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HomeMy WebLinkAboutNC0065587_Authorization to Construct_20170906Water Resources ENVIRONMENTAL QUALITY ROY COOPER Goveinoi MICHAEL S. REGAN Sect clap, S. JAY ZIMMERMAN Dn ecloi September 6, 2017 Moses Thompson Director of Operations Aqua North Carolina, Inc. 202 Mackenan Court Cary, North Carolina 27511 SUBJECT: Authorization to Construct A to C No. 065587A02 Aqua North Carolina, Inc. Frye Bridge Estates Subdivision WWTP NPDES No. NCO065587 Dear Mr. Thompson: A letter of request for an Authorization to Construct was received July 18, 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 0.027 MGD Frye Bridge Estates Subdivision WWTP, with discharge of treated wastewater into an unnamed tributary in Muddy Creek in the Yadkin - Pee Dee 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 one (1) two zoned equalization/aeration tank which includes 7,000 gallons equalization chamber and 27,000 gallons aeration chamber replacing the existing aeration basin, both zones with submerged diffuser aeration systems; one (1) flow distribution box with a 0.10 MGD capacity manual bar screen, piping and controls; two (2) 60 GPM at 11.5 ft TDH submersible grinder flow equalization pumps, piping and control; installation of new process air system which includes two (2) aeration blowers each providing 120 SCFM at 6.0 PSI for equalization/ aeration tank aeration, one (1) blower providing 90 SCFM at 60 PSI for existing airlifts operations, digesters mixing/aeration, and post aeration, piping and controls; relocation of existing solid storage basin and piping; 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. NC000065587 issued effective June 1, 2014, and shall be subject to revocation unless the State of North Carolina I Environmental Quality I Water Resources 512 N Salisbury Street 11612 Mail service Center I Raleigh, North Carolina 27699-1612 Phone 919 807 6464 Moses Thompson, Director of Operations September 6, 2017 Page 2 of 3 wastewater treatment facilities are cons eructed in accordance with the conditions and limitations specified in Permit No. NC0065587. 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. 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 number336-776-9800, 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, Moses Thompson, Director of Operations September 6, 2017 Page 3 of 3 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. 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 Trupti Desai at telephone number (919) 807-6351. Sincerely, �jYU Icy�� 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: Michael Poulios, P.E. Dewberry Email: mpoulios@dewberry.com NPDES File Without Engineer's Certificate attached: cc: Forsyth County Health Aqua North Carolina, Inc. Frye Bride Estates Subdivision WWTP/NPDES No. NCO065587 Authorization to Construct No. 065587A02 September 6, 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 Frye Bridge Wastewater Treatment Plant, located in Forsyth 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 one (1) two zoned equalization/aeration tank which includes 7,000 gallons equalization chamber and 27,000 gallons aeration chamber replacing the existing aeration basin, both zones with submerged diffuser aeration systems; one (1) flow distribution box with a 0.10 MGD capacity manual bar screen, piping and controls; two (2) 60 GPM at 11.5 ft TDH submersible grinder flow equalization pumps, piping and control; installation of new process air system which includes two (2) aeration blowers each providing 120 SCFM at 6.0 PSI for equalization/ aeration tank aeration, one (1) blower providing 90 SUM at 60 PSI for existing airlifts operations, digesters mixing/aeration, and post aeration, piping and controls; relocation of existing solid storage basin and piping; 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: Trupti Desai Complex Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh, NC 27699-1617