NC0021890_Authorization to Construct_19850607

i
`�-JUN 2 01985
WATER QUALITY SECTION
State of North Carolina OPERAbONS 9RANCH
Department of Natural Resources and Community Development
12 North Salisbury Street i Raleigh, North Carolina 27611
James G.vtartin, Governor DIVISION OF ENVIRONMENTAL MANAGEMENT S. Thomas Rhodes, Secretary
June 7, 1985
Honorable R. W. Huffman, Jr.
Mayor
Town of Granite Falls
P. 0. Drawer 10
Granite Falls, NC 28630
SUBJECT: Permit No. NC0021890
Authorization to Construct
Town of Granite Falls
Wastewater Treatment Facilities
Improvements
EPA Project No. C370682-01
Dear Mayor Huffman:
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: renovations and improvements to expand the existing
0.5 MGD contact stabilization wastewater treatment plant to a 0.750 MGD ex-
tended aeration wastewater treatment plant to consist of a new mechanical
bar screen with grit removal facilities, parshall flume, 0.750 MGD dual
oxidation ditch aeration basins, dual final clarifiers, sludge recirculation
and waste pump station, alkali feed system, chlorine contact facilities,
cascade aeration, modifications to the existing contact stabilization plant
for use as an aerobic digester, vacuum sludge drying beds, effluent channel,
and administration/laboratory facilities.
Before commencing any constsruction or operations involving temporary
bypassing of raw sewage .to surface waters or temporary bypassing of treatment
units which results in less than secondary treatment, the Grantee must notify
the NCDEM Mooresville Regional Office for conditions and approval.
Do not proceed with construction until the Authorization -to -Award
package, EEO, and MBE documentation/certification has been reviewed, and
you are in receipt of our approval if Federal Funding is desired for
project construction.
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity / Affirmative Action Employer

Honorable R. W. Huffman, Jr.
Page 2
June 7, 1985 -
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. NC0021890 issued May 1, 1984, and shall be
subject to revocation unless the wastewater treatment facilities are con-
structed in accordance with the approved plans, specifications, supporting
documents, and are in compliance with the conditions and limitations speci-
fied in Permit No. NC0021890.
During the construction of the proposed additions/modifications,. the
Permittee shall continue to properly maintain and operate -the- exis.ting:. ,
wastewater treatment facilities at all times, and in such;manne_r,:as_ne.cessary
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 for-
warded to you, one (1) set to the Environmental Protection Agency (EPA),
and two (2) sets to the Corps of Engineers.
If you have any questions or need additional information, please contact
Mr. Bill Hoffman, telephone number 919/733-6900.
Sincerely,
R. Paul Wilms
Director
RPW/pg
cc: See Attached