HomeMy WebLinkAboutNC0082384_Authorization to Construct_19940628State of North Carolina
Department of Environment, ANT Health and Natural Resources X. nv�
AOQII� Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary I D C� H N PI
A. Preston Howard, Jr., P.E„ Director
June 28, 1994
Mr. W. Craig Greer, County Manager
Stokes County
P. O. Box 20
Danbury, North Carolina 27016
SUBJECT: Stokes/Danbury
Permit No. NCO082384
Authorization to Construct
Wastewater Treatment Facilities
Project No. CS370813-01
Stokes County
Dear Mr. Greer:
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 100,000 GPD
extended aeration package wastewater treatment plant to consist of a manual bar screen with
1/2-inch openings, a 20,000 gallon aerated flow equalization chamber with a 70 cfin blower
and dual 150 gpm pumps, dual 50,000 gallon aeration basins with three (3) 250 cfin blowers,
dual 16,667 gallon hopper bottom clarifiers with air lift sludge return and wasting, a 20,000
gallon aerobic sludge digester with air supplied form the aeration basin blowers, an ultraviolet
disinfection system with three (3) installed and one (1) standby module, influent and effluent
samplers, influent and effluent flow measurement and recording, an effluent pump station
with dual 175 gpm pumps, approximately 3,800 linear feet of effluent force main,
approximately 2,055 linear feet of 3-inch potable water line, a 75 Kw standby generator, and
associated appurtenances, site and electrical work with discharge to the Dan River.
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.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496
An Equal Opportunity Affirmative Action Employer 50%recycled/ 10%post-consumer paper
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/00� 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 issued in accordance with Part III, Paragraph C of
NPDES Permit No. NC0082384, issued February 26, 1993 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. NC0082384.
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
Environmental Management's Winston-Salem 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, whapplicable, 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.
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. O. Box 29535, Raleigh, North Carolina
27626-0535. (Engineer's Certification Form. is attached.)
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If you have any questions or need additional information, please contact Mr. Bill
Hoffinan, at (919) 733-6900, extension 615.
Sincerely,
-Preston ard, Jr., P.E.
Attachment
BG:vk
Town of Danbury
Hobbs, Upchurch & Associates, P.A.
Mr. Don Safrit
Winston-Salem Regional Office
Mr. Tom Fahnestock
Mr. Don Evans
Ms.. -Valerie Lancaster
Mr.' Bennie Goetze, Jr.
Ms. Cindy Finan .
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