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Home My WebLink AboutNC0025534_Authorization to Construct_20181207 :-�tn,,„7‘t 411 6>11122vise'g ..inns+ ROY COOPER NORTH CAROLINA Governor Environmental Quality MICHAEL S.REGAN Secretary LINDA CULPEPPER Interim Director December 7, 2018 Mr. John Connet City Manager City of Hendersonville 145 5th Avenue East Hendersonville,North Carolina 28792 SUBJECT: Authorization to Construct A to C No. 025534A01 City of Hendersonville Hendersonville WWTP , NPDES Permit No.NC0025534 Dear Mr. Connet: A letter of request for an Authorization to Construct was received on December 3, 2018, 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 4.8 MGD Hendersonville WWTP, with discharge of treated wastewater into the Mud Creek in the French Broad River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: Replacement of one (1) existing traveling bridge sand filter with one (1) new cloth media filter rated at 15.0 MGD at peak hourly flow; installation of one (1) new 1,500 kW emergency generator;installation of all piping and controls;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. NC0025534 issued effective January 1, 2018, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0025534. 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 DEQ)NORTH CAROLINA Department of EnrlmnmonHl UueINE� North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11611 Mail Service Center I Raleigh,North Carolina 27699-1611 919.707.3601 Mr.John Connet, City Manager December 7, 2018 Page 2 of 3 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 Asheville Regional Office, telephone number 828-296-4500, 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:80.0202. 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 ND_E NORTH CAROLINA DaPa+tmat at 6rvVonm ahl p10! North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11611 Mail Service Center I Raleigh,North Carolina 27699-1611 919.707.3601 Mr.John Connet,City Manager December 7, 2018 Page 3 of 3 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 maybe imposed by other government agencies (local, state, and federal) which have jurisdiction. If you have any questions or need additional information, please contact Bing Bai at telephone number(919) 707-3610. Sincerely, /9-72;j)7,---- -Fr Linda Culpepper Interim Director, Division of Water Resources With Engineer's Certificate attached: cc: DWR Asheville Regional Office, Water Quality Programs Central Files ecopy: Don Hamburger, P.E. Regional Manager Email: dhamburger@mckimcreed.com NPDES File Without Engineer's Certificate attached: cc: Henderson County Health D_E Q.) NORTH CAROLINA Departmental F ut.. la'puGb� North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11611 Mail Service Center I Raleigh,North Carolina 27699-1611 919.707.3601 City of Hendersonville Hendersonville WWTP Authorization to Construct No. 025534A01 Issued December 7,2018 NPDES Permit No.NC0025534 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 Hendersonville Wastewater Treatment Plant, located in Henderson County,hereby state that,to the best of my abilities, due care and diligence was used in the observation of the following construction: Replacement of one(1) existing traveling bridge sand filter with one(1)new cloth media filter rated at 15.0 MGD at peak hourly flow; installation of one (1) new 1,500 kW emergency generator; installation of all piping and controls; 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 Registration No. Date Mail this Certification to: Attn: Bing Bai ( ' EA )-_ Complex Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh,NC 27699-1617