NC0025071_Authorization to Construct_20090206

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
February 6, 2009
Mr. Stephen B. Corcoran
City of Eden
308 East Stadium Drive
Eden, North Carolina 27288
SUBJECT: Authorization to Construct
A to C No. 025071A03
City of Eden
Mebane Bridge WWTP
Biosolids Dewatering Facility — Phase 2
Process, Plumbing, Mechanical, and Electrical Package
Rockingham County
Dear Mr. Corcoran:
A letter of request for an Authorization to Construct was received November 17, 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 Phase 2 (Process, Plumbing,
Mechanical & Electrical) construction of the Biosolids Dewatering Facility at the existing 13.5
MGD Wastewater Treatment Plant, with discharge of treated wastewater into the Dan River in
the Roanoke Basin. With the completion of Phase 1 (Site Work and Foundation Package, A to C
No. 025071A02) and the Phase 2 Biosolids Dewatering Facility construction projects, the
Biosolids Dewatering Facility will be operational.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
A biosolids dewatering facility consisting of a 50,000 gallon bolted -steel sludge storage
tank; a 28-foot by 46-foot dewatering building which houses a 350 gpm sludge feed
pump, a 2 meter sludge belt filter press rated at 2,000 pounds/hour, polymer feed system,
and washwater pump; sludge conveyer; a 14,800 ft2 dewatering sludge storage shelter;
associated site work and yard piping, 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. NCO025071 issued December 23, 2008, and shall be subject to revocation
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 One
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 NorthCarolina
Phone: [phone] FAX: [phone] Customer Service:1-877-623-6748
Internet: vrww.ncwaterquality.org A�atulvllff
An Equalopportunity 1 Affirmative Action Employer

Mr. Stephen B. Corcoran
February 6, 2009
Page 2
unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0025701.
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 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

Mr. Stephen B. Corcoran
February 6, 2009
Page 3
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 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 Seth Robertson, P.E. at telephone
number [phone].
Sincerely,
Coleen H. Sullins
kp:sr
cc: C.V. Brooks, IV, P.E. — Highfill Infrastructure Engineering, P.C., 3804 Park Avenue,
Unit A, Wilmington, NC 28403
Rockingham County Health Department
DWQ, Winston-Salem Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Daniel Blaisdell, P.E.
Ken Pohlig, P.E.
Seth Robertson, P.E.
ATC File

City of Eden
Mebane Bridge Road WWTP
Biosolids Dewatering Facility
Phase 2 — Process, Plumbing, Mechanical and Electrical Package
A To C No. 025071 A03
Issued February 6, 2009
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 Phase 2, Biosolids Dewatering Facility (Process, Plumbing, Mechanical,
and Electrical Package) at the Mebane Bridge Road WWTP, located at 204 Mebane Bridge
Road, south of Eden in Rockingham County for the City of Eden, hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the following construction:
A biosolids dewatering facility consisting of a 50,000 gallon bolted -steel sludge
storage tank; a 28-foot by 46-foot dewatering building which houses a 350 gpm
sludge feed pump, a 2 meter sludge belt filter press rated at 2,000 pounds/hour,
polymer feed system, and washwater pump; sludge conveyer; a 14,800 ft2
dewatering sludge storage shelter; associated site work and yard piping, in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
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.
We understand that the Biosolids Dewatering Facility may NOT be operated until both the Phase
1 (Site Work and Foundation Package, A to C No. 025071A02) Engineer Certification and this
Engineer Certification have been completed.
Signature
Date
Registration No.
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633