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HomeMy WebLinkAboutNC0021474_Application (ATC)_20170803Water Resources ENVIRONMENTAL QUALITY ROY COOPER Governor MICHAEL S REGAN Sect etary S JAY ZIMMERMAN Dn ectot August 3, 2017 Mr. David Cheek City Manager City of Mebane 106 East Washington Street Mebane, North Carolina 27302 SUBJECT: Authorization to Construct A to C No. 021474A02 City of Mebane Mebane WWTP Dear Mr. Cheek: A letter of request for an Authorization to Construct was received July 25, 2017, by the Division of Water Resources (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 2.5 MGD Mebane WWTP, with discharge of treated wastewater into the Moadams Creek in the Cape Fear River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: Installation of a new 36 -inch diameter approximate 850 feet gravity sewer for the relocation of the facility's effluent discharge beginning from the existing chlorine contact basin to a new rip -rap area discharging to the approved location on Moadams Creek; the existing 12 inch and 18 inch lines discharging to surface water from the existing chlorine contact basin will be plugged; in conformity with the project plans, specifications, and other supporting documentation comprising the ATC Permit Application package submitted to the Department of Environmental Quality. This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No. NCO021474 issued effective July 1, 2014, subsequent modification, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0021474. It is the Owner's responsibility to ensure that the as -constructed project meets the requirements of all applicable regulations and statutes, the ATC Permit Application package, and all of the requirements contained herein. Failure to comply may result in penalties in accordance with North Carolina General Statute §143-215.6A through §143-215.6C. State of North Carolina I Environmental Quality I Water Resources 512 N Salisbury Street 11612 Marl service Center I Raleigh, North Carolina 27699-1612 Phone 919 807 6464 Mr. David Cheek, City Manager August 3, 2017 Page 2 of 3 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 Division. 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 the Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. The Winston-Salem Regional Office, telephone number (336) 776-9800, 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 Permit and the ATC Permit Application package. Mail the Certification to: Division of Water Resources, WQ Permitting — NPDES, 1617 Mail Service Center, Raleigh, NC 27699-1617. . 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 T15A:8G.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 T15A:8G.0202. A copy of the project plans and specifications shall be maintained on file by the Permittee for the life of the facility. 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. Mr. David Cheek, City Manager August 3, 2017 Page 3 of 3 Prior to entering into any contract(s) for construction, the recipient must have obtained all applicable permits from the State. The issuance of this ATC 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. If you have any questions or need additional information, please contact Ron Berry at telephone number (919) 807-6396. Sincerely, po-tv &JVL-f S. Jay Zimmerman, P.G. Director, Division of Water Resources With Engineer's Certificate attached: cc: DWR Winston-Salem Regional Office, Water Quality Programs Central Files ecopy: Troy King, P.E. Alley, Williams, Carmen & King, Inc. Email: tking@awck.com NPDES File Without Engineer's Certificate attached: cc: Alamance County Health City of Mebane Mebane WWTP Authorization to Construct No. 021474A02 Issued August 3, 2017 Engineer's Certification I, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the modifications and improvements to the Mebane Wastewater Treatment Plant, located in Alamance County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: Installation of a new 36 -inch diameter approximate 850 feet gravity sewer for the relocation of the facility's effluent discharge beginning from the existing chlorine contact basin to a new rip -rap area discharging to the approved location on Moadams Creek; the existing 12 inch and 18 inch lines discharging to surface water from the existing chlorine contact basin will be plugged; in conformity with the project plans, specifications, and other supporting documentation comprising the ATC Permit Application package submitted to the Department of Environmental Quality. I certify that the construction of the above referenced project was observed to be built within substantial compliance, intent and in conformity with all applicable regulations and statutes and the project plans, specifications, and other supporting documentation comprising the Authorization to Construct Permit Application package. Signature Date Registration No. Mail this Certification to: Attn: Ron Berry Complex Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh, NC 27699-1617