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HomeMy WebLinkAboutNC0041386_Authorization to Construct_20170627Water Resources ENVIRONMENTAL QUALITY June 27, 2017 Mr. Robert Peele Director Wanchese Marine Industrial Park P. O. Box 549 Wanchese, North Carolina 27981 Dear Mr. Peele: ROY COOPER Gol elwol MICHAEL S. REGAN Scmwl, , S. JAY ZIMMERMAN Dil ecro SUBJECT: Authorization to Construct A to C No. 041386A01 NC Department of Commerce Wanchese Seafood Industrial Park WWTP A letter of request for an Authorization to Construct was received February 25, 2016, by the Division of Water Resources (Division), however, the request was unable to be processed until the appropriate NPDES permit modification was issued. The required NPDES permit modification was issued April 19, 2017. 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 for a domestic -based 0.0135 MGD facility at Wanchese Seafood Industrial Park, with discharge of treated wastewater into the Mill Landing Creek in the Pasquotank River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: The repurposing of the existing domestic 0.0135 MGD MBR treatment facility consisting of an influent pump station with two (2) 100 GPM at 35 ft TDH submersible pumps; influent flow meter, piping, and controls; two (2) rotating drum screens rated for 142 GPM, piping, and controls; flow distribution box; one (1) 8,917 gallon pre -EQ tank with air diffuser array, two (2) 35 GPM at 12 ft TDH pre- EQ submersible transfer pumps, two (2) 20 SCFM at 5 psi pre -EQ blowers, piping, and controls; two (2) 1,773 gallon pre -Anoxic tanks each with a submerged mixer; two (2) 3,381 gallon intermittent Aeration tanks each with a submerged mixer, an air diffuser array, a 140 GPM at 30 ft TDH mixed liquid return pump, two (2) shared 65 SCFM at 4 psi air diffuser blowers, piping, and controls; two (2) 1,018 gallon secondary Anoxic tanks each with a submerged mixer; two (2) 2,200 gallon membrane tanks each with a 484 ft' membrane module, an air scour grid, a 175 GPM at 30 ft TDH mixed liquid forward pump, two (2) shared 35 GPM at 40 ft TDH permeate pumps, two (2) shared 90 SCFM at 5 psi scour blowers, piping, and controls; one (1) 80 gallon gravity feed clean -in- place tank, piping, and controls; two (2) drum -based chemical feed systems consisting of 0.55 GPH at 235 psi feed pumps, piping, and controls; one (1) lime slurry feed system consisting of a 132 gallon mix tank with variable speed mixer, a 68 GPH at 174 psig slurry metering pump, piping, and controls; one (1) 3,250 gallon Aerobic digester State of North Carolina j Environ rental Quality I Water Resources 512 N. Salisbury Street 11612 Mail service Center I Raleigh, North Carolina 27699-1612 Phone: 919 807 6464 Mr. Robert Peele, Director Wanchese Marine Industrial Park June 27, 2017 Page 2 of 3 with air diffuser array, two (2) 120 GPM at 15 ft TDH sludge wasting submersible pumps, piping, and controls; effluent meter; two (2) UV units, each unit rated to disinfect 35 GPM at 65% transmissivity, 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. NC00413816 issued effective June 1, 2017, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0041386. 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 Washington Regional Office, telephone number (252) 946 - 6481, 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 facility at least daily, excluding Mr. Robert Peele, Director Wanchese Marine Industrial Park June 27, 2017 Page 3 of 3 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. 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 Ron Berry at telephone number (919) 807-6396. Sincerely, Jay Zimmerman, P.G. Director, Division of Water Resources With Engineer's Certificate attached: cc: DWR Washington Regional Office, Water Quality Programs Central Files ecopy: Jeffrey Cappadona, P.E. Cavanaugh & Associates, P.A. Email: jeffrey.cappadona@cavanaughsolutions.com NPDES File Without Engineer's Certificate attached: cc: Dare County Health North Carolina Department of Commerce Wanchese Seafood Industrial Park WWTP Authorization to Construct No.041386A01 Issued June 27, 2017 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 Wanchese Seafood Industrial Park Wastewater Treatment Plant, located in Dare County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: The repurposing of the existing domestic 0.0135 MGD MBR treatment facility consisting of an influent pump station with two (2) 100 GPM at 35 ft TDH submersible pumps; influent flow meter, piping, and controls; two (2) rotating drum screens rated for 142 GPM, piping, and controls; flow distribution box; one (1) 8,917 gallon pre -EQ tank with air diffuser array, two (2) 35 GPM at 12 ft TDH pre- EQ submersible transfer pumps, two (2) 20 SUM at 5 psi pre -EQ blowers, piping, and controls; two (2) 1,773 gallon pre -Anoxic tanks each with a submerged mixer; two (2) 3,381 gallon intermittent Aeration tanks each with a submerged mixer, an air diffuser array, a 140 GPM at 30 ft TDH mixed liquid return pump, two (2) shared 65 SCFM at 4 psi air diffuser blowers, piping, and controls; two (2) 1,018 gallon secondary Anoxic tanks each with a submerged mixer; two (2) 2,200 gallon membrane tanks each with a 484 ft2 membrane module, an air scour grid, a 175 GPM at 30 ft TDH mixed liquid forward pump, two (2) shared 35 GPM at 40 ft TDH permeate pumps, two (2) shared 90 SUM at 5 psi scour blowers, piping, and controls; one (1) 80 gallon gravity feed clean -in-place tank, piping, and controls; two (2) drum -based chemical feed systems consisting of 0.55 GPH at 235 psi feed pumps, piping, and controls; one (1) lime slurry feed system consisting of a 132 gallon mix tank with variable speed mixer, a 68 GPH at 174 psig slurry metering pump, piping, and controls; one (1) 3,250 gallon Aerobic digester with air diffuser array, two (2) 120 GPM at 15 ft TDH sludge wasting submersible pumps, piping, and controls; effluent meter; two (2) UV units, each unit rated to disinfect 35 GPM at 65% transmissivity, 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. 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 Date Registration No. Mail this Certification to: Attn: Ron Berry Complex Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh, NC 27699-1617