HomeMy WebLinkAboutNC0020940_Authorization to Construct_20030421 UMcGill
A S S O C I A T E S
April 21, 2003
Mr. Cecil G. Madden, Jr.,P.E., Supervisor
Construction Grants and Loans.Section
North Carolina Department of Environment
And Natural Resources
1633 Mail Service Center
Raleigh,North Carolina 27699-1633
Re: Engineer's Certification
Town of Murphy
WWTP Improvements
Permit No. 0020940ACA
Project No. E-SRG-T-99-0047
Dear Mr. Madden:
1, Michael J. Waresak, as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe periodically the construction of the improvements
to the Town of Murphy Wastewater Treatment Plant, hereby state that, to the best of my
abilities, due care and diligence was used in the observation of the construction of the above
referenced project. I certify that the construction of the project was observed to be built within
substantial compliance and intent of the approved plans and specifications, and as described in
the modified Authorization to Construct dated June 19, 2001 as issued by the North.Carolina
Division of Water Quality.
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®� Sincerely,
UAL McGILL ASSOCIATES P.A.
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MICHAE•L J.'WARESAK;P.E.
�a®aa.se � Registration No. 19950
cc: William N. Hughes,Mayor
Anna Payne, Town Manager
Jeff Bishop, P.E.
99196.01/=21aprOldoc
E n g i n e e r i n g P l a n n i n g F i n a n c e
McGill Associates, P.A. P.D. Box 2259, Asheville,NC 28802 - 55 Broad Street, Asheville,NC 28801
828-252-0575 • FAX 828-252-2518
Michael F.Easley
14. Governor
William G.Ross,Jr.,Secretary
-P Department of Environment and Natural Resources
fir
1z. Kerr T.Stevens
Division of Water Quality
June 19,2001
0 610
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Ms. Anna Payne, Town Manager
Town of Murphy
A0
P.O. Box 130
Murphy,North Carolina 28906-0130
SUBJECT: Permit No. 0020940ACA
Authorization to Construct
City of Murphy
Murphy WWTP
Cherokee County
Project No. E-SRG-T-99-0047
Dear Ms. Payne:
A letter of request for modification of the Authorization to Construct was received April
6, 2001,by the Division and final plans and specifications for the subject project have been
reviewed and found to be satisfactory. Authorization is hereby granted for the construction of
modifications to the existing City of Murphy Wastewater Treatment Plant, with discharge of
treated wastewater into the Hiwassee River.
Modifications to the existing 925,000 GPD WWTP'to provide a new total capacity of 1,400,000
GPD to include, replacement of the influent pumps with dual 2430 GPM pumps; approximately
175 8 If of influent 16-inch force main and associated site work; a new mechanical.bar screen
with manual bar screen bypass channel; a new sequencing,batch reactor(SBR)with two (2)
diffused air reactor tanks,each having 730,000 gallons of capacity,in lieu of the existing
Aeromoa treatment unit;three(3) 75 H?blowers for the SBR, and one(1) 30 HP blowerfor the
existing digester; conversion of the abandoned clarifier tank to post SBR flow equalization; an
SBR waste sludge pump station with dual 200 GPM pumps;conversion of the existing Aeromod
WWTP into additional digestion capacity; a new 60 GPM digester pump; a 0.8-meter sludge belt
press; chlorine feed equipment; an onsite,non potable water distribution system; expansion of
the existing chlorine contact chamber; abandonment of the existing effluent outfall and
construction of a new parallel 24-inch effluent outfall;construction of a plant drain pump station
with dual submersible 100 GPM pumps; a standby generator with automatic transfer switch;
associated yard pipe, site work and electrical work.
MD R
Customer Service Construction Grants&Loans 1633 Mail Service Center Raleigh,NC 27699-1633 I (919)733-MM
1 8W623-7748 FAX(919)715-6229 Internet Address:www,nccgi.net
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This Authorization to Construct is issued in accordance with Part III,Paragraph C of
NPDES Permit No. NC0020940 issued May 5, 2000, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0020940.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the North Carolina Division of Water Quality.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions,the Permittee shall take immediate corrective action, including those as may
be required by this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Asheville Regional Office,telephone number(828)251-6208, shall be notified at
least.forty-eight(48)hours in advance of operation of the installed facilities so that an on site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
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 NPDES Pennit,this Authorization to Construct and the
approved plans and specifications. Mail the Certification to the Cecil G. Madden,Jr., F.E.,
Construction Grants &Loans,DWQ/DENR, 1633 Mail Service Center,Raleigh,NC 27699-
1633.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge(ORC)of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at least
equivalent to or greater than the classification assigned to the wastewater treatment facilities by
the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility
must visit each Class I facility at least weekly and each Class II,III and IV facility at least daily,
excluding weekends and holidays, must properly manage the facility,must document daily
operation and maintenance of the facility,and must comply with all other conditions of Title
15A, Chapter 8A, .0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
r
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.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality in accordance
with North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules,regulations,or ordinances which may be imposed by
other government agencies (local, state, and federal)which have jurisdiction.
One(1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information,please contact Cecil G.Madden, Jr.,P.E. at
telephone number(919) 715-6203.
Si/Director
y,
Steven
CGM:pe
cc: McGill &Associates
Cherokee County Health Department
Asheville Regional Office;Water Quality Section
Technical Assistance and Certification Unit
Daniel Blaisdell,P.E.
Dave Goodrich,NPDES Permitting Unit
Cecil G. Madden,Jr., P.E.
SRG