NC0043257_Authorization to Construct_20070314

Nature Trail Associates
A to C No. 043257A01;
February 13, 2007
Engineer's CertificationMAR
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i, �% • Lfr4—C.1% C JR, as a duly registered Prof6ssionalWW
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the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the Nature Trail WWTP, located on
Nature Trail in Chatham County for the Nature Trail Associates, 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 dechlorination system utilizing sodium bisulfate pursuant to the
fast track application received on February 9, 2007, 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. lU L # ?-Z.6 Z.
Date 7 N-0-1
Send to: Construction Grants & Loans
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1633 Mail Service Center
Raleigh, NC 27699-1633
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February 13, 2007
Mr. Matthew Raynor
Nature Trail Associates
10006 Hammock Bend
Chapel Hill, North Carolina 27517
SUBJECT:
Dear Mr. Raynor:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Authorization to Construct
A to C No. 043257AOI
Nature Trail Associates
Nature Trail VJWTP
Dechlorination Facilities
Chatham County
Alan W. Klimek, P.E. Director
Division of Water Quality
A fast track application for Authorization to Construct dechlorination facilities was
received on February 9, 2007, by the Division. Authorization is hereby granted for the
construction of modifications to the existing Nature Trail WWTP, with discharge of filter
backwash water into Cub Creek in the Cape Fear 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 dechlorination system utilizing sodium bisulfite pursuant to the
fast track application received on February 9, 2007, and in conformity with the
Minimum Design Criteria for Dechlorination Facilities.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NCO043257 issued April 3, 2006, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0043257.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Pernuttee shall take immediate corrective action, including those as may
be required by thi$ Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Raleigh 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
t�° Caro'na
VMCIOty
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: v .ncwateroualiN.oro 512 N. Salisbury St. Raleigh, NC 27604_____ . FAX [phone]
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper

Mr. Raynor
February 13, 2007
Page 2
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.
Pursuant to 15A NCAC 2H .0140, upon completion of construction and prior to operation
of these permitted facilities, the completed Engineering Certification form attached to this permit
shall be submitted to the address provided on the form.
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.
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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 H, 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 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.

Mr. Raynor
February 13,2007
Page 3
If you have any questions or need additional information, please do not hesitate to contact
Cecil G. Madden, Jr., P.E. at telephone number [phone].
Sincerely,
rVA r
rveAlan Vt. Klimek, P.E. /
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AR/cgm
cc: W. Lee Fleming, P.E., Consulting Engineer
Chatham 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.
Anita Reed, E.I.
ATC File