NC0025453_authorization to construct_20031201

THE ENGINEER'S CERTIFICATION
WOOTEN
COMPANY TO: N.C. Department of Environment and Natural Resources
Division of Water Quality
NPDES Unit
ENGINEERING 1617 Mail Service Center
PLANNING Raleigh, North Carolina 27699-1617
ARCHITECTURE FROM: The Wooten Company
120 N. Boylan Avenue
Raleigh, North Carolina 27603
DATE: December 1, 2003
RE: Installation of Grit Dewatering Screw Classifier
Little Creek Water Reclamation Facility
1000 Durham Street
Clayton, North Carolina 27520-0879
Johnston County
TWC 2756-0
ATC Project No.: 025463AOI
NPDES Permit No.: NCO025453
Dated: February 24, 2003
I, Charles W. Davis, as a duly registered Professional Engineer in the State
of North Carolina, having been authorized to provide periodic construction
administration and observation for the installation of a grit dewatering
screw classifier at the Little Creek Water Reclamation Facility, Town of
Clayton, Johnston County for the Permittee hereby state that, to the best of
my abilities, this project was observed by me with due care and diligence
and that the construction was completed in substantial conformance with
the Authorization to Construct and with the approved plans and
specifications.
Signature:
Registration o.: 22531
Date: 0.3
120 North Boylan Avenue
Raleigh NC 27603-1423
919.828.0531
fax [phone]

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October 4, 2004Cn'IT 1 3 2004
The Honorable Jody L. McLeod,Mayor I L `1
} DENR -WATER QUALITY
i POINT SOURCE BRANCH
Town of Clayton
Post Office Box 879
Clayton,North Carolina 27520-0879 ""°°
SUBJECT: Authorization to Construct
A to C No. 02543AO i
Town of Clayton
Little Creek WWTP
Johnston County
Project No. CS3 7043 1-04
Dear Mayor McLeod:
A letter of request for Authorization to Construct was received on December 29, 2003, by
the 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 1.9 MGD Wastewater Treatment Plant, with discharge of treated wastewater into the
Neuse River in the Neuse River Basin.
This authorization results in an increase in design and permitted capacity to 2.5 MGD,
and is awarded for the construction of the following specific modifications:
A new 214,500 gallon anaerobic basin; one new 300,000 gallon anoxic tank, one
new 200,000 gallon anoxic tank; modifications to the existing aeration basins; a
new 360,000 gallon sludge holding/digestion tank with two blowers each having
1100 SCFM of aeration capacity, and two10 HP submersible mixers,
instrumentation, site work,piping, electrical work, and associated appurtenances,
pursuant to the letter of request received on December 29, 2003, and in
conformity with the project plan, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A. of
NPDES Permit No. NCO025453 issued March 11, 2004, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0025453.
NOne Carolina
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North Carolina Division of Water Quality 1617 Mail Service Center Raleigh,NC 27699-1617 Phone[phone] Customer Service
Internet: h2o.enr.state.nc.us 512 N.Salisbury St. Raleigh,NC 27604 FAX [phone] 1-877-623-6748
An Equal Opportunity/Affirmative Action Employer—50%Recycled/10%Post Consumer Paper

The Honorable Jody L. McLeod, Mayor
October 4, 2004
Page 2
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 North Carolina Division of Water Quality.
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 this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Raleigh Regional Office, telephone number(919) 571-4700, 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 Cecil G. Madden, Jr., P.E.,
Construction Grants & Loans, DWQ/DENR, 1633 Mail Service Center, Raleigh,NC 27699-
1633.
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 T 15A: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 T 15A: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.

The Honorable Jody L. McLeod, Mayor
October 4, 2004
Page 3
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality in accordance
with North Carolina General Statute 143-215.6A to 143-215.6C.
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.
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information,please contact Cecil G. Madden, Jr., P.E. at
telephone number [phone].
Sincere
Alan W. Klimek, P.E.
ICD:cgm
cc: The Wooten Company, Shankar R. Mistry, Ph.D., P.E.
Johnston County Health Department
Raleigh Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Daniel Blaisdell, P.E.
Point Source Branch, NPDES Program
Cecil G. Madden, Jr., P.E.
Ishwar Devkota, P.E.
Project No. CS370431-04