr storm peak flow required?
1-yr, 24-hr rainfall depth
Rational C, pre -development
Rational C, post -development
Rainfall intensity: 1-yr, 24-hr sorm
Pre -development 1-yr, 24-hr peak flow
Post -development 1-yr, 24-hr peak flow
Pre/Post 1 -yr, 24-hr peak flow control
Elevations
Temporary pool elevation
Permanent pool elevation
SHWT elevation (approx. at the pen. pool elevation)
Top of 10fit vegetated shelf elevation
Bottom of 10ft vegetated shelf elevation
Sediment cleanout, top elevation (bottom of pond)
Sediment cleanout, bottom elevation
Sediment storage provided
Is them additional volume stored above the state -required temp. pool?
Elevation of the top of the additional volume
Industrial
251,606 112
123,308 ft2 I,�
49.01 %
15 in
JUN 3 0 2009
15,445 it' V' OK
15,573 it' V OK, volume provided is equal to or in excess of volume required.
ft3
ft3
ft 3
0 ft3
3
Y (Y or N)
3.1 in
0.50 (unige�)
0.90 (unitless)
0.13 irdhr OK
0.38 ftlsec
0.68 k3lsec
030 ft3l�,
1 5.70 ftnsl State - Required
1 4.50 fmsl
4.50 fmsl
5.00 hsl
4.00 ftnsl
-1.00 hsl
-2.00 fmsI
1.00 ft
Y (Y or N)
6.9 mul County - Required
Fom SW401 -Wet Detention Basin-Rev.6-2J20109 Paft 1. & 11. Design summary, Page 1 of 2

Permit
(to be proWded by DWO)
JIMICIESIGNINFORMATION
Surface Areas
Area, temporary pool
14,407 It'
Area REQUIRED, permanent pool
10,064 f?
SNDA ratio
4.00 (unitless)
Area PROVIDED, permanent pool, A...
11,548 ft'
OK
Area, bottom of 10ft vegetated shelf,
9.540 ft,
Area, sediment deanout, top elevation (bottom of pond), A._.
743 fe
Volumes
Volume, temporary pool
15,573 ft3
OK
Volume, permanent pod, V,,,
33,930 ft3
Volume, foretbay (sum of forebays if more than one forebay)
6,670 ft'
Forebay % of permanent pool volume
19.7% %
OK
SAIDA Table Data
Design TSS removal
85 %
Coastal SA/DA Table Used?
Y (Y or N)
MountairdPiedmont SAfDA Table Used?
N (Y or N)
SADA ratio
4.00 (unitless)
Based on Avg. Depth of 3.15'
Average depth (used in SADA table):
Calculation option 1 used? (See Figure 10-2b)
I N (Y or N)
Volume, permanent pool, V,.
It,
Area provided, permanent pool, A...
ft"
Average depth calculated
k If
Average depth used in SA/DA, d., (Round to nearest 0.5ft)
It
Calculation option 2 used? (See Figure 10-2b)
Y (Y or N)
Area provided, permanent pool, A..
11548 ft'
OK
Area, bottom of 1 Oft vegetated shelf, A,,..,
9,540 ft?
OK
Area, sediment cleanout, top elevation (bottom of pond), A,,.,
743 ft2
OK
"Depth* (distance b/w bottom of IN shelf and top of sediment)
5.00 It
OK
Average depth calculated
3.15 0
OK
Average depth used in SAJDA, d., (Round to nearest 0.5ft)
3.15 It
OK
Drawdown Calculations
Drawdown through orifice?
Diameter of orifice (if circular)
Area of onfice (if-rion-circular)
Coefficient of discharge (Co)
Driving head (Hj
Drawdown through weir?
Weir type
Coefficient of discharge (C.)
Length of weir (L)
Driving head (H)
Pre -development 1 -yr, 24-hr peak flow
Post -development 1-yr, 24-hr peak flow .
Storage volume discharge rate (through discharge onfice or weir)
Storage volume drawdown time
Additional Information
Vegetated side slopes
Vegetated shelf slope
Vegetated shelf width
Length of flowpath to width ratio
Length to width ratio
Trash rack for overflow & onfice?
Freetboard provided
Vegetated filter provided?
Recorded drainage easement provided?
Capures all runciff at ultimate build -out?
Drain mechanism for maintenance or emergencies
Y (Y or N)
2.00 in
0
0.60 (undess)
0.40 If
N (Y or N)
unitless)
(unitless)
If
It
038 ft"Isec OK
068 ft/sec OK
0.066 ft/sec
2.71 days OK draws down in 2-5 days.
OK� drawdown time is correct,
3 :1
OK
5 :1
Insufficient shelf slope. See Construction Record Basin Section
10.0 It
OK
4 :1
OK
3.6 :1
OK
Y (Y or N)
OK
1.1 If
OK
y (Y or N)
OK
Y (Y or N)
OK
Y (Y or N)
OK
Portable Pump
Form SW401-Wet Detention Basin-Rev.6-2/20/09 Paris 1. it 11. Design Summary. Page 2 of 2

10
Permit
I Ill. REQUIRED ITEMS CHECKLIST
(to be provided by DWO)
Please indicate the page or plan sheet numbers where the supporting documentation can be found, An incomplete submittal package will
result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to
indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a
requirement has not been met, attach justification.
Page/ Plan
Initials
Sheet No.
21(41C
1. Plans (1" - 50' or larger) of the entire site showing:
6WSkJLJ,0A-)
- Design at ultimate build -out,
Pco"
- Off -site drainage (if applicable),
VAJiAk�q
- Delineated drainage basins (include Rational C coefficient per basin),
- Basin dimensions,
- Pretreatment system,
- High flow bypass system,
- Maintenance access,
- Proposed drainage easement and public right of way (ROW),
- Overflow device, and
- Boundalies of drainage easement.
2. Partial plan (1" = 30' or larger) and details for the wet detention basin showing:
0�(W;1,46
- Outlet structure vAth trash rack or similar,
jf�fv
- Maintenance access,
fbp
gAIJ
- Permanent pool dimensions,
- Forebay and main pond with hardened emergency spillway,
- Basin cross-section,
- Vegetation specification for planting shelf, and
- Filter strip.
4r—
3. Section view of the wet detention basin (1" = 20' or larger) showing:
- Side slopes, 3:1 or lower,
- Pretreatment and treatment areas, and
- Inlet and outlet structures.
4. If the basin is used for sediment and erosion control during construction, clean out of the basin is specified
on the plans prior to use as a wet detention basin.
5. A table of elevations, areas, incremental volumes & accumulated volumes for overall pond and for forebay,
t'lb0VV'kff&YV to verify volume provided.
6. A construction sequence that shows how the wet detention basin will be protected from sediment until the
entire drainage area is stabilized.
7. The supporting calculations.
8. A copy of the signed and notanized operation and maintenance (O&M) agreement.
9. A copy of the deed restrictions (if required).
10. A soils report that is based upon an actual field investigation, soil bolings, and infiltration tests. County
soil maps are not an acceptable source of soils information.
Form SW401 -Wet Detention Basin-Rev.6-2/20/09
Part 111. Required Items Checklist, Page 1 of 1

Permit Number:
(to be provided by D WQ)
Drainage Area Number:
Filter Strip, Restored Riparian Buffer and Level Spreader JUN 3 0 2009
Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BMP elements noted in the inspection will be
corrected, repaired or replaced immediately. These deficiencies can affect the integrity
of structures, safety of the public, and the removal efficiency of the BMP.
important maintenance procedures:
— Irnmediately after the filter strip is established, any newly planted vegetation
will be watered twice weekly if needed until the plants become established
(commonly six weeks).
— Once a year, the filter strip will be reseeded to maintain a dense growth of
vegetation
— Stable groundcover will be maintained in the drainage area to reduce the
sediment load to the vegetation.
— Two to three times a year, grass filter strips will be mowed and the clippings
harvested to promote the growth of thick vegetation with optimum pollutant
removal efficiency. Turf grass should not be cut shorter than 3 to 5 inches and
may be allowed to grow as tall as 12 inches depending on aesthetic requirements
(NIPC, 1993). Forested filter strips do not require this type of maintenance.
— Once a year, the soil will be aerated if necessary.
— Once a year, soil pH will be tested and lime will be added if necessary.
After the filter strip is established, it will be inspected quarterly and within 24 hours
after every storm event greater than 1.0 inch (or 1.5 inches if in a Coastal County).
Records of operation and maintenance will be kept in a known set location and will be
available upon request.
Inspection activities shall be performed as follows. Arty problems that are found shall
be repaired immediately.
BMP element:
Potential problem:
How I will remediate the problem:
The entire filter strip
Trash/debris is present.
Remove the trash/debris.
system
The flow splitter device
The flow splitter device is
Unclog the conveyance and dispose
(if applicable)
clogged.
of any sediment off -site.
The flow splitter device is
Make any necessary repairs or
damaged.
replace if damage is too large for
repair.
Form SWU401 -Level Spreader, Filter Strip, Restored Riparian Buffer O&M-Rev.3 Page I of 3

BMP element:
Potential problem:
How I will remediate the problem:
—
The swale and the level
The swale is clogged with
Remove the sediment and dispose
lip
sediment.
of it off -site.
The level lip is cracked,
Repair or replace lip.
settled, undercut, eroded or
otherwise damaged.
There is erosion around the
Regrade the soil to create a berm
end of the level spreader that
that is higher than the level lip, and
shows stormwater has
then plant a ground cover and
bypassed it.
water until it is established. Provide
lime and a one-time fertilizer
application.
Trees or shrubs have begun
Remove them.
to grow on the swale or just
downslope of the level lip.
The bypass channel
Areas of bare soil and/or
Regrade the soil if necessary to
erosive gullies have formed.
remove the gully, and then
reestablish proper erosion control.
Turf reinforcement is
Study the site to see if a larger
damaged or ripap is rolling
bypass channel is needed (enlarge if
downhill.
necessary). After this, reestablish
the erosion control material.
The filter strip
Grass is too short or too long
Maintain grass at a height of
(if applicable).
approximately three to six inches.
Areas of bare soil and/or
Regrade the soil if necessary to
erosive gullies have formed.
remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer application.
Sediment is building up on
Remove the sediment and
the filter strip.
restabilize the soil with vegetation if
necessary. Provide lime and a one-
time fertilizer application.
Plants are desiccated.
Provide additional irrigation and
fertilizer as needed.
Plants are dead, diseased or
Determine the source of the
dying.
problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a one-time
fertilizer application.
Nuisance vegetation is
Remove vegetation by hand if
choking out desirable species.
possible. If pesticide is used, do not
allow it to get into the receiving
water.
The receiving water
Erosion or other signs of
Contact the NC Division of Water
damage have occurred at the
Quality local Regional Office, or the
outlet.
. 401 Oversight Unit at 919-733-1786.
Form SWU401-Level Spreader, Filter Strip, Restored Riparian Buffer O&M-Rev.3 Page 2 of 3

Permit Number:
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above. I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party.
Project name:Windchaser Industrial Subdivision Tract - 5 Commercial Site Development
BMP drainage area
Print name:Robert J. O'Connor
Title: Member -Manager
Address:P.O. Box 1211, 48 Franklin St., Westfield, MA 01086
Date: /0
Note: The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president.
1, L.�-1 K-& a Notary Public for the State of
-r?'e. County of do hereby certify that
a)�_Oaf --�. personally appeared before me this o2 S'
day of — Z�� and acknowledge the due execution of the
forgoing filter strip, riparian buffer, and/or level spreader maintenance requirements
Witness my hand and official seal,
LYNU4 GAVANAUGH
Notary Public
Commonwealth ot Massachusetts
My Commission Expires
January 29. 2010
SEAL
au�
My commissionfexpires / - �)_ � - d'616)
Form SWU401 -Level Spreader, Filter Strip, Restored Riparian Buffer O&M-Rev.3 Page 3 of 3