NC0021181_Authorization to Construct_19920706

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, north Carolina 27604
James G. Martin, Governor
William W, Cobey, Jr., Secretary George T. Everett, Ph:D
July 6, 1992 Dineetar
Reeional Offices
Asheville
Honorable Billy W. Joye, Jr., Mayor
704/251-6208
City of Belmont
Post Office Box 431
Fayetteville
Belmont, North Carolina 28012
919/486-1541
SUBJECT': City of Belmont
Mooresville
70 i/E,63 1699
Permit No. NCO021181
Authorization to Construct
Ra1ei01
Wastewater Treatment Facilities
919i571 �700
Project No. CS370702-04
Gaston County
Washington
Dear Mayor Joye:
919/946-6481
Wilmington
The final plans and specifications for the subject project have
been reviewed and found to be satisfactory.
919/395-39W ,
Winston-Salem
Authorization is hereby granted for the construction and operation
of additions and modifications to the existing 5.0
919/896-7007
mgd wastewater
treatment plant with no increase in capacity to include
a new
mechanical bar screen; a new mechanical grit removal unit; a new
influent parshall flume; replacement of the existing fixed aerators
with eight (8)-75 hp floating aerators in aeration basin No. 1;
refurbishing of the existing aeration basin inlet gates; conversion of
one-half of aeration basin No. 2 to a sludge holding tank in two (2)
cells each with one 25 hp aerator and two (2)-25 hp mixers; a new
561,000 gal, two (2)-cell
aerobic digester with diffused air and
two (2)-1450 SCFM blowers; a new sludge pumping station with two (2)-250
gpm pumps; a new sludge loading station with two (2)-150 gpm pumps and
two (2)-250
gpm supernatant pumps; modifications to the existing return
sludge
pump station replacing the existing pumps with one (1)-200 gpm
scum pump, two (2)-400 gpm VFD WAS pumps, and -two (2)-4000 gpm VFD RAS
pumps; modifications to the existing chlorination system including
replacement of the existing chlorine feed system with new 500 lb/day
chlorinators, scales and accessories; and associated piping; site
_yard
work; and electrical work including a standby generator.
Do not proceed with construction until the Authorization -to -Award
package, EEO, and MBE documentation/certification have been reviewed,
and you are in receipt of our approval, if funding is desired for
project construction.
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
., r.,,,..,i �...,.......:. ,

-2-
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
Coimnission. 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 facilities is 50% complete.
The Authorization -to -Construct is issued in accordance with Part
III, Paragraph D of NPDES Permit No. NC0021181, issued September 1,
1988, and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the approved
plans, specifications, and supporting documents; and are in compliance
with the conditions and limitations specified in Permit No. NC0021181.
The Permittee shall have an acceptable sludge analysis and a
sludge toxicity analysis which have been approved by the Division of
Environmental Management, Water Quality Section 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 avironmental Management's Mooresville Regional Office.
The disposing, 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.
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 a licable, 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.
One (1) set of final approved plans and specifications is to be
forwarded -to you for your files. The copy of the approved plans and
specifications shall be maintained on file by the Owner for the life of
the project.

-3-
Upon ccnipletion 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 approved plans and specifications.
Mail the Certification to the Permits and Engineering Unit, P. O, Box
29535, Raleigh, North Carolina 27626-0535. ( ering ' Certification
Form is attached.)
If you have any questions or need additional information, please
contact Mr. Bill Hoffman, at [phone], extension 615.
Sincerely,
A. Preston
BG/ta
Attachment
cc: Professional Services, Inc.
Mr. Don Safrit
Mooresville Regional Office
Mr. Tom Fahnestock
Mr. Don Evans
Ms. Valerie Lancaster
Mr. Bennie Goetze, Jr.
Ms. Cindy Finan
DMJ
SRF