WQ0012155_Final Permit_19960628

Siate of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr,, P.E., Director
June 28, 1996
Mr. Richard Pennell, Jr., V.P., General Manager, Prestress
Metromont Materials Corporation
2802 White Horse Road
Greenville, SC 29611
Subject: Permit No. WQ0012155
Metromont Materials Corporation
Charlotte Prestress
Washwater Recycle System
Mecklenburg County
Dear Mr. Pennell:
In accordance with your application received March 11, 1996, we are forwarding herewith Permit
No. WQ0012155, dated June 28, 1996, to Metromont Materials Corporation for the operation of the
subject washwater recycle system, which was previously constructed.
This permit shall be effective from the date of issuance until May 31, 2001, and shall be subject to
the conditions and limitations as specified therein. Please pay particular attention to the monitoring
requirements in this permit. Failure to establish an adequate system for collecting and maintaining the
required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact J. Ray Cox at [phone], extension 549.
Sincerely,
resto oward, Jr., P.E.
cc: Mecklenburg County Health Department
J.L. Rogers & Callcott Engineers, Inc.
Mooresville Regional Office, Water Quality Section
Training and Certification Unit
Facilities Assessment Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
RECYCLE SYSTEM PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Metromont Materials Corporation
Mecklenburg County
FOR THE
operation of an existing 3,140 gallon capacity closed -loop washwater recycle system consisting of a 3,140
gallon concrete basin, three air diaphragm pumps (0-130 gpm each) and a trench drain, with gravity feed
back to the basin, to serve Metromont Materials Corporation's Charlotte Prestress facility, with no
discharge of wastes to the surface waters, pursuant to the application received March 11, 1996, and in
conformity with the project plan, specifications, and other supporting data subsequently filed and
approved by the Department of Environment, Health and Natural Resources and considered a part of this
permit.
This permit shall be effective from the date of issuance until May 31, 2001, and shall be subject to
the following specified conditions and limitations:
1. This permit shall become voidable unless the facilities were constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other supporting
data.
2. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
3. The facilities shall be properly maintained and operated at all times.
4. This permit is not transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Environmental Management accompanied by an application
fee, documentation from the parties involved, and other supporting materials as may be
appropriate, The approval of the request will be considered on its merits and may or may
not be approved.
5. Within 30 days of receipt of this permit for the previously constructed facility, a
certification must be received from a professional engineer certifying that the permitted
facility was installed in accordance with this permit, the approved plans and specifications,
and other supporting materials. Mail the Certification to the Water Quality Permits and
Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.

6. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those
actions that may be required by this Division, such as the construction of additional or
replacement treatment or disposal facilities.
7. The residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
8. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
9. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any wastewater resulting from the operation of this facility.
10. Diversion or bypassing of untreated wastewater from the treatment facilities is prohibited.
11. Freeboard of at least 9.0 inches (as indicated on the design drawings) shall be maintained in
the wash basin.
12. Any monitoring deemed necessary by the Division of Environmental Management to insure
surface and ground water protection will be established and an acceptable sampling
reporting schedule shall be followed.
13. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
14. The Permittee or his designee shall inspect the washwater recycle facilities to prevent
malfunctions and deterioration, operator errors and discharges which may cause or lead to
the release of wastes to the environment, a threat to human health, or a nuisance. The
Permittee shall maintain an inspection log or summary including at least the date and time of
inspection, observations made, and any maintenance, repairs, or corrective actions taken by
the Permittee. This log of inspections shall be maintained by the Permittee for a period of
three years from the date of the inspection and shall be made available to the Division of
Environmental Management or other permitting authority, upon request.
15. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the recycle system at any reasonable time for the purpose
of determining compliance with this permit, may inspect or copy any records that must be
maintained under the terms and conditions of this permit, and may obtain samples of
groundwater, surface water, or leachate.
16. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15A NCAC 2H .0205
(c)(4).
17. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
18. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
19. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
2

20. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, teIephone
number [phone], as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence at the wastewater treatment facility which results in the treatment of
significant amounts of wastes which are abnormal in quantity or characteristic, such as
the dumping of the contents of a basin or tank, the known passage of a slug of
hazardous substance through the facility, or any other unusual circumstances;
b. Any process unit failure, due to known or unknown reasons, that renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
directly to receiving waters without treatment of all or any portion of the influent to
such station or facility; or
d . Any time that self -monitoring information indicates that the facility is not in compliance
with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within five (5) days following first knowledge of the occurrence. This report must
outline the actions taken or proposed to be taken to ensure that the problem does not recur.
21. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
22. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
Permit issued this the twenty-eighth day of June, 1996
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
resto '' award, Jr., P.E., Director
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0012155

Permit No. WQ0012155
June 28, 1996
ENGINEER'S CERTIFICATION
1, , 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,
Project Name
Location
for the
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation
of the construction such that the construction was observed to be built within substantial compliance and
intent of this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.

NE
24 OW
I 41LE
4000 5000 6000 7000 FEET
I KILOMETER ) ,
VAL 10 FEET --Q`ct LULU
i SEA LEVEL
AL MAP ACCURACY STANDARDS
JRVEY, WASH INGTON, D. C. 20242
4ND SYMBOLS IS AVAILABLE ON REQUEST
JV,'./7b,WPn k 94;U)rl't)s
QUADRANGLE LOCATION
521
03
n2
010wm N.
15°15,
5 bU 4n`
22— r.
ROAD CLASSIFICATION
Primary highway, Light -duty road, hard or
hard surface improved surface
Secondary highway,
hard surface Unimproved road
UInterstate Route U U. S. Route O State Route
DERITA, N. C.
N3515—W8045/7.5
1972
AMS 41354 IV SE -SERIES V842

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: lhe✓�o
Owner or Contact Person:
Mailing Address: 2,JD2 64y?_5;� epl�
County: V Telephone. G 1t-
Present Classification: -_ New Facility Existing Facility 11
NPDES Per. No. NC00 Nondisc. Per. No.WQd�l2f Ja_ Health Dept.Per No.
Rated by:.�
Reviewed by: Health Dept. Telephone:
Regional Office
Central Office
ORC: Grade:
Check Classification(s): SubsurfacB Spray Irrigation
Wastewater Classification: (Circle One) 1 11 111 IV
SUBSUWAM CiASSFICATICIN
(check all wft that apply)
1. Wtlo tanks
2. pump tanks
3.xV= or pump -dosing systems
4. _sand Fitters
grease trapinterceptor
j. oil/wador separators
7. gravity subsurface treasriment and disposal:
8. pressure subsr:urlrw treatment and dual:
Telephone:
Telephone:
Telephone:
Land Applicatior
Total Points:
!SPRAY FfOGATCN CLASSFICATM
(chock all units that apply)
1.
preliminary treaimerd (definitlon no, 32 )
2
lagoon-
3.
septic tanks
4_
pump tanks
5, - -
- - putwa
B.
sand litters
7ti______greaae
IraplRSerceplon
B.
odlwaler separators
9-disinfection
10,
chemical aaedditkm for mitrient/saigae control
11. spray irrigation sill wasiewater
In sadditlon to the abome classifications, pretreatment of wastewater In excess of these components shsll
be rated using the point rating system and will require an operator with an appropriate dual cartificatlon.
LAND APPLICATIONlRESIDUALS CLASSIFICATON (Applies only to permit FKAder)
1. _Lasts appiicatiort of biosolids, residuals or contaminated sails on a designated site.
-------------------------
WASTEWATER TREATMENT FAC1 J YC ASSiF"Ti)N
The following systems ahail be assigned a Class I dassllication, �g the flow is a stigrrtlicart quantity or the technology is unusually
complex, to require oohs kleration by the Commission on a rasebyca" basis: (Clock K Appropriate)
1, aCit wjder Separator Systems consisting only of phys k--W separation, pumps and a al;
2. tS.Wic Tank/Sand Filter Systems oonsixiing only of aseptic tanks, dosing apparstu3, purnpa,aand rom, disinfection
mid threes diffidiar+ge;
3 Lagoon Systems consisting ably of proliminary treatment, Ingoons, pumps, disknfe-dion, necessary Choam;cW treatment for
algae or nutrient oontroi, sold dfraddischarge;
4 Cad-ka V Recycle 5y !ems;
5, t:3roundwater Remedtadion syslvm consisting onty of oil/water separators, pumps, ak-slripping, carbon adsorptbn, disinfedton
mid disposal;
S• ,Aquaculture operations with dischwge to surface waters;
7 Water Plant sludge handling and back -wash crater treatment;
Seafood processing conslslsng of screening and dispcaai.
v. Single-larnoy discharging systems, with the exception of Aerobbc Treairnerd Ungs, will be cfassir'wd I permitted aflor July 1,
I or W upon Irnspedkm by the Dmsan, it Is found that the srystem is not being adequefety oWaled or mairdained. Such
systems will be notified of the ciass1 ication or rscUmffication by the Commission, in writing.

The following scale is used for rating wastewater treatment facilities; (circle appropriate points)
REM POINTS
( 1 ) Irdustrlal Pretrealment Units or induslAal Pretreatment Prvgram (sea definhbn No. 33)...................................................4
(2) DESIGN FLOW OF PLANT tN gpd (rot applicable to ror contarninatod cooing waters, sludge handing farllhi for
water purification plants, lota,ly dosed cyda systems(soo doffnKlon No. 11 j and facillik" c onowirg Only of tom
(4)(d) or hams (4)(d) and (11)(d))
0 - 20,000.................. ........._..................................................---...».--•..............._..........................I.....,.1
20.001 - 50.000............. :.......... ... ................................... .................... ._..._....... .... ....... .............. I ... 2
60.001 -100.000.......... »_........... ... ,... ........ ...................................... .._............_............ ........................
100,001 - 250.000....... ....... ........... .............................................. ........... _....... ................................... A
250,001 500.000..... ............ ........ ...................................... ..... ....... ....-.._............-....»...................... b
600,001 - 1,000.000....... ...............................................................». `..� _ ... ................... 5
1,000,001 - 2,000,000......................................... .....10
2,000.001 (and up) rate 1 point addkkwW for each 200,D00 gpd capacity up to a maximum of ........ -„ 30
Design Flaw (fled)
(3) PRELIMINARY
LJNMS/PRO)CESSES (soo delinkion No.32)
(a)
Barsasers....... ......................................... ...-....................................... .._.................... .............. ....... .....1
or
(b)
Modtank4l $croons. Static Screens or Comminuting Daviass.......................... _._-_._._...._._..._.._.....,.2
(c)
Grit Removal.........................................................................................................................................I
or
(d)
koloc wicef or Aerated Grit Fiernoval.............................................................................................................2
(0)
Fbw MajourkV DeviDe ...................... --.................................... ............................ _._........ ........................ 1
Or
(1)
kwtrumer>isd Flow Measummont.... ............. ........................................... ......... ............. I— .............. I ...... .....2
(9)
Prsasratlon................ ... ............................................ ............................................................... 2
(h)
Jnf,uert Flow Equaltritbn...... .......... ......................... .......................... ,................................................... 2
(1)
Grease or Oil Separators - Gravity .......... ..__..._..... _..__.... ...».__ ..--•--..._...�......2
MocharkAl........ ._.............. _.......................... ____ ..-...................... ...-......._........_._..............3
Dissolved Air Fldat........ .... ............................ _... ............................................ A
((}
Prochbrkvtbn......... ............. ........ ....... ......................... ..................... ......... .....................................
(4) PFO MRY
TREATM E?-Tr UNITSPPOC ESSES
(a)
Septic Tank (sea dofinftbn 140. _............ .............. _........... ....... 2
(b)
Imhoff Tank ..... ». _ ..»... _» .. -- �--._�.�._..._»... _ .� -- --- _._....................... 5
(c)
Primary Clarflers..............•.........__— .............................................................................................. 6
jd)
Settling Porxia or Settling Tanias for Inorganic Non -toxic Malertals (sludge handling facWties for water
purfication plants, sand, gravel, Worse, and other mining "rations except reasatiorW activhtes wch as gom
or gold mining). ».... »....................................».............................. ......................... 2
(5) SECTARY
TAEATNENT LNTSIPRDCEiSFS
(a)
Carbonaceous Stage
(I) Aeratlor Hph Purtty Oxygen
DlfusadAir System .......... .......................... ............... .............._...-.............. ............. 10
Mechanical Air System Vtxad• 8oa11ng or
Saparale Sludge
(n) Teo** g Filter
HighRate. ........ ».. _. ._.»...T......_...____ .......................................7
Standard Rata.. _ ... _ ....._. _... _ ».. _ _ _ _ ... B
PackedTower .............. ............ ................ ................. ,_..... ......... ...... ....................... 5
(lif) Blobgtcal Aerated Fitter or Aerated Blo o kal FMor 0
(lv) Aerated Lagaans..... ...._.»»...». ...._ »_.- ..».- » »...»....... .. .........10
(v) Rotating Biobgicsl Cordaclom..... ........ _ . ... _ .. ». ...- .»..........._.....__.....1 0
(vl) Sand Filters-irtamidtlent biotoglral....» _ _ . 2
Recirculating bioioglcal. ..... _ .........
} Stabll!=Ion Lagoons...._.
(VIR) Closer ..... ».............
(lx) SkVis stage system for oon* rood carbonaceous removal of SOD and nkrogenous rsrnoval by
r"rcatfon (seo definition No. 12XPoirds for fts Item hays tope In addition to home
(5)(1)(1) through (5)(a)(v1il),
uthtring the extended aeration process (soo do(4•Jtion No-U)
utlizing olhor than the extended asradon
(x) Nutrient addr,iorts to enhance BOD
fit RJobgical CAure (Super
(b)
Nhrogerwws Stage
(1) Aeration - High Purity Oxygen
Diffused Air System.._... »».._ _, »» . .».»..1 0
Mechanics] Air System (itxad, floating or rotor)_ _
Sepamto Sludge
(11) Trlcklkg FYfter-Ifgh Rate....—.
Standard
Packed
09) BJaktglcal Aerated Filter or Aarstod Biological Flkor. _ _ W _ _..10
(Iv) Rotadng Biological Contactors ... »... »
(v) Sartd Filter - hlermktent
Recirculating
(a) TERTJARYORADVANCE)TFlFATMENT RRCCZBSES
(a)
Activated Carbon Bads -
without carbon
wdlh carbon
(b)
Powdered or Graralar Activated Carbon Food -
wtthwAcarbon rsgenerattan.,__,,.__..._..»..._......-.. �_. �.... ....._ _ . s
with carbon
(r)
Air tsirippirg»..._—�_,..........._.�_�_.�.........__...r....._�._....».`._..... ..............._....^...�....a
(d )
(0)
E,ectrodha"Is . _
(1)
Foam Separation........... —......._...._..... �
(g }
ion
(h)
Land Appieslion of Treated Effluent (see donnidw No. 22b) (not applicable for sard, gravel, erxte
and other slmUr min@tg operations) by high rate kiifb'atlon.»_ —
())
Phosphorous Rarnovat by 03olcg6cal Pracvsaes (Soo def ntbn No. 215)...... _»��10
(k)
Polishkp Ponds - wthout ■&rat for,._. �— __ _»»,_ — _ .._. --. »2
with