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HomeMy WebLinkAboutNC0021547_Authorization to Construct_20111007NPDES DOCUMENT SCANNING COVER SHEET NPDES Permit: NC0021547 Franklin WWTP Document Type: Permit Issuance Wasteload Allocation 7 Authorization to Construct tlC) +4HhaM/M4?7o0.?dvf<...,0�t�p_,„:mot-, Permit Modification Complete File - Historical Compliance Speculative Limits Instream Assessment (67b) Environmental Assessment (EA) Permit History Document Date: October 7, 2011 This document is printed on reuse paper - ignore any content on the reYerse side ATA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Dee Freeman Governor Director Secretary October 7, 2011 Mr. Sam Greenwood, Town Manager Town of Franklin 95 East Main Street Franklin, North Carolina 28734 SUBJECT: Authorization to Construct A to C No. 021547A02 Town of Franklin Wastewater Treatment Plant Improvements Macon County SRF No. CS370524-03 Dear Mr. Greenwood: A letter of request for an Authorization to Construct was received July 27, 2011, by the Division of Water Quality (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 1.65 MGD Town of Franklin Wastewater Treatment Plant, with discharge of treated wastewater into the Little Tennessee River in the Little Tennessee River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: Improvements to the Town of Franklin wastewater treatment plant, to include construction of a new headworks structure, to include a mechanical band screen rated for 6.1 MGD peak flow and an aerated grit removal system rated for 6.1 MGD peak flow; a new 1.5 MG flow equalization basin with electrically -controlled effluent flow valve, coarse bubble diffuser system and three (3) 1,110 scfm blowers; an influent flowmeter; a 1.0 MG aerobic digester with fine bubble diffuser system and three (3) 1,340 scfin blowers; a sewerage receiving station; control system and improvements to the existing blower building; a WWTP drain sump pump station consisting of dual 350 gpm pumps; a 80 kW emergency generator; and including all associated instrumentation and controls, electrical work, site work, and yard piping; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807-63001 FAX: 919-807-64921 Customer Service:1-877-23-6748 Internet: www.ncwaterquality.org An Equal Opportunity 1 Affirmative Action Employer North Carolina Naturally Mr. Sam Greenwood, Town Manager October 7, 2011 Page 2 This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No. NC0021547 issued September 24, 2007, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0021547. 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, this Authorization to Construct and the approved plans•and specifications. Mail the Certification to: 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 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. Mr. Sam Greenwood, Town Manager October 7, 2011 Page 3 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. 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 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 Seth Robertson, P.E. at telephone number (919) 715-6206. Sincerely, &:gb Coleen H. Sullins kp:sr cc: Michael J. Waresak, P.E., McGill Associates, P.A., 55 Broad Street, Asheville, NC 28801 Macon County Health Department DWQ Asheville Regional Office, Surface Water Protection DWQ, Technical Assistance and Certification Unit DWQ, Point Source Branch, NPDES Program Ken Pohlig, P.E. SRF File Town of Franklin Wastewater Treatment Plant Improvements A To C No. 021547A02 Issued October 7, 2011 SRF No. CS370524-03 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 Town of Franklin WWTP, located off NCSR 1324 in Macon County for the Town of Franklin, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: Improvements to the Town of Franklin wastewater treatment plant, to include construction of a new headworks structure, to include a mechanical band screen rated for 6.1 MGD peak flow and an aerated grit removal system rated for 6.1 MGD peak flow; a new 1.5 MG flow equalization basin with electrically - controlled effluent flow valve, coarse bubble diffuser system and three (3) 1,110 scfm blowers; an influent flowmeter; a 1.0 MG aerobic digester with fme bubble diffuser system and three (3) 1,340 scfm blowers; a sewerage receiving station; control system and improvements to the existing blower building; a WWTP drain sump pump station consisting of dual 350 gpm pumps; a 80 kW emergency generator; and including all associated instrumentation and controls, electrical work, site work, and yard piping; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. I certify that the construction of the above referenced project was observed to be built within substantial compliance and intent of the approved plans and specifications. Signature Registration No. Date Mail this Certification to: Attn: Ken Pohlig, P.E. Construction Grants & Loans DENR/DWQ 1633 Mail Service Center Raleigh, NC 27699-1633