SW8070504_Current Permit_20070508

WAT
Fg Michael F.Easley,Governor
Q.
William G.Ross Jr.,Secretary
+ r' North Carolina Department of Environment and Natural Resources
>_ _I
O "C Alan W.Klimek,P.E.Director
Division of Water Quality
May 8, 2007
Todd Best, Manager-Facilities & Maintenance
General Electric Company
3901 Castle Hayne Road
Wilmington, NC 28401
Subject: Permit No. SW8 070504
GE-Substation Guard House
Low Density Stormwater Project
New Hanover County
Dear Mr. Best:
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for GE - Substation Guard House on May 8, 2007. 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 070504
dated May 8, 2007, for the construction of the subject project.
This permit shall be effective from the date of issuance until rescinded and shall be subject to
the conditions and limitations as specified therein, and does not supercede any other agency
permit that may be required.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have
the right to request an adjudicatory hearing upon written request within sixty (60) days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands
are made this permit shall be final and binding.
If you have any questions,or need additional information concerning this matter, please
contact either Linda Lewis or me at [phone].
Sincer ,
Edward Beck
Regional Supervisor
Surface Water Protection Section
ENB/arl: S:IWQS\STORMWATER\PERMIT\070504.may07
cc: Mark Hargrove, P.E., Withers & Ravenel
Tony Roberts, New Hanover County Inspections
Linda Lewis
Beth E. Wetherill, New Hanover County Engineering
Wilmington Regional Office
Central Files
NDr Caro ina
Naturally
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington,NC 28405 Phone[phone] Customer Service
Wilmington Regional Office Internet: www.ncwaterqualitv.org Fax [phone]
An Equal Opportunity/Affirmative Action Employer—50%Recycledl10%Post Consumer Paper

State Stormwater Management Systems
Permit Number SW8 070504
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
LOW 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
Todd Best& General Electric Company
GE- Substation Guard House
3901 Castle Hayne Road, Wilmington, New Hanover County
FOR THE
construction, operation and maintenance of a low density development in compliance
with the provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater
rules") and the approved stormwater management plans and specifications, and other
supporting data as attached and on file with and approved by the Division of Water
Quality and considered a part of this permit.
The Permit shall be effective from the date of issuance until rescinded and shall be
subject to the following specific conditions and limitations:
I. DESIGN STANDARDS
1. This permit covers the construction of 700 square feet of built-upon area for a
new guard house and 3 parallel parking spaces.
2. The overall tract built-upon area percentage within the project area of 0.40 acres
must be maintained at 30%, as required by Section .1005 of the stormwater
rules.
3. Approved plans and specifications for projects covered by this permit are
incorporated by reference and are enforceable parts of the permit.
4. The only runoff conveyance systems allowed will be vegetated conveyances
such as swales with minimum side slopes of 3:1 (H:V) as defined in the
stormwater rules and approved by the Division. Runoff from this project must
sheet flow across the open vegetated areas of the project area.
5. No piping is allowed except that minimum amount necessary to direct runoff
beneath an impervious surface such as a road.
6. Unless specified elsewhere, permanent seeding requirements for any
conveyance swales must follow the guidelines established in the North Carolina
Erosion and Sediment Control Planning and Design Manual.
7. Roof drains must terminate at least 30'from the Mean High Water line.
Page 2 of 4

State Stormwater Management Systems
Permit Number SW8 070504
II. SCHEDULE OF COMPLIANCE
1. Projects covered by this permit will maintain a minimum 30 foot wide vegetative
buffer between all impervious areas and surface waters.
2. The permittee is responsible for verifying that the proposed built-upon area does
not exceed the allowable built-upon area.
3. The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements. The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made.
4. Alteration of the drainage as shown on the approved plans may not take place
without the concurrence of the Division of Water Quality.
5. Construction of additional built-upon area in excess of 700 square feet within the
designated 0.40 acre project area will require a permit modification.
6. Construction of additional impervious areas in excess of 5,227 ft2 or construction
of a collection system, such that low density requirements are no longer met
must be submitted to the Division and a permit modification to an engineered
system which collects and treats all of the built-upon area, including that area
previously permitted, must be issued prior to any construction.
7. Filling in or piping of any vegetative conveyances (ditches, swales, etc.)
associated with this development, except for average driveway crossings, is
strictly prohibited by any persons.
8. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
modification to the approved plans, including, but not limited to, those listed
below:
a. Any revision to the approved plans, regardless of size.
b. Project name change.
c. Transfer of ownership.
d. Redesign or addition to the approved amount of built-upon area.
e. Further subdivision, acquisition, or sale of the project area. The project
area is defined as all property owned by the permittee, for which
Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering or piping any vegetative conveyance shown on the
approved plan.
9. Swales and other vegetated conveyances shall be constructed in their entirety,
vegetated, and be operational for their intended use prior to the construction of
any built-upon surface.
10. During construction, erosion shall be kept to a minimum and any eroded areas of
the swales or other vegetated conveyances will be repaired immediately.
11. Within 30 days of completion of the project, the permittee shall certify in writing
that the project has been constructed in accordance with the approved plans.
12. The permittee shall submit all information requested by the Director or his
representative within the time frame specified in the written information request.
Page 3 of 4

State Stormwater Management Systems
Permit Number SW8 070504
13. The permittee shall at all times provide the operation and maintenance
necessary to operate the permitted stormwater management systems at optimum
efficiency to include:
a. Inspections
b Sediment removal.
c. Mowing, and revegetating of the side slopes.
d. immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and
specifications.
III. GENERAL CONDITIONS
1. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division of Water Quality,
in accordance with North Carolina General Statutes 143-215.6A to 143-215.6C.
2. The permit issued shall continue in force and effect until revoked or terminated.
3. 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.
4. 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 Title 15A of the North
Carolina Administrative Code, Subchapter 2H.1000; and North Carolina General
Statute 143-215.1 et. al.
5. This permit is not transferable to any person or entity except after notice to and
approval by the Director. The Director may require modification or revocation and
reissuance of the permit to change the name and incorporate such other
requirements as may be necessary. A formal permit request must be submitted
to the Division of Water Quality accompanied by a completed name/ownership
change form signed by both parties involved, and other supporting materials as
listed on the name/ownership change form. 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 the Director approves
the transfer.
6. The permittee grants permission to DENR Staff to enter the property for the
purpose of inspecting all components of the stormwater management facility.
7. The permittee shall notify the Division in writing of any name, ownership or
mailing address changes within 30 days.
8. 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.
Permit issued this the 8th day of May, 2007
NO CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
for Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 4 of 4

OFFICE USE ONLY
Date Received Fee Paid Permit Number
S-F Zoc??- Zdpp ZO8' St,J8 On)5O9
State of North Carolina
Department of Environmental and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
1. Applicants name(specify the name of the corporation,individual,etc.who owns the project):
General Electric Company
2. Print Owner/Signing Official's name and title(person legally responsible for facility and compliance):
Todd Best—Manager of Facilities and Maintenance
3. Mailing Address for person listed in Item 2 above:
3901 Castle Hayne Road
City: Wilmington State: NC Zip: 98401
Telephone Number: 910-675-6810
4. Project Name(subdivision,facility,or establishment name—should be consistent with project name on plans,
specifications,letters,operation and maintenance agreements,etc.):
GE—Substation Guard House
5. Location of Project(street address):
3901 Castle Hayne Road
City: Wilmington County: New Hanover
6. Directions to project(from nearest major intersection):
North two miles on Castle Hayne Road from the intersection of N.Kerr Avenue and Castle Hayne Road
7. Latitude: 34° 19' 25"N Longitude: 77° 55' 23"W of project.
8. Contact person who can answer questions about the project::
Name: Mark N.Hargrove,PE Telephone Number: [phone]
II. PERMIT INFORMATION:
1. Specify whether project is(check one): __X__ New Renewal Modification
Form SWU-101 Version 3.99 Page 1 of 4

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date(if known)
3. Specify the type of project(check one):
X Low Density High Density Redevelop General Permit Other
4. Additional Project Requirements(check applicable blanks):
CAMA Major X Sedimentation/Erosion Control 404/401 Permit NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748
M. 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.
Storm water will be treated by allowing the stormwater runoff to sheet flow through existing grassed areas
2. Stormwater runoff from this project drains to the Cape Fear River Basin.
3. Total Project Area: 0.40 acres.
4. Project Built Upon Area: 4.0 %.
5. How many drainage areas does the project have? 1
6. Complete the following information for each drainage area. If there are more than two drainage areas in the
project,attach and additional sheet with the information for each area provided in the same format as below.
/1 71- (5zc)
Basin Information Drainage Area 1 Drainage Area 2
Receiving Stream Name NE Cape Fear River
Receiving Stream Class Class C Swamp
Drainage Area 0.4 ac
Existing Impervious*Area 0 sf
Proposed Impervious*Area 700 sf—j 0.02 ac
%Impervious*Area(Total) 4.0%
Impervious* Surface Area Drainage Area 1 Drainage Area 2
On-Site Buildings 225 sf
On-Site Streets
On-Site Parking/Paved Areas 475 sf
On-Site Sidewalks
Other On-Site
Off-Site(Existing Parking Lot)
Total: 700 sf—0.02 ac Total:
*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,out parcels,and future development prior to the sale of any lot. If lot sizes vary significantly,a
table listing each lot number, size,and the allowable built-upon area for each lot must be provided as an
attachment.
1. The following covenants are intended to ensure ongoing compliance with state stormwater management
permit number as issued by the Division of Water Quality. These covenants may not
be changed or deleted without the consent of the State.
2. No more than square feet of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but not include
wood decking or the water surface of swimming pools.
3. Swales shall not be filled in,piped, or altered except as necessary to provide driveway crossings.
4. Built-upon area in excess of the permitted amount requires a state stormwater management permit
modification prior to construction.
5. All permitted runoff from the outparcels or future development shall be directed into the permitted
stormwater control system. These connections to the stormwater control system shall be performed in a
manner that maintains the integrity and performance of the system as permitted.
By your signature below,you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above,that the covenants will be binding on all parties and persons
claiming under them,that they will run with the land,that the required covenants cannot be changed or deleted
without concurrence from the State,and that they will be recorded prior to the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s)listed below must be submitted for
each BMP specified for this project. Contact the Stormwater and General Permits Unit at(919)733-5083 for
the status and availability of these forms.
Form SWU-102 Wet Detention Basin Supplement
Form SWU-103 Infiltration Basin Supplement
Form SWU-104 Low Density Supplement
Form SWU-105 Curb Outlet System Supplement
Form SWU-106 Off-Site System Supplement
Form SWU-107 Underground Infiltration Trench Supplement
Form SWU-108 Neuse River Basin Supplement
Form SWU-109 Innovative Best Management Practice Supplement
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality(DWQ).A
complete package includes all of the items listed below. The complete application package should be submitted to
the appropriate DWQ Regional Office.
Form SWU-101 Version 3.99 Page 3 of 4

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality(DWQ). A
complete package includes all of the items listed below.The complete application package should be submitted to
the appropriate DWQ Regional Office.
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Initials
• Original and one copy of the Stormwater Management Permit Application Form MA I
• One copy of the applicable Supplement Form(s)for each BM? pip)
• Permit application processing fee of$420(payable to NCDENR) irtp1}
• Detailed narrative description of stormwater treatment/management MN F}
• Two copies of plans and specifications, 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)
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): Withers&Ravenel,Inc.
Mailing Address:,7040 Wrightsville Avenue, Suite 101
City Wilmington State: NC Zip: 24803
Phone: [phone] Fax: [phone]
VIII. APPLICANT'S CERTIFICATION
I, (print or type name of person listed in General Information,Item 2) Todd Best
certify that the information included on this permit application form is,to the best of my knowledge,correct and
that the project will be constructed in conformance with the approved plans,that the required deed restrictions and
protective covenants will be recorded,and that the proposed project complies with the requirements of 15A
NCAC 2H.1000.
Signature: 7rri j Date: S— 2 " 2oa7
Form SWU-101 Version 3.99 Page 4 of 4