SW4170502_CURRENT PERMIT_20170608

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW`
DOC TYPE
FED CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE�Ji7D�(��
YYYYMMDD
I

Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
June 8, 2017
I
]r"
Mr. Mayur Patel, Engineering Manager
r
Duke Energy Carolinas, LLC
F
526 S. Church Street
Charlotte, North Carolina 28202
Subject: Stormwater Permit No. SW4170502
N: -'•
Holt Retail Substation, Bellemont, NC, Alamance County
Dear Mr. Patel:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
TRACY DAVIS
Director
NC Department of
Environmental Quality
Received
JUN 14 2017
Winston-Salem
Regional Office
The Division of Energy, Mineral, and Land Resources (DELMR), received a complete Stormwater
Management Permit Application for the subject project on May 26, 2017. 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 Section NCAC 2H.1000. We are forwarding Permit No. SW4170502, dated June 9,
2017, for the construction, operation and maintenance of the subject project and the stormwater system.
This permit shall be effective from the date of issuance until June 8, 2025, or until rescinded and shall be
subject to the conditions and limitations as specified therein, and does not supersede 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 by filing a written petition with the Office of Administrative Hearings
(OAH). The written petition must conform to Chapter 150B of the North Carolina General Statutes. Per
NCGS 143-215(e) the petition must be filed with the OAR within thirty (30) days of receipt of this
permit. You should contact the OAH with all questions regarding the filing fee (if a filing fee is required)
and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or via
telephone at 919431-3000, or visit their website at www.NCOAH.com. Unless such demands are made
this permit shall be final and binding.
This project will be kept on file at the Winston-Salem Regional Office. If you have any questions, or
need additional information concerning this matter, please contact Mike Randall at [phone]; or
[e-mail].
Sincerely, p�
for Tracy E. Davis, PE, CPM, Director
cc: SW4170502 File, Winston-Salem Regional Office
cc: Joe Ervin, UC Synergetic, LLC
Nothing Compares�
SSlate of North Carolina I Environmental Quality I Energy. Mineral and land Resources
512 N. Salisbury Street 1 1612 Mail Service Center I Raleigh, North Carolina 27699-1612
9197079200

State Stormwater Permit
Permit No. SW4170502
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT QUALITY
STATE STORMWATER MANAGEMENT PERMIT
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
Duke Energy Carolinas, LLC
FOR THE
construction, operation and maintenance of a Stormwater Control Measure (SCM) for the Holt
Retail Substation, in Bellemont, NC, Alamance County in compliance with the provisions of 15A
NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater
management plans, specifications and other supporting data as on file with and approved by the
State and considered a part of this permit.
This permit shall be effective from the date of issuance until June 8, 2025, 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. The SCM is approved for the management of stormwater runoff as described in the
application documents and as shown on the approved plans.
3. All stormwater collection and treatment systems must be located within a 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.
4. The runoff from all built -upon area within the permitted drainage area of this project must be
directed into the SCM.
The built -upon areas associated with this project shall be located at least 30 feet landward of
all perennial and intermittent surface waters.
6. The inlets SCMs shall be designed to protect the SCM from erosion resulting from
stormwater discharges. The outlets of SCMs shall be designed so that they do not cause
erosion immediately downslope of the discharge point during the peak flow from the 10-year
storm event as shown by engineering calculations.
7. The lip of the level spreader shall be at a uniform elevation with a construction tolerance of plus or
minus 0.25 inch at any point along its length. The level spreader shall be constructed of concrete or
other stable material.
8. Downslope of the level spreader, there shall be a one to three inch drop followed by a transition
zone that shall be protected from erosion by aggregate or high performance turf reinforcement
matting. The transition zone shall be a minimum of 12 inches wide.
Page 1 of 4

State Stormwater Permit
Permit No. SW4170502
9. Level spreader -filter strips shall not contain draws or channels.
10. Filter strips shall be graded with a uniform transverse slope of eight percent or less;
11. The pH, compaction, and other attributes of the first 12 inches of the soil shall be adjusted if
necessary to promote plant establishment and growth;
12. The filter strip and side slopes shall be planted with non -clumping, deep-rooted grass sod.
13. Soils shall be stabilized with temporary means such as straw or matting until the permanent
vegetative cover has taken root or the runoff shall be directed elsewhere until vegetation has
established.
If. SCHEDULE OF COMPLIANCE
1. During construction, erosion shall be kept to a minimum and any eroded areas of the system
will be repaired immediately.
2. The permittee shall at all time provide the operation and maintenance necessary to assure
every SCM 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 filter strip.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans.
f. Debris removal and unclogging of all drainage structures, level spreader, filter media,
planting media, underdrains, catch basins and piping.
g. Access to the cell and outlet structure must be available at all times.
3. Records of maintenance activities must be kept for the SCM. The reports will indicate the
date, activity, name of person performing the work and what actions were taken. The owner
shall keep maintenance records and these shall be available upon request by the party
responsible for enforcing the stormwater program under which the SCMs were approved.
4. The permittee shall submit an annual summary report of the maintenance and inspection
records for the SCM. The report shall summarize the inspection dates, results of the
inspections, and the maintenance work performed at each inspection.
5. The SCM shall be constructed in accordance with the approved plans and specifications, the
conditions of this permit, and with other supporting data.
6. 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 SCM certifying that it 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.
7. SCMs impacted by sedimentation and erosion control during the construction phase shall be
cleaned out and converted to its approved design state.
Page 2 of 4

State Stormwater Permit
Permit No. SW4170502
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 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 was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved
plan.
9. A copy of the approved plans and specifications shall be maintained on file by the Permittee
for a minimum of eight years from the date of the completion of construction.
10. 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.
11. The O&M Agreement shall be referenced on the final plat and shall be recorded with the
County Register of Deeds upon final plat approval ,If no subdivision, plat is"
arecorded for the
site, then the O&M Agreement shall be recorded with the,county'Register of.Deeds so as to
appear in the chain of title of all subsequent purchasers:
III. GENERAL CONDITIONS
1. 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 signed by both parties, to the State, accompanied by the
supporting documentation. The approval of this request will be considered on its merits and
may or may not be approved.
2. The permittee is responsible for compliance with all permit conditions until the Division
approves a request to transfer the permit.
3. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to enforcement action by the State, 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 all statutes,
rules, regulations, or,ordinances, which may be imposed by other government agencies
(local, state, and federal) having jurisdiction.
5. Facilities that 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 DEQ Staff permission to enter the property during normal business
hours to inspect all components of the permitted stormwater management facility.
Page 3 of 4

State Stormwater Permit
Permit No. SW4170502
7. 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.
8. 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 2006-246, Title 15A NCAC 21-1.1000, and
NCGS 143-215.1 et.al.
11. The permittee shall notify the Division in writing of any name, ownership or mailing address
changes at least 30 days prior to making such changes.
12. The permittee shall submit a renewal request with all required forms and documentation at
least 180 days prior to the expiration date of this permit.
Permit issued this the 9'1 day of June, 2017.
�I ? i
for Tracy E. Davis, P.E., CPM
Director Division of Energy, Mineral, and Land Resources
Page 4 of 4

State Stormwater Permit
Permit No. SW4170502
Duke Energy Carolinas, LLC
Designer's Certification
I, , as a duly registered in the State of
North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the project,
(Project Name)
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.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
cc: NCDEQ-DEMLR Regional Office
SEAL
0
Page 1 of 1

DEMLR USE ONLY
Date Received
Fee Paid
P r' n er
31
Applicable Rules: ❑ Coastal SW -1995
(select all that apply) ❑ Non -Coastal SW- HQW/ORW
❑ Other WQ M mt Plan:
❑ Coastal SW - 2008 ❑ Ph II - Pos ons uction
Waters ❑ Universal Stormwater Management Plan
State of North Carolina
Department of Environment and Natural Resources S�
Division of Energy, Mineral and Land Resources `
STORMWATER MANAGEMENT PERMIT APPLICATION FPRM� v
This form may be photocopied for use as an original
1. GENERAL INFORMATION '�P
1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Holt Retail Substation
2. Location of Project (street address):
3463 Bellemont - Mt Hermon, Rd.
City: &-iIfinn/1 E 7 County: Alamance Zip:27215
3. Directions to project (from nearest major intersection):
Approximately 1200 ft north of the intersection of Bellmont -Mt. Hermon Rd.and Southern High School Rd.
4. Latitude:36° 00' 57" N O v
if. PERMIT INFORMATION:
of the main entrance to the project.
1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modificationt
tRenemals with modifications also requires SKU-102 - Renemal Application Form
b.If this application is being submitted as the result of a modification to an existing permit, list the existing
permit number , its issue date (if known) and the status of
construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification
2. Specify the type of project (check one):
❑Low Density ®High Density ❑Drains to an Offsite Stormwater System ❑Other
3. If this application is being submitted as the result of a previously returned application or a letter from
DEMLR requesting a state stormwater management permit application, list the stormwater project number,
if assigned, and the previous name of the project, if different than currently
proposed,
4.a.Additional Project Requirements (check applicable blanks; information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748):
❑LAMA Major ®Sedimentation/Erosion Control: 5.0 ac of Disturbed Area
❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts
b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number,
issue date and the type of each permit:
5. Is the project located within 5 miles of a public airport? ❑No ®Yes
If yes, see S.L. 2012-200, Part Vl: http:/: 1portal_ iicdenr.org/web/Ir/rules-and-regulations
61
FonnSWU-101 Version Oct. 31,2013 Page Iof6

III. CONTACT INFORMATION
1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee,
designated government official, individual, etc. who owns the oroiect):
Applicant/Organization: Duke Energy Carolinas, LLC
Signing Official & Title:Mayur Patel. P.E., Engineering Manager
b.Contact information for person listed in item la above:
Street Address:526 S. Church St
City:Charlotte State:NC Zip:28202
Mailing Address (if applicable):
Phone: f704 ) 382-2381 Fax:
Email:[e-mail]
c. Please check the appropriate box. The applicant listed above is:
® The property owner (Skip to Contact Information, item 3a)
❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below)
❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and
2b below)
❑ Developer* (Complete Contact Information, item 2a and 2b below.)
2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the
person who owns the property that the project is located on):
Property Owner/
Signing Official &
b.Contact information for person listed in item 2a above:
Street Address:
Mailing Address (if
Phone:
Fax:
3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other
person who can answer questions about the project:
Other Contact
Signing Official &
b.Contact information for person listed in item 3a above:
Mailing Address:
City: Stag
Phone: ( 1 Fax:
4. Local jurisdiction for building permits:
Point of Contact: Robert Key Phone #: [phone]
Fonn SWU-101 Version Oct. 31, 2013 Page 2 of 6
\I

IV. PROJECT INFORMATION
1. In the space provided below, briefly summarize how the stormwater runoff will be treated.
high density project drained through vegetative filter strip - dry/wet detention will not be used due to
proximity to Burlington INC Municipal Airport
2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved:
❑ Approval of a Site Specific Development Plan or PUD Approval Date:
❑ Valid Building Permit Issued Date:
❑ Other: Date:
b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with:
❑ Coastal SW -1995 ❑ Ph 11 - Post Construction
3. Stormwater runoff from this project drains to the Jordan Lake River basin.
4. Total Property Area: 2.6 acres 5. Total Coastal Wetlands Area: 0 acres
6. Total Surface Water Area: 0.0 acres
7. Total Property Area (4) - Total Coastal Wetlands Area (5) -Total Surface Water Area (6) = Total Project
Area*:2.6 acres
* Total project area shall be calculated to exclude the following: the nonnal pool of impounded structures, the area
between the banks of streams and rivers, the area below the Normal Hi h Water (NHM line or Mean High Water
(MHW) line, and coastal wetlands landward firom the NIiW (or MH9 line. The resultant project area is used to
calculate overall percent built upon area (BUA). Norr-coastal wetlands landumrd of the NHW (or MHW) line may
be included in the total project area.
8. Project percent of impervious area: (Total impervious Area / Total Project Area) X 100
9. How many drainage areas does the project have?7. (For high density, count 1 for each proposed engineered
stormwater BMP. For low density and other projects, use 1 for the whole property area)
1.0. Complete the following information for each drainage area identified in Project Information item 9. If there
are more than four drainage areas in the project, attach an additional sheet with the information for each area
provided in the same format as below.
Basin Information
Drainage Area 1
Drainage Area _
Drainage r a
Drainage Area
Receiving Stream Name
Stinki
Creek
Qcf'
Stream Class *
WS-V:NSW
Stream Index Number *
16-1.9-8
Total Drainage Area (so
14041
On -site Drainage Area (so
114041
Off -site Drainage Area (sf)
0
Proposed Impervious Area**(so
1 96271
Impervious Area total
84
Impervious- Surface Area
Drainage Area 1
Drainage Area _
Drainage Area _
Drainage Area _
On -site Buildings/Lots (so
0
On -site Streets (so
16170
On -site Parking (so
801.01
On -site Sidewalks (so
0
Other on -site (so
0
Future(so
0
Off -site (so
0
Existing BUA*** (so
2710
Total (so:
96271
Stream Class and Index Number can be determined at: ham;//portal.ucdenr.org/weblzuq/pslcsu/classificatious
Form SWU-101 Version Oct. 31, 2013 Page 3 of 6

Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sideroalks, gravel areas, etc.
Report only that anrmmt of existing BUA that will remain after development. Do not report any existing BUA that is
to be removed and which will be replaced by new BUA.
11. How was the off -site impervious area listed above determined? Provide documentation.
Projects in Union County: Contact DEA1LR CervralOJjice staff to check ifthe project is located ivithin a Threatened &
Endangered Species ivatershed that uray be subject to more stringent siortrnvater requirements as per 15A NCAC 02B .0600.
V. SUPPLEMENT AND O&M FORMS
The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms
must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded
from http://12ortal.ncdenr.orrg/web/wq/ws/su/bmp-manual.
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and
Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application
instruction sheet and BMP checklists are available from
http://12ortal.ncdenr.org/web/wq/ws/su/statesw/forms does. The complete application package should be
submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the
interactive online map at htto://portal.ncdenr.org/web/wq/ws/su/maps.)
Please indicate that the following required information have been provided by initialing in the space provided
for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions
for each submitted application package from httgn://portal.ncdenr.org/web/wq/ws/su/statesw/forms dots.
itials
1. Original and one copy of the Stormwater Management Permit Application Form.
2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants rf
Form. (if required as per Part VII below)
3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M
agreement(s) for each BMP.
4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to
http://www.envhelorg/pages/ones topexoress.html for information on the Express program
and the associated fees. Contact the appropriate regional office Express Permit Coordinator for
additional information and to schedule the required application meeting.)
5. A detailed narrative (one to two pages) describing the stormwater treatment/management for
the project. This is required in addition to the brief summary provided in the Project
Information, item 1.
6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the
receiving stream drains to class SA waters within Ih mile of the site boundary, include the rk
mile radius on the map.
7. Sealed, signed and dated calculations (one copy).
8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including:
a. Development/Project name.
b. Engineer and firm.
c. Location map with named streets and NCSR numbers.
d. Legend.
e. North arrow.
f. Scale.
g. Revision number and dates.
h. Identify all surface waters on the plans by delineating the normal pool elevation of
impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal
waters, and any coastal wetlands landward of the MHW or NHW lines.
• Delineate the vegetated buffer landward from the normal pool elevation of impounded
structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters.
i. Dimensioned property/project boundary with bearings & distances.
j. Site Layout with all BUA identified and dimensioned.
k. Existing contours, proposed contours, spot elevations, finished floor elevations.
I. Details of roads, drainage features, collection systems, and stormwater control measures.
Form SWU-101 Version Oct. 31, 2013 Page 4 of 6

m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a
qualified person. Provide documentation of qualifications and identify the person who
made the determination on the plans.
n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations.
o. Drainage areas delineated (included in the main set of plans, not as a separate document).
p. Vegetated buffers (where required).
9. Copy of any applicable soils report with the associated SHWT elevations (Please identify
elevations in addition to depths) as well as a map of the boring locations with the existing
elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the
project area clearly delineated. For projects with infiltration BMPs, the report should also
include the soil type, expected infiltration rate, and the method of determining the infiltration rate.
(Infiltration Devices submitted to WiRO: Schedule a site visit for DEMLR to verify the SHWT prior
to submittal, [phone].)
10. A copy of the most current property deed. Deed book: 2502 Page No: 137
11. For corporations and limited liability corporations (LLC): Provide documentation from the NC
Secretary of State or other official documentation, which supports the titles and positions held
by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e)
The corporation or LLC must be listed as an active corporation in good standing with the NC
Secretary of State, otherwise the application will be returned.
htto:/ /www.secretarv.state.nc.us/Corporations/CSearch.asr)x
VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective
covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed
BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided
as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and
protective covenants forms can be downloaded from http:/Iportal.ncdenr.org/web/Ir/state-stormwater-
fonns does. Download the latest versions for each submittal.
In the instances where the applicant is different than the property owner, it is the responsibility of the property
owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring
that the deed restrictions are recorded.
By the notarized signatures) below, the permit holder(s) certify that the recorded property restrictions and
protective covenants for this project, if required, shall include all the items required in the permit and listed
on the forms available on the website, that the covenants will be binding on all parties and persons claiming
under them, that they will run with the land, that the required covenants cannot be changed or deleted
without concurrence from the NC DEMLR, and that they will be recorded prior to the sale of any lot.
VIII. CONSULTANT INFORMATION AND AUTHORIZATION
Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a
consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as
addressing requests for additional information).
Consulting Engineer: Toe Ervin
Consulting Firm: UC Synergetic. LLC
Mailing Address: 123 N. White St.
City: Ft. Mill State: SC Zip: 29715
Phone: (803 ) 8356154 Fax:
Email: iervin©ucseng.com
IX. PROPERTY OWNER AUTHORIZATION (if Contact Infornmtion, item 2 has been fitted out, complete this
section)
I, (print or type name of person listed in Contact Information, item 2n) certify that I
own the property identified in this permit application, and thus give permission to (print or type nave of person
listed in Contact Information, item In) with (print or type name of organization listed in
Contact Information, item 1n) to develop the project as currently proposed. A copy of
the lease agreement or pending property sales contract has been provided with the submittal, which indicates the
party responsible for the operation and maintenance of the stormwater system.
Form S WU-101 Version Oct. 31, 2013 Page 5 of 6

As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated
agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their
lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back
to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and
submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater
treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility
without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement
action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6.
a Notary Public for the State of . County of
. do hereby certify that
personally appeared
before me this _ day of and acknowledge the due execution of the application for a
stormwater permit. Witness my hand and official seal,
SEAL
My commission expires
X. APPLICANT'S CERTIFICATION
I, (print or type name of person listed in Contact Information, item In) Mmlur Patel
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective. covenants will be recorded, and that the proposed project complies with the requirements of the
applicable stormwater rules under 15A NCAC 211.1000 and any other applicable state stormwater requirements.
Date: O 1:- LLN N 1-4--
i ��1y /�
I, Qnuo' . L I worj a Notary Public for the State Iof N� 62rol I fI�nty of
j0U _ do he eby certify that --Mow U.P' f�>61 � personally appeared
before me this�� day of ri 01D11 . (an acknowled e e due exec n of the application for a
stormwater permit. Witness my hand and official seal,
IKENYA HOWARD
Notary Public, North Carolina
Mecklenburg County
My Commission Expires
August 05, 2020
SEAL
My commission expires, 02()
Form S WU-101 Version Oct. 31, 2013 Page 6 of 6

tl�9DH48762900II BIN��1��P��p
Tvoe1 CRP
MAY 2 6 2017
Doc ID; DGaerers000a
Doe ID;
Reeorded: 11/OB/2008 ei 11:4 00 M
Fae Ami: Sa59.00 Pape I of a
Exclss Tax: $430. GO
Alamance, NC
DAVID J.P. BARBER REGISTER OF DEEDS
LAND QUALITY SECTION
BN2502 PG137-140
GENERAL WARRANTY DEED
Revenue Stamps: $ 430.00
Parcel ID No. 8872240980 and 8872241B91
TM # 2-15-63 and 2-15-42
Prepared By: Jill Starling Britt
P.O. Box 1988, Burlington, NC/ 27216-1998
Return To Grantee: 610 _5. C.IIc:� IG
NORTH CAROLINA
ALAMANCE COUNTY
THIS DEED made this 5o' day of December, 2006, by and between Kenneth
Coble Hinshaw and wife, Joy M. Hinshaw,Grantor and Duke Energy Carolinas, LLC
a North Carolina Limited Liability Company, Grantee. The designation Grantor and
Grantee as used herein shall include said parties, their heirs, successors, and assigns,
and shall include singular, plural, masculine, feminine or neuter as required by context.
WITNESSETH:
That the Grantor, for a valuable consideration paid by the Grantee, the receipt of
which is hereby acknowledged, has and by these presents does grant, bargain, sell and
convey unto the Grantee in fee simple, all of that certain tract or parcel of land more
particularly described as follows:
See Exhibit "A I I which is attached hereto and made a part hereof
The property hereinabove described was acquired by Grantor by instrument
recorded in Deed Book 559, at Page 267of the Alamance County Registry.
TO HAVE AND TO HOLD the aforesaid lot or parcel of land and all privileges
and appurtenances thereto belonging to the Grantee in fee simple.
And the Grantor covenants with the Grantee, that Grantor is seized of the
premises in fee simple, has the right to convey the same in fee simple, that title is
marketable and free and clear of all encumbrances, and that Grantor will warrant and
defend the title against the lawful claims of all persons whomsoever except for the
exceptions hereinafter stated.
This conveyance is subject to easements, rights of way, and restrictive
covenants, if any, appearing of record in the Alamance County Registry and further
subject to ad valorem taxes for the current year, the same having been pro -rated at
closing with the Grantee herein assuming and agreeing to pay same when due.
IN WITNESS WHEREOF, the Grantor has hereunto set his hand and seal, or if
corporate, has caused this instrument to be signed in its corporate name by its duly
Mal

authorized officers and its seal to be hereunto affixed by authority of its Board of
Directors, the day and year first above written.
9� G ��(SEAL)
Kenneth Coble Hinshaw
✓� (SEAL)
joi M. Hinshaw
NORTH CAROLINA
ALAMANCE COUNTY
I, 1 I I W d�RSa fJ(ri'I' , a Notary Public of said County, do
hereby certify that Kenneth oble Hinshaw and wife, Joy M. Hinshaw, personally
appeared before me this day and acknowledged the due execution of the foregoing
instrument.
Witness my hand and official seal, this the 6-t—' day of
"Z o rc - , 2006.
Notary ub is
My Commission Expires:
c: c:rru G;•.r�m

EXA.IBIT "A"
Tract One:
A certain tract or parcel of land located in Coble Township, Alamance County, North Carolina,
adjoining the 60 foot public right of way of Belmont -Mt. Hermon Road (SR 1136); property of
Joseph Hinshaw (Deed Book 1600, Page 67); Kathy and Terry Dotson (Deed Book 1596, Page
714); Keith and April Doby (Deed Book 1168, Page 735) and being more particularly described
as follows:
BEGINNING at a Number 4 rebar (0 (controlled comer) located in the western margin of the 60
foot right of way of Belmont -Mt Hermon Road (SR 1136) and the southeast comer of Joseph
Hinshaw; thence with the western margin of Belmont -Mt. Hermon Road (SR l 136) the
following courses and distances: South 32' 2' 46" East 19.33 feet to a point; thence, South 272
28' 35" East 111.39 feet to a point; thence, South 22' 28' 43" East 117.42 feet to a point; thence,
South 172 32' 42" East 121.31 feel to a point; thence, South 12' 5' 48" East 122.64 feet to a
point; thence, South 70 27' 33" East 119.11 feet to a'G" pipe (0 located in the western margin of
the 60 foot right of way of Belmont -Mt. Hermon Road (SR 1136) and in the northern line of
Kenneth Cole Hinshaw (Parcel 8872241891 as shown on Plat Book 71, Page 218); thence with
the northern line of Kenneth Cole Hinshaw (Parcel 8872241891), South 812 27' 24" West 162.87
feet to a half inch pipe (f); thence continuing around the perimeter of Parcel 8872241891
(Hinshaw) the following courses and distances: South 09 11' 41" West 260.55 feet to a 3/8ths
inch pipe (Q; thence, North 812 36' 9" East 162.98 feet to a miscellaneous corner; thence with
the western margin of the 60 foot right of way of Belmont -Mt. Hermon Road (SR 1136) the
following courses and distances: South 32 00' 46" West 31.02 feet to a point; thence, South 42
18' 57" West 120.65 feet to a point; thence, South 42 30' 39" West 286.38 feet to a point located
in the western margin of the 60 foot right of way of Belmont -Mt. Hermon Road (SR t 136) and
the southeast comer of Doby; thence with the northern line of Doby, South 872 41' 2" West
55.02 feet to a point; thence, South 782 25' 43" West 55.97 feet to a point located in the northern
line of Doby and the eastern line of Dotson; thence with the eastern line of Dotson the following
courses and distances: North 140 31' 30" West 49.94 feet to a number 4 rebar (f); thence, North
142 31' 30" West 202.59 feet to a number 4 rebar (f) (rebar offline West 0.02 feet); thence, North
149 31' 30" West 138.65 feet to a number 4 rebar (f) (rebar offline West 0.05 feet); thence, North
14Q 31' 30" West 168.76 feet to a pk (f) (60 d nail in (f) offline East 0.01 feet); thence, North 142
31' 30" West 580.44 feet to a number 4 rebar (0 (controlled corner) located in the northeast
comer of Dotson and the southeast comer of Joseph Ilinshaw (Deed Book 600, Page 67); thence
continuing the southern line of Joseph Hinshaw, North 522 5 P 10" East 166.20 feet to a number
4 rebar (0 (rebar offline North 0.03 feet); thence continuing with the southern line of Joseph
Hinshaw, North 522 5 P 10" East 139.56 feet to the point and place of BEGINNING containing
6,464 acres, more or less, and being designated Parcel 8872240980 as shown on a plat for Duke
Energy Carolinas, LLC, Final Plat, Property of Kenneth C. Hinshaw as recorded in Plat Book
71, Page 218 of the Alamance County Registry and to which reference is hereby made for a
more particular description. The aforesaid is also known as Lot Three (3) as shown on Plat
Book 66 at Page 188 of the Alamance County Registry.
TractTwo:
A certain tract or parcel of land located in Coble Township, Alamance County, North Carolina
adjoining the 60 foot right of way of Belmont -MI Hermon Road (SR. 1136); property of Kenneth
Cole Hinshaw (Parcel 8872240980 as shown on Plat Book 71, Page 218) and being more
particularly described as follows:
BEGINNING at a %a" pipe (0 located in the western margin of the 60 foot right of way of
Belmont -Mt. Hermon Road (SR 1136) and an eastern comer of Kenneth Cole Ilinshaw (Parcel
8872240980); thence crossing the 60 foot right of way of Belmont .Mt. Ilermon Road (SRI 136),
North 81° 27' 24" East 30.03 feet to a point located in the center of Belmont -Mt. Hermon Road
(SR 1136); thence continuing with the centerline of Belmont -Mt- Hermon Road (SR 1136) the
following courses and distances: South 42 7' 9" East 98.23 feet to a point; thence, South 02 14'
54" West 63 feet to a point; thence, South 29 37' 54" West 99.98 feet to a point; thence crossing
the 60 foot right of way of Belmont -Mt. Hermon Road (SR 1136), South 812 36' 9" West 30.56
feet to a miscellaneous comer located in the western margin of Belmont -Mt. Hermon Road (SR

1136) and the eastern comer of Kenneth Cole Hinshaw (Parcel 8872240980); thence continuing
with Kenneth Cole Hinshaw (Parcel 8872240980) the following courses and distances: South
812 36' 9" West 162.98 feet to a 3/8ths inch pipe (0; thence, North 09 11' 4 1 " West 260.55 feet
to a half inch pipe (f); thence, North 812 27' 24" East 162.87 feet to the point and place of
BEGINNING containing 1.168 acres, more or less, as shown on a plat for Duke Energy
Carolinas, LLC entitled "Final Plat Properly of Kenneth C. Hinshaw," and being designated as
Parcel No. 8872241891 as shown on a plat recorded in Plat Book 71 at Page 218, Alamance
County Registry to which reference is hereby made for a more particular description.
G:U1RI'l-DLD@006tDukeEnergyH imhawTmctOne.doe

JOSEPH ERVIH oe-16 190
768 JACKSON ST: 67-7646R532
t SUMMERVILLE, SC 29485
ate
t
orgrofa �C:;tJ(Z e1/1( $ 5 GC..
'I I _
II�e 'uAk FNt (n7. Dollars
®SOUTH C�AROLINA
F E D E kkL LIFESIMPLIFIE[r
' CREDIT UNION
-
For IJI' G1
1:25324840W L38i5997b911001w

{;' '• Opecatioroi &Maintenance Agreement.
Project Name:
Project Location:
Holt Retail Substation
3463 Bellemont-Mt. Hermon Rd., Burlington, NC
maintenance recoros shall he Kept on the tonowmg CMN(s). I his maintenance record shall be Kept i
location. Any deficient BMP elements noted in the inspection will be corrected, repaired, or replaced
deficiencies can affect the integrity of structures, safety of the public, and the pollutant removal efficie
The BMP(s) on this project include (check all that
Bioretention Cell
Dry Detention Basin
Grassed Swale
Green Roof
Infiltration Basin
Infiltration Trench
Level SpreaderMFS
Permeable Pavement
Proprietary System
Rainwater Harvesting
Sand Filter
Stormwater Wetland
Wet Detention Basin
Disconnected Impervious Area
User Defined BMP
O&M tables wil
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
of the BMP'(sJ 14 2017
=.:__,..,.Winston-saiem
I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed
for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any
changes to the system or responsible party.
Signature:
11-� ,
` Responsible Party:
Title & Organization:
Street address:
City, state, zip:
Phone number(s):
Email:
Duke Energ Carolinas, LLC
�r ran Si n r� i•.kcfi,o' Y'�a u V-L/
Duke General Office, 526 South Church Street
Charlotte, INC 28202
/- 3 7.7 - -3 qa
5XJ`t! on
Date,
a Notary Public for the State of /) FJ.i ` �b a dt q( c l
County of �}"),QC�rtr(2CC2q , do hearby certify that 4A'-Vj� LC)
personal) appeared before me this y pp �t dayof 6?Di 7 and
acknowledge the due execution of the Operations and Maintenance Agreement .
Witness my hand and official seal, !%'c:ceraei'73
PATRICIA W. TOWNSEND
Notary Public, North Carolina
Mecklenburg County
My mm'sston Expires
oZ 5
My commission expires 5/4/2017
Page 1 of 3

LEVEL SPREADER - FILTER STRIP (LS-FS)
Holt Retail
THE DRAINAGE AREA i
Drainage area number
1
Break down of BUA in the drainage area fboth new and existing):
Total coastal wetlands area (sq it)
sf
- Parking / driveway (sq 8)
80101 sf
Total surface water area (sq ft)
sf
- Sidewalk (sq ft)
Total drainage area (sq ft)
114041 sf
- Roof (sq ft)
BUA associated win existing development (sq ft)
2710 sf
- Roadway (sq h)
16170 sf
Proposed new BUA (sq fit)
96271 sf
- Other, please spedty, in the comment box below (sq f)
Percent BUA of drainage area
84 %
Total BUA (sq ft)
96271 sf
COMPLIANCE WITH THE APPLICABLE STORMWATER PROGRAM
Stormwater programs) that apply (please specify):
IDesign rainfall depth (in)
1.0 in
NCDFO State Storm water- post conslrrvction water quality control of first inch
Minimum volume required (co h)
8022 cf
Design volume of SCM (cu tt)
8022 of
GENERAL MDC FROM 02H.1050
#1 Is the SCM sized to treat the SW from all surfaces at build -out?
Yes
#7 If applicable, will the SCM be cleaned out after construction?
Yes
#2 Is the SCM located on or near contaminated soils?
No
#8 Does the mainetenance access comply with General MDC (8)?
Yes
#3 What are the side slopes of the SCM (H:1)?
n/a
#9 Does the drainage easement comply with General MDC (9)?
Yes
#3 Does the SCM have retaining walls, gainer, walls or other engineered side slopes?
No
#10 If the SCM is on a single family lot, does the plat comply with General MDC (10)?
#4 Are the inlets, outlets, and receiving stream protected from erosion (10-year storm)?
Yes
#11 Is there an O8M Agreement that complies with General MDC 11)?
Yes
#5 Is there a a bypass for flows in excess of the design flow?
Yes
#12 Is there an O8M Plan that complies with General MDC (12)?
Yes
#6 What is the method for dewatering the SCM for maintenance?
Other
#13 Was the SCM designed by an NC licensed professional?
Yes
LS-F5 MDC FROM 02H_1059
#1 Length of level spreader (feet)
25 fl
#7 Height of the drop from me level spreader to the transition zone (inches)
3.0 in
#2 LS-FS receives flow from
The drainage areas
#7 Width of the transition zone (inches)
12.0 in
#2 Flow rate to LS-FS during design storm (cfs)
2 afs
#7 Protection for the transition zone
Aggregate
#2 Is a bypass device provided?
Yes
#e Width of the fitter strip (feet)
25 It
#2 If yes, describe the bypass device:
#9 Is the filter strip free of draws and channels?
Yes
pipe bypass to existing creek
#9 Has this been verified in the field?
Yes
#3 Is this LS-FS designed to receive flow from the drainage area during the 10-year storm?
Yes
#10 Slope of the filter strip (%)
3%
14 Has a blind swale been provided?
Yes
#10 Is this slope uniform across the entire filter strip?
Yes
#4 Does the blind swele provide for uniform overtopping of the level spreader?
Yes
#10 Will the first 12" of soil be adjusted if needed to promote plant growth?
Yes
#5 What material will be used for the level spreadeR
concrete
#10 Will the filter strip and side slopes be planted with non -clumping, deep-rooted sod?
No
#5 Will the construction tolerance be <0.25 inch along the level spreader length?
Yes
#10 Species of sod that will be used
#6 Will the level spreader be straight or convex in plan view?
Yes
1#10 Will soil be temporarily stabilized until permanent vegetation is established?
Yes
ADDITIONAL INFORMATION
Please use this space to provide any additional information about this LS-FS that you think is relevant to the review:
LS-FS 1 11:05 AM 5/11/2017

I MDC FOR LEVEL SPREADER -FILTER STRIPS CHECKLIST I
GENERAL MDC 1. SIZING.
✓ The design volume of SCMs shall account for the runoff at build out from all,surfaces draining to the system..,,,
n��
Drainage from off -site areas may be bypassed. The combined design volume�Dpn>,tmpntot
of aIllSCNIS,onthe.prLotectisthall be
sufficient to handle the required storm depth. i Received
s;
GENERAL MDC 2: CONTAMINATED SOILS (See Permit). "' JUN 14 2017
Winston-Salem
✓ SCMs that allow stormwater to infiltrate shall not be located on or in areas with contaminated soils.
GENERAL MDC 3: SIDE SLOPES.
Side SGIVIs
be 3:1
slopes of stabiliged
with vegetated reveF shall Re steepeF thaR (h9FOZGRt@l to YeFtic-a-+.
Retaining
be than 34. SteepeF
walls, BabieR
be
walls, and 9theF eRgineeFed suFfaces Fnay steepeF vegetated slepes
by basis if the dF!MAF19tFatP9 that the ghall
Fnay eensideFed en
FPFMAiA tAbl
a ease ease appliGaRt soils and vegetation
A4l II:%1%IM114K,N4341.1191 title itd111610
GENERAL MDC 5: EXCESS FLOWS.
✓ SCMs shall include an overflow or bypass device for inflow volumes that exceed the treatment volume, or, if
applicable, the peak attenuation volume.
GENERAL MDC 6: DEWATERING.
GENERAL MDC 7: CLEAN OUT AFTER CONSTRUCTION (See Permit)
✓ Every SCM impacted by sedimentation and erosion control during the construction phase shall be cleaned out
and converted to its approved design state.
GENERAL MDC 8: MAINTENANCE ACCESS.
✓ Every SCM installed pursuant to this Section shall be made accessible for maintenance and repair. Maintenance
accesses shall (a) have a minimum width of ten feet; (b) not include lateral or incline slopes that exceed 3:1
(horizontal to vertical); and (c) extend to the nearest public right-of-way.
GENERAL MDC 9: EASEMENTS (High Density Projects).
shewn en the design dFaWiAgS.
l I P a g e MDC FOR ALL SCM

MDC FOR LEVEL SPREADER -FILTER STRIPS CHECKLIST '1
GENERAL MDC 9: EASEMENTS (High Density Projects - See Permit).
✓ All SCMs and associated maintenance accesses on privately owned land, except for those located on single
family residential lots, shall be located in permanent recorded easements. The SCM shall be shown and labeled
within the easement. These easements shall be granted in favor of the party responsible for enforcing the
stormwater program under which the SCMs were approved. SCMs must have access and maintenance
easements to provide the legal authority for inspections, maintenance personnel and equipment. The entire
footprint of the SCM system must be included in the access and maintenance easement, plus an additional ten
or more feet around the SCM to provide enough room to complete maintenance tasks. This SCM system
includes the side slopes, forebay, riser structure, SCM device, and basin outlet, dam embankment, outlet, and
emergency spillway.
GENERAL MDC 10: SINGLE FAMILY RESIDENTIAL LOTS (High Density Projects)
typical detail f9F crnn
to he used; and (e) „ note that the crnn e., the
p e.ty has tiesR F Fed to Fneet
GENERAL MDC 11: OPERATION AND MAINTENANCE AGREEMENT (High Density Projects).
✓ The owner of the SCMs shall enter into a binding Operation and Maintenance (O&M) Agreement with the party
responsible for implementing the stormwater program under which the SCMs were approved. The 0&M
Agreement shall require the owner to maintain, repair, or reconstruct the SCMs in accordance with the
approved design plans and the O&M Plan.
GENERAL MDC 21: OPERATION AND MAINTENANCE AGREEMENT (High Density Projects - See Permit).
✓ The O&M Agreement shall be referenced on the final plat and shall be recorded with the county Register of
Deeds upon final plat approval. If no subdivision plat is recorded for the site, then the O&M Agreement shall be
recorded with the County Register of Deeds so as to appear in the chain of title of all subsequent purchasers.
GENERAL MDC 12: OPERATION AND MAINTENANCE PLAN (High Density Projects).
✓ There shall be an 0&M Plan for every project subject to this Rule. The O&M Plan shall specify all operation and
maintenance work necessary for the function of all SCM components, including the stormwater conveyance
system, perimeter of the device, inlet(s), pretreatment measures, main treatment area, outlet, vegetation, and
discharge point. The 0&M plan shall specify methods to be used to maintain or restore the SCMs to design
specifications in the event of failure. 0&M plans shall be signed by the owner and notarized.
GENERAL MDC 12: OPERATION AND MAINTENANCE PLAN (High Density Projects - See Permit).
✓ The owner shall keep maintenance records and these shall be available upon request by the party responsible
for enforcing the stormwater program under which the SCMs were approved.
GENERAL MDC 13: 15A NCAC 2H .1059 MDC FOR LEVEL SPREADER -FILTER STRIPS
✓ The purpose of this Rule is to set forth the design requirements for level spreader -filter strips that are
constructed to meet the requirements of this Section.
2 1 P a g e MDC FOR ALL SCM

r MDC FOR LEVEL SPREADER -FILTER STRIPS CHECKLIST
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 1: LEVEL SPREADER LENGTH
✓ The level spreader shall be a minimum of 10 feet in length per one cubic foot per second of stormwater flow
that is directed to it.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 2: REQUIRED STORM INTENSITY AND BYPASS
✓ a level spreader that receives flow directly from the drainage area shall be sized based on the flow rate during
the 0.75 inch per hour storm, with a flow bypass system for larger storm events; or
a 'eye' SPFeadeF that FerPOVPS flWhl 49FIR an SGM shall be sized based GA the dFR;.A.f HAMM Fatt, of the design
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 3: EXCEPTION FROM FLOW BYPASS REQUIREMENT
✓ A flow bypass system shall not be needed if the level spreader is sized to handle the flow during 10-year storm
event.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 4: BLIND SWALE
✓ Upslope of the level spreader, there shall be a blind Swale or other method of ponding water. The blind Swale
shall be designed to provide for uniform overtopping of the level spreader.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 5: LEVEL SPREADER SPECIFICATIONS
✓ The lip of the level spreader shall be at a uniform elevation with a construction tolerance of plus or minus 0.25
inch at any point along its length. The level spreader shall be constructed of concrete or other stable material.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 6: LEVEL SPREADER SHAPE
✓ The level spreader shall be straight or convex in plan view.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 7: TRANSITION ZONE
✓ Downslope of the level spreader, there shall be a one to three inch drop followed by a transition zone that shall
be protected from erosion by aggregate or high performance turf reinforcement matting. The transition zone
shall be a minimum of 12 inches wide.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 8: MINIMUM WIDTH OF THE FILTER STRIP
✓ The minimum width of the filter strip shall be 30 feet, measured perpendicular to the level spreader lip.
SPECIFIC MINIMUM DESIGN CRITERIA (MDC) 9: NO DRAWS OR CHANNELS IN THE FILTER STRIP
✓ The filter strip shall not contain draws or channels.
3 1 P a g c SPECIFIC MDC FOR SAND FILTERS

MDC FOR LEVEL SPREADER -FILTER STRIPS CHECKLIST ,l
SPECIFIC MINIMUM DESIGN CRITERIA (MDC)10: FILTER STRIP SPECIFICATIONS
✓ Filter strips shall be graded with a uniform transverse slope of eight percent or less;
✓ The pH, compaction, and other attributes of the first 12 inches of the soil shall be adjusted if necessary to
promote plant establishment and growth;
✓ The filter strip and side slopes shall be planted with non -clumping, deep-rooted grass sod; and
✓ Soils shall be stabilized with temporary means such as straw or matting until the permanent vegetative cover
has taken root or the runoff shall be directed elsewhere until vegetation has established.
4 1 P a g e SPECIFIC MDC FOR SAND FILTERS