NCG140384_COMPLETE FILE - HISTORICAL_20110415

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT N0.
DOLTYPE
HISTORICAL FILE
0 MONITORING REPORTS
DOC DATE
❑
YYYYMMDD

r
7,11;'A
NC®ENR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Mr. Paul Cochrane
PO Box 23029
Charlotte, NC 28227
Dear Permittee:
Division of Water Quality
Coleen H. Sullins
Director
April 15, 2011
Dee Freeman
Secretary
Subject: NPDES Stormwater Permit Coverage Renewal
Blue Dot Readi-Mix, LLC - Harrisburg
COC Number NCG 140384
Cabarrus County
In response to your renewal application for continued coverage under Stormwater General Permit NCG140384
received March 14, 2011, the Division of Water Quality (DWQ) is forwarding herewith the reissued Certificate of
Coverage and stormwater General Permit. This permit is reissued pursuant to the requirements of North Carolina
General Statute 143-215.1 and the Memorandum of Agreement between the state of North Carolina and the U.S.
Environmental Protection Agency. dated October 15, 2007 (or as subsequently amended.)
The following information is included with your permit package:
A new Certificate of Coverage
+ A copy of the stormwater General Permit
• A copy of a Technical Bulletin for the General Permit
• Five copies of the Discharge Monitoring Report (DMR) Form
• Five copies of the Annual Discharge Monitoring Report Form (if applicable)
• Five copies of the Qualitative Monitoring Report Form
The General Permit authorizes discharges of stormwater only, and it specifies your obligations with respect to
stormwater discharge controls, management, monitoring, and record keeping. Please review the new permit to
familiarize yourself with all changes in the reissued permit. Significant changes to the General Permit are
outlined in the attached Technical Bulletin.
Your coverage under the General Permit is transferable only through the specific action of DWQ.
This permit does not affect the legal requirements to obtain other permits which may be required by DENR, nor
does it relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law,
rule, standard, ordinance, order, judgment, or decree.
Wetlands and Stormwater Branch
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] FAX: 91 M07-64941 Customer Service: 1-877-623-6748
Internet: www.ncwaterquailty.org
An Equal Opportunity 1 Affirmative Action Employer
One
North Carolina
Aatural l

If you have any questions regarding this permit package please contact the DWQ Stormwater Permitting Unit at
919-807-6300.
Sincerely,
ORIGMN PIC" B1
for Coleen H. Sullins
cc: DWQ Central Files
Stormwater Permitting Unit Files
Mooresville Regional Office, Samar Bou-Ghazale

• STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140384
STORMWATER 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,
Paul Cochran
is hereby authorized to discharge stormwater from a facility located at:
Blue Dot Readi-Mix, LLC - Harrisburg
7406 Millbrook Road
Harrisburg
Cabarrus
County
to receiving waters designated as Back Creek, a class C waterbody in the Yadkin Pee -Dee River Basin in
accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
11, III, IV, V, and VI of the General Permit as attached.
This certificate of coverage shall become effective April 15, 2011.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day April 15, 2011.
ORIGINAL SIGNED
�c� M
for Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Dwight S. Kurtz, PE
3693 Buffalo West Springs Hwy.
Buffalo, SC 29321
PHONE/PAX: 864-427-5407 _ EMAIL: [e-mail]
March 7, 2011
Stormwater Permitting Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Attn: Bethany Georgoulias
Subject: NCG 140384, Stormwater and Process Wastewater Discharge Permit, Blue Readi-Mix, Ll-C,
7406 Millbrook Road, Harrisburg, NC 28075, Cabarrus County
Dear Ms. Georgoulias,
In response to a request by Samar Bou-Ghazale (NCDENR) a new NOI is hereby submitted. The
following documents are included.
1. 3 copies of plans for the recycle basin
2. 1 copy of the site plan that shows drainage areas
3. NOI for NCG140000
4. Recycle basin pump information
5. USGS Map
6. Letter justifying discharge of aggregate rinse water to the wet detention pond
7. Calculations for recycle basin
8. NCDENR letter dated January 30, 2009 approving this system
9. Engineer's Certification dated 02/02/09
10. Check for $100 made payable to NCDENR
Please call or email if there are any questions or additional information is
Thank you,
41 �14& -
Dwight S. Kurtz, PE
i red--:�
MAR I 4 2011

AewlwA
Division of Water Quality / Surface Water Protection
NC[3ENR
National Pollutant Discharge Elimination System
rri�r�rvrrr wr. Nat,rw. nrio_-cr�
NCG140000
NOTICE OF INTENT
FOR AGENCY USE ONLY
Date Received
Year
Month
Dav
Certifieatc of Covemize
NICIGI 114
Check p I Amount
Permit Assiened 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 Ready Mixed Concrete
For new plant sites that will discharge or recycle process wastewater (even if commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to Construct (ATC) wastewater
treatment facilities. ATC requests must be submitted at least 90 days prior to construction'.
For existin plant sites discharging or recycling process wastewater (even if commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to continue to operate wastewater
treatment facilities in place. Construction, modification, or installation of any new treatment components
at an existing site requires an ATC.
Treatment facilities used to treat or recce process wastewater (including stormwater BMP structures
treating process wastewater flows commingled with stormwater) require an ATC prior to construction
per 15A NCAC 2H .0138. The authorization to construct or continue to operate will be issued at the
same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities
must comply with requirements of 15A NCAC 2H .0138 & .0139.
Construction of wastewater treatment facilities (this includes recycle systems) at new or existing plant
sites requires submission of three (3) sets of plans and specifications signed and sealed by a
Professional Engineer (P.E.) or qualified staffz along with this application. A copy of the design
calculations should be included. Please see questions 14 & 15.
V'K'a For questions, please contact the DWO Regional Office for your area. (See page 5)
(Please print or type)
1) Mailing address of owner/operator (address to which all permit correspondence will be mailed):
Name
Street Address
City
Telephone No.
2) Location of facility producing discharge:
Facility Name
Facility Contact
Street Address
City
County
Telephone No.
Fax:
Page 1 of 5
'As per 15A NCAC 2H .0106
Unless treatment facilities are designed, constructed, and put into operation by employees
perform such work for their respective companies in accordance with General Statutes, 89C
and sealed by a P.E.
SW U-229-071408
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), lanp � s arii_i s�t�lcations
DFNR - VV'.
6
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s1 signed
7/ 14108
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NCG140000 N.O.I.
3) Physical location information:
Please provide a narrative description of how to get to the facility (use street names, state road numbers, and
distance and direction from a roadway intersection). R IG(3-T C7 (= F= H (IvY 9 . EA S T
Ot-_ nnl `TO M 1U.32i�-)R . r7Aue-i ; Y ony 020
(A copy of a county map or US�GIS quad Sheet with facility clearly located on the-+fiap is a required par[ of this application.)
4) Latitude 3So1131,4 it Longitude 4-014's (deg, min, sec)
5) This NPDES Permit Application applies to which of the following:
❑ 4xisting
ew or Proposed Facility Date operation is to begin
6) Standard Industrial Classification:
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial
activity at this facility
SIC Code: 3 a— 7-
7) Provide a brief description of the types of industrial activities and products produced at this facility:
(Include a site diagram showing the process areas present at this facility.)
8) Discharge points 1 Receiving waters:
How many discharge oints (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the
property? 61
What is the name of the body or bodies of watgr (creek streamr� river, lake, etc.) that the facility stormwater
and/or wastewater discharges end up in?
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). M �A
Receiving water classification (if known): NP V-NOWitJ��
Note: Discharge of process wastewater to receiving waters classified as WS-II to WS-V or SA must
be approved by the N.C. Dept. of Environmental Health. If DEH 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.
9) Does this facility have any other NPDES permits?
L� No
❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility:
10) Does this facility have any Non -Discharge permits (ex: recycle permits)?
10 No
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
11) Does this facility employ any best management practices for stormwater control?
El N
Ze s
If yes, please briefly describe: AN D PtGYGCE
Hi
WATa.
Page 2 of 5
SW U-229-071408 Last revised 7/14/2008

NCG140000 N.O.I.
12) Does this facility have a Stormwater Pollution Prevention Plan?
� Yes pp�� t
If yes, when was it implemented? P p-t0[2— TD 'd?�}�1o/`y.
13) Are vehicle maintenance activities occurring or planned at this facility?
2-No
❑ Yes
Wastewater Treatment Design Information
14) Are discharges occurring or planned from any of the following proccee wastewater generating activities?
Vehicle and equipment cleaning ❑ Yes L7 No _
Wetting of raw material stockpiles L'd Yes ❑ No r LDLA) S
_. /
Mixing drum cleaning ❑Yes LU'f�o TAP
If yes to any of the above, please describe the type of process used to treat and/or recycle the process
wastewater.
vklFor a sufficient application, you must provide design specifics (e.g., design volume, retention time, surface
area, etc.) and calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU, Total
Suspended Solids (TSS) — 30 mg/I, and Settleable Solids (SS) — 5 ml/I.) [Use separate sheet(s)].
It all these discharges are recycled, please refer to Question 15.
For plants that recycle and/or discharge process wastewater:
When applying for this permit, you are also applying for an authorization to construct (new
treatment facilities) or authorization to continue to operate (existing treatment facilities) as
part of the NOI. For new sites, you must submit three (3) sets of design plans and
specifications with this application and provide supporting calculations that predict
compliance of final discharge with permit limits. For existing sites, applicants should submit
three (3) sets of plans and specs for facilities as -built and provide as many design details as
possible, or submit a detailed diagram of treatment systems in place that includes information
such as tank volumes, dimensions, retention time, piping, settling basin details, etc.
Please note: if new treatments stems are tanned for an existing site, an ATC will be required
prior to construction of those facilities. Plans/specs/calculations prepared by a P.E. and the
request for an ATC may be submitted with this NOI, or separately at a later date. DWO may
request the status of your plans for requesting an ATC upon issuance of the COC.
15) Does the facility use or plan to use a recycle system?
V'yes
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
,5 year, 24-hr rainfall event
For a recycle system (regardless of when it overflows), please provide plans, calculations, and design
specifics (e.g., throughput assumptions/water balance, design volume, retention time, surface area, amount of
freeboard in design storm event, etc.). [Use separate sheet(s)].
For a sufficient application, the information must demonstrate compliance of final discharge with permit
effluent limits (pH - 6-9 SU, Total Suspended Solids (TSS) - 30 mg/l, and Settleable Solids (SS) - 5 ml/1), or
must demonstrate that the recycle system has sufficient capacity to contain runoff from a 25-year, 24-hr
rainfall event plus one foot of freeboard under design operating conditions.
Page 3 of 5
SWU-229-071408 Last revised 7/14/2008

NCG140000 N.O.I.
16) Are stewater treatment facilities (including recycle systems) planned in the 100-year flood plain?
h No ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design
requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.)
17) Hazardous Waste:
a) Is t facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
No
❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
haz dous waste?
No
❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
haz ous waste?
No
❑ Yes
d) If you answered yes to questions b. or c., please provide the following information: H 1
Type(s) of waste:
How is material stored:
Where is material stored:
How many disposal shipments per year:
Name of transport 1 disposal vendor:
Vendor address:
18) 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).
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 Na a of Person Signing: �� n �?_A t I✓
Title: �e -D�
��)A !�AAAOA
(Signature of Applicant) (Date Signed)
Notice of intent must be accompanied by a check or money order for $100.00 made payable to:
NCDENR
Page 4 of 5
SWO-229-071408 Last revised 7/14/2008

NCG140000 N.O.I.
Final Checklist
This plication will be returned as incomplete unless all of the following items have been included:
eck for $100 made payable to NCDENR.
This completed application and all supporting documentation (including design details and calculations for
treatment systems).
El If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR)
VIf or local designee: documentation verifying applicant has developed and submitted that Plan to the governing
agency (required per 15A NCAC 02H .0138).
❑ For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and
s� specifications for wastewater treatment facilities (including recycle systems), signed and sealed by a
rofessional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7).
For existing sites: three (3) copies of plans and specifications for wastewater treatment facilities (including
recycle systems) as built, stamped and sealed by a Professional Engineer, or (only if plans not available) a
etailed diagram of treatment systems in place that includes information such as tank volumes, dimensions,
21/ retention time, piping, settling basin details, etc.
A site map showing, at a minimum, (existing or proposed):
(a) outline of drainage areas, (b) stormwaterlwastewater treatment structures, (c) location of
stormwaterlwastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures,
(e) areas where materials are stored, (f) impervious areas, and (g) site property lines.
A county map or USGS quad sheet with location of facility clearly marked.
Mail the entire package to:
Stormwater Permitting Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
For questions, please contact the DWQ Regional Office for your area.
DWQ 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 .........(919)
807-6300
Page 5 of 5
SWU-229-071408 Last revised 7/1412008

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RECYCLE PUMP INFORMATION
GOULD PUMP
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model 3656 imp. Dia. 5 15116
size 1 112 x 2 - 6
ELECTRIC MOTOR
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CAT # JMM3212T
SPEC 36H823Y802
HP 5
VOLTS 208 - 230 I 480
AMPS 12.5 - 12 16
RPM 3450
FRAME 182JM HZ 60 PH 3
SER. F. 1.15 CODE K DES B CLASS B
NEMA NOW EFF 84% P. F. 92%
RATING 40C AMB - CONT
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BEARINGS DE 6207 ODE 6205
ENCL OPSB SN F0801030744

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Dwight S. Kurtz, PE
3693 Buffalo West Springs Hwy.
Buffalo, SC 29321
PHONE/FAX: [phone] EMAIL: dwightkurtz[a?depual-engineering.com
January 21, 2009
Stormwater Permitting Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Attn: Bethany Georgoulias
Subject: Stormwater and Process Wastewater Discharge Permit, Blue Readi-Mix, LLC, 7406 Millbrook
Road, Harrisburg, NC 28075
Dear Ms. Georgoulias,
In response to your email dated September 30, 2008, I offer the following responses.
1. State Stormwater Post -Construction Control Requirement has been met by submittal to and approval
by the Town of Harrisburg.The site design incorporates a Wet Pond designed in accordance with the NC
BMP Manual. See the attached letter of approval from the Town of Harrisburg (Attachment 1).
2. Runoff from wetting of aggregates will flow to the Wet Pond prior to being discharged from the
property. The Wet Pond is a prescriptive design provided in the NC BMP Manual. The NC BMP
Manual allows a credit of 80% removal of the suspended solids with a Wet Pond. The Wet Pond
designed for this site has a surface area to drainage area ratio of 5.38. The Manual requires a surface
area to drainage area ratio of 4.5 for a 90% TSS removal for an average depth of 3 feet with 80%
impervious surfaces. With a larger surface area to drainage area than required, it is anticipated to have
removal efficiencies in excess of 90%. This removal efficiency is based on a Cecil soil type.
Cecil soils have a high percentage of fines. 37.6% of a typical Cecil soil passes a 0.063mm (0.0025")
sieve. Sand and coarse aggregates for concrete are limited by ASTM C33 to 5% of the material passing
a 200 sieve. A 200 sieve has 200 openings per inch. This equates to a 0.005" opening, which is twice
the size of the 0.0025" sieve. Typical tests on material that will be utilized at this plant have a lower
percent passing the 200 sieve than required by ASTM C33. Sand ranges between 1.8% and 2% passing
the 200 sieve. Coarse aggregate is below 1% passing a 200 sieve. The runoff from the aggregate
stockpiles will not load the Wet Pond as much as stormwater.
The aggregate stockpiles will be wet with city water during the summer months. All aggregates and the
city water were tested for Ph level by David Melson (QC — Blue Dot). The results are shown on
attachment 2. All materials tested between 7.0 and 7.91.

3. The outfall is labeled on the enclosed drawing. The final contours and flow directions are shown on
the enclosed drawing. The only flow from this site that does not pass through the Wet Pond is around
the perimeter of the property where slopes were required to bring the site to grade. These perimeter
areas will be grassed to minimize erosion, and there is no process water present in these areas.
Call if there are any questions or additional information is required.
TWnou,
Dwight S. Kurtz, PE

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Beverly Eaves Perdue
Governor
RCDGJf\n
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Coleen H. Sullins
Director
Mr. Paul Cochrane
P.O. Box 23029
Charlotte, NC 28227
Dear Mr. Cochrane:
January 30, 2009
Dee Freeman
Secretary
Subject: General Permit No. NCG140000
Blue Dot Readi-Mix, LLC --
Harrisburg
COC No. NCG140384
Cabo-rrk5 County
In accordance with your application for a discharge permit received on August 26, 2008, and
additional information received January 23, 2009, we are forwarding herewith the subject certificate of
coverage (COC) 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 is not transferable except after notice to the
Division of Water Quality. The Division of Water Quality may require modification or revocation and
reissuance of the certificate of coverage. This permit does not affect the legal requirements to obtain
other permits which may be required by the Division of Water Quality or permits required by the
Division of Land Resources, Coastal Area Management Act or any'other federal or local governmental
permit that may be required.
An Authorization to Construct treatment facilities has been issued concurrently with this
COC. The Mooresville Regional Office, telephone number [phone], shall be notified at least
forty-eight (48) hours in advance of operation of the installed facilities so that an in-ptace inspection
can be. made. Such notification to the regional supervisor sliall be made during the normal office'
hours from 8:00 a.m. until 5.00 p.m. on Monday through Friday, excluding State Holidays.
Welands and Stormwater Branch
1617 Mail SWce Center, Rale`gh, North Carolina 27699-1617
Lacdow 512 N. Salisbury St. Rale!gh, North Carolina 27604
Phone: [phone] FAX: [phone] Customer SeMO: 11-877-6210748
Inlemel: www.ncwalergva%.org
An Egaa1 0ppWv6ty 1 AZtmstive AdIon Emproyat
One
N Carolina
atuMI111

Mr. Paul Cochrane
Blue Dot Reath -Mix, LLC - Narrisburg
NCG140384
wary 30, 2009
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, the associated Authorization to
Construct, and the approved plans and specifications. Please mail the certification (attachcd) to
the Stormwater Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.
Please note that any future construction, installation, or modification of wastewater treatment facilities
(including process wastewater recycle systems) will require an Authorization to Construct (ATC) prir to
construction per 1 SA NCAC 2H .0138 & .0139. You must submit, in triplicate, plans/specifications and design
calculations, stamped and sealed by a professional engineer, with a letter requesting an ATC to the Stormwater
Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.]
One (1) set of approved -plans and specifications is being forwarded to you. The Permittce shall
maintain a copy of the approved plans and spccifications on file for the life of the facility. If you have any
questions concerning this permit or Authorization to Constrict, please contact Bethany Georgoulias at
telephone number [phone].
Sincerely,
!.[lz
for Coleen H. Sullins
cc: Mooresville Regional Office
Central Files
Stormwater Permitting Unit Files
enclosure

Mr. Pjiul Cochrane
Blue. Dot Reach -Mix, LLC - I-iara'isbaarg
NCO 140384
"inaaary 10, 2009
E!2�glnear"s Certification (COC No. NCG140384)
m a duly registered Profession;al Engineer in the Mate of North
C:aaroliaaa, having been authorized to observe (periodically, weekly, bill time) the
_� -& cot. theionstrtion of the project, �
Proaeci Name Loceation
Permittee hereby state that, to the nest of any ;abilities, due care, and diligence was used in the observation of
the lollo wing instaallations-
C ollstrtaction of a process wastewater recycle system at the Blue Drat Readi-Mix, LIX — Harrisburg site
Construction of a stornmiter retention pond that will alga treat wastewater associated with the wetting
clown of stockpiles
1 ccrtily thaat the constrcaz ticsaa of t�lae above referenced project. was cabserved to b�' uilft k 41,:Sulastantial
..,
Compliance and int€ w of the approved clans and s p ecificat°i s.
zEk
Signal+are Registration i fs. law
_._._.._
'ate 0
Mail this Certification to: Stormwater Permitting Unit
:NC Division of Water Quality
1617 Mail Seryiee Center
Raaleigh,,NG 2-7699-1017

Mr. Paul Cochranc
Blue -Dot Readi-Mix, LLC - Harrisburg
NCG140384
'-knuary 30, 2009
Engineer's Certification (CQC No. NCG140384)
1, Dwial ( S, K tAiZTz as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the
construction of the project, KkA F Do T 9EAD I iM I Y , 44 A 12 1 )& 2 for the
Project Name T Location
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of
the following installations:
Construction of aprocess wastewater recycle system at the Blue Dot Read i-Mix, LIX — Harrisburg site
• Construction of a storniwater retention pond that will also treat wastewater associated with the wetting
down of stockpiles
1 certify that the construction of the above referenced project was observed to bye �iiilt4wa� .substantial
compliance and intent of the approved plans and specifications. Or. fit.....
;•��4 SEAL
`
Signature Registration go. 18886 _
.ate
/f
Mail this Certification to: Storrnwater Permitting Unit
NC Division of Water Quality
1617 Mail Service Center
Raleigh,'.NC 27699-1617

r�
_& ;Ai
AQ0,
NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
January 30, 2009
Mr. Paul Cochrane
P.O. Box 23029
Charlotte, NC 28227
Subject: Generat Permit No. NCG 140000
Blue Dot Readi-Mix, LLC —
Harrisburg
COC No. NCG140384
garmmnbre County
C&�a rruS
Dear Mr. Cochrane:
In accordance with your application for a discharge permit received on August 26, 2008, and
additional information received January 23, 2009, we are forwarding herewith the subject certificate of
coverage (COC) to discharge under the subject state — NPDES general permit. This permit is issued
pursuant to the requirements of North Carotina 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 is not transferable except after notice to the
Division of Water Quality. The Division of Water Quality may require modification or revocation and
reissuance of the certificate of coverage. This permit does not affect the legal requirements to obtain
other permits which may be required by the Division of Water Quality or permits required by the
Division of Land Resources, Coastal Area Management Act or any other federal or local governmental
permit that may be required.
An Authorization to Construct treatment facilities has been issued concurrently with this
COC. The Mooresville Regional Office, telephone number [phone], shall be notified at least
forty-eight (48) hours in advance of operation of the installed facilities so that an in -place inspection
can be made. Such notification to the regional supervisor shall be made during the normal office
hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays.,
Wetlands and Stormwater Branch
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] \ FAX: [phone] \ Customer Service: 1-877.623.6748
lnlemel: www,ncwaterquality.org
An Equal Opportunity\ Affirmative Action Employer
ne
NorthCarolina
Aatlll"l llff

Mr. Paul Cochrane
Blue Dot Readi-Mix, LLC - Harrisburg
NCG 140384
January 30, 2009
Upon completion of construction and prior to operation of this permitted facility, a
certification must he received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, the associated Authorization to
Construct, and the approved plans and specifications. Please mail the certification (attached) to
the Stormwater Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.
Please note that any future construction, installation, or modification of wastewater treatment facilities
(including process wastewater recycle systems) will require an Authorization to Construct (ATC) prior to
construction per 15A NCAC 2H .0138 & .0139. You must submit, in triplicate, plans/specifications and design
calculations, stamped and sealed by a professional engineer, with a letter requesting an ATC to the Stormwater
Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.1
One (1) set of approved plans and specifications is being forwarded to you. The Permittee shall
maintain a copy of the approved plans and specifications on file for the life of the facility. If you have any
questions concerning this permit or.Authorization to -Construct, please contact Bethany Georgoulias at
telephone number [phone].
Sincerely,
LlJ�_
for Coleen H. Sullins
cc: Mooresville Regional Office
Central Files
Stormwater Permitting Unit Files
enclosure

Mr. Paul Cochrane
Blue Dot Readi-Mix, LLC - Harrisburg
NC6140384
January 30, 2009
Engineer's Certification (COC No. NCG140384}
I, _ _, as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the
construction of the project,
for the
Project Name Location
Perrnittee hereby state that, to the best of my abilities, due care and diligence was used*in the observation of
the following installations:
• Construction of a process wastewater recycle system at the Blue Dot Readi-Mix, LLC — Harrisburg site
• Construction of a storrnwater retention pond that will also treat wastewater associated with the wetting
down of stockpiles
I certify that the construction of the above referenced project was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Mail this Certification to: Stormwater Permitting Unit
NC Division of Water Quality.
1617 Mail Service Center
Raleigh, NC 27699-1617

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140384
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT D(SCHARGE EL[MINAT[ON 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,
Pain Cochrane
is hereby authorized to operate a process wastewater treatment system, and is hereby authorized
to discharge process wastewater and storimvater from a facility located at
Blue Dot Readi-Mix, LLC — Harrisburg
'7406 Millbrook Road
Harrisburg
Cabarrus County
to receiving waters designated as Back 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, II, III, IV, V, and VI of General Permit No: NCG 1.40000 as attached.
This certificate of coverage shall become effective January 30, 2009.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day January 30, 2009.
for Coleen H. Sullins, Director
Division of Water Quality
By the Authority of the Environmental Management Commission

Mali
Blue Dot Readi-Mix, LLc
0 If N
L k
6_1
OU
r-\k
Y
NCG140384
N
W E
S
Map Scale 1:24, 000
Blue Dot Readi-Mix,, LLC -
Harrisburg
Latitude: 3511 18'44" N
Longitude: 800 40' 45" W
County; Cabarrus County
Receiving Stream: Back Creek
Stream Class. C -
Sub -basin. 03-07-11 (Yadkin -Pee bee River Basin)
Y> �J
112 UP j
Facility Location

NCG140384 September 29, 2008
B. Georgoulias
Revised 1/29/09
Blue Dot Readi-Mix, LLC (Harrisburg)
Summary
This facility submitted a Notice of Intent to be covered under General Permit NCO140000
(Ready -mixed Concrete). The stormwater discharge. drains to Back Creek (Class C), in the
Yadkin -Pee Dee River Basin. This facility is located in Cabarrus County, handled by
the Mooresville Regional Office.
Application review
a) The permit application has been signed and sufficiently completed. Yes, but
additional information on wastewater treatment system design needed
to complete ATC review. Also, initially thought Post -Construction
permit from DWQ necessary, but this is in Harrisburg's ETJ (Harrisburg
is a Phase II city), so the local government is responsible for the post -
construction program. HDR Engineering is doing reviews for
Harrisburg (contact: Patrick Blandford). Application first received in
August 2008 (preliminary review by R. Patterson).
b) The SIC code accurately describes this facility's activities and is covered by this
general permit. Yes, SIC 3273 (Ready -mixed Concrete).
c) Does the facility propose a new or expanding wastewater discharge to ORW
waters (not allowed), or waters upstream of ORW (special limits may apply)?
No.
d) DEH or Shellfish Sanitation Approval Required? NIA
e) Does this facility have other perinits? No. However, local stormwater
control requirements by Harrisburg/Cabarrus County apply.
f) Hazardous Waste Activities? No.
g) DLR Mining Permit status: NIA
h) Regional Office input requested: 1/21/09 (S. Bou-Ghazale, MRO)
RO Approval received: 1/28/09 (see attached e-mail).
i) Is an ATC/ATO Required (NCG02 or NCG14)? Yes. See Special Notes.
j) Erosion/Sedimentation Plan Applied for [NCG14 or NCG02 ATC only]?
Yes —application included.
k) Application approved'? Yes. See add. info. review.
1) In Mecklenburg or Wake County (If so, copy final COC there)? No.

NCG140384
September 29, 2008
B. Georgoulias
Revised 1I29I09
in) Special Notes: An ATC is required; however, additional information
;seeded to demonstrate compliance with NCG14 limits. Applicant
proposes treating and recycling process wastewater (drum washout and
vehicle wash) at this site with a concrete settling and recycle system.
Also, aggregate/stockpile wet -down and associated run-off will flow to
the stormwater pond. Engineer needs to supply information to
demonstrate compliance with limits at outlet of pond (because it will
also treat wastewater). See phone logs and review notes below.
Phone logs
9/23/2008: Phoned Paul Cochrane (704.971.7676) to ask for add. info. and
investigate post -construction stormwater requirements.
9/26: Returned call to consulting engineer, Dwight Kurtz (864.427.5407).
9/29: Spoke with D. Kurtz about what wastewaters will be going where. See follow
up e-mail from 9/30 (attached). Note —eventually determined post -
construction permit from DWQ not necessary because this is in Harrisburg's
ETJ.
Original Plan Submittal Review
• Recycle system designed for 25-year, 24-hour storm with one foot freeboard.
• Design basis:
o No pH adjustment; may be okay since concrete structure and
conservative design.
o Includes an overflow basin that will allow the operator to drain other
cells to for cleanout/maintenance purposes.
o Calculations demonstrated sufficient volume in [overflow basin + 3
recycle basins above operating level] to contain [24-hour storm +
freeboard] volume.
o Recycle system water balance, Part I: first calculation showed
drum/chute wash -off and spillage will generate only 17 percent of water
needed for daily production. End of day drum washout will use recycled
water.
o Recycle system water balance, Part 11: second calculation applied
estimated percent of wastewater not reused but needed in concrete
production (i.e., 1-0.17, or 83% of each 35 gal/CYD) to calculate the
volume of concrete production necessary to use up yearly rainfall from
this drainage area (7,9631 sq. ft). With a restraint of using only 50%
recycled water in production, can produce >16,000 CYDs/yr, well under
the 30,000 CYDs anticipated. OK. (Have never seen it done this way
before — interesting way to assess the design).

-`'CGS 40384 September 29, 2008
B. Georgoulias
Revised 1/29109
• Wet -down of aggregate piles going to stormwater pond. Must demonstrate
compliance with TSS, SS, and pH.
1/29/09
Additional Information Review
✓ Engineer submitted revised plans '
✓ Engineer supplied information to show:.
o pH of both the stockpile aggregate and city water that will be used for
spray down to be between 7.0-8.0 SU, and
o Stormwater wet pond designed to remove 90% or better TSS based on
SA/DA ratio and depth, and Cecil soil type. Because Cecil soils contain
a much larger fraction of particles finer than'the aggregate or sand
passing through a standard sieve, concluded that runoff from the
stockpiles will not load the wet pond as much as the stormwater
running off the site.
o Should not have a problem meeting TSS and SS limits. If there are
problems, stormwater pond is probably not working properly.
o Accepting this info. in lieu of more detailed calcs that specifically
demonstrate treated runoff will meet 30 mg/1 TSS because if no
wetting of piles ever occurred, we would not consider rainfall on
washed stone and sand at these sites to be wastewater anyway...
o And ... in that case, all of that `stormwater runoff' would be treated in
the same manner is this irrigation water. Moreover, irrigation runoff
during dry periods between events will have more treatment capacity
available to it because it won't be "competing" with other stormwater
entering the pond.
✓ Reviewer finds this information acceptable to complete the application and
issue the ATC and COC.

8
NCDENR Stormwater BMP Manual Chapter Revised 09-28-07
Table 10-1
Surface Area to Drainage Area Ratio for Permanent Pool Sizing to Achieve 85Percent TSS
Pollutant Removal Efficiencv in the Mountain and Piedmont Regions, Adapted from Driscoll,1986
Percent
Impervious
Cover
3.0
4.0
Permanent Pool Average Depth (ft)
5.0 6.0 7.0
8.0
9.0
1070
0.59
0.49
0.43
0.35
0.31
0.29
0.26
20%
0.97
0.79
0.70
0.59
0.51
0.46
0.44
30%
1.34
1.08
0.97
0.83
0.70
0.64
0.62
40%
1.73
1.43
1.25
1.05
0.90
0.82
0.77
5076
2.06
1.73
1.50
1.30
1.09
1.00
092
60%
2.40
2.03
1.71
1.51
1.29
1.18
1.10
70%
2.88
2.40
2.07
1.79
1.54
1.35
1.26
80%
3.36
• 2.78
2.38
2.10
1.86
1.60
1.42
90%
3.74
3.10
2.66
2.34
2.11
1.83
1.67
Table 10-2
Surface Area to Drainage Area Ratio for Permanent Pool Sizing to Achieve 85 Percent TSS
Pollutant Removal Efficiencv in the Coastal Renion. Adapted from DriscolI.1986
Percent
Impervious
Cover
3.0
3.5
4.0
Permanent Pool Average Depth (ft)
4.5 5.0 5.5 6.0.
6.5
7.0
7.5'
10%
0.9
0.8
0.7
0.6
0.5
0
0•
0
0
0
20%
1.7
1.3
1.2
1.1
1.0'
0.9
0.8
0.7
0.6
0.5
30%
2.5
2.2
1.9
1.8
1.6
1.5
1.3
1.2
1.0
0.9
40%
3.4
3.0
2.6
2.4
2.1
1.9
1.6
1.4
1.1
1.0
50%
4.2
3.7
3.3
3.0
2.7
2.4
2.1
1.8
1.5
1.3
60%
5.0
4.5
3.8
3.5
3.2
2.9
2.6
2.3
2.0
1.6
70%
6.0
5.2
4.5
4.1
3.7
3.3a
2.9
2.5
2.1
1.8
80%
6.8
6.0
5.2
4.7
4.2
3.7
3.2
2.7
2.2
2.0
90%
7.5
6.5
5.8
5.3
4.8
4.3
3.8
3.3
2.8
1.3
10010
8.2
7.4
6.8
6.2
5.6
-5.0
4.4
3.8
3.2
2.6-
Table 10-3
Surface Area to Drainage Area Ratio for Permanent Pool Sizing to Achieve 90 Percent TS5
Pollutant Removal Efficiency in the Mountain and Piedmont Regions, Adapted from Driscoll, 1986
Percent
Impervious
Cover
3.0
3.5
4.0
Permanent Pool Average Depth (ft)
' 4.5 5.0 5.5 6.0 6.5 7.0--
7.5
- 8.0
8.5
9.0
10%
0.9
0.8
0.8
0.7
-0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4.
0.4
20%
1.5
1.3
1.1
1.0
1.0
0.9
0.9
0.9
0.8
0.8
0.8
0.7
0.7
30%
1.9
1.8
1.7
1.5
1.4
1.4
1.3
1.1
1.0
1.0
1.0
0.9
0.9
40%
2.5
2.3
2.0
1.9
1.8
1.7
1.6
1.6
1.5
1A
1.3
1.2
1.1
50%
3.0
2.8
2.5
2.3
2.0
1.9
1.9
1.8
1.7
1.6
1.6
1.5
1.5
60%
3.5
3.2
2.8
2.7
• 2.5
.2.4
2.2
2.1
1.9
1.9
1.8-
1.8
1.7
70%
4.0
3.7
3.3
3.1
2.8
2.7
2.5
2.4
2.2
2.1
2.0
2.0
1.9
80%
4.5
4.1
3.8
3.5
3.3
3.0
2.8
2.7
2.6
2.4
2.3
2.1
2.0
90%
5.0
4.5
4.0
3.8
3.5
3.3
3.0
2.9
2.8
2.7
2.6
2.5
2.4
Wet Detention Basin 10-9 July 2007

Re: NOI/ATC Application from Blue Dot Readi-Mir
Subject: Re: NOVATC Application from Blue Dot Readi-Mix
From: Samar Bou-Ghazale <[e-mail]>
Date: Wed, 28 Jan 2009 ] 0:43:33 -0500
To: Bethany Georgoulias <[e-mail]>
Good Morning,
I met with Dwight Kurz, Consultant Engineer for Blue Dot Readi-mix, LLC on Friday
1/23/09. Based on field inspection, we have no objection for you issuing the permit
for the subject facility. Also, I investigated the other issues raised by Mr. Adcock
regarding discharges from Thomas Concrete. Based on my investigation, we will have no
problem identifying the source of discharge pertaining to each facility. 'thanks
Samar
Bethany Georgoulias wrote:
Hi Samar,
We've received an NOT for this proposed Ready -Mix Plant in Harrisburg (Cabarrus
Co.) for coverage under NCG14, which includes an ATC request for the wastewater
treatment systems (recycle system and the wet pond, which will receive runoff from
aggregate pile irrigation). There's still some add. info. pending (I've asked for
more support for a wet detention pond being able to treat runoff from aggregate
spray down and no pH problems), and I'm waiting on the final drawings from the
engineer, but I wanted to go ahead and touch base on this one.
There was some confusion early on about whether the stormwater pond would need a
post -construction permit from our office. Turns out it's in the city of
Harrisburg's ETJ, and that city is taking care of the review and approval (which I
think they just finished). (Our interactive map wasn't up to date on where that
ETJ was.] Because the pond receives wastewater, though, it still falls under our
'authorization to construct' requirement, This plant will discharge stormwater and
wastewater (if the recycle system overflows) to Back Creek, class C waters.
**There's some other important info. on this one that the MRO should look into.
Today Mr. Ernie Adcock (980-721-8882) of the Masonry company that's building this
plant called because he had some concerns. Apparently this place is across the
road from an existing ready -mix plant (maybe one that recently changed hands?). It
sounds like those people have a retention (or other kind) of pond where trucks may
be rinsing, and that may be overflowing into the creek. Mr. Adcock wasn't trying
to be a tattletale, but he was concerned that any stream impacts could unfairly be
attributed to Blue Dot in the future...he just wasn't sure how to handle it without
seeming like a bad neighbor. I advised that since the MRO has to send an inspector
out before the plant's WW systems can start up anyway (and maybe earlier, if you
decide to visit prior to the COC/ATC issuance), it might be a�good chance to survey
the situation and see what's going on (even if it is a legitimate "complaint" as
is). The consultant (Dwight Kurz, 864-427-5407) explained that Blue Dot's
stormwater will discharge up -gradient of their neighbors, so the other guys are
probably looking out for what's going to come onto their property, but Mr. Adcock
is worried about being associated with bad practices that could be going on
downstream. So ... not sure -how to handle that, but could you or other MRO staff
check it out when you're there?
I'm attaching the NOT to this email, and I'll forward you a hard copy of the plans
I have, but there is a revision in the works that I'll forward later (should get it
this week). It will probably help to have those, but you could always contact the
consultant if you're headed out there sooner. The recycle system calcs were
attached to the NCI, so they're here, too.
Could you all let us know if you have any concerns about issuing this facility a
COC/ATC for this general permit? I thought we were going to get the rest of the
info. back before Christmas, so I apologize for waiting so long to get it out to
you.. Maybe I'll see you at the West Consistency meeting next week.
Thanks so much!
Bethany
1 of 2 l /28/2009 2:09 I'M

Re: NOUATC Application from Blue Dot Readi-Mix
Samar Bou-Ghazale - [e-mail].
Environmental Engineer 'II
North Carolina Dept. of Environment & Natural Resources
Div. of Water Quality
610 E. Center Ave., Suite 301
Mooresville, NC 28115
Ph: [phone] Fax: [phone]
2 of 1/28/2009 2:09 PM

NOI/ATC Application from Blue Dot Reach -Mix
Subject: N01/ATC Application from Blue Dot Readi-MIX
From: Bethany Georgoulias<[e-mail]>
Date: Wed, 21 Jan 2009 15:09:18 -0500
To: Samar Bou-Ghazale <[e-mail]>
Hi Samar,
We've received an NOI for this proposed Ready -Mix Plant in Harrisburg (Cabarrus Co.)
for coverage under NCG14, which includes an ATC request for the wastewater treatment
systems (recycle system and the wet pond, which will receive runoff from aggregate
pile irrigation): There's still some add. info. pending (I've asked for more support
for a wet detention pond being able to treat runoff from aggregate spray down and no
pH problems), and I'm waiting on the final drawings from the engineer, but I wanted to
go ahead and touch base on this one.
There was some confusion early on about whether the stormwater pond would need a
post -construction permit from our office. Turns out it's in the city of Harrisburg's
ETJ, and that city is taking care of the review and approval (which I think they just
finished). [Our interactive map wasn't up to date on where that ETJ was.] Because
the pond receives wastewater, though, it still falls under our 'authorization to
construct' requirement. This plant will discharge stormwater and wastewater (if the
recycle system overflows) to Back Creek, class C waters.
**There's some other important info. on this one that the MRO should look into. Today
Mr. Ernie Adcock (980-721-8882) of the Masonry company that's building this plant
called because he had some concerns. Apparently this place is across the road from an
existing ready -mix plant (maybe one that recently changed hands?). It sounds like
those people have a retention (or other kind) of pond where trucks may be rinsing, and
that may be overflowing into the creek. Mr. Adcock wasn't trying to be a tattletale,
but he was concerned that any stream impacts could unfairly be attributed to Blue Dot
in the future ... he just wasn't sure how to handle it without seeming like a bad
neighbor. I advised that since the MRO has to send an inspector out before the
plant's WW systems can start up anyway (and maybe earlier, if you decide to visit
prior to the COC/ATC issuance), it might be a good chance to survey the situation and
see what's going on (even if it is a legitimate "complaint" as is). The consultant
(Dwight Kurz, 864-427-5407) explained that Blue Dot's stormwater will discharge
up -gradient of their neighbors, so the other guys are probably looking out for what's
going to come onto their property, but Mr. Adcock is worried.about being associated
with bad practices that could be going on downstream. So ... not sure how to handle
that, but could you or other MRO staff check it out when you're there?
I'm attaching the NOI to this email, and I'll forward you a hard copy of the plans I
have, but there is a revision in the works that I'll forward later (should get it this
week). It will probably help to have those, but you could always contact the
consultant if you're headed out there sooner. The recycle system calcs were attached
to the NOI, so they're here, too.
Could you ail let us know if you have any concerns about issuing this facility a
COC/ATC for this general permit? I thought we were going to get the rest of the info.
back before Christmas, so I apologize for waiting so long to get it out to you. Maybe
I'll see you at the west Consistency meeting next week.
Thanks so much!
Bethany
Bethany Georgoulias
Environmental Engineer
NC DENR Division of Water Quality
stormwater Permitting Unit
tel. [phone]
fax [phone]
I oft 1/21/2009 3:09 I'M

NOI/ATC Application from Blue Dot Readi-Mir
NCG140384_NOl.pcif Content -Type: application/pdf
Content -Encoding: base64
r
2 of 2 1/21/2009 3:09 PM

Re: Blue Dot Readi-Mix - Harrisburg
Subject: Re: Blue Dot Readi-Mix - Harrisburg
From: Bethany Georgoulias <Bethany.Georgoulias&cmail.net>
Date: Wed, 10 Dec 2008 15:00:26 -0500
To: d%vightkurtz a depaul-engineering.com
Dwight,
I know we did finally figure out that the post -construction portion of this project ✓
was in fact in Harrisburg's ETJ and would be reviewed by that town, but to date I have
not seen any of the other additional information I requested for the ATC portion of
this NPDES NCG14000C permit. Should we have received something long ago, or is it
still pending? I believe that would have included info, to demonstrate the SW pond
would be adequate to treat discharge from the stockpile runoff, which is considered
wastewater. Please let me know an update of the status.
Thanks,
Bethany Georgoulias
Bethany Georgoulias wrote:
Dwight,
I just finished with my meeting this morning, but I will not have a chance to go
over your questions about the Post -Construction permit before leaving today. My
daughter is home sick today, and I will be leaving shortly to be home with her. I
apologize for the unforseen delay and will try to phone in the morning to go over
your questions.
I also said that I would summarize what we talked about in an e-mail, and I wanted
to send you that information as soon as I could. It sounds like you found the
forms, etc. -(be sure to include the.supplement forms as well) that you will need
for the State Stormwater Post -Construction permit -- probably a high density permit
in this case.
The issues we discussed yesterday are listed below;
1. State Stormwater Post -Construction Control Requirement
This project is a land disturbance that requires a State Stormwater Post
Construction Permit, as per the Phase II requirements that became effective in July
2007 (per Session Law 2006-246). The SWU-101 application form and BMP Manual
information is on our website here:
http://h2c.enr.state.nc.us/su/bmp forms.htm
The Post -Construction flyer I pointed you to, as well as other background info. on
Phase II Post -Construction and helpful links are on this page:
http_//h2o.enr.state.nc.us/su/NPDES Phase Il Stormwater Program.htm
For my review and processing of a state Stormwater permit,
NPDES-related permit and Authorization to Construct (ATC) ,requirements
2. You clarified that aggregate pile and other stockpile wetdown runoff will flow
into the proposed detention pond. Because these piles are being wet -down, any flow
(from wetting down, and/or any stormwater that contacts that area) from those piles
is considered wastewater. Therefore, the detention pond also becomes a wastewater
treatment device that must be included in our ATC review and approval for the NPDES
permit (General Permit NCG140000). As I explained, we will need additional
information per the NCG14 NOI for this pond as well -- i.e., demonstration that
discharge will meet the TSS, Settleable Solids, and pH limits in the permit.
Please provide an engineering based argument and supporting calculations and/or
data, as well as all assumptions, to demonstrate compliance with limits at the
discharge point.
3. Also, I can see where the likely discharge point from the pond at the southern
corner of the property will be. however, it would be helpful to clearly label all
discharge points (and whether they are stormwater only, wastewater only, or
l of 2 12/10/2008 3:00 111q

Blue Dot Readi-Mix - Harrisburg
Subject: Blue Dot Readi-Mix - Harrisburg
From: Bethany Georgoulias<[e-mail]>
Date: Tue, 30 Sep 2008 1 1:39:48 -0400
To: [e-mail]
CC: 'Robert Patterson' <[e-mail]>
Dwight,
I just finished with my meeting this morning, but I will not have a chance to go over
your questions about the Post -Construction permit before leaving today. My daughter
is home sick today, and I will be leaving shortly to be home with her. I apologize
for the unforseen delay and will try to phone in the morning to go over your
questions.
I also said that I would summarize what we talked about in an e-mail, and I wanted to
send you that information as soon as I could. It sounds like you found the forms,
etc. (be sure to include the supplement forms as well) that you will need for the',
State Stormwater Post -Construction permit -- probably a high density permit in this
case. t
The issues we discussed yesterday are listed below: `
1. State Stormwater Post -Construction Control Requirement
This project is'a land disturbance that requires a State Stormwater Post Construction
Permit, as per the Phase II requirements that became effective in July 2007 (per
Session Law 2006-246). The SWU-101 application form and BMP Manual information is on
our website here:, t. .� , s •' 3 1 ' f c
httri:-/'%h2�;-..(y6r: state'. nc. us/st /Smp forms . htin
The Post -Construction flyer I pointed you to, as well'as other background. -info. on
Phase II Post -Construction and helpful links are on t?L:s page:„
http://h2o.enr.state.nc.us/su/NPDES Phase II Stormwater Program.htm'. s_
For my review and processing of a state stormwater permit,
NPDES-related permit and Authorization to Construct (ATC) requirements
2. You clarified that aggregate pile and other stockpile wetdown runoff will flow into
the proposed detention pond. Because these piles are being wet -down, any flow (from
wetting down, and/or any stormwater that contacts that area) from those piles is
considered wastewater. Therefore, the detention pond also becomes a wastewater v
treatment device that must be included in our ATC review and approval for the NPDES
permit (General Permit NCG140000). As I explained, we will need additional
information per the NCG14 NOI for this pond as well -- i.e., demonstration that
discharge will meet the TSS, Settleable Solids, and pH limits in the permit. Please
provide an engineering based argument and supporting calculations and/or data, as well
as all assumptions, to demonstrate compliance with limits at the discharge point.
3. Also, I can see where the likely discharge point from the pond at the southern /
corner of the property will be. however, it would be helpful to clearly label all
discharge points (and whether they are stormwater only, wastewater only, or
stormwater/wastewater) on the plans. These are what we will denote as outfalls. I'm
assuming with the proposed design, there is no anticipated discharge from the recycle
basin, so labeling an outfall for that system is not necessary. It would be
especially helpful to note which drainage areas correspond to which -- on the sheet
labeled 'POST,' it was a little hard to differentiate between the thick arrows showing
flow direction and boundaries of drainage areas.
I have done a preliminary review of the recycle system water balance but have not yet
had a chance to thoroughly go through it. I may have additional questions about the
proposed design or assumptions that I will try to send as soon as I can.
Again, I apologize for the delay in responding to your questions about the
post -construction permit and will return your call as soon as I can later in the week
(hopefully tomorrow, if I'm in). In the meantime, if you have general questions about
the state stormwater permit application process, you might try Robert Patterson in my
group at 919-807-6375.
1 of 2 9/30/2008 1 1:40 AM

Blue Dot Readi-Mix - Harrisburg
Regards,
Bethany Georgoulias
Bethany Geoxgoulias
Environmental Engineer
NC DENR Division of Water Quality
Stormwater Permitting Unit
tel. [phone]
fax [phone]
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2 of 2 9/30/2008 11:40 AM

Print Page - NC Areas Subject to Phase 11 Post -Construction & Other 5... http://204.211.239.202/stormwater/print.aspx?CMD=INITAA&XMIN=-8...
NC Areas Subject to Phase II Post -Construction IN Other Stormwater Program Requirements
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The map representations are the best available as of
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(city or county) in your location to verify spedfic
stormwater requirements. .
Areas subject to Stormwater Post -Construction
(Permitting) are based on existing programs and
Session Law 2006-246, NC Division of water
Quality, 8/28/2008
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Type:
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Notes :
Within 1, 2, or 3 miles of city limits
1 of 1 8/28/2008 11:20 AM

Dwight S. Kurtz, PE
3693 Buffalo West Springs Hwy.
Buffalo, SC 29321 p
PHONE/FAX: [phone] EMAIL: dwightkurtz(a�dcmua QB GI114
� 9
January 21, 2009 , o
Stormwater Permitting Unit 20'
Division of Water Quality 'gyp
1617 Mail Service CenterrQ
Raleigh, NC 27699-1617
Attn: Bethany Georgoulias
Subject: Stormwater and Process Wastewater Discharge Permit, Blue Readi-Mix, LLC. 7406 Millbrook
Road, Harrisburg, NC 28075
Dear Ms. Georgoulias,
In response to your email dated September 30, 2008, I offer the following responses.
1. State Stormwater Post -Construction Control Requirement has been met by submittal to and approval
by the Town of Harrisburg The site design incorporates a Wet Pond designed in accordance with the NC
BMP Manual. See the attached letter of approval from the Town of Harrisburg (Attachment 1).
2. Runoff from wetting of aggregates will flow to the Wet Pond prior to being discharged from the
property. The Wet Pond is a prescriptive design provided in the NC BMP Manual. The NC BMP
Manual allows a credit of 80% removal of the suspended solids with a Wet Pond, The Wet Pond
designed for this site has a surface area to drainage area ratio of 5.38. The Manual requires a surface
area to drainage area ratio of 4.5 for a 90% TSS removal for an average depth of 3 feet with 80%
impervious surlaces. With a larger surface area to drainage area than required, it is anticipated to have
removal efficiencies in excess of 90%. This removal efficiency is based on a Cecil soil type.
Cecil soils have a high percentage of fines. 37.6% of a typical Cecil soil passes a 0.063mm (0.0025")
sieve. Sand and coarse aggregates for concrete are limited by ASTM C33 to 5% of the material passing
a 200 sieve. A 200 sieve has 200 openings per inch. This equates to a 0.005" opening, which is twice
the size of the 0.0025" sieve. Typical tests on material that will be utilized at this plant have a lower
percent passing the 200 sieve than required by ASTM C33. Sand ranges between 1.8% and 2% passing
the 200 sieve. Coarse aggregate is below 1 % passing a 200 sieve. The runoff from the aggregate
stockpiles will not load the Wet Pond as much as stormwater.
The aggregate stockpiles will be wet with city water during the summer months. All aggregates and the
city water were tested for Ph level by David Melson (QC — Blue Dot). The results are shown on
attachment 2. All materials tested between 7.0 and 7.91.
Ci

3. The outfall is labeled on the enclosed drawing. The final contours and flow directions are shown on
the enclosed drawing. "fhe only flow from this site that does not pass through the Wet Pond is around
the perimeter of the property where slopes were required to bring the site to grade. These perimeter
areas will be grassed to minimize erosion, and there is no process water present in these areas.
Call if there are any questions or additional information is required.
,fc
Thank you,
OV
$EAL
18866
Jr
Dwight S. Kurtz, PE r''•.�rGjN�
G �'

� s
r
To: Blue Dot Readi-Mix
From: Town of Harrisburg Planning and Zoning Department
Date: 1-&09
Re: Zoning Site Plan Approval
ZONING SITE PLAN APPROVAL LETTER
Dear Applicant:
Please be advised that the zoning site plan you submitted for approval has been reviewed. We find the
plan to be acceptable in accordance with the Harrisburg Unified Development Ordinance. You may
proceed with securing a zoning permit for your site. This site plan will be valid so long as the zoning
classification and standards of your property do not change before the issuance of a building permit.
Please note that this approval is based on the plan submitted to this office. This site must comply with all
development requirements per the Zoning Ordinance. You are required to submit an amended set of
plans for review if there is any deviation from the set that has been approved or if there are any changes in
the information provided.
AN ONSITE INSPECTION IS REQUIRED TO VERIFY COMPLIANCE WITH THE APPROVED
PLAN PRIOR TO THE ISSUANCE OF A CERTIFICATE OF COMPLETION.
NOTE: THIS LETTER DOES NOT CONSTITUTE APPROVAL. FROM THE CABARRUS COUNTY
CONSTRUCTION STANDARDS DEPARTMENT.
Sincerely,
j, �--
Wayne Krimminger
Zoning Administrator
Town of Harrisburg

Fw: Ph Levels - Yahoo! Mail
Page I of I
MAIL
Fw: Ph Levels
From: "Paul Cochrane" <[e-mail]>
To. [e-mail]
image003 Jpg (3KB)
See below.
-----Original Message -----
From: David Melson
To: Paul Cochrane
Sent: Tue Sep 30 10:36:00 2008
Subject: Ph Levels
S <<image003,jpg>> and Ph — To
78 Stone — To
67 Stone — 7.0
467 Stone — To
H2O — 7.91
Best Regards,
David Melson
Quality Control Manager
office-704-971-4050
cell-704-201-1840
fax-803-802-8930
nextel-24*24306
Tuesday, September 30, 2006 10:44 AM
J� T I i C P TA lam'/ Y ! C�
http://Lis.mc3 71.maiI.yahoo. com/mc/showMessage?fid=I nbox&sort=date&order=down&st... 9/30/2008

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�tFe Division of Water Quality / Surface Water Protection
NCDENR National Pollutant Discharge Elimination System
t4c . cAr .. ern.,.. w.
E�..o.r Iwo Ne ncea C"
NCG140000
NOTICE OF INTENT
FOR AGENCY USE ONLY
Date Received
Year
Month
Da
G
Z
CcrtificatcofCovcra c
C a-3g
Check N 1 Amount
�D o0
Permit Assigned to
Utr J a �,
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 Ready Mixed Concrete
For now plant sites that will discharge or recycle process wastewater_ (even if commingled with -
stormwater):'This-NOI is also an APPLICATION -FOR Atrtilorization to Construct (ATC) wastewater
treatment facilities. ATC requests must be submitted at least 90 days prior to construction'.
For exit plant sites discharging or recycling process wastewater (even if commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to continue tooperate wastewater
treatment facilities in place. Construction, modification, or installation of any new treatment components
at an existing site requires an ATC.
Treatment facilities used to treat or recycle process wastewater (including stormwater BMP structures
treating process wastewater flows commingled with stormwater) require an ATC prior to construction
per 15A NCAC 2H .0138. The authorization to construct or continue to operate will be issued at the
same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities
must comply with requirements of 15A NCAC 21-1.0138 & .0139.
Construction of wastewater treatment facilities (this includes recycle systems) at new or existing plant
sites requires submission of three (3) sets of plans and specifications signed and sealed by a
Professional Engineer (P.E.) or qualified staff: along with this application. A copy of the design
calculations should be included. Please see questions 14 & 15.
For questions, please contact the DWQ Regional Orrice for your area. (See page 5)
(Please print or type)
1) Mailing address of owner/operator (address to which all permit correspondence will be mailed) -
co
tM
0
r.i
m
to
Name
Street Address
City
TMMhone No.
m of facility producing discharge:
Name 1' L� 11 ���i� 'd.�(1� : Ll-G (lz�r`]I Ui?-L-r
ity Contact — - -
�t Address
No.
Page I of 5
Fax:
'As per 15A NGAC 2H .0106
'Unless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to
perform such work for their respective companies in accordance with General Statutes, 89C-25 (7), plans and specifications must be signed
and sealed by a P.E.
S W U-229-101905
East revised 1011912005

a
NCG 140000 N.O.I.
3) Physical location information:
Please provide a narrative description of how to get to the facility (use street names, state road numbers, -and
distance and direction from a roadway intersection).
(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 - ti t_ Longitude L r!L L!'J (deg, min, sec) � � r' I -2 -2 _ �aG, �� T✓
5) This NPDES Permit Application applies to which of the following:
St New or Proposed Facility Date operation is to begin 1 '�b_ZOO IP.1
❑ Existing
i
6) Standard Industrial Classification:
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial
-_activity at-this.facility_
. SIC Code: i
7) Provide a brief description of the types of industrial activities and products produced at this facility:
(Include a site diagram showing the process areas present at this, facility.)
L a �Y�c i tr��=C�h' '("EWE i �' �i6p
8) Discharge points / Receiving waters:
How many discharge points (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the
property? `` "i 1.
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?LL4. �` hiar I'-
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 municipalstorm wer). AP IAC
Receiving water classification (if known): f {j
Note: Discharge of process wastewater to receiving waters classified as WS-II to WS-V or SA must
be approved by the N.C. Dept. of Environmental Health. If DEH 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.
9) Does this facility have any other NPDES permits?
[/No
❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility:
10) Does this facility have any Non -Discharge permits (ex: recycle permits)?
L� No
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
11) Does this facility employ any best management practices for stormwater control?
Vyes
If yes, please briefly describe:
� _!-- i'zn C'_�_ 5
Page 2 of 5
SWU-229-071408 Last revised 7/14/2008

NCG140000 N.O.I.
12) Does this facility have a Stormwater Pollution Prevention Plan?
❑ N0
R(Yes , r _
` If yes, when was it implemented?
13) Are vehicle maintenance activities occurring or planned at this facility?
LyJ No
❑ Yes
Wastewater Treatment Design Information
14) Are discharges occurring or planned from any of the following process wastewater generating activities?
Vehicle and equipment cleaning ; ❑ Yes N No
�4 • ��
Wetting of raw material stockpiles_ �_=1-.��Yes - No - -
Mixing drum cleaning . ❑ Yes �No `
If yes to any of the above, please describe the type of process used to treat and/or recycle the process
wastewater.
VFor a sufficient application, you must provide design specifics (e.g., design volume, retention time, surface
,41�3� area, etc.) and calculations to demonstrate compliance with permit effluent limits (pH - 6-9 SU, Total
Suspended Solids (TSS) - 30 mg1I, and Settleable Solids (SS) - 5 ml/l.) [Use separate sheet(s)].
It all these discharges are recycled, please refer to Question 15.
For plants that recycle and/or discharge process wastewater:
When applying for this permit, you are also applying for an authorization to construct (new
treatment facilities) or authorization to continue to operate (existing treatment facilities) as
part of the NOI. For new sites, you must submit three (3) sets of design plans and
specifications with this application and provide supporting calculations that predict
compliance of final discharge with permit limits. For existing sites, applicants should submit
three (3) sets of plans and specs for facilities as -built and provide as many design details as
possible, or submit a detailed diagram of treatment systems in place that includes information
such as tank volumes, dimensions, retention time, piping, settling basin details, etc.
Please note: If new treatment systems are planned for an existing site, an A TC will be required
prior to construction of those facilities. Plans/specs/calculations prepared by a P.E. and the
request for an ATC may be submitted with this NOI, or separately at a later date. DWO may
request the status of your plans for requesting an ATC upon issuance of the COC.
15) Does the facility use or plan to use a recycle system?
❑,/No
L�6 Yes
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
year, 24-hr rainfall event
For a recycle system (re ardless of when it overflows), please provide plans, calculations, and design
specifics (e.g_, throughput assumptions/water balance, design volume, retention time, surface area, amount of
freeboard in design storm event, etc.). [Use separate sheet(s)].
r For a sufficient application, the information must demonstrate compliance of final discharge with permit
ti effluent limits (pH — 6-9 SU, Total Suspended Solids (TSS) — 30 mg/l,'and Settleable Solids (SS) -- 5 ml/l), or
must demonstrate that the recycle system has sufficient capacity to contain runoff from a 25-year, 24-hr
rainfall event plus one foot of freeboard under design operating conditions.
Page 3 of 5
SWU•229-071408 Last revised 7/14/2008

NCG140000 N.O.I.
16) Ar wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain?
7No ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design
requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.)
17) Hazardous Waste:
a) IZo
s facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
has ardous waste?
Q No
❑ Yes
c) Is this facility a Large Quantity Generator 0000-kg._or more -of hazardous -waste -generated per -month) of —
ha rdous waste?
ha
❑ Yes
d) If you answered yes to questions b. or c., please provide the following information:
Type(s) of waste, -
How is material stored:
Where is material stored•.
How many disposal shipments per year:
Name of transport / disposal vendor: _
Vendor address:
18) 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: - _ L_L � L,i!` 02-I�riV �
--
Title: ��`r� LAY � _ _ - —
(Signature of Applicant) (Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to:
NCDENR
Page 4 of 5
SWU-229-071408 Last revised 7/14/2008

,. PROjE(; r JOB NO.
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AREA ABOVE OPERATING LEVEL = 88SF
}'FREEEBOARD = 46.5SF

RECYCLE PUMP INFORMATION
GOULD PUMP
index 3BF1J2A0
model 3656 imp. Dia. 5 15/16
size 1 1 /2 x 2- 6
ELECTRIC MOTOR
BALDOR RELIANCER
CAT # JMM3212T
SPEC 36H823Y802
HP 5
VOLTS 208 - 230 / 480
AMPS 12.5 - 12 / 6
RPM 3450
FRAME 182JM HZ 60 PH_-3-
SER. F. 1.15 CODE K DES B CLASS B
NEMA NOM. EFF 84% P. F. 92%
RATING 40C AMB - CONT
CC USABLE @ 208 VOLTS 12.6 A
BEARINGS DE 6207 ODE 6205
ENCL OPSB SN F0801030744

ST -A--
SOSID. 1054005
Date Filed: 7/16/2008 3:41:00 PM
Elaine F. Marshall
North Carolina Secretary of State
C200819800179
LIMITED LIABILITY COMPANY
ARTICLES OF ORGANIZATION
7406 MILLBROOK ROAD, LLC
The undersigned hereby submits these Articles of Organization for the purpose of
organizing a limited liability company under the laws of the State of North Carolina:
The name of the limited liability company is 7406 Millbrook Road, LLC.
2. The name and address of the person who executes these Articles of Organization in the
capacity of an organizer is as follows: Gary W. Smith, Wishart Norris Henninger & Pittman,
P.A., 6832 Morrison Boulevard, Charlotte, NC 28211.
3. The street address of the limited liability company's initial registered office is 11301
Blair Road, Charlotte, North Carolina 28227; the county in which the initial registered office is
located is Mecklenburg County and the name of the limited liability company's initial registered
agent at that address is Anthony C. Griffin.
4. The street address of the limited liability company's principal office is 11301 Blair Road,
Charlotte, North Carolina 28227 and the mailing address of the limited liability company's
principal office is Post Office Box 23027, Charlotte, North Carolina 28227. The county in which
the principal office is located is Mecklenburg County, North Carolina.
5. Except as provided in North Carolina General Statutes Section 57C-3-20(a), the members
of the limited liability company shall not be managers by virtue of their status as members.
6. No manager or executive of the limited liability company shall be personally liable to the
limited liability company or any of its members for monetary damages for breach of duty as a
manager, except as provided in Chapter 57C of the North Carolina General Statutes (the "LLC
Act") for liability with respect to (i) acts or omissions that the manager or executive knew at the
time of such act or omission were clearly in conflict with the best interests of the limited liability
company, (ii) any transaction from which the manager or executive derived an improper personal
benefit, (iii) acts or omissions occurring prior to the effective date of these Articles of
Organization; provided that indemnification pursuant to paragraph 7 of these Articles of
Organization may be provided if approved by all of the members. As used herein, the term
"improper personal benefit" does not include a manager's or executive's reasonable
compensation or other reasonable incidental benefit for or on account of such manager's or
executive's services as a manager, officer, employee, independent contractor, attorney or
consultant of the limited liability company.
If the LLC Act is amended to authorize further eliminating or limiting the liability of managers,
executives or members of the Iimited liability company, then the liability of managers,
executives and members of the limited liability company shall be eliminated or limited to the
fullest extent permitted by the LLC Act, as amended. No amendment or repeal of this paragraph,
nor the adoption of any provision to these Articles of Organization inconsistent herewith, shall

eliminate or reduce the protection granted herein with respect to any matter that occurred prior to
such amendment, repeal or adoption.
7. Any person (1) who at any time serves or has served as a manager or executive of the
limited liability company, (ii) who, while serving as a manager or executive of the limited
liability company, serves or has served, at the request of the limited liability company, as a
manager, officer, partner, trustee, employee, or agent of another limited liability company,
corporation, partnership, joint venture, trust, or other enterprise, or as a trustee or administrator
under an employee benefit plan, or (iii) who is or at any time has been a member of the limited
liability company shall have a right to be indemnified by the limited liability company to the
fullest extent permitted by the LLC Act, as amended from time to time, against (a) reasonable
expenses, including attorneys' fees, incurred by such person in connection with any threatened,
pending, or completed civil, criminal, administrative, investigative, or arbitrative action, suit, or
proceeding (and any appeal therein), whether or not brought by or on behalf of the limited
liability company, seeking to hold such person liable by reason of the fact that such person is or
was acting in such capacity, and (b) reasonable payments made by such person in satisfaction of
any judgment, money decree, fine (including an excise tax assessed with respect to an employee
benefit plan), penalty, or settlement for which such person may have become liable in any such
action, suit or proceeding.
The term "proceeding" as used herein includes any threatened, pending, or completed civil,
criminal, administrative, or investigative action or any arbitration, suit or proceeding (and any
appeal therein), whether formal or informal and whether or not brought by or on behalf of the
limited liability company.
The managers of the limited liability company shall take all such action as may be necessary and
appropriate to authorize the limited liability company to pay the indemnification required by
these Articles of Organization, including, without limitation, making a determination that
indemnification is permissible in the circumstances and a good faith evaluation of the manner in
which the claimant for indemnity acted and of the reasonable amount of indemnity due to the
claimant. The managers may appoint a committee or special counsel to make such determination
and evaluation. To the extent required, the managers shall give notice to, and obtain approval
by, the members of the limited liability company for any decision to indemnify.
Any person who at any time after the effective date of these Articles of Organization serves or
has served in the aforesaid capacity for or on behalf of the limited liability company shall be
deemed to be doing or to have done so in reliance upon, and as consideration for, the right of
indemnification provided herein. Such right shall inure to the benefit of the legal representatives
of any such person and shall not be exclusive of any other rights to which such person may be
entitled apart from the provisions of these Articles of Organization.
The limited liability company agrees to and shall reimburse any person for whom
indemnification is provided pursuant to these Articles of Organization for all reasonable costs,
expenses, and attorneys' fees (including the costs of investigation and preparation) as and when
incurred by such person in connection with the person's right to the indemnification granted by
these Articles of Organization and shall advance such amounts to such person upon demand
-2-

therefor. Such reimbursable amounts shall be recoverable in any action brought to enforce the
right to the indemnification granted by these Articles of Organization.
8. The managers shall not be liable for the return of capital contributions of the members
and, upon dissolution, the members shall look solely to the assets of the limited liability
company.
9. These Articles of Organization shall be effective upon filing.
TN WITNESS WHEREOF, the undersigned has executed these Articles of Organization
this 15th day of July, 2008.
Signature
[I]
Printed Name
Organizer
Title
-3-

C,-,>t&
f,&j IRS DEPARTMENT OF THE TREASURY
INTERNAL REVENUE SERVICE
CINCINNATI OH 45999-0023
001614.469955.0006_oo1 1 ms o.369 532
J
J
7406 MILLBROOK ROAD LLC
ANTHONY C GRIFFIN MBR
PO BOX 23027
CHARLOTTE NC 28227
Asia
RECEIVE®
Date of this notice: 07-23-2008
Employer Identification Number:
26-3002101
Form: S5-4
Number of this notice: CP 575 8
X
For assistance you may call us at:
1-800-829-4933
IF YOU WRITE, ATTACH THE
STUB OF THIS NOTICE.
WE ASSIGNED YOU AN EMPLOYER IDENTIFICATION NUMBER
Thank you for applying for an Employer Identification Number (EIN). We assigned
you EIN 26-3002101. .This EIN will identify you, your business accounts, tax returns,
and documents, even if you have no employees. Please keep this notice in your
Permanent records.
When filing tax documents, payments, and related correspondence, it is very
important that you use your EIN and complete name and address exactly as shown above.
Any variation may cause a delay in processing, result in incorrect information in your
account, or even cause you to be assigned more than one EIN. If the information
is not correct as shown above, please make the correction using the attached tear off
stub and return it to us.
Based on the information received from you or your representative, you must file
the following form(s) by the date(s) shown.
Form 1065
04/15/2009
If you have questions about the formCs) or the due dates(s) shown, you can call
us at the phone number or write to us at the address shown at the top of this notice.
If you need help in determining your annual accounting period (tax year), see
Publication 538, Accounting Periods and Methods:
We assigned you a tax classification based an information obtained from you or
your representative. It is not a legal determination of your tax classification
and is not binding on the IRS. If you want a legal determination of your tax
classification, you may request a private letter ruling from the IRS under the
guidelines in Revenue Procedure 2004-1, 2004-1 I:R.B. 1 (or superseding Revenue
Procedure for the year at issue). Note: Certain tax classification elections can
be requested by filing Form 8832, Entity Classification Election. See Form 8832
and its instructions for additional information.

Stormwater and Erosion Control Plan
■
Project
Blue Dot Readi-Mix — Harrisburg
7406 Millbrook Road
Harrisburg, NC
August 20, 2008
Operator
Blue Dot Readi-Mix
PO Box 23029
Charlotte, NC 28227
Attn: Paul Cochran
Engineer
Dwight S. Kurtz
3693 Buffalo West Springs Hwy.
Buffalo, SC ',9321
....5�10�`
4 10/46
SEAL
� s
m

i able Oi CiilliGnt--3• BIt ue DDt Re- 2r%A', lMx; w - Harris%»ru
1. Narrative......................................................................
2. Plan Submittal Checklist
3. Dry Extended Detention Basin — Operations and Maintenance Agreement
4. Soils Map.....................................................................
5. USGS Topo Map (Site) ....................................................
b. FEMA Flood Map
7. Predeveloped Data...........................................................
• Runoff Curve Number/Time of Concentration
• 10 yr. 24 hr. Stone
8. Postdeveloped Data .........................................................
• Runoff Curve Number/Time of Concentration
• 10 yr. 24 hr. Stonn
• 100 vr. 24 hr. Storm
• Detention Basin Outlet Pipe
Gm

Narrative for Storm Water and Erosion Control Plan
Predeveloped
A 3.4 acre parcel of property with approximately 373 feet of frontage on
Millbrook Road is proposed to be developed for Ready Mix Concrete Plant. The project will be
developed in 2 phases. 'There are no new roads associated with this site development.
The predominate soil on the site is an Iredell. A range of slopes that vary from 1.0% to 25% are
present on the site. The existing site is covered in a combination of grass and bare soil. Predeveloped
peak flow is shown in the table below.
There are 2 existing off site drainage areas that are up gradient of this site. One area is 10.94 and
drains to an existing 36" diameter culvert on site. The other area is 1.24 acres and drains to an existing
catch basin on site_ See the attached Off Site Drainage Diagram.
Phase 1 (Drawing C-2.1)
Prior to mass grading the following sequence of construction will be followed:
1. Mark Limits of Disturbance
2. Install Construction Entrance
3. Install Slit Fence
4. Remove existing 36" diameter culvert,
5. Install new 36" culvert, head wall and junction box from property line to existing catch basin.
6. Install storm water detention basin.
Phase 2 (Drawing C-2.2)
Immediately after completing Phase I. Phase 2 will commence. Phase 2 will include rnass grading,
infrastructure, foundations, process water recycling basin, plant erection, paving, etc. required to
complete the site. All now resulting from runoff from offsite sources have been routed around the
detention basin. With the exception of slopes around the perimeter of the detention basin and the site all
areas drain to the detention basin. The detention basin is designed as a dry detention basin. This
detention basin will serve as a permanent water quality/quantity management asset and will be
maintained according to the plans and the Dry Extended Detention Basin — Operations and
Maintenance Agreement. A Composite Runoff Coefficient reflecting the postdeveloped condition was
used to calculate flows and sediment removal. All areas that are not shown as paved will be grassed.
Peak Discharge
The post developed peak discharge from this property for the 10 year storms has been reduced below pre
developed peak discharge. The peak discharges below include the contribution from undisturbed areas
that drain through the site.
Peak Discharge (CFS)
24 Hour Storm Event 10vr
Predeveloped 6.21
Postdeveloped 5.74

The top of the embankment is at elevation 644.0. The emergency spillway is at elevation 643.0. The
outlet pipe has been designed for the peak flow from the detention basin during the 100 year storm and
discharges into an existing catch basin. The freeboard in the detention basin for the 100 yr storm is
0.877.
Peak Elevation in Detention Basin (Feet)
24 Hour Storm Event 1 Ovr 100vr
Postdeveloped 64294 643.13
The minimum sediment trapping efficiency of the detention basin for this site is 94.8%. This exceeds
the required 80% trapping efficiency.
Sediment Removal Efficiency (Percent)
24 Hour Storm Event l Oyr
Postdeveloped 94.8

11cr it *: ui ;.FSer:
(!o he Provided hr D1170
[drainage Area Number
Dry Extended Detention Basin
Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BMP elements noted in the inspection will be
corrected, repaired or replaced immediately. These deficiencies can affect the integrity
of structures, safety of the public, and the removal efficiency of the BMP.
The dry extended detention basin system is defined as the dry detention basin, outlet
structure, pretreatment including forebays and the vegetated filter if one is provided.
This system (check one):
❑ does ® does not incorporate a vegetated filter at the outlet.
This system (check one):
❑ does ® does not incorporate pretreatment other than a forebay.
Important maintenance procedures:
- The drainage area will be managed to reduce the sediment load to the dry
extended detention basin.
- Immediately after the dry extended detention basin is established, the vegetation
will be watered twice weekly if needed until the plants become established
M (commonly six weeks).
No portion of the dry extended detention pond will be fertilized after the first
initial fertilization that is required to establish the vegetation.
- I will maintain the vegetation in and around the basin at a height of
approximately six inches.
- Once a year, a dam safety expert will inspect the embankment.
■
After the dry extended detention basin is established, it will be inspected once a quarter
and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in
a Coastal County). Records of operation and maintenance will be kept in a known set
location and will be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
BMP element:
Potentialproblem:
How I will remediate theproblem:
The entire BMP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the dry
Areas of bare soil and/or
Regrade the soil if necessary to
extended detention
erosive gullies have formed.
remove the gully, and then plant a
basin
ground cover and water until it is
established. Provide lime and a
one-time fertilizer application.
SW Norm SW401-Dry Detention 0&M-Rev.; Page I of 4

M
BMP element:
Potentialproblem:
How I will remediate theproblem:
The inlet device: pipe or
The pipe is clogged (if
Unclog the pipe. Dispose of the
Swale
applicable)-
sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged (if
applicable),
Erosion is occurring in the
Regrade the swale if necessary to
swale (if applicable).
smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion.
The forebay
Sediment has accumulated
Search for the source of the
and reduced the depth to 75%
sediment and remedy the problem if
of the original design depth
possible_ Remove the sediment and
(see diagram below).
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Erosion has occurred or
Provide additional erosion
riprap is displaced,
protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by
hand. If pesticides are used, wipe
them on the plants rather than
spraying.
The main treatment area
Sediment has accumulated
Search for the source of the
and reduced the depth to 75%
sediment and remedy the problem if
of the original design depth
possible. Remove the sediment and
(see diagram below).
dispose of it in a location where it
will not cause impacts to streams or
the BMI'. Revegetate disturbed
areas immediately with sod
(preferred) or seed protected with
securel , staked erosion mat.
Water is standing more than
Check outlet structure for clogging.
5 clays after a storm event.
If it is a design issue, consult an
a ro riate rofessional.
Weeds and noxious plants are
Remove the plants by hand or by
growing in the main
wiping them with pesticide (do not
treatment area.
spray).
Form SW401-Dry Detention O&M-Rev.3 Page 2 of 4

a
BMP element:
Potentialproblem;
How I will remediate theproblem:
The embankment
Shrubs or trees have started
Remove shrubs or trees
to grow on the embankment.
immer diate] .
Grass cover is unhealthy or
Restore the health of the grass cover
eroding.
- consult a professional if necessary.
Signs of seepage on the
Consult a professional.
downstream face.
Evidence of muskrat or
Use traps to remove muskrats and
beaver activity is present.
consult a professional to remove
beavers.
An annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repair.
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose
of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device.
The receiving water
Erosion or other signs of
Contact the NC Division of Water
damage have occurred at the
Quality 401 Oversight Unit at 919-
outlet.
733-1786.
The measuring device used to determine the sediment elevation shall be such that it will
give an accurate depth reading and not readily penetrate into accumulated sediments.
When the basin depth reads 1_0 feet in the main pond, the sediment shall be removed.
When the basin depth reads 3.0 feet in the forebay, the sediment shall be removed.
BASIN DIAGRAM
till it? the blanks)
Temporary Pool Elevation 642.94
Sediment Removal EV640 Te pora Pool etnporary oc
olume Sediment Removal Elevation 638VolumeBottom Elevat25%---------'- ------
Sediment Bottom Eilevation 637 25% edime
Storage Storage
FOREBAY MAIN POND
W
Form SW401-Dry Detention O&M-Rev.3 Page of 4

Permit Numbcr:
(to be provided by DfVQ)
■
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above. I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party.
Projecl name:Blue Dot Readi Mix - Harrisburg
BMP drainage area narmber:
Print name:Paul Cochrane
Title: President
Address:PO Box 23029 U _y-loffGt 11 C, 19 a a7
Phone:[phone]
Signature:
i Date:
Note: The legally responsible party should not be a homeowners association unless more than 50% of'
the lots have been sold and a resident of the subdivision has been named the president.
nn
I, PWgp—Lq ,_ ►�} e-7 t-+e- y �5 _ , allotary Public for the State of
pLj4t County of a , d Y1 , do hereby certify that
personally appeared before me this
day of _A06 , and acknowledge the due execution of the
forgoing dry detention basin maintenance requirements. Witness my hand and official
seal_
20�AAy
a PU i
.,oil ZONCV310%
'
SEAL ,4_ ., _ Q
Nix, commission expires 6A4 - �- 7 .�,O lZ
Form SW401-Dry Detention OB M-Rev.3 Page 4 of 4

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NOVEMBER 2, 1994
UI�II� 1, de E.-pncl ! .aeaeasent AAenct
This is an official copy of a portion o. the above referenced flood maP. it
was extracted using F-MIT On -Line. This map does not reflect changes
V amendments which may have been made subsequent to the date cn the
title black, For the latest Product information about National Flood Insurance
Program For
maps check the FEMA Flood Map Store at wvwx,msc.fema,gov

■
Worksheet 2: Runoff curve number and runoff
Project Blue Dot -Harrisburg By srk
Location 7406 Millbrook Road, Harrisburg, NC Checked
Circle one: Present Developed Area PR1
1. Runoff curve number (CN)
Date 7/22/2008
Date
Area
Product of
Soil Name
Cover Description
CN *
CN * area
and
x acres
hydrologic
(cover type, treatment, and hydrologic condition;
_ mi
group
percent impervious; uncon nectedlconnected
C?
_ %
impervious area ratio)
(appendix A)
Soil T pe-C
Grass (Fair)
79
2.65
209.35
Soil T pe-C
Bare Soil
87
0,75
65,25
Totals =
" Use only one CN source per line
3.4
274.6
CN (weighted)
2. Runoff
total product
total area
Frequency_ ........................................ yr
Rainfall, P (240hour)................................................... in
Runoff, Q................................................................. in
(Use P and CN with table 2-1, fig_ 2-1, or eqs 2-3 and 2-4)
275
= Use CN =
3.40
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed., June 1986)

Project: Blue Dot -Harrisburg By: srk Date: 7/22/2008
Location: 7406 Millbrook Road, Harrisburg, NC _Checked:dsk Date: 7/22/2008
Circle one: Present Developed Pre -Developed Site
Circle one: T, T, through subarea Area (PR1)
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Sheet flow (Applicable to Tc only) Segment ID
1. Surface description (table 3-1)...................................................
2. Manning's roughness coeff., n (table 3-1). ........ ... _ .................
3. Flow length, L (total L < 300 ft).......................................... ft
4. Two-year 24-hour rainfall, P2.......................................... in
5. Land Slope, s........................................................................ ft/ft
0.007 (nL)"
6. T,- 0s 0.a Compute T,.._.. Hr
PZ s
Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L..................................................................... ft
9. Watercourse slope, s........................................................ ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute T,..... Hr
3600 V
Channel flow Segment ID
12. Cross sectional flow area , a ........................ 2
13. Wetted perimeter, P............... ft
14. Hydraulic radius, r=a/Pw..................Compute (r) ............ ft
15_ Channel Slope, s ..................................... ........................ ft/ft
16. Manning's roughness coeff., n (table 3-1)............................
1.49 r213 si��
17. V= Compute V ..... ft
n
18. Flow Length, L................... __....................... .................... ft
19. T, = L Compute T,..... Hr
3600 V
20. Watershed or subarea T, or T, (add T, in steps 6, 11, and 19)........
R2
UNPAVED
67
0.134
7
0.13028 l + l 1 = 1 0.

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Workshee# 2: Runoff curve number and runoff
■
Project Blue Dot -Harrisburg By
Location 7406 Millbrook Road, Harrisburg, NC Checked
srk
Circle one: Present Developed Area Offsite to Catch Basin
1. Runoff curve number (CN)
Date 8/18/2008
Date
Soil Name
and
hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN
Area
x acres
_ mi
_ %
Product of
CN ` area
�;,
M
�,,
i2
Soil T pe-C
Woods (Fair)
60
1.24
74.4
' Use only one CN source per line
Totals =
1.24
74.4
CN (weighted)
total product 74.4
_ _
total area 1.24
2. Runoff
Frequency................................................................ yr
Rainfall, P (240hour)................................................... in
Runoff, Q.................................................................. in
(Use P and CN with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
Use CN = 60.0
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed., June 1986)

Project: Blue Dot -Harrisburg By: srk Date: 8/18/2008
Location: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 8/18/2008
Circle one: Present Developed Post -Developed Site
Circle one: T, T, through subarea Area Offsite to Catch Basin
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
include a map, schematic, or description of flow segements.
Sheet flow (Applicable to T, only) Segment ID
1. Surface description (table 3-1)...................................................
2. Manning's roughness coeff., n (table 3-1)................................
3. Flow length, L (total L < 300 ft).......................................... ft .
4. Two-year 24-hour rainfall, P2.......................................... in
5. Land Slope, s........................................................................ ft/ft
0.007 (nL)0e
6. T,= s0.a ComputeT,..... Hr
P a.s
Shallow concentrated flow Segment ID JR2
7. Surface description (paved or unpaved) ................................
8. flow Length, L.... ................................................................. ft
9. Watercourse slope, s....................................................... ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute T,..... Hr
3600 V
.. Channel flow Segment ID
12. Cross sectional flow area , a ................................ 2
13. Wetted perimeter, PW.................................................... ft
14. Hydraulic radius, r=a/P...................Compute (r) ._..... ..... ft
15. Channel Slope, s................................. ....._........ ............. ft/ft
16. Manning's roughness coeff., n (table 3-1)............................
1.44 r2/3 51I2 17. V= Compute V---- ft
n
18. Flow Length, L................................................................... ft
19. T, = L Compute T,..... Hr
3600 V
20. Watershed or subarea T, or T, (add T, in steps 6, 11, and 19)........
Unpaved
440
0.095
5
0.61111 I * I I 10.611111

Worksheet 2: Runoff curve number and runoff
Project
Location
Blue Dot -Harrisburg T By
7406 Millbrook Road, Harrisburg, NC Checked
srk
Circle one: Present Developed Area Offsite to Pipe
1. Runoff curve number (CN)
Date 8/18/2008
Date
Soil Name
and
hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN
Area
x acres
_ mi
%
Product of
CN area
m
N
LL
Cv
7
Soil T pe-C
Woods (Fair)
60
9.31
558.6
Soil T pe-C
Impervious
981
1.65
161.7
i Use only one CN source per line
Totals =
10.96
720.3
CN (weighted) _
2. Runoff
total product
total area
Frequency................................................................ yr
Rainfall, P (240hour)................................................... in
Runoff, Q ................. in
(Use P and CN with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
720
= Use CN =
10_96 65.7
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed_, June 1986)

Project: Blue Dot -Harrisburg By: srk Date: 8/18/2008
Location: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 8/18/2008
Circle one: Present Developed Post -Developed Site
Circle one: T, Ts through subarea Area Offsite to Pipe
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Sheet flow (Applicable to Tc only) Segment ID
1. Surface description (table 3-1)...................................................
2. Manning's roughness coeff., n (table 3-1)................................
3. Flow length, L (total L < 300 ft)...._ .................................... ft
4. Two-year 24-hour rainfall, P2.......................................... in
5. Land Slope, s........................................................................ ft/ft
0.007 (nL)o.e
6. T� SCompute T,..... Hr
Pz 0.s 0.a
_ Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L..................................................................... ft
9. Watercourse slope, s.................................................... ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. Tt = L Compute T,..... Hr
3600 V
Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L.................................................................... ft
9. Watercourse slope, s....................................................... ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute T,..... Hr
3600 V
R1
Woods
0.4
300
3.5
0.033
+ I 1 = 1 0.674533
0.67453
R2 R3
Unpaved Unpaved
102 477
0.098 0.033
5.1 2.8
0.14450 + 0.37100
R4
Unpaved
278
0.022
2.4
0.18533
20. Watershed or subarea T, or T, (add Tt in steps 6, 11, and 19).................. ........................ hr
0.5155
= 1 0.185333

SEDCAD 4 for Windows
f nn„A,.hh 100A -"n7 0-1- 1 Cnhivah
Blue Dot Readv Mix
Harrisburg
Predeveloped Site
YO Year 24 Hour Storm
Dwight S. Kurtz
Dwight S. Kurtz
3693 Buffalo W. Springs Hwy
Buffalo, SC 29321
Phone: [phone]
Filename: Pre Developed 10 yr.sc4 Printed 08-21-2008

SEDCAD 4 for Windows
r.,n ,i. nt iaoa _ann7 a-rt n o
Genera/ Information
Storm Information;
Storm Type:
NRCS Type 11
Design Storm:
10 yr - 24 hr
Rainfall Depth:
S.100 inches
Filename: Pre Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
r`--Tr hf iQWI -9nn7 D—I" I C,h,—F,
Structure Networking;
Type
Stru #
(flows
into}
Stru #
Musk.,K
(h.�}.
Musk. X•
Description.
Null
#1
=_>
#2
0.000
0.000
Site
Culvert
#2
=_>
End
0.000
0.000
Existing Culvert
Null
#3
==>
#2
0.000
0.000
Area to Culvert
Null
#4
=_>
#2
0.000
0.000
Area to Catch Basin
#4
Null
#3
Null
#1
Null
#2
Culvert
Filename: Pre Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
h1 1 cop -9nn7 P-r. F
am
Structure Summary;
Immediate
Total
Total
Contributing
Contributing
peak
Runoff
Area .
Area
Discharge
Volume
(ac)
(ac)
(Cfs) .
(ac-ft) .
#4
1.240
1.240
1.04
0.14
#3
10.960
10.960
7.82
1.61
# 1
3.400
3.400
7.97
0.86
# 2
0.000
15.600
12.63
2.61
Filename: Pre Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
5
Structure Detail:
Structure #4�IVu!!)
Area to Catch Basin
Structure #3 NuU
Area to Culvert
Structure #1 Null
Site
Structure #2 Culvert
■
Existing Culvert
Culvert Inputs:
Max. Entrance
Length (ft) Slope (%) Manning's n Headwater Tailwater (ft) Loss Coef.
(ft) (Ke)
100.00 0.50 0.0130 3.00 0.00 0.2(
Culvert Results:
Design Discharge = 12.63 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Filename: Pre Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
f ,-,ir.n/ loop _9nn7 Do je I q'k,-n
■
subwatershed Hydrology Detail;
Stru #
S'S
SWS Area
(ac)
Time of Conc
(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS
Peak
Discharge
Runoff
Volume
#4
1
1.240
0.611
0.000
0.000
60.000
TR55
1.04
0.140
1.240
1.04
0.140
#3
1
10.960
1.375
0.000
0.000
65.700
TR55
7.82
1.605
10.960
7.82
1.605
#1
1
3.400
0.506
0.000
0.000
80.800
TR55
7.97
0.861
3.400
7.97
0.861.
#2
15.600
-M
2.605
Filename: Pre Developed 10 yr.sc4
Printed 08-20-2008

Worksheet 2: Runoff curve number and runoff
W
M
Project Blue Dot -Harris
By srk
Location 7406 Millbrook Road, Harrisburg, NC Checked
Circle one: Present Developed Area P1
1. Runoff curve number (CN)
Date 7/23/200E
Date
Soil Name
and
hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition-,
percent impervious; unconnected/connected
impervious area ratio)
CN +
Area
x acres
_ mi
_ %
Product of
CN * area
N
ar
{.,
N
N
Soil T pe-C
Grass (Fair)
79
0.111
8.69
Soil T pe-C
Impervious
98
1.33
130.34
' Use only one CN source per line
Totals =
d'
1.44
139.03
CN {weighted}
total product 139
_ _
total area 1.44
2. Runoff
Frequency................................:.....................I......... yr
Rainfall, P (240hour)................................................... in
Runoff, 0................................................ ................. in
(Use P and CN with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
Use CN 96 5
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed., June 1986)

Worksheet 2: Runoff curve number and runoff
M
W
Project
Location
Circle one:
Blue Dot -Harrisburg By
7406 Millbrook Road, Harrisburg, NC Checked
Present Developed Area P2
1. Runoff curve number (CN)
srk
Date 7/23/2M
Date
Soil Name
and
Hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN i
Area
x acres
_ mi
_ %
Product of
CN ` area
N
c:,
q
Soil Type-C
Grass (Fair)
79
0.10
7.9
Soil Type-C
Impervious
98
0.57
55.86
' Use only one CN source per line
Totals =
0.67
63.76
CN (weighted) =
2. Runoff
total product
total area
Frequency ............. ....................................... .......... .. yr
Rainfall, P (240hour)................................................... in
Runoff, Q......................................... in
(Use P and CN with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
63.8 Use CN
0.67 95.2
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
1210-VI-TR-55, Second Ed., June 1986)

Worksheet 2: Runoff curve number and runoff
Project
Location
Circle one:
Blue Dot -Harrisburg By srk
7406 Millbrook Road, Harrisburg, NC Checked
Present Developed Area P3 DETENTION POND
1. Runoff curve number (CN)
Date 7/23/2001
Date
Soil Name
and
hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN +
Area
x acres
_ mi
_
Product of
CN ' area
N
o
C,
N
Nr
N
Soil T pe-C
Grass (Fair)
79
0.20
15.8
Use only one CN source per line
Totals =
0. 21
15.8
CN (weighted)
2. Runoff
total product
total area
Frequency................................................................ yr
Rainfall, P (240hour) ........................... ...... . in
Runoff, Q ................... ............. .......... in
(Use P and CN with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
= 15.8 Use CN
0.20 79.0
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed., June 1986)

Worksheet 2: Runoff curve number and runoff
M
Project Blue Dot -Harrisburg By srk
Location 7406 Millbrook Road, Harrisburg, NC Checked
Circle one: Present Developed Area P4 POND BYPASS
1. Runoff curve number (CN)
Date 7/23/2001
Date
Soil Name
and
hydrologic
group
(appendix A
pp )
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN*
Area
x acres
_ mi
_ %
Product of
CN * area
c:,
F
r?
LL
q
Soil Type-C
Grass (Fair)
79
0.56
44.24
Soil Type-C
Impervious
98
0.35
34.3
" Use only one ON source per line
Totals =
0.91
78.54
total product 78.5
ON (weighted} = total area 0.91
2. Runoff
Frequency................................................................ yr
Rainfall, P (240hour) .................................................. it
Runoff, Q.................................................................. in
(Use P and ON with table 2-1, fig. 2-1, or eqs 2-3 and 2-4)
Use ON 86.3
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5A
7A
(210-VI-TR-55, Second Ed., June 1986)

Worksheet 2: Runoff curve number and runoff
Project Blue Dot-Harri
By srk
Date 71231200E
Location 7406 Miilbrook Road, Harrisburg, NC Checked Date
Circle one: Present Developed Area P5 NON -DISCHARGE AREA
1. Runoff curve number (CN)
Soil Name
and
hydrologic
group
(appendix A)
Cover Description
(cover type, treatment, and hydrologic condition;
percent impervious; unconnected/connected
impervious area ratio)
CN
Area
x acres
_ mi
_ %
Product of
CN area
N
ai
F
fi,
�
N
tC6
Soil T pe-C
impervious
98
0.18
17.64
" Use only one CN source per line
Totals =
0.18
17.64
total product 17.6
CN (weighted) = total area 0.18
2. Runoff
Frequency................................................................ yr
Rainfall, P (240hour) ................................................... in
Runoff, Q................................................................. in
(Use P and CN with table 2-1, fig. 2-1, oregs 2-3 and 2-4)
Use CN 98 0
Storm #1
Storm #2
Storm #3
2
10
100
3.5
5.1
7.1
(210-VI-TR-55, Second Ed., June 1985)

W
Project: Blue Dot -Harrisburg By: srk Date: 7/22/2008
Location: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 7/22/2008
Circle one: Present Developed Post -Developed Site
Circle one: Tc T, through subarea Area (Pi)
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Sheet flow (Applicable to T, only) Segment ID
1_ Surface description (table 3-1)...................................................
2. Manning's roughness coeff., n (table 3-1)................................
3. Flow length, L (total L < 300 ft).......................................... ft
4. Two-year 24-hour rainfall, P2.......................................... in
S. Land Slope, s....................................................................... ft/ft
0.007 (nL)°e
6. Tc= 0s 0.a Compute Tt..... Hr
.
PZ s
Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L...................................................................... ft
9_ Watercourse slope, s........................................................ ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute T,..... Hr
3600 V
Channel flow Segment ID
12. Cross sectional flow area , a ........................................... ft2
13. Wetted perimeter, Pw..................................................... ft
14. Hydraulic radius, r=a/P...................Compute (r) ............ ft
15. Channel Slope, s.............................................................. ft/ft
16. Manning's roughness coeff., n (table 3-1)............................
1.44 rz/3 s1/z
17_ V= Compute V..... ft
n
18. Flow Length, L................................................................... ft
19. T, = L Compute T,..... Hr
3600 V
20. Watershed or subarea Tc or T, (add T, in steps 6, 11, and 19)........
R1
Asphalt
0.011
238
3.5
0.02
0.03864
R2
+ I I = 1 0.038639
Paved
112
0.018
2.75
0.08556 I + I I = 10.085556

Project: Blue Dot -Harrisburg By. srk Date. 7/22/2008
YLocation: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 7/22/2008
Circle one: Present Developed Post -Developed Site
Circle one: T, Ti through subarea Area (P2)
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Shallow concentrated flow Segment iD JR1
7. Surface description (paved or unpaved) ................................
8. Flow Length, L..................................................................... ft
9. Watercourse slope, s....................................................... ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
L
11. Tt = 3600 V Compute T...... Hr
Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L..................................................................... ft
9. Watercourse slope, s........................................................ ft/ft
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute T...... Hr
3600 V
Channel flow Segment ID
12. Cross sectional flow area , a ........................................... ft,
13. Wetted perimeter, P...................................................... ft
14. Hydraulic radius, r=a/P................... Compute (r) ............ ft
15. Channel Slope, s.............................................................. ft/ft
16. Manning's roughness coeff., n (table 3-1)............................
1.49 r2l3 ss/z
17. V= Compute V ..... ft
n
18. Flow Length, L.................................................................. ft
19. Tt = L Corn put e T, ..... Hr
3600 V
20. Watershed or subarea Tc or T, (add T, in steps 6, 11, and 19)........
R2
Paved
Unpaved
48
70
0.015
0.010
2.5
1.6
0.03333 I + t 0.03111 14 10.064444

Project: Blue Dot -Harrisburg By: srk Date: 7/22/2008
Location: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 7/22/2008
Circle one: Present Developed Post -Developed Site
Circle one: T, Tt through subarea Area (P3) DETENTION POND
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Sheet flow (Applicable to Tc only) Segment ID R1
1. Surface description (table 3-1)................................................... Grass
2. Manning's roughness coeff., n (table 3-1)................................ 0.15
3. Flow length, L (total L < 300 ft).......................................... ft 25
4. Two-year 24-hour rainfall, P2.......................................... in 3.5
5. Land Slope, s........................................................................ ft/ft 0.26
6. Tt= 0.007 (nQ0' Compute Tt Hr + - 0.018463
Pz 0.5 s0.4 0,01846
Shallow concentrated flow Segment ID
7_ Surface description (paved or unpaved) ................................
8. Flow Length, L..................................................................... ft
9. Watercourse slope, s........................................................ ft/ft
10. Average Velocity, V (figure 3-,1)................................... ft/s
11. Tt = L Compute T...... Hr
3600 V
Channel flow Segment ID
12. Cross sectional flow area , a.- .................... 2
13. Wetted perimeter, Pw..................................................... ft
14. Hydraulic radius, r=a/Pw..................Compute (r) ............ ft
15. Channel Slope, s.............................................................. ft/ft
16. Manning's roughness coeff., n (table 3-1)............................
1.49 r2/3 s1/z
17. V= - - Compute V ..... ft
n
18. Flow Length, L................................................................... ft
19. Tt = L Compute T...... Hr
3600 V
20. Watershed or subarea T, or Tt (add Tt in steps 6, 11, and 19)........

Projects Blue Dot -Harrisburg By: srk _ Date: 7/22/2008
Location: 7406 Millbrook Road, Harrisburg, NC Checked:dsk Date: 7/22/2008
Circle one: Present Developed Post -Developed Site
Circle one: T. Tt through subarea Area (P4) POND BYPASS
NOTES: Space for as many as two segements per flow type can be used for each worksheet.
Include a map, schematic, or description of flow segements.
Sheet flow (Applicable to Tc only) Segment ID
I. Surface description (table 3-1)..............................................
2. Manning's roughness coeff., n (table 3-1)................................
3. Flow length, L (total L < 300 ft). ................ ........................
4. Two-year 24-hour rainfall, Pz..........................................
5. Land Slope, s....................................................................
6. T, = 0.007 (nQDa Compute Tt..... Hr
Pz as s0A
Shallow concentrated flow Segment ID
7. Surface description (paved or unpaved) ................................
8. Flow Length, L. ............... : .............................. I ... ...............
9. Watercourse slope, s.............. .................... ....... .......... I....
10. Average Velocity, V (figure 3-1)................................... ft/s
11. T, = L Compute Tt..... Hr
3600 V
Unpaved
33
0.076
5.5
0, 05042
Channel flow Segment ID R1
12. Cross sectional flow area , a............ 50
13. Wetted perimeter, Pw. ...................................... . .............. 16.32
14. Hydraulic radius, r=a1P.......... .........Compute (r) ............ ft 3,06372549
15. Channel Slope, s.................. 0.123
16. Manning's roughness coeff., n (table 3-1)............................ 0.15
17. V= 1.49 213 s11z Compute V ..... ft 7.376
18. Flow Length, L................................ 13 .................................
19. Tt = L Compute T, ..... Hr +
3600 V 0.00516
1 0.050417
=1 0.00516
20. Watershed or subarea T, or T, (add T, in steps 6, 11, and 19)....
0.056

SEDCAD 4 for Windows
gonq _7nn7 0zn,or, !
■
Filename: Post Developed 10 yr.sc4
Alue Dot Ready
Flarrisburq
Post Developed Site
10 Year 24 Hour Storm
Dwight S. Kurtz
Dwight S. Kurtz
3693 Buffalo W. Springs Hwy
Buffalo, SC 29321
Phone: [phone]
Printed 08-21-2008

SEDCAD 4 for Windows
rnrn,,i-ht loop _7nn7 ! Crh..mh
General Information
Storm Information:
Storm Type: NRCS Type II
Design Storm: 10 yr - 24 hr
Rainfall Depth: 5.100 inches
Particle Size Distribution:
Size (mm) Iredell
4.7600
100.000%
2.0000
95.000%
0.0740
40.000%
0.0039
0.000%
Filename: Post Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
f nn��r�nh1 100A _1nn7 D—m I. I C,h—h
■
Structure Networking:
Type
I Stru # {into) Stru #
Musk.(hrsK Musk. X
Description
Null
# 1
=_>
#3
0.000
0.000
PI
Null
#2
=_>
#3
0.000
0.000 1
P2
Pond
#3
==>
#5
0.000
0.000
P3 Detention Pond
Null
#4
==>
#5
0.000
0.0001
P4 Pond Bypass
Culvert
#5
==>
End
0.000
0.000
Structure 5 - Outlet
Culvert
#6
=_>
#5
0.000
0.000
Culvert for Offsite Flow
Null
#7
=_>
#5
0.000
0.000
Offsite Flow to Structure 5
Filename: Post Developed 10 yr.sc4
#7
Null
#6
Culvert
ISI
#4
Null
#2
Null
A'1
Null
#3
Pond
�s
Culvert
Printed 08-20-2008

SEDCAD 4 for Windows
f'-111i,hf 1QOR _')nn7 D-1. 1 Cnhluoh
Structure Summary;
Immediate
Total
Total
Peak
Peak
Contributing
Contributing
Peak
Runoff
Sediment
Sediment
Settleable
24VW
Discharge
Area
Area
Volume
(tons)
Conc.
Conc.
(MI/1)
(ac)
(ac)
(c)
(ac-ft)
(mg/1)
(m1/1)
#7
1.240
1.240
1.04
0.14
0.1
783
0.51
0.28
#6
10.960
10.960
7.82
1.61
1 0.2
158
0.10
0.06
#4
0.910
0.910
2.97
0.27
F 50.3
233,528
160.67
88.23
#2
0.670
0.670
2.55
0.25
3.0
16,577
11.43
5.94
# 1
1.440
1.440
5.57
0.56
13.6
32,143
22.19
12.13
In
8.69
0.86
24.8
41,066
28.34
14.41
#3
0.200
2.310
Out
6.17
0.86
0.9
3,350
1.85
0.44
#5
0.000
15.420
11.51
2.88
51.5
107,953
73.96
8.83
Filename: Post Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
rnrn„inht 1 aaR -7nn7 P-i. i CrFnunL�
5
Particle Size Distribution(s) at Each Structure
Structure #7 (Offsite Flow to Structure 5):
Size (mm).
In/Out
4.7600
100.000%
2.0000
100.000%
0.0740
56.712%
0.0039
0.000%
Structure #6 (Cul vent for Offsite Flow):
Size (mm)
In/Out
43600
100.000%
2.0000
100.000%
0.0740
71.117%
0.0039
0.000%
Structure #4 (P4 Pond Bypass):
Size (mm)
In/Out
4.7600
100.000%
2.0000
97.233%
0.0740
40.940%
0.0039
0.000%
Structure #Z (PZ):
Size (mm)
In/Out
4.7600
100.000%
2.0000
9S.S01%
0.0740
16.211%
0.0039
0.000%
Structure #1 (PI):
Fitename: Post Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
f--,6hl 100R -9nn7 Pvmoh I Qr4i,,,,oh
Size (mm)
In/Out
4.7600
100.000%
2.0000
95.0000/0
0.0740
40.000%
0.0039
0,000%
Structure #3 (P3 Detention Pond):
Size (mm)
In
Out
4,7600
100.000%
100.000%
2-0000
95.060%
100.000%
0.0740
40.025%
100,000%
0.0039
0.000%
0.000%
Structure #5:
Size (mm)
•in/Out
4.7600
100.0000/0
2.0000
97.300%
0.0740
42.169%
0,0039
0.0000/0
Filename: Post Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
r-,inhl iaaA _9nn7 D-i, i CIh... Ah
7
Structure #7 (Null
Offsite Flow to Structure S
Structure #6 (Culvertl
Culvert for Offsite Flow
Culvert Inputs:
Culvert Results:
Structure Detail:
Max. Entrance
Length (ft) Slope (%) Manning's n Headwater Tailwater (ft) Loss Coef.
(ft) (Ke)
260.00 0.50 0.0130 3.00 0.00 0.90
Design Discharge = 7.82 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #4 (IVuIIJ
P4 Pond Bypass
Structure a (Nulls
PZ
Structure #t (Nulls
PI
Structure ,-3 (Ponds
P3 Detention Pond
Pond Inputs:
Initial Pool Elev:
640.25 ft
Initial Pool:
i
0.01 ac-ft
*Sediment Storage:
0.13 ac-ft
Dead Space:
20.00
*Sediment capacity was entered by user
Perforated Riser
Riser
Riser Height
Diameter (in)
Barrel Number of
Barrel Length Barrel Slope Spillway FEev
Diameter (in) Manning's n Hales per
(ft)
(ft)
Elev
24.00 8.001
24.00 40.00 o.50 0.0130 644.50 4
Filename: Post Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
..
a
Pond Results:
Broad -crested Weir
Weir Width Spillway Elev
(ft) (ft)
12.00 642.75
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
643.00 10.00 3.00:1 3.00:1 5.00
Peak Elevation:
642.94 ft
H'graph Detention Time:
0.75 hrs
Pond Model:
CSTRS
Dewater Time:
0.57 days
Trap Efficiency:
96.22
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
Elevation
Area
(ac)
Capacity
(ac-ft)
Discharge
(cfs)
Dewater
Time
(hrs)
640.17
0.072
0.000
0.000
Top of Sed. Storage
640.25
0.072
0.006
0.000
Low hole SPW # 1
640.50
0.075
0.024
0.473
9.40
640.75
0.077
0.043
0.669
0.85
641.00
0.080
0.063
0.819
0.60
641.25
0.085
0.083
0.945
0.55
641.50
0.090
0.105
1.057
0.50
641.75
0.095
0.128
1.631
0.35
642.00
0.100
0.153
1.919
0.25
642.25
0.105
0.178
2.156
0.25
642.50
0.110
0.205
2.364
0.25
642.75
0.115 -
0.233
2.552
0.35`Spillway
#2
642.94
0.119
0.255
6.168
0.25
Peak Stage
643.00
0.120
0.263
7.356
Spillway #3
643.25
0.125
0.293
16.529
643.50
0.130
0.325
28.189
643.75
0.135
0.358
48.931
644.00
0.140
0.392
72.511
Filename: Post Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
rl, -if h, 1 O°F _9nn7 p9 .I0 1 Crl,vmh
0
r
■
Detailed Discharge Table
Elevation (ft)
Perf. Riser (cfs)
Broad
crested Weir
(cfs)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
640.17
0.000
0.000
0.000
0.000
640.25
3.00>0.000
0.000
0.000
0.000
640.50
0.473
0.000
0.000
0.473
640.75
0.669
0.000
0.000
0.669
641.00
0.819
0.000
0.000
0.819
641.25
0.945
0.000
0.000
0.945
641.50
3.00> 1.057
0.000
0.000
1.057
641.75
1.631
0.000
0.000
1.631
642.00
1.919
0.000
0.000
1.919
642.25
2.156
0A00
0.000
2.156
642.50
2.364
0.000
0.000
2.364
642.75
2.552
0.000
0.000
2.552
643.00
2.726
4.630
0.000
7.356
643.25
2.888
13.097
0.543
16.529
643.50
3.041
24.061
1.087
28.189
643.75
3.187
37.044
8.700
48.931
644.00
3.326
51.771
17.415
72.511
Structure #5 (Culver
Structure 5 - Outlet
Culvert Inputs:
Culvert Results:
Max. Entrance
Length (ft) Slope (%) Manning's a Headwater Tailwater (ft) Loss Coef.
(ft) (Ke)
100.00 0.50 0.0130 3.00 0.00 0.20
Design Discharge = 11.51 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Filename: Post Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
( --,inhl iaaR _,]nn7 P-t- 1 Crh..,ah
10
Subwatershed Hydrology Detail:
Stru #
S#S
SW5 Area
{ac)
Time of Conc
(hrs)
Musk K
{hrs)
Musk X
Curve
Number
UH5
Peak
Discharge
(cfs)
Runoff
Volume
(ac-ft)
#7
1
1.240
0.611
0.000
0.000
60.000
TR55
1.04
0.140
1.240
1.04
0.140
#6
1
10.960
1.375
0.000
0.000
65.700
TR55
7.82
1.605
10.960
7.82
1.605
#4
1
0.910
0.208
0.000
0.000
85.800
TR55
2.97
0.268
Y-
0.910
2.97
0.268
#2
1
0.670
0.271
0.000
0.000
95.300
TR55
2.55
0.254
0.670
2.55
0.254
#1
1
1.440
0.124
0.000
0.000
96.500
TR55
^�5.57
0.S62
1.440
5.57
0.562
#3
1
0.200
0.047
0.000
0.000
79.000
TR55�
0.59
0.047
2,310
8.69
0.863
#5
Y-
15,420
11.51
2.8761
Subwatershed Sedimentology Detail:
Stru #
S#S
Soil K
L (ft)
S(%)
C
P
PS #
Sediment
(tons)
Peak
Sediment
Conc.
(mg/1)
Peak
Settleable
Conc
(ml/1)
24VW
(ml/!)
#7
1
0.320
440.00
9.50
0.0030
1.0000
1
0.1
783
0.51
0.28
Y-
0.1
783
0.51
0.28
#6
1
0.320
300.00
3.50
0.0030
1.0000
1
0.2
158
0.10
0.06
0.2
158
0.10
0.06
#4
1
0.320
100.00
12.30
1.0000
1.0000
1
50.3
233,528
160.67
88.23
50.3
233,528
160.67
88.23
# 2
1
0.320
70.00
1.00
1.0000
1.0000
1
3.0
16,577
11.43
5.94
3.0
16,577
11.43
5.94
# 1
1
0.320
112.00
1.80
1.0000
1.0000
1
I 13.6
32,143
22.19
12.13
Y
t
I 13.6
--
32,143
22.19
12.13
#3
1
0.320
25.00
26.00
1.0000
1.0000
1
8.3
215,013
148.41
82.86
24.8
41,066
28.34
14.41
Filename: Past Developed 10 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
(`nrnirinh� 1GOP _9M7 D—In P Gh—h
11
M
Peak Peak
Stru SwS
Sediment Sediment Settleable 24VW
# # Soil K l (R) S (%) C P PS #
Conc. Conc
( tons)
(m9/1) (mUl)
#5 Y—
51.5 107,953 73.96 8.83
Filename: Post Developed 10 yr.sc4
Printed 08-20-2008

SEDCAD 4 for Windows
r—...c.hf 100a _'>nn7 ❑� ml, t c.-h—. ,
1
■
Blue Dot Ready Mix
Harrisburg
Post Developed Site
100 Year 24 Hour Storm
Dwight S. Kurtz
DePaul Engineering, Inc.
3693 Buffalo W. Springs Hwy
Buffalo, SC 29321
Phone: [phone]
Email: [e-mail]
Filename: Post Developed 100 yr.sc4 Printed 08-21-2008

SEDCAD 4 for Windows
f'n. ,i. hf 1 ooR _9nn7 D­Jd 1 Q1F.0 h
2
M
i
General Information
Storm Information;
Storm Type:
MRCS Type II
Design Storm:
100 yr - 24 hr
Rainfall Depth:
7.100 inches
Particle Size Distribution:
Size (mm)
Iredell
4.7600
100.000%
2.0000
95.000%
0.0740
40.000%
0.0039
0.000%
Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
Pnn—iri h+ iooa -,)AA7 D—In I Crhu�ah
■
Structure Networking;
Type
Stru #
(flows
o s
5tru #
III
I Musk. K
Musk. X
Description
Null
#1
==>
#3
0.000
0.000
P1
Null
#2
==>
#3
0.000
0.000
P2
Pond
#3
==>
#5
0.000
0.000
P3 Detention Pond
Null
#4
_>
#5
0.000
0.000
P4 Pond Bypass
Culvert
#5
=_>
End
0.000
0.000
Structure 5 - Oudet
Culvert
#b
=_>
#5
0.000
0.000
Culvert for Offsite Flow
Null
#7
=_>
#5
0.000
0.000
1 Offsite Flow to Structure 5
Filename: Post Developed 100 yr.sc4
#7
Null
#6
Culvert
#4
Null
Null
#1
Null
#3
Pond
#5
Culvert
Printed 08-20-2008

SEDCAD 4 for Windows
r,,,,,,,i nt iooa --)nrn o-In i (Z,Ku h
Structure Summary:
Immediate
Total
Peak
Total
Peak
Peak
Contributing
Contributing
Discharge
Runoff
Sediment
Sediment
Settleable
24VW
Area
Area .
Volume
Conc.
Conc.
Wks)
(tons)
(6c)
(ac)
(ac-ft)
(mg/0
(MI/1)(ml/q
#7
1.240
1.240
2.23
0.27
0.2
874
0.58
0.33
#6
10.960
10.960
15.06
2.94
0.4
174
0.11
0.07
#4
0.910
0.910
4.44
0.41
80.1
241,731
166.51
91.18
#2
0.670
0.670
3.59
0.37
4.4
17,283
11.93
6.14
#1
1.440
1.440
7.79
0.80
20.0
33,402
23.06
12.52
In
12.29
1.24
38.3
45,293
31.26
15.39
#3
0.200
2.310
Out
12.13
1.24
2.2
3,978
2.19
0.73
#5
0.000
15.420
21.32
4.87
83.0
94,644
64.60
8.42
Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
r-,h/ 10012 -7nn7 0-1a 1 Crh.�i�h
5
u
Particle Size Distribution(s) at Each Structure
Structure #7 (Offsite Flow to Structure 5):
Size (mm)
In/Out
4.7600
100,000%
2.0000
100.000%
0.0740
53.077%
0.0039
0.000%
Structure #6 (Culvert for Offsite Flow):
Filename: Post Developed 100 yr.sc4
Size (mm) In/Out
4.7600
100.000%
2.0000
100.000%
0.0740
67.551%
0.0039
0.000%
Structure #4 (P4 Pond Bypass):
Size (mm)
In/Out
4.7600
100.0000/D
2.0000
96.429%
0.0740
40.602%
0.0039
0.000%
Structure #2 (P2):
Size (mm)
In/Out
4.7600
100.0000/0
2.0000
95.244%
0.0740
40.103%
0.0039
0.000%
Structure #Y (P1):
Printed 08-20-2008

SEDCAD 4 for Windows
r ..rGnnr loop -9nn7 Da. i- I ,-h--h
I
■
IF
Size (mrn)
In/Out
4.7600
100,0000/0
2.0000
95.000%
0.0740
40.000%
0.0039
0.0000/0
Structure #3 (P3 Detention Pond):
Size (mmj
In
Out
4.7600
100,0000/0
100.000%
2.0000
95.028%
100.000°/a
0.0740
40.012%
100.000% i
0.0039
0.000%
0.000%
Structure #5;
Size;(mm)
In/Out
4.7600
100.000%
2.0000
96.553%
0.0740
42.37811/o
0.0039
0.0000/0
Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
r —,,inht 1OQA _')nn7 D-1, 1 C�hunh
7
Structure #7 Mull
Offsite Flow to Structure S
Structure #6 6Cufvert�
Culvert for Offsite Flow
Culvert Inputs:
Culvert Results:
Structure Detail:
Max. Entrance
Length (ft) slope {°k} Manning`s n Headwater iailwater (ft) Loss Coef.
(ft) (Ke)
260.00 0.50 0.0130 3.00 0.00 0.90
Design Discharge = 15.06 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #4 �Null�
P4 Pond Bypass
Structure #2Nul
P2
Structure #1
P1
Structure #3 Pond
P3 Detention Pond
Pond Inputs:
Initial Pool Elev:
640.25 ft
Initial Pool:
0.01 ac-ft
*Sediment Storage:
0.13 ac-ft
Dead Space:
20.00
*Sediment capacity was entered by user
Perforated Riser
Riser Barrel
Riser Height Barre! Length Barrel Slope
Diameter (in) Diameter (in)
Number of
Spillway Elev
Manning's n Holes per
(ft) (ft) (°�)
(ft)
Elev
24.00 8.00 24.00 40.00 0.50
I 0.0130 644.50 4
Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
rnn.rtinhf 1 GOP -9nn7 [3-" 1 Crh...9h
M
a
Pond Results:
Broad -crested Weir
Weir Width Spillway Elev
(ft) (ft)
12.00 642.75
Emergengy Spillway
Spillway Etev Crest Length Left Right Bottom
(ft) Sideslope Sideslope width (ft)
643.00 10.00 3.00:1 3.00:1 5.00
Peak Elevation:
643.13 ft
Kgraph Detention Time:
0.66 hrs
Pond Model:
CSTRS
Dewater Time:
0.58 days
Trap Efficiency:
94.14
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Ca act-Dischar e Table
Elevation
Area
(ac)
Capacity
(ac-ft)
Discharge
(cfs)
Dewater
Time
(hrs)
640.17
0.072
0.000
0.000
Top of Sed. Storage
640.25
0.072
0.006
0.000
Low hole SPW #1
640.50
0.075
0.024
0.473
8.50
640.75
0.077
0.043
0.669
1.20
641.00
0.080
0.063
0.819
0.70
641.25
0.085
0.083
0.945
0.65
641.50
0.090
0.105
1.057
0.60
641.75
0.095
0.128
1.631
0.45
642.00
0.100
0.153
1.919
0.30
642.25
0.105
0.178
2.156
0.30
642.50
0.110
0.205
2.364
0.25
642.75
0.115
0.233
2.552
0.35
Spillway #2
643.00
0.120
0.263
7.356
0.45
Spillway #3
643.13
0.122
0.278
12.129
0.05
Peak Stage
643.25
0.125
0.293
16.529
643.50
0.130
0.325
28.169
643.75
0.135
0.358
48.931
644.00
0.t40
0.392
72.511
Filename- Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
f -rinhf 1 aRR ,jon7 P-1. I Crhui�h
ti
Detailed Discharge Table
Elevation (ft)
Perf. Riser (cfs)
Broad
crested Weir
(cfs)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
640.17
0.000
0.000
0.000
0.000
640.25
3.00>0.000
0.000
0.000
0.000
640.50
0.473
0.000
0.000
0.473
640.75
0.669
0.000
0.000
0.669
641.00
0.819
0.000
0.000
0.819
641.25
0.945
0.000
0.000
0.945
641.50
3.00>1.057
0-000
0.000
1.057
641.75
1.631
0.000
0.000
1.631
642.00
1.919
0-000
0.000
1.919
642.25
2.156
0.000
0.000
2.156
642.50
2.364
0.000
0.000
2.364
642.75
2.552
0.000
0.000
2.552
643.00
2.726
4.630
0.000
7.356
643.25
2.888
13.097
0.543
16.529
643.50
3.041
24.061
^ 1,087
28.189
643.75
3.187 T
37.044
8.700
48.931
644.00
3.326
5L771
17.415
72.511
Structure #5 (Culvert)
Structure 5 - Outlet
Culvert Inputs:
Max. Entrance
Length (ft) Slope (%) Manning's n Headwater Tailwater (ft) Loss Coef.
(ft) (Ke)
100.00 0.50 0.0130 3.00 0.00 0.2C
Culvert Results:
Design Discharge = 21.32 cfs
Minimum pipe diameter: 1 - 30 inch pipe(s) required
Im Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
iaoa -,)nm P-io i Crh�..ah
10
Sub watershed Hydrology Detail;
Stru #
S S
SWS Area
(ac)
Time of Conc
(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS
Peak
Discharge
(cfs)
Runoff
Volume
(acft)
#7
1
1.240
0.611
0.000
0.000
60.000
TR55
2.23
0.274
1.240
2.23
0.274
#6
1
10.960
I.375
0.000
0.000
65.700
TR55
15.06
2.944
10.960
15.06
2.944
#4
1
0.910
0.208
0.000
0.000
85.800
TR55
4.44
0.412
0.910
4.44
0.412
# 2
1
0.670
0.271
0.000
0.000
95.300
TR55
3.59
0.365
0.670
3.59
0.365
# 1
I
1.440
0.124
0.000
0.000
96.500
TR55
7.79
0.801
1.440
7.79
0.801
#3
1
0.200
0.047
0.000
0,000
79.000
TR55
0.92
0.077
2.310
12.29
1.244
#5
Y-
15.420
21.32
4.874
Subwatershed Sedimentology Detail:
Stru #
SAS
Soil K
L (ft)
S (%)
C
P
PS #
Sediment
(tons)
i
Peak
Sediment
Conc.
{mg/0
Peak
Settleable
Conc
(MI/1)
24VW
(m1/1)
#7`
1
0.320
440.00
9.50
0.0030
1.0000
1
0.2
874
0.58
0.33
0.2
874
0.58
0.33
# 6
1
0.320
^300.00
3.50
0.0030
1.0000
1
0.4
174
0.11
0.07
1
0.4
174
0.11
0.07
#4
1
0.320
100.00
12.30
1.0000
1.0000
1
I_ 80.1
241,731
16&51
91.18
80.1
241,731
166.51
91.18
#2
1
0.320
70.00
1.00
1.0000
1.0000
1
i 4.4
17,283
11.93
6.14
Y
I 4.4
17,283
11.93
6.14
#1
1
-�
0.320
112.00
1.80
1.0000
1.ODD0
I
20.0
33,402
23.06
12.52
i
20.0
33,402
23.06
12.52
#3
1
0.320
25.00
26.00
1.0000
1.0000
1
T 13.8
217,640
150.23
84.85
38.3
45,293
31.26
15.39
Filenarne: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4 for Windows
f:nn„rinhf 1aaP _9n07 Pvmolo 1 Gh�anh
11
Peak
Peak
Stru SWS
Sediment
Sediment
Settleable 24VW
Soil K L (ft) S (%) C - P PS #
# #
Conc.
Conc
(tons)
(MI/1)
(mg/1)
(MI/1)
#5
83.0
94,644
64.80 8.42
si Filename: Post Developed 100 yr.sc4 Printed 08-20-2008

SEDCAD 4.0
(`--,inht 1gpp-onw) n-i, 1 Crfi�.r�h
i
Pond Discharge - Blue Dot Harrisburg
Culvert Inputs:
Culvert Results:
Max. Entrance
Length (ft) Slope (%) Manning's n headwater Tailwater'(ft) Loss Coef.
(ft) (Ke)
55.00 0.50 0.0130 6.63 0.00 0.20
Minimum pipe diameter: 1 - 15 inch pipe(s) required
a sZ,D 16 "0 WCP
Detailed Performance Curves
Design Discharge 12.20 cfs
Maximum Headwater = 6.63 ft
(BOLD indicates design pipe size)
Headwater
(ft)
Discharge
(cfs)
( 12 in)
Discharge
WS)
{ 1S in)
Discharge
(ds)
( 18 in)
0.66
1.36
1.93
1.70
1.33
3.06
4.49
5.30
1.99
4.37
6.37
8.37
2.65
5.31
8.08
11.02
3.32
6.10
9.48
13.14
3.98
6.80
10.70
14.96
4.64
7.42
11.80
16.58
5.30
8.01
12.81
18.07
5.97
8.55
13.74
19.43
6.63
9.07
14.61
20.71
7.29
9.54
15.43
21.91
7.96
10.01
16.22
23.03
8.62
10.45
16.96
24.14
9.28
10.87
17.67
25-16
9.95
11.28
18.36
26.18
® SEDCAD Utility Run Printed 08-21-2008

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12165
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�,fl1_M1x; LC., .
P.O. BOX 23029
CHARLOTTE, NC 2=7
6630/531
Q
TEL (m) 971.7676
;,_:*******�t******************
Pay;:;._.,, .:, One hundred dollars and no cents
W
DATE CHECK NO. AMOUNT
March
11, 2011 12165 $********100.00
w
-
to THE
NCDENR-AIR QUALITY
3
ORDER
1641 MAIL SERVICE CENTER
OF
RALEIGH .NC 27699-1641
+

12165