NC0085812_Authorization to Construct_19980717

I, Dale C. Stewart, a duly registered Professional Engineer in the State of North Carolina, have
periodically observed the construction of the Grassy Branch Wastewater Treatment Plant to serve
Unionville Piedmont Schools, located in Union County, North Carolina, and approved under Permit
No. NC0085812.
I state, in my professional judgement, that the construction of the wastewater treatment plant was
observed to be constructed within substantial compliance and intent of the approved plans and
specifications.
This statement is a declaration of professional judgement. It does not constitute a warranty, or
guarantee, expressed or implied, nor does it relieve any other party of his responsibility to abide by
contract documents, applicable codes, standards, regulations and ordinances.
//Y/
Dale C. St wat
North Carolina
July 17, 1998
Engineer Number 6988
FC.

State of North Carolina
Department of Environment,N V VA
Health and Natural Resources 40
Division of Water Quality r
James B. Hunt, Jr., Governor IL
Wayne McDevitt, Secretary p E H N F1
A. Preston Howard, Jr., P.E., Director
September 29, 1997
Mr. Mike Shalati
Public Works Director
Union County Public Works Department
P.O. Box 987
Monroe, North Carolina 28111-0987
Subject: Permit No. NC0085812
Authorization to Construct Addendum
Grassy Branch WWTP
Union County
Dear Mr. Shalati:
The Division issued an Authorization to Construct (ATC) to Union County Schools on March 7, 1997 for the
above referenced facility. A letter of request for an addendum to that ATC was received July 3, 1997 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 a 50,000 gpd dual train extended aeration package plant consisting of a 12,500 gallon influent
flow equalization tank, an influent flow splitter box with integrated bar screen, dual 25,000 gallon aeration basins operating
in parallel, dual 10 foot diameter circular clarifiers, a 9,000 gallon sludge holding tank, a dual cell tertiary filtration system,
LTV disinfection, tablet chlorination - dechlorination, and emergency standby power with final discharge of treated wastewater
into Crooked Creek in the Yadkin -Pee Dee River Basin. This ATC authorizes construction of the above described facilities in
lieu of those facilities approved in the March 7, 1997 ATC.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0085812 issued September 23, 1997, and shall be subject to revocation unless the wastewater treatment facilities are
constructed in accordance with the conditions and limitations specified in Permit No. NC0085812.
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 Mooresville 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 in -place 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 the Permits and
Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Permit No. NCO085812
Authorization to Construct
Grassy Branch WWTP
September 29, 1997
Page 2
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 Title 15A, Chapter 8A, .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,
and must properly manage and document daily operation and maintenance of the facility and must comply with all other
conditions of Title 15A, Chapter 8A, .0202. Once the facility is classified, the Permittee must submit a letter to the
Certification Commission which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the
facility.
The Operational Agreement between the Permittee and the Environmental Management Commission is incorporated
herein by reference and is a condition of this Permit. Noncompliance with the terms of the Operational Agreement shall
subject the Permittee to all sanctions provided by G. S. 143-215.6 for violation of or failure to act in accordance with the
terms and conditions of this Permit.
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 Mr. Mark McIntire, telephone number [phone], extension 553.
Sincerely,
dlI1K Preston Howard, Jr., P.E.
cc: Central Files
+IRD)iS •Unit; Permit File,
Mooresville Regional Office, Water Quality
Technical Assistance and Certification Unit
Land Design Engineering Services, Inc. / Dale Stewart, P.E.

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor.
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
March 7, 1997
Mr. Mike Shalati
Public Works Director
Union County Public Works Department
P.O. Box 987
Monroe, North Carolina 28111-0987
Dear Mr. Shalati:
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Subject: Permit No. NC0085812
Authorization to Construct
Grassy Branch W WTP
Union County
A letter of request for an Authorization to Construct was received February 10, 1997 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 a 30,000 gpd dual train extended aeration package plant consisting of influent flow equilization, dual
aeration basins and clarifiers, sludge holding, tertiary filters, UV disinfection, tablet chlorination - dechlorination, and
emergency standby power with final discharge of treated wastewater into Crooked Creek in the Yadkin -Pee Dee River Basin.
Please be aware that the rating for this treatment system is a class II. The rating for the existing system is a class I.
Monitoring frequencies in NPDES permits are based on treatment plant class. Accordingly, the monitoring frequencies will
be changed at the time of the next permit renewal to reflect class II monitoring requirements.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0085812 issued October 14, 1996, and shall be subject to revocation unless the wastewater treatment facilities are
constructed in accordance with the conditions and limitations specified in Permit No. NC0085812.
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 Mooresville 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 in -place 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 the Permits and
Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Permit No. NCO085812
Authorization to Construct
Grassy Branch WWTP
March 7, 1997
Page 2
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 Title 15A, Chapter 8A, .0202. The ORC of the facility must
visit each Class I facility at least weekly and each Class 11,111, and IV facility at least daily, excluding weekends and holidays,
and must properly manage and document daily operation and maintenance of the facility and must comply with all other
conditions of Title 15A, Chapter 8A, .0202. Once the facility is classified, the Permittee must submit a letter to the
Certification Commission which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the
facility.
The Operational Agreement between the Permittee and the Environmental Management Commission is incorporated
herein by reference and is a condition of this Permit. Noncompliance with the terms of the Operational Agreement shall
subject the Permittee to all sanctions provided by G. S. 143-215.6 for violation of or failure to act in accordance with the
terms and conditions of this Permit.
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. 1400N,
The issuance of this Authorization to Construct does not preclude the Pennittee 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 Mr. Mark McIntire, telephone number [phone], extension 553.
Sincerely,
Preston Howard, Jr.,�
cc: Central Files l/
Pefff fs'& Engineering (ATC files)
Mooresville Regional Office / Water Quality
Training and Certification Unit
Land Design Engineering Services, Inc. / Dale Stewart, P.E.