NCG140447_COMPLETE FILE - HISTORICAL_20160923

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
Iv C& )`IU yy 7
DOC TYPE
Dk HISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
❑ a� � �0 �7 a 3
YYYYMMDD

Central Files: APS — SWP _
9/23/2016
Permit Number NCG140447
Permit Tracking Slip
Program Category
Status Project Type
NPDES SW
In review New Project
Permit Type
Version Permit Classification
Ready Mix Concrete StormwaterlWastewater Discharge COC
COC
Primary Reviewer
rick riddle
_ Permit Contact Affiliation
ECEIVED
Coastal SWRule
SEP 2 3 ZU16
Permitted Flow
CENTRAL FILES
DWR SECTION
Facility
Facility Name
McCarthy Improvement Iredell County Concrete Plant
Location Address
2289 Tumersburg Hwy
Statesville
NC 28625
MajorlMinor Region
Minor Mooresville
County
Iredell
Facility Contact Affiliation
Warren Baker
2289 Turnersburg Hwy
Owner Statesville NC 28625
Owner Name Owner Type
McCarthy Improvement Company Non-Govemment
Owner Affiliation
Kevin Crusa
Manager Project
3950 US 1 N
DateslEvents Henderson NC 27536
Scheduled
Orig Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration
8/30/2016
Regulated Activities Requested (Received Events
Ready mixed concrete production RO staff report received 9123116
RO staff report requested 916116
Outfall 1
Waterbody Name Streamindex Number Current Class Subbasin
Rocky Creek (Rocky River) 12-108-11 C 03-07-06

Energy. Mineral
and Land Resources
ENVIRONMENTAL QUALITY
September 23, 2016
Warren Baker
McCarthy Improvement Company
590 Means Street NW
Atlanta, GA 30318
PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Secretary
TRACY DAVIS
Director
Subject: General Permit No. NCG 140000
McCarthy Improvement Company
COC NCG140447
Iredell County
Dear Mr. Baker:
In accordance with your application for a discharge permit received on August 30, 2016, we are
forwarding herewith the subject certificate of coverage to discharge under the subject state — NPDES
general permit. This pert -nit is issued pursuant to the requirements of North Carolina General Statute 143-
215.1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended).
Please take notice that this certificate of coverage (COC) is not transferable except after notice to the
Division of Energy.. Mineral, and Land Resources. The Division may require modification or revocation
and reissuance of the certificate of coverage.
Please note that NCG140000 contains effluent limitations for process wastewater discharges (see Part IV,
Section D). Wastewater discharges must meet the requirements of these effluent limitations. An
exceedance of any of these limitations is a violalion ofpermil conditions.
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Energy, Mining, and Land Resources, or permits required by the Division of Water
Resources, Coastal Area Management Act, or any other federal or local governmental permit that may be
required.
If you have any questions concerning this permit, please contact Richard Riddle at telephone number
[phone].
Sincerely,
for Tracy E. Davis, P.E., CPM
cc: Mooresville Regional Office
Central Files
Stormwater Permitting Program Files
State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources
1612 Mail Service Center 1 512 North Salisbury Street I Raleigh, NC 27699-1612
919 707 9200 T

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140447
STORMWATER and WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
McCarthy Improvement Company, Inc.
is hereby authorized to discharge stormwater and process wastewater from a facility located at
McCarthy Improvement Iredell Concrete Plant
2289 Turnersburg Highway
Statesville
Iredell County
to receiving waters designated as Rocky Creek, a class C water in the Yadkin Pee -Dee River
Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions
set forth in Parts I, 1I, 111, IV, and V of General Permit No. NCG140000 as attached. ,
This certificate of coverage shall become effective September 23, 2016.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day September 23, 2016.
for Tracy E. Davis; P.E., Director
Division of Energy, Mineral, and Land Resources
By the Authority of the Environmental Management Commission

Q� : • Division of Energy, Mineral and Land Resources
Land Quality Section
NCDENRNational Pollutant Discharge Elimination System
NORTH GROI OS TM T OF
E_Ii IMCr —N­RES kCF::
NCG140000
NOTICE OF INTENT
FOR AGENCY USE ONLY
Date Received
Year Month
Oav
Certificate ofCoverwe
C
eck Amount
cnnit A Signcd to
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG140000:
STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classified as:
SIC (Standard Industrial Classification) Code: 3273 and like activities - Ready Mixed Concrete
This NOI may be an application to discharge process wastewater. NCG140000 contains effluent limitations for
process wastewater discharges. Wastewater discharges must meet the requirements of these effluent
limitations. An exceedence of any of these limitations will result in a violation of the permit conditions.
For questions, please contact the DEMLR Central Office or Regional Office in your area. (See page 6)
(Please print or type)
1) Mailing address of owner/operator official address to which all permit correspondence will be
mailed : (Please print or type all entries in this application form.)
Legal Owner Name _ McCarthy Improvement Company
(Please attach the most recent Annual Report to the NC Secretary of State showing the current legal name. Alternatively this
permit can be given to an individual.)
Signee's Name (as signed for in question 29 below) Sonia Sundstedt
Street Address _590 Means Street NW _
City Atlanta State GA� ZIP Code 30318
Telephone No. 864-630-3631 Email _wbakeramccarthyimprovement.com
Alternate Contact Name Jim Rezac mail (if different) jrezac(d,)mccarth improvement.com
Alternate Contact Telephone (if different) [phone]
2) Location of facility producing discharge:
Facility Name McCarthy Improvement Iredell County Concrete Plant
Facility Contact Warren Baker, Project Manager
Street Address 2289 Turnersburg Highway
City Statesville State NC ` ZIP Code 28625
County Iredell Count
Telephone No. 864 — 630-3631 Fax: NA
3) Physical location information:
Please provide narrative directions to the facility (use street names, state road numbers, and distap;bpnd
direction from a roadway intersection). Travel north out of Statesville NC on Highway 77. Turn eabM
Highway -21/Turnersburg Highway. Travel approximately 5.5 miles to site on left. q/
(A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this applicaUrt±�, % �
4) Latitude 35° 54' 31" Longitude -80° 48' 41" (deg, ec
� �� ) �4
5) This NPDES Permit Application applies to the following (check all that apply): �.o QG
Q New or Proposed Facility Date operation is to begin September 2016
❑ Existing Facility Permit # 2C
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NCG140000 N.O.I.
6) Consultant's application information:
Consultant:
Consulting Firm:
Mailing Address:
City: Carl
State: Gi
Zip Code:
Phone: ( 770) 573-3055 Fax: { )
Email: iackieterraconsultingllc.com
(Optional)
Staple Business Card Here:
7) Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary
industrial activity at this facility:
SIC Code: 3 2 7 3
8) Provide a brief description of the types of industrial activities and products produced at this facility:
(Attach a site diagram showing the process areas present at this facility.)
See attachment A
Stormwater Discharge, Wastewater Treatment & Discharge and Permitting Information
9) Discharge points 1 Receiving waters:
Number of discharge points (ditches, pipes, channels, etc.) that convey stormwater and/or wastewater from
the property:
Stormwater-only. _0 Wastewater -only. _0 Wastewater Commingled with Stormwater: _7
For new facilities: Expected date of commencement of discharge: October 2016
What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater
and/or wastewater discharges end up in? Rocky Creek
Receiving water classification(s), if known: C
If the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm
sewer system (e.g. City of Raleigh municipal storm sewer). NA
Will this facility discharge wastewaterto SA (Shellfishing) waters? ❑ Yes 0 No
Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must
be approved by the N.C. Division of Water Resources, Public Water Supply Section. If DWR
does not approve, coverage under NCG140000 cannot be granted. No new discharges of
process wastewater are permitted in receiving waters classified as WS-1 or freshwater ORIN.
10) Each applicant shall provide the following information (attach additional sheets as necessary):
• Two (2) site plans depicting the facility or site with numbered outfalls which indicate stormwater and
wastewater outfalls. The plans shall legibly show, at a minimum, (existing or proposed):
o Outline of drainage areas with topographical lines and features
o Stormwater/wastewater treatment structures
o Location of numbered stormwater/wastewater outfalls (corresponding to which drainage areas)
o Runoff conveyance structures
o Areas and acreage where materials are stored
o Impervious area acreages
o Location(s) of streams and/or wetlands the site is draining to, and any applicable buffers
o Site property lines, North Arrow, and bar scale
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NCG140000 N.4.1.
o If applicable, the 100-year tloodpiain line
o Acreage of each stormwater and wastewater topographical area
o Each of the facilities' wastewater or stormwater source and discharge structures and each of its
hazardous waste treatment, storage, or disposal facilities
o Site location (insert)
Site plans shall be 24" x 36" in size.
• Line drawing and description: A line drawing of the water flow through the facility. A pictorial
description of the nature and amount of any sources of water and any collection and treatment measures.
• A narrative description and identification of each type of process, operation, or production area which
contributes wastewater to the effluent for each outfall, and a description of the treatment the wastewater
receives (or will receive), including the ultimate disposal of any solid or fluid wastes other than by
discharge. Processes, operations, or production areas may be described in general terms (e.g. "ash
silo").
11) Does the applicant have any unresolved Notice of Violations (NOVs)?
Q No ❑ Yes
Wastewater:
12) What types of wastewater does your facility generate or discharge?
Type of Authorized Wastewater
Generate
Discharge
Sent to WW
Treatment
System
Vehicle and equipment cleaning VE
Q
Q
❑
Wetting of raw material stockpiles (RM)
Q
Q
❑
Mixing drum cleaning MD
Q
Q
❑
Further explanation, if necessary: See Attachment A
13) Will your facility spray -down or actively wet aggregate piles?
❑ No Q Yes
14) Does the facility use any of the following on site?
❑ Phosphorus -containing Detergents
❑ Brighteners ❑ Other Cleaning Agents
❑ Nan -Phosphorus -containing Detergents
❑ Other:
15) Are wastewater treatment facilities planned in the 100-year flood plain?
Q No ❑ Yes
16) Does your facility use or plan to use a recycle system, or recycle components in your treatment system?
Q Yes ❑ No
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
25 year (see Attachment Al
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NCG140000 N.O.I.
_ 17) Will your facility build a closed -loop recycle system that meets design requirements in 15A NCAC 02T
I .1000 and hold your facilities' working volume'?
yF ❑ Yes 0 No
Will your facility discharge wastewater to surface waters?
Q Yes ❑ No
If the facility's treatment system meets the design requirements of 15A NCACO2T .1000 (including
holding the 25-year, 24-hour storm plus one foot of freeboard), holds the working volume of your site,
and does not discharge wastewater to surface waters, you may not be required to obtain an NPDES
permit for wastewater discharges. If you believe this is the case, please contact DEMLR's Aquifer
Protection Section Land Application Unit Central Office Supervisor or staff (1636 Mail Service Center,
Raleigh, NC 27699-1636) for more information on obtaining the necessary permits or approvals. If you will
discharge wastewater or stormwater to surface waters, please continue to apply for a permit to discharge
associated with ready -mixed concrete or like operations under NCG140000. For further questions, please
contact DEMLR's Stormwater Permitting Unit Staff
18) A wastewater treatment alternatives review is required by 15A NCAC 2H.0105 (c)(2) for any new or
expanding water pollution control facility's discharge in North Carolina. You may attach additional sheets.
a) What wastewaters were considered for this alternatives review? EVE 0 RM CQ MD
b) Connection to a Municipal or Regional Sewer Collection System:
i) Are there existing sewer lines within a one -mile radius? ..................................... ❑ Yes 2 No
(1) If Yes, will the wastewater treatment plant (WWTP) accept the wastewater? .... ❑ Yes ❑
(a) If No, please attach a letter documenting that the WWTP will not accept the wastewater.
(b) If Yes, is it feasible to connect to the WWTP? Why or why not?*
c) Closed -loop Recycle System (must meet design requirements of 15A NCAC 2T .1000):
i) Are you already proposing a closed -loop recycle system (CLRS)? ❑ Yes Q No
(1) If Yes, contact DEMLR's Aquifer Protection Section's Land Application Unit
(2) If No, is this option technologically feasible (possible)? Why or why not?*
see attachment A
(3) If No, is it feasible to build a CLRS on your site? Why or why not?*
see attachment A
(4) What is the feasibility of building a CLRS compared to direct surface water discharge?*
see attachment A
Im
I See DWQ's Aquifer Protection Section Land Application Unit's Water Balance Calculation Policy for more information, on DWQ LAU's
website http:llportal.ncdenr.or.qlweblwglaps/lau/policies for more information.
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NCG140000 N.O.I.
d) Surface or Subsurface Disposal System (e.g., spray irrigation):
i) Is a surface or subsurface disposal technologically feasible (possible)? ....................0 Yes ❑ No
Why or Why not? See attachment A
ii) Is a surface or subsurface disposal system feasible to implement?* ........................ 0 Yes ❑ No
Why or Why not?
See attachment A
iii) What is the feasibility of employing a subsurface or surface discharge as compared to a direct
discharge to surface waters?* See attachment
e) Direct Discharge to Surface Waters: Is discharge to surface waters the most environmentally sound
alternative of all reasonably cost-effective options of the wastewaters being considered?*... 0 Yes ❑ No
i) If No, contact DEMLR's Land Application Unit to determine permitting requirements.
f) If this review included all wastewater discharge types, would excluding some types (e.g. raw
stockpile wetting) make any of the above non -discharge options feasible? ..............❑ Yes 0 No
*You maybe asked to provide further information to support your answers to these questions after the initial review.
Feasibility should take into account initial and recurring costs.
Stormwater:
19) Does this facility employ any best management practices for Stormwater control? ❑ No 0 Yes
If yes, please briefly describe: See Attachment A
20) Does this facility have a Stormwater Pollution Prevention Plan? ❑ No 0 Yes
If yes, when was it implemented? The SPPP will be completely implemented before the commencement of
operations
21) Are vehicle maintenance activities (VMA) occurring or planned at this facility? 0 No ❑Yes
If yes, does your VMA area discharge into your wastewater treatment device? ❑ No ❑ Yes
Other/Perm
22) Does this facility have a Division of Land Resources Erosion & Sedimentation Control (E&SC) Permit?
❑ No 0 Yes
If yes, list the permit numbers for all current E&SC permits for this facility: Permit will be issued by Iredell
County before the commencement of construction.
23) Is your facility subject to Phase II Post -Construction Area? ❑ Yes
If yes, who is the permitting authority?
0 No
24) Is your facility located in one of the 20 Coastal Counties? ❑ Yes 0 No
Is your facility adding more than 10,000 ft2 of built -upon area or CAMA Major Permit? ❑ Yes 0 No
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NCG140000 N.O.I.
25) Is your facility discharging wastewater (treated or untreated) such as water from wetting of aggregate piles,
drum rinse -out, or vehicle and equipment cleaning to a stormwater BMP? El No ❑ Yes
If yes, please attach your approval from the permitting authority to do so.
26) Does this facility have any other NPDES permits? ❑ No 121 Yes
If yes, list the permit numbers for all current NPDES permits for this facility: NPDES Construction Permit is being
applied for in Iredell County _
27) Does this facility have any Non -Discharge permits (ex: recycle permits)? 2 No ❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
28) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
Q No ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
0 No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
0 No ❑ Yes
d) Type(s) of waste: used oil
How is material stored: in one (1) 75-gallon self contained double wall plastic tank
Where is material stored: in tank near the parts trailer
How many disposal shipments per year: one 1
Name of transport I disposal vendor: Safety-Kleen
Vendor address: 2320 Yadkin Ave, Charlotte, NC 28205
Final Checklist
This application will be returned as incomplete unless all of the following items have been included:
0 Check for $100 made payable to NCDENR.
r 0 This completed application and all supporting documentation. See Question 10.
If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR)
or local designee: documentation verifying applicant has developed and submitted that Plan to the
governing agency (required per 15A NCAC 02H .0138).
�I Q Two (2) site plans depicting the site plan with numbered outfalls which indicate stormwater and wastewater
rF outfalls. See Question 10.
Q A county map or USGS quad sheet with location of facility clearly marked.
29) Signatory Requirements (per 40 CFR 122.22)
All applications, reports, or information submitted to the Director shall be signed and certified.
a. All notices of intent to be covered under this General Permit shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this permit, a responsible corporate officer means: (a) a president,
secretary, treasurer or vice president of the corporation in charge of a principal business function, or any other person who performs similar
policy or decision making functions for the corporation, or (b) the manager of one or more manufacturing production or operating facilities
employing more than 250 persons or having gross annual sales or expenditures exceeding 25 million (in second quarter 1980 dollars), if
authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
(2) For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or
(3) For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official.
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NCG140000 N.O.I.
Certification: North Carolina General Statute 143-215.6 B(i) provides that:
Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document
filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material
fact in a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording
or monitoring device or method required to be operated or maintained under this Article or rules of the [Environmental Management] Commission
implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000).
I hereby request coverage under the referenced General Permit. I understand that coverage under this permit will
constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual
permit.
certify that I am familiar with the information contained in this application and that to the best of my knowledge
and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Sonia Sundstedt
Title: Coro. Secr
of Applicant)
8/10/16
(Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to: NCDENR
Mail the entire package to:
Stormwater Permitting Unit Program
Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
For questions, please contact the DEMLR Regional Office for your area.
DEMLR Regional Office Contact Information:
Asheville Office ......
[phone]
Fayetteville Office ...
[phone]
Mooresville Office ...
[phone]
Raleigh Office ........
[phone]
Washington Office ...
[phone]
Wilmington Office ...
[phone]
Winston-Salem ......
[phone]
Central Office .........
[phone]
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Attachment A
NCGI40000 N.O.I. Additional Information for Questions
McCarthy Improvement Company, Inc.
McCarthy Iredell County Concrete Batch Plant
8) Description of Industrial Activities
The proposed facility is a temporary concrete batch plant that will be located a portion of a 60.6 acre parcel
owned by Stewart Holding NC, LLC located at 2289 Turnersburg Highway in Iredell County. McCarthy will
lease approximately 1.6 acres of the parcel. The parcel was previous occupied by a carpet manufacturing plant.
In approximately 2010 the building housing that facility was demolished leaving a large concrete slab and a small
building on the parcel. McCarthy Improvement Company is leasing the area located between the slab and
Turnersburg Highway as delineated on the attached site plans. The concrete batch plant is being installed to
provide concrete for a repaving project on Highway 21/Turnersburg Highway.
12) Type of Wastewater
A combination of wastewater and stormwater will be discharged from this facility's outfall intermittently during
the approximately 3 months the plant is expected to be located at this site. Wastewater will be comingled with
stormwater only when the plant is in operation. The plant is expected to be in operation 40 days at this site. On
the days the plant is operating the wastewater described below will be generated.
The concrete mixing drum will be washed out once per day when operating. Washing the drum will produce an
estimated 800 gallons of wastewater per day.
A lawn sprinkler and hose will be used for wetting the aggregate stockpile. The sprinkler will be rotated around
the stockpile during the day to cover all parts of the pile. Wetting the aggregate stockpile is conducted to produce
an evaporative cooling of the stone. The evaporation of the water during this sprinkling process reduces the
volume of water that ultimately flows away from the stockpile. Wetting is not used on the sand stockpile. Per
DOT specifications both the aggregate and sand are washed prior to being delivered to the site, reducing the
potential fines in the runoff of the stormwater/wastewater mixture from the area covered by the stockpiles.
The plant anticipates using 15 trucks to deliver concrete to the paving site and each truck will washout up to 12
times per day. Each washout will use approximately 50 gallons of water. The anticipated volume of wash water
generated will be approximately 9,000 gallons per day, which will be contained and recycled through a series of
three settling pits. The total holding capacity of the settling pits will be approximately 90,000 gallons. The waste
water will be recycled as washout water and for dust suppression on the vehicle travel routes on the site.
16) Recycling system
This plant will be using a series of three settling pits to treat and recycle the washout water from the truck bed
washout area. The plant anticipates using 15 trucks to deliver concrete to the paving site and each truck will
washout up to 12 times per day. Each washout will use approximately 50 gallons of water. The anticipated
volume of wash water generated will be approximately 9,000 gallons per day, which will be contained and
recycled through the settling pits. The total holding capacity of the settling pits will be approximately 90,000
gallons. The waste water will be recycled as washout water and for dust suppression on the vehicle travel routes
on the site.
A freeboard of 6 inches will maintained in the settling pits at all times, which would accommodate the rainfall
from a 10 year (5 inches) or 25 year (5.5 inches) storm event.

18) Wastewater Treatment Alternatives Review
c) Closed -loop Recycling System (15A NCAC 2T .1000)
(2) Construction of a CLRS meeting NC standards 15A NCAC 2T .1000 is not technologically feasible.
The small size of the site does not provide the space necessary to construct the CLRS to meet the NC
standards.
(3) The plant will be located at this site for approximately 3 months; it will only operate approximately
40 days during that time. The limited operational time at the site does not justify the expense of
constructing the CLRS. Additionally, this project, as with most similar projects, has a fairly short lead
time and the six months or more that would be necessary for the design, approval, and installation of a
CLRS is not available.
(4) The time and disruption of constructed infrastructure required for the design, approval, and
installation of a closed -loop recycling system that will be utilized for the treatment of a limited amount of
wastewater generated no more than 40 days over the three months the plant will be at this location cannot
be justified.
(d) Surface or Subsurface Disposal Systems
(i) Wastewater from the settling pits will be used for dust suppression and a detention pond equipped
with a surface skimmer will reduce solids in the water discharged to the surface.
(ii) Water from the settling pits will be recycled as washout water and for dust suppression. In addition
any wastewater that escapes the settling pits will be contained within a detention pond which will allow a
significant portion of the suspended solids to settle out before being discharged to the surface.
(iii) Both methods of surface disposal are feasible and will be implemented.
19) Best Management Practices (BMP)
(1) Perimeter contain mentldiversionary berms along the north and east edges of the site will direct the combined
stormwater and wastewater discharges to the detention pond.
(2) A detention pond at the southeast corner of the site will contain the combined stormwater and wastewater to
allow a significant portion of the suspended solids to settle out of the water before being discharged.
(3) Storm water from the undisturbed north and west portions of the parcel will bypass the site by flowing through
an existing drainage channel to the north and east of the site. This drainage channel will be outside of the
disturbed area and will maintain its pre -development routing.
(4) The perimeter diversionary berm along the north edge of the site will assure that storm water in the channel
bypasses the site. This will prevent the combination of stormwater and wastewater discharges from this site from
commingling with stormwater from the adjacent undisturbed areas north and west of the site.
(5) A containment berm along the roadside ditch to the south of the site will direct storm water and wastewater
runoff to the detention pond.
(6) Sediment fence will be installed along the north, south, and east edges of the site to the outside of the
containment berms. Fencing will be installed, monitored, and maintained according the to practice standards and
specifications contained in the North Carolina Erosion and Sediment Control Planning and Design Manual
(section 6.62).
(7) All disturbed surfaces within the site boundaries will be stabilized with 4 to 6 inches of graded aggregate base
(GAB) or permanent vegetation.
(8) All parts and maintenance oil, grease, and fluids will be stored inside the parts trailer at all times.
(9) Used oil from minor maintenance is stored in a 75-gallon double -wall tank.
(10) Fuel oil for the material handling equipment will be contained in a 1,000 gallon double -wall tank. Fuel oil
for the electric generator used to power the plant will be stored in a 1,000 double -wall tank located inside the
trailer housing the generator. All employees will receive training in the proper dispensing, spill prevention, and
spill response procedures.

Attachment B — Description of Processes Producing Wastewater
Three processes at this facility will potentially contribute wastewater to the effluent from the outfall.
Wastewater Source 1:
Wastewater Source l is the concrete batch plant drum. The drum on the plant will be washed out once
per day on days he plant is operational. The plant is expected to operate approximately 40 days during
the two to three months the plant is expected to operate at this location. The wastewater produced from
the daily washout is approximately 800 gallons.
Wastewater Source 2:
Wastewater Source 2 is the truck bed washout used to washout the beds of the dump trucks used to
transport the concrete to the location being paved. The plant anticipates using 15 trucks on this project
and each truck will washout up to twelve times per day when the plant is operating. Each washout will
use approximately 50 gallons of water. The anticipated volume of wash water generated will be
approximately 9,000 gallons per day, which will be contained and recycled through a series of three pits
designed to allow suspended particles to settle out of the wash water. The combined holding capacity of
the pits is approximately 90,000 gallons. The water in the third pit will be recycled as wash water or used
for dust suppression on the site. Solids will be removed from the pits when they occupy one half of the
designed holding capacity of the pit. The solids are dried and disposed of in an industrial solid waste
facility. Wastewater spilled or leaked from the recycling system or the washout area would flow to the
detention pond and ultimately be discharged to the surface.
Wastewater Source 3:
Wastewater Source 3 includes the aggregate and sand stockpiles. The aggregate stockpile will be wetted
using a lawn sprinkler and hose. The sprinkler will be rotated around the stockpile during the day to
cover all parts of the pile. Wetting the aggregate stockpile is done to produce an evaporative cooling of
the stone. The evaporation of the water during this sprinkling process reduces the volume of water that
ultimately flows away from the stockpile. Wetting is not used on the sand stockpile. Per DOT
specifications both the aggregate and sand are washed prior to being delivered to the site, reducing the
potential fines in stormwater runoff from the area covered by the stockpiles. Wetting of the aggregate
stockpile will be conducted up to 24 hours per day when the plant is operating. The wastewater from the
aggregate stockpile will consist of water from the wetting of the stone and stormwater that falls on the
pile. Wastewater from the sand stockpile will consist of only stormwater that falls on the pile.
Stormwater and wastewater from both stockpiles will flow to the detention pond and ultimately be
discharged to the surface.

Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
September 23, 2016
Warren Baker
McCarthy Improvement Company
590 Means Street NW
Atlanta, GA 30318
PAT MCCRORY
Gos error
DONALD R. VAN DER VAART
Secretary
TRACY DAVIS
Director
Subject: General Permit No. NCG 140000
McCarthy Improvement Company
COC NCG140447
Iredell County
Dear Mr. Baker:
In accordance with your application for a discharge permit received on August 30,,2016, we are
forwarding herewith the subject certificate of coverage to discharge under the subject state — NPDES
general permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-
215.1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended).
Please take notice that this certificate of coverage (COC) is not transferable except after notice to the
Division of Energy, Mineral, and Land Resources. The Division may require modification or revocation
and reissuance of the certificate of coverage.
Please note that NCG140000 contains effluent limitations for process wastewater discharges (see Part IV,
Section D). Wastewater discharges must meet the requirements of these effluent limitations. An
exceedance of any of these limitations is a violation of permit conditions,
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Energy, Mining, and Land Resources, or permits required by the Division of Water
Resources, Coastal Area Management Act, or any other federal or Iocal governmental permit that may be
required.
If you have any questions concerning this permit, please contact Richard Riddle at telephone number
[phone].
Sincerely,
CR'G'NAL siGN�G gy
'WI CHEAT F RANDALL
for Tracy E. Davis, F.E., CPM
cc: Mooresville Regional Office
Central Files
Stormwater Permitting Program Files
State of Norih Carolina I En%ironmental Qualisy I Energy, Mineral and Land Resources
1612 Mail Senice Center 1 512 North Salisbury Street I Raleigh. NC 27699-1612
919 707 9200 T

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140447
STORMWATER and WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
McCarthy Improvement Company, Inc.
is hereby authorized to discharge stormwater and process wastewater from a facility Iocated at
McCarthy Improvement Iredell Concrete Plant
2289 Turnersburg Highway
Statesville
Iredell County
to receiving waters designated as Rocky Creels, a class C water in the Yadkin Pee -Dee River
Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions
set forth in Parts I, I1, 1II, IV, and V of General Permit No. NCG 140000 as attached.
This certificate of coverage shall become effective September 23, 2016.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day September 23, 2016.IGIAfAL 5IGN15D BY
M1CHEAL F
RANDALL
for Tracy E. Davis, A.E., Director
Division of Energy, Mineral, and Land Resources
By the Authority of the Environmental Management Commission

A+'a
Division of Energy, Mineral and Land Resources
'; ll Land Quality Section
NCDENRNational Pollutant Discharge Elimination System
N� CAR NA OEJ"I mcw or
EN�IRONMENr ANP Nu/xti RESOURCE:
NCG140000
FOR AGENCY USE ONLY
Date Received
Year
Month
Day
Certificate of Coverage
Check 4 Amount
Permit A-s ned to
NOTICE OF INTENT �� 4116130 �O
ST.. NR 141
National Pollutant Discharge Elimination System applicationCC��,,�'cSw;j; e un er General Permit
NCG140000: ���R'p''���U9(��
STORMWATER AND PROCESS WASTEWATER DISCHARGES associated VaNectivities classified as:
SIC (Standard Industrial Classification) Code: 3273 and like activities - Ready Mixed Concrete
This NOI may be an application to discharge process wastewater. NCG140000 contains effluent limitations for
process wastewater discharges. Wastewater discharges must meet the requirements of these effluent
limitations. An exceedence of any of these limitations will result in a violation of the permit conditions.
For questions, please contact the DEMLR Central Office or Regional Office in your area. (See page S)
(Please print or type)
1) Mailing address of owner/operator (official address to which all permit correspondence will be
mailed): (Please print or type all entries in this application form.)
Legal Owner Name McCarthy Improvement Company _
(Please attach the most recent Annual Report to the NC Secretary of State showing the current legal name. Alternatively this
permit can be given to an individual.)
Signee's Name (as signed for in question 29 below) Sonia Sundstedt
Street Address 590 Means Street NW
City Atlanta State GA_ ZIP Code 30318
Telephone No. 864-630-3631 Email wbaker�mccarthyimprovement.com
Alternate Contact Name Jim Rezac mail (if different) irezacC(Dmccarthyimprovement.com
Alternate Contact Telephone (if different) [phone]
2) Location of facility producing discharge:
Facility Name McCarthy Improvement Iredell County Concrete Plant
Facility Contact Warren Baker, Project Manager
Street Address 2289 Turnersburg Highway
City Statesville State NC — ZIP Code 28625
County Iredeli County
Telephone No. 864 — 630-3631 Fax: NA
3) Physical location information:
Please provide narrative directions to the facility (use street names, state road numbers, and distance and
direction from a roadway intersection). Travel north out of Statesville. NC on Highway 7._ Turn east on
Highway 21/Turnersburg Highway. Travel approximately 5.5 miles to site on left:
(A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this application.)
4) Latitude 35° 54' 31" Longitude -80° 48' 41" (deg, min, sec)
5) This NPDES Permit Application applies to the following (check all that apply):
0 New or Proposed Facility
❑ Existing Facility Permit #
Date operation is to begin September 2016
Page 1 of 7
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NCG140000 N.O.I.
6) Consultant's application information:
Consultant:
Consulting Firm:
Mailing Address:
City: Can
State: Gf
Zip Code:
Phone: ( 770) 573-3055 Fax: ( )
Email:
(Optional)
Staple Business Card Here:
7) Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary
industrial activity at this facility:
SIC Code: 3 2 7 3
8) Provide a brief description of the types of industrial activities and products produced at this facility:
(Attach a site diagram showing the process areas present at this facility.)
See attachment A
Stormwater Discharge, Wastewater Treatment & Discharge and Permitting Information
9) Discharge points 1 Receiving waters:
Number of discharge points (ditches, pipes, channels, etc.) that convey stormwater and/or wastewater from
iile propery:
Storm water -only: _0 Wastewater -only: _0 Wastewater Commingled with Stormwater: _ I
For new facilities: Expected date of commencement of discharge: October 2016
What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater
and/or wastewater discharges end up in? Rocky Creek
Receiving water classification(s), if known: C
If the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm
sewer system (e.g. City of Raleigh municipal storm sewer). NA
Will this facility discharge wastewater to SA (Shellfishing) waters? ❑ Yes Q No
Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must
be approved by the N.C. Division of Water Resources, Public Water Supply Section. If DWR
does not approve, coverage under NCG140000 cannot be granted. No new discharges of
process wastewater are permitted in receiving waters classified as WS-I or freshwater ORW.
10) Each applicant shall provide the following information (attach additional sheets as necessary):
• Two (2) site plans depicting the facility or site with numbered outfalls which indicate stormwater and
wastewater outfalls. The plans shall legibly show. at a minimum, (existing or proposed):
o Outline of drainage areas with topographical lines and features
o Stormwater/wastewater treatment structures
o Location of numbered stormwater/wastewater outfalls (corresponding to which drainage areas)
o Runoff conveyance structures
o Areas and acreage where materials are stored
o Impervious area acreages
o Location(s) of streams and/or wetlands the site is draining to, and any applicable buffers
o Site property lines, North Arrow, and bar scale
Page 2 of 7
SWU-229-07122011 Last revised 7/2/14

NCG140000 N.O.I.
o If applicable, the 100-year floodplain line
o Acreage of each stormwater and wastewater topographical area
o Each of the facilities' wastewater or stormwater source and discharge structures and each of its
hazardous waste treatment, storage, or disposal facilities
o Site location (insert)
Site plans shall be 24" x 36" in size.
• Line drawing and description: A line drawing of the water flow through the facility. A pictorial
description of the nature and amount of any sources of water and any collection and treatment measures.
• A narrative description and identification of each type of process, operation, or production area which
contributes wastewater to the effluent for each outfall, and a description of the treatment the wastewater
receives (or will receive), including the ultimate disposal of any solid or fluid wastes other than by
discharge. Processes, operations, or production areas may be described in general terms (e.g. "ash
silo").
11) Does the applicant have any unresolved Notice of Violations (NOVs)?
Q No ❑ Yes
Wastewater.
12) What types of wastewater does your facility generate or discharge?
Type of Auiiiorizeu :'aste.•.wter
Generate
Discharge
Sent to WW
Treatment
System
Vehicle and equipment cleaning VE
Q
Q
❑
Wetting of raw material stockpiles (RM)
Q
Q
❑
Mixing drum cleaning (MD)
Q
Q
❑
Further explanation, if necessary: See Attachment A
13) Will your facility spray -down or actively wet aggregate piles?
❑ No Q Yes
14) Does the facility use any of the following on site?
❑ Phosphorus -containing Detergents
❑ Brighteners ❑ Other Cleaning Agents
❑ Non -Phosphorus -containing Detergents
❑ Other:
15) Are wastewater treatment facilities planned in the 100-year flood plain?
Q No ❑ Yes
16) Does your facility use or plan to use a recycle system, or recycle components in your treatment system?
Q Yes []No
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
25 year (see Attachment Al
Page 3 of 7
SWU-229-07122011 Last revised 712114

NCG140000 N.O.I.
_17) Will your facility build a closed -loop recycle system that meets design requirements in 15A NCAC 02T
WK
.1000 and hold your facilities' working volume'?
❑ Yes O No
Will your facility discharge wastewater to surface waters?
O Yes ❑ No
If the facility's treatment system meets the design requirements of 15A NCACO2T .1000 (including
holding the 25-year, 24-hour storm plus one foot of freeboard), holds the working volume of your site,
and does not discharge wastewater to surface waters, you may not be required to obtain an NPDES
permit for wastewater discharges. If you believe this is the case, please contact DEMLR's Aquifer
Protection Section Land Application Unit Central Office Supervisor or staff (1636 Mail Service Center,
Raleigh, NC 27699-1636) for more information on obtaining the necessary permits or approvals. if you will
discharge wastewater or stormwater to surface waters, please continue to apply for a permit to discharge
associated with ready -mixed concrete or like operations under NCG140000. For further questions, please
contact DEMLR's Stormwater Permitting Unit Staff.
18) A wastewater treatment alternatives review is required by 15A NCAC 2H.0105 (c)(2) for any new or
expanding water pollution control facility's discharge in North Carolina. You may attach additional sheets.
a) What wastewaters were considered for this alternatives review? EVE O RM O MD
b) Connection to a Municipal or Regional Sewer Collection System:
+ o«,n� linac within a one -mile radius? ............................ ❑ Yes O No
Ij I1iC LIICIe 2niSun� 5., ...... ....�_ __. ... ... ...
(1) If Yes, will the wastewater treatment plant (WWTP) accept the wastewater? .... ❑ Yes ❑
(a) If No, please attach a letter documenting that the WWTP will not accept the wastewater.
(b) If Yes, is it feasible to connect to the WWTP? Why or why not?*
c) Closed -loop Recycle System (must meet design requirements of 15A NCAC 2T .1000):
i) Are you already proposing a closed -loop recycle system (CLRS)? ❑ Yes O No
(1) If Yes, contact DEMLR's Aquifer Protection Section's Land Application Unit
(2) If No, is this option technologically feasible (possible)? Why or why not?*
see attachment A
(3) If No, is it feasible to build a CLRS on your site? Why or why not?*
see attachment A
(4) What is the feasibility of building a CLRS compared to direct surface water discharge?*
see attachment A
M
I See DWQ's Aquifer Protection Section Land Application Unit's Water Balance Calculation Policy for more information, on DWQ LAU's
website htta://portal.ncdenr.orgAvebAvglaps/lau/policies for more information.
Page 4 of 7
SWU-229-07122011 Last revised 712114

NCG140000 N.O.I.
d) Surface or Subsurface Disposal System (e.g., spray irrigation):
i) Is a surface or subsurface disposal technologically feasible (possible)? .................... Q Yes ❑ No
Why or Why not? See attachment A
ii) Is a surface or subsurface disposal system feasible to implement?* ........................ 0 Yes ❑ No
Why or Why not?
See attachment
iii) What is the feasibility of employing a subsurface or surface discharge as compared to a direct
discharge to surface waters?* See attachment
e) Direct Discharge to Surface Waters: Is discharge to surface waters the most environmentally sound
alternative of all reasonably cost-effective options of the wastewaters being considered?*... Q Yes ❑ No
i) if No, contact DEMLR's Land Application Unit to determine permitting requirements.
f) If this review included all wastewater discharge types, would excluding some types (e.g. raw
stockpile wetting) make any of the above non -discharge options feasible? ..............❑ Yes R] No
*You maybe asked to provide further information to support your answers to these questions after the initial review.
-t- ro ld take �^to uocount initial and recurring costs.
Feasibility Srrvu,u rum.,
Stormwater:
19) Does this facility employ any best management practices for Stormwater control? ❑ No Q Yes
If yes, please briefly describe: See Attachment A
20) Does this facility have a Stormwater Pollution Prevention flan? ❑ No Q Yes
If yes, when was it implemented? The SPPP will be compietely implemented before the commencement of
operations
21) Are vehicle maintenance activities (VMA) occurring or planned at this facility? Q No ❑Yes
If yes, does your VMA area discharge into your wastewater treatment device? ❑ No ❑ Yes
Other/Permitting:
22) Does this facility have a Division of Land Resources Erosion & Sedimentation Control (E&SC) Permit?
❑ No Q Yes
If yes, list the permit numbers for all current E&SC permits for this facility: Permit will be issued by Iredell
County before the commencement of construction.
23) Is your facility subject to Phase II Post -Construction Area? ❑ Yes Q No
If yes, who is the permitting authority?
24) Is your facility located in one of the 20 Coastal Counties? ❑ Yes Q No
Is your facility adding more than 10,000 ft2 of built -upon area or CAMA Major Permit? ❑ Yes ✓l No
Page 5 of 7
SWU-229-07122011 Last revised 712114

NCG140000 N.O.I.
25) Is your facility discharging wastewater (treated or untreated) such as water from wetting of aggregate piles,
drum rinse -out, or vehicle and equipment cleaning to a stormwater BMP? Q No ❑ Yes
If yes, please attach your approval from the permitting authority to do so.
26) Does this facility have any other NPDES permits? ❑ No F1 Yes
If yes, list the permit numbers for all current NPDES permits for this facility: NPDES Construction Permit is being
applied for in Iredell County
27) Does this facility have any Non -Discharge permits (ex: recycle permits)? 0 No ❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
28) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
0 No ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
Q No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
0 No ❑ Yes
d) Type(s) of waste: used oil
How is material stored: in_ one (1) 75-gallon self contained double wall plastic tank
Where is material stored: in tank near the parts trailer
How many disposal shipments per year: one 1
Name of transport / disposal vendor: Safety-Kleen
Vendor address: 2320 Yadkin Ave, Charlotte, NC 28205
Final Checklist
This application will be returned as incomplete unless all of the following items have been included:
0 Check for $100 made payable to NCDENR.
0 This completed application and all supporting documentation. See Question 10.
If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR)
or local designee: documentation verifying applicant has developed and submitted that Plan to the
governing agency (required per 15A NCAC 02H .0138).
Two (2) site plans depicting the site plan with numbered outfalls which indicate stormwater and wastewater
1� outfalls. See Question 10.
d A county map or USGS quad sheet with location of facility clearly marked.
29) Signatory Requirements (per 40 CFR 122.22)
All applications, reports, or information submitted to the Director shall be signed and certified.
a. All notices of intent to be covered under this General Permit shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this permit, a responsible corporate officer means: (a) a president,
secretary, treasurer or vice president of the corporation in charge of a principal business function, or any other person who performs similar
policy or decision making functions for the corporation, or (b) the manager of one or more manufacturing production or operating facilities
employing more than 250 persons or having gross annual sales or expenditures exceeding 25 million (in second quarter 1980 dollars), if
authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
(2) For a partnership or sole proprietorship; by a general partner or the proprietor, respectively; or
(3) For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official.
Page 6 of 7
SWU-229-07122011 Last revised 7/2114

NCG140000 N.O.I.
Certification: North Carolina General Statute 143-215.6 B(i) provides that:
Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document
filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material
fad in a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording
or monitoring device or method required to be operated or maintained under this Article or rules of the [Environmental Management] Commission -
implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000).
I hereby request coverage under the referenced General Permit. I understand that coverage under this permit will
constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual
permit.
I certify that I am familiar with the information contained in this application and that to the best of my knowledge
and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Sonia Sundstedt
Title: _ Corp.
of Applicant)
8/10116
(Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to: NCDENR
Mail the entire package to:
Stormwater Permitting Unit Progiam
Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
For questions, please contact the DEMLR Regional Office for your area.
€lEMLR Regional Office Contact Information:
Asheville Office ...... [phone]
Fayetteville Office ...
[phone]
Mooresville Office ...
[phone]
Raleigh Office ........
[phone]
Washington Office ...(252)
946-6481
Wilmington Office ...
[phone]
Winston-Salem ......
[phone]
Central Office .........
[phone]
Page 8 of 7
SWU-229-07122011 Last revised 712J14

Attachment A
NCG140000 N.O.I. Additional Information for Questions
McCarthy Improvement Company, Inc.
McCarthy Iredell County Concrete Batch Plant
8) Description of Industrial Activities
The proposed facility is a temporary concrete batch plant that will be located a portion of a 60.6 acre parcel
owned by Stewart Holding NC, LLC located at 2299 Turnersburg Highway in Iredell County. McCarthy will
lease approximately 1.6 acres of the parcel. The parcel was previous occupied by a carpet manufacturing plant.
In approximately 2010 the building housing that facility was demolished leaving a large concrete slab and a small
building on the parcel. McCarthy Improvement Company is leasing the area located between the slab and
Turnersburg Highway as delineated on the attached site plans.. The concrete batch plant is being installed to
provide concrete for a repaving project on Highway 21/Turnersburg Highway.
12) Type of Wastewater
A combination of wastewater and stormwater will be discharged from this facility's outfall intermittently during
the approximately 3 months the plant is expected to be located at this site. Wastewater will be comingled with
stormwater only when the plant is in operation. The plant is expected to be in operation 40 days at this site. On
the days the plant is operating the wastewater described below will be generated.
The concrete mixing drum will be washed out once per day when operating. Washing the drum will produce an
estimated 800 gallons of wastewater per day.
A lawn sprinkler and hose will be used for wetting the aggregate stockpile. The sprinkler will be rotated around
the stockpile during the day to cover all parts of the pile. Wetting the aggregate stockpile is conducted to produce
an evaporative cooling of the stone. The evaporation of the water during this sprinkling process reduces the
volume of water that ultimately flows away from the stockpile. Wetting is not used on the sand stockpile. Per
DOT specifications both the aggregate and sand are washed prior to being delivered to the site, reducing the
potential fines in the runoff of the stormwater/wastewater mixture from the area covered by the stockpiles.
The plant anticipates using 15 trucks to deliver concrete to the paving site and each truck will washout up to 12
times per day. Each washout will use approximately 50 gallons of water. The anticipated volume of wash water
generated will be approximately 9,000 gallons per day, which will be contained and recycled through a series of
three settling pits. The total holding capacity of the settling pits will be approximately 90,000 gallons. The waste
water will be recycled as washout water and for dust suppression on the vehicle travel routes on the site.
16) Recycling system
This plant will be using a series of three settling pits to treat and recycle the washout water from the truck bed
washout area. The plant anticipates using 15 trucks to deliver concrete to the paving site and each truck will
washout up to 12 times per day. Each washout will use approximately 50 gallons of water. The anticipated
volume of wash water generated will be approximately 9,000 gallons per day, which will be contained and
recycled through the settling pits. The total holding capacity of the settling pits will be approximately 90,000
gallons. The waste water will be recycled as washout water and for dust suppression on the vehicle travel routes
on the site.
A Freeboard of 6 inches will maintained in the settling pits at all times, which would accommodate the rainfall
from a 10 year (5 inches) or 25 year (5.5 inches) storm event.

18) Wastewater Treatment Alternatives Review
c) Closed -loop Recycling System (15A NCAC 2T .1000)
(2) Construction of a CLRS meeting NC standards 15A NCAC 2T .1000 is not technologically feasible.
The small size of the site does not provide the space necessary to construct the CLRS to meet the NC
standards.
(3) The plant will be located at this site for approximately 3 months; it will only operate approximately
40 days during that time. The limited operational time at the site does not justify the expense of
constructing the CLRS. Additionally, this project, as with most similar projects, has a fairly short lead
time and the six months or more that would be necessary for the design, approval, and installation of a
CLRS is not available.
(4) The time and disruption of constructed infrastructure required for the design, approval, and
installation of a closed -loop recycling system that will be utilized for the treatment of a limited amount of
wastewater generated no more than 40 days over the three months the plant will be at this location cannot
be justified.
(d) Surface or Subsurface Disposal Systems
(i) Wastewater from the settling pits will be used for dust suppression and a detention pond equipped
with a surface skimmer will reduce solids in the water discharged to the surface.
(ii) Water from the settling pits will be recycled as washout water and for dust suppression. In addition
any wastewater that escapes the settling pits will be contained within a detention pond which will allow a
significant portion of the suspended solids to settle out before being discharged to the surface.
(iii) Both methods of surface disposal are feasible and will be implemented.
19) Best Management Practices (BMP)
(1) Perimeter containment/diversionary berms along the north and east edges of the site will direct the combined
stormwater and wastewater discharges to the detention pond.
(2) A detention pond at the southeast corner of the site will contain the combined stormwater and wastewater to
allow a significant portion of the suspended solids to settle out of the water before being discharged.
(3) Storm water from the undisturbed north and west portions of the parcel will bypass the site by flowing through
an existing drainage channel to the north and east of the site. This drainage channel will be outside of the
disturbed area and will maintain its pre -development routing.
(4) The perimeter diversionary berm along the north edge of the site will assure that storm water in the channel
bypasses the site. This will prevent the combination of stormwater and wastewater discharges from this site from
commingling with stormwater from the adjacent undisturbed areas north and west of the site.
(5) A containment berm along the roadside ditch to the south of the site will direct storm water and wastewater
runoff to the detention pond.
(6) Sediment fence will be installed along the north, south, and east edges of the site to the outside of the
containment berms. Fencing will be installed, monitored, and maintained according the to practice standards and
specifications contained in the North Carolina Erosion and Sediment Control Planning and Design Manual
(section 6.62).
(7) All disturbed surfaces within the site boundaries will be stabilized with 4 to 6 inches of graded aggregate base
(GAB) or permanent vegetation.
(8) All parts and maintenance oil, grease, and fluids will be stored inside the parts trailer at all times.
(9) Used oil from minor maintenance is stored in a 75-gallon double -wall tank.
(10) Fuel oil for the material handling equipment will be contained in a 1,000 gallon double -wall tank. Fuel oil
for the electric generator used to power the plant will be stored in a 1,000 double -wall tank located inside the
trailer housing the generator. All employees will receive training in the proper dispensing, spill prevention, and
spill response procedures.

Attachment B — Description of Processes Producing Wastewater
Three processes at this facility will potentially contribute wastewater to the effluent from the outfall.
Wastewater Source 1:
Wastewater Source I is the concrete batch plant drum. The drum on the plant will be washed out once
per day on days he plant is operational. The plant is expected to operate approximately 40 days during
the two to three months the plant is expected to operate at this location. The wastewater produced from
the daily washout is approximately 800 gallons.
Wastewater Source 2:
Wastewater Source 2 is the truck bed washout used to washout the beds of the dump trucks used to
transport the concrete to the location being paved. The plant anticipates using 15 trucks on this project
and each truck will washout up to twelve times per day when the plant is operating. Each washout will
use approximately 50 gallons of water. The anticipated volume of wash water generated will be
approximately 9,000 gallons per day, which will be contained and recycled through a series of three pits
designed to allow suspended particles to settle out of the wash water. The combined holding capacity of
the pits is approximately 90,000 gallons. The water in the third pit will be recycled as wash water or used
for dust suppression on the site. Solids will be removed from the pits when they occupy one half of the
designed holding capacity of the pit. The solids are dried and disposed of in an industrial solid waste
facility. Wastewater spilled or leaked from the recycling system or the washout area would flow to the
detention pond and ultimately be discharged to the surface.
Wastewater Source 3:
Wastewater Source 3 includes the aggregate and sand stockpiles. The aggregate stockpile wilt be wetted
using a lawn sprinkler and hose. The sprinkler will be rotated around the stockpile during the day to
cover all parts of the pile. Wetting the aggregate stockpile is done to produce an evaporative cooling of
the stone. The evaporation of the water during this sprinkling process reduces the volume of water that
ultimately flows away from the stockpile. Wetting is not used on the sand stockpile. Per DOT
specifications both the aggregate and sand are washed prior to being delivered to the site, reducing the
potential fines in stormwater runoff from the area covered by the stockpiles. Wetting of the aggregate
stockpile will be conducted up to 24 hours per day when the plant is operating. The wastewater from the
aggregate stockpile will consist of water from the wetting of the stone and stormwater that falls on the
pile. Wastewater from the sand stockpile will consist of only stormwater that falls on the pile.
Stormwater and wastewater from both stockpiles will flow to the detention pond and ultimately be
discharged to the surface.

Erosion and Sedimentation Control Plan
Technical Report
For
McCarthy Improvement Iredell County Concrete Plant
2289 Turnersburg Highway
Statesville, GA 28625
Operator
McCarthy Improvement Company
590 Means Street NW, Suite 100
Atlanta, GA 30318
Prepared by:
Terra Consulting, LLC
P.O. Box 1738
Carrollton, GA 30112

Table of Contents
1.0
Project Description.................................................................................. 3
2.0
Site Description...................................................................................... 3
2.1 Pre -development Conditions.............................................................. 3
2.2 Receiving Waters........................................................................... 4
2.3 Wetlands..................................................................................... 4
2.4 Flood Zone.................................................................................. 4
2.5 Soil Types................................................................. ................ 4
2.6 Development Plan.......................................................................... 4
3.0
Hydrologic Analysis................................................................................. 5
4.0
Construction Sequence/Schedule.................................................................. 5
5.0
Vegetative Plan ...................................................................................... 6
6.0
Storm Water Discharge Data....................................................................... 7
Appendices
Appendix A Financial Responsibility 1 Ownership Form
Property Owners Consent
Property Deed
Appendix B Supporting Calculations:
Faircloth Surface Skimmer Sizing Spreadsheet
NCDENR Selection of Sediment Control Measure Spreadsheet
NCDENR Skimmer Basin Sizing Spreadsheet
Appendix C Hydrologic Analysis
Predevelopment
Post -development

Design Professional Certification
Eric G. Wapman, P.E. Georgia No. 033607

`�'
�•�
� t
14

1.0 Project Description
The purpose of this project in to install a portable concrete batch plant on leased property
located at 2289 Turnersburg Highway, in Iredell County. The completed site will be occupied
by the concrete batch plant, two aggregate stockpiles, one sand stockpile, two cement storage
trailers, one fly ash storage trailer, a control trailer, and a truck bed washout area with three
settling pits to contain the wash water. The concrete batch plant is being installed to provide
concrete for a repaving project on Highway 21/Turnersburg Highway. Once completed, the
batch plant is expected to operate at this site for approximately three months. The property
owner has requested that the aggregate be left in place when the plant is removed from the site
at the conclusion of the paving project.
An area of the subject parcel consisting of approximately 0.7 acres to the west of the asphalt
drive used to access the proposed site will be occupied by an office trailer, two lab trailers, and
a storage area for steel rebar for the paving project. This area is not considered a part of the
proposed construction site.
2.0 Site Description
2.1 Predevelopment Conditions
McCarthy Improvement Company will lease approximately 1.6 acres of the 60.6 acre parcel.
The parcel was previous occupied by a carpet manufacturing plant. In approximately 2010 the
building housing that facility was demolished leaving a large concrete slab, an asphalt
driveway, and a small building on the parcel. The portions of the parcel not covered by
concrete or asphalt are covered by grass. McCarthy Improvement Company is leasing the area
located between the slab and Turnersburg Highway as delineated on the attached site plans.
Runoff from the 5.4 acre drainage area that includes the proposed construction site currently
flows to a drainage swale located approximately fifty feet south of the large concrete slab. The
runoff flows to the east then to the south and enters a concrete flume adjacent to the highway
which discharges to the roadside ditch on the north side of Turnersburg Highway then flows to
the east. Approximately 100 feet to the east the runoff enters a culvert under the highway.
The subject parcel and all adjacent parcels are currently zoned M2. The parcel immediately to
the west is currently occupied by Turnersburg Auto Salvage. All other adjacent parcels are
undeveloped.
The property lines of the 60.6 acre parcel are not located within the areas delineated for this
proposed project.
3

2.2 Receiving Waters
The receiving waters for the runoff from this site are the waters of Rocky Creek which marks
the eastern boundary of the parcel and is approximately 300 feet from the eastern boundary of
the proposed site. Rocky Creek is located within the Yadkin Pee -Dee River Basin and has a
classification of "C". Rocky Creek is not listed in the 2014 NCDENR 303(d) list of impaired
streams.
The proposed site is not located within a High Water Quality Zone.
2.3 Wetlands
There are no wetlands located on the proposed site. During the years that the carpet
manufacturing plant operated on this property a concrete lined cooling pond occupied a portion
of the proposed site. The area occupied by the cooling pond is classified on the National
Wetland Inventory as a freshwater pond wetland. However, the area has been reviewed by
Roberto Scheller of the NC Water Resources Department and he determined that the area
should not be considered a wetland and should not impact the proposed development or
operations.
2.4 Flood Zone
Iredell County Flood Hazard Map No. 3710476900J, Panel No. 4769 identified the proposed
site as being located in a Flood Zone X — Minimal Flood Risk.
2.5 Soil Types
Soils types located on the site have been identified by the NRCS Web Soil Survey as
Udorthents, loamy, 0 to 25 percent slope and Urban land. Soil types are delineated on the Sheet
C.001 - Existing Conditions of the Erosion and Sediment Control Plan.
2.6 Development Plan
The predevelopment drainage area which includes the proposed site consists of approximately
5.4 acres. The 3.9 acres of the predevelopment drainage area that are not to be disturbed will
by-pass the site by flowing into a drainage swale that currently drains this drainage area. The
runoff will continue to flow to the east and south through the existing drainage channel and
enter the concrete flume adjacent to the highway which discharges to the road side drainage
ditch on the north side of Turnersburg Highway then flows to the east. Approximately 100 feet
to the east the runoff enters a culvert under the highway. Approximately of 0.7 acres of this
area located to west of the asphalt access drive will be covered with aggregate and will be
occupied by an office trailer, two lab trailers, and a storage area for steel rebar for the paving
project. This area is not considered a part of the proposed construction site.
The developed portion of the site will consist of 1.6 acres of the parcel east of the access drive
and south of the concrete slab from the carpet manufacturing plant that previously occupied the
parcel. On the 1.5 acres to be disturbed the surface will be lightly graded to provide a level
4

surface for the concrete plant and auxiliary equipment as well as direct all surface flow to the
skimmer basin to be installed. The skimmer basin will be installed as detailed in the Erosion
and Sedimentation Control Plan also submitted. Sediment fencing (silt fence) will be installed
at the perimeter of the disturbed area. A concrete slab will be installed for the plant and all
remaining disturbed areas will be stabilized with a four to six inch layer of aggregate or
permanent vegetation.
Discharge from the skimmer will discharge to the existing drainage channel approximately 10
feet upstream of the concrete flume. Discharge from the basin spillway will discharge to the
roadside drainage ditch upstream of the discharge point of the existing drainage channel.
3.0 Hydrologic Analysis
The predevelopment and post development drainage basins and receiving waters were
determined using the survey prepared at one foot intervals by Ted Benbow Land Surveying of
Statesville, North Carolina in July of 2016. Runoff hydrographs for 2 and 10 year 24-hour type
lI storm events were developed using the SCS Method using HydroCAD Version 10.00-18
modeling software. Pre -development and post -development reports are located in Appendix C.
4.0 Construction Sequence/Schedule
1. Obtain E&SC Plan approval
2. Flag work limits
3. Hold preconstruction conference
4. Install sediment basin as first construction activity
5. Install Surface Skimmer and outlet
6. Construct containment and diversionary berms
7. Install construction entrance/exits
8. Grade site within disturbed area limits
9. Install aggregate cover on all surfaces to be covered within 14 days of disturbance
10. Install permanent vegetation on all surfaces not covered with aggregate
It. All erosion and sediment control practices will be inspected weekly and after rainfall events
12. All erosion and sediment control practices will be maintained for the duration of the project
13. At the conclusion of the project al temporary control measures will be removed

5.0 Vegetative Plan
Permanent vegetation will be seeded on all disturbed areas of the site not stabilized with
aggregate (GAB) or riprap (approximately 0.2 Acres).
Seedbed Preparation:
l . All areas will be seeded with a hydraulic seeder.
2. Leave the last 4 to 6 inches of fill loose and uncompacted. Allow rocks, roots, large clods and other
debris to remain.
3. Roughen slope surfaces by making grooves 2 to 3 inches deep, perpendicular to the slope.
4. Spread lime evenly over the area as recommended by soil test.
Seeding Method:
Use hydraulic seeding equipment to apply seed, fertilizer, wood fiber mulch at 45 lbs/l,000 ftz,
and a mulch tackifer.
Seeding Mixture:
Tall fescue
100 lb/A
Kobe lespedeza
10 lb/A
Bahiagrass
25 lb/A
Rye grass
401b/A
Maintenance:
Refertilize in late winter or early spring the following year. Mow as desired.

6.0 Storm Water Discharge Data
Total Parcel Area
60.6 A
Predevelo ment drainage area
5.4 A
Post -development disturbed area
1.5 A
Post -development by-pass area
3.9 A
Peak Flow Into Skimmer Basin
12.74 cfs
Basin discharge - skimmer Qjo
O.Olcfs
Basin discharge - spillway Q10
9.14 cfs
Basin discharge - skimmer Q10
0.13 ft/sec
Basin discharge - spillway Qio
1.65 ft/sec
By-pass area Q t o
10.71 cfs
Basin len th at spillway_
88 ft
Basin width at spillway
44 ft
Basin depth at spillway
2 ft
Basin inside side slope ratio
2:1
elevation
821.5
—Spillway
width
8 ft
—Spillway
Spillway length
13 ft
Spillway Depth
1.5 ft
Max depth of flow over spillway
10 r
0.4 ft
Skimmer size
1.5 in
Skimmer orifice
1.1 in
Dewatering time for required
volume
3.1 days

Hppenaix A
Financial Responsibility / Ownership Form
Property Owner Consent
Property Deed

"4,

FINANCIAL RESPONSIBILITYIOWNERSHIP FORM
EROSION & SEDIMENTATION CONTROL
No person may initiate any land -disturbing activity on one or more acres, '/z acre or more inside a watershed, as covered by the
Sedimentation Pollution Control Act and the Iredell County Land Development Code, before this form and an acceptable erosion
and sedimentation control plan have been submitted and approved by the Iredell County Development Services, Planning Division -
Erosion Control Section. (Please type or print.)
Part A.
1. Project Name McCarthy - Iredell County Project Portable Concrete Batch Plant
2. Location of land -disturbing activity: County Iredell City or Township Olin
Highway/Street Turnersburg Hwy US 21 Latitude 35-54-30,80 N Longitude 80-48-39.03 W
3. Approximate date land -disturbing activity will commence: Scptcmbcr 1, 2016
4, Purpose of development (residential, commercial, industrial, institutional, etc.): Industrial (Temporary)
5. Total acreage disturbed or uncovered (including off -site borrow and waste areas): +/- 6 Ac.
6. Amount of fee enclosed: $ . An application fee of $175.00 per acre (rounded up to the next acre) is
assessed without a ceiling amount (Example: a 9-acre application fee is $1575), For projects > than .5 acre but < 1.0 acre
in a water supply watershed, a flat fee of $135.00 is assessed.
7. Has an erosion and sediment control plan been filed? Yes No Enclosed Yes
8. Person to contact should erosion and sediment control issues arise during land -disturbing activity:
Name Warren F. Baker E-mail Address wbaker�mecarthyimprovement.com
Telephone [phone] Cell # 864-630-3631 Fax # [phone]
9. Landowner(s) of Record (attach accompanied page to list additional owners):
Stewart Holdings NC - LLC 704-903-8212
Name Telephone Fax Number
451 Linden Loop _
Current Mailing Address Current Street Address
Stony Point _ NC 28678
City State Zip City State Zip
W. Deed Book No. 2146 Page No. 2223 Provide a copy of the most current deed. (3 Pages Attached)
Part B.
1. Person(s) or firm(s) who are financially responsible for the land -disturbing activity (Provide a comprehensive list of all
responsible parties on an attached sheet):
McCarthy Improvement Company [e-mail]
Name E-mail Address
590 Means Street, NW, Suite 100
Current Mailing Address
Atlanta GA 30318
City State Zip
Telephone [phone]
same
Current Street Address
City State ZIP
Fax Number 404-761-4764
Page 1 of 2

2. (a) If the Financially Responsible Party is not a resident of North Carolina, give name and street address of the designated
North Carolina Agent
Name
Current Mailing Address
City
Telephone,
E-mail Address
Current Street Address
State Zip City State
Fax Number
Zip
(b) If the Financially Responsible Party is a Partnership or other person engaging in business under an assumed name, attach
a copy of the Certificate of Assumed Name. If the Financially Responsible Party is a Corporation, give name and street
address of the Registered Agent:
Corporation Service Company compliancemail©eseglobal.com
Name of Registered Agent E-mail Address
327 Hillsborough Street 327 Hillsborough Street
Current Mailing Address Current Street Address
Raleigh, NC 27603 Raleigh, NC 27603
City State Zip City State Zip
Telephone [phone] Fax Number 850-555-1515
The above information is true and correct to the best of my knowledge and belief and was provided by me under oath (This form
must be signed by the Financially Responsible Person if an individual or his attorney -in -fact, or if not an individual, by an officer,
director, partner, or registered agent with the authority to execute instruments for the Financially Responsible Person). I agree to
provide corrected information should there by any change in the information provided herein.
Sonia L. Sun_
Type or p nt Qeme
i
ature
Corporate Secretary
Title or Authority
8/10/16
Date
nC- ' S eot)i;:�, a Notary Public of the County of
n
�•n.CTi
State of Iowa, hereby certify that Sb 1'1 i ¢, Surf 5 iezt _ appeared personally before me this day
and being duly sworn .acknowledged that the above form was executed by him.
Witness my hand and notarial seal, this is day of Aur, Z20
r,
N ota ry
Seal
FRANCE5 M. COOK
Commission Number 793600
My Commission Expires
°" December 15, 2016
My commission expires OC C 1 S' aN 4.
Page 2 of 2

August 23, 2016
To Whom It May Concern:
I, Gary Stewart, the undersigned, am the owner/agent of record for f/- 6 Acres of property
currently under lease to Jimmy R. Lynch & Sons, Inc. located in Olin Township of Iredell County, NC on
Turnersburg Hwy as described in Deed Book 2146, Page 2223, and located at approximately 35-54-30.80
North and 80-48-39.03 West. I have willingly entered into that lease agreement knowing that the
express purpose for leasing the property, was in order to allow, McCarthy Improvement Company, a
subcontractor of the lessee, to stockpile materials, and erect and operate a Portable Concrete Batch
Plant to manufacture and supply concrete to a NCDOT Rest Area Project under construction within the
Right of Way of 1-77 approximately 6.5 miles North of the 1-40 Interchange. I therefore by signing this
document give my express permission, to McCarthy Improvement Company, to erect and operate a
concrete batch plant as agreed on the above described property. It is also agreed that the property shall
be restored to its previous condition with the exception of those items specifically listed below, once
construction activities on the Rest Area have been completed.
Exceptions:
By My Hand:
Gary Stewart
Date:
Witness:

REVENUE STAMPS: $750.00
E.doo To.
Parcel Identifier No. 4769 31 9210.000
Mall after recording to GRANTEE
Type: CRP
Recorded: 11/21/2011 2:04:5S PM
Pee Amt: $776.00 Page 1 of 3
Revenue Tax: $750.00
Iredell County, NC
Matthew J_ McCall Register of Deeds
BK 2146 PG 2223 - 2225
ReColdn Tl�o. Book Peg,
This instrument was prepared by ......L. RAGAN DUDLEY, Atty at law, 3" East Broad Street, Statesville, NC 28677...
NORTH CAROLINA GENERAL WARRANTY DEED 3
This DEED made this 15th day of November, 2011. by and between
GRANTORS)
HAMPTON CAPITAL PARTNERS, LLC,
a Virginia limited (!ability company
Mailing Address:
i,701 Orchard Avenue
Rocky Mount, VA 24151
GRANTEE(S)
STEWART MOLDINGS NC, LLC,
a North Carolina limited liability company
Mailing Address:
151 Linden Loop
Stony Point, NC 28678
The designation Grantor and Grantee as used herein shall Include said parties, thelrheirs, 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 bythese presents does grant, bargain, sell and convey unto the Grantee in fee simple, all that certain
lot or parcel of land situated In the City of Turnersburg, Olin Township, Iredeil County, North Carolina, and more particularly
described as follows:
SEE ATTACHED EXHIBIT 'A'
Book: 2146 Page: 2223 Page 1 of 3

The property herein above described was acquired by Grantor by Instrument recorded in Deed Book 1480. Pape 569,
tredetl County Registry, A map showing the above described property is recorded In Plat Book , Page .
TO HAVE AND TO HOLD the aforesaid lot or parcel of land and oil privileges and appurtenances thereto belonging
the Grantee in fee simple,
AND THE GRANTOR covenants with the Grantee, that Grantor Is seized of the premises in fee simple, has the righl
to convey the same In fee simple, that title is marketable and (roe and clear of all encumbrances, and that Grantor will warrant
and derend the title against the lawfut ctalms of all persons whomsoever except far the exceptions hereinafter stated. Title
to the properly herelnabove described is subject to the following exceptions:
Easements, rights of way and restrictions of record, if any,
IN WITNESS WHEREOF, the Grantor has duty executed the foregoing as of the day and year first above written.
Hampton Capital Partners, LLC C�
BY: - �"-�- �C�G�t� ISEAL)
Phillip C. Essig, Chief Executive Office
BY' /(SEAL)
Robert R. Delumyea, Treasurer
VIRGINIA - J� b66{fNFi
.31 61, _ L � k a Notary Public of the State and eGeuAfy aforesaid, do hereby
certify that PHILLIP C. ESSIG, Chief Executive Officer of HAMPTON CAPITAL PARTNERS, LLC,
personally came before me this day and acknowledged that he is Chief Executive Officer of HAMPTON
CAPITAL PARTNERS, LLC and acknowledged on behalf of HAMPTON CAPITAL PARTNERS, LLC, the
grantor, the due execution of the foregoing instrument.
Witness my hand and official stamp or seat, this the 4� day of November, 2011.
ZE5 14
Notary Public
My Comm ission Expires: FSSIE B, VALLIAMS
S EAL.S TAMP NOTARY PUMM
My
cammamwanh dt vlrom
Gbrn o& tt2256t9
VIRGINIA�oa,�s�Ce �684�ftFY
I, I E ilyJ ul ►yrrrs , a Notary Public of the State and U47aforesaid, do hereby certify
trial ROBERT R. DELUMYEA, Treasurer of HAMPTON CAPITAL PARTNERS, LLC, personalty came before
me this day and acknowledged that he is Treasurerof HAMPTON CAPITAL PARTNERS, LLC and acknowledged
on behalf of HAMPTON CAPITAL PARTNERS, LLC, the grantor, the due execution of the foregoing instrument.
Witness my hand and official stamp or seal, this the 1p'r day of November, 2011.
Notary Public
My Commission Expires: BESSIE EL WUTAli SNOTARY PUBW
.
SEAL -STAMP Flog. i72S819
b
I �0
Book: 2146 Page: 2223 Page 2 of 3

EXHIBIT "A`
Being all of that certain tract or parcel of land in fredeff County, North Carolina in Olin Township, and more
particularly described as follows:
BEGINNING at an existing iron pipe located on the west side of end bent northeast comer of old U.S. Highway
21 bridge, said existing iron pipe being the southeast comer of Marvin J. Gooden (Deed Book 345, Page 480) and
being in the line of C. Wilson White et al. (Deed Book 724, Page 756); thence with said Wilson White Property
three (3) lines: (1) South 16 degrees 10 minutes 11 seconds East 36.72 feet to an existing iron pipe on the west
side of said end bent, (2) South 04 degrees 52 minutes 12 seconds Fast 72.09 feet to an existing iron pipe, (3)
South 33 degrees 29 minutes 29 seconds East 159.61 feet (passing an existing Iron pipe at 109.61 feet) to a point
in the center of Rocky Creek In the line of Ronald Gooden (Deed Book 473, Page 264); thence, five (5) lines in
the center of Rocky Creek and with said Gooden property: (1) South 52 degrees 19 minutes 05 seconds West
247.03 feet, (2) South 65 degrees 37 minutes 21 seconds West 200.00 feet, (3) South 53 degrees 09 minutes 27
seconds West 200.00 feet, (4) South 35 degrees 02 minutes 58 seconds West 150.00 feet, (5) South 12 degrees
27 minutes 30 seconds West 65.00 feet to a point intersecting the center of Rocky Creek and Bell's Branch, said
point also being the northeast corner of Dorothy H. Rash (85E, Page 01 Will); thence eleven (11) lines along the
center of Bell's Branch and said Rash Property: (1) North 62 degrees 46 minutes 59 seconds West 108.72 feet,
(2) North 72 degrees 04 minutes 03 seconds West 30.54 feet, (3) South 76 degrees 51 minutes 08 seconds West
67.75 feet, (4) South 24 degrees 09 minutes 37 seconds West 35.49 feet, (5) South 18 degrees 11 minutes 45
seconds East 49.34 feet, (6) South 30 degrees 26 minutes 41 seconds West 75.66 feet, (7) South 75 degrees 36
minutes 30 seconds West 149.44'feet, (8) South 32 degrees 52 minutes 53 seconds West 106.80 feet, (9) South
68 degrees 20 minutes 48 seconds West 154.00 feet, (10) South 81 degrees 54 minutes 52 seconds West 97,31
feet, (11) North 83 degrees 55 minutes 41 seconds West 187,81 feet (passing the comer of Sherrill D. Shaver,
Deed Book 779, Page 936) to an existing iron pipe; thence with said Shaver Property North 09 degrees 54 minutes
20 seconds West854.45 feet (passing U.S. Highway 21) to a concrete monument on the north right of way line
of U.S. Highway 21, said concrete monument also being the southeast comer of Clyde W. Bottoms (Deed Book
583, Page 207), thence, with said Bottom's Property North 05 degrees 00 minutes 15 seconds West 808.00 feet
to an existing iron pipe, said existing iron pipe being the southeast comer of tredell Livestock Company (Deed
Book 638, Page 646); thence with said Iredell Livestock Company Property two (2) lines, (1) North 05 degrees
15 minutes 54 seconds West 834.69 feet to an existing iron pipe, (2) North 84 degrees 43 minutes 43 seconds
East 181.70 feet to an existing iron pipe, said existing iron pipe being on the southwest side of Rocky Creek, said
existing iron pipe also being the southwest comer of Arlin E. Buttke (Deed Book 663, Page 999); thence, with said
Buttke Property South 48 degrees 37 minutes 55 seconds East 331.07 feet to a point In the center of Rocky
Creek; thence with the center of Rocky Creek and the lines of said Buttke Property, Patrick D. Waldron (Deed
Book 732, Page 691) and Clyde D. Jenkins (Deed Book 460, Page 91) twelve (12) lines: (1) North 85 degrees 37
minutes 26 seconds East 200.00 feet, (2) North 50 degrees 03 minutes 00 seconds East 290.00 feet, (3) North
71 degrees 09 minutes 36 seconds East 400.00 feet, (4) North 81 degrees 49 minutes 57 seconds East 500.00
feet, (5) South 61 degrees 04 minutes 20 seconds East 200.00 feet, (6) South 05 degrees 32 minutes 18 seconds
East 100.00 feet, (7) South 28 degrees 05 minutes 31 seconds West 100.00 feet, (8) South 53 degrees 25
minutes 03 seconds West 500.00 feet, (9) South 37 degrees 27 minutes 26 seconds West 200.00 feet, (10) South
07 degrees 45 minutes 10 seconds West 200.00 feet, (11) South 26 degrees 10 minutes 57 seconds East 400.00
feet, (12) South 29 degrees 28 minutes 55 seconds East 78.46 feet to a point in the center of Rocky Creek, said
point also being the northwest comer of Marvin J. Gooden (Deed Book 345, Page 480); thence with said Gooden
Property, five (5) lines: (1) South 01 degrees 25 minutes 07 seconds East 125.24 feet (crossing U.S. Highway 21)
to an existing iron pipe, (2) South 05 degrees 24 minutes 01 seconds East 102.18 feet to an existing iron pipe,
(3) South 87 degrees 25 minutes 25 seconds East 5.34 feet to an existing iron pipe, (4) South 01 degrees 06
minutes 21 seconds West 121.58 feet to an existing iron pipe, (5) North 79 degrees 45 minutes 13 seconds East
162.59 feet to the POINT OF BEGINNING, containing approximately 75.3533 acres (3,282,388 square feet), all
as shown on that certain survey entitled ALTAfACSM Land 'title Survey of the J.P.S. Acquisition Carpet Corp.,"
prepared by Concord Engineering & Surveying Inc., dated August 15. 1990 and last revised August 28,1990 (Job
No. 089001-00007 ).
Book: 2146 Page: 2223 Page 3 of 3

Appenuix is
Supporting Calculation:
Faircloth Surface Skimmer Sizing Spreadsheet
NCDENR Selection of Sediment Control Measure Spreadsheet
NCDENR Skimmer Basin Sizing Spreadsheet

Faircloth Skimmer Sizing Spreadsheet for Required Volume
Required Volume = 1800 ft3 X 1.5 A = 2700 U
Calculate Skimmer Size
Basin Volume in Cubic Feet 2,700 Cu. Ft Skimmer Size 1.5 Inch
Days to Drain* 3 Days Orifice Radius 0.5, Inch[es]
Orifice Diameter 1.1 - Inch[es]
In NC assume 3 days to drain
Estimate Volume of Basin Length width
Top of water surface in feet Feet VOLUME 0 Cu. Ft.
Bottom dimensions in feet El Feet
Depth in feet Feet
I

North Carolina DENR
Selection of Sediment Control Measure
Total Drainage Area
Do Not Use Temporary Sediment Trap
Okay Skimmer Sediment Basin
Okay Temporary Sediment Basin
Disturbed Area (Acres)
Peak Flow from 10-year Storm (cfs)
Updated to comply with NPDES Permit Conditions
TGH and BRB 07/03/2012
- User entry
Calculated Value

North Carolina DENR
Skimmer Basin
Okay
Disturbed Area (Acres)
Peak Flow from 10-year Storm (cfs)
2700 Required Volume ft3
3175 Required Surface Area ft2
39.8 Suggested Width ft
79.7 Suggested Length ft
I44 Trial Top Width at Spillway Invert ft
88 Trial Top Length at Spillway Invert ft
3 Trial Side Slope Ratio ZA
2 Trial Depth ft (2 to 3.5 feet above grade)
32 Bottom Width ft
76 Bottom Length ft
2432 Bottom Area ft2
6256 Actual Volume ft3 Okay
3872 Actual Surface Area ft2 Okay
1s3 Trial Weir Length ft
9.5 Trial Depth of Flow ft
13.8 Spillway Capacity cfs Okay
1.5 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
Orifice Size (114 inch increments)
3.31 Dewatering Time (days)
Suggest about 3 days

Appendix C
Hydrologic Analysis:
Predevelopment
Post -development

-1-100

McCarthy Ij-edell Site
3P
Constant Flow/Skimmer
Basin
Sub4
Reach Pon L
ink
i
By-Pass Drainage Area

Iredell County Hydro_8-6-2016
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 2
Area Listing (all nodes)
Area
(acres)
CN
Description
(subcatchmen t-nurn bers)
2.326
69
50-75% Grass cover, Fair, HSG B (4S)
0.094
61
>75% Grass cover, Good, HSG B (4S)
0.732
85
Gravel roads, HSG B (4S)
1.321
96
Gravel surface, HSG B (1S)
0.815
98
Paved parking, HSG B (1S, 4S)
0.025
98
Unconnected pavement, HSG B (1S)
0.089
98
Water Surface, HSG B (1S)
5.401
83
TOTAL AREA

Iredell County Hydro_8-6-2016 Type 11 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
H droCAD® 10.00-18 sln 06725 © 2016 H droCAD Software Solutions LLC Page 3
Time span=1.00-144.00 hrs, dt=0.05 hrs, 2861 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: McCarthy Iredell Site Runoff Area=64,755 sf 11.10% Impervious Runoff Depth=2.85"
Flow Length=507' Tc=7.6 min CN=96 Runoff=6.31 cfs 0.353 of
Subcatchment 4S: By -Pass Drainage Area Runoff Area=170,529 sf 19.50% Impervious Runoff Depth=1.28"
Flow Length=2,718' Tc=22.2 min CN=77 Runoff=5.11 cfs 0.419 of
Pond 3P: Constant Flow/Skimmer Basin Peak Elev=821.76' Storage=7,733 cf Inflow=6.31 cfs 0.353 of
Primary=0.01 cfs 0.123 of Secondary=4.21 cfs 0.185 of Outflow=4.22 cfs 0.307 of
Total Runoff Area = 5.401 ac Runoff Volume = 0.772 of Average Runoff Depth = 1.71"
82.81% Pervious = 4.473 ac 17.19% Impervious = 0.929 ac

Iredell County Hydro_8-6-2016 Type II 24-hr 2 yr 24 hr Rainfall=3.30°
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 s/n 06725 © 2016 HydroCAD Software Solutions LLC Page 4
Summary for Subcatchment 1S: McCarthy Iredell Site
Runoff = 6.31 cfs @ 11.98 hrs, Volume= 0.353 af, Depth= 2.85"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Type II 24-hr 2 yr 24 hr Rainfall=3.30"
Area (sf) CN Descrintion
57,564
96
Gravel surface, HSG B
3,872
98
Water Surface, HSG B
1,085
98
Unconnected pavement, HSG B
2,234
98
Paved parking, HSG B _
64,755
96
Weighted Average
57,564
88.90% Pervious Area
7,191
11.10% Impervious Area
1,085
15.09% Unconnected
Tc Length
Slope
Velocity
Capacity Description
(min)_ (fee)
_(ftlft)_
_ (ftlsec)
(cfs)
0.9 100
0.0400
1.84
Sheet Flow, Sheet Flow
Smooth surfaces n= 0.011 P2= 3.30"
6.7 407
0.0025
1.02
Shallow Concentrated Flow, Shallow Concentrated Flow
Paved Kv= 20.3 fos
ra:�ll+rmM
Subcatchment 1S: McCarthy Iredell Site
Hydrograph
Q Runoff
Type i1-24�hr---
2 yr 24 Fir_ Rainfall=3;.3,0"
-r--------- ,----. ,
Runoff Area=64,.755;sf
Run off--Volume=b.353'af--.
Runoff Depth=2.85"
FloW-Le ngth=5 -
Tc=7S :min
==----=----=---- -- --- ---
CN=96
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140
Time (hours)

Iredell County Hydro_8-6-2016 Type 1124-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
H droCAD® 10.00-18 sln 06725 © 2016 H droCAD Software Solutions LLC Page 5
Hydrograph for Subcatchment 1 S: McCarthy Iredell Site
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
1.00
0.03
0.00
0.00
3.50
0.14
0.01
0.01
6.00
0.26
0.05
0.04
8.50
0.44
0.16
0.09
11.00
0.78
0.43
0.28
13.50
2.64
2.20
0.24
16.00
2.90
2.46
0.12
18.50
3.07
2.62
0.08
21.00
3.18
2.73
0.06
23.50
3.28
2.83
0.06
26.00
3.30
2.85
0.00
28.50
3.30
2.85
0.00
31.00
3.30
2.85
0.00
33.50
3.30
2.85
0.00
36.00
3.30
2.85
0.00
38.50
3.30
2.85
0.00
41.00
3.30
2.85
0.00
43.50
3.30
2.85
0.00
46.00
3.30
2.85
0.00
48.50
3.30
2.85
0.00
51.00
3.30
2.85
0.00
53.50
3.30
2.85
0.00
56.00
3.30
2.85
0.00
58.50
3.30
2.85
0.00
61.00
3.30
2.85
0.00
63.50
3.30
2.85
0.00
66.00
3.30
2.85
0.00
68.50
3.30
2.85
0.00
71.00
3.30
2.85
0.00
73.50
3.30
2.85
0.00
76.00
3.30
2.85
0.00
78.50
3.30
2.85
0.00
81.00
3.30
2.85
0.00
83.50
3.30
2.85
0.00
86.00
3.30
2.85
0.00
88.50
3.30
2.85
0.00
91.00
3.30
2.85
0.00
93.50
3.30
2.85
0.00
96.00
3.30
2.85
0.00
98.50
3.30
2.85
0.00
101.00
3.30
2.85
0.00
103.50
3.30
2.85
0.00
106.00
3.30
2.85
0.00
108.50
3.30
2.85
0.00
111.00
3.30
2.85
0.00
113.50
3.30
2.85
0.00
116.00
3.30
2.85
0.00
118.50
3.30
2.85
0.00
121.00
3.30
2.85
0.00
123.50
3.30
2.85
0.00
126.00
3.30
2.85
0.00
128.50
3.30
2.85
0.00
Time Precip, Excess Runoff
(hours)
(inches)
(inches)
(cfs)
131.00
3.30
2.85
0.00
133.50
3.30
2.85
0.00
136.00
3.30
2.85
0.00
138.50
3.30
2.85
0.00
141.00
3.30
2.85
0.00
143.50
3.30
2.85
0.00

Iredell County Hydro_8-6-2016 Type Il 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 6
Summary for Subcatchment 4S: By -Pass Drainage Area
Runoff = 5.11 cfs @ 12.16 hrs, Volume= 0.419 af, Depth= 1.28"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Type 11 24-hr 2 yr 24 hr Rainfall=3.30"
Area (sf) CN Descriotion
31,021
98 Paved parking, HSG B
101,334
69 50-75% Grass cover, Fair,
HSG B
2,234
98 Paved parking, HSG B
4,073
61 >75% Grass cover, Good, HSG B
31,867
85 Gravel roads HSG B
170,529
77 Weighted Average
137,274
80.50% Pervious Area
33,255
19.50% Impervious Area
Tc
Length
Slope Velocity Capacity
Description
(min)_
_ (feet)
(ft/ft) (ft/sec) (cfs)
8.6
300
0.2400 0.58
Sheet Flow, Sheet flow
Grass: Short n= 0.150 P2= 3.30"
3.2
208
0.0240 1.08
Shallow Concentrated Flow, Shallow concentrated flow
Short Grass Pasture Kv= 7.0 fps
1.9
660
0.0140 5.69 10.23
Channel Flow, Drive side ditch
Area= 1.8 sf Perim= 3.0' r= 0.60'
n= 0.022 Earth, clean & straight
8.5
1,550
0.0058 3.04 30A1
Channel Flow, large drainage channel
Area= 10.0 sf Perim= 22.0' r= 0.45'
n= 0.022 Earth. clean & straight
22.2 2,718 Total

Iredell County Hydro_8-6-2016 Type II 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 s/n 06725 C 2016 HydroCAD Software Solutions LLC Page 7
Subcatchment 4S: By -Pass Drainage Area
Hydrograph
! Runoff
5 Type 11 24-hr
2 yr 24 hr Rainfall=3.30"
4 Runoff Area=170,529 sf
Runoff Volume=0.419 of
0 ---r- -•- ---- �--- - ----.
3 Runoff Depth=1.28"
Flow Lenqth=2,718'
21 . I - .M . Tc=22.2 min
C N=77
1
0
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120125130135140
Time (hours)

Iredell County Hydro_8-6-2016 Type !! 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 s/n 06725 © 2016 HydroCAD Software Solutions LLC Page_8
Hydrograph for Subcatchment 4S: By -Pass Drainage Area
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
1.00
0.03
0.00
0.00
3.50
0.14
0.00
0.00
6.00
0.26
0.00
0.00
8.50
0.44
0.00
0.00
11.00
0.78
0.01
0.05
13.50
2.64
0.83
0.47
16.00
2.90
1.01
0.22
18.50
3.07
1.12
0.16
21.00
3.18
1.20
0.12
23.50
3.28
1.27
0.11
26.00
3.30
1.28
0.00
28.50
3.30
1.28
0.00
31.00
3.30
1.28
0.00
33.50
3.30
1.28
0,00
36.00
3.30
1.28
0.00
38.50
3.30
1.28
0.00
41.00
3.30
1.28
0,00
43.50
3.30
1.28
0.00
46.00
330
1.28
0.00
48.50
3.30
1.28
0.00
51.00
3.30
1.28
000
53.50
3.30
1.28
0.00
56.00
3.30
1.28
coo
58.50
3.30
1.28
0.00
61.00
3.30
1.28
0.00
63.50
3.30
1.28
0.00
66.00
3.30
1.28
0.00
68.50
3.30
1.28
0.00
71.00
3.30
1.28
0.00
73.50
3.30
1.28
0.00
76.00
3.30
1.28
0.00
78.50
3.30
1.28
0.00
81.00
3.30
1.28
0.00
83.50
3.30
1.28
0.00
86.00
3.30
1.28
0.00
88.50
3.30
1.28
0.00
91.00
3.30
1 28
000
93.50
3.30
1.28
0.00
96.00
3.30
128
0.00
98.50
3.30
1.28
0.00
101.00
3.30
1.28
0.00
10350
3.30
1.28
0-00
106.00
3.30
1.28
0.00
108.50
3.30
1.28
0.00
111.00
3.30
1.28
0.00
113.50
3.30
128
0.00
116.00
3.30
1.28
0.00
118.50
3.30
1.28
0.00
121.00
3.30
1.28
0.00
123.50
3.30
1.28
0.00
126.00
3.30
1.28
0.00
128.50
3.30
1.28
0.00
Time Precip. Excess Runoff
hours
inches
inches
cfs
131.00
3.30
1.28
0.00
133.50
3.30
1.28
0.00
136.00
3.30
1.28
0.00
138.50
3.30
1.28
0.00
141.00
3.30
1.28
0.00
143.50
3.30
1.28
0.00

Iredell County Hydro_8-6-2016 Type // 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 sin 06725 © 2016 HydroCAD Software Solutions LLC Page 9
Summary for Pond 3P: Constant Flow/Skimmer Basin
Inflow Area = 1.487 ac. 11.10% Impervious. Inflow Depth = 2.85" for 2 yr 24 hr event
Inflow = 6.31 cfs @ 11,98 hrs, Volume= 0.353 of
Outflow - 4,22 cfs @ 12.07 hrs, Volume- 0.307 af, Atten= 33%. Lag= 5.3 min
Primary = 0.01 cfs @ 11.20 hrs, Volume= 0.123 of
Secondary = 4.21 cfs @ 12.07 hrs, Volume= 0.185 of
Routing by Stor-Ind method, Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Peak Elev= 821.76' @ 12.07 hrs Surf.Area= 3,988 sf Storage= 7,733 cf
Plug -Flow detention time= 1,632.4 min calculated for 0.307 of (87% of inflow)
Center -of -Mass det. time= 1,572.7 min ( 2,343.8 - 771.1 )
Volume Invert Avail -Storage Storage Description
#1 819.50, 13,080 cf Custom Stage Data (irregular) Listed below (Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic -feet) (cubic -feet) (sq-ft)
819.50 2,876 229.7 0 0 2,876
820.00 3,109 236.4 1.496 1,496 3.150
821.00 3,599 250.3 3,351 4,847 3,741
821.50 3,853 256.6 1.863 6,710 4,025
822.00 4,113 262.9 1,991 8,701 4,316
823.00 4,651 275.5 4,379 13,080 4,920
Device Routing Invert Outlet Devices _
#1 Secondary 821.50' 13.0' long x 8.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 120 1 A0 1.60 1.80 2.00
2.50 3.00 3.50 4.00 4.50 5.00 5.50
Coef. (English) 2.43 2.54 2.70 2.69 2.68 2.68 2.66 2.64 2.64
2,64 2,65 2.65 2.66 2.66 2,68 2.70 2.74
#2 Primary 819.50' 0.011 cfs Constant Flow/Skimmer Phase -In= 0.75'
Primary OutFlow Max=0.01 cfs @ 11.20 hrs HW=820.26' (Free Discharge)
t-2=Constant Flow/Skimmer (Constant Controls 0.01 cfs)
Secondary OutFlow Max=3.86 cfs @ 12.07 hrs HW=821.74' (Free Discharge)
1=Broad-Crested Rectangular Weir (Weir Controls 3.86 cfs @ 1.21 fps)

Iredell County Hydro_8-6-20'16 Type 1124-hr 2 yr 24 hr Rainfall=3.30"
Prepared try Microsoft Printed 8/25/2016
H droCAD® 10.00-18 s/n 06725 ©2016 H droCAD Software Solutions LLC Page 10
Pond 3P: Constant Flow/Skimmer Basin
Hydrograph
■ Inflow
6 ai s ❑ Outflow
- --- ---- --------------- ----- - ■Primary
In-flow.Area=1:487 ac
7 ■Secondary
6
---------- -------- .-------- ;------- ;-------- :---------- Peak Elev=821.76'
Storage=7733 cf
5 . 4.22 d
4,21 cfs
4
I I
--- ----- ---- - ------ ----
LL 3
2
1
a
10 20 30 AO 50 60 70 SO 90 100 110 120 130 140
Time (hours)
Pond 3P: Constant Flow/Skimmer Basin
Stage -Discharge
❑ Total
■ Primary
Secondary
0 5 10 15 20 25 30 35 40 45 50 55 60
Discharge (cfs)

Iredell County Hydro_8-6-2016 Type 1124-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
M droCAD® 10 00-18 sln 06725 O 2016 H droCAD Software Solutions LLC Page 11
Pond 3P: Constant Flow/Skimmer Basin
Stage -Area -Storage
SurfacelHorizontalMotted Area {sq-ttj
0 500 1.000 1,500 2,000 2,500 3,000 3,500 4.000 4,500 Q Surface
■ Storage
823
000�
2.000 4.000
6,0D0 8,000
Storage {cubic -feet)
10,600 12,000

Iredell County Hydro_8-6-2016 Type I/ 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 12
Hydrograph for Pond 31P: Constant Flow/Skimmer Basin
Time
Inflow
Storage
Elevation
Outflow
Primary
Secondary
(hours)
(cfs)
(cubic -feet)
(feet),(cfS0
(cfs)
(cfs)
1.00
0.00
0
81950
0.00
0.00
0.00
600
0.04
270
819.59
0.00
0.00
0.00
11.00
0.28
2,120
820.20
0.01
0.01
0.00
16.00
0.12
6,788
821.52
0.12
0.01
0.11
21.00
0.06
6,745
821.51
0.06
0.01
0.05
26.00
0.00
6,648
821 A8
0.01
0.01
0.00
31.00
0.00
6,450
821.43
0.01
0.01
0.00
36.00
0.00
6,252
821.38
0.01
0.01
0.00
41 00
000
6,054
821.33
0.01
0.01
0.00
46.00
0.00
5,856
821.28
0.01
001
0.00
51.00
0.00
5,658
821.22
0.01
0.01
0.00
5600
000
5.460
821.17
0.01
0.01
0.00
61.00
0.00
5,262
821.11
0.01
0.01
0.00
66.00
0.00
5,064
821.06
0.01
0.01
0.00
71.00
000
4.866
821.01
0.01
0.01
0.00
76.00
0.00
4,668
820.95
0.01
0.01
0.00
81.00
0.00
4,470
820.89
0.01
0.01
0.00
86.00
0.00
4.272
820.84
0.01
0.01
0.00
91.00
0.00
4,074
820.78
0.01
0.01
0.00
96.00
0.00
3,876
820.72
001
0.01
0.00
10100
0.00
3,678
820.67
0.01
0.01
0.00
106.00
0.00
3,480
820.61
0.01
0.01
0.00
111.00
0.00
3,282
820.55
0.01
0.01
0.00
11600
0.00
3,084
820.49
0.01
0.01
0.00
121.00
000
2.886
820.43
0.01
0.01
0.00
126.00
0.00
2,688
820.37
001
0.01
000
13100
0.00
2,490
820.31
0.01
0.01
0.00
136.00
0.00
2,292
820.25
0.01
0.01
0.00
141.00
0.00
2,101
820.19
001
0.01
0.00

Iredell County Hydro_8-6-2016 Type 11 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
H droCAD® 10.00-18 s/n 06725 © 2016 H droCAD Software Solutions LLC Page 13
Stage -Discharge for Pond 3P: Constant Flow/Skimmer Basin
Elevation Discharge Primary Secondary
(feet)
(cfs)
(cfs)
(cfs)
819.50
0.00
000
0.00
81955
000
000
000
819.60
0,00
0.00
0.00
819.65
0.00
000
000
819.70
0.00
000
0.00
819.75
000
0,00
0.00
819.80
0.00
000
000
819.85
001
001
0.00
819.90
001
001
000
819.95
0.01
0.01
0.00
820.00
0.01
0.01
0.00
820.05
001
001
000
820.10
0.01
0.01
000
820 15
001
0.01
000
82020
001
001
0.00
820.25
0.01
0.01
0.00
820.30
0.01
0.01
0.00
820.35
001
0.01
0.00
82040
0.01
001
0.00
82045
0.01
001
0.00
82050
001
0.01
& 00
820.55
0.01
0.01
0.00
820,60
0.01
001
0.00
82065
0.01
001
0.00
82070
0.01
001
0.00
82075
001
001
000
82080
001
001
0.00
82085
0.01
0.01
0.00
82090
001
0.01
0,00
820.95
0.01
001
000
82100
001
001
000
821 05
0,01
0.01
000
821 10
0.01
001
0.00
821 15
0.01
001
& 00
821 20
0.01
001
0.00
821.25
0.01
0.01
0.00
821,30
0.01
001
& 00
821 35
0.01
0,01
000
821 40
0.01
001
000
821 45
0.01
0.01
0.00
821.50
0.01
001
0.00
821.55
0.36
0.01
0.35
821.60
1 01
0.01
1 00
821.65
1.85
0.01
1.84
821.70
2.84
0.01
2.83
821.75
4.00
001
3.99
821.80
5.32
0.01
5.31
821.85
6.77
0.01
6.76
821.90
8.36
0.01
8.35
821.95
1D.14
0.01
10.12
822.00
12.05
0.01
12.04
822.05
14.12
0,01
14.10
Elevation Discharge Primary Secondary
(feet)
(cfs)
(cfs)
(cfs)
822 10
1632
0.01
16.31
822.15
1839
0.01
18.38
822.20
2053
0.01
20.52
822.25
22.75
001
2273
822.30
25,03
001
25.02
822.35
2739
001
27.38
82240
2981
0.01
2980
822.45
32.30
0.01
32.29
822.50
34.85
0.01
34.84
822.55
37.50
0.01
37.49
822.60
4021
0.01
40.19
822.65
42.98
0.01
4297
822.70
4581
0.01
45.80
822.75
48.61
001
48.60
822.80
51.46
0.01
51.45
822.85
54.35
0.01
54.34
822.90
57.29
001
57.28
822.95
60.28
0.01
60.26
823.00
63.30
0.01
63.29

Iredell County Hydro_8-6-2016 Type 1124-hr 2 yr 24 hr Rainfall=3.30°
Prepared by Microsoft Printed 8/25/2016
HvdroCADO 10.00-18 sln 06725 © 2016 HvdroCAD Software Solutions LLC Paae 14
Stage -Area -Storage for Pond 3P: Constant Flow/Skimmer Basin
Elevation
Surface
Storage
(feet)
(sq-ft)
(cubic -feet)
819.50
2,876
0
819.55
2,899
144
819.60
2,922
290
819.65
2,945
437
819.70
2,968
584
819.75
2,991
733
819.80
3,015
884
819.85
3,038
1.035
819.90
3,062
1,187
819.95
3,085
1.341
820.00
3,109
1.496
820.05
3,133
1,652
820 10
3,156
1,809
820.15
3,180
1,968
820.20
3,204
2,127
82025
3,228
2,288
820.30
3,252
2,450
820.35
3,276
2.613
820.40
3,301
2,778
820.45
3,325
2,943
820.50
3,350
3,110
820.55
3,374
3,278
820.60
3,399
3,448
820.65
3,423
3,618
820.70
3,448
3,790
820.75
3,473
3.963
820.80
3,498
4,137
820.85
3,523
4,313
820.90
3,548
4.490
820.95
3,574
4.668
821.00
3,599
4,847
821.05
3,624
5,027
821.10
3,649
5,209
821.15
3.674
5,392
821.20
3,700
5,577
821.25
3,725
5,762
821.30
3,750
5.949
821.35
3,776
6,137
821.40
3,802
6,327
821.45
3,827
6,518
821.50
3,853
6,710
821.55
3,879
6.903
821.60
3,904
7,097
821.65
3.930
7,293
821.70
3,956
7,490
821.75
3,982
7,689
821.80
4,008
7,889
821.85
4,034
8,090
821.90
4,060
8,292
821.95
4,087
8,496
822.00
4,113
8.701
822.05
4,139
8,907
Elevation
Surface
Storage
(feet)
(sq-ft)
{cubic -feed
822 10
4,165
9,115
822.15
4,192
9,324
822.20
4,218
9,534
822,25
4,244
9,745
822.30
4,271
9,958
822.35
4,298
10,172
82240
4,324
10,388
822.45
4,351
10,605
822.50
4,378
10,823
822.55
4,405
11,043
822.60
4,432
11.264
822.65
4,459
11,486
822.70
4,486
11,709
822.75
4,513
11.934
822.80
4,541
12,161
822.85
4,568
12,388
822.90
4,596
12,618
822.95
4.623
12,848
82300
4,651
13,080

Iredell County Hydro_$-6-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 s/n 06725.00 2016 HydroCAD Software Solutions LLC Paqe 15
Time span=l 00-144.00 hrs, dt=0.05 hrs. 2861 points
Runoff by SCS TR-20 method, UH=SCS. Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: McCarthy Iredell Site Runoff Area=64,755 sf 11.10% Impervious Runoff Depth=4.53"
Flow Length=507' Tc=7.6 min CN=96 Runoff=9 77 cfs 0.561 of
Subcatchment 4S: By -Pass Drainage Area Runoff Area=170,529 sf 19.50% Impervious Runoff Depth=2.62"
Flow Length=2.718' Tc=22 2 min CN=77 Runoff=10 71 cfs 0 856 of
Pond 3P: Constant Flow/Skimmer Basin Peak Elev=821.92' Storage=8,385 cf Inflow=9.77 cfs 0.561 of
Primary=0.01 cfs 0.124 of Secondary=9.14 cfs 0.391 of Dutfiow=9 16 cfs 0.516 of
Total Runoff Area = 5.401 ac Runoff Volume = 1.417 of Average Runoff Depth = 3.15'
82.81% Pervious = 4.473 ac 17.19% Impervious = 0.929 ac

Iredell County Hydro_8-6-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 1-6
Summary for Subcatchment 1S: McCarthy Iredell Site
Runoff - 9.77 cfs @ 11.98 hrs, Volume= 0.561 af, Depth= 4.53"
Runoff by SCS TR-20 method. UH=SCS, Weighted-CN, Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Type II 24-hr 10 yr 24 hr Rainfall=5.00"
Area (sf)
CN
Description
57,564
96
Gravel surface, HSG B
3,872
98
Water Surface, HSG B
1,085
98
Unconnected pavement. HSG B
2,234
98
Paved parking, HSG B
64,755
96
Weighted Average
57,564
88 90% Pervious Area
7,191
11.10% Impervious Area
1.085
15,09% Unconnected
Tc
Length
Slope
Velocity
Capacity Description
(min)
(feet)
_ (ftlft)
(ftlsec)
(cfs)
0.9
100
0.0400
1.84
Sheet Flow, Sheet Flow
Smooth surfaces n= 0.011 P2= 3.30"
6.7
407
0.0025
1.02
Shallow Concentrated Flow, Shallow Concentrated Flow
Paved Kv= 20.3 fps
7.6 507 Total
Subcatchment 1S: McCarthy Iredell Site
Hydrograph
------------- --------- --------------- I ------------------- ......... ------- .................
9.77-
i
0 24 1
Runoff Area=6.4,755 sf
--------------
Runoff Volume=0.561 of
Runoff Depth =4.53"
Flow Length=507'
Tc=7,6 min
--------------
OW
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135
Time (hours)

Iredell County Hydro_8-6-2016 Type 1124-hr 10 yr 24 hr Rainfa11=5.00"
Prepared by Microsoft Printed 8/25/2016
H droCAD® 10.00-18 sln 06725 © 2016 H droCAD Software Solutions LLC Page 17
Hydrograph for Subcatchment 1S: McCarthy lredell Site
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
1.00
0.05
D.00
0.00
3.50
0.21
0.03
0.04
6.00
0.40
0.14
009
8.50
0.66
0.34
0.16
11.00
1 18
079
0.46
13.50
4.00
3.54
0.37
1600
4.40
3.94
0.18
18.50
4.65
418
0.13
21.00
4.82
436
009
23.50
4.97
4.60
0.08
26.00
5.00
4.53
0.00
28.50
5.00
4.53
0.00
31.00
500
4.53
0.00
33.50
5.00
453
0.00
36.00
5.00
4.53
000
38.50
5.00
4.53
0.00
41.00
500
453
0 00
43.50
5.00
4.53
0.00
46.00
5.00
4.53
000
48.50
5.00
453
0.00
51.00
500
4.53
000
5350
500
4.53
000
56.00
500
4.53
000
58.50
500
4.53
000
61.00
5M
4.53
000
63.50
5M
4.53
0 00
66.00
5.00
4.53
000
68.50
5.00
4.53
000
71 00
500
453
0.00
73.50
5.00
4.53
000
76.00
500
4.53
0.00
78.50
5.00
4.53
0.00
81.00
5.00
4.53
0,00
83.50
5.00
4.53
000
86.00
5.00
4.53
& 00
88.50
500
4.53
0.00
91.00
5.00
4.53
0.00
93.50
500
4.53
0,00
96.00
500
4.53
0.00
98.50
500
4.53
0.00
101.00
500
4.53
000
103.50
500
4.53
0.00
106.00
500
4.53
0.00
108.50
5.00
4.53
0.00
111.00
5.00
4.53
0.00
11350
500
4.53
000
116.00
500
4.53
0.00
118.50
500
4.53
0.00
121.00
5.00
4.53
000
123.50
5.00
4.53
0.00
126.00
5.00
4.53
0.00
128.50
500
4.53
000
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
131.00
5.00
4.53
0.00
133.50
5 00
453
0.00
136.00
5.00
4.53
000
13850
5.00
4.53
0.00
141.00
500
4.53
0.00
143.50
5.00
4.53
0.00

Iredell County Hydro_8-6-2016 Type I124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 18
Summary for Subcatchment 4S: By -Pass Drainage Area
Runoff = 10.71 cfs @ 12.15 hrs, Volume= 0.856 A Depth= 2.62"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Type II 24-hr 10 yr 24 hr Rainfall=5.00"
Area (sf) CN Descripti
31,021
98
Paved parking. HSG B
101,334
69
50-75% Grass cover, Fair, HSG B
2,234
98
Paved parking, HSG B
4,073
61
>75% Grass cover, Good, HSG B
31,867
85
Gravel roads, HSG B
170,529
77
Weighted Average
137,274
80.50% Pervious Area
33,255
19.50% Impervious Area
Tc
Length
Slope
Velocity
Capacity
Description
(min)
(feet)
(ft/ft)
(fUsec)
(cfs)
8.6
300
02400
0.58
Sheet Flow, Sheet flow
Grass: Short n= 0.150 P2= 3.30"
3.2
208
0.0240
1.08
Shallow Concentrated Flow, Shallow concentrated flow
Short Grass Pasture Kv= 7.0 fps
1.9
660
0.0140
5.69
10.23
Channel Flow, Drive side ditch
Area= 1.8 sf Perim= 3.0' r= 0.60'
n= 0.022 Earth, clean & straight
8.5
1,550
0.0058
3.04
30.41
Channel Flow, large drainage channel
Area= 10.0 sf Perim= 22.0' r= 0.45'
n= 0.022 Earth, clean & straight
22.2 2,718 Total

Iredell County Hydro_8-6-2016 Type Il 24-hr 10 yr 24 hr Rainfalf=5. 00"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 s/n 06725 © 2016 HydroCAD Software Solutions LLC Pam
Subcatchment 4S: By -Pass Drainage Area
Hydrograph
-- - - - - - Runo
11
10.71 cfe '
,
-- - ---- -- -, --- -- - -- --- - - - - - - - . - --- - 'Type 11 24-hF
10 AA
r -.......... _... ..__..... .. — ? i ' 5.17V'� ..
O��r�24.#tlr Raie�all-
9 I
, -. --�--- - Rufl4WArea=170,529'sf
.------ -• --- Runoff-Volume-0.856,a#
Z -- --- ;-- -- -- Ruh6f# Depth-2.� 2-'-'
0 6 ' -- ---- - - --- - = 8#
ti
IQw Length 2,71
5 ,
= _-------
4
C N 77 .
3
2
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140
Time (hours)

lredell County Hydro_8-6-2016 Type 1124-hr 90 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 sin 06725 0 2016 HydroCAD Software Solutions LLC Page 20
Hydrograph for Subcatchment 4S: By -Pass Drainage Area
Time Precip. Excess Runoff
(hours)
finches)
(inches)
(cfs)
1.00
005
&00
000
3.50
0.21
0.00
0.00
6.00
0.40
0.00
0.00
8.50
066
OM
0.01
11.00
1.18
0.09
0.29
13.50
4.00
1.81
0.87
1&00
4.40
2.13
040
18.50
4.65
2.33
0.28
21.00
4.82
2.48
0.21
23.50
4.97
2.60
0.19
26.00
5.00
2.62
0.00
28.50
5.00
2.62
0.00
31.00
5.00
2.62
000
33.50
5.00
2.62
0.00
36.00
5.00
2.62
0.00
38.50
5.00
2.62
000
41.00
500
2.62
0.00
43.50
5.00
2.62
0.00
46.00
5.00
2.62
0.00
48.50
5.00
2.62
0.00
51.00
5.00
2.62
0.00
53.50
5.00
2.62
0.00
56.00
5.00
2.62
&00
58.50
5.00
2.62
0.00
61.00
5.00
2.62
0.00
63.50
5.00
2.62
0.00
66.00
5.00
2.62
0.00
68.50
5.00
2.62
000
71.00
5.00
2.62
&00
73.50
5.00
2.62
0.00
76.00
5.00
2.62
0.00
78.50
5.00
2.62
&00
81.00
5.00
2.62
0.00
83.50
5.00
2.62
&00
86.00
5.00
2.62
&00
88.50
5.00
2.62
&00
91.00
500
2.62
0.00
93.50
5.00
2.62
0.00
96.00
5.00
2.62
0.00
98.50
5.00
2.62
&00
101.00
5.00
2.62
0.00
103.50
5.00
262
000
106.00
5.00
2.62
0.00
108.50
5.00
2.62
0.00
111.00
5.00
2.62
0.00
113.50
5.00
2.62
&00
116.00
5.00
2.62
0.00
118.50
5.00
2.62
0.00
121.00
5.00
2.62
0.00
123.50
5.00
2.62
0.00
126.00
5.00
2.62
0.00
128.50
5.00
2.62
0.00
Time Precip. Excess Runoff
(hours)(inches)
(inches)
(cfs)
13100
5.00
2.62
0.00
133.50
5.00
2.62
0.00
136.00
5.00
2.62
&00
138.50
5.00
2.62
0.00
141.00
5.00
2.62
0.00
143.50
5.00
2.62
000

Iredell County Hydro_B-6-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
H droCADO 10.00-18 s/n 06725 © 2016 H droCAD Software Solutions LLC Page 21
Summary for Pond 3P: Constant Flow/Skimmer Basin
Inflow Area = 1.487 ac, 11.10% Imperious, Inflow Depth = 4.53" for 10 yr 24 hr event
Inflow =
9.77 cfs @
11.98 hrs, Volume=
0.561 of
Outflow =
9.16 cfs @
12.01 hrs, Volume=
0.516 af, Atten= 6%, Lag= 1.7 min
Primary =
0.01 cfs @
9.45 hrs, Volume=
0.124 of
Secondary =
9.14 cfs @
12.01 hrs. Volume=
0.391 of
Routing by Stor-Ind method. Time Span= 1.00-144.00 hrs, dt= 0.05 hrs
Peak Elev= 821,92' @ 12.01 hrs Surf.Area= 4,072 sf Storage= 8.385 cf
Plug -Flow detention time= 1.001.7 min calculated for 0,516 of (92% of inflow)
Center -of -Mass det. time= 957.0 min ( 1,717.1 - 760.1 )
Volume
Invert Avail.Storage
Storage Description
#1
819.50,
13,080 cf
Custom Stage Data (Irregular)
Listed
below (Recalc)
Elevation
Surf.Area
Perim.
Inc.Store
Cum.Store
Wet.Area
(feet)
(sq-ft)
(feet)
(cubic -feet)
(cubic -feet)
(sq-ft)
819,50
2,876
229.7
0
0
2.876
820.00
3,109
236.4
1,496
1,496
3,150
821.00
3,599
250.3
3,351
4,847
3,741
821.50
3,853
2566
1,863
6,710
4,025
822.00
4,113
262.9
1,991
8,701
4,316
823.00
4,651
275.5
4,379
137080
4,920
Device Routinq Invert Outlet Devices
#1 Secondary 821.50' 13.0' long x 8.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00 4.50 5.00 5.50
Coef. (English) 2.43 2.54 2.70 2.69 2.68 2.68 2.66 2.64 2.64
2.64 2.65 2.65 2.66 2.66 2.68 2.70 2.74
#2 Primary 819.50' 0.011 cfs Constant Flow/Skimmer Phase -In= 0,75'
Primary OutFlow Max=0.01 cfs @ 9.45 hrs HW=820.25' (Free Discharge)
L2=Constant Flow/Skimmer (Constant Controls 0.01 cfs)
Secondary OutFlow Max=8.95 cfs @ 12.01 hrs HW=821.92' (Free Discharge)
1 = Broad-C rested Rectangular Weir (Weir Controls 8.95 cfs @ 1.65 fps)

Iredell County Hydro_8-6-2016 Type 1124-hr 10 yr 24 hr Rainfal1=5. 00"
Prepared by Microsoft Printed 8/25/2016
H drOCAD® 10.00-18 sln 06725 C 2016 H droCAD Software Solutions LLC Page 22
Pond 3P: Constant Flow/Skimmer Basin
Hydrograph
a
a
•
• ` •
• •
• ! • •
f
Pond 3P: Constant Flow/Skimmer Basin
Stage -Discharge
0 5 10 15 20 25 30 35 40 45 50 55 60
Discharge (Cf5)
ary
Q Total
■ Primary
Q Secondary

Iredell County Hydro_8-6-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions_LLC Pam
�o
m
LU
Pond 3P: Constant Flow/Skimmer Basin
Stage -Area-Storage
SCO 1 000 1 500 2000 2500 3 000 3 500 4 000 4.500
0 2,000 4,000 6,000 8,000 10,000 12,CDC
Storage (cubic -feet)
❑ Surface
10 Storage

Iredell County Hydro_8-6-2016 Type 1124-hr 90 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCADS 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 24
Hydrograph for Pond 3P: Constant Flow/Skimmer Basin
Time
Inflow
Storage
Elevation
Outflow
Primary
Secondary
(hours)
(cfs)
(cubic -feet)
(feet)
(cfs)
(cfs)
(cfs)
1.00
0.00
0
819.50
0.00
0.00
0.00
600
0.09
682
819.73
0.00
0.00
0.00
11.00
0.46
3,899
820.73
0.01
0.01
0.00
16.00
0.18
6,828
821.53
0.18
0.01
0.17
21.00
009
6,768
821.52
0.09
0.01
008
26.00
000
6,651
821 48
001
0.01
000
31.00
000
6,453
821 43
0.01
0.01
000
36.00
0.00
6,255
821.38
0.01
0.01
0.00
41.00
0.00
6,057
821.33
0.01
0.01
0.00
46.00
000
5.859
821.28
0.01
0.01
000
51.00
0.00
5,661
821.22
0.01
0.01
0.00
56.00
000
5.463
821 17
001
0.01
000
61.00
000
5,265
821.12
0.01
0.01
Goo
66.00
0.00
5.067
821.06
0.01
0.01
0.00
71.00
000
4,869
821 01
001
0.01
0.00
76.00
0.00
4,671
820.95
0.01
0.01
000
81.00
0.00
4,473
820.90
0.01
0.01
0.00
86.00
0.00
4,275
820.84
0.01
0.01
0.00
91.00
000
4,077
820.78
0,01
0.01
0.00
96.00
0.00
3,879
820.73
0.01
0.01
0.00
101.00
000
3,681
820.67
0.01
0.01
000
106.00
0.00
3,483
820.61
0.01
0.01
0.00
111.00
000
3,285
820.55
0.01
0.01
000
11600
000
3,087
820.49
0.01
0.01
000
121.00
0.00
2,889
82043
001
0.01
0.00
126.00
0.00
2,691
820.37
0.01
0.01
000
131 00
000
2.493
820.31
0.01
0.01
0.00
136.00
0.00
2,295
820.25
001
0.01
000
141.00
000
2,104
820.19
001
0.01
0.00

Iredell County Hydro_8-6-2016 Type II 24-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
H droCADO 10.00-18 sln 06725 © 2016 H droCAD Software Solutions LLC Page 25
Stage -Discharge for Pond 3P: Constant Flow/Skimmer Basin
Elevation Discharge Primary Secondary
feet)
(cfs)
(cfs)
(cfs
819.50
0.00
0.00
0.00
819.55
0.00
0.00
0.00
819.60
0.00
0.00
0.00
819.65
0.00
000
0.00
819.70
0.00
000
0.00
819.75
0.00
0.00
0.00
819.80
0.00
000
0.00
819.85
0.01
001
0.00
819.90
0.01
001
0.00
819.95
0.01
001
0.00
820.00
0.01
001
0.00
82005
0.01
0.01
0.00
820.10
0.01
001
&00
820.15
0.01
0.01
0.00
820.20
0.01
0.01
0.00
820.25
0.01
0.01
0.00
820.30
0.01
0.01
0.00
820.35
0.01
0.01
0.00
820.40
0.01
0.01
&00
820.45
0.01
0.01
0.00
820.50
0.01
0.01
0.00
820.55
0.01
0.01
&00
820.60
0.01
0.01
0.00
820.65
OV
0.01
&00
820.70
0.01
0.01
0.00
82075
0.01
0.01
0.00
820.80
0.01
0.01
&00
82085
0.01
0.01
0.00
820.90
0.01
0.01
0.00
820,95
0.01
0.01
0.00
821.00
0.01
0.01
0.00
821 05
0.01
0.01
0.00
821 10
0.01
0.01
0.00
821 15
001
0.01
0.00
821.20
001
0.01
0.00
821 25
001
0.01
0.00
821.30
0.01
0.01
0.00
821 35
001
0.01
0.00
821.40
0,01
0.01
0.00
821.45
0.01
0.01
0.00
821.50
0.01
0.01
0.00
821.55
0.36
0.01
0.35
821.60
1.01
0.01
1.00
821.65
1.85
0.01
1.84
821.70
2.84
0.01
2.83
821.75
4.00
0.01
3.99
821.80
5.32
0.01
5.31
821.85
6.77
0.01
6.76
821.90
8.36
0.01
8.35
821.95
10.14
001
10.12
822.00
12.05
0.01
12.04
822.05
14.12
0.01
14 10
Elevation Discharge Primary Secondary
(feet)
(cfs)
(cfs)
(cfs
822.10
16.32
0.01
16.31
822.15
18.39
0.01
1838
822.20
20.53
0.01
2052
822.25
22.75
0.01
22.73
822.30
25.03
0.01
25.02
822.35
27.39
0.01
27.38
822.40
29.81
0.01
29.80
822.45
3230
0.01
32.29
822.50
34.85
0.01
34.84
822.55
37.50
0.01
37.49
822.60
40.21
0.01
40.19
822.65
42.98
0.01
42.97
822.70
45.81
0.01
45.80
822.75
48.61
0.01
48.60
822.80
51.46
0.01
51.45
822.85
54.35
0.01
54.34
822.90
57.29
0.01
57.28
822.95
60.28
0.01
60.26
823.00
63.30
0.01
63.29

Iredell County Hydro_8-6-2016 Type II 24-hr 90 yr 24 hr Rainfa11=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 O 2016 HydroCAD Software Solutions LLC Page 26
Stage -Area -Storage for Pond 3P: Constant FlowlSkimmer Basin
Elevation
Surface
Storage
feet
s -ft
cubic -feet
81950
2,876
0
8%55
2,899
144
819.60
2,922
290
819.65
2,945
437
819.70
2,968
584
819.75
2,991
733
81980
3,015
884
81985
3,038
1.035
819.90
3,062
1,187
81995
3,085
1,341
82000
3,109
1, 496
82005
3,133
1.652
82010
3,156
1,809
82015
3,180
1,968
820.20
3,204
2,127
820.25
3,228
2,288
82030
3,252
2,450
82035
3,276
2,613
820.40
3,301
2,778
82045
3,325
2,943
820.50
3,350
3,110
820.55
3,374
3,278
82060
3.399
3.448
820.65
3,423
3.618
820.70
3,448
3,790
82075
3.473
3,963
820.80
3,498
4,137
820.85
3 523
4,313
82090
3,548
4,490
820.95
3.574
4,668
821.00
3.599
4,847
82105
3,624
5,027
821.10
3,649
5,209
821.15
3,674
5,392
821.20
3,700
5,577
821.25
3,725
5,762
821.30
3,750
5,949
821.35
3.776
6,137
82140
3,802
6,327
821.45
3.827
6,518
821.50
3.853
6.710
82155
3,879
6,903
821.60
3,904
7,097
821.65
3,930
7.293
821.70
3,956
7,490
821.75
3,982
7,689
821.80
4,008
7.889
821.85
4,034
8,090
821.90
4,060
8,292
821.95
4,087
8,496
822.00
4,113
8,701
82205
4.139
8,907
Elevation
Surface
Storage
(feet)
(sq-ft)
(cubic -feet)
822.10
4,165
9,115
822 15
4,192
9,324
822.20
4,218
9,534
822.25
4,244
9,745
822 30
4,271
9,958
822.35
4,298
10,172
822.40
4,324
10,388
82245
4,351
10,605
822.50
4.378
10,823
822.55
4.405
11,043
822.60
4,432
11.264
822.65
4.459
11,486
822.70
4.486
11,709
822.75
4.513
11,934
822.80
4,541
12,161
822.85
4,568
12,388
822.90
4,596
12,618
822.95
4,623
12,848
823.00
4,651
13,080

Predevelopment
Drainage Area
/Subcat Reach on Link

Iredell County Predevelopment_8-20-2016
Prepared by Microsoft Printed 8/25/2016
HydroCAD& 10.00-18 sln 06725 ® 2016 HydroCAD Software Solutions LLC Page 2
Area Listing (all nodes)
Area CN Description
(acres) (subcatchment-numbers)
4.587 69 50-75% Grass cover, Fair, HSG B (1 S)
0.815 98 Paved parking, HSG B (1S)
5.401 73 TOTAL AREA

Iredell County Predevelopment_B-20-2016 Type II 24-hr 2 yr 24 hr Rainfall=3. 30 "
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 D 2016 HydroCAD Software Solutions LLC Page 3
Time span=1.00-24.00 hrs. dt=0.05 hrs, 461 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Predevelopment Runoff Area=235,284 sf 15.08% Impervious Runoff Depth>1.04"
Flow Length=2,718' Tc=22.2 min CN=73 Runoff=5.55 cfs 0 468 of
Total Runoff Area = 5.401 ac Runoff Volume = 0.468 of Average Runoff Depth = 1.04"
84.92% Pervious = 4.587 ac 15.08% Impervious = 0.815 ac

Iredell County Predevelopment_8-20-2016 Type 1124-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 s/n 06725 © 2016 HydroCAD Software Solutions LLC Page 4
Summary for Subcatchment 1S: Predevelopment Drainage Area
Runoff = 5.55 cfs @ 12.17 hrs, Volume= 0.468 af, Depths 1.04"
Runoff by SCS TR-20 method. UH=SCS. Weighted-CN. Time Span= 1.00-24.00 hrs, dt= 0.05 hrs
Type II 24-hr 2 yr 24 hr Rainfall=3.30"
Area (sf) CN Descrir)tion
31,021
98 Paved parking, HSG B
199,795
69 50-75% Grass cover, Fair, HSG 8
4,468
98 Paved parking, HSG B
235,284
73 Weighted Average
199,795
84.92% Pervious Area
35,489
15.08% Impervious Area
Tc
Length
Slope
Velocity
Capacity
Description
(min)
(feet)
_(ft/ft)
(ft/sec)
(cfs)
8.6
300
0.2400
0.58
Sheet Flow, Sheet flow
Grass: Short n= 0.150 P2= 3.30"
3.2
208
0.0240
1.08
Shallow Concentrated Flow, Shallow concentrated flow
Short Grass Pasture Kv= 7.0 fps
1.9
660
0.0140
5.69
10.23
Channel Flow, Drive side ditch
Area= 1.8 sf Perim= 3.0' r= 0.60'
n= 0.022 Earth, clean & straight
8.5
1,550
0.0058
3.04
30.41
Channel Flow, large drainage channel
Area= 10.0 sf Perim= 22.0' r= 0.45'
n= 0.022 Earth, clean & straight
22.2 2,718 Total

Iredel! County Predevelopment_8-20-2016 Type I124-hr 2 yr24 hrRainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 5
Subcatchment 1S: Predevelopment Drainage Area
Hydrograph
:....... ...:.......... . -- - - -- - _.. - ..-- -- ---
B ©Runoff
r
------------------------ ......
0 3
LL
--- ---- - --- - -- -- --
... _l.. ......Type. 1124-h r
2 yr 24 hr Rainfall=3.30"
:._. Runoff Area=235,284 sf
Runoff Volume=0.468 of
Runoff Depth>1.04'
Flow Length=2,718'
TO=22.2 min
----------------
CN=73
l..... -----
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time (hours)

Iredell County Predevelopment_8-20-2016 Type lI 24-hr 2 yr 24 hr Rainfall=3.30"
Prepared by Microsoft Printed 8/25/2016
HydroCADO 10 00-18 s/n 06725 © 2016 HydroCAD Software Solutions LLC Page 6
Hydrograph for Subcatchment 1 S: Predevelopment Drainage Area
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
1.00
0.03
0.00
0.00
1.25
0.04
0.00
0.00
1.50
0.05
0.00
0.00
1.75
0.06
0.00
0.00
200
0.07
000
0.00
2.25
0.08
0.00
000
2.50
0.09
0.00
0.00
275
0.10
0.00
0.00
3.00
0.11
0.00
000
3.25
0.12
0.00
0.00
350
0.14
0.00
0.00
3.75
0.15
0.00
0.00
4.00
0.16
0.00
0.00
4.25
0.17
0.00
0.00
4.50
0.18
0.00
0.00
4.75
0.19
0.00
0.00
500
0 21
0.00
0.00
5.25
0.22
0.00
000
5.50
0.24
0.00
0.00
575
0.25
0.00
0.00
600
0.26
0.00
000
6.25
0.28
0.00
0.00
6.50
0.29
0.00
0.00
6.75
0.31
000
0.00
7.00
0.33
0.00
0.00
725
0.34
0.00
0.00
7.50
0.36
000
0.00
7.75
0.38
0.00
0.00
800
040
0.00
0.00
8.25
0.42
0.00
000
8.50
0.44
0.00
0.00
8.75
046
0.00
0.00
9.00
0.49
0.00
0.00
9.25
0.51
0.00
0.00
9.50
0.54
000
0.00
9.75
0.57
0.00
000
1000
060
0.00
0.00
10.25
0.63
0.00
000
10.50
0.67
0.00
0.00
10.75
0.72
0.00
000
11.00
0.78
0,00
000
11.25
0.84
0.00
0.02
11.50
093
0.01
0.07
11.75
1.28
0.07
029
12.00
2.19
0.41
2.83
12.25
2.33
048
4.92
12.50
2.43
053
2 12
12.75
2.49
056
1 17
1300
2.55
0.59
0.82
13.25
2.60
0.62
0.65
13.50
2.64
0.64
0.57
13.75
2.67
066
0.50
Time Precip, Excess Runoff
(hours)
(inches)
(inches)
(cfs)
14.00
2.71
0.68
0.45
14.25
2.74
0.70
0.40
14.50
2.76
0.72
0.37
14.75
2.79
0.73
0.36
15.00
2.82
0.75
0.34
1525
284
0.76
0.32
15.50
2.86
0.77
0.31
15.75
2.88
0.79
0.29
16.00
2.90
0.80
0.27
16.25
2.92
0.81
026
16.50
2.94
0.82
0.25
16.75
296
0.83
0.24
17.00
2.98
0.84
0.23
17.25
2.99
0.85
0.23
1750
3.01
0.86
0.22
17.75
3.02
0.87
022
18.00
3.04
0.88
0.21
18.25
3.05
0.89
0.20
18.50
3.07
0.90
0.20
18.75
3.08
0.91
0.19
19.00
309
0.92
0.18
19.25
3.11
092
0.18
19.50
3.12
0.93
0.17
19.75
3.13
0.94
0.16
20.00
3.14
0.95
0.16
20.25
3.15
0.95
015
20.50
3.16
0.96
0,15
20.75
3.17
0.97
0.15
21.00
3.18
0.97
0.14
21 25
3.19
0.98
0.14
21.50
3.20
0.99
0.14
21.75
3.21
0.99
0.14
2200
3.22
1.00
0.14
22.25
3.23
1.00
0.14
22.50
3.24
1.01
0.14
22.75
3.25
1.02
0.14
23.00
3.26
102
0.14
23.25
3.27
1.03
0.13
23.50
3.28
1.04
0.13
23.75
3.29
1.04
0.13
2400
3.30
1.05
013

Iredell County Predevelopment_8-20-2016 Type 11 24-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 sln 06725 © 2016 HydroCAD Software Solutions LLC Page 7
Time span= 1 .00-24. 00 hrs, dt=0 05 hrs, 461 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Predevelopment Runoff Area=235,284 sf 15.08% Impervious Runoff Depth>2.27"
Flow Length=2,718' Tc=22.2 min CN=73 Runoff=12.74 cfs 1.020 of
Total Runoff Area = 5.401 ac Runoff Volume = 1.020 of Average Runoff Depth = 2.27"
84.92% Pervious = 4.587 ac 15.08% Impervious = 0.815 ac

Iredell County Predevelopment_8-20-2016 Type 1124-hr 90 yr 24 hr Rainfall=5. 00 "
Prepared by Microsoft Printed 8/25/2016
HydroCAD®10.00-18 s/n 06725 © 2016 HydroCAD Software Solutbns LLC _ Page 8
Summary for Subcatchment 1S: Predevelopment Drainage Area
Runoff = 12.74 cfs @ 12.16 hrs, Volume= 1.020 af. Depths 2.27"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN. Time Span= 1.00-24.00 hrs, dt= 0.05 hrs
Type II 24-hr 10 yr 24 hr Rainfall=5.00"
Area (sf) CN Description
31,021
98 Paved parking. HSG B
199,795
69 50-75% Grass cover. Fair. HSG B
4,468
98 Paved parking, HSG S
235,284
73 Weighted Average
199,795
84.92% Pervious Area
35,489
15.08% Impervious Area
Tc
Length
Slope
Velocity
Capacity
Description
min
(feet)
(ft/ft)
(ft/sec)
(cfs)
8.6
300
0.2400
0.58
Sheet Flow, Sheet flow
Grass: Short n= 0.150 P2= 3.30"
3.2
208
0.0240
1.08
Shallow Concentrated Flow, Shallow concentrated flow
Short Grass Pasture Kv= 7.0 fps
1.9
660
0.0140
5.69
10.23
Channel Flow, Drive side ditch
Area= 1.8 sf Perim= 3.0' r= 0.60'
n= 0.022 Earth, clean & straight
8.5
1,550
0.0058
3.04
30.41
Channel Flow, large drainage channel
Area= 10.0 sf Perim= 22.0' r= 0.45'
n= 0,022 Earth, clean & straiaht
22.2 2.718 Total

Iredell County Predevelopment_8-20-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCAD® 10.00-18 s/n 06725 ©2016 HydroCAD Software Solutions LLC Page 9
Subcatchment 1S: Predevelopment Drainage Area
Hydrograph
14 Ci Runoff
i
1 -- --:--- -
Type tl 24-hr
12
-----i------r 1 -- r -- -- - - ---
11 10 yr 24 hr Rainfall=5.OV
---- -----
10 Runoff Area=235,284 sf
1------------------------------ --- - ----
9 Runoff Volume=1.020 of
r 8
un ep
7 I $'
.-----.-----:-----:---------- . --- h=2 F o�n► �.e+�g� ,7'I
LL
s �r
.2 mtrt Tc=22
4 Ci1��'l,
3
2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time (hours)

Iredell County Predevelopment_8-20-2016 Type 1124-hr 10 yr 24 hr Rainfall=5.00"
Prepared by Microsoft Printed 8/25/2016
HydroCAD9 10.00-18 s/n 06725 92016 HydroCAD Software Solutions LLC Pepe 10
Hydrograph for Subcatchment 1S: Predevelopment Drainage Area
Time Precip. Excess Runoff
hours
inches
inches
cfs
1.00
0.05
0.00
000
1.25
0.07
0.00
0.00
1.50
0.08
0.00
0.00
175
0.10
0.00
0.00
2,00
0.11
0.00
0.00
2.25
0.13
0.00
0.00
250
0 14
0.00
0.00
275
0.16
0.00
0.00
3.00
0.17
0.00
0.00
3.25
0.19
0.00
0.00
3,50
0.21
0.00
0.00
3.75
0.22
0.00
0.00
4.00
0.24
0.00
0.00
4.25
0.26
0.00
&00
4.50
0.28
0.00
0.00
4.75
0.30
0.00
0.00
5.00
0.32
0.00
&00
5.25
0.34
0.00
000
5.50
0.36
0.00
000
5.75
0.38
0.00
0,00
6.00
0.40
0.00
0.00
6.25
0.42
0.00
0.00
6.50
0.45
0.00
0.00
6.75
0.47
0.00
000
7.00
0.50
0.00
0.00
7.25
0.52
0.00
0.00
7.50
0.55
0.00
0.00
7.75
0.57
0.00
0.00
8.00
0.60
0.00
0.00
8.25
0.63
&00
0.00
8.50
0.66
0.00
0.00
8.75
0.70
0.00
0,00
9.00
0.74
0.00
0.00
9.25
0.78
0.00
0.00
9.50
0.82
0.00
0.01
9.75
0.86
0.00
0.03
10.00
0.91
0.01
0.05
10.25
0.96
0.01
0.08
10.50
1.02
0.02
0.12
10.75
1.09
0.03
0,17
11.00
1.18
0.05
0.25
11.25
1.28
0.07
0.36
11.50
1.42
0.10
0.55
11.75
1.94
0.29
1.25
12.00
3.31
1,06
7.45
12.25
3.53
1.20
10.96
12.50
3.67
1.30
4,47
12.75
3.78
1.37
2.36
13.00
3.86
1.43
1.61
13.25
3.93
1.48
1.28
13.50
4.00
1.52
1.10
13.75
4.05
1.56
0.97
Time Precip. Excess Runoff
(hours)
(inches)
(inches)
(cfs)
14,00
4.10
1.60
0.86
14.25
4.15
1.63
0.77
14.50
4.19
1.66
072
14.75
4.23
1.69
0.68
15.00
4.27
1.72
0.65
15.25
4.30
1.75
0.62
15.50
4.34
1.77
0.58
15.75
4.37
1.80
0.55
16.00
4.40
1.82
0.51
16.25
4.43
1.84
0.48
16.50
4.46
1.86
0.46
16.75
4.48
1.88
0.45
17.00
4,51
1.90
0.44
17.25
4.53
1.92
0.43
17.50
4.56
1.94
0.41
17.75
4.58
1.96
0.40
18.00
4.61
1.98
0.39
18.25
4.63
1.99
0.38
18.50
4.65
2.01
0.37
1875
4.67
2.02
0.35
19.00
4.69
2.04
0.34
19.25
4.71
2.05
0.33
19.50
4.73
2.07
0.32
19.75
4.74
2.08
0.30
20.00
4.76
2.09
0.29
20.25
4.78
2.11
0.28
20.50
4.79
2.12
0.27
20.75
4.81
2.13
0.27
21.00
4.82
2.14
0.27
21.25
4.84
2.16
0.26
21.50
4.85
2.17
0.26
21.75
4.87
218
0.26
22.00
4.89
2.19
0.26
22.25
4.90
2.20
0.26
22.50
4.91
2.21
0.25
22.75
4.93
2.23
0.25
23.00
4.94
2.24
0.25
23.25
4.96
225
025
23.50
4.97
2.26
0.24
23.75
4.99
2.27
0.24
24.00
5.00
2.28
0.24