NC0084573_Authorization to Construct_20140807

t-A?DFn Fi t c
N(,),) g�Ps-+-=
Lincoln County Public Works
Lincoln County WTP
A To C No. 084573AOI
Issued August 3, 2012
Engineer's Certification
RIEc �Nj
NUG 11 ZOl4
$S1S svduTe rr.. Sedw
I, ��- elf fr kQ_ �� ,lby � as a duly registered rofessional Engineer in
the State of North Carolina, having been authorized to obsery eriodicall eekly/full time)
the construction of the modifications and improvements to the Lincoln County WTP, located on
Tree Farm Road in Lincoln County, for Lincoln County, hereby state that, to the best of my
abilities, due care and diligence was used in the observation of the following construction:
Modifications to the sludge handling facilities to include, conversion of two (2)
existing sludge clarifiers to 100,000 GPM sludge thickeners; construction of a
new sludge handling building; installation of a sludge dewatering system to
include: one (1) 20 GPM progressive cavity pump, 30 GPH liquid polymer feed
system, one (1) 8 GPM screw press, four (4) shafted screw conveyers, a truck
sludge loading bay; installation of a dechlorination system utilizing sodium
bisulfate/sodium thiosulfate , associated electrical and controls work, sitework,
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 complianc and ' ten f the approved plans and specifications.
Signature Registration No.
gas CA+�
N ..
Date Z () - 'F _SS/0"
r
_. Q.
Mail this Certification to: Attn: Anita E. Reed, P.E.
Infrastructure Finance Section
DENR/DWQ •� H�cF ...... 00��:
1633 Mail Service Center
Raleigh, NC 27699-1633'

1F-K T
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E. Dee Freeman
Governor Director Secretary
August 3, 2012
Mr. George Wood, County Manager
Lincoln County Public Works
115 West Main St
Lincolnton, North Carolina 28092
15@Lt!
AUG Q 8 2012
DENR-1rt� i : iAi.
POINT SOURCE 13;"; •,�„h I
SUBJECT: Authorization to Construct
A to C No. 084573A01
Lincoln County Public Works
Lincoln County WTP
Lincoln County
Dear Mr. Wood:
A letter of request for an Authorization to Construct was received June 11, 2012, by the
Division of Water Quality (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 modifications to the existing Lincoln County WTP, with discharge of treated
wastewater into Lake Norman (Little Creek Arm) in the Catawba River Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
Modifications to the sludge handling facilities to include, conversion of two (2)
existing sludge clarifiers to 100,000 GPM sludge thickeners; construction of a
new sludge handling building; installation of a sludge dewatering system to
include: one (1) 20 GPM progressive cavity pump, 30 GPH liquid polymer feed
system, one (1) 8 GPM screw press, four (4) shafted screw conveyers, a truck
sludge loading bay; installation of a dechlorination system utilizing sodium
bisulfate/sodium thiosulfate , associated electrical and controls work, sitework,
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. NCO084573 issued March 12, 2010, and shall be subject to revocation unless
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] ! FAX: [phone]
Internet: www.ncwaterauality.org
An Equal Opportunity 1 Affirmative Action Employer
Onc
NorthCaroliva
NaAmally

Mr. George Wood, County Manager
August 3, 2012
Page 2
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0084573.
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 Division.
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 the 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: Infrastructure Finance Section,
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.
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.

Mr. George Wood, County Manager
August 3, 2012
Page 3
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 Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits 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 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,
&eK
Charles Wakild, P.E.
AR:sr
cc: J. Wheeler Crook, P.E. — Goodwin, Mills & Cawood, Inc., 2660 East Chase Ln., Suite 200,
Montgomery, AL 36117
Lincoln County Health Department
DWQ Mooresville Regional Office, Surface Water Protection
DWQ, Point Source Branch, NPDES Program
Anita E. Reed, P.E.
ATC File