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HomeMy WebLinkAboutWQ0018663_Permit Modification_20181120 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 q*Tf� ROY COOPER �� Governor +. MICHAEL S. REGAN � Secretary • t LINDA CULPEPPER NORTH CARCLINA En Oranm¢rhfdr Quorrty Interim Director November 20, 2018 Bill Pinnix, Engineering Director Brunswick County Sent via email to: sewer.permits@brunswickcountync.gov Subject: Permit No. WQ0018663 MODIFICATION Brunswick County The Farm at Brunswick Wastewater Collection System Extension Brunswick County Dear Mr. Pinnix: In accordance with your application received October 19, 2018 we are forwarding herewith Permit No. WQ0018663 dated November 20, 2018 to Brunswick County (Permittee) for the construction and operation upon certification of the subject wastewater collection system extension. This permit shall be effective from the date of issuance until rescinded, shall void Permit No. WQ0018663 issued April 5, 2017, and shall be subject to the conditions and limitations as specified therein.This cover letter shall be considered a part of this permit and is therefore incorporated therein by reference. This modification adds 3,287 feet of 8-inch gravity sewer with 18,690 gpd of flow allocation for 89 three- bedroom residences in Phases 16& 17. It also corrects an error in the last version for the issuance date of Phases 13/14. Please pay particular attention to the following conditions contained within this permit: Special Conditions: Condition 1.1: Each pump station shall be clearly and conspicuously posted using a weatherproof sign with the address, a pump station identifying name/number, 24-Hour Emergency telephone number, and name of the owner/operator of the sewer system/pump station and instructions to call the number in the event of alarm activation or other emergency. Simplex pump stations or vacuum sewer pits serving a single-family residence may have a placard or sticker without the address placed on the control panel in lieu of a sign. [15A NCAC 02T.0305(h)(2)] Standard Conditions: Condition 11.1: This permit shall not be automatically transferable; a request must be made and approved. Division of Water Resources—Wilmington Regional Office 127 Cardinal Drive Extension,Wilmington,North Carolina 28405 Phone:910-796-7215\Internet:www.deg.nc.gov DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 Condition 11.4: Requires that the wastewater collection facilities be properly operated and maintained in accordance with 15A NCAC 2T .0403 or any individual system-wide collection system permit issued to the Permittee. Condition 11.7: Upon completion of construction and prior to operation of these permitted facilities,the completed Engineering Certification form with checklist attached to this permit shall be submitted with the required supporting documents to the address provided on the form. Permit modifications are required for any changes resulting in non-compliance with this permit, regulations, or the Minimum Design Criteria. [15A NCAC 02T.0116] Condition 11.13: If the Permittee/Applicant holds a system-side collection system operation, maintenance and management permit (WQCS-prefix) from the Division, then the following applies: For all newly constructed, modified and rehabilitated pump stations, all equipment and components shall be sealed within a corrosion-resistant coating or encasement to the extent practicable and equivalent to the minimum design criteria unless the permittee can demonstrate it is not practicable or another form of corrosion resistance is employed. [15A NCAC 02T.0108 (b)] It shall be responsibility of the Permittee to ensure that the as-constructed project meets the appropriate design criteria and rules. Failure to comply may result in penalties in accordance with North Carolina General Statute §143-215.6A through §143-215.6C, construction of additional or replacement wastewater collection facilities, and/or referral of the North Carolina-licensed Professional Engineer to the licensing board. If any parts, requirements, or limitations contained in this permit are unacceptable,you have the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made,this permit shall be final and binding. If you need additional information concerning this matter, please contact Dean Hunkele at(910)796-7215 or via e-mail at Dean.Hunkele@ncdenr.gov. Sincerely, DocuSigned by: E3ABA14AC7DC434_ Morella Sanchez-King,Acting Regional Supervisor Water Quality Regional Operations Section Wilmington Regional Office Division of Water Resources, NCDEQ Cc: John Richards,Thomas & Hutton (Laserfiche info via email) Upload to Laserfiche Permit No.WQ0018663 November 20,2018 Page 2 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 NOR IH�:AgO_IN.4 Envrrortmrrtruf Quality In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to the BRUNSWICK COUNTY BRUNSWICK COUNTY for the construction and operation upon certification of approximately 3,287 linear feet of 8-inch gravity sewer to serve 89 three-bedroom residences (@210 gpd/unit) as part of The Farm at Brunswick Phases 16 & 17 project, and the discharge of 18,690 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system, pursuant to the application received October 19, 2018 and in conformity with 15A NCAC 2T;the Division's Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting data subsequently filed and approved by the Department of Environmental Quality and considered a part of this permit. April 5, 2017 MODIFICATION (Version 2.1) For the continued construction and operation upon certification of approximately 1,945 linear feet of fl- inch gravity sewer to serve 53 three-bedroom residences (@200 gpd/unit) as part of The Farm at Brunswick Phase 15 project, and the discharge of 10,600 gallons per day of collected domestic wastewater into the Brunswick County's existing sewerage system, pursuant to the application received March 7, 2017 April 4, 2017 MODIFICATION (Version 2.0) Continued operation of approximately 1,262 linear feet of 8-inch gravity sewer to serve 45 three-bedroom residences (@200 gpd/unit) as part of The Farm at Brunswick Phases 13 & 14 project, and the discharge of 9,000 gallons per day of collected domestic wastewater into the Brunswick County's existing sewerage system, pursuant to the application received March 7, 2017 and in conformity with 15A NCAC 2T. System certified complete August 28, 2018. April 17, 2009 MODIFICATION (Version 1.9) Continued operation of approximately 1,738 linearfeet of 8-inch gravity sewer to serve 38 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 12 project,and the discharge of 7,600 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system, pursuant to the application received March 26, 2009 and in conformity with 15A NCAC 2T. System certified complete August 29, 2012. Permit No.WQ0018663 November 20,2018 Page 3 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 April 17, 2009 MODIFICATION (Version 1.8) Continued operation of approximately 1,507 linearfeet of 8-inch gravity sewer to serve 42 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 11 project,and the discharge of 8,400 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system, pursuant to the application received June 20, 2006 and in conformity with 15A NCAC 2H .0200. System certified complete November 29, 2016. May 19, 2006 MODIFICATION (Version 1.7) Continued operation of approximately 1,507 linearfeet of 8-inch gravity sewer to serve 48 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 10 project,and the discharge of 9,600 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system pursuant to the application received April 12, 2006 and in conformity with 15A NCAC 2H .0200. System certified complete June 8, 2007. May 12, 2006 MODIFICATION (Version 1.6) Continued operation of approximately 2,963 linearfeet of 8-inch gravity sewer to serve 60 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 9 project,and the discharge of 12,000 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system pursuant to the application received April 12, 2006 and in conformity with 15A NCAC 2H .0200. System certified complete April 15, 2008. May 5, 2006 MODIFICATION (Version 1.5) Continued operation of approximately 4,079 linear feet of 8-inch gravity sewer; a 179—gallon per minute pump station with duplex pumps, on-site audible and visual high water alarms, telemetry, and on-site generator with automatic transfer switch; as well as approximately 1,683 linear feet of 6-inch force main to serve 51 three-bedroom residences(@200 gpd/unit) as part of The Farm at Brunswick Phase 8 project, and the discharge of 10,200 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system pursuant to the application received April 12, 2006 and in conformity with 15A NCAC 2H .0200. System certified complete June 8, 2007. December 9, 2005 MODIFICATION (Version 1.4) Continued operation of approximately 2,918 linear feet of 8-inch gravity sewer to serve 84 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 4 and approximately 2,185 linear feet of 8-inch gravity sewer to serve 101 three-bedroom residences (@200 gpd/unit) as part of The Farm at Brunswick Phase 5 project, and the total discharge of 37,000 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system pursuant to the application received October 27, 2005 and in conformity with 15A NCAC 2H .0200. Systems certified complete on October 30, 2006 and January 8, 2007 respectively. Permit No.WQ0018663 November 20,2018 Page 4 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-lA63748A1138 April 15, 2005 MODIFICATION (Version 1.3) Continued approximately 1,209 linear feet of 8-inch gravity sewer to serve 40 three-bedroom residences (@200 gpd/unit)as part of The Farm at Brunswick Phase 3 project, and the discharge of 8,000 gallons per day of collected domestic wastewater into the Brunswick County's existing sewerage system pursuant to the application received March 16, 2005 and in conformity with 15A NCAC 2H .0200. System certified complete May 15, 2006. March 18, 2005 MODIFICATION (Version 1.2) Continued operation of approximately 2,039 linear feet of 8-inch gravity sewer to serve 64 three-bedroom residences(@200 gpd/unit)as part of The Farm at Brunswick Phase 2 project,and the discharge of 12,800 gallons per day of collected domestic wastewater into the Brunswick County's existing sewerage system pursuant to the application received March 1, 2005 and in conformity with 15A NCAC 2H .0200. System certified complete April 21, 2006. November 19, 2004 MODIFICATION (Version 1.1) Continued operation of approximately 3,535 linear feet of 8-inch and 70 linear feet of 10-inch gravity sewer; a 180—gallon per minute pump station with duplex pumps, on-site audible and visual high water alarms, and on-site generator with automatic transfer switch; as well as approximately 5,174 linear feet of 6-inch force main to serve 64 three-bedroom residences (@200 gpd/unit) as part of The Farm at Brunswick Phase 1 project,and the discharge of 12,800 gallons per day of collected domestic wastewater into Brunswick County's existing sewerage system pursuant to the application received November 8,2004 and in conformity with 15A NCAC 2H .0200. System certified complete September 27, 2005. This permit shall be effective from the date of issuance until rescinded and shall be subject to the specified conditions and limitations contained therein. Permit Number: WQ0018663 Issued Today: November 20, 2018 DocuSigned by: E tAVLU G S� 6" E3ABA14AC7DC434_ Morella Sanchez-King, Acting Regional Supervisor Wilmington Regional Office Water Quality Regional Operations Section Division of Water Resources, NCDEQ By Authority of the Director and The Environmental Management Commission Permit No.WQ0018663 November 20,2018 Page 5 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 SUPPLEMENT TO PERMIT COVER SHEET BRUNSWICK COUNTY is hereby authorized to: Construct,and then operate upon certification the aforementioned wastewater collection extension. The sewage and wastewater collected by this system shall be treated in the Carolina Shores Wastewater Treatment Facility in accordance with Permit Number NC0044873. Permitting of this project does not constitute an acceptance of any part of the project that does not meet 15A NCAC 2T;the Division of Water Resources' (Division)Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; and the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable, unless specifically mentioned herein. Division approval is based on acceptance of the certification provided by a North Carolina-licensed Professional Engineer in the application. It shall be the Permittee's responsibility to ensure that the as- constructed project meets the appropriate design criteria and rules. Construction and operation is contingent upon compliance with the Standard Conditions and any Special Conditions identified below. I. SPECIAL CONDITIONS 1. Each pump station shall be clearly and conspicuously posted using a weatherproof sign with the address,a pump station identifying name/number,24-Hour Emergency telephone number,and name of the owner/operator of the sewer system/pump station and instructions to call the number in the event of alarm activation or other emergency. Simplex pump stations or vacuum sewer pits serving a single-family residence may have a placard or sticker without the address placed on the control panel in lieu of a sign. [15A NCAC 02T.0305(h)(2)] II. STANDARD CONDITIONS 1. This permit shall not be transferable. In the event there is a desire for the wastewater collection facilities to change ownership, or there is a name change of the Permittee, a formal permit request shall be submitted to the Division accompanied by documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request shall be considered on its merits and may or may not be approved. [15A NCAC 02T.0104; G.S 143-215.1(d3)] 2. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 15A NCAC 2T; the Division's Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting materials unless specifically mentioned herein. [15A NCAC 02T.0110] 3. This permit shall be effective only with respect to the nature and volume of wastes described in the application and other supporting data. [15A NCAC 02T.0110] Permit No.WQ0018663 November 20,2018 Page 6 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 4. The wastewater collection facilities shall be properly maintained and operated at all times. The Permittee shall maintain compliance with an individual system-wide collection system permit for the operation and maintenance of these facilities as required by 15A NCAC 2T .0403. If an individual permit is not required,the following performance criteria shall be met: [15A NCAC 02T.0108(b)] a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to land or surface waters, and to prevent any contravention of groundwater standards or surface water standards. b. A map of the sewer system shall be developed and shall be actively maintained. c. An operation and maintenance plan including pump station inspection frequency, preventative maintenance schedule, spare parts inventory and overflow response has been developed and implemented. d. Pump stations that are not connected to a telemetry system shall be inspected every day(i.e. 365 days per year). Pump stations that are connected to a telemetry system shall be inspected at least once per week. e. High-priority sewer lines shall be inspected at least once per every six-months and inspections are documented. f. A general observation of the entire sewer system shall be conducted at least once per year. g. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General Statute §143-215.1C. h. A Grease Control Program is in place as follows: 1. For public owned collection systems, the Grease Control Program shall include at least biannual distribution of educational materials for both commercial and residential users and the legal means to require grease interceptors at existing establishments. The plan shall also include legal means for inspections of the grease interceptors, enforcement for violators and the legal means to control grease entering the system from other public and private satellite sewer systems. 2. For privately owned collection systems, the Grease Control Program shall include at least bi- annual distribution of grease education materials to users of the collection system by the permittee or its representative. 3. Grease education materials shall be distributed more often than required in Parts (1) and (2) of this Subparagraph if necessary to prevent grease-related sanitary sewer overflows. i. Right-of-ways and easements shall be maintained in the full easement width for personnel and equipment accessibility. j. Documentation shall be kept for Subparagraphs(a)through (i)of this Rule for a minimum of three years with exception of the map,which shall be maintained for the life of the system. 5. Noncompliance Notification: The Permittee shall report by telephone to a water resources staff member at the Wilmington Regional Office,telephone number (910) 796-7215, as soon as possible, but in no case more than 24 hours or on the next working day, following the occurrence or first knowledge of the occurrence of either of the following: Permit No.WQ0018663 November 20,2018 Page 7 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 a. Any process unit failure,due to known or unknown reasons,that renders the facility incapable of adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or breakage, etc.; or b. Any SSO and/or spill over 1,000 gallons; or c. Any SSO and/or spill, regardless of volume,that reaches surface water Voice mail messages or faxed information is permissible, but this shall not be considered as the initial verbal report. Overflows and spills occurring outside normal business hours may also be reported to the Division of Emergency Management at telephone number (800) 858-0368 or (919) 733-3300. Persons reporting any of the above occurrences shall file a spill report by completing and submitting Part I of Form CS-SSO (or the most current Division approved form) within five days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. Part 11 of Form CS-SSO(or the most current Division approved form) can also be completed to show that the SSO was beyond control. [G.S. 143-215.1C(a1)] 6. Construction of the gravity sewers, pump stations, and force mains shall be scheduled so as not to interrupt service by the existing utilities nor result in an overflow or bypass discharge of wastewater to the surface waters of the State. [15A NCAC 02T.0108(b)] 7. Upon completion of construction and prior to operation of these permitted facilities, the completed Engineering Certification form with checklist attached to this permit shall be submitted with the required supporting documents to the address provided on the form. A complete certification is one where the form is fully executed and the supporting documents are provided as applicable. Any wastewater flow made tributary to the wastewater collection system extension prior to completion of this Engineer's Certification shall be considered a violation of the permit and shall subject the Permittee to appropriate enforcement actions. If the permit is issued to a private entity with an Operational Agreement,then a copy of the Articles of Incorporation, Declarations/Covenants/Restrictions, and Bylaws that have been appropriately filed with the applicable County's Register of Deeds office shall be submitted with the certification. A complete certification is one where the form is fully executed and the supporting documents are provided as applicable. Supporting documentation shall include the following: a. One copy of the project construction record drawings(plan & profile views of sewer lines&force mains) of the wastewater collection system extension. Final record drawings should be clear on the plans or in accepted electronic format and are defined as the design drawings that are marked up or annotated with after construction information and show required buffers, separation distances, material changes, etc. b. One copy of the supporting applicable design calculations including pipe and pump sizing,velocity, pump cycle times, and level control settings, pump station buoyancy, wet well storage, surge protection, detention time in the wet well, and force main, ability to flush low points in force mains with a pump cycle, and downstream sewer capacity analysis. If a portable power source or pump is dedicated to multiple stations, an evaluation of all the pump stations' storage capacities and the rotation schedule of the portable power source or pump, include travel timeframes, shall be provided. c. Changes to the project that do not result in non-compliance with this permit, regulations, or the Minimum Design Criteria should be clearly identified on the record drawings, on the certification in the space provided, or in written summary form. Permit No.WQ0018663 November 20,2018 Page 8 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 Prior to Certification (Final or Partial): Permit modifications are required for any changes resulting in non-compliance with this permit (including pipe length increases of 10% or greater, increased flow, pump station design capacity design increases of 5%or greater, and increases in the number/type of connections), regulations, or the Minimum Design Criteria. Requested modifications or variances to the Minimum Design Criteria will be reviewed on a case-by-case basis and each on its own merit. Please note that variances to the Minimum Design Criteria should be requested and approved during the permitting process prior to construction. After-construction requests are discouraged by the Division and may not be approved, thus requiring replacement or repair prior to certification & activation. [15A NCAC 02T.0116] 8. Gravity sewers installed greaterthan ten percent below the minimum required slope perthe Division's Gravity Sewer Minimum Design Criteria shall not be acceptable and shall not be certified until corrected. If there is an unforeseen obstacle in the field where all viable solutions have been examined, a slope variance can be requested from the Division with firm supporting documentation. This shall be done through a permit modification with fee. Such variance requests will be evaluated on a case-by-case basis.Resolution of such request shall be evident prior to completing and submitting the construction certification. [ 15A NCAC 02T.0105(n)] 9. A copy of the construction record drawings shall be maintained on file by the Permittee for the life of the wastewater collection facilities. [15A NCAC 02T.0116] 10. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2T;the Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable;the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Station and Force Mains adopted June 1, 2000 as applicable; and other supporting materials may subject the Permittee to an enforcement action by the Division, in accordance with North Carolina General Statutes §143-215.6A through §143-215.6C, construction of additional or replacement wastewater collection facilities,and/or referral of the North Carolina-licensed Professional Engineer to the licensing board. [15A NCAC 02T .0104; 15A NCAC 02T .0108(b-c)] 11. In the event that the wastewater collection 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 facilities. [15A NCAC 02T.0110; 15A NCAC 02T.0108(b)] 12. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes, rules, regulations,or ordinances that may be imposed by the Division any other Federal,State,or Local government agencies which have jurisdiction or obtaining other permits which may be required by the Division or any other Federal, State, of Local government agencies. [G.S. 143-215.1(b)] 13. If the Permittee/Applicant holds a system-side collection system operation, maintenance and management permit (WQCS-prefix) from the Division, then the following applies: For all newly constructed, modified and rehabilitated pump stations,all equipment and components shall be sealed within a corrosion-resistant coating or encasement to the extent practicable and equivalent to the minimum design criteria unless the permittee can demonstrate it is not practicable or another form of corrosion resistance is employed. [15A NCAC 02T .0108 (b)] Permit No.WQ0018663 November 20,2018 Page 9 of 11 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 FAST TRACK SEWER ENGINEERING CERTIFICATION PERMITTEE: Brunswick County PERMIT#: WQ0018663 PROJECT: The Farm at Brunswick Phases 16/17 ISSUE DATE: November 20, 2018 COUNTY: Brunswick This project shall not be considered complete nor allowed to operate in accordance with Condition 7 of this permit until the Division has received this Certification and all required supporting documentation. Consequently, it should be submitted in a manner that documents the Division's receipt. Send the required documentation to the Wilmington Regional Supervisor, Water Quality Section at the address at the bottom. The Permittee is responsible for tracking all partial certifications up until a final certification is received. Partial Certifications shall include Phase/Section covered, line size&lengths installed, and listing of lots/connections to be served and pump station design, if applicable. A Final Certification shall be a complete set of record drawings and design calculations regardless of whether partials have been submitted. PERMITTEE'S CERTIFICATION I,the undersigned agent for the Permittee, hereby state that this project has been constructed pursuant to the applicable standards & requirements, the Professional Engineer below has provided applicable design/construction information to the Permittee, and the Permittee is prepared to operate & maintain the wastewater collection system permitted herein or portions thereof. Printed Name,Title Signature Date ENGINEERS CERTIFICATION as a duly registered Professional Engineer in the State of North Carolina, having been authorized to (❑ periodically, ❑ weekly, ❑ full time) observe the construction of the project name and location as referenced above for the above Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: approximately 3,287 linear feet of 8-inch gravity sewer to serve 89 three-bedroom residences such that the construction was observed to be built in compliance of this permit; 15A NCAC 2T; the Division of Water Resources' (Division) Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting materials. North Carolina Professional Engineer's Seal w/signature &date ❑ Final ❑ Partial (include description) ............................................................: Certification Comments/Qualifiers (attach if necessary): NC DWR—Water Quality Regional Operations Section 127 Cardinal Drive Extension Wilmington,NC 28405 Wilmington Regional Office Phone: 910-796-7215 FAX:910-350-2004 DocuSign Envelope ID:8511FD8D-4DAA-4E17-A26B-1A63748A1138 SEWER ENGINEERING CERTIFICATION CHECKLIST To be completed by the certifying engineer prior to operation of the permitted sewers, per 15A NCAC 02T.0116. Certifying Engineer: Certification Review Date: Project Name: WQ00 Project County: 1) Has permittee information changed since the permit was issued (or last modified): change of mailing address, change of ownership, transfer from developer to HOA/POA, etc. ❑ Yes ❑ No • If yes, please provide either a change of ownership form or new contact information. Note that transfer of permits from the developer to the HOA/POA must occur with the first certification. 2) Have the as-built drawings have been signed,sealed,and dated by an N.C. PE? ❑ Yes ❑ No 3) Final Engineering certification? ❑ Yes ❑ No • If Partial Engineering certification, provide detailed narrative including what is being certified in the current phase,what was previously certified (if applicable),and what is left to be certified. 4) Adequate information related to sewer lines: ❑ Yes ❑ No ❑ N/A • Three feet minimum cover has been provided for all sewers unless ferrous pipe was installed. • Minimum diameters for gravity sewers are 8-inches for public lines and 6-inches for private lines. • Manholes have been installed:At the end of each line, at all changes in grade, size, or alignment, at all intersections, and at distances not greater than 425 feet; minimum diameter shall be 4 feet (48-inches). 5) Adequate information related to pump stations: ❑ Yes ❑ No ❑ N/A • Ensure power reliability option was selected per 15A NCAC 02T.0305(h). 6) Was project construction completed in accordance with all of the following: ❑ Yes ❑ No ❑ N/A • 15A NCAC 02T, Minimum Design Criteria (MDC)for the permitting of Gravity Sewers (latest version), and MDC for the Permitting of Pump Stations and Force Mains (latest version)? If not, a variance approval is required in accordance with 15A NCAC 02T.0105(b), prior to certification and operation. • Contact the Central Office to discuss the variance to determine a course of action. • Applicant must submit two copies of the variance request form, plans, specifications, calculations, and any other pertinent information to the Central Office (one hard copy, one digital copy). • The central office will review the variance request, and if approvable, specific language regarding the variance will be incorporated into the permit, either via a special condition or a supplementary letter. A copy of the reissued permit with variance language or the variance letter must be maintained with the original documents. 7) Does the project contains high priority lines(15A NCAC 02T.0402(2))? ❑ Yes ❑ No • If yes,ensure that the permit already contains the necessary condition related to high priority lines 15A NCAC 02T.0403 (a)(5). If the permit does not include this language,the Fast Track reviewer will reissue the permit with the appropriate language. 8) Are Permit modifications are required for any changes resulting in non-compliance with this permit(including pipe length difference of 10%or greater,change in flow,pump station design capacity design change of 5%or greater,and change in the number/type of connections)? ❑ Yes ❑ No • If yes, a permit modification request must be submitted to the appropriate Regional Office, and a modified permit with revised certification must be issued prior to certification and operation.