NC0026573_Authorization to Construct_20170411

ROY COOPER
Goren rror
MICHAEL S. REGAN
s� r=gat,
S. JAY ZIMMERMAN
Water Resources �rteara,
ENVIRONMENTAL QUALITY
April 11, 2017
Mr. Brad Boris
Water Resources Director
City of Morganton
305 E. Union Street, Suite A100
Morganton, North Carolina 28655
SUBJECT: Authorization to Construct
A to C No. 026573A04
City of Morganton
Catawba River Pollution Control Facility
Dear Mr. Boris:
A letter of request for an Authorization to Construct was received February 20, 2017, by
the Division of Water Resources (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 8.0 MGD Catawba River Pollution Control Facility,
with discharge of treated wastewater into the Catawba River 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:
Repurpose existing 1.36 MG aeration basin and add four(4) 75 HP floating aerators with
an option to add a submerged zone air diffuser system,piping, and controls;repurpose 1.2
MG reactor basin to EQ basin, piping, and controls; install two (2) 1.36 MG aeration
basins with submerged zone diffuser system,piping,and controls;install three(3)blowers
with VFD that the minimum combined flow of any two blowers is equal to 7,681 SCFM
at 9.5 psi and the third blower equal in capacity to the larger blower,piping, and controls;
install one (1) splitter one to control flow to the aeration basins, piping, and controls;
install one (1) splitter box to control flow to clarifiers, piping, and controls; upgrade the
WAS/RAS pump systems consisting of two new (2) non-clog RAS 3,128 GPM at 33 ft
TDH pumps with VFD, two new (2) non-clog RAS 2,606 GPM at 23 ft TDH with VFD,
two new(2)non-clog WAS 263 GPM at 32 ft TDH pumps with VFD,piping,and controls;
install new sodium bisulfite storage and chemical feed system consisting of one(1) 8,500
gallon closed top tank (sodium bisulfite solution) with containment area and sump, truck
unloading station, three (3) remote control maximum 150 GPH 30 psi chemical feed
pumps,injection vault,piping,and controls;optional addition of new sodium hypochlorite
storage and chemical feed system consisting of two (2) 12,150 gallon closed top tanks
(sodium hypochlorite solution) with containment, truck unloading station, three (3)
remote control maximum 150 GPH 30 psi chemical feed pumps, injection vault, piping,
and controls; in conformity with the project plans, specifications, and other supporting
State of North Carolina Environmental Quality Water Resources
:512 N.Salisbury Street 11612 Mail service Center Raleigh,North Carolina 27699-1612
Phone:[phone]

Mr.Brad Boris,Water Resources Director
April 11, 2017
Page 2 of 3
documentation 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.
NC0026573 issued effective May 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. NC0026573.
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 Asheville Regional Office, telephone number(828) 296 - 4500, 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.

Mr. Brad Boris,Water Resources Director
April 11, 2017
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 Ron Berry at
telephone number(919) 807-6396.
Sincerely,
f s
S. Jay Timmerman, P.G.
Director, Division of Water Resources
With Engineer's Certificate attached:
cc: DWR Asheville Regional Office, Water Quality Programs
Central Files
ecopy: Robert N. Vinay, P.E.
Freese and Nichols, Inc.
Email: [e-mail]
NPDES File
Without Engineer's Certificate attached:
cc: Burke County Health

City of Morganton
Catawba River Pollution Control Facility
Authorization to Construct No. 026573A04
Issued April 11, 2017
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 Catawba River Pollution Control Facility located in Burke
County,hereby state that,to the best of my abilities, due care and diligence was used in the observation
of the following construction:
Repurpose existing 1.36 MG aeration basin and add four(4)75 HP floating aerators with an option to
add a submerged zone air diffuser system, piping, and controls; repurpose 1.2 MG reactor basin to EQ
basin, piping, and controls; install two (2) 1.36 MG aeration basins with submerged zone diffuser
system, piping, and controls; install three (3)blowers with VFD that the minimum combined flow of
any two blowers is equal to 7,681 SCFM at 9.5 psi and the third blower equal in capacity to the larger
blower, piping, and controls; install one (1) splitter one to control flow to the aeration basins, piping,
and controls; install one (1) splitter box to control flow to clarifiers, piping, and controls; upgrade the
WAS/RAS pump systems consisting of two new (2) non-clog RAS 3,128 GPM at 33 ft TDH pumps
with VFD, two new (2) non-clog RAS 2,606 GPM at 23 ft TDH with VFD, two new (2) non-clog
WAS 263 GPM at 32 ft TDH pumps with VFD, piping, and controls; install new sodium bisulfite
storage and chemical feed system consisting of one (1) 8,500 gallon closed top tank (sodium bisulfite
solution)with containment area and sump, truck unloading station,three (3)remote control maximum
150 GPH 30 psi chemical feed pumps, injection vault, piping, and controls; optional addition of new
sodium hypochlorite storage and chemical feed system consisting of two (2) 12,150 gallon closed top
tanks (sodium hypochlorite solution) with containment, truck unloading station, three (3) remote
control maximum 150 GPH 30 psi chemical feed pumps, injection vault, 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: Ron Berry
Complex PermittingUnit
P
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617