NC0088722_Authorization to Construct_20100909

NPDES DOCUHENT !;CANNIN`: COVER SHEET
NPDES
Permit:
NC0088722
Killian Creek WWTP
Document Type:
Permit Issuance
/'Authorization
',
Wasteload Allocation
to Construct
(AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document
Date:
September 9, 2010
This document is printed on reuse paper - ignore any
content on the reizerse side

Lincoln County
A To C lio. 088722A01
Issued D cember 10, 2008
Engineer's Certification
1, cur-tes cr-d,ze-b
11
N , .r1T.A
QICV6, as a duly registered Professional Engineer`.ui� ' —
the State df North Carolina, having been authorized to observe (periodically/weekly/full time)
co Nip'on t mo. ifications and improvements to the Killian Creek WWTP, located at
3-5onnt i Lrtt c-- ram}
yp ,Stanley for Lincoln County, hereby state that, to the best of my
abilities, die care and diligence was used in the observation of the following construction:
The 1.68 MGD Killian Creek Wastewater Treatment Plant consisting of: a headworks
stricture including a cylindrical (mechanical) bar screen rated at 8.4 mgd peak flow, manual
by -lass bar screen, vortex grit removal system rated at 8.4 mgd with grit classifier; dual
segUencing batch reactors (SBR), each reactor sized at . 1 MG with 75 Hp floating mixer,
decanter, and fine -bubble diffusers; three(3)825 scfm 4 �II blowers;
p o ers, a 0.457 MG post
equalization tank with three (3) 1,450 gpm, 7.5 Hp pumps; dual effluent disk filters, each
rated at 1.68 mgd; dual bank effluent ultraviolet disinfection system, with each bank rated at
4.2 mgd peak flow; effluent flowmeter and composite sampling station; effluent cascade re-
aera ion system; a 5,000 gallon caustic storage tank with feed system; a 0.481 MG aerobic
dige ter (Digester No. 1) with decanter, a 25 Hp floating mixer and coarse bubble diffusers; a
0.62I MG aerobic digester (Digester No. 2) with decanter, a 40 Hp floating mixer and coarse
bubble diffusers; a 0.267 MG sludge holding tank with decanter and dual 7.5 Hp floating
mixers; dual 756 scfm, 100 Hp blowers and one 544 scfm, 50 Hp blower; sludge dewatering
system, including dual 120 gpm, 7.5 Hp positive displacement rotary lobe pumps, a rotary
sludge press rated at 600 dry pounds/hour with polymer feed system, and a sludge conveyer
system with truck loading station; plant drain pump station with dual 2,000 gpm, 35 Hp
pumps; a 4,390 ft2 Office and Laboratory building; a 4,210 ft2 maintenance building; 1,500
kW backup emergency generator with automatic transfer switch; plant SCADA system; and
associated site work, electrical work, and yard piping, in conformity with the project
plans specifications, and other supporting data subsequently filed and approved by the
Department of Environment and Natural Resources.
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.
We understand that the limits associated with the new 1.68 MGD Killian Creek WWTP now
apply.
Signatur
Date
Send to:
Zo10
Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
gistration No. SEC Z_
. cARtp„

wAr ,,, I ��7'C .e/m t �
QG
Mr. Stephen A. Gilbert, P.E., P.L.S.
Public Works Director
Lincoln County
115 West Main Street
Lincolnton, N•rth Carolina 28092
Dear Mr. Gilb-rt:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
December 10
RE E D
SUBJECT:
DEC 1 5 2008
DENR - WATER QUALITY
IDelitigtiSCOIRCEnBiRANCH
A to C No. 088722A01
Lincoln County
Killian Creek Wastewater Treatment Plant
Project No. CS370825-01
A lette of request for an Authorization to Construct was received March 4, 2008, by the
Division, and final plans and specifications for the subject project have been reviewed and found
to be satisfactory. Authorization is hereby granted for the construction of the 1.68 MGD
Wastewater Treatment Plant, with discharge of treated wastewater into the Killian Creek in the
Catawba River IBasin.
This authorization results in the design and permitted capacity of 1.68 MGD, and is
awarded for th l following construction:
The 1.6 MGD Killian Creek Wastewater Treatment Plant consisting of: a headworks
structure including a cylindrical (mechanical) bar screen rated at 8.4 mgd peak flow,
manual by-pass bar screen, vortex grit removal system rated at 8.4 mgd with grit
classifier; dual sequencing batch reactors (SBR), each reactor sized at 1.814 MG with 75
Hp floating mixer, decanter, and fine -bubble diffusers; three (3) 825 scfm, 125 Hp
blowers; a 0.457 MG post equalization tank with three (3) 1,450 gpm, 7.5 Hp pumps;
dual effluent disk filters, each rated at 1.68 mgd; dual bank effluent ultraviolet
disinfection system, with each bank rated at 4.2 mgd peak flow; effluent flowmeter and
composite sampling station; effluent cascade re -aeration system; a 5,000 gallon caustic
storage tank with feed system; a 0.481 MG aerobic digester (Digester No. 1) with
decanter, a 25 Hp floating mixer and coarse bubble diffusers; a 0.626 MG aerobic
digester (Digester No. 2) with decanter, a 40 Hp floating mixer and coarse bubble
diffusers; a 0.267 MG sludge holding tank with decanter and dual 7.5 Hp floating mixers;
dual 756 scfm, 100 Hp blowers and one 544 scfm, 50 Hp blower; sludge dewatering
system, i icluding dual 120 gpm, 7.5 Hp positive displacement rotary lobe pumps, a
rotary sludge press rated at 600 dry pounds/hour with polymer feed system, and a sludge
conveyer system with truck loading station; plant drain pump station with dual 2,000
gpm, 35 -ip pumps; a 4,390 ft2 Office and Laboratory building; a 4,210 ft2 maintenance
One
No hCarolina
/aturaff/f
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: www.ncwaterquatdv.orq 512 N. Salisbury St.
Raleigh. NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper

Mr. Stephen A. Gilbert, P.E., P.L.S.
December 10, 2008
Page 2
building; 1,500 kW backup emergency generator with automatic transfer switch; plant
SCADA system; and associated site work, electrical work, and yard piping, in conformity
with the project plans, specifications, and other supporting data subsequently filed and
approved by the Department of Environment and Natural Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0088722 issued April 22, 2008, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0088722.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the North Carolina Division of Water Quality.
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 as may
be required by this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
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 on site
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.
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, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Construction Grants & Loans,
DWQ/DENR, 1633 Mail Service Center, Raleigh, NC 27699-1633.
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 T15A:8G.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, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.

Mr. Stephen A. Gilbert, P.E., P.L.S.
December 10, 2008
Page 3
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and when applicable, the North
Carolina Dan Safety Act. In addition, the specifications must clearly state what the contractor's
responsibiliti4s shall be in complying with these Acts.
Prior entering into any contract(s) for construction, the recipient must have obtained all
applicable pe mits from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality in accordance
with North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct 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.
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Seth Robertson, P.E. at telephone
number [phone].
Sincerely,
/Scc--ki;-C.1
Coleen H. Sullins
kp:sr
cc: Charles R. Froneberger, P.E. — W.K. Dickson Co. Inc., Charlotte
Lincoln County Health Department
DWQ ooresville Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Daniel Blaisdell, P.E.
Seth Robertson, P.E.
Ken Po1ilig, P.E.
SRF File