HomeMy WebLinkAboutNC0023086_Authorization to Construct_20180412 NZ
ROY COOPER
Gni(000/
MICHAEL S REGAN
sc, e;ci,i
LINDA CULPEPPER
Water Resources 6uc,mi Diff e(to,
ENVIRONMENTAL QUALITY
April 12, 2018
Ms. Zelerie Rogers
Town Administrator
P.O. Box 128
Fontana Dam, North Carolina 28733
SUBJECT: Authorization to Construct
A to C No. 023086A01
Town of Fontana Dam
Fontana Dam WWTP
NPDES Permit No.NC0023086
Dear Ms. Rogers:
A letter of request for an Authorization to Construct was received December 29 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 0.3 MGD Fontana Dam Wastewater Treatment Plant,
with discharge of treated wastewater into the Little Tennessee River in the Little Tennessee 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 four (4) sludge withdrawal pumps with four (4) new 100
GPM 2 HP non-clog submersible pumps, piping and controls; replacement of an
existing scum withdrawal pump with one (1) new 100 GPM 2 HP non-clog
submersible pump,piping and controls;replacement of existing two(2)supernatant
/digester overflow pumps with two (2)new 136 GPM 2 HP non-clog submersible
pumps,piping and control;replacement of existing chlorine gas disinfection system
with liquid chlorination-dechlorination system which includes addition of one (1)
sodium hypochlorite feed system with two (2) 1.95 GPH 0.33 HP positive
displacement pumps, two (2) 55 gallon sodium hypochlorite tanks, piping and
controls, one (1) sodium bisulfate feed system with two (2) 1.98 GPHO 0.33 HP
positive displacement feed pumps,two(1) 55 gallon sodium bisulfate tanks, piping
and controls; installation of one(1) 150 kW backup power generator; in conformity
with the project plans, specifications, and other supporting documentation
comprising the ATC Permit Application package submitted to the Department of
Environmental Quality.
State of North Carolina I Environmental Quality I Water Resources
512 N Salisbury Street 11617 Mail service Center 1 Raleigh,North Carolina 27699-1617
Phone 919 807 6300
Ms.Zelerie Rogers,Town Administrator
April 12, 2018
Page 2 of 3
In addition to the appropriate construction items approved in this Authorization to
Construct, all other items stated in the application were deemed as maintenance events and require
no approval.
This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0023086 issued effective November 1, 2017, and shall be subject to revocation unless the
wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0023086.
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.
Ms. Zelerie Rogers,Town Administrator
April 12, 2018
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 Bing Bai at
telephone number (919) 807-6389.
Sincerely,
Winda Culpepp
Interim Director, Division of Water Resources
With Engineer's Certificate attached:
cc: DWR Asheville Regional Office, Water Quality Programs
Central Files
ecopy: Mr. Kyle M. Seaman, P.E.
McGill Associates, P.A.
Email: kyle.seaman@mcgillengineers.com
NPDES File
Without Engineer's Certificate attached:
cc: Graham County Health
DWI/Matthew Rushing &Ken Pohlig
Town of Fontana Dam
Fontana Dam WWTP
Authorization to Construct No. 023086A01
Issued April 12, 2018
NPDES Permit No. NC0023086
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 Fontana Dam Wastewater
Treatment Plant, located in Graham 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 four(4) sludge withdrawal pumps with four (4) new 100
GPM 2 HP non-clog submersible pumps, piping and controls; replacement of an
existing scum withdrawal pump with one (1) new 100 GPM 2 HP non-clog
submersible pump, piping and controls; replacement of existing two (2)
supernatant/digester overflow pumps with two (2)new 136 GPM 2 HP non-clog
submersible pumps, piping and control; replacement of existing chlorine gas
disinfection system with liquid chlorination-dechlorination system which
includes addition of one (1) sodium hypochlorite feed system with two (2) 1.95
GPH 0.33 HP positive displacement pumps, two (2) 55 gallon sodium
hypochlorite tanks, piping and controls, one (1) sodium bisulfate feed system
with two (2) 1.98 GPHO 0.33 HP positive displacement feed pumps, two (1) 55
gallon sodium bisulfate tanks, piping and controls; installation of one (1) 150 kW
backup power generator; 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
1
Mail this Certification to: Attn: Bing Bai SEAL
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617