NC0069311_Authorization to Construct_20201110

DocuSign Envelope ID.6C292A5A-6C2A-45B6-8BEE-051EBO2A9BBE
�0. STATE o
,g I ,
ROY COOPER i'
Governor
2
MICHAEL S.REGAN M.G0*
Secretory w� �w S.DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
November 10, 2020
Mr.Chris Doherty
Public Utilities Director
1630 US 1 Highway
Youngsville,North Carolina 27596
SUBJECT: Authorization to Construct
A to C No. 069311A02
Franklin County
Franklin County WWTP
NPDES Permit No.NC0069311
Dear Mr.Doherty:
A letter of request for an Authorization to Construct was received May 6, 2020, by the
Division of Water Resources(Division). With additional information received on November 10,
2020, 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
3.0 MGD Franklin County WWTP,with discharge of treated wastewater into Cedar Creek in the
Tar-Pamlico River Basin.
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
Replacement of existing Triple A Basin Treatment Unit #2, including construction of a
new concrete structure, 533,000-gallon aerobic zone, 115,000-gallon anoxic zone,
115,000-gallon anaerobic zone, and 533,000-gallon aerated anoxic zone, removal of
existing air lift jump wall and installation of four(4)2100 GMP at 1.05 TDH motive wall
pumps with VFD, one(1)4,224 GPM at 1.5 TDH mixed liquor return wall pump,and six
(6)3 HP submersible mixers with VFD;modification of existing Triple A Basin Treatment
Unit#1, including removal of existing air lift jump wall and installation of four(4) 2100
GMP at 1.05 TDH motive wall pumps with VFD, and installation of six (6) 3 HP
submersible mixers with VFD; construction of new aerobic digester treatment system,
including two(2)366,000-gallon aerobic digesters,one(1)206,000-gallon sludge holding
tank, four (4) 460 GPM at 15 TDH submersible sludge transfer pumps, and two (2) 3HP
submersible mixers with VFD;modification of existing WAS pump station, including two
(2) 340 GPM at 55.5 TDH submersible WAS pumps; and construction of new blower
building including four (4) 1819.3 CFM centrifugal blowers, piping and controls; in
conformity with the project plans, specifications, and other supporting documentation
North Carolina Department of En all Ser ital Quality I Division of Water Resources
512 North Salisbury Street i 1611 Mall Service Center Raleigh,North Carolina 27699 161I
NORTH CA3101 INA
o.w.mt.m a ..i a..an 919.707.9000
I

DocuSign Envelope ID:6C292A5A-6C2A-45B6-6BEE-051EBO2A9BBE
Mr.Chris Doherty,Public Utilities Director
November 10, 2020
Page 2 of 3
comprising the ATC Permit Application package submitted to the Department of
Environmental Quality.
This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0069311 issued effective April 1,2016,and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the conditions and limitations specified in
Permit No.NC0069311.
It is the Owner's responsibility to ensure that the as-constructed project meets the
requirements of all applicable regulations and statutes,the ATC Permit Application package, and
all of the requirements contained herein. Failure to comply may result in penalties in accordance
with North Carolina General Statute §143-215.6A through §143-215.6C.
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 Raleigh Regional Office, telephone number 919-791-4200, 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 and the ATC Permit Application package.
Mail the Certification to: Division of Water Resources, WQ Permitting — NPDES, 1617 Mail
Service Center, Raleigh,NC 27699-1617.
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.
Page 2 of 3

DocuSign Envelope ID:6C292A5A-6C2A-45B6-8BEE-051 EBO2A9BBE
Mr.Chris Doherty,Public Utilities Director
November 10, 2020
Page 3 of 3
A copy of the project 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.
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.
The issuance of this ATC 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.
If you have any questions or need additional information, please contact Min Xiao at
telephone number(919) 707-3644.
Sincerely,
DocuSigned by:
for niel STmith
Director, Division of Water Resources
With Engineer's Certificate attached:
cc: Central Files
NPDES File
ecopy: Adam P. Kiker, P.E.
LKC Engineering, PLLC
Email: [e-mail]
DWR Raleigh Regional Office, Water Quality Programs
Without Engineer's Certificate attached:
cc: Franklin County Health
ecopy: DWI/Trupti Desai
Page 3 of 3

Franklin County
Franklin County WWTP
Authorization to Construct No. 069311A02
Issued November 10,2020
NPDES Permit No.NC0069311
Engineer's Certification
I, ,as a duly registered Professional Engineer in
the State of North Carolina,having been authorized to observe(periodically/weekly/full time)
the construction of the modifications and improvements to the Franklin County Wastewater
Treatment Plant, located in Franklin County,hereby state that,to the best of my abilities, due
care and diligence was used in the observation of the following construction:
Replacement of existing Triple A Basin Treatment Unit#2, including
construction of a new concrete structure, 533,000-gallon aerobic zone, 115,000-
gallon anoxic zone, 115,000-gallon anaerobic zone, and 533,000-gallon aerated
anoxic zone,removal of existing air lift jump wall and installation of four(4)
2100 GMP at 1.05 TDH motive wall pumps with VFD, one(1)4,224 GPM at 1.5
TDH mixed liquor return wall pump, and six(6)3 HP submersible mixers with
VFD;modification of existing Triple A Basin Treatment Unit#1, including
removal of existing air lift jump wall and installation of four(4)2100 GMP at
1.05 TDH motive wall pumps with VFD, and installation of six(6)3 HP
submersible mixers with VFD;construction of new aerobic digester treatment
system, including two(2) 366,000-gallon aerobic digesters,one(1)206,000-
gallon sludge holding tank, four(4)460 GPM at 15 TDH submersible sludge
transfer pumps,and two(2)3HP submersible mixers with VFD;modification of
existing WAS pump station, including two(2) 340 GPM at 55.5 TDH
submersible WAS pumps; and construction of new blower building including four
(4) 1819.3 CFM centrifugal blowers, piping and controls; in conformity with the
project plans, specifications,and other supporting documentation comprising the
ATC Permit Application package submitted to the Department of Environmental
Quality.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance, intent and in conformity with all applicable regulations and statutes and
the project plans, specifications, and other supporting documentation comprising the
Authorization to Construct Permit Application package.
Signature Registration No.
Date
Mail this Certification to: Attn: Min Xiao SEAL
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617