NC0025984_Authorization to Construct_20190422

ROY COOPER 4 --
Governor .` ,°.,;., 1
MICHAEL S.REGAN ...=y 1
Secretary `''°� ""�'"
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
April 22, 2019
Mr. John Condrey
Town Manager
Town of Forest City
128 North Powell Street
Forest City,North Carolina 28043
SUBJECT: Authorization to Construct
A to C No. 025984A01
Town of Forest City
Forest City WWTP
NPDES Permit No.NC0025984
Dear Mr. Condrey:
A letter of request for an Authorization to Construct was received on April 11, 2019, 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 4.95 MGD Forest City WWTP, with discharge of
treated wastewater into the Second Broad River in the Broad 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 gravity belt thickener and polymer feed system with new
rotary drum thickener rated for 1,000 dry lbs per hour and two (2) new 2.5 GPH
peristaltic polymer feed pumps with VFDs; demolition of existing aerobic aerator
in digester #1; relocation of existing 40 HP submersible aeration mixer from
digester#2 to digester#1; installation of one (1) new 75 HP submersible aeration
mixer in digester #2; installation of one (1) new 250 GPM 10 HP centrifugal
submersible residual pump in digester #1 with VFD; replacement of existing
digester blowers with two (2) new positive displacement blowers (one 60 HP
blower capable of providing maximum air flow of 1,000 SCFM and one 100 HP
blower capable of providing maximum air flow of 1,200 SCFM); installation of all
required piping and control; in conformity with the project plans, specifications,
and other supporting 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.
NC0025984 issued effective April 1,2016,and shall be subject to revocation unless the wastewater
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Mr.John Condrey,Town Manager
April 22, 2019
Page 2 of 3
treatment facilities are constructed in accordance with the conditions and limitations specified in
Permit No.NC0025984.
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.
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.

Mr.John Condrey,Town Manager
April 22, 2019
Page 3 of 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.
The issuance of this ATC does not preclude the Permittee from complying with any and
all statutes,rules,regulations, or ordinances which maybe 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) 707-3610.
Sincerely,
og74,-- Re,
Linda Culpepper
Director, Division of Water Resources
With Engineer's Certificate attached:
cc: DWR Asheville Regional Office, Water Quality Programs
Central Files
ecopy: Manjiang Chen, Ph.D., P.E.
McGill Associates, P.A.
Email: [e-mail]
NPDES File
Without Engineer's Certificate attached:
cc: Rutherford County Health

Town of Forest City
Forest City WWTP
Authorization to Construct No. 025984A01
Issued April 22,2019
NPDES Permit No.NC0025984
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 Forest City Wastewater Treatment
Plant, located in Rugherford County,hereby state that,to the best drily abilities, due care and
diligence was used in the observation of the following construction:
Replacement of existing gravity belt thickener and polymer feed system with new
rotary drum thickener rated for 1,000 dry lbs per hour and two (2)new 2.5 GPH
peristaltic polymer feed pumps with VFDs; demolition of existing aerobic aerator
in digester#1; relocation of existing 40 HP submersible aeration mixer from
digester#2 to digester#1; installation of one(1)new 75 HP submersible aeration
mixer in digester#2; installation of one (1)new 250 GPM 10 HP centrifugal
submersible residual pump in digester#1 with VFD;replacement of existing
digester blowers with two (2) new positive displacement blowers (one 60 HP
blower capable of providing maximum air flow of 1,000 SCFM and one 100 HP
blower capable of providing maximum air flow of 1,200 SCFM); installation of
all required piping and control; 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: Bing Bai SEAL
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617 \