NC0081370_authorization to construct_19920724

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
Regional Offices
Asheville
704/251-6208
Fayetteville
919/486-1541
Mooresville
704/663-1699
Raleigh
919/571-4700
Washington
919/946-6481
Wilmington
919/395-3900
Winston-Salem
919/896-7007
July 24, 1992
Mr. Dean McGinnis, City Manager
City of Claremont
P. O. Box 446
Claremont, North Carolina 28610
SUBJECT:
Dear Mr. McGinnis:
A. Preston Howard, Jr., P.E.
Acting Director
City of Claremont
Permit No. NC0081370
Authorization to Construct
Wastewater Treatment Facilities
Project No. CS370576-03
Catawba County
The final plans and specifications for the subject project have
been reviewed and found to be satisfactory.
Authorization is hereby granted for the construction and operation
of a new 0.3 MGD wastewater treatment plant to replace the existing 0.1
MGD South wastewater treatment plant to consist of an influent
preliminary treatment unit with a mechanical bar screen, a manual
bypass bar screen, and a cyclone grit removal unit; an influent pump
station with a Palmer-Bowlus flume and three (3) 260 GPM pumps; a dual
unit sequential batch treatment basin with two (2) 500 SC.FM blowers; a
three (3) cell automatic backwash effluent filter with air scour;
chlorination/dechlorination; cascade post aeration; a 64,425 gallon
aerobic sludge digester and a 64,425 gallon aerobic sludge holding
tank, each with a 250 SCFM blower; a sludge loading station with two
(2) GPM pumps, a lime slurry system for backup sludge treatment;
influent and effluent sampling; an 812 sq. ft. laboratory/operations
building; a 1,270 sq. ft. blower building; a 112 sq. ft. chemical feed
building; a water supply well; a non -potable water supply system with
two (2) 50 GPM pumps; approximately 105 linear feet of 15-inch effluent
outfall with head wall and energy dissipator; and associated site and
electrical work.
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Fnnal nnrnrtnnity A ffirmot;.,a

Page 2
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.
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 facilities is 50% complete.
The Authorization -to -Construct is issuer in accordance with Part
III, Paragraph C of NPDES Permit No. NC0081370, issued June 5, 1992
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. NC0081370.
The PermittPe 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 Environmental Management's Mooresville Regional Office.
The disposing, selling or free distribution of wet, dried,
composted sludge or sludge -like materials fLCxu wastewater facilities
without prior review and approval by this Division is illegal.
During the construction of the proposed construction, the
permitt-i 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 C'.qrolina Sedimentation
Pollution Control Act, and, when applicable, 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.

Page 3
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 approved plans and specifications.
Mail the Certification to the Permits and Engineering Unit, P. 0. Box
29535, Raleigh, North Carolina 27626-0535. (Engineer's Certification
Form is attached.)
If you have any questions or need additional information, please
contact Mr. Bill Hoffman, at [phone], extension 615.
Attachment
BG:vk
cc: G. F. Smithson & Associates
Mr. Don Safrit
Mooresville Regional Office
Mr. Tom Fahnestock
Mr. Don Evans
Ms. Valerie Lancaster
Mr. Bennie Goetze, Jr.
Ms. Cindy Finan
DMU
SRF