NC0024970_Authorization to Construct_20040305

Michael F. Easley, Governor
State of North Carolina
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
March 5, 2004
Mr. Barry Gullet, Deputy Director
Charlotte -Mecklenburg Utilities
5100 Brookshire Boulevard
Charlotte, North Carolina 28216
Subject: Authorization to Construct Permit Issuance
ATC Number 024970A04
NPDES Permit NC0024970
Mecklenburg County
Dear Mr. Gullet:
A request for an Authorization to Construct (ATC) was received by the Division and final
plans and specifications for the subject project have been found to be satisfactory.
Authorization is hereby granted for construction activities at Charlotte Mecklenburg Utilities -
McAlpine Creek Wastewater Management Facility. This ATC is specifically issued for the
following construction activities:
• Construction of a new headworks structure consisting of three mechanically cleaned
bar screens, two hydraulic screen presses, bi-directional conveyor for screenings
conveyance, and two 20 cubic yard roll -off dumpsters;
• Construction of a new 92-MGD firm capacity low -lift pumping station consisting of two
wetwells and 5 pump bays;
• Construction of a new central electrical power distribution building as detailed in the
approved design documents;
• Modifications, as described in the approved design documents, to the existing screening
and grit removal facility;
• Demolition of the north raw sewage pumping station;
• Demolition of the south raw sewage pumping station;
• Demolition of the existing low -lift pumping station;
• Construction of new odor control facilities consisting of two 50,000-scfm two -stage
packed tower chemical scrubber units and three 50,000-scfm exhaust fans;
• Modifications to the existing flow equalization pumping and grit removal facilities as
described in the approved design documents;
• Construction of a new 110-MGD firm capacity consolidated influent pumping station;
• Construction of a 10,000-gallon sodium hydroxide tank, a 10,000-gallon sodium
hypochlorite tank, and all necessary chemical metering equipment;
• Construction of a new recycle pumping station as described in the approved design
documents;
• Construction of new yard piping, flow meter vaults, flow control structures, paving,
grading, and miscellaneous site improvements; and
• Miscellaneous necessary electrical improvements.
This Authorization to Construct is issued in accordance with NPDES Permit No.
NC0024970 issued May 15, 2002, and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the conditions and limitations specified
in the permit.
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
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Permit No. NC0024970
CMU - McAlpine Creek WWMF
March 5, 2004
may be required by this Division, such as the construction of additional or replacement
wastewater treatment or disposal facilities.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified water pollution control treatment system operator to be in responsible
charge (ORC) of the water pollution control treatment system. The operator must hold a
certificate of the type and grade at least equivalent to or greater than the classification assigned
to the water pollution control treatment system 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, .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 outlined in Title 15A,
Chapter 8G, .0204. Once the facility is classified, the Permittee must submit a letter to the
Certification Commission which designates the operator in responsible charge within: (A) Sixty
calendar days prior to wastewater being introduced into a new system or (B) within 120
calendar days of the following, (i) after receiving notification of a change in the classification of
the system requiring the designation of a new ORC and back-up ORC or (ii) a vacancy in the
position of ORC or back-up ORC.
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 Operate 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 Operate 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, P.E.,
telephone number [phone], extension 508.
Sincerely,
Alan W. Klimek, P.E.
cc: Central Files
• Unit, Permit Elie•
Mooresville Regional Office, Water Quality
Training and Certification Unit
Mr. Eric Davison, P.E., HDR, 128 S. Tryon Street - Suite 1400, Charlotte, NC 28202-
5004