NC0025534_Authorization to Construct_19990617

NPDE:i DOCYNENT SCANNING COVER SHEET
NPDES Permit: NC0025534
Hendersonville WWTP
Document Type: Permit Issuance
- Wasteload Allocation
Authorization to Construct
(AtC)
Permit Modification
Complete File - Historical
Correspondence
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date: June 17, 1999
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F •
} NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
��• Y � June 17, 1999
fi1CDEHit. t
rid
Chris A. Carter, City Manager
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t. 1 City of Hendersonville
'DAMES B.HUNTJR:'•. Post Office Box 1670
, GOVERNOR may.
Hendersonville,North Carolina 28793-1670 w.-
a t e .1
' f SUBJECT: City of Hendersonville
New Wastewater Treatment Plant
T.wAinv�Mcl�EV"T�7�:.�� Permit No.NC0025534
SECRETARY -
ram- Authorization to Construct
Project No. CS370444-07
,•:.r;�,.h{,. .;; Henderson County
A PRE'3TON HOWARO,
;";RJR.;
Dear Mr. Carter:
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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 the 4.8
MGD City of Hendersonville Wastewater Treatment Plant to include an influent pump
station with a trash rack and four pumps rated at 1500 gpm,2800 gpm, 2700 gpm, and
y 5100 gpm each; dual mechanically cleaned bar screens, dual grit collection chambers
_ « with chain and bucket collection,dual 2.4 MG aeration basins,three 2675 SCFM
centrifugal blowers, dual 90 ft diameter clarifiers with 14 ft sidewater depth, a recycle
5 ^ s pump station with a 1800 gpm pump and a 2500 gpm pump, dual traveling bridge
effluent filters an ultraviolet disinfection basin dual 50 foot diameter gravity thickeners,
belt presses for sludge dewatering, sludge pasteurization facilities; a standby power
generator; and all clearing, grading, and appurtenances.
Do not proceed with construction until the Authorization-to-Award package and
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
•:5..J..y$^N-Iti:�isY�AA may..
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.
'1'im'krly��y
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CONSTRUCTION GRANTS&LOANS SECTION
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P.O.BOX 29579,RALEIGH,NORTH CAROLINA 27626-0579
•'• '. '.� r PHONE [phone] FAX [phone]
AN EQUAL OPPORTUNITY/AFFIRMATIVE ACTION EMPLOYER-50%RECYCLED/10%POST-CONSUMER PAPER

The Authorization-to-Construct is issued in accordance with Part III,Paragraph A of
NPDES Permit No.NC0025534, issued February 3, 1999, 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.NC0025534.
The Permittee shall have an acceptable sludge analysis and a sludge toxicity analysis
which have been approved by the Division of Water Quality 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 Water Quality's Asheville 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 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 specification 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 Certifica-
tion to the Permits and Engineering Unit, P. O. Box 29535,Raleigh,North Carolina 27626-
0535.

If there are any questions concerning this matter, please do not hesitate to contact Mr.
Cecil Madden at [phone].
Sincerely,
J
err T. Stevens
Director
Attachment
JR/pe
cc: Willis Engineers
David Barnwell (OSHA)
Asheville Regional Office
Valerie Lancaster
John Royal
Central Files
NPDES Unit
CIU
PMB
SRF