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HomeMy WebLinkAboutNC0021881_Authorization to Construct_20070911NPDES DOCUMENT :MANNINO COVER SHEET NC0021881 Lake Waccamaw WWTP NPDES Permit: Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) • Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: September 11, 2007 This document is printed on reuse paper - ignore any content on the reYerse'side Town of Lake Waccamaw A To C No. 021881A01 Issued September 11, 2006 Neooaial Engineer's Certification 1, G 1--t A R L._E! t f )1(C.ASCy,las 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 Lake Waccamaw WWTP, located on NCSR 1901, west of Lake Waccamaw in Columbus County for the Town or Lake Waccamaw, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: replacement of existing gas chlorine disinfection and dechlorination system with a new liquid injection system consisting of two 500-gallon tanks, flow paced feed system consisting of two sodium hypochiorite and two dechlorination chemical feed pumps, three new 1-HP agitator pumps, and all associated appurtenances , site work, and related electrical work, in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. I certify that the construction of the above referenced project was observed to be built within substantial com liance and int t of the approved plans and specifications. Signature li )uu Date 107 J I C� j Send to: Registration No. 7- <.- 1 f Construction Grants & Loans DENR/DWQ 1633 Mail Service Center Raleigh, NC 27699-1633 S E P 1 1 2007 DENR - WATER QUALITY POINT SOURCE BRANCH n/4!10:10711‘\ (:-( SEAL 122Ar ilii:l•'(: Internet: Mr. Darren Currie, Town Manager Town of Lake. Waccamaw P O Box 145 Lake Waccamaw, NC 28450 Michael F. Easley. Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality September 11, 2006 SUBJECT: Authorization to Construct ATC No. 021881A01 Town of Lake Waccamaw Lake Waccamaw WWTP Columbus County Dear Mr. Currie: A letter of request for Authorization to Construct was received July 26, 2006, 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 modifications to the existing 0.5 MGD Lake Waccamaw Wastewater Treatment Plant, with discharge of treated wastewater into the unnamed tributary of Bogue Swamp in the Lumber River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: replacement of existing gas chlorine disinfection and dechlorination system with a new liquid injection system consisting of two 500-gallon tanks, flow paced feed system consisting of two sodium hypochlorite and two dechlorination chemical feed pumps, three new 1-HP agitator pumps, and all associated appurtenances , site work, and related electrical work, in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources. This Authorization to Construct is issued in accordance with Part III, Paragraph A of NPDES Permit No. NC0021881 issued May 19, 2005, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0021881. 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 Water Quality. 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 NhCarolina Voafura!!j North Carolina Division of Water Quality 1617 Mail Service Center Raleigh. NC 27699-1617 Phone (919) 733-7015 Customer Service 512 N. Salisbury St. Raleigh. NC 27604 FAX (919) 733-2496 1-877-623-6748 An Equal opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper Mr. Darren Currie, Town Manager September 11, 2006 Page 2 be required by this Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. The Wilmington Regional Office, telephone number (910) 796-7215, 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, this Authorization to Construct and the approved plans and specifications. Mail the Certification to Cecil G. Madden, Jr., P.E., Construction Grants & Loans, DWQ / DENR, 1633 Mail Service Center, Raleigh, NC 27699- 1633. 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 T 15A:8G.0202. A copy of the approved 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. Mr. Darren Currie, Town Manager September 11, 2006 Page 3 Failure to abide by the requirements contained in this Authorization to Construct may subject the Permittee to an enforcement action by the Division of Water Quality in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. The issuance of this Authorization to Constnict 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 Cecil G. Madden, Jr., P.E. at telephone number (919) 715-6203. Sincerely Alan W. Klimek, P.E ID:cgm cc: David Dickenson, P.E., Engineering Services, P.A. Columbus County Health Department DWQ Wilmington Regional Office, Surface Water Protection Technical Assistance and Certification Unit Daniel Blaisdell, P.E. Point Source Branch, NPDES Program Cecil G. Madden, Jr., P.E. Ishwar Devkota, P.E. A to C File