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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. g5 006044miloo,a ®� Sincerely, UAL McGILL ASSOCIATES P.A. Ae 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 �' A. 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 f 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