SW8131008_HISTORICAL FILE_20131122 (2)

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 1310 0
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
`T HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2o►31122
YYYYMMDD
i

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Energy, Mineral, and Land Resources
Stormwater Section
Tracy E. Davis, PE, CPM
Director
November 22, 2013
Pat McCrory, Governor
John E. Skvarla, III, Secretary
Louis Cox, President
Holt Oil Company
1709 Clinton Road
Fayetteville, NC 28305
Subject: State Stormwater Management Permit No. SW8 131008
Holt Oil — Supply Site
High Density Commercial Wet Detention Pond Project
Brunswick County
Dear Mr. Cox:
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Holt Oil — Supply Site on October 15, 2013. 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 and Session Law 2008-211. We are
forwarding Permit No. SW8 131008 dated November 22, 2013, for the construction, operation
and maintenance of the BMP's and built -upon areas associated with the subject project.
This permit shall be effective from the date of issuance until November 22, 2021, and shall be
subject to the conditions and limitations as specified therein. Please pay special attention to the
conditions listed in this permit regarding the Operation and Maintenance of the BMP(s),
recordation of deed restrictions, procedures for changes of ownership, transferring the permit,
and renewing the permit. Failure to establish an adequate system for operation and
maintenance of the stormwater management system, to record deed restrictions, to transfer the
permit, or to renew the permit, 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 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, and must be filed with the OAH 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 919-431-3000, or visit their website at www.NCOAH.com.
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
Chris Baker in the Wilmington Regional Office, at [phone].
Sin rely,
�'�
Tracy avis, P.E., Director
Division of Energy, Mineral and Land Resources
GDS/csb: 6:\WQS\Stormwater\Permits & Projects\2013\131008 HD\2013 11 permit 131008
cc: Phillip Norris, P. E., Norris & Tunstall Consulting Engineers P. C.
Brunswick County Building Inspections
Brunswick County Engineering
Wilmington Regional Office Stormwater File
Wilmington Regional Office
127 Cardinal Drive Extension, Wilmington, North Carolina 28405 Phone: [phone] / Fax: [phone]

State Stormwater Management Systems
Permit No. SW8 131008
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY COMMERCIAL 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
Holt Oil Company
Holt Oil — Supply Site
905 Old Ocean Highway, Bolivia, Brunswick County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with the
provisions of 15A NCAC 2H .1000 and Session Law 2008-211 (hereafter collectively referred
to as the "stormwater rules') the approved stormwater management plans and specifications
and other supporting data as attached and on file with and approved by the Division and
considered a part of this permit.
This permit shall be effective from the date of issuance until November 22, 2021, and shall
be subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater runoff
as described in Section 1.7 of this permit. The stormwater control has been designed
to handle the runoff from 49,160 square feet of impervious area.
3. A 50' wide vegetative buffer must be provided and maintained adjacent surface
waters, measured horizontally from and perpendicular to the normal pool of
impounded structures, the top of bank of both sides of streams and rivers and the
mean high water line of tidal waters.
4. The tract will be limited to the amount of built -upon area indicated in this permit, and
per approved plans. The built -upon area for the future development is limited to
10,000 square feet.
5. 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.
6. The runoff from all built -upon area within the permitted drainage area(s) of this project
must be directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 131008
The following design criteria have been provided in the wet detention pond and must
be maintained at design condition:
a. Drainage Area, 9.cres:
Onsite, ft :
Offsite, ft2:
b. Total Impervious Surfaces, ft2:
Onsite, ft :
Offsite, ft2:
C. Design Storm, inches:
d. Average Pond Design Depth, feet:
e. TSS removal efficiency:
f. Permanent Pool Elevation, FMS.�:
g. Permanent Pool Surface Aret, ft
h. Permitted Storage Volume, ft :
i. Temporary Storage Elevation, FMSL:
Pre-dev. 1 yr-24 hr. discharge rate, cfs:
Controlling Orifice:
I. Orifice flowrate, cfs:
M. Permitted Forebay Volume, ft3:
n. Fountain Horsepower
o. Receiving Stream/River Basin:
p. Stream Index Number:
q. Classification of Water Body:
II. SCHEDULE OF COMPLIANCE
2.02
87,979
N/A
49,160
49,160
N/A
1.5
3
90%
43
6,034
6,445
43.85
0.73
1.5"0 pipe
0.03
2,978
N/A
Clark Branch / Lumber
15-25-1-7
"C;Sw"
1. 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.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately.
3. The permittee shall, at all times, provide the operation and maintenance necessary to
assure the permitted stormwater system functions at optimum efficiency. The signed
and approved Operation and Maintenance Agreement must be followed in its entirety
and maintenance must occur at the scheduled intervals.
4. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DENR. The records will indicate the date, activity, name of
person performing the work and what actions were taken.
5. The facilities shall be constructed in accordance with the conditions of this permit, the
approved plans and specifications, and 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 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.
7. 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.
8. Access to the stormwater facilities for inspection and maintenance shall be maintained
via appropriate recorded easements at all times.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 131008
9. The permittee shall submit to the Director and shall have received approval for revised
plans, specifications, and calculations prior to construction, for any modification to the
approved plans, including, but not limited to, those listed below:
a. Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc.
b. Redesign or addition to the approved amount of built -upon area or to the
drainage area.
C. Further development, subdivision, acquisition, lease or sale of any, 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.
d. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
e. The construction of any future BUA listed on the application.
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. Approved plans and specifications for this project are incorporated by reference and
are enforceable parts of the permit. A copy of the approved plans and specifications
shall be maintained on file by the Permittee at all times.
III. GENERAL CONDITIONS
1. Any individual or entity found to be in noncompliance with the provisions of this
storrmwater management permit or the requirements of the Stormwater rules is
subject to enforcement procedures as set forth in G.S. 143 Article 21.
2. 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.
3. In the event that the facilities fail to perform satisfactorily, 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.
4. This permit is not transferable to any person or entity except after notice to and
approval by the Director. The permittee shall submit a completed and signed
Name/Ownership Change Form, accompanied by the supporting documentation as
listed on the form, to the Division at least 60 days prior to any one or more of the
following events:
a. An ownership change including the sale or conveyance of the project area in
whole or in part;
b. The sale or conveyance of the common areas to a Homeowner's or Property
Owner's Association, subject to the requirements of Session Law 2011-256;
c. Bankruptcy;
d. Foreclosure;
e. Dissolution of the partnership or corporate entity;
f. A name change of the current permittee;
g. A name change of the project;
h. A mailing address change of the permittee;
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 131008
5; The permittee is responsible for compliance with all permit conditions until such time
as the Division approves the transfer request.
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.
7. The permit remains in force and effect until modified, revoked, terminated or renewed.
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.
9. The permittee shall submit a permit renewal request at least 180 days prior to the
expiration date of this permit. The renewal request must include the appropriate
documentation and the processing fee.
Permit issued this the 22nd day of November.
NO CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
cy a Director
Division of Energy, Mineral and Land Resources
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 131008
Holt Oil — Supply Site
Stormwater Permit No. SW8 131008
Brunswick County
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,
roject)
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 specifications:
Signature
Registration Number
Date
SEAL
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 131008
Certification Requirements:
1. The drainage area to the system contains approximately the permitted acreage.
2. The drainage area to the system contains no more than the permitted amount
of built -upon area.
3. All the built -upon area associated with the project is graded such that the runoff
drains to the system.
4. All roof drains are located such that the runoff is directed into the system.
5. The outlet 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 structure.
8. All slopes are grassed with permanent vegetation.
9. Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause short-circuiting
of the system.
11. The permitted amounts of surface area and/or volume have been provided.
12. Required drawdown devices are correctly sized and located 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.
16. All components of the stormwater BMP are located in either recorded common
areas, or recorded easements.
cc: NCDENR-DEMLR Wilmington Regional Office
Brunswick County Building Inspections
Page 7 of 7

DWQ USE ONLY
Date Received
Fee Paid
Permit Number
n
Applicable Rules:
(select all that apply)
❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph 11- Post Construction
❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan
❑ Other WQ M •mt Plan:
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Holt Oil - Supply Site
2. Location of Project (street address):
905 Old Ocean Highway
City:1301ivia County:Brunswick Zip:28422
3. Directions to project (from nearest major intersection):
Intersection of US Hwy 17 and Business 17 - Old Ocean Hwy
4. Latitude:34* 02' 17" N Longitude:78° 14' 51" W of the main entrance to the project.
IL PERMIT INFORMATION:
1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modificationt
tRenenoals Toith modifications also requires SWU-102 — Renenoal Application Form
b.lf 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 DWQ
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):
❑CAMA Major ®Sedimentation/Erosion Control: 2 ac of Disturbed Area
❑NPDES Industrial Stormwater 0404/401 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? NNo ❑Yes
If yes, see S.L. 2012-200, Part Vl: htt ortal.ncdenr.or we r sT laws
OCT 15 1013UZ
Form SWU-101 Version MAug2012 Pagel of6 gy.�

Ill. CONTACT INFORMATION
I. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee,
designated government official, individual, etc. who owns the project):
Applicant/ Organ ization:Holt Oil Company
Signing Official & Title:Louis S. Cox President
b.Contact information for person listed in item 1a above:
Street Address:1709 Clinton Raod
City:Fayetteville State:NC Zip:28305
Mailing Address (if applicable): _
Sta
Phone: (910 ) 483-5137 Fax:
EmaiLfuelrep©earthlink.net
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/Organization:Holt Real Estate Enterprises Inc
Signing Official &'ritle:Louis S. Cox President
b.Contact information for person listed in item 2a above:
Street Address:1709 Clinton Road
City:Fayetteville State:NC Zip:28305
Mailing Address (if applicable):
City: State:
Phone: (910 ) 483-5137 Fax:
Email:fuelrep©earthlink.net
3. a. (Optional) Print the name and title of another contact such as the projects construction supervisor or other
person who can answer questions about the project:
Other Contact Person/Organization:
Signing Official & Title:
b.Contact information for person listed in item 3a above:
Mailing Address:
City:
Phone:
4. Local jurisdiction for building permits: Brunswick Count
State:
Fax: ( 1
Point of Contact: Phone #: [phone] `
OCT 15 2013
Form SWU-101 Version 06Aug2012 Page 2 of

IV. PROJECT INFORMATION
1. In the space provided below, hriefly summarize how the stormwater runoff will be treated.
Stormwater Pond
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 II - Post Construction
3. Stormwater runoff from this project drains to the Lumber River basin.
4. Total Property Area: 2.02 acres 5. Total Coastal Wetlands Area: 0 acres
6. Total Surface Water Area: 0 acres
7. Total Property Area (4) - Total Coastal Wetlands Area (5) -Total Surface Water Area (6) = Total Project
Area+:2.02 acres
Total project area shall be calculated to exclude the following the normal pool of ion nppounded structures, the area
between the banks of streams and rivers, the area belozo the Nornnal High Water (NHW) line or Mean High Water
(MHW) line, and coastal wetlands landward from the NHW (or MHM line. The resultant project area is used to
calculate overall percent built upon area (BUA). Non -coastal wetlands landward of the NHW (or MHW) line mmt
be included in the total project area.
8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 55.88
9. How many drainage areas does the project have?] (For high density, count 1 for each proposed engineered
stonmwater BMP. For lozo densihj and other projects, use 1 for the whole properhJ area)
10. 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 Area _
Drainage Area _
Receiving Stream Name
Clark Branch
Stream Class *
C;SW
Stream Index Number *
15-25-1-7
Total Drainage Area (so
87,979
On -site Drainage Area (so
87,979
Off -site Drainage Area (so
0
Proposed Impervious Area** (so
49,160
% Impervious Area** total
55.88
Impervious" Surface Area
Draina a Area 1
Draina a Area _
Draina e Area _
Draina a Area _
On -site Buildings/Lots (so
4500
On -site Streets (so
33,330
On -site Parking (so
On -site Sidewalks (so
1330
Other on -site (so
-
Future (so
10000
Off -site (sf)
-
Existing BUA*** (so
-
Total (so:
49,160
* Stream Class and Index Number can be determined at: http.Vlportal.iicdeiir.oreMAveblku)alpsll@si c L& _
"* Impervious area is defined as the built upon area including, but not limiter) to, buildings, ro , pa kittg are is, I t
sidewalks, gravel areas, etc. ryrq I fl
Report only that amount of existing BUA that zoill remain after development. Do not repor tp ~I51lnJ &d10q t
is to be removed and which Will be replaced by new BUA.
we
Form SWU-101 Version 06Aug2012 Page 3 of 6 -- —

11. How was the off -site impervious area listed above determined? Provide documentation.
Projects in Union County: Contact DWQ Central Office staff to check If the project is located within a Threatened &
Endangered Species watershed that may be subject to more stringent stormwater 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://c)ortal.ncdenr.ore/web/wci/ws/su/bmv-manual.
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. A detailed application instruction sheet and BMP
checklists are available from http://portal.ncdenr.orjZ/web/wq/ws/su/statesw/forms does. The complete
application package should be submitted to the appropriate DWQ Office. (The appropriate office may be
found by locating project on the interactive online map at ham://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 http//portal.ncdenr.org/web/wq/ws/so/statesw/forms does.
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
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
ht!p://www.envhelp.org/pages/onestopexpress.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/ managementfor
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 1/2 mile of the site boundary, include the 1/2
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.
1. Details of roads, drainage features, collection systems, and stormwater control measures.
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 ca ., }tif C%
o. Drainage areas delineated (included in the main set of plans, not as a separate ument .
p. Vegetated buffers (where required). 061 5 2013
F.1
Form SWU-101 Version 06Aug2012 Page 4 of 6

9. Copy of any applicable soils report with the associated SHWT elevations (Please identify -3PA�
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"x11" copy of the NRCS County Soils map with the
project area clearly delineated. For projects with infiltration BMI's, 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 DWQ to verifij the SHWT prior
to submittal, [phone].)
10. A copy of the most current property deed. Deed book: Page No:
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 21-1.1003(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.
http://www.secretary.state.iic.us/Corporations/CSearcli.aspx
VIL 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
h!W://portal.ncdenr.org/web/wq/­ws/su/statesw/forms 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 signature(s) 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 DWQ and that they will be recorded prior to the sale of any lot.
V III. 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:
Consulting Firm: —
Mailing Address: —
Phone:
State:
Fax: ( 1
IX.. PROPERTY OWNER AUTHORIZATION (if Can tact Information, item 2 has been filled ont, complete this
section)
I, (print or type none of person listed in Contact Information, items 2a) certify that I
own the property identified in this permit application, and thus give permission to (print or type name of person
listed in Contact Information, itea 1a) with (print or type ❑ante of organization listed in
Contact Information, item 1a) 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.
Font SWU-101 Version 06Aug2012
FCF-V E
OCT 15 2013
Page 5 of 6 ov.

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 DWQ Stormwater permit reverts back to
me, the property owner. As the property owner, it is my responsibility to notify DWQ 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
do hereby certify that
before me this _ day of
County of
personally appeared
and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal,
SEAL
My commission
X. APPLICANT'S CERTIFICATION
I, (print or type mmne (f person listed in Contact Information, item 1a) Louis S. Cot President
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 15 NCX 2H .1000 and any other applicable state stormwater requirement;.
Signature: / W /Date:
I�� ��,,,���1( ,,,, a Norrny''P,,u/Iblic for the S ate o `� l i County of
W�ek1a& do herebv c rtify that personally appeared
before me this 1 day of Wand acknovIed the duefRqcution of the application for
a stormwater fl2rmdtgpitness my hand and official seal,
:a
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SEAL
My commission expires P 0-t-67
Er.9=R E
OCT 15 20'3
Form S WU-101 Version 06Aug2012 Page 6 of 6

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lCasmer, Jo
From:
Casmer, Jo
Sent:
Thursday, October 24, 2013 12:42 PM
To:
'[e-mail]'; [e-mail]
Subject:
Holt Oil Supply Site; Stormwater Permit SW8 131008
The Wilmington Regional Office of the Division of Energy, Mineral, and Land Resources (Stormwater Section)
received the Stormwater Permit Application and $505.00 fee on October 15, 2013. Your project will be assigned to
a staff member and reviewed within 75 days of receipt. You will be notified if additional information is needed.
Please be advised that the construction of built -upon area may not commence until the Stormwater Permit is
issued
Jo Casmer
Administrative Assistant for the Stormwater Section
NC Department of Environment & Natural Resources
Division of Environmental Assistance & Customer Service
127 Cardinal Drive Extension
Wilmington, NC 28405
Phone:[phone]
Fax: [phone]
Email mrresponderue to and from this address may be subject to the North Carolina Pubpc Records Law and may be disdosed to third
parties

. � �
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t;. .

NORMS & TUNSTALL
CONSULTING ENGINEERS P.C.
1127 Floral Parkway
Suite 400
Wilmington, NC 28403
[phone]
[phone] Fax
John S. Tunstall, PE
October 9, 2013
Ms. Jo Casmer
NC DENR
Division of Energy, Mineral and Land Resources
Surface Water Protection
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Re: State Stormwater Permit Submittal
Holt Oil — Supply Site
Brunswick County, NC
N&T Project No. 13059
Dear Ms. Casmer:
1429 Ash -Little River Road
Ash, NC 28420
[phone]
[phone] Fax
J. Phillip Norris, P.E.
Enclosed are two (2) sets of plans for the above referenced project, which include the
drainage area plans, one (1) set of calculations, one (1) copy of the stormwater
narrative, one (1) USGS map, one (1) copy of the soils / infiltration system report, one
(1) copy of the Articles of Organization, the original Division of Water Quality
Stormwater Management Permit application, the original SW-401 Wet Detention Basin
Supplement form, the original Wet Detention Basin Operation and Maintenance
Agreement and a $505.00 check for the permit review fee.
Please review this information for approval and contact us with any questions or
comments you may have. Thank you for your assistance on this project.
Sincerely,
NORRIS 8t TUNSTALL
CONSULTING ENGINEERS, P. .
J. Phillip orris, P.
13059 10-09-13-s-sw-hr
Enclosures
cc: Mr. Louis S. Cox
E1 VVE
OCT 15 2013
NCBELS License C-3641

STORMWATER SYSTEM & EROSION CONTROL NARRATIVE
Holt Oil - Supply Site
Brunswick County, North Carolina
For
Holt Oil Company
1709 Clinton Road
Fayetteville, NC 28312
[phone]
October 2013
Prepared by:
NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C.
1127 Floral Parkway, Suite 400
Wilmington, North Carolina 28403
[phone]
[phone] (Fax)
License # C-3641
N&T Project No. 13059
Ev.FPvCF
OCT 15 i013
BY:

NARRATIVE
DESCRIPTION:
The project site is a 2.02 acre tract located at the intersection of US Highway 17
and Business Highway 17 (Old Ocean Highway). The soils of the site consist of
moderately sandy to loamy soils and grades ranging from 4% to 1%. Approximately 2
acres will be graded to allow construction of a gas station with paved parking and paved
access. The runoff from the site is estimated using the rational method 10-year design
storm and rainfall data for the area. Construction is scheduled to begin as soon as all
permits and approvals are obtained.
The project consists of a gas station with paved parking and access
Approximately 2 acres will be disturbed and 1.13 acres (56%) will be covered by
impervious surfaces.
EROSION CONTROL MEASURES:
The attached plans and specifications outline the requirements for erosion
control measures. Silt fencing will be provided along each side of the entrance drive
where stormwater would be expected to sheet flow from disturbed areas directly to
adjacent property. Gravel check dams will not be provided unless the Contractor has to
temporarily discharge into an open ditch instead of the proposed storm drain outfall.
The detention pond will be used as a silt basin during construction and restored to its
design contours prior to completion. A gravel construction entrance will be constructed
at the southeastern corner of the property at the proposed driveway entrance.
Maintenance will be provided by the grading contractor and developer.
STORMWATER MANAGEMENT MEASURES:
The project site is located in Brunswick County. Land disturbing on the site will
exceed one acre, which requires the site to comply with the State and County
Regulations. The stormwater runoff from the development will be directed to the
stormwater detention pond. The stormwater detention pond was designed to
accommodate this site at 56% impervious area lot coverage.
CONSTRUCTION SEQUENCE:
The Contractor will install the gravel construction entrance and silt fence prior to
beginning any clearing and grading operations. Additional silt fence will be installed
when and if conditions warrant during construction. The detention pond will be
constructed immediately after that portion of the site is cleared, and outlet structure with
protection will be installed. Disturbed areas will be landscaped or seeded upon
completion.

EROSION CONTROL NOTES AND MAINTENANCE PLAN
1. All erosion and sediment control measures will be checked for stability and
operation following every runoff -producing rainfall, but in no case, less than once
every week and within 24 hours of every half -inch rainfall.
2. All points of egress will have construction entrances that will be periodically top -
dressed with an additional 2 inches of #4 stone to maintain proper depth. They
will be maintained in a condition to prevent mud or sediment from leaving the
site. Immediately remove objectionable material spilled washed or tracked onto
the construction entrance or roadways.
3. Sediment will be removed from hardware cloth and gravel inlet protection, block
and gravel inlet protection, rock doughnut inlet protection and rock pipe inlet
protection when the designed storage capacity has been half filled with sediment.
Rock will be cleaned or replaced when the sediment pool no longer drains as
designed. Debris will be removed from the rock and hardware cloth to allow
proper drainage. Silt sacks will be emptied once a week and after every rain
event. Sediment will be removed from around beaver dams, dandy sacks and
socks once a week and after every rain event.
4. Diversion ditches will be cleaned out immediately to remove sediment or
obstructions from the flow area. The diversion ridges will also be repaired.
Swales must be temporarily stabilized within 21 calendar days of cease of any
phase of activity associated with a swale.
5. Sediment will be removed from behind the sediment fence when it becomes half
filled. The sediment fence will be repaired as necessary to maintain a barrier.
Stakes must be steel. Stake spacing will be 6 feet max. with the use of extra
strength fabric, without wire backing. Stake spacing will be 8 feet max. when
standard strength fabric and wire backing are used. If rock filters are designed at
low points in the sediment fence, the rock will be repaired or replaced if it
becomes half -full of sediment, no longer drains as designed or is damaged.
6. Sediment will be removed from sediment traps when the designed storage
capacity has been half filled with sediment. The rock will be cleaned or replaced
when the sediment pool no longer drains or when the rock is dislodged. Baffles
will be repaired or replaced if they collapse, tear, decompose or become
ineffective. They will be replaced promptly. Sediment will be removed when
deposits reach half the height of the 1st baffle. Floating skimmers will be
inspected and kept clean weekly.
Land Quality Requires:
7. All seeded areas will be fertilized, reseeded as necessary and mulched
according to specifications in the vegetative plan to maintain a vigorous, dense
vegetative cover. All slopes will be stabilized within 21 calendar days. All other
areas will be stabilized within 15 working days.

Water Quality Requires:
8. All seeded areas will be fertilized, reseeded as necessary and mulched
according to specifications in the vegetative plan to maintain a vigorous, dense
vegetative cover. All perimeter dikes, swales, ditches, perimeter slopes, all
slopes steeper than 3' horizontal to 1' vertical (3:1) and all high quality water
(HQW) zones shall be provided temporary or permanent stabilization with ground
cover as soon as practicable but in any event within seven (7) calendar days
from the last land -disturbing activity. All other disturbed areas shall be provided
temporary or permanent stabilization with ground cover as soon as practicable
but in any event within fourteen (14) calendar days from the last land -disturbing
activity.
9. Flocculants will be used to address turbidity issues. The pumps, tanks, hoses
and inject systems will be checked for problems or turbid discharges daily.
10. Refer to new NPDES rules regarding basin outlet structures and skimmers shall
withdraw water from the surface.

SECTION 02920
SOIL EROSION AND SEDIMENTATION CONTROL
1. GENERAL
1.1 Contractor shall take every reasonable precaution throughout construction to
prevent the erosion of soil and the sedimentation of streams, lakes, reservoirs,
other water impoundments, ground surfaces, or other property as required by State
and Local regulations.
1.2 The Contractor shall install all required silt fences, and construction entrances at
the initiation of work, and have these measures reviewed and approved by the local
permit authority prior to clearing and grading operations.
1.3 The Contractor shall, within 21 days of suspension or completion of land disturbing
activities, provide permanent protective covering for disturbed areas. Temporary
and permanent erosion control measures shall be coordinated to assure
economical, effective, and continuous erosion and siltation control throughout the
construction and post -construction period. Use the specked seed for both
temporary and permanent seeding.
2. PRODUCTS
2.1 Asphalt for anchoring mulch shall be Type SS-1 Emulsion.
2.2 Fertilizer shall be 10-10-10 grade or equivalent.
2.3 Lime shall be dolomitic agricultural ground limestone containing not less than 10
percent magnesium oxide.
2.4 Mulch shall be small grain straw, hay, wood chips, asphalt emulsion, jute or other
suitable material free of undesirable weed seed.
2.5 Phosphate shall be 20 percent superphosphate or equivalent.
2.6 Seed shall be 20% carpet grass, 24% Bermuda, 20% turf Fescue, 10% Creeping
Red Fescue, and 24% Annual Rye grain. Bermuda seed shall be hulled for warm
weather planting and unhulled for cool weather planting. Purity of seed shall be a
minimum of 98 percent and germination shall be a minimum of 85 percent.
2.7 Silt fence shall consist of NCDOT Class A fabric supported by metal posts spaced
not more than 6 feet on center. The bottom of the fabric shall be buried a minimum
of 6 inches.
2.8 Gravel for check dams shall be #57 washed stone.
2.9 Aggregate for construction entrance shall be #4 washed stone.

2.10 Stone rip rap for check dams and erosion control shall be NCDOT Class A or B as
shown.
3. EXECUTION
3.1 General: Take every practicable measure during construction or suspension to
work to minimize erosion and siltation. Measures should include good construction
practices, temporary physical barriers to sediment travel, settling basins for new
ditches, and establishment of vegetative cover.
3.2 Construction Practices
3.2.1 Avoid dumping soil or sediment into any wetland or watercourse.
3.2.2 Maintain an undisturbed vegetative buffer where possible between a natural
watercourse and trenching and grading operations.
3.2.3 Avoid equipment crossings of streams, creeks, and ditches where practicable.
3.2.4 Grade all cut, fill and ditch slopes to minimum slope of 3:1, unless otherwise shown
or directed.
3.3 Temporary Physical Barriers are required where sedimentation on offsite property
or excessive erosion is a problem.
3.3.1 Mulch shall be used for temporary stabilization of areas subject to excessive
erosion and for protection of seedbeds after planting where required.
Apply grain straw and hay at a rate of 75 to 100 pounds per 1,000 square feet
and wood chips at a rate of 500 pounds per 1,000 square feet. Jute and mesh
should be installed as per manufacturer's instructions.
2. Asphalt emulsion for slope stabilization should be applied at a rate of 1,000
gallons per acre. Asphalt emulsion used for anchoring straw should be applied
at a rate of 150 gallons per ton of straw.
3.3.2 Silt Fences shall be used at the base of slopes to restrict movement of sediment
from the site. Clean silt fence of accumulated sediment after each rainfall event
or when it exceeds a depth of 0.5 feet above natural grade.
3.3.3 Stone Check Dams, placed at the discharges of creeks, ditches, and swales, shall
consist of Class A or Class B erosion control stone at minimum two feet high and
three feet thick across the watercourse, with a one foot thick layer of gravel on
upstream side. Remove sediment if accumulated to a depth of 1.0 feet at upstream
face.
3.4 Vegetative Cover: Establish and maintain permanent vegetative cover on all
unpaved areas disturbed by the work.

3.4.1 Preparation of Seedbed: Areas to be seeded shall be scarified to a depth of 4
inches and until a firm, well pulverized, uniform seedbed is prepared. Lime,
phosphorous and fertilizer shall be applied during the scarification process in
accordance with the following rates:
Lime: 45 pounds per 1000 square feet
Phosphorous: 20 pounds per 1,000 square feet
Fertilizer: 17 pounds per 1000 square feet
3.4.2 Seeding: Disturbed areas shall be seeded with 2 to 3 pounds per 1000 square feet
of the specified seed mixture. Seed shall be worked into the bed to a depth of 1/4
inch. Regrade and seed eroded areas immediately
3.4.3 Mulch all areas immediately after seeding. Mulch shall be applied and anchored as
specified hereinbefore. Reapply as necessary to retain cover until grass is
established.
3.5 Construction Entrance: Provide an aggregate drive, 20 feet wide by 50 feet long by
6 inches thick at each entrance to the site used by construction vehicles, until such
time as the permanent roadway is constructed. Remove soil if accumulated to a
depth greater than 0.5 inches.
3.6 Maintenance: The Owner and Contractor shall be responsible for maintaining all
temporary and permanent erosion control measures. Temporary structures shall
be maintained until such time as vegetation is firmly established in the area
protected by the structure. Permanent streambank protection and grassed areas
shall be maintained until completion of the project. Areas that fail to show a
suitable stand of grass or which are damaged by erosion shall be immediately
repaired.
END OF SECTION

FIL
�U W",
THAD
SECRETARY
ARTICLES OF INCORPORATION
OF
HOLT OIL COMPANY, INC.
This is to certify that we, the undersigned, do hereby
associate ourselves In•s corporation under and by virtue of the law
of the State of North Carolina for suelr'purpose mode and provided
en�' ,asveroily agree to take the number of"a area Of' capll aeel
In waid corporation not opposite our'respoplive names and to that
and- we hereby execute these articles "of 'incorporation In manner and
es followat
1. NAME
The name of''tbe corporation 0i "LT OIL COMPANY,
11 PtR 100 OF OUR AT I ON
The period of duration of the corporation is unlimittld
I11. OBJECTS
The objeabr for which this corpoeation'Is formed are=
A: To'condset a general byeiness of bdlring and selling
all kinds"of 61i.bR gasoline, sad all 6th6r patrofeum products or
by-products, either at wholesale,or retail, and to generally 'deal
in Gasoline, ell, petroleum or any o* its by--producte.
I1. To:.el iate 'cont recta or agreement a.wIth any peas me
firms, or corporstlons, public or private, In this or any'atber state
far the.purpose'.-of supplying transportet.lon by means of motor trucks,
carrioollil or"lStbs, forms or methods of conveyance evolleble or
expedieiit-of any oil; gasoline, petrolown or by=products or say
other products or'erticlsi"of produce or manufacturer of any nature
whatsoever and wberesoevcr'located or'situate frod 'any point to an
point within the territorial confins& of the Onitad States, and to
do and.:perform..oll things set out in said contracts or agreements,
nwd to.traasport by me�na of motor trucks, carriers,'or other f
oer mothods of conveyance available or expedient any oil, gosoliwe.
petroleum or Its.by-jroducts.
OCT 15 2Q13
BY: Lh
MACRAL COOO 0 BURRY. ATWRMOYO. AOM MIRBT CITIl BANK BUILDING. VAYt KVILLO. N. C.

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the corporation either as holders of, or Interested in any
property or otherwise= with all the powers now or hereafter confori
by the laws of North Carolina upon corporations of like character.
IV. CAPITAL STOCK
This corporation shall have an autbaris44 capital stock
of $200,000.00, which shall consist of 2,000 shares of capital
atpok of eta l ,v}lus,of ,1,{10MOO however, th,
shareholders or directors shall have the right to divide such
capital stock into one or more classes, with such designations,
preferences, limitations and relative rights as shall be consistam
with the provisions of the general statutes of North Carolina.
V. MINIMUM PAID IN STOCK
The corporation way commence business when a minimum
consideration of $300.00 for its shares shalt here been received.
:VI. SHAREHOLDERS PRE-EMPTIVE RIGHT TO ACQUIRE SHARES
OF.THE CORPORATION
The obareholders shall not be limited or denied the pro-
emptive=-Fight'to dequiro additional or treasury.oheres of the car-
Poration':`
" VI1. REGISTERED OFFICE AND AGENT
The Iiiitial registe"A'..offiee of'tho corporation is
Clinton Higbway.024. P. O. Box 3144. Fayetta*t`11a'.rCumberland Coon,
North CaPq.l,jpai_th• initial regiotered agent of the corporotion.a*.
this aeidres0 is Milliam [)sR. Holt. The principal office and place
of business:of the corporation in this state Is at this some addrei
but it may have oue or more branch offices or,placee of business
In the.State,of North Caroline sad also out of the State of worth
Carol ins.,
V1.l1. DIRECTORS
The initial Beard of Directors shall consist of thwee
persons. ,Their names and addressow ere -so followers
MIIIIlow, Doll. Holt, 1507 Morganton Road,
Fayetteville, North Carolina
Charles B. Co Holt, 502 Rush Road
Fayetteville, North Carolina
iapos,MacRee, 414 Brook Street
Fayetteville, North Carolina
r
uj
MACRAE. COBS ..KNOT. ATTORNEYS. 404b ,IRET CITIZEN. SANK OUILOINO. FAYETTEVILLE. N. C.

`c
IX. NAMES AND ADDRESSES OF INCORPORATORS
The. names and addresses of the incorporators and the
Initial amount of stock for which they have subscribed are as foil
William DeR.It, 1507 Morganton Road
Fayettev,l Is, North Corollas - 1 share
Cbsolss S. C. Holt, S02 Rash Rood
Ifsyetteville, North Carolina - I share
,�p,
-......._..»_.:� ..I a ayy%O�ght a ortli Ca'F8Y►iaa` - 1 share
1i1 TESTIMONY WHEREOF the said Incorporators have harooa
set their hands and seals this SJ day of �*A+ Ip 1939.
//� - - ���• LA i;4(SEI
NORTH CAROLINA
CUMBERLAND COUNTY v
William+ DeR. molt, Charles a. S. Holt, and James MacRae
each being duly *were, depose sad say that they lure(• read and
41good #.jam foregoing Articles of Incorporatiaft,"d,.h the state -
sent* therein 416i9 true.
Swarm and subscribed to before we
.n i
tb i e' ' day of -u.-Ir , 1959.
Notary b,-
My oeimiaolon sxpirosl/�o
a
M.CKAB. COBB B BZKKY. ATTOKNZYB..048 IIBBT CITIZKNO BANK BUILDING. IAVB RVILI... N. C.

Alp
A4�LMG
LAND MANAGEMENT GROUP INC. July 18, 2013
Environmental Consultants
TO: Phil Norris
Norris & Tunstall Consulting Engineers, P.A.
1429 Ash -Little River Road
Ash, NC 28420 OCr 1013
ev.•
RE: Proposed Stormwater retention basins for the proposed Holt Oil Company proJec
located off of US IiWY 17N and Old Ocean Hwy near Supply, NC.
Mr. Norris,
On Thursday, July 18, 2013, Land Management Group, Inc. had the pleasure of
evaluating the proposed stormwater best management practice (BMP) area for the proposed Holt
Oil Company project site located off of US HWY I7N and Old Ocean Hwy near Supply, NC.
The purpose of the evaluation was to describe the soil profile, quantify the depth to the seasonal
high water table and to inform the project engineer of any potential limitations of this project, at
one preselected location.
The soils at this site are mapped as Lynchburg the Soil Survey of Brunswick County
(USDA, 1986). Actual soil boring 1 confirms the soil to be a moderately well drained Goldsboro
series (see Test Area Map Appendix A and soil profile description in Appendix B). The
Goldsboro soil series can best be described as loamy soils that formed from moderately well
drained marine and fluviomarine material on marine terraces. The official published description
and physical and chemical data for the Goldsboro soil series are shown in Appendix C for
comparison.
The seasonal high water table is normally evident by observation of redoximorphic
features suggesting past conditions of saturation and reduction. There is evidence of
redoximorphic features at 26 inches in boring 1 from the natural soil surface; (see Test Area Map
Appendix A, soil profile descriptions in Appendix B. All recorded depths are from the existing
surface as noted in the soil profile descriptions, Appendix B.
In summary, this site has one area that is proposed for stormwater BMP placement. This
area has soils that have seasonal high water tables from 26 inches from the natural surface. If the
proposed permanent pool elevation is more than 6" below the seasonal high water table elevation,
then additional testing and analysis may be required to determine an adverse affect of adjacent
wetlands, surface waters, and/or buffers where applicable. Please refer to the NC DENR DWQ
February 19, 2009 Memo Article 2 subsections a-d for further guidance. If you have any
questions about this report or need any additional information I may be a -cached at 910452-0001,
910-471-0505 or at nhowell Rimproup.ract.
Sincerely,
Nicholas Howell
NC Licensed Soil Scientist #1294
drfJ � M ...x. cOr-; ti,Af
�lYl19 1. 1 II � 'c✓.Ft iit ,,. ��, ', .
i29'
www.lmgroup.net • info®Imgroup.net • Phone: 910.452.U0131 ­ Fttcf: 910.452.0060
3805 Wrightsville Ave., Suite 15, Wilmington, NC 28403 • P.O. Box 2522, Wilmington, NC 28402

Holt Oil Company
j / ;' Preliminary Stormwater
s S/ SHWT Evaluation
Test Area Map
,r
\.! ' s ;'�i: July 18, 2013
Job# 03-13-157
O-�#
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-: Soil Boring
Land Management Group, Inc.
Environmental Consultants
PO BOX 2522 Drawing provided by project engineer
Wilmington, N.C. 28402 Norris and Tunstall Consulting Engineering P.A.
www.LMGroup.net of a 2013 Survey completed by Alan Lewis P.L.S.
1.866-LMG-1078 with LMG site testing overlay.
(910)-452-0060 fax THIS IS NOT SURVEY.

Boring 1 Micro Ridge 0-1%
A — 0-6" Loamy Sand, granular, very friable non sticky non plastic, 1 OYR 3/1.
E — 6-13" Loamy Sand, granular, very friable non sticky non plastic, 1 OR 5/4.
Btl—13-22" Sandy Clay Loam, subangular blocky, friable slightly sticky slightly plastic,
1 OYR 5/6.
Bt2 — 22-26" Sandy Clay Loam, subangular blocky, friable slightly sticky slightly plastic,
10YR 5/6 with 10YR 5/8 and 10YR 6/3 mottles.
Btg1 — 26-34" Sandy Clay Loam, subangular blocky friable, slightly sticky slightly
plastic, 1 OYR 6/2 with 1 OYR 5/8 and 7.5YR 5/8 mottles.
Btg2 — 34-48"+ Clay Loam, subangular blocky, friable, moderately sticky moderately
plastic, 2.5Y 6/1 with 7.5YR 5/8 and 2.5YR 4/6 mottles.
Physical Water: 46" and rising 7-18-13
SHWT: 26"

Appendix C
Published Description and Chemical and Physical Properties
Of the Goldsboro Soil Series

LOCATION GOLDSBORO NC+AL AR FL GA SC VA
Established Series
CMO/Rev. JAK
11 /2005
GOLDSBORO SERIES
MLRA(s): 133A-Southern Coastal Plain, 153A-Atlantic Coast Flatwoods, 15313-
Tidewater Area
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North
Carolina
Depth Class: Very deep
Drainage Class (Agricultural): Moderately well drained
Flooding Frequency and Duration: None
Ponding Frequency and Duration: None
Internal Free Water Occurrence: Moderately deep, transitory
Index Surface Runoff: Negligible to medium
Permeability: Moderate
Landscape: Lower to upper coastal plain
Landform: Marine terraces, uplands
Hillslope Profile Position: Summit, shoulder
Geomorphic Component: Interfluve, talf
Parent Material: Marine deposits, fluviomarine deposits
Slope: 0 to 10 percent
Elevation (type location): Unknown
Mean Annual Air Temperature (type location): 62 degrees F.
Mean Annual Precipitation (type location): 48 inches
TAXONOMIC CLASS: Fine -loamy, siliceous, subactive, thermic Aquic Paleudults
TYPICAL PEDON: Goldsboro loamy sand --cultivated. (Colors are for moist soil unless
otherwise stated.)
Ap--O to 8 inches; grayish brown (1 OYR 5/2) loamy sand; weak medium granular
structure; very friable; many fine roots; moderately acid; clear smooth boundary. (5 to 10
inches thick)
E--8 to 12 inches; pale brown (1 OYR 6/3) loamy sand; weak medium granular structure;
very friable, many fine roots; moderately acid; clear smooth boundary. (0 to 10 inches
thick)
BE--12 to 15 inches; brownish yellow (I OYR 6/6) sandy loam; weak fine subangular
blocky structure; friable, slightly sticky; many fine roots; strongly acid; clear smooth
boundary. (0 to 12 inches thick)

Bt1--15 to 25 inches; yellowish brown (I OYR 5/6) sandy clay loam; weak fine
subangular blocky structure; friable, slightly sticky, slightly plastic; common fine roots;
many clay bridging between sand grains; few faint clay films on faces of peds; very
strongly acid; gradual wavy boundary.
Bt2--25 to 45 inches; pale brown (I OYR 6/3) sandy clay loam; weak fine subangular
blocky structure; friable, slightly sticky, slightly plastic; few fine roots; many clay
bridging between sand grains; few faint clay films on faces of peds; common medium
distinct gray (I OYR 5/1) iron depletions and yellowish brown (I OYR 5/6) masses of
oxidized iron; very strongly acid; gradual wavy boundary. (Combined thickness of the Bt
horizon is 12 to 72 inches.)
Btg-45 to 65 inches; gray (10YR 6/1) sandy clay loam; weak fine subangular blocky
structure; friable, slightly sticky, slightly plastic; many clay bridging between sand
grains; few faint clay films on faces of peds; common medium prominent red (2.5YR
5/6) and common medium distinct brownish yellow (1 OYR 6/6) masses of oxidized iron;
very strongly acid; gradual irregular boundary. (0 to 45 inches thick)
BCg--65 to 76 inches; gray (1 OYR 6/1) sandy loam and strata of sandy clay loam; weak
fine subangular blocky structure; triable, slightly sticky, slightly plastic; common clay
bridging between sand grains; common medium distinct brownish yellow (1 OYR 6/6)
masses of oxidized iron and common medium faint gray (10YR 5/1) iron depletions; very
strongly acid.
TYPE LOCATION: Wayne County, North Carolina; 5 miles northeast of Goldsboro,
0.4 mile north of Stoney Creek Church and 0.3 mile west of intersection of SR 1523 and
1545.
RANGE IN CHARACTERISTICS:
Depth to top of the Argillic horizon: 5 to 19 inches
Depth to the base of the Argillic horizon: 60 to more than 80 inches
Depth to Bedrock: Greater than 80 inches
Depth to Seasonal l ligh Water Table: 18 to 30 inches, December to April
Rock Fragment Content: 0 to 50 percent, by volume throughout, mostly quartz pebbles
Soil Reaction: Extremely acid to strongly acid, except where limed
Other soil features: Silt content in the particle -size control section is less than 30 percent.
Ap horizon or A horizon (where present):
Color --hue of 1 OYR or 2.5 Y, value of 2 to 6, chroma of 1 to 4
Texture --loamy sand, loamy fine sand, sandy loam, or fine sandy loam
E horizon:
Color --hue of 10YR or 2.5Y, value of 5 to 7, chroma of 2 to 6
Texture --loamy sand, loamy fine sand, sandy loam, and fine sandy loam

BE horizon:
Color --hue of I OYR or 2.5Y, value of 5 to 7, chroma of 3 to 6
Texture --sandy loam, and fine sandy loam
Bt horizon (upper):
Color --hue of 7.5YR to 2.5Y, value of 4 to 7, and chroma of 3 to 8
Texture (fine -earth fraction) --sandy clay loam, sandy loam, loam, or clay loam
Bt horizon (lower):
Color --hue of 1 OYR or 2.5Y, value of 4 to 7, chroma of 3 to 8
Texture --sandy clay loam, sandy loam, loam, or clay loam. Some pedons have
subhorizons of sandy clay or clay.
Redoximorphic features --masses of oxidized iron in shade of red, yellow, or brown, and
iron depletions in shades of brown, yellow, olive, or gray. Iron depletions are within 30
inches of the soil surface.
Btg horizon:
Color --hue of 10YR or 2.5Y, value of 4 to 7, chroma of 1 or 2
Texture --sandy clay loam, sandy loam, loam, or clay loam. Some pcdons have
subhorizons of sandy clay or clay.
Redoximorphic features --masses of oxidized iron in shade of red, yellow, or brown, and
iron depletions in shades of brown, yellow, olive, or gray
BCg horizon:
Color --hue of 1 OYR or 2.5Y, value of 4 to 7, chroma of 1 or 2
Texture --sandy loam, fine sandy loam, sandy clay loam, or loam
Redoximorphic features --masses of oxidized iron in shade of red, yellow, or brown, and
iron depletions in shades of brown, yellow, olive, or gray
BC horizon (if it occurs):
Color --hue of 1 OYR or 2.5Y, value of 5 to 7, and chroma of 3 to 5
Texture --sandy loam, fine sandy loam, sandy clay loam, or loam
Redoximorphic features --masses of oxidized iron in shade of red, yellow, or brown, and
iron depletions in shades of brown, yellow, olive, or gray
Cg horizon (if it occurs):
Color --hue of I OYR to 5Y, value of 5 to 7, chroma of I or 2 or is neutral with value of 4
to 8
Texture --sandy, loamy, or clayey and may be stratified
Redoximorphic features --masses of oxidized iron in shade of red, yellow, or brown, and
iron depletions in shades of brown, yellow, olive, or gray
COMPETING SERIES:
There are no known series in the same family. Series in the closely related semiactive
family include:
Izagoru soils --have more than 30 percent silt in particle -size control section

Kullit soils --have Bt horizons in hue of 5YR or redder
Quitman soils --are brittle and compact in about 10 to 20 percent of the Bt and lower Bt
horizons
Wrightsboro soils --have clayey 213 or 2C horizons between 40 and 80 inches below the
soil surface
GEOGRAPHIC SETTING:
Landscape: Lower to upper coastal plain
Landform: Marine terraces, uplands
Hillslope Profile Position: Summit, shoulder
Geomorphic Component: Interfluve, talf
Parent Material: Marine deposits, fluviomarine deposits
Elevation: 30 to 450 feet
Mean Annual Air Temperature: 59 to 70 degrees F.
Mean Annual Precipitation: 38 to 52 inches
Frost Free Period: 190 to 245 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Bonneau soils --are well drained, on slightly higher positions
DERU soils --have more clay and have moderately slow permeability, on similar
positions
Exum soils --are in a fine -silty family and have moderately slow permeability, on similar
positions
Foreston soils --arc well drained and have moderately rapid permeability, on similar
positions
Lynchbure soils --are somewhat poorly drained, on concave to linear positions lower on
the landform
Noboco soils --are well drained, on slightly higher positions
Norfolk soils --are well drained, on slightly higher positions
Ocilla soils --arc somewhat poorly drained, on similar positions
Orangeburg soils --are well drained, on slightly higher positions
Panteeo soils --are very poorly drained, on concave to linear positions lower on the
landform
Rains soils --are poorly drained, on concave to linear positions lower on the landform
Wagram soils --are well drained, on slightly higher positions
DRAINAGE AND PERMEABILITY:
Drainage Class (Agricultural): Moderately well drained
Internal Free Water Occurrence: Moderately deep, transitory
Flooding Frequency and Duration: None
Pending Frequency and Duration: None
Index Surface Runoff: Negligible to medium
Permeability: Moderate
USE AND VEGETATION:
Major Uses: Cropland

Dominant Vegetation: Where cultivated --corn, peanuts, tobacco, soybeans, small grain,
cotton, and pasture. Where wooded--loblolly pine, longleaf pine, slash pine, sweetgum,
southern red oak, white oak, water oak, and red maple, yellow poplar. Understory plants
include American holly, blueberry, flowering dogwood, greenbrier, persimmon, redbay,
southern bayberry (waxmyrtle), inkberry (bitter gallberry), honeysuckle, poison ivy, and
summersweet clethra.
DISTRIBUTION AND EXTENT:
Distribution: Alabama, Arkansas, Florida, Georgia, Mississippi, North Carolina, South
Carolina, and Virginia
Extent: Large
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh,
North Carolina
SERIES ESTABLISHED: Duplin County, North Carolina, 1955.
REMARKS: Diagnostic horizons and soil properties recognized in this pedon are:
Ochric epipedon--the zone from the soil surface to a depth of 12 inches (the Ap and E
horizons).
Argillic horizon --the zone between depths of 15 to 76 inches (the BE, Btl, Bt2, Btg and
BCg horizons).
Aquic feature--Redoximorphic features with value of 4 or more and chroma of 2 or less
between within a depth of 30 inches (Bt2 horizon)
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
NCO041 GOLDSBORO 0-10 57-70 190-245 38-52 30-450
SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness
NCO041 NONE 1.5-2.5 APPARENT DEC -APR >80 -
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC-
NCO041 0-15 SL FSL 0-0 95-100 5-15 1-4
NCO041 0-15 LS LFS 0-0 95-100 2-8 1-3

NC0041 15-45 SCL SL 0-0 95-100 18-30 2-4
NC0041 45-65 SCL CL SC 0-0 90-100 20-34 2-4
NC0041 65-76 VAR
SOI-5 Depth
-pH-
O.M. Salin
Penneab
Shnk-Swll
NC0041
0-15
3.5- 6.0
0.5-2.0
0-0
2.0-6.0
LOW
NC0041
0-15
3.5- 5.5
0.5-2.0
0-0
6.0-20
LOW
NC0041
15-45
3.5- 5.5
0.0-0.5
0-0
0.6-2.0
LOW
NC0041
45-65
3.5- 5.5
0.0-0.5
0-0
0.6-2.0
LOW
NC0041
65-76
National Cooperative Soil Survey
U.S.A.

Date Design Norris & Tunstall Wilmington, NC
701'
t
g17411S j" Consulting Engineers, P.C. Brunswick County, NC
Check Job For Job No.
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NORRIS, KUSKE TUNSTALL
CONSULTING ENGINEERS. INC.
9/2312013
WET DETENTION BASIN CALCULATIONS
Project Name:— Holt Oil _ N&T No:
�13068
Contact Person' J. Phillip Noma, P.E. Phone: 910 — 53
For projects with multiple basins, specify which basin this worksheet applies to: DA # : I1 I
Description
Qty Units Notes:
1-year,24-hour rain event, DI w
3.67
inches
TSS Removal Rate
90.00
%
Drainage Area, DA =
2.02
ac
Pre-existing Impervious Area =
0.00
ac
Pre-existing Overall % Impervious, Ipre =
0.00
%
Proposed Impervious Area =
1.13
ac
Post Development Pervious Area =
0.89
ac
Post Development Overall % Impervious, It =
55.88
%
Storage Volume Required (Simple Method):
Within 0.5 mile & drain to SA waters?
Design Rainfall Depth, DI,s. =
Design Rainfall Depth, DIYR =
Pre-Devolpoment Runoff Volume factor, Rv. _
Post Devolpoment Runoff Volume factor, Rvpo,t =
1.5' Post-Dev Runoff Volume, V I, ros1=
1 Yr Pre-Dev Runoff Volume, V IYr a =
1 Yr Post-Dev Runoff Volume, V IYr po,I=
Required Storage Volume =
T Elevation
al -Permanent Pool Elevation
al -Permanent Pool surface area
Temporary Pool Elevation
Temporary Pool Surface Area
led Storage Volume =
value - pre -development
value - impervious surface
1.50
3.67
0.05
0.55
6,080.37
1,345.35
14,876.64
1 43.00 1
Peak Flow Calculations
value post -developed
= Time of Concentration
apth @ Tc & 1-yr = d
tensity Peak, 1 YR= 1
v-development runoff rate (rational method)
3st-development runoff rate (rational method)
0.62
1.80
0.73
2.25
USE FIRST 1.51NCH
Rv. = 0.05 + 0.0091M
Rv,I = 0.05 + 0.009*1p ,
V 1.4 Pot, =3630'DIs'RvpowDA
V 1,M = 3630-DI Y; Rvm DA
\/ 1 Yriv,=3630-DI Y, Rv., DA
Post Dev. Q 1.5 inch Rainfall Depth
[CX
OKI Provided V > Required V
Q, Cp,e x I x DA
Qp.I=Cpp,I x I x DA
H:\PROJECTS\2013\13059 HOLT OIL\13059 CALCS\DWO Wet Detention Basin - 9.23-13

NORRIS, KUSKE TUNSTALL 9242013
CONSULTING ENGINEERS. INC.
ibined (Above Normal Pool)
nal-Permanent Pool
of Vegetated Shelf
porary Pool -Required State Storage
of Pond
Pond Volume (Excluding Forebay)
Pond Bottom (Volume Ignored)
nent Removal
m of Vag Shelf
al Pool
y Volume (Excluding Main Pond)
r Bottom (Volume Ignored)
nt Removal
Pool
Elevation msl
Area Sfl
Increm. V c Accum. V c
43.00
6,034.00
43.50
8,082.00
3,529.00
3,529.00
43.86
8,678.00
2,915.50
6,444.50
45.00
10,206.00
10,800.80
1 17,245.30
Elevation msl
Area (sq
I Increm. V Accum. V
35.00
641.00
37.00
42.50
3,302.00
10,843.25
10,843.25
43.00
4,978.001
2.070.00
1 12,913.25
Elevation msl
Areas Increm. V c Accum. V
37.00
136.00
38.001
43.00
1 1,056.00
2,977.50 2,977.50
Premanent Pool Volume = Main + Forebay 15,890.75 cf
Total Pond Volume = Top to Normal + Main to 33,136.05 cf
Sediment Removal + Forebay to Sediment Removal
Percent Forebay Volume: (18 - 22% Required) F 18.7% O
Average Depth & Required Surface Area
Permanent Pool Area 6,034.00 sf
Permanent Volume 15.890.75 cf
Average Depth 2.63 ft
Rounded Avg Depth = 3.00 ft
SA/DA 4 from "Green Sheet' of Interpolated values for Coastal Region
SA/DA at specified % impervious & 8.44 ft 90% TSS removal, NO VFS Req.
rounded average depth=
Required Surface Area = 5,665.85]at
Provided Surface Area = 6,034.00 st OKI
Drawdown Calculations
Drawdown Orifice:
Avg. Head = 1/3 of Flood Pool Elev
Cc = Coefficient of Discharge
Drawdown Time =
Internal Diameter
Drawdown Time =
Internal Diameter
Avg Intemal Diameter =
Design Orifice Diameter =
Design Drawdown rate
Desi nDrawdown time
ft
days
s
it
in
days
s
ft
in
in
in OKI
ft
CIS
days
0.28
0.60
2.00
172,800
0.13
1.59
5.00
432,000
0.08
00
1.29
1.66
0,01
0.03
2.29
H:\PROJECTS12013113059 HOLT 01013059 CALCStDWO Wet Detention Basin - 9-23-13

Brunswick County NC GIS
September 23, 2013
1 = 100 Feet
N
WE
VVVS
Dw.—,.Wpb p•�mrnb. pJ �cwnq Untl punnu6 ip•brod Iq�lpwunnr �G ��mb nv p•�upb[u\ep ry rYb mrtA,eptlo�lrvmY.or for [onrp v�nlulbn

NEW HANOVER COUNTYSTORM WATER DESIGN MANUAL
SECTION 40 -RUNOFF DETERMINATIov PRnrr,nrn?ry
TABLE 40-4
HYDRAULIC SOILS GROUPS IN NEW HANOVER COUNTY
Map Soil Hydrologic
Symbol Group Soil Type
r-a1
E
ay90
Be
A
Baymeade
Bh
*
Baymeade-Urban Land Complex
Bp
*
Borrow Pit
Cr
C
Craven
DO
D
Dorovan
JO
D
Johnston
Ke
A
Kenansville
Kr
A
Kureb
Ku
*
Kureb-Urban Land Complex
La
A
Lakeland
Le
B/D
Leon
Lo
*
Leon -Urban Land Complex
Ls
C
Lynchburg
E/D]
1>&l,Haven
Mp
*
Mine Pits
Mu
A/D
Murville
Nh
A
Newhan
No
B
Norfolk
On
B
Onslow
Pro
D
Pamlico
Pn
B/D
Pantego
Ra
B/D
Rains
Rm
A
Rimini
Se
A/D
Seagate
Sh
*
Seagate -Urban Land Complex
St
C
Stallings
TM
*
Tidal Marsh
To
C
Torhunta
Ur
*
Urban Land
Wa
A
Wakulla
Wo
B/D
Woodington
Wr
C
Wrightsboro
* Requires Field Judgement by Designer, Subject to Concurrence of County Engineer A/D Refers
to drained/undrained.
Source: Urban Hydrology for Small Watersheds, USDA-SCS, 210-V 1-TR-55, Second Ed., June 1986
ADOPTED SEPTEMBER S, 2000 PAGE 40-7

iR
2S
Pre -Development
Post Development
�7
Wet Pond
Sub4 Reach Z 4on Ink

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post Type/1/ 24-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
HydroCAD® 7.10 s/n 000479 © 2005 HydroCAD Software Solutions LLC 9/24/2013
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Pre -Development
Runoff Area=87,979 sf Runoff Depth>1.58"
Tc=5.0 min CN=77 Runoff=3.71 cfs 0.266 of
Subcatchment 2S: Post Development Runoff Area=87,979 sf Runoff Depth>2.63"
Tc=5.0 min CN=90 Runoff=6.16 cfs 0.443 of
Pond 1P: Wet Pond Peak Elev=44.01' Storage=7,834 cf Inflow=6.16 cfs 0.443 of
Primary=3.41 cfs 0.295 of Secondary=0.00 cfs 0.000 of Outflow=3.41 cfs 0.295 of

HAPROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post Type 111 24-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
HydroCAD® 7.10 s/n 000479 © 2005 HydroCAD Software Solutions LLC 9/23/2.013
Subcatchment 1S: Pre -Development
Runoff = 3.71 cfs @ 12.08 hrs, Volume= 0.266 af, Depth> 1.58"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Type III 24-hr 1 YR Rainfall=3.70"
Area (sq CN Description _
87,979 77 Woods, Good, HSG D
Tc Length
Capacity Description
5.0 Direct Entry,
Subcatchment 1S: Pre -Development
Hydrograph
Type III 24-hr 1 YR
Rainfall=3.70"
Runoff Area=87,979 sf
Runoff Volume=0.266 of
Runoff Depth>1.58"
Tc=5.0 min
CN=77
........................... -.,,._-_r- n
A A 1n 11 19 11 14 15 111 17 to 1G 9n 91 99 93 9�
Time (hours)

H:\PROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post Type Ill 24-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
HydroCAD® 7.10 s/n 000479 © 2005 HydroCAD Software Solutions LLC 9/23/2.013
Subcatchment 2S: Post Development
Runoff = 6.16 cfs @ 12.07 hrs, Volume= 0.443 af, Depth> 2.63"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Type III 24-hr 1 YR Rainfall=3.70"
Area (sf) CN Descriotion
39,160 98 Paved parking & roofs
10,000 98 FUTURE IMP
38,819 80 >75% Grass cover, Good, HSG D _
87,979 90 Weighted Average
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
5.0 Direct Entry,
Subcatchment 2S: Post Development
Hydrograph
Runoff
Type III 24-hr 1 YR
Rainfall=3.70"
Runoff Area=87,979 sf
Runoff Volume=0.443 of
Runoff Depth>2.63"
Tc=5.0 min
CN=90
13 14 15 10 17 19 19 20 21 22 23 2
Time (hours)

H:IPROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post
Prepared by Norris & Tunstall Consulting Engineers
HvdroCAD® 7.10 sln 000479 © 2005 HvdroCAD Software
Pond 1 P: Wet Pond
Inflow Area = 2.020 ac, Inflow Depth > 2.63" for 1 YR event
Type III 24-hr 1 YR Rainfall=3.70"
Inflow =
6.16 cfs @
12.07 hrs,
Volume=
0.443 of
Outflow =
3.41 cfs @
12.21 hrs,
Volume=
0.295 af, Atten= 45%, Lag= 8.1 min
Primary =
3.41 cfs @
12.21 hrs,
Volume=
0.295 of
Secondary =
0.00 cfs @
0.00 hrs,
Volume=
0.000 of
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 44.01' @ 12.21 hrs Surf.Area= 8,804 sf Storage= 7,834 cf
Flood Elev= 46.00' Surf.Area= 10,206 sf Storage= 17,245 cf
Plug -Flow detention time= 170.2 min calculated for 0.295 of (67% of inflow)
Center -of -Mass det. time= 73.5 min ( 873.6 - 800.1 )
Volume Invert
Avail.Storage Storage Description _
#1 43.00'
17,245 of Storage Above Normal Pool (Prismatic) Listed below (Recalc)
Elevation Surf.Area
Inc.Store Cum.Store
(feet)
(sq-ft)
(cubic -feet) (cubic -feet)
43.00
6,034
0 0
43.50
8,082
3,529 3,529
43.85
8,578
2,916 6,445
45.00
10,206
10,801 17,245
Device Routing
Invert
Outlet Devices _
#1 Primary
42.00'
15.0" x 85.0' long Outlet Culvert
RCP, square edge headwall, Ke= 0.500
Outlet Invert= 40.00' S= 0.0235 T Cc= 0.900
n= 0.011 Concrete pipe, straight & clean
#2 Device 1
43.00'
1.5" Vert. NCDENR Orifice C= 0.600
#3 Device 1
43.85'
4.00' x 4.00' Horiz. Top of Box Limited to weir flow C= 0.600
#4 Secondary
44.50'
20.0' long x 20.0' breadth Emergency Spillway
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Primary OutFlow Max=3.36 cfs @ 12.21 hrs HW=44.01' (Free Discharge)
1-1=Outlet Culvert (Passes 3.36 cfs of 6.95 cfs potential flow)
N=NCDENR Orifice (Orifice Controls 0.06 cfs @ 4.7 fps)
=Top of Box (Weir Controls 3.31 cfs @ 1.3 fps)
eco Emergency Spillway ( Controls0.00 hrs HW=43.00' (Free Discharge)
s 0.00 cfs)

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post Type 111 24-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
HvdroCADO 7.10 s/n 000479 © 2005 HvdroCAD Software Solutions LLC 9/24/2013
Pond 1P: Wet Pond
Hydrograph
—Inflow
outfi w
Primary
Secondary
Time (hours)

H:\PROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post Type 11124-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
Hydrograph for Pond 1 P: Wet Pond
Time
lours)
Inflow
(cfs)
Storage
(cubic -feet)
Elevation
(feet)
Outflow
(cfs)
Primary
(cfs)
Secondary
(cfs)
0.00
0.00
0
43.00
0.00
0.00
0.00
0.50
0.00
0
43.00
0.00
0.00
0.00
1.00
0.00
0
43.00
0.00
0.00
0.00
1.50
0.00
0
43.00
0.00
0.00
0.00
2.00
0.00
0
43.00
0.00
0.00
0.00
2.50
0.00
0
43.00
0.00
0.00
0.00
3.00
0.00
0
43.00
0.00
0.00
0.00
3.50
0.00
0
43.00
0.00
0.00
0.00
4.00
0.00
0
43.00
0.00
0.00
0.00
4.50
0.00
0
43.00
0.00
0.00
0.00
5.00
0.00
0
43.00
0.00
0.00
0.00
5.50
0.00
1
43.00
0.00
0.00
0.00
6.00
0.01
10
43.00
0.00
0.00
0.00
6.50
0.02
31
43.01
0.00
0.00
0.00
7.00
0.03
68
43.01
0.00
0.00
0.00
7.50
0.04
124
43.02
0.00
0.00
0.00
8.00
0.05
204
43.03
0.00
0.00
0.00
8.50
0.08
313
43.05
0.00
0.00
0.00
9.00
0.11
467
43.08
0.01
0.01
0.00
9.50
0.14
672
43.11
0.01
0.01
0.00
10.00
0.18
936
43.15
0.02
0.02
0.00
10.50
0.25
1,285
43.20
0.02
0.02
0.00
11.00
0.33
1,761
43.27
0.03
0.03
0.00
11.50
0.57
2,495
43.37
0.03
0.03
0.00
12.00
4.17
6,370
43.72
0.05
0.05
0.00
12.50
1.26
7,333
43.95
1.79
1.79
0.00
13.00
0.55
6,874
43.90
0.64
0.64
0.00
13.50
0.43
6,772
43.89
0.46
0.46
0.00
14.00
0.35
6,721
43.88
0.38
0.38
0.00
14.50
0.31
6,687
43.88
0.32
0.32
0.00
15.00
0.27
6,663
43.88
0.28
0.28
0.00
15.50
0.23
6,640
43.87
0.24
0.24
0.00
16.00
0.19
6,616
43.87
0.20
0.20
0.00
16.50
0.17
6,592
43.87
0.18
0.18
0.00
17,00
0.15
6,571
43.86
0.16
0.16
0.00
17.50
0.13
6,550
43.86
0.14
0.14
0.00
18.00
0.12
6,530
43.86
0.13
0.13
0.00
18.50
0.11
6,515
43.86
0.11
0.11
0.00
19.00
0.10
6,507
43.86
0.11
0.11
0.00
19.50
0.10
6,501
43.86
0.10
0.10
0.00
20.00
0.09
6,495
43.86
0.10
0.10
0.00
20.50
0.09
6,489
43.86
0.09
0.09
0.00
21.00
0.08
6,485
43.85
0.09
0.09
0,00
21.50
0.08
6,480
43.85
0.08
0.08
0.00
22.00
0.08
6,475
43.85
0.08
0.08
0.00
22.50
0.07
6,471
43.85
0.08
0.08
0.00
23.00
0.07
6,466
43.85
0.07
0.07
0.00
23.50
0.06
6,462
43.85
0.07
0.07
0.00
24.00
0.06
6,457
43.85
0.06
0.06
0.00

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post Type 11124-hr 1 YR Rainfall=3.70"
Prepared by Norris & Tunstall Consulting Engineers
HydroCADO 7.10 s/n 000479 © 2005 HydroCAD Software Solutions LLC 9/24/2.013
Stage -Area -Storage for Pond 1 P: Wet Pond
Elevation
Surface
Storage
(feet)
(sq-ft)
(cubic -feet)
43.00
6,034
0
43.05
6.239
307
43.10
6,444
624
43.15
6,648
951
43.20
6,853
1,289
43.25
7,058
1,637
43.30
7,263
1,995
43.35
7,468
2,363
43.40
7,672
2,741
43.45
7,877
3,130
43.50
8,082
3,529
43.55
8,153
3,935
43.60
8,224
4,344
43.65
8,295
4,757
43.70
8,365
5,174
43.75
8,436
5,594
43.80
8,507
6,017
43.85
8,578
6,445
43.90
8,649
6,875
43.95
8,720
7,309
44.00
8,790
7,747
44.05
8,861
8,188
44.10
8,932
8,633
44.15
9,003
9,082
44.20
9,073
9,534
44.25
9,144
9,989
44.30
9,215
10,448
44.35
9,286
10,910
44.40
9,357
11,377
44.45
9,427
11,846
44.50
9,498
12,319
44.55
9,569
12,796
44.60
9,640
13,276
44.65
9,711
13,760
44.70
9,781
14,247
44.75
9,852
14,738
44.80
9,923
15,232
44.85
9,994
15,730
44.90
10,064
16,232
44.95
10,135
16,737
45.00
10,206
17,245
45.05
10,206
17,245
45.10
10,206
17,245
45.15
10,206
17,245
45.20
10,206
17,245
45.25
10,206
17,245
45.30
10,206
17,245
45.35
10,206
17,245
45.40
10,206
17,245
45.45
10,206
17,245
45.50
10,206
17,245
Elevation
Surface
Storage
(feet)
(sq-ft)
(cubic -feet)
45.55
10,206
17,245
45.60
10,206
17,245
45.65
10,206
17,245
45.70
10,206
17,245
45.75
10,206
17,245
45.80
10,206
17,245
45.85
10,206
17.245
45.90
10,206
17,245
45.95
10,206
17,245
46.00
10,206
17,245

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post
Prepared by Norris & Tunstall Consulting Engineers
HvdroCADO 7.10 s/n 000479 © 2005 HvdroCAD Software
Type 11124-hr 10 YR Rainfall=7.00"
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1 S: Pre -Development
Runoff Area=87,979 sf Runoff Depth>4.36"
Tc=5.0 min CN=77 Runoff=10.30 cfs 0.734 of
Subcatchment 2S: Post Development Runoff Area=87,979 sf Runoff Depth>5.82"
Tc=5.0 min CN=90 Runoff=13.09 cfs 0.980 of
Pond 1P: Wet Pond Peak Elev=44.34' Storage=10,844 cf Inflow=13.09 cfs 0.980 of
Primary=7.74 cfs 0.830 of Secondary=0.00 cfs 0.000 of Outflow=7.74 cfs 0.830 of

HAPROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post Type 11124-hr 10 YR Rainfall=7.00"
Prepared by Norris & Tunstall Consulting Engineers
HydroCADO 7.10 sln 000479 © 2005 HydroCAD Software Solutions LLC 9/24/2013
Pond 1 P: Wet Pond
Inflow Area = 2.020 ac, Inflow Depth > 5.82" for 10 YR event
Inflow =
13.09 cfs @
12.07 hrs,
Volume=
0.980 of
Outflow =
7.74 cfs @
12.18 hrs,
Volume=
0.830 af, Aften= 41%, Lag= 6.5 min
Primary =
7.74 cfs @
12.18 hrs,
Volume=
0.830 of
Secondary =
0.00 cfs @
0.00 hrs,
Volume=
0.000 of
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 44.34' @ 12.18 hrs Surf.Area= 9,276 sf Storage= 10,844 cf
Flood Elev= 46.00' Surf.Area= 10,206 sf Storage= 17,245 cf
Plug -Flow detention time= 110.0 min calculated for 0.828 of (85% of inflow)
Center -of -Mass det. time= 46.6 min ( 825.3 - 778.6)
Volume Invert
Avail.Storage Storage Description
#1 43.00'
_
17,245 cf Storage Above Normal Pool (Prismatic) Listed below (Recalc)
Elevation Surf.Area
Inc.Store Cum.Store
(feet)
(sq-ft)
(cubic -feet) (cubic -feet)
43.00
6,034
0 0
43.50
8,082
3,529 3,529
43.85
8,578
2,916 6,445
45.00
10,206
10,801 17,245
Device Routing
Invert
Outlet Devices
#1 Primary
42.00'
_
15.0" x 85.0' long Outlet Culvert
RCP, square edge headwall, Ke= 0.500
Outlet Invert= 40.00' S= 0.0235 7' Cc= 0.900
n= 0.011 Concrete pipe, straight & clean
#2 Device 1
43.00'
1.5" Vert. NCDENR Orifice C= 0.600
#3 Device 1
43.85'
4.00' x 4.00' Horiz. Top of Box Limited to weir flow C= 0.600
#4 Secondary
44.50'
20.0' long x 20.0' breadth Emergency Spillway
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Primary OutFlow Max=7.74 cfs @ 12.18 hrs HW=44.34' (Free Discharge)
LT=Outlet Culvert (Inlet Controls 7.74 cfs @ 6.3 fps)
2=NCDENR Orifice (Passes < 0.07 cfs potential flow)
3=Top of Box (Passes < 17.89 cfs potential flow)
econdary OutFlow Max=0.00 cfs @ 0.00 hrs HW=43.00' (Free Discharge)
Emergency Spillway ( Controls 0.00 cfs)

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post
Prepared by Norris & Tunstall Consulting Engineers
HvdroCADO 7.10 sln 000479 © 2005 HvdroCAD Software f
Pond 1 P: Wet Pond
Hydrograph
Inflow Area=2.020 ac
Peak Elev=44.34'
Storage=10,844 cf
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Time (hours)
Type 111 24-hr 10 YR Rainfall=7.00"
Inflow
outlim
Pnmary
Secondary

HAPROJECTS\2013\13059 HOLT OIL\13059 CALM
13059 Pre -Post Type 1/124-hr 100 YR Rainfall= 10. 00"
Prepared by Norris & Tunstall Consulting Engineers
HydroCADO 7.10 s/n 000479 © 2005 HydroCAD Software Solutions LLC 9/24/2013
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Pre -Development
Runoff Area=87,979 sf Runoff Depth>7.13"
Tc=5.0 min CN=77 Runoff=16.68 cfs 1.200 of
Subcatchment 2S: Post Development Runoff Area=87,979 sf Runoff Depth>8.78"
Tc=5.0 min CN=90 Runoff=19.28 cfs 1.477 of
Pond 1 P: Wet Pond Peak Elev=44.67' Storage=13,993 cf Inflow=19.28 cfs 1.477 of
Primary=8.46 cfs 1.278 of Secondary=3.83 cfs 0.048 of Outflow=12.29 cfs 1.326 of

H:\PROJECTS\2013\13059 HOLT OIL\13059 CALCS\
13059 Pre -Post
Prepared by Norris & Tunstall Consulting EngineE
HydroCADO 7.10 s/n 000479 © 2005 HydroCAD Softwar
Pond 1 P: Wet Pond
Type 111 24-hr 100 YR Rainfall= 10. 00 "
Inflow Area = 2.020 ac, Inflow Depth > 8.78" for 100 YR event
Inflow =
19.28 cfs @
12.07 hrs,
Volume=
1.477 of
Outflow =
12.29 cfs @
12.17 hrs,
Volume=
1.326 af, Atten= 36%, Lag= 6.0 min
Primary =
8.46 cfs @
12.17 hrs,
Volume=
1.278 of
Secondary =
3.83 cfs @
12.17 hrs,
Volume=
0.048 of
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 44.67' @ 12.17 hrs Surf.Area= 9,744 sf Storage= 13,993 cf
Flood Elev= 46.00' Surf.Area= 10,206 sf Storage= 17,245 cf
Plug -Flow detention time= 89.6 min calculated for 1.323 of (90% of inflow)
Center -of -Mass det. time= 40.7 min (809.1 - 768.4 )
Volume
Invert Avail.Storage Storage
Description _
#1
43.00'
17,245 cf Storage Above Normal Pool (Prismatic) Listed below (Recalc)
Elevation
Surf.Area
Inc.Store
Cum.Store
(feet)
(sq-ft)
(cubic -feet)
(cubic -feet)
43.00
6,034
0
0
43.50
8,082
3,529
3,529
43.85
8,578
2,916
6,445
45.00
10,206
10,801
17,245
#1
Primary
42.00'
15.0" x 85.0' long Outlet Culvert
RCP, square edge headwall, Ke= 0.500
Outlet Invert= 40.00' S= 0.0235'/' Cc= 0.900
n= 0.011 Concrete pipe, straight & clean
#2
Device 1
43.00'
1.5" Vert. NCDENR Orifice C= 0.600
#3
Device 1
43.85'
4.00' x 4.00' Horiz. Top of Box Limited to weir flow C= 0.600
#4
Secondary
44.50'
20.0' long x 20.0' breadth Emergency Spillway
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Primary OutFlow Max=8.43 cfs @ 12.17 hrs HW=44.66' (Free Discharge)
'tT=Outlet Culvert (Inlet Controls 8.43 cfs @ 6.9 fps)
2=NCDENR Orifice (Passes < 0.07 cfs potential flow)
3=Top of Box (Passes < 38.23 cfs potential flow)
Mecondary OutFlow Max=3.47 cfs @ 12.17 hrs HW=44.66' (Free Discharge)
Emergency Spillway (Weir Controls 3.47 cfs @ 1.1 fps)

HAPROJECTS\2013\13059 HOLT 0IL\13059 CALM
13059 Pre -Post Type 1/124-hr 100 YR Rainfall=10.00"
Prepared by Norris & Tunstall Consulting Engineers
HvdroCAD® 7.10 sin 000479 © 2005 HvdroCAD Software Solutions LLC 9/24/2013
Pond 1P: Wet Pond
Hydrograph
19.28 crs
Inflow Area=2.020 ac
Peak Elev=44.67'
Storage=13,993 cf 12.29 cl
n 1 9 3 A a 9 10 11
Time (hours)
— Infim
ouffl w
Primary
Secondary

15' '00
00" W 078° 14' 30, 00" W 078- 14' 00 00" W 078' 13' 30.00" W 078° 13'
00 00" W
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SCALE 1.24000
O IODO _ _ 4000 -. m
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