NC0067148_Authorization to Construct_20020612

State of North Carolina
Department of Environment
and Natural Resources
Asheville Regional Office
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
Division of Water Quality
D
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POINT
-WATER QUALI
POINTY C D EN R
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NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
WATER QUALITY SECTION
June 12, 2002
,Mr. Garvin Trinks — Maintenance Supervisor
McDowell County Schools
709 Sugar Hill Road
Marion, North Carolina 28752
Subject: Authorization to Construct
ATC No. 067148A01
NPDES Permit No. NCO067148
Nebo Elementary School
McDowell County
Dear Mr. Trinks:
The Division of Water Quality received your request for an Authorization to Construct on
May 14, 2002. The Division has reviewed your request for an Authorization to Construct at Nebo
Elementary School. The Division finds the proposed improvements to be satisfactory and hereby
grants authorization for the following:
• Install three (3) 3,500 gallon recirculation tanks pre -cast state -approved, for a total of
10,500 gallons.
• Disable and remove dosing pumps and reroute septic tank effluent through the dosing
tank, by gravity, to the number one recirculating tank.
• Rebuild sand filter by removing and replacing approximately 12 inches of state -certified
sand and installing 2160 feet of'h inch PE. drip tubing (with 0.01 gpm emitters at 24
inch O.C.), at approximately 10 inch depth beneath the sand surface.
• Install a 10 foot by 10 foot prefab or hand constructed building on a 4 inch slab -on -
grade building to house duplex controller and filtration unit.
• Install dual pumps, 1'h HP, in tank number 3.
• Install dual 400 micron filters (manually cleaned) and a 1'/z inch totalizing flow meter in
the control building.
• Install a distribution box in -line with the existing sand filter effluent to provide flow
splitting between the chlorinator and the recirculation tanks.
Asheville Regional Office, 59 Woodfin Place, Asheville, North Carolina 28801 Phone: [phone] Fax: [phone]
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Mr. Garvin Trinks
May 24, 2002
Page 2
• Install a 2 inch PVC field flush line with a 2" inch PVC Ball valve to manually flush the
drip tubing at appropriate intervals.
• Associated piping and appurtenances.
This Authorization to Construct is issued in accordance with NPDES Permit No.
NC0067148, issued May 5, 2000, and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the terms and conditions of the permit.
The Permittee shall notify the Water Quality Supervisor of the Asheville Regional Office,
telephone number [phone], at least forty-eight (48) hours prior to operation of the installed
facilities, so that an in -place inspection can be made. Notification shall be made during the normal
office hours of 8.00 a.m. until 5.00 p.m., Monday through Friday.
Enqineer's Certification
Upon completion of construction and prior to operation of the modified facility, the
Permittee shall provide the Division with the enclosed certification from a professional engineer
registered in North Carolina certifying that the permitted facility has been installed in accordance
with NPDES Permit NC0067148, Authorization to Construct Number 067148A01 and the
approved plans and specifications. The Certification should be submitted to: NCDENR/ DWQ,
NPDES Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617.
Requirements for Certified O ep rator
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 8G, .0200. The ORC of the facility must visit each Class I facility
at least weekly and each Class ll, HI, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and comply with all other conditions of Title 15A, Chapter 8G, .0200.
Additional Requirements
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.
Asheville Regional Office, 59 Woodfin Place, Asheville, North Carolina 28801 Phone: [phone] Fax: [phone]
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Mr. Garvin Trinks
June 3, 2002
Page 2
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.
The Permittee shall maintain a copy of the approved plans and specifications on file for the
life of the facility. One (1) copy of the approved plans and specifications is enclosed for your
records.
If you have any questions about this Authorization to Construct, please contact Mr. Larry
Frost, at [phone].
Sincerely,
' i G<�✓G 0��
Alan W. Klimek, P.E.
Director
Enclosures: Project Plans and Specifications (approved)
Engineer's Certification Form
cc: —Larry Frost
Technical Assistance and Certification Unit
Central Files
NPDES Unit Files
--Bob Deweese - NCDPI
Asheville Regional Office, 59 Woodfin Place, Asheville, North Carolina 28801 Phone: [phone] Fax: [phone]
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