NCG140395_MONITORING INFO_20170905

STORMWATER'DIVISION CODING SHEET
NCG PERMITS
PERMIT NO. 1v Cz, 31
DOC TYPE ❑HISTORICAL FILE
r)Q MONITORING REPORTS
DOC DATE ❑ � oI -7 b l �/
YYYYMMDD

,`
V - ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMWATER
SUBMIT TO CENTRAL OFFICE'
General Permit No. NCG140000
Calendar Year. 2017
*Report ALL STORMWATER monitoring data on this form (include "No Flow'T'No Discharge" and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG 140395
Facility Name: Southern Concrete Materials — Bryson City Plant
County: Macon
Phone Number: ( 828 ) 253-6421 Total no. of SDOs monitored 1
Certified Laboratory ETA Lab # 600
- Lab #
Stormwater Discharge Outfall (SDO) No. 1 VIVIA Outfall? Yes ❑ No
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No
Was this outfall ever in Tier 2 during the past year? Yes ❑ No
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
Yes, enough consecutive samples below benchmarks to decrease frequency ❑
Yes, received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
Permit Date 811/2017 — 6/30/2022
Last Revised 8-22-2015

Certificate of Coverage No. NCG14 IT©MT
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel properly gather and
evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations."
[Required by 40 CFR § 122.22]
Signature
Date o
Mail Annual Summary Stormwater DMR to the NCDEQ Central Office:
Note the address is correct — Central Files is housed in DWR (not DEMLR)
N.C. Department of Environmental Quality (DEQ)
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files Telephone [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Permit Date 811/2017 — 6/30/2022
Last Revised 8-22-2015

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 15 /
FACILITY NAME: S�a,� I N' !..(fir cT_y1T M,i,. 1 //S
PERSON COLLECTING SAMPLES4 C IV,) ]_
CERTIFIED LABORATORY Plj_Lab#
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
SAMPLE COLLECTION YEI�R:
SAMPLING PERIOD:/July-December ❑ January -June
COUNTY
PHONE NO. �)
ADD TO LISTSERVE? []YES NO EMAIL:
DISCHARGING TO CLASS: ❑SA []HQW ❑PNA ❑Trout [Other
Outfafi No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)
pH
(Standard
Units)
TSS
(mg/L)
Event
Duration
ti on
(minutes)
Total
ana 4
ll f i R
(in]
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in Tier
2 Sampling'
-
-
6-9' i
10o2.3
-
-
-
-
7,3
1 If "NO FLOW" or "NO DISCHARGE, Enter "NO FLOW" or "NO DISCHARGE" for each outfall here. Please make sure to mark the sample period above.
' if a value is in excess of the benchmark, or outside the benchmark range (for pH), you must implement the Tier 1 or Tier 2 responses in the General Permit. Tier 2
Monthly sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range.
s TSS benchmark values are 100 mg/I, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/l.
"For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge.
Permit Date: 7/1/2011-60/30/201S Last Revised 7/13/11
Page 1 of 2

,/
Part B: Vehicle Maintenance Activity Monitoring Requirements for facilities using > 55 gal of new motor oil/month — averaged over a calendar year.
I outfall
No.
Date Sample
Collected
(mo/dd/yr)l
pH
(Standard
Units)
TPH using method
1664A SGT-HEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total
Rainfall 14
{in}
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(Y/n)
# of Months
in Tier 2
Sampling 2
6-92
152
1002.1
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail Original and one coov of this DMR (including all "No Flow" & "No Discharge" reports) within 30 days of receipt of sample (or at end of monitoring period
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MU5T51GN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significan enalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Perm' tee) ( ate)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 2 of 2

IL. .
STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 3 7 J
FACILITY NAME: S,j -.,d �e A co
PERSON COLLECTING SAMPLES—) J 0 r i
CERTIFIED LABORATORY F Ifs Lab #
Lab #
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
SAMPLE COLLECTION YEAR: J
SAMPLING PERIOD: ❑ July -December January -June
COUNTY SWq)_ r
PHONE NO. ( )
ADD TO LISTSERVE? ❑YES VINO EMAIL:
DISCHARGING TO CLASS: ❑SA ❑HQW
[]PNA ❑Trout [:]Other
Outfall No.
Date Sample
Collected
{mo/dd/yr OR
NO FLOW)'
pH
(Standard
Units]
TSS
(mg/L)
Event
Duration
(minutes]
Total
Rainfall 4
{in)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in Tier
2 Sampling'
-
-
6-91
1001,3
-
-
-
-
�-
-7
�S
ail
_
CENTRAL FI
WQ1B0
1 If "NO FLOW" or "NO DISCHARGE, Enter "NO FLOW" or "NO DISCHARGE" for each outfall here. Please make sure to mark the sample period above.
2 If a value is in excess of the benchmark, or outside the benchmark range (for pH), you must implement the Tier 1 or Tier 2 responses in the General Permit. Tier 2
Monthly sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range.
3 TSS benchmark values are 100 mg/l, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/I.
"For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge.
J114
LES
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 1 of 2

Part B: Vehicle Maintenance Activity Monitoring Requirements for facilities using > 55 gal of new motor oil/month — averaged over a calendar year.
Outfall
No.
Date Sample
Collected
(mo/dd/yr)1
PH
(Standard
Units)
TPH using method
1664A SGT NEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total
Rainfall°
(in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months
in Tier 2
Sampling2
6-92
152
1002,3
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO ❑
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail Original and one coov of this DMR (includine all "No Flow" & "No Discharee" reports) within 30 days of receipt of sample (or at end of monitorine period
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED.
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that -there are
(Signature
ificant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
J
(Date
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 2 of 2

Permit Application for Authorization to
Construct (A to C) a Process /Stormwater
Recycling System
NPDES General Permit No.: NCG140000
Certificate of Coverage: Not Issued Yet
Prepared for:
Southern Concrete Materia& - Bryson City BCant
450 industrial Park Road
Bryson City, Swain County, North Carolina 28713
CPEES Project No. 1114-005
March 30, 2009
Prepared by:
Chalam Pakala_Engineering and Environmental Solutions
10017 A]lyson Park Dr.,
Charlotte, North Carolina 28277
Tel [phone] / Fax: [phone]
Email: [e-mail]

March 30, 2009
Mr. Ken Pickle, Environmental Engineer lI
NC DENR — Stormwater Permitting Unit
1617 Mail Service Center
Raleigh, North Carolina 27669-1617
Re: Permit Application for Authorization -to -Construct (A to C) a Proposed
Process / Stormwater Recycling System for Bryson City Concrete Plant
Southern Concrete Materials
450 Industrial Park Road
Bryson City, North Carolina 28713
CPEES Proiect No. 1114-005
NPDES General Permit No.: NCG140000
Certificate of Coverage: Not issued yet
Dear Mr. Pickle:
Southern Concrete Materials (SCM) is pleased to submit the attached Authorization -to -Construct
(A to C) permit request report along with construction drawings for the Proposed Process /
Stormwater Recycling System for Southern Concrete Materials — Bryson City Concrete Plant
located in Bryson City, North Carolina. The A to C Report includes:
+ NC DENR NPDES General Permit Application NCG 140000;
• Check for $100 made payable to NC DENR;
• Site map showing the delineation of drainage area contributing to the process
wastewater;
• Site layout map showing the proposed location of the process / stormwater recycling
system;
• 25 yr 24-hr stormwater runoff calculations;
• Detailed design, construction drawings along with construction specifications for the
proposed process and stormwater recycling system;
• Site Location Map;
• NC Certified laboratory supplied analytical results for stormwater samples collected at
similar plant;
• Manufacturer supplied literature for the proposed Carbon Dioxide System for pH
adjustment.

SCM sincerely appreciates your cooperation and progress of this project. Please call me at 828-
253-6421 or Mr. Chuck Pakala of CPEES at 704-541-4042 if you have any questions or
comments on this permit request.
Respectfully submitted,
Jeff Lamm
E14&S Manager
Attachments: A to C Permit Application Package

Permit Application for Authorization to Construct
(A to C) a Process I Stormwater Recycling system
Southern Concrete Materials — Bryson City Plant
Bryson City, North Carolina
NPDES General Permit No.: NCG140000
Certificate of Coverage: Not issued yet
TABLE OF CONTENTS
1.0 FACILITY DESCRIPTION..............................................................................................1
2.0 FACILITY OPERATIONS................................................................................................1
3.0 PROCESS WASHWATER CALCULATIONS...............................................................2
4.0 STORMWATER RUNOFF CALCULATIONS FOR A 25 YEAR AND 24-HR RAIN
EVENT....................................................................................................................................... 3
5.0 pH ADJUSTMENT FOR THE RECYCLE SYSTEM....................................................3
6.0 STORMWATER 1 PROCESS WASHWATER RECYCLE SYSTEM DESIGN AND
CONSTRUCTIONDETAILS.................................................................................................4
7.0 A to C CONSTRUCTION PERMIT APPLICATION....................................................5
TABLES
Table 1: Runoff Volume Calculations for a 25 yr, 24-hr Storm Event
FIGURES
Figure 1: Site Location Map
Figure 2: Aerial View of Surrounding Properties around the Bryson City Plant
Figure 3: Site Layout Map with Buildings, Dry Mix Concrete Plant and Proposed Location of
Process Washwater / Stormwater Recycle System
Figure 4: Process Washwater and Stormwater Recycle System Construction Details
ATTACHMENTS
Attachment A. Runoff Volume and Weir Design Calculations with Backup
Attachment B: Laboratory Analytical Results Supplied by Environmental Testing Solutions
Attachment C: Manufacturer Supplied Literature for Carbon Dioxide System
Attachment D: NC DENR — Division of Water Quality Stream Classification Table for Swain
County
CP Engineering and Environmental Solutions i A to C Permit Application
Tel: [phone] Southern Concrete Materials —Pond Road
80 Pond Road

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Permit Application for Authorization to Construct
(A to Q a Process /Stormwater Recycling System
Southern Concrete Materials — Bryson City Plant
Bryson City, North Carolina
NPDES General Permit No.: NCG140000
Certificate of Coverage: NCG140309
1.0 FACILITY DESCRIPTION
Southern Concrete Materials -Bryson City Plant located at 450 Industrial Park Road, Bryson
City, Swain County, North Carolina, is a dry batch ready mix concrete plant for commercial
supply. The primary Standard Industrial Classification (SIC Code) for the facility is 3273
(Ready Mixed Concrete). The approximate location of the facility on a US Geological Survey
Map is provided on Figure 1. The geographic site location can also be given as 350 24' 34.66"
North Latitude and 830 27' 30.75" West Longitude. The subject facility is surrounded by light
manufacturing and wooded area draining to Cochran Branch. The details of surrounding
properties are displayed on Figure 2. The Bryson City Plant occupies approximately 2.2 acres
of land and out of which, approximately 0.75 acres of area is paved with concrete.
Stormwater from this property reaches Cochran Branch of Tuckasegee River located south
west of the pro property (Attachment D). Based on my discussion with NC Division of Water
Quality, it is our understanding that Cochran Branch is classified as Class C (see attached
table obtained from NC DENR — Division of Water Quality Section web site for details -
Attachment D). The stormwater from the facility is carried to Cochran Branch via swales and
sheet flow (Figure 3). The Bryson City Plant consists of an office building, a ready mix
concrete plant next to the office building, cement and fly -ash silos, a three -pit system to
control washwater from the discharge, an aboveground fuel oil tank with a secondary
containment, sand and gravel storage areas, and a concrete truck drum wash area. Bryson City
Plant has approximately 9 to 10 trucks and operates 8 hrs/day, 5 days/wk and 30 to 50
wks/year, depending upon the weather conditions.
2.0 FACILITY OPERATIONS
The facility operations include: a dry batch concrete plant with vacuum system for dust control
(no water sprinklers are attached to the concrete truck loading chute for dust suppression),
cement and fly -ash silos with a dust control central vacuum system, sand and gravel storage
areas with no water sprinkler system (dry storage areas) and a truck washing area.
Based on the request from the user, the sand, gravel, and cement and fly -ash are loaded into a
weigh scale which drops the dry mix into cement trucks as a dry batch concrete mix. During
CP Engineering and Environmental Solutions I A to C Permit Application
Tel: [phone] Southern Concrete Materials —Pond Road
80 Pond Road

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the truck loading process, vacuum is applied around the loading chute to suppress any cement
/ particulate dust that is being generated. The dust extracted from the loading chute area is
processed through a NC DENR Division of Air Quality permitted bag filter system before
released into the atmosphere. The loaded cement truck with concrete mix is brought to a truck
washing area for a surficial wash before goes out for the delivery. Occasionally, any left over
concrete in the concrete drum is washed of at the plant in a truck washing bay. Thus, process
water is being generated at the plant for either recycling or disposal. Based on our
understanding of the facility operations, wash chemical are located in the wash pit area to
collect any potential spills from these storage vessels. The oil storage tank is far from the pits
and secondary contained. Therefore, no oily water or stormwater contaminated with
chemicals are being released to the environment from the facility.
The facility has applied for a NPDES General Permit (NCG140000) but no permit was issued
at this time. To meet the NPDES General Stormwater Permit requirements, a Stormwater
Pollution Prevention Plan (SWPP Plan) with Best Management Practices for potential
stormwater pollutant sources is currently being prepared for implementation at the site.
All truck drums and drum chutes are washed at the end of the day before parked for good.
Therefore, the locations where process washwater is being generated at the plant are:
• Surficial cleaning of the drum before leaving the site,
• Cement drum washing if left over concrete is brought back to the plant; and
• Drum and dr un chutes cleaning at the end of the day.
3.0 PROCESS WASHWATER CALCULATIONS
Based on our discussions with the Bryson City Plant Manager, it is our understanding that
approximately 40 to 45 batches per day are completed in the summer time and 25 batches per
day are completed in the winter time using 9 to 10 trucks. Approximately 5 to 10 gals of
water are used for Surficial washing of the truck per batch. Approximately 5 to 10 gals of
water are used to wash drum chutes per truck per day at the end of the day. Approximately
200 gals Der day Der drum are used to wash at the end of the day.
r� w .;DescriptionAofOperation.. -=: may ,
_ .. 7 .Univ:
Total :
# Trucks (worst -case)
trucks
10
# Batches per day using 10 trucks
(worst -case scenario -summer time)
Batches
40
Surficial cleaning
10 galsibatch
400
Chute cleaning at the end of the day
i 0 als/truck
100
Drum cleaning at the end of the day
150 als/truck
1,500
Leftover concrete washing from the drum (5
batches)
200 galsibatch
1,000
Total(gals/day)
3 050
CP Engineering and Environmental Solutions 2 A to C Permit Application
Tel: [phone] Southern Concrete Materials —Pond Road
80 Pond Road

4.0 STORMWATER RUNOFF CALCULATIONS FOR A 25 YEAR AND
24-HR RAIN EVENT
According NC DENR-Division of Water Quality NPDES General Stormwater Permit
requirements, recycle systems are considered wastewater treatment per 15A NCAC 2H .0203
and all wastewater discharges must meet a total suspended solids (TSS) limit of 30 mg/l, a
settleable solids (SS) limit of 5 ml/l, and pH between 6-9 SU or must demonstrate that the
recycle system has sufficient capacity to contain 25-year, 24-hr rainfall event plus one foot of
freeboard under the design operating conditions.
To obtain an economic and workable solution to the proposed recycling system design, the
truck washing operations and process washwater generating points are all brought to one
location to reduce the drainage area for 25-yr, 24-hr calculations. Approximately 12,632 sq ft
or 0.29 acres of area including the pit system designed for the process / stormwater recycling
is expected to contribute to the process washwater from the facility (Figure 3). All washing
operations beyond this designated area are prohibited at the facility and the drivers will be
trained to adhere to this new policy for meeting the Stormwater regulations. CPEES has
performed stormwater calculations for a 25-yr, 24-hr rain event for 0.29 acres and
approximately 6,000 cubic feet (eft) of runoff capacity is required to hold the designed rain
event. The runoff volume and weir design calculations are provided in Attachment A.
Please note, during a rain event, no plant operations will be conducted. Therefore, no
washwater is accounted for in the proposed recycle system design when 25-yr, 24-hr rain
event for stormwater is considered.
5.0 pH ADJUSTMENT FOR THE RECYCLE SYSTEM
Southern Concrete Materials has been currently using Carbon Dioxide Systems to control pH
in the process washwater generated at some of their facilities. It is proven very efficient to
control pH with carbon dioxide since carbon dioxide when mixed with water forms carbonic
acid. It is a weak acid which would neutralize alkaline solution (cement washwater) generated
at the plant.
Carbonic acid, has the formyla H2CO3. It is also a name sometimes given to solutions of
carbon dioxide in water, which contain small amounts of H2CO3. The salts of carbonic acids
are called bicarbonates (or hydrogencarbonates) and carbonates. It is a weak acid. Carbon
dioxide dissolved in water is in equilibrium with carbonic acid:
CO2 -+- H2O = H2CO3
1: Wikipedia: http://en.wikipedia.org/wiki/Carbonic_acid
CP Engineering and Environmental Solutions 3 A to C Permit Application
Tel: [phone] Southern Concrete Materials --Pond Road
80 Pond Road

In addition, it has also proven to be having a secondary benefit in reducing total suspended
and settleable solids concentration considerably from the process washwater and stormwater
recycle system. A copy of analytical test results obtained from NC certified laboratory,
Environmental Testing Solutions, for a similar site - SCM Biltmore Plant in Biltmore, North
Carolina is provided in Attachment B for the State review. The manufacturer supplied
literature for Carbon Dioxide System is provided in Attachment C.
6.0 STORMWATER / PROCESS WASHWATER RECYCLE SYSTEM
DESIGN AND CONSTRUCTION DETAILS
The proposed recycle system is designed to capture all process washwater and stormwater
from a 25-yr, 24-hr rainfall event from the subject plant wash areas. The recycle system is
designed to hold entire runoff amount from the designed storm event. The approximate
drainage area involved in the process washwater is estimated to be 0.29 acres (Figure 3). The
25 year, 24-hr runoff volume from this drainage area is estimated to be 6,000 cft. A recycle
system designed for the estimated runoff is a three pit system and an additional aboveground
storage tank (AST) (Figure 3). The total volume of all the three pits were designed to be
sufficient to hold the entire 25 year, 24-hr run off volume. Please note SCM strives very hard
to control and mitigate migration of any contaminated stormwater from the facility to the
waters of US. Appropriate slopes berms/walls are proposed to isolate the 0.29 acres of
drainage area for the washwater / stormwater recycling operations (Figure 3).
All the three pits in the recycling system were sloped at the entrance in order for a front-end
loader to go into the pit for a periodic cleanup. However, a berm or a slope away from the pit
is placed infront of the second and the third pit in order to divert the wash wastewater entry
into these pits. The cross -sectional and construction details of the pits are shown on Figure 4.
CPEES designed a pit sludge storage area next to the truck washing operations in order to
control stormwater flow that is in contact with the pit sludge. The slopes of the truck washing
operations and the pit sludge storage area are directed toward the first pit of the three pit
recycling system in order to control and mitigate migration of stormwater contamination from
the washing operations.
The location of the recycling (three pit and AST) system along with stormwater flow
directions and wash areas are displayed on Figure 3. The construction details for the recycling
system are displayed on Figure 4. In addition to the recycling system, the proposed carbon
dioxide system in the recycle system will enhance additional removal of Total Suspended
Solids (TSS) and Settleable Solids (SS), and also adjust pH to suit process water for recycling
at the plant. The location of the carbon dioxide system is displayed on Figure 3. The 25 year,
24-hr stormwater runoff calculations are provided in Table 1 of this report.
CP Engineering and Environmental Solutions 4 A to C Permit Application
Tel: [phone] Southern Concrete Materials —Pond Road
80 Pond Road

® 1

A sump pump with a level switch will be provided to pump water from the third pit as
required either to the AST, plant or to the truck washing operations. This would help empty
the third pit to accommodate any possible rain event.
7.0 A to C CONSTRUCTION PERMIT APPLICATION
Based on our consultants' discussions with the State DWQ, it is our understanding that we
need to file a NCG 140000 Notice of Intent (NOI) Form to obtain A to C Permit to construct
the proposed process washwater / stormwater recycle system at the Bryson City Plant. A copy
of the NCG 140000 NOl is attached with the A to C Report for an approval.
CP Engineering and Environmental Solutions 5 A to C Permit Application
Tel: [phone] Southern Concrete Materials —Pond Road
80 Pond Road

4 Division of Water Quality / Surface Water Protection
NCDENRNational Pollutant Discharge Elimination System
FhvrtewMl,T wn IYQlltiu. {b:'10-.Mta
NCG140000
FOR AGENCY USE 6 1LY
Dace Received
Year m.nth I Da
Certificate of Cove
4
'Mck � Attxi=
Nrctds Assigned to
NOTICE OF INTENT
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG 140000:
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 NO[ 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
stormweter): This NO] 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 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 staff2 along with this application. A copy of the design
calculations should be included. Please see questions 14 & 15.
waI For questions, please contact the DWO Regional Office for your area. (See page 5)
(Please print or type)
1) Mailing address of ownerloperator (address to which all permit correspondence will be mailed):
Name
Street Address
City
Telephone No.
MR. JEFF LAMM, EH & S MANAGER
P.O. BOX 5395
ASHEVILLE
828-253-6421
2) Location of facility producing discharge:
Facility Name
Facility Contact
Street Address
City
County
Telephone No.
State NC ZIP Code 28813
Fax: [phone]
SOUTHERN CONCRETE MATERIALS - BRYSON CITY PLANT
MR. JEFF LAMM, EH&S MANAGER
450 INDUSTRIAL PARK ROAD
BRYSON CITY State NC ZIP Code 28713
SWAIN
828-253-6421 Fax: [phone]
Page i of 5
'As per 15A NCAC 2H .0105
21Jnless 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.
SW U-229-07140E
Last revised 7114108

NCG140000 N.O.t.
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). SEE DRAWING FOR DETAILS
(A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this application.)
4) Latitude 35 24' 34.66"
Longitude 83 27' 30.75"
(deg, min, sec)
5) This NPDES Permit Application applies to which of the following:
❑ New or Proposed Facility Date operation is to begin
0 Existing
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 2 7 3
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.)
CONCRETE
8) Discharge points / Receiving waters:
How many discharge points (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the
property? TWO (OUTFALL-001 AND OUTFALL-002)
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? COCHRAN BRANCH SEE FIGURE 1)
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). N/A
Receiving water classification (if known): CLASS C (SEE ATTACHED SHEETS)
Note: Discharge of process wastewater to receiving waters classified as WS-11 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?
0 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)?
0 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?
❑ No
0 Yes
If yes, please briefly describe: SECONDARY CONTAINMENT FOR 011-SCHEMICALSTr)RAGE RF=RMS
AROUND THE STONE AND SAND STORAGE AREAS,_ PLANS TO RECYCLE WASHWATER
Page 2of5
SWU-229-071408 Last revised 7/14/2008

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NCG140000 N.O.I.
0
12) Does this facility have a Stormwater Pollution Prevention Plan?
0 No
❑ Yes
If yes, when was it implemented?
13) Are vehicle maintenance activities occurring or planned at this facility?
0 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 FZ1 Yes ❑ No
Wetting of raw material stockpiles ❑ Yes 0 No
Mixing drum cleaning
0 Yes ❑ No
If yes to any of the above, please describe the type of process used to treat and/or recycle the process
wastewater.
For 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/l, and Settleable Solids (SS) — 5 ml/I.) (Use separate sheet(s)].
If all these discharges are recycled, please refer to Question 15.
For plants that recycle and/or dlscharae 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 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. DWQ may
request the status of your plans for requesting an AFC upon issuance of the CDC.
15) Does the facility use or plan to use a recycle system?
❑ No
0 Yes
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
25 year, 24-hr rainfall event
For a recycle system {rgaardless 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 mgll, 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

i
4
�

NCG140000 N.O.I.
16) Are wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain?
0 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 this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
0 No
❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
0 No
❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
0 No
❑ Yes
d) 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.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: MR. JEFF LAMM
Title: EH & S MANAGER
(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

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NCG140000 N.O.I.
Final Checklist
This application will be returned as incomplete unless all of the following items have been included:
0 Check for $100 made payable to NCDENR.
0 This completed application and all supporting documentation (including design details and calculations for
treatment systems).
❑ If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR)
or local designee: documentation verifying applicant has developed and submitted that Plan to the governing
agency (required per 15A NCAC 02H .0138). NOT REQUIRED
❑ For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and
specifications for wastewater treatment facilities (including recycle systems), signed and sealed by a
Professional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7). N/A
0 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
detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions,
retention time, piping, settling basin details, etc. SEE ATTACHED
0 A site map showing, at a minimum, (existing or proposed):
(a) outline of drainage areas, (b) stormwater/wastewater treatment structures, (c) location of
stormwater/wastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures,
(e) areas where materials are stored, (f) impervious areas, and (g) site property lines.
0 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 DWO 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 711412008

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Directions to 450 Industrial Park Rd,
�TM Bryson City, NC 28713
Maps 311 mi — about 5 hours 6 mins
4 Raleigh, N Carolina 27699
1.
Head north on S Wilmington St toward E South St
go 361 ft
total 361 ft
2.
Turn left at W Lenoir St
go 0.3 mi
About 2 mins
total 0.4 mi
�a
3.
Turn left at S Dawson StINC-50IUS-401/US-70
go 1.4 mi
Continue to follow NC-50NS-401/US-70
total 1.8 mi
About 3 mins
4.
Turn right to merge onto 1-40 W11-40 WIUS-64 W
go 71.0 mi
Continue to follow 1-40 W
total 72.8 mi
About 1 hour 7 mins
5.
Slight right at 1-40 Bus WII-85 Bus S (signs for 1-85 Busl1-40 Bus1US-
go 14.9 mi
701Greensboro)
total 87.8 mi
Continue to follow 1-40 Bus W
About 15 mins
6.
Merge onto 1-40 W
go 184 mi
About 2 hours 51 mins
total 271 mi
7.
Take exit 27 to merge onto US-74 W toward Waynesville/Clyde/
go4.1 mi
Atlanta/US-231Maggie Valley/Franklin/Murphy/US-19
total 275 mi
About 4 mins
19
8.
Take exit 103 to merge onto US-19 toward Cherokee/Maggie Valley
go 31.5 mi
About 37 mins
total 307 mi
19
9.
Turn left at Governors Island Rd1US-19
go4.1 mi
Continue to follow US-19
total 311 mi
About 6 mins
18
10.
Turn left at Industrial Park RdINC-1186
go 0.2 mi
About 1 min
total 311 mi
(} 450 Industrial Park Rd, Bryson City, NC 28713
These directions are for planning purposes only. You may find that construction projects, traffic, weather, or
other events may cause conditions to differ from the map results, and you should plan your route accordingly.
You must obey all signs or notices regarding your route.
Map data 02009, Tele Atlas

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TABLE 1
SOUTHERN CONCRETE MATERIALS
t5K T ZIUN 1AIT - NVK IK UAKVLINA
Size of a Concrete Recycling System for Process Washwaterl Stormwater for a Ready Mix Concrete Plant
:e for a 25 yr, 24-hr Runoff Volume = Use SCS Peak Discharge
linage Area =
0.29 acres or 12,632 sq ft.
Ivatlon Difference--2
ft (Obtained from the site topo map)
ngth =
135 ft (Obtained from the site topo map)
_1.5 min (8.03a)
Ipe =
1 %
98 (Table 8.03b)
Infall =
5.9 inches (Ref Fig 8.03k)
L6.7,inches
Infall Intensity (Asheville) =
7 inlhr (8.03f)
noff Depth =
(Table 8.03c)
Runoff Volume =
Drainage Area x Runoff Depth
6,000 cu ft.
gn Recycle pits to hold = 6,000 cu ft. A minimum of 2 pits with a buffer of 1 additional pit for emergencies
CIA
02 = 1.027 Peak rate of runoff in cubic feet per second
Q23.25 Yr, 24-hr Discharge = C = 0.9 Runoff Coefficient
i = 7 Average intensity of Rainfall in inchesthr for a storm duration -time of concentration
A = 0,29 Drainage area
for Weir for 025 =
of the weir
y of pits
Pit 1 (Flat Area Volume)
Pit 1 (Slope Area Volume}
3.0LH`
025 = 1.827
L = Lenghth of the weir (ft)
H = 0.75 Height of the weir (ft) Assume 0.5 ft
1.827 =3,0 x L x (0.75) 32
1 ft
L= 10 It
W = 23 ft AREA/pit ¢ 1,380 cubic feet.
D= 6 ft
or 1,380 cubic feet.
L = 22 It
W = 23 ft AREAIpit " 1,518 cubic feet
D= 6 ft
Pit 2 8, 3 Each (Slope Area Volume) L =
27
ft
W =
13
ft AREA113it =
790 cubic feet.
D=
AS
ft
or
1579.5 cubic feet (Two pits)
Pit 2 & 3 Each (Flat Area Volume) L =
3
ft
W =
13
ft AREAIpit =
176 cubic feet.
D =
4.5
ft
or
351 cubic feet (Two pits)
Total Pit Volume (CFT) =
4,829 cubic feet Total Pit Volume
Above Ground Tank Volume 10000 gal or 1,340 cubic feet.
6,169 cubic feet > 6,000 cubic feet
Chalam Pekale, PE
CP Engineenng
Tel: [phone]
CPEES Project No. 11144)O5

FIGURES
Figure 1: Site Location Map
Figure 2: Aerial View of Surrounding Properties around the
Bryson City Plant
Figure 3: Site Layout Map with Buildings, Dry Mix Concrete
Plant, and Proposed Process Washwater /
Stormwater Recycle System
Figure 4: Process Washwater and Stormwater Recycle System
Construction Details

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V� 083- 27'�0.00"
0183- 26'�0-00
Name: BRYSON CITY Location: 035' 24' 34.9" N 083* 27* 31.0" W
Date: 4f7/2009 Caption: SITE LOCATION MAP
Scale: 1 inch equals 2000 feet SCM - BRYSON CITY PLANT
FIGURE 1 JOB NO. 1114-005
Copyright (C) 1997, Maptech, Inc.

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r tt

PREPARED BY:
CVP
03/27/09
DRAWN BY:
CAD
03/27/09
CHECKED BY:
CVP
03/27/09
APPROVED BY
I CVP
103/27/09
-T-7

ATTACHMENTS
Attachment A: Runoff Volume and Weir Design Calculations
with Backup
Attachment B: Laboratory Analytical Results Supplied by
Environmental Testing Solutions
Attachment C: Manufacturer Supplied Literature for Carbon
Dioxide System
Attachment D: NC DENR — Division of Water Quality Stream
Classification Table for Swain County

TABLE 1
SOUTHERN CONCRETE MATERIALS
Size for a 25 yr, 24-hr Runoff Volume =
Use SCS Peak Discharge
Drainage Area =
: 0.29 acres or 12,632 sq ft.
Elevation Difference=
. ift (Obtained from the site topo map)
Length =
135: ft (Obtained from the site topo map)
Tc =
A.S min (8.03a)
Slope =
1 %
CN
98 (Table 8.03b)
Rainfall =
•..5.9 inches (Ref Fig 8.03k)
Rainfall Intensity (Asheville) _
' 7 inlhr (8.03f)
Runoff Depth =
6.7 inches (Table 8.03c)
Runoff Volume =
Drainage Area x Runoff Depth
6,000 cu ft.
Design Recycle pits to hold = 6,000 cu ft. A minimum of 2 pits with a buffer of 1 additional pit for emergencies
CIA
Q25 = 1.827 Peak rate of runoff in cubic feet per second
025 - 26 Yr, 24-hr Discharge = C = 0.9 Runoff Coefficient
i = 7 Average intensity of Rainfall in incheslhr for a storm duration -time of concentration
A = 0.29 Drainage area
for Weir for Qn =
OLength of the weir =
Capacity of pits
Pit 1 (Flat Area Volume)
Pit 1 (Slope Area Volume)
3.0LH"'
Q25 = 1,827
L = Lenghth of the weir (ft)
H = 0.75 Height of the weir (ft) Assume 0.5 ft
1.827 =3.0 x L x (0.75)
1 ft
Pit 2 & 3 Each (Slope Area Volume)
Pit 2 & 3 Each (Flat Area Volume)
Total Pit Volume IC FT) =
L=
W=
D=
L=
W=
D=
L=
W=
D=
L=
W=
D=
10 ft
23 ft AREA/pit =
6 ft
or
22 ft
23 ft AREA/pit =
6 ft
27 ft
13 ft AREA/pit =
4.5 ft
or
3 ft
13 ft AREA/pit =
4.5 ft
or
Above Ground Tank Volume 10000 gal or
1,380 cubic feet.
1,380 cubic feet.
1,518 cubicfeei.
790 cubic feet.
1579.5 cubic feet (Two pits)
176 cubic feet.
351 cubic feet (Two pits)
4,829 cubic feet Total Pit Volume
1,340 cubic feet.
6,169 cubic feet > 6,000 cubic feet
Chalam Pakala, PE
CP Enpin",kv
Tel: [phone]
ePEES Prcj9d No, 1114-005

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c
0
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0
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O
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Q)
z
H (ft)
Note:
Use nomograph Tc for natural basins with well-defined channels, for overland
flow on bare earth, and for mowed -grass roadside channels.
For overland flow, grassed surfaces, multiply Tc by 2.
For overland flow, concrete or asphalt surfaces, multiply Tc by 0.4.
For concrete channels, multiply Tc by 0.2.
Figure 8,03a Time of concentration of small drainage basins.
T-` nin)
200
100
50
10
5
•5
A
8.03.4

Table 8.03b
Runoff Curve Numbers (CN)
Hydrologic Soil Group
A
B
C
D
Land Use/Cover
Cultivated land
without conservation
72
81
88
91
with conservation
62
71
78
81
Pasture land
poor condition
68
79
86
89
fair condition
49
69
79
84
good condition
39
61
74
80
Meadow
good condition
30
58
71
78
Wood or forest land
Thin stand - poor cover, no mulch
45
66
77
83
Goad stand - good cover
25
55
70
77
Open spaces, lawns, parks, golf courses, cemeteries, etc.
good condition:
grass cover on 75%
or more of the area
39
61
74
80
fair condition:
grass cover on 50
to 75% of the area
49
69
79
84
Commercial and business
areas (85% impervious)
89
92
94
95
Industrial districts
(72% impervious)
81
88
91
93
Residential:' Development completed and vegetation established
Average lot size Average % Impervious
1/8 acre or less 65
77
85
90
92
1 /4 acre 38
61
75
83
87
1/3 acre 30
57
72
81
86
1/2 acre 25
54
70
80
85
1 acre 20
51
68
79
84
2 acre 15
47
66
77
81
Paved parking lots, roofs,
driveways, etc.
98
98
98
98
Streets and roads
paved with curbs and
storm sewers
98
98
98
98
gravel
76
85
89
91
dirt
72
82
87
89
Newly graded area
81
89
93
95
Residential: Development underway and no vegetation
Lot sizes of 1/4 acre
88
93
95
97
Lot sizes of 1/2 acre
85
91
94
96
Lot sizes of 1 acre
82
90
93
95
Lot sizes of 2 acres
81
89
92
94
'Curve numbers are computed assuming the runoff from the house and driveway is directed toward the street.
source: USDA-SCS
8.03.10
Rev. 12143

u
�`r aV at1
6-0
25-yea: i day precipitation (inches)
Scala !n VHge
0 25 so 75 100
RAINFALL DATA MAP
6
�a 5.5 6 6.5
�4 T 1
!+`�••y STOa[S OC•..CM SwEldl .OwIF
I I I o.rq l r��• J � � r•s� EocE[ora (� �
ii ~1 Au.GYJI •M � CM. Tw.Y I ./• '�Vl'ii54w \ '
rll• 1, Apw.w 1
:O -f- _L�._.—.ter-'�' .�,o«rSTOw JG.
r 1j r.•h[rt � �r rrE /i
� I. E[woi•N.
low. `�'lO•E \ J U.
4wiOY .XSOM /JxUTl / LJ OVRIM
`` OF
6.5 \ aOSEWN 0[N �/
\ r '[DOE■
r
r
7 J � SrI[rt
8
8
8.5
0

Appendices
Y 5 10 20 40 60 2 3 4 6 8 12 18 24
T Minutes Hours
Figure 8.03f Rainfall intensity duration curves —Asheville.
20
15
10
8
6
O
L 4
y
O
L
U
C
J 2
T
C
U
C 0.8
io 0.6
C_
m 0.4
Cr
0.2
m
Duration
10 20 40 60 2 3 4 6 8 12 16 24
Minutes Flours
Duration
Figure 8.03g Rainfall intensity duration curves —Charlotte.
8.03.7

Appendices
Table 8.03c
Runoff Depth
b. Determine runoff depth (in inches) from the curve number and rainfall
depth using Table 8.03c.
Rainfall
Curve Number (CN)'
(Inches)
60
65
70
75
80
85
90
95
1.0
0.00
0.00
0.00
0.03
0.08
0.17
0.32
0.56
1.2
0.00
0.00
0.03
0.07
0.15
0.28
0.46
0.74
1.4
0,00
0.02
0.06
0.13
0.24
0.39
0.61
0.92
1,6
0.01
0.05
0.11
0.20
0.34
0.52
0.76
1.11
1.8
0.03
0.09
0.17
0.29
0.44
0.65
0.93
1.30
2.0
0.06
0.14
0.24
0.38
0.56
0.80
1.09
1.48
2.5
0.17
0.30
0.46
0.65
0.89
1.18
1.53
1.97
3.o
0.33
0.51
0.72
0.96
1.25
1.59
1.98
2.44
4.0
0.76
1.03
1.33
1.67
2.04
2.46
2.92
3.42
5.0
1.30
1.65
2.04
2.45
2.89
3.37
3.88
4.41
6.0
1.92
2.35
2.80
3.28
3.78
4.31
4.85
5.40
7.0
2.60
3.10
3.62
4.15
4,69
5.26
5.82
6.40
8.0
3.33
3.90
4.47
5.04
5.62
6.22
6.81
7.39
9.0
4.10
4.72
5.34
5.95
6.57
7.19
7.79
8.39
10.0
4.90
5.57
6.23
6.88
7.52
8.16
8.78
9.39
11.0
5.72
6.44
7.13
7.82
8.48
9.14
9,77
10.39
12.0
6.56
7.32
8.05
8.76
9.45
10.12
10.76
11.39
To obtain
runoff depths
for CN's and other
rainfall
amounts not
shown
in this table, use an arithmetic interpolation.
The volume of runoff from the site can be calculated by multiplying the
area of the site by the runoff depth.
Step 4. Determine the peak rate of runoff for the design storm by adjusting for
watershed shape as follows:
a. Determine an "equivalent drainage area" from the hydraulic length of the
watershed using Figure 8.03n. Hydraulic length is the length of the flow
path from the most remote point in the watershed to the point of discharge.
b. Determine the discharge (cfs/inch of runoff) for the equivalent drainage
area from Figure 8.03o through 8,03q.
Figure 8.03o - for average watershed slopes 0-3%
Figure 8.03p - for average watershed slopes 3-7%
Figure 8.03q - for average watershed slopes 8-50%
Calculate the peak discharge, Qt, of the equivalent watershed by multi-
plying equivalent watershed area by runoff from Table 8.03c in Step 3b.
8.03.17

ENGINEERS CERTIFICATION
OF THE MODEL 5000-S PH
MONITORING AND CONTROL SYSTEM
Lo
G.C. EnvirronmentaL Inc.
P.O_ Box 40125
Raleigh, NC 27629
For:
Fomans Inc.
P.O. Box 40
Wendell, NC 27591
Dated:
September 11, 2003

_ 1
G. C. Environmental, Inc.
5312 Pinewood Court
Wendell, NC 27591
(919) 266-•2864
September 11, 2003
PURPOSE
�e�'l��t �'l �•r"P f� r,,�'r.
P ng
�BOPQRQ194611�
G.C. Environmental, Inc., was contracted to provide an engineers review and certification that the
Model 5000-S pH Monitor and Control System manufactured by Coastal Carolina Supply in
Morehead City, NC, could effectively provide on a continuous basis, an average pH range of 6-9 units
on the supernate layer of a stormwater/rinse water sedimentation basin typically found at Redi-mix
concrete facilities.
SCOPE OF WORK
During the week of August 11, 2003, G.C. Environmental, inc., witnessed the operation of the Model
5000-S self-contained pH Monitoring and Control System at a Redi-mix plant located in Durham, NC.
During the two (2) day test program, measurements were made within the facilities stormwater/rinse
water sedimentation basin for pH, temperature and depth (both supernate and sludge). During the first
day of testing, the basin was found to be heavily loaded with solids and adjustments were made to the
solids blanket to complete testing the following day.
TEST METHODOLOGY
A primary sedimentation basin located at a Redi-mix concrete plant located in Durham, NC was
treated utilizing the Model 5000-S pH Monitor and Control System. During the test program, the
basin was, on a semi -continuous basis, being fed rinse water from the exterior cleaning of cement
trucks. Measurements for pH, temperature, supemate and sludge blankets were made within the
sedimentation basin. Initial pH measurements showed pH levels of at least 12.0 units. The
sedimentation basin was rectangular in shape with concrete walls and bottom. The basin ranged in
depth of 1" at the inlet to approximately Tat the deepest point. Sludge measurements within the basin
showed that at least 2/3 of the basins depth was comprised of sludge and the remainder supernate.
The Model 5000-S pH Monitor and Control System was setup at the rectangular sedimentation basin
with the intake and discharge hoses situated at opposite ends of the basin. Both the intake and
discharge lines were set at depths within the supemate layer of the basin. A clockwise flow pattern
was established once the unit began operation and pH and temperature measurements were made at
several locations throughout the supemate layer of the sedimentation basin. Approximately eighteen
(IS) pH and temperature measurements were collected with a mean pH value of 8.56 and mean
temperature values of30.94 "C. The pH system was left to run essentially on a continuous basis over
a four (4) hour period. An estimated volume existing within the sedimentation basin was 25, 000
gallons with a Iittle over 8000 gallons consisting of relatively clear supernate. The amount of 25%

Sulfuric acid (H2SO4) used to treat the sedimentation basins supernate was approximately 18-20
gallons.
MODEL 5000-5 PH MONITOR AND CONTROL SYSTEM
The model 5000-5 pH Monitor and Control System is comprised of a Hayward Power Flow H (3/4
hp, 56 GPM) centrifugal pump which delivers raw water to a completely contained pH sensor
connected to a pH meter equipped with control relays which operate two (2) stenner (60 GPD) acid
injection pumps. The acid 25% H2SO4 is injected into the pump discharge line which empties into the
sedimentation basin. Sulfuric acid is delivered to the system by 15 gallon carbuoys located outside of
the fiberglass weatherproof enclosure which houses all of the aforementioned equipment. On top of
the enclosed is an alarm light which is tied into the pH meter which is activated when pH levels exceed
8.5 pH units or are below 6.0 units.
CONCLUSION
1. The Model 5000-5 pH Monitor and Control System is an effective system'for the pH balancing of
sedimentation basins which are used to collect stormwater runoff and rinse water, commonly found
at Red -mix concrete plants.
2. During the test program an average pH of 8.54 units was measured in the subject sedimentation
`—® basin with a range of 7.95 to 9.34 measured.
3. Sludge levels existing within the rectangular sedimentation ranged from 6.0 inches to 2.0 feet. PH
values after pH stabilization at the sludge/supernate interface were approximately 12.0 units
4. For this test program, approximately 180 mg/l of sulfates were added to the sedimentation basin as
a result of pH adjustment with 25% sulfuric acid.
5. The 5000-5 pH Monitor and Control System is fully automated and provides a pH adjusted waste
water which could effectively be reused within the Redi-mix concrete industry.

PRESS RELEASE APRIL 20090
New Green Technology for Concrete Producers
Fortrans Inc. 7400B Siemens Road Wendell, NC 27591
www.fortransinc.com 919-365-8004
Fortrans Inc. announces a self-contained pH control and monitoring system that
uses CO2 gas to neutralize high pH process water produced at ready mixed
concrete plants. The Model 5000S pH Control and Monitoring System offers
precise pH control, monitoring of pH and lowers "Total Suspended Solids" of
process water contained in pits, settling basins and lagoons. Use of the system
will provide clean water to recycle.
The Model 5000S pH Control and Monitoring System offers proven technology to
enable operators of ready mixed concrete plants to effectively control the pH and
Total Suspended Solids of process water. After the pH is lowered to 7.5 the
typical total suspended solids are between 10-18 mg/L without filtration. This
enables the facility to meet the pH requirements as well as the 30 mg/L TSS
most permits demand before the water can be released. The treated water may
recycled to batch concrete, irrigate rock, rinse the interiors of the drums on the
concrete trucks and rinse the exteriors of the trucks as well without staining or
scaling of the finishes.
The Model 5000S systems cost 60% to 70% less to operate and maintain than
acid based pH control systems and are also much safer than acid systems. The
systems do not require a separate tank and are guaranteed to perform to the
owner's satisfaction.
This system has been certified by an independent engineering firm to operate as
specified. The units are shipped fully assembled and only require an electrical
connection and a supply of carbon dioxide gas plus a CO2 regulator.
. The system will treat approximately 75,000 gallons over a 24 hour period. The
system is also available as a skid mounted unit. (Model 5000SK) Higher capacity
Systems are also available up to 200,000 GPD.
These systems are highly reliable and affordable. Fortrans has a wealth of
knowledge of this technology and has saved concrete producers time and money
in dealing with high pH process water in an environmentally safe manner. One
company in the Boston area will save approximately $250,000 per year in water
storage and disposal costs. .
Fortran- 7400 B. Siemens Rd. • PO Box 40 • Wendell, NC 27591 •919.365.8004.877.387.8509 • www.fortransinc.com
..

FORTRANS pH CONTROL SYSTEMS
FORTRANS pH CONTROL SYSTEMS are
completely automatic. They continually monitor/test
the pH of the influent water and compares it to the
pH setting of the control unit. If a change in pH is
detected, the controller activates the solenoid valve
for the God, The pH adjustment ChemiCal is teen fed
to the return Side of the circulation pump until the
pH is again at the proper level set at the controller.
The unit will continuously circulate the water until a
change in pH is detected and the treatment cycle
begins once again. The unit also features a digital
pH meter connected to a probe in the sample cell
to ensure unit is functioning properly and that the
correct pH level is maintained.
The pH CONTROL SYSTEMS are designed to
treat and maintain a specified pH level in a body of
water usually 100,000 gallons or less to allow the
permitted discharge of treated water to the
environment. Permits must be obtained from the
local governing agency to allow any discharge to the
environment. Treated water may be used for wetting
of rock and/or dust control to aid compliance with
stormwater run off regulations. Treated water may
also be used in water recycling systems.
These systems offers precise monitoring and
control of the pH in settling basins, lagoons and
other outfall containment devices.
-The pH CONTROL SYSTEMS will treat up to
57 gallons per minute - max 20' head pressure.
Unique water circulation design eliminates the need
for separate neutralization tank.
•1.5" quick connect fittings on inlet and return
for easy hook-up. The standard unit is equipped with
2-30' sections of 1.5" flexible hose with quick connect
fittings. Inlet and outlet fittings at the basin or lagoon
are per our specifications.
-Unit is shipped completely assembled. The
chemical controller is preprogrammed to maintain a
pH of 7.5. Just attach hoses and PVC fittings.
• 1 year warranty on all component parts
and housing.
Fortrans..-
mr
The'Model 5000-S pH Control System is a self-
contained pH monitor and control system housed in
a weatherproof facility with lockable doors and
adequate space to house the instrumentation and
circulation. pump. The system is configured for carbon
dioxide gas operation.
The Model 5000-SK Skid Mounted pH Control
System contains all of the instrumentation and
components of the regular Model 5000-S System
and is shipped on a 44"x47'.plastic skid with a durable
solid plastic surface. The Control Panel is provided
loose with all components installed and is designed
to be attached to an interior wall of the control
building. The tubing to the sample cell and from the
CO2 solenoid valve to the Sparger stone feed
assembly must be inserted after receipt of the unit.
The system features a 115V-30Amp Breaker Box
and two G.FCI receptacles. The system is shipped
with a CO2 feed system.
FORTRANS, INC, • 7400 C. Siemens Rd. - Wendell N.C. 27591
1.866.365.8760 1.919.624,8832

Attachment D
NC DENR — Division of Water Quality Stream Classification Table for
Swain County

NC NomeTownLocntor ® Map of Swain County, NC
Cnart<iton ® �
J �18
�O
u
�11 0.._. 60M.P.-rT�ssascv�iW
�
�-r
32
: Newoon —
o' ; 0
Cherokee H-x Sx
na
i Nawl Forest
213
Man F£1�
Pirtman 73 _ `� 1lannao� 18
/Cen:er�
1
gi/
P. a�`
�5avr {
zohmnwae f : ��
•,� A1AOYlhe
_..
e,.4P'*wao Y7.
Fnn_Un�,1
iaY-AT. f4W"-d5
b
Himass.H '
eg � 17 78 � �J•
• Rosman' • ,
ATTACHMENT D

Name of Stream
Description
Cur: Class
Date
Basin
Stream Index #
Pole Road Creek
From source to Deep
WS-II;Tr,HQW
08/01/94
Little
2-79-63-8
Creek
Tennessee
Elliott Cove
From source to Deep
WS-11;Tr,HQW
08/01/94
Little
2-79-63-9
Branch
Creek
Tennessee
Toot Hollow
From source to
C
09/01/74
Little
2-79-64
Branch
Tuckasegee River
Tennessee
Cripple Creek
From source to
C
09/01/74
Little
2-79-65
Tuckasegee River
Tennessee
Bryson Branch
From source to
C
09/01/74
Little
2-79-66
Tuckasegee River
Tennessee
Hughes Branch
From source to
C
09/01/74
Little
2-79-67
Tuckasegee River
Tennessee
Jenkins Branch
From source to Bryson
C;Tr,HQW
o8/03/92
Little
2-79-68-(1)
City Water Supply
Tennessee
Intake
Jenkins Branch
From Bryson City Water
C
09/01/74
Little
2-79-68-(2)
Supply Intake to
Tennessee
Tuckasegee River
Cochran Branch
From} source to
©
07/O1/61
Little
2-79-69
Tuckasegee River
Tennessee
Lemmons Branch
From source to
C
04/01/71
Little
2-79-70
Tuckasegee River
Tennessee
Buckner Branch
From source to
C
07/01/61
Little
2-80
Tuckasegee River Arm
Tennessee
of Fontana Lake,
Little Tennessee River
Gibby Branch
From source to Buckner
C
07/01/61
Little
2-80-1
Branch
Tennessee
Messer Branch
From source to Buckner
C
07/01/61
Little
2-80-2
Branch
Tennessee
Watkins Branch
From source to
C
07/01/61
Little
2-81
Tuckasegee River Arm
Tennessee
of Fontana Lake,
Little Tennessee River
Mountain Branch From source to C
Tuckasegee River Arm
of Fontana Lake,
Little Tennessee River
Lands Creek
Lands Creek
Long Branch
From source to Bryson WS-I;HQW
City Water Supply
Intake
From Bryson City Water C
Supply Intake to
Tuckasegee River Arm
of Fontana Lake,
Little Tennessee River
From source to Lands
Creek
Silvermine Branch From source to Lands
Creek
Laurel Branch From source to
Tuckasegee River Arm
of Fontana bake,
Little Tennessee River
07/01/61 Little 2-82
Tennessee
08/03/92 Little 2-83-(1)
Tennessee
07/01/61 Little 2-83- 0 )
Tennessee
WS-I;HQW 06/03/92 Little 2-83-2
Tennessee
C 07/01/61 Little 2-83-4
Tennessee
C 07/01/61 Little 2-84
Tennessee
Page 23 of 26 2009-03-28 04:31:36

TERRAIN MAP
Southern Concrete Materials - Bryson City Plant
450 Industrial Park Road
Bryson City, North Carolina
Goggle
TM Address
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ATTACHMENT D