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HomeMy WebLinkAboutNC0050661_Authorization to Construct_20241010Docusign Envelope ID: 39CC6F75-459A-4FF7-857F-EE9BE13A366E i3OY COOPER c,overnor MARY PENNY KELLEY SErrfitoy RICHARD E. ROGERS, IR. Director NORTH CAROLINA free MFUMrRMI QUI31fry October 10, 2024 Michael Speight, Mayor Town of Macclesfield P.O. Box 185 Macclesfield, North Carolina Click 27852 SUBJECT: Authorization to Construct A to C No. 050661A04 Town of Macclesfield Town of Macclesfield WWTP NPDES Permit No. NCO050661 DWI Project NO. VUR-W-ARP-0016, and SRF C3 70605-02 Dear Mr. Speight: A letter of request for an Authorization to Construct was received February 29, 2024, by the Division of Water Resources (Division). With additional information received on October 10, 2024, 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 0.175 MGD, Town of Macclesfield WWTP, with discharge of treated wastewater into the Briery Branch in the Tar -Pamlico river Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: • One (1) influent pump station with Two (2) 650 GPM @ 36.4 ft TDH submersible PUMPS. • One (1) 0.936 MGD mechanical bar screen, one (1) 0.936 MGD manual bar screen, one (1) 0.936 MGD gravity grit removal system. • One (1) 244,387gallon oxidation ditch basin. • One (1) 40,605 gallon (24 ft diameter by 12 ft side depth) circular secondary clarifier. • Two (2) 64 SQFT tertiary gravity filters. • One (1) chemical feed building with three (3) 0.026 GPM @ 231 ft TDH diaphragm chlorination feed pumps and two (2) 0.0055 GPM @ 231 ft TDH diaphragm dechlorination feed pumps. • All necessary piping and controls (if applicable); in conformity with the project plans, specifications, and other supporting documentation comprising the ATC Permit Application package submitted to the Department of Environmental Quality. QE North CuoIra Deputa tofElav+ �,na,rnt Q1�y I Dnai mofWdaResomes �� 512North Salisbm7Street 1 16 11 Mul Savice Cade I R;lhi North Cmaluw27699.1611 4NORT�HCNORTHCAROLINA */ 919.7079000 Nweo Uepeltmem m Environmental Qual\ Docusign Envelope ID: 39CC6F75-459A-4FF7-857F-EE9BE13A366E LYll V11GL41 "F V-&-, LY1_Yw. October 10, 2024 Page 2 of 3 This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No. NCO050661 issued effective March 1, 2020 and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0050661. 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 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 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 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. The Engineer's Certification form is included with this submittal. 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. All ORC site inspections must be documented in a log to be on -site and available for review at all times. A copy of the project plans and specifications shall be maintained on file by the Permittee for the life of the facility. Docusign Envelope ID: 39CC6F75-459A-4FF7-857F-EE9BE13A366E LYll V11GL41 "F V-&-, LY1-yw. October 10, 2024 Page 3 of 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 compliance 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 Ori Tuvia at telephone number 704-235-2190 or by email at Ori.tuvia@deq.nc.gov. Sincerely, DOCUSigned by: Lw- 7900A4FBFCA14FD... by Nick Coco, PE Environmental Program Supervisor Division of Water Resources cc: NPDES Files Edgecombe County Health e-copy: Richard Moore, PE, McDavid Associates, Inc. Email: rbm@mcdavid-inc.com. DWR Raleigh Regional Office, Water Quality Programs DWI/ Suzane Martin Docusign Envelope ID: 39CC6F75-459A-4FF7-857F-EE9BE13A366E Town of Macclesfield Town of Macclesfield WWTP Authorization to Construct No. 05066IA04 Issued October 10, 2024 NPDES Permit No. NC0050661 Engineer's Certification ❑ Final Engineering Certification / ❑ Partial Engineering Certification (mark all that apply) 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 Macclesfield Wastewater Treatment Plant, located in Edgecombe County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction of : ❑ One (1) influent pump station with Two (2) 650 GPM @ 36.4 ft TDH submersible pumps. ❑ One (1) 0.936 MGD mechanical bar screen, one (1) 0.936 MGD manual bar screen, one (1) 0.936 MGD gravity grit removal system. ❑ One (1) 244,387gallon oxidation ditch basin. ❑ One (1) 40,605 gallon (24 ft diameter by 12 ft side depth) circular secondary clarifier. ❑ Two (2) 64 SQFT tertiary gravity filters. ❑ One (1) chemical feed building with three (3) 0.026 GPM @ 231 ft TDH diaphragm chlorination feed pumps and two (2) 0.0055 GPM @ 231 ft TDH diaphragm dechlorination feed pumps ❑ All necessary piping and controls (if applicable); 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 substantia 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: Ori Tuvia NPDES Industrial Permitting Unit DEQ/DWR/Water Quality Programs SEAL 1617 Mail Service Center Raleigh, NC 27699-1617