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HomeMy WebLinkAboutNC0059200_Authorization to Construct_20150724 46172S) NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Donald R. van der Vaart Governor Secretary July 24, 2015 S. C. Culbreth Managing Member/CEO Trillium Links &Village, LLC 1 Trillium Center Cashiers,North Carolina 28717 SUBJECT: Authorization to Construct A to C No. 059200A02 Trillium Links &Village, LLC Trillium Links &Village WWTP Dear Mr. Culbreth: • A letter of request for a new Non-Discharge Permit and Authorization to Construct for a new combined NPDES and Non-Discharge treatment facility replacing the existing permitted 0.04 MGD NPDES treatment facility was received January 8, 2015, by the Division of Water Resources (Division) Non-Discharge Permitting Unit. The NPDES design capacity will remain at 0.04 MGD. Final revised plans and specifications for the subject treatment facility project have been reviewed by the NPDES Permitting Unit and found to be satisfactory for meeting NPDES permit requirements. Additional Non-Discharge treatment criterion and other construction approvals will be addressed in the issued Non-Discharge Permit. Authorization is hereby granted for the construction of modification to the existing Trillium Links & Village WWTP, with discharge of treated wastewater into the unnamed tributary into Hurricane Creek 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: Demolition of existing bar screen system and replacement with new 2 mm opening mechanical bar screen system rated for 175 GPM, piping, and controls; refurbishment of existing EQ/sludge holding/splitter box tank to new EQ tank system (one new section 7,500 gallons, one new section 21,300 gallons) with new drop down diffusers, piping, and controls; installation of two (2) new 83 GPM at 22.5 ft TDH self-priming /self-cleaning centrifugal EQ pumps, piping, and controls; demolition of existing clarifiers, filters, post aeration chambers, chlorine contact chamber, tablet chlorinator, and tablet de-chlorinator; repurposing/refurbishment of one (1) extended aeration tanks to install a 6,670 gallon Stage 1 Anoxic chamber with new submerged mixer, a 6,500 gallon Oxic chamber with new air diffusers and new submerged 460 GPM at 9.5 ft TDH recycle pump, a 5,630 gallon Stage 2 Anoxic chamber with new submerged mixer and new submerged 515 GPM at 7.5 ft TDH 1617 Mail Service Center,Raleigh,North Carolina 27699-1617 Location:512 N.Salisbury St.Raleigh,North Carolina 27604 Phone:919-807-63001 Fax:919-807-6494 Internet:www.ncdenr.gov An Equal OpportunitytAffirmative Action Employer S.C. Culbreth,Managing Member/CEO r " July 24, 2015 Page 2 of 4 sludge return pump, a 10,590 gallons sludge holding/dewatering chamber with two new(2) 241 ft2 ultrafiltration membrane modules with aeration tubes, air diffusers, piping, and controls; repurposing/refurbishment of one (1) extended aeration tanks to install a 6,670 gallon Stage 1 Anoxic chamber with new submerged mixer, a 6,500 gallon Oxic chamber with new air diffusers and new submerged 460 GPM at 9.5 ft TDH recycle pump, a 5,630 gallon Stage 2 Anoxic chamber with new submerged mixer and new submerged 515 GPM at 7.5 ft TDH sludge return pump, dual 5,285 gallons MBR chambers with each chamber consisting of two (2) new double stacked MBR modules, surface area per individual stack unit of 812 ft2 (Phase II will add one (1) additional new double stack MBR module to each chamber), with aeration tubes and MBR cleaning system, piping, and controls; a spare 515 GPM at 7.5 ft TDH sludge return pump; installation of two (2) new 1 GPM at 10 ft TDH with 6 ft water suction lift sludge permeate pumps, piping, and controls; installation of two (2) new 71 GPM at nominal 20 psig TDH self-priming MBR permeate pumps, effluent flow meter/recorder, piping, and controls; installation of two (2) new dual channel UV disinfection system, each UV system rated for disinfection of 104,000 GPD with alarm system, piping, and controls; installation of three (3) new 205 CFM blowers at 5.5 psig and one (1) 135 CFM blower at 5.5 psig, piping, and controls: installation of a new SCADA system; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No. NC0059200 issued effective May 1, 2013, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0059200. 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: NPDES Unit, DWR/DENR, 1617 Mail Service Center, Raleigh,NC 27699-1617. S.C. Culbreth,Managing Member/CEO July 24,2015 Page 3 of 4 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. :r. yd 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. S.C. Culbreth,Managing Member/CEO July 24,2015 Page 4 of 4 If you have any questions or need additional information, please contact Ron Berry at telephone number(919) 807-6396. Sincerely P-crhi eg S. Jay Zimmerman,P.G. Director, Division of Water Resources cc: Robert G. Burgin,Jr., P.E. Burgin Engineering Inc. P. O. Box 1804 Irmo, SC 26063-1804 DWR/Asheville Regional Office, Water Quality Programs Central Files NPDES File Without Engineer's Certificate attached: Jackson County Health Department ecopy: Robert G.Burgin,Jr., P.E. RGB@burginengineeringinc.com Non-Discharge Permitting Unit/Chonticha McDaniel Trillium Links &Village, LLC Trillium Links &Village WWTP Authorization to Construct No. 059200A02 Issued July 25, 2015 Engineer's Certification ,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 Trillium Links &Village Wastewater Treatment Plant, located in Jackson 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 no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: Demolition of existing bar screen system and replacement with new 2 mm opening mechanical bar screen system rated for 175 GPM, piping, and controls; refurbishment of existing EQ/sludge holding/splitter box tank to new EQ tank system (one new section 7,500 gallons, one new section 21,300 gallons) with new drop down diffusers, piping, and controls; installation of two (2) new 83 GPM at 22.5 ft TDH self-priming /self-cleaning centrifugal EQ pumps, piping, and controls; demolition of existing clarifiers, filters, post aeration chambers, chlorine contact chamber, tablet chlorinator, and tablet de-chlorinator; repurposing/refurbishment of one (1) extended aeration tanks to install a 6,670 gallon Stage 1 Anoxic chamber with new submerged mixer, a 6,500 gallon Oxic chamber with new air diffusers and new submerged 460 GPM at 9.5 ft TDH recycle pump, a 5,630 gallon Stage 2 Anoxic chamber with new submerged mixer and new submerged 515 GPM at 7.5 ft TDH sludge return pump, a 10,590 gallons sludge holding/dewatering chamber with two new (2) 241 ft2 ultrafiltration membrane modules with aeration tubes, air diffusers, piping, and controls; repurposing/refurbishment of one (1) extended aeration tanks to install a 6,670 gallon Stage 1 Anoxic chamber with new submerged mixer, a 6,500 gallon Oxic chamber with new air diffusers and new submerged 460 GPM at 9.5 ft TDH recycle pump, a 5,630 gallon Stage 2 Anoxic chamber with new submerged mixer and new submerged 515 GPM at 7.5 ft TDH sludge return pump, dual 5,285 gallons MBR chambers with each chamber consisting of two (2) new double stacked MBR modules, surface area per individual stack unit of 812 ft2 (Phase II will add one (1) additional new double stack MBR module to each chamber), with aeration tubes and MBR cleaning system, piping, and controls; a spare 515 GPM at 7.5 ft TDH sludge return pump; installation of two (2) new 1 GPM at 10 ft TDH with 6 ft water suction lift sludge permeate pumps, piping, and controls; installation of two (2) new 71 GPM at nominal 20 psig TDH self-priming MBR permeate pumps, effluent flow meter/recorder, piping, and controls; installation of two (2) new dual channel UV disinfection system, each UV system rated for disinfection of 104,000 GPD with alarm system, piping, and controls; installation of three (3) new 205 CFM blowers at 5.5 psig and one (1) 135 CFM blower at 5.5 psig, piping, and controls: installation of a new SCADA system; in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. • Trillium Links&Village, LLC Authorization to Construct No. 059200A02 Page 2 of 2 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 r y Mail this Certification to: Attn: Ron Berry SEAL Complex Permitting Unit DENR/DWR/Water Quality Programs \ 1617 Mail Service Center Raleigh,NC 27699-1617 ��