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HomeMy WebLinkAboutNC0063096_Authorization to Construct_20160226 • PAT MCCRORY Governor DONALD R. VAN DER VAART Secrelaly Water Resources S. JAY ZIMMERMAN ENVIRONMENTAL QUALITY February 26, 2016 Director Mr. Charles Simmons Town Manager Town of Holly Springs P. 0. Box 8 Holly Springs,North Carolina 27540 SUBJECT: Authorization to Construct A to C No. 063096A03 Town of Holly Springs Utley Creek WRF Dear Mr. Simmons: A letter of request for an Authorization to Construct was received November 25, 2015, 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 2.4 MGD Utley Creek WRF,with discharge of treated wastewater into the Utley Creek in the Cape Fear River Basin. The Engineer's Certificate was received in July 2010 for completion of ATC#063069A01 approved plant base design capacity of 6.0 MGD construction, but with a restricted 2.4 MGD NPDES permitted capacity and limitations applied. This authorization results in an increase in design and permitted capacity to 6.0 MGD, and is awarded for the construction of the following specific modifications: Relocation of permitted outfall approximately 500 feet downstream from the existing Utley Creek outfall including the installation of new post cascade aeration basin and effluent meter, relocation of effluent composite sampler, piping, and controls; demolition of retired effluent cascade aerator basin; installation of new chemical storage/containment facility consisting of two (2) 400 gallon day tanks, one each for LSA and MicroC , withrcontainment basin, two (2) 33 GPH at 92 ft TDH chemical feed pumps with analog control (intended for LSA solution),three (3) 33 GPH at 92 ft TDH chemical feed pumps with analog control (intended for MicroC), piping, and controls; two (2) new 80 GPM at 50 ft TDH LSA transfer pumps, piping and controls: demolition of Digester #2 mixer and existing air diffuser system; installation of new extended air diffuser system array in Digester #2, piping, and controls; installation of three (3) new conveyor segments rated for 70 ft3/hr and expansion of container area to facilitate load out of dewatered solids into multiple containers and controls; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environmental Quality. State of North Carolina I Environmental Quality I Water Resources 1617 Mail service Center I Raleigh,North Carolina 27699-1617 Location:512 N.Salisbury St.Raleigh,North Carolina 27604,Archdale Building 9th Floor. Phone 919 807 6300 /Fax.919 807 9489 ' r`�c Mr. Charles Simmons,Town Manager February 26,2016 Page 2 of 3 This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No. NC0063096 issued effective December 1, 2015, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0063096. 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 Raleigh Regional Office,telephone number(919) 791 -4200, 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, this Authorization to Construct and the approved plans and specifications. Mail the Certification to: Division of Water Resources, WQ Permitting Section—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 approved 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 Mr. Charles Simmons, Town Manager • February 26, 2016 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. Failure to abide by the requirements contained in this Authorization to Construct may subject the Permittee to an enforcement action by the Division 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 andall 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, P., C/t''l,i!t,Gc+"(] r S. Jay " immerman Director, Division of Water Resources cc: Benjamin Palmer, P.E. Davis, Martin, Powell &Associates, Inc. 6415 Old Plank Road High Point,NC 27265 DWR/Raleigh Regional Office, Water Quality Programs Central Files NPDES File Without Engineer's Certificate attached: Wake County Health Department Town of Holly Springs Utley Creek WRF Authorization to Construct No. 063096A03 Issued February 26, 2016 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 Utley Creek Water Reclamation Facility, located in Wake County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: • This authorization results in an increase in design and permitted capacity to 6.0 MGD, and is awarded for the construction of the following specific modifications: Relocation of permitted outfall approximately 500 feet downstream from the existing Utley Creek outfall including the installation of new post cascade aeration basin and effluent meter,relocation of effluent composite sampler,piping, and controls; demolition of retired effluent cascade aerator basin; installation of new chemical storage/containment facility consisting of two (2) 400 gallon day tanks, one each for LSA and MicroC , with containment basin,two (2) 33 GPH at 92 ft TDH chemical feed pumps with analog control (intended for LSA solution), three (3) 33 GPH at 92 ft TDH chemical feed pumps with analog control (intended for MicroC), piping, and controls; two (2) new 80 GPM at 50 ft TDH LSA transfer pumps, piping and controls: demolition of Digester #2 mixer and existing air diffuser system; installation of new extended air diffuser system array in Digester #2, piping, and controls; installation of three (3) new conveyor segments rated for 70 ft3/hr and expansion of container area to facilitate load out of dewatered solids into multiple containers and controls; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by 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. i Date Mail this Certification to: Attn: Ron Berry SEAL Complex Permitting Unit DEQ/DWR/Water Quality Programs / 1617 Mail Service Center Raleigh,NC 27699-1617