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HomeMy WebLinkAboutNC0065684_Authorization to Construct_19900716r e �dra 4/1ij o� State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management 512 North Salisbury Street • Raleigh, North Carolina 27611 James G. Martin, Governor George T. Everett, Ph.D. William W. Cobey, Jr., Secretary Director Mr. Carroll Weber July 16, 1990 Mid South Water Systems, Incorporated Post Office Box 127 Sherrills Ford, North Carolina 28673 Subject: Permit No. NCO065684 Authorization to Construct Country Woods II Wastewater Treatment Facility Union County Dear Mr. Weber: A letter of request for an Authorization to Construct was received April 5, 1990 by the 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 of a 120,000 gpd expansion for a total wastewater treatment capacity of 210,000 gpd. The expansion consists of approximately 65 linear feet of 8 inch inlet line, a 9.0 sf manual bar screen, a 42,000 gallon flow equalization tank with a 120 cfm blower and dual 200 gpm pumps, a 120,000 gallon aeration basin with two 530 cfm (20 hp) blowers, two (2) hopper type clarifiers each 12 feet by 24 feet, four (4) 4 inch sludge return air lifts, four (4) 2.5 inch scum return airlifts, a 2,500 gallon chlorine contact tank with three tablet type chlorinators, an 11,500 gallon clearwell with dual 1,050 gpm backwash pumps, two (2) tertiary filters each with a surface area of 70 sf, a 105 cfm (3 hp) blower, an 11,400 gallon mudwell with dual 40 gpm pumps, an 18,000 gallon aerated sludge holding tank and all the associated valves, piping, and appurtenances with discharge of treated wastewater into Goose Creek classified C waters. This Authorization to Construct is issued in accordance with Part III paragraph B of NPDES Permit No. NCO065684 issued April 4, 1988, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0065684. 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 North Carolina Division of Environmental Management. 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 this Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. Pollution Prevention Pays P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015 An Equal Opportunity Affirmative Action Employer Mr. Weber July 16, 1990 Page Two The Mooresville Regional Office, phone no. (704) 663-1699 be notified at least forty-eight (48) hours in advance of operation of the installed facilities so that an in -place 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 the Permits. and Engineering Unit, P.O. Box 27687, Raleigh, NC 27611. The Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge of the wastewater treatment facilities. The operator must hold a certificate of the grade at least equivalent to the classification assigned to the wastewater treatment facilities by the Certification Commission. Within thirty days after the wastewater treatment facilities are 50% complete, the Permittee must submit a letter to the Certification Commission which designates the operator in responsible charge. A copy 'of the approved plans and specifications shall be maintained on file by the Permittee for the life of the facility.. The sand media of the tertiary filters must comply with the Division's sand specifications. The engineer's certification will be evidence that this certification has been met. Failure to abide by the requirements contained in this Authorization to Construct may subject the Permittee to an enforcement action by the Division of Environmental Management in accordance with North Carolina General Statute 143-215.6. 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 M-M—ark"i'Hwtelephone number 919[733-5083. Sincerely, George T. Ever cc: Union County Health Department Mooresville Regional Office Land Design Engineering Services, Inc. Training and Certification Unit