NC0020800_Authorization to Construct_20160912

PAT MCCRORY
;? Governor
` y DONALD R. VAN DER VAART
Secretary
Water Resources S. JAY ZIMMERMAN
ENVIRONMENTAL QUALITY
September 12, 2016 Director
Mr.Ed Burchins,Town Administrator
Town of Andrews
1101 Main Street •
Andrews,North Carolina 28901
SUBJECT: Authorization to Construct
A to C No. 020800A01
Town of Andrews
Andrews WWTP
Dear Mr. Burchins:
A letter of request for an'Authorization to Construct was received July 7, 2016, by the
Division of Water Resources (Division), and fmal 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 1.5 MGD Andrews WWTP,with discharge of treated
wastewater into the Valley River in the Hiwassee River Basin:
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
•
Installation of a new 3.75 MGD mechanical bar screen and replacement of an existing
manual bar screen;rehabilitation of the existing North trickling filter by replacing media and
rehabilitation of distributor rotating mechanism;rehabilitation of the South trickling filter
rotating mechanism;repair of the South secondary clarifier(scraper mechanism,clarifier
drive); installation of a chlorination/dechlorination integrated automatic feedcontroller
system; installation of a new chlorine residual analyzer; and replacement of aerobic digester
aeration system consisting of three(3)725 SCFM blowers, air piping and diffusers; in
conformity with the project plans, specifications, and other supporting data subsequently •
filed and approved by the Department of Environmental Quality.
This Authorization to Construct is issued. in accordance with Part III, Paragraph A of
NPDES Permit No. NC0020800 issued August 1, 2013, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0020800.
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
State of North Carolina I Environmental Quality I Water Resources
1617 Mail service Center I Raleigh,North Carolina 27699-1617
Location:512 N.Salisbury St.Raleigh,North Carolina 27604,Archdale Building 9th Floor
Phone:[phone]/Fax:[phone]

l\ 1
Mr.Ed Burchins,Town Administrator
September 12,2016
Page 2 of 3
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,this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Division of Water Resources, WQ
Permitting Section—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 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.
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.

Q Mr.Ed Burchins,Town Administrator
• September 12,2016
Page 3 of 3
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.
If you have any questions or need additional information, please contact Michelle McKay
at telephone number(919)707-9171.
Sincerely,
/fail-420417
%LS.Jay Zimmerman
Director,Division of Water Resources
cc: Michael J.Waresak,P.E.,McGill Associates,P.A., 55 Broad St.,
Asheville NC 28801
DWR/Asheville Regional Office,Water Quality Programs
Central Files
_ NPDES File
DWI/Gerald Horton,PE
Michelle McKay
Ron Berry

Town of Andrews
Andrews WWTP
Authorization to Construct No. 020800A01
Issued September 12,2016
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 Andrews WWTP Wastewater
Treatment Plant, located in Cherokee County,hereby state that,to the best of my abilities,due care
and diligence was used in the observation of the following construction:
Installation of a new 3.75 MGD mechanical bar screen and replacement of an existing manual bar
screen;rehabilitation of the existing North trickling filter by replacing media and rehabilitation of
distributor rotating mechanism;rehabilitation of the South trickling filter rotating mechanism;
repair of the South secondary clarifier(scraper mechanism, clarifier drive); installation of a
chlorination/dechlorination integrated automatic feed controller system; installation of a new
chlorine residual analyzer; and replacement of aerobic digester aeration system consisting of three
(3)725 SCFM blowers, air piping and diffusers; in conformity with the project plans,
specifications, and other supporting data subsequently filed and approved by 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 SEAL
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617