NC0079821_Authorization to Construct_20080623

1�
r �
Y
June 23, 2008
Mr. David K. Saunders
Winston-Salem/Forsyth County Utility Commission
101 North Main Street, Suite 357
Winston-Salem, North Carolina 27101
Dear Mr. Saunders:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
SUBJECT: Authorization to Construct
A to C No. 079821 A02
Winston-Salem/Forsyth County Utility
Commission
R.A. Thomas WTP
Forsyth County
A letter of request for Authorization to Construct was received February 15, 2008, 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 Water Treatment Plant, with discharge of treated wastewater into Salem Creek in the
Yadkin -Pee Dee 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 545,285 gallon flow equalization basin, four (4) 10 Hp, 730 gpm
equalization basin pumps, a 75 ft diameter clarifier, three (3) 10 Hp, 250 gpm
pumps to be installed in the existing residuals pumping station, a ten (10) ft
diameter metering manhole, expansion of the two (2) existing residuals storage
lagoons to a total of 2.08 million gallons and a new reinforced concrete and clay
liner, in conformity with the project plans, 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. NCOO79821 issued July 14, 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. NCOO79821.
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.
N!ON arolina
dl alurn!/�
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
InterneC w v.nmatemURW.oro 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer— 500/6 Flecycledll 0% Post Consumer Paper

Mr. David K. Saunders
June 23, 2008
Page 2
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 Winston-Salem Regional Office, telephone number [phone], 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: 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 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 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.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits from the State.

Mr. David K. Saunders
June 23, 2008
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 Ken Pohlig, P.E. at telephone
number [phone].
Sincerely,
Coleen H. Sullins
MM:kp
cc: Kris Pennewell, P.E. — Black & Veatch, Charlotte
Forsyth County Health Department
DWQ Winston-Salem Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Point Source Branch, NPDES Program
Daniel Blaisdell, P.E.
Ken Pohlig, P.E.
Michelle McKay, E.I.
ATC File

Winston-Salem/Forsyth County Utility Commission
A to C No. 079821 AO 1
Issued January 23, 2006
Engineer's Certification
I, Ps N � ew,5 t-►- , as a duly registere Professional Engineer in
the State of North Carolina, having been authorized to observe (periodical) week4yf€tle•)
the construction of the modifications and improvements to the R.A. Thomas Water Treatment
Plant, located on Martin Luther King Jr. Drive in Forsyth County for the Winston-Salem/Forsyth
County Utility Commission, hereby state that, to the best of my abilities, due care and diligence
was used in the observation of the following construction:
Sodium bisullite storage and chemical feed system, with schedule 80 PVC
chemical feed piping to provide dechlorination, pursuant to the fast track
application received on January 19, 2006, and in conformity with the Minimum
Design Criteria for Dechlorination Facilities.
I certify that the construction of the above referenced project was observed to be built
within substantial compliance and intent of the approved plans and specifications.
Signature Registration No
Date os a3 ZaoLO
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
FE CL•NED
,,•,;1111lii;�r
•; :� .Rod'%,-
�y • � � SEAS.
029397
4-
PEN
'S131b�
i