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HomeMy WebLinkAboutNC0024201_Authorization to construct_19951130State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director November 30, 1995 Mr. G. Macon Reavis, Jr., Superintendent Roanoke Rapids Sanitary District P. O. Box 308 Roanoke Rapids, North Carolina 27870 SUBJECT: Dear Mr. Reavis: kVA " 1E)EHNR Roanoke Rapids Sanitary District Permit No. NC0024201 Authorization to Construct Wastewater Treatment Facility Improvements Project No. SBF-T-95-0021 Halifax County The final plans and specifications for the subject project have been reviewed and found to be satisfactory. Authorization is hereby granted for the construction of improvements to the existing 8.34 MGD Roanoke River Wastewater Treatment Plant to consist of providing electric actuators for sluice gates at the existing influent diversion box and effluent pump station; a new vortex -type grit removal unit; two (2) new 1,500 SCFM blowers replacing two (2) of the four (4) existing blower units to upgrade blower capacity; addition of a new air header; chlorine contact tank for disinfection, and storage and feed facilities for chlorine; sulfur dioxide storage and feed facilities for dechlorination; replacement of two (2) of the existing effluent pumps with new 5,500. GPM submersible pumps to match influent pump capacity; 2,000 SF expansion of the existing laboratory/operations building; 1,000 GPM stormwater pump station; dual 150 GPM pumps for recirculating effluent water to the spray bar system of the final clarifiers for scum control; an 85 GPM sanitary waste pump station; new curb and gutter for spill containment at existing sludge tank truck loading station; plant sidewalk and road repairs; SCADA system for process monitoring; and all associated site work, yard piping and electrical work. P.O. Box 29535. Raleigh. North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper PAGE 2 The Permittee shall employ an actively State certified wastewater treatment plant operator to be in responsible charge of the wastewater treatment facilities. Such operator must hold a valid State Certificate of the grade at least equivalent to the classification assigned to the wastewater treatment facilities by the Certification Commission. When a new chief operator must be obtained to be in responsible charge of the new facilities, it is required that this be done by the time the construction of the facilities is 50% complete. The Authorization -to -Construct is issued in accordance with Part III, Paragraph C of NPDES Permit No. NC0024201, issued January 29, 1993 and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the approved plans, specifications, and supporting documents; and are in compliance with the conditions and limitations specified in Permit No. NC0024201. The Permittee shall have an acceptable sludge analysis and a sludge toxicity analysis which have been approved by the Division of Environmental Management, Water Quality Section prior to the disposal of any sludge from the new wastewater treatment plant. Copies of the analyses, supporting documents, and approvals shall be submitted to the Division of Environmental Management's Raleigh Regional Office. • The disposing, selling or free distribution of wet, dried, composted sludge or sludge -like materials from wastewater facilities without prior review and approval by this Division is illegal. 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. One (1) set of fmal approved plans and specifications is to be forwarded to you for your files. The copy of the approved plans and specifications shall be maintained on file by the Owner for the life of the project. 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 approved plans and specifications. Mail the Certification to the Permits and Engineering Unit, P. O. Box 29535, Raleigh, North Carolina 27626-0535. (Engineer's Certification Form is attached.) PAGE 3 If you have any questions or need additional information, please contact Mr. Bill Hoffman, at (919) 715-6220. Sincerely, Preston Attachment RPT:vk cc: Piedmont Olsen Hensley Mr. Don Safrit Raleigh Regional Office Mr. Tom Fahnestock Mr. Don Evans Ms. Valerie Lancaster Mr. Robert Teulings Ms. Kim Brantley DMU SBF oivard, Jr., P.E.