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HomeMy WebLinkAboutNC0037834_Authorization to Construct_20110912NPDES DOCUMENT 5CANNINC COVER SHEET NC0037834 Archie Elledge WWTP NPDES Permit: Document Type: Permit Issuance Wasteload Allocation, :aAuthorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Owner Name Change Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: September 12, 2011 This document iss printed on reuse paper - ignore arty content on the reYersse side 6?eIM4�i1{: nJCW37t31 City of Winston-Salem Archie Elledge WWTP A To C No. 037834A04 Issued July 18, 2008 Engineer's Certification \\C4' r •' � j SMw� 01-44 soi00$ oS I, 6a- A LAlo , as a duly registered Professional Engineer in the State of Carolina,havingfin authorized to observe (periodically/weekly/full time) the North (p Y construction of the modifications and improvements to the Archie Elledge WWTP, located on NCSR 2972 (Griffm Road) in Forsyth County for the City of Winston Salem, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: 11 New headworks structure consisting of three (3) 50 MGD mechanical bar screens, dual d J"(2) 50 MGD vortex degritters, four (4) 500 gpm, 50 Hp grit pumps, four (4) 500 gpm cyclone separators, dual (2) 40 ft3 grit classifiers, three (3) 33ft3/hour screening wash/press systems, two (2) 8,700 gpm, 300 Hp and four (4)17,400 gpm, 500 Hp influent pumps; a primary clarifier splitter structure; four (4) 120 ft diameter, 12 ft sidewater depth primary clarifiers with dual (2)1,100 gpm, 25 Hp primary clarifer drain pumps; a primary sludge pumping station with (5) 165 gpm, 20 Hp progressive cavity pumps; a headworks and primary clarifier Odor Control System; a new Control Building; dual (2) 550 gpm, 10 Hp Central Control Building drain pumps; four (4) 210 scfm, 50 psig digester gas compressors; three (3) 2,350 kW generators; and associated yard piping, electrical work and control systems, 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 compliance and intent of the approved plans and specifications. Signature �� Registration No. O i lei 7 Date 1-IL-/ Send to: Construction Grants & Loans DENR/DWQ 1633 Mail Service Center Raleigh, NC 27699-1633 ()`C W A Tj9 Michael F. Easley, Governor *G William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources 'C Coleen H. Sullins, Director Division of Water Quality July 18, 2008 Mr. David K. Saunders, P.E. Director of Utilities City of Winston-Salem PO Box 2511 Winston-Salem, North Carolina 27102 SUBJECT: Authorization to Construct A to C No. 037834A04 City of Winston-Salem Archie Elledge WWTP Forsyth County Dear Mr. Saunders: A letter of request for Authorization to Construct was received April 1, 2008, 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 30 MGD Wastewater Treatment Plant, with discharge of treated wastewater into Salem Creek in the Yadkin -Pee Dee Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: New headworks structure consisting of three (3) 50 MGD mechanical bar screens, dual (2) 50 MGD vortex degritters,3four (4) 500 gpm, 50 Hp grit pumps, four (4) 500 gpm cyclone separators, dual (2) 40 ft grit classifiers, three (3) 33 ft3/hour screening wash/press systems, two (2) 8,700 gpm, 300 Hp and four (4) 17,400 gpm, 500 Hp influent pumps; a primary clarifier splitter structure; four (4) 120 ft diameter, 12 ft sidewater depth primary clarifiers with dual (2) 1,100 gpm, 25 Hp primary clarifier drain pumps; a primary sludge pumping station with five (5) 165 gpm, 20 Hp progressive cavity pumps; a headworks and primary clarifier Odor Control System; a new Control Building; dual (2) 550 gpm, 10 Hp Central Control Building drain pumps; four (4) 210 scfm, 50 psig digester gas compressors; three (3) 2,350 kW generators; and associated yard piping, electrical work and control systems, 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. NC0037834 issued June 28, 2004, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0037834. No`r`hCarolina ,Naturally North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service Internet www.ncwateroualitv.orq 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. David K. Saunders, P.E. July 18, 2008 • Page 2 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 be required by this Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. The Winston Salem Regional Office, telephone number (336) 771-5000, 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: 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 T15A: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. Mr. David K. Saunders, P.E. July 18, 2008 Page 3 Prior to entering into any contract(s) for construction, the recipient must have obtained all applicable permits from the State. 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 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 Ken Pohlig, P.E. at telephone number (919) 715-6221. Sincerely, rColeen H. Sullins MM:kp cc: Randall D. Ashburn, P.E. — Black & Veatch International Company, Charlotte Forysyth County Health Department DWQ Winston-Salem Regional Office, Surface Water Protection Technical Assistance and Certification Unit Point Source Branch, NPDES Program Daniel Blaisdell, P.E. Ken Pohlig, P.E. Michelle McKay, E.I. ATC File