Loading...
HomeMy WebLinkAboutNC0070408_Authorization to Construct_20220331DocuSign Envelope ID: FF07E646-7BAE-4EE7-9BE5-EF009D371714 ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Ron Sayles, Manager Clevon Woods Associates, LLP PO Box 1686 Clemmons, NC 27012 Dear Mr. Sayles: NORTH CAROLINA Environmental Quality March 31, 2022 SUBJECT: Authorization to Construct A to C No. 070408A01 Clevon Woods Associates, LLP Clevon Woods WWTP NPDES Permit No. NC0070408 A letter of request for an Authorization to Construct was received November 22, 2021, by the Division of Water Resources (Division). With additional information received March 3, 2022, final plans and specifications for the subject project have been reviewed and found to be satisfactory. Authorization is hereby granted for the construction of the Clevon Woods WWTP, with discharge of treated wastewater into Watauga River of the Watauga River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: Construction of a duplex influent pump station with two (2) 55 GPM grinder pumps; installation of one (1) dual train steel fabricated activated sludge biological package treatment plant which includes one (1) 0.5 MGD manual bar screen, one (1) 8,079 gallon flow equalization tank with two (2) submersible 105 GPM discharge pumps, two (2) steel 26,561-gallon aeration basins with two (2) 259 CFM positive displacement blowers, two (2) 100 square -foot secondary clarifiers with 10 feet side water depth and two (2) 55 GPM discharge pumps, two (2) 11.9 square foot tertiary media filters with two (2) 262 GPM backwash pumps and one (1) 50 CFM air scouring blower, one (1) 7,817-gallon secondary clarifier, and one (1) 884 gallon post - aeration basin; installation of two (2) 87,500 GPD UV disinfection units in parallel, approximately 243 LF of 8-inch HDPE gravity effluent discharge pipe, one (1) 5,680 gallons sludge holding tank with two (2) return activated sludge air lift pumps; and installation of all necessary 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. NC0070408 issued effective December 1, 2018 and shall be subject to revocation unless the D_E') Q NORTH CAROLINA Department of Environmental Duality 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 919.707.9000 DocuSign Envelope ID: FF07E646-7BAE-4EE7-9BE5-EF009D371714 Mr. Ron Sayles, Manager March 31, 2022 Page 2 of 3 wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0070408. 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 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 Winston-Salem Regional Office, telephone number (336) 776 - 9800, 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:8G.0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III, and IV facilities 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. DocuSign Envelope ID: FF07E646-7BAE-4EE7-9BE5-EF009D371714 Mr. Ron Sayles, Manager March 31, 2022 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 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 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 Julia Byrd at telephone number (919) 707-3707 or by email at julia.byrd@ncdenr.gov. Sincerely, DocuSigned by: B0B410C9F6204F7... for Richard E. Rogers, Jr. Director, Division of Water Resources by Min Xiao, PE NPDES Industrial Permitting Unit With Engineer's Certificate attached: cc: NPDES Files ecopy: Mark Brooks, PE Brooks Engineering Associates, P.A. Email: mbrooks@brooksea.com DWR Winston-Salem Regional Office, Water Quality Programs Without Engineer's Certificate attached: cc: Watauga County Health