NC0024937_authorization to construct_19841008

North Caroiina Department of Natural
Resources & Community Development
James B. Hunt, Jr., Governor
October 8, 1984
Mr. Wendell 0. White
City Manager e�Ub .pity of Charlotte
600 E. Trade Street
Charlotte, North Carolina 28202
Dear Mr. White:
James A. Summers, Secretary
ENVIRONMEN AL
MANAGEMENT
Robert F. Hieirrs
Director
Teieonone 919 733-7;15
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SUBJECT: Permit No. NC0024937
Authorization to Consttrrjuct�%
44 + o f r+t, i , ns to l J'/L of
Sugar Creek Wastewater Treatment
Plant Additions and Alterations
EPA Project No. C370377-06
The final plans and specifications for the subject project have been
reviewed and found to be satisfactory. Authorization is hereby granted for
the construction of additions and alterations of the existing 14.67 MGD Sugar
Creek Wastewater Treatment Facility to consist of hydrogen peroxide odor control
system, alterations of the existing trickling filter effluent chambers and
installation of new service gates, modifications of primary sludge pumps
to improve efficiency, hydrated lime bulk storage and feed system,
modifications of the existing in -tank aeration system with a fixed tubular
diffuser system, alteration of existing four final clarifier sludge collection
mechanisms with new riser pipe suction -type sludge collection mechanisms with
bridge mounted variable speed return activated sludge pumps to improve
efficiency, chlorination facilities, dual gravity thickeners and thickened
sludge pumping station with two (2) 160 gpm positive displacement plunger
pumps, installation of gas recirculation mixing system and piping modifications
at the existing digesters, standby generation, and associated electrical
work and appurtenances.
You are cautioned not to advertise or initiate construction until
so notified by EPA, if Federal Funding is desired for project construction.
Instructions regarding bidding procedures and the authority to advertise
for construction bid will be sent to you with the Grant offer from EPA.
P E
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P. 0.Sex 27687 Raleigh, N
0.27611-7667
An Eauaf Opportunity Affirmative Action Employer

Mr. 0. Wendell White
Page Two
October 8, 1984
The Permittee shall employ an actively State certified wastewater
treatment plant operator to be in responsible charge of the wastewater
treatment facilities. Such operator must hold a valid State certificate of
the grade at least equivalent to the classification assigned to the wastewater
treatment facilities by the Certification Commission. When a new chief
operator must be obtained to be in responsible charge of the new facilities,
it is required that this be done by the time the construction of the facili-
ties is 50% completed.
This Authorization -to -Construct is issued in accordance with Part III,
Paragraph C of NPDES Permit No. NC0024937 issued February 10, 1982,
and shall be subject to revocation unless the wastewater treatment facilities
are constructed in accordance with the approved plans, specifications,
supporting documents, and are in compliance with the conditions and
limitations specified in Permit No. NC0024937.
Permittee shall obtain a sludge analysis and a sludge E.P. toxicity
analysis and obtain approval of these analyses from the Division of
Health Services, Solid Waste Management Branch prior to the disposal of
any sludge from the new wastewater treatment plant. Copies of the
analyses, supporting documents, and approvals shall be submitted to the
Division of Environmental Management Water Quality Section and the
Mooresville Regional Office.
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
manner, as necessary to comply with the effluent limits specified in the
NPDES Permit.
You are reminded that it is mandatory for 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 contractors responsibilities
shall be in complying with these acts.
The selling or free distribution of wet, dried, composted sludge or
sludge like materials from wastewater facilities without prior review and
approval by this Division is illegal.
One (1) set of final approved plans and specifications is to be
forwarded to you, one (1) set to the Environmental Protection Agency (EPA),
and two (2) sets to the Corps of Engineers.

Mr. 0. Wendell White
Page Three
October 8, 1984
If you have any questions or need additional information, please contact
Mr. Bill Hoffman, telephone number 919/733-6900.
Sincerely,
OrigiRai Signed Sy
FORREST R. WESTALL
FOR
Robert F. Helms
Director
JM:tm
cc: Mecklenburg County Health Department
Gannett, Fleming, Corddry and Carpenter
Mr. Walter Taft
Mr. William Mills
Mr. Richard Peace
Mr. Bill Hodge
Mr. Bobby Blowe
Ms. Brenda Chesson
Mr. W. S. Hoffman
Charlotte Corps of Engineers
EPA
GPF