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HomeMy WebLinkAboutWQ0037001_Regional Office Historical File Pre 2018I NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor February 2, 2015 Barry Shearin, Deputy Director Charlotte -Mecklenburg Utility Department 5100 Brookshire Boulevard Charlotte, NC 28216 Subject: Permit No. WQ0037001 (Modification) Charlotte -Mecklenburg Utility Department Steele Creek Pump Station Replacement Wastewater Collection System Extension Permit Mecklenburg County Dear Mr. Shearin: Donald R. van der Vaart In accordance with your application received January 27, 2015,.we are forwarding herewith Permit No. WQ0037001, dated February 2, 2015, to Charlotte -Mecklenburg Utility Department (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 This permit shall be effective from the date of issuance until rescinded, shall void Permit No. WQ0037001 issued January 5, 2015, and shall be subject to the conditions avid limitations as specified therein. This cover letter and supplement shall be considered a part of this permit and are therefore incorporated therein by reference. Please pay particular attention to the foliowing conditions contained within this permi Condition 1.1 The portion of the project denoted as the "Westhall Gravity Sewer" shall be incorporated into the Permittee's Preventative Maintenance schedule in accordance with Section V of the Individual System -Wide Collection System Permit (WQCS60001). Condition 11.4: Requires that the wastewater collection facilities be properly operated and maintained in accordance with 15A NCAC 2T .0403 or any individual systemwide collection system permit issued to the Permittee. It shall be responsibility of the Perrittee 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. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Phone: 919-807-6300\ Internet: www.ncwatercualitv.org An Equal Opportunity \ Affirmative Action Employer _ Made in part by recycled paper Charlotte -Mecklenburg Utility Department. Permit No. WQ0037001 Modification 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 Michael Leggett at (91,9) 87- 6312 or via e-mail at michaeLleggett@ncdenr.gov. Sincerely, Zr\k- for S. Jay Zimmerman, Acting Director Division of Water Resources, NCDENR by Deborah Gore, Supervisor Pretreatment, Emergency Response, Collection System Unit cc: John B. Fulmer, Jr., PE — Brown and Caldwell 309 East Morehead Street, Suite 160, Charlotte, NC 28202 Mooresville Regional Office, Water Quality Section Regional Operations Water Resources Central Files: WQ0037001 PERCS (electronic copy) Page 2 of 8 I ATA NCDENR STATE OF NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT 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 Charlotte -Mecklenburg Utility Department for the construction and operation of; approximately 28 linear feet of 24—inch gravity sewer, approximately 1,500 linear feet of 36-inch gravity sewer; approximately 359 linear feet of 48-inch gravity sewer, approximately 192 linear feet of 60-inch gravity sewer, a 30 million gallon per day pump station with triplex ,pumps (3 duty, 1 standby), on -site audible and visual high water alarms, SCADA, and a generator with automatic transfer switch and associated appurtenances; as well as approximately 35,500 linear feet of 36-inch force main and approximately 2,859 linear feet of 60" force main as part of the Steele Creek Pump Station Replacement project and approximately 1,445 linear feet of 8-inch gravity sewer for the elimination of the Westhall Pumping Station, and the discharge of 0 gallons per day of collected wastewater into the Charlotte -Mecklenburg Utility Department's existing sewerage system, pursuant to the application received January 27, 2015 and in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. This modification replaced 1,600 linear feet of 30-inch gravity sewer in the original permit application with 1,500 linear feet of 36-inch gravity sewer. Note all other infrastructure remains unchanged from the project plans, specification, and other supporting data received and approved by the Department from the original permit. This permit shall be effective from the date of issuance until rescinded and shall be subject to the specified conditions and limitations contained therein. for Thomas A. Reeder, Director Division of Water Resources, NCDENR By Authority of The Environmental Management Commission Permit Number: Permit Issued: WQ0037001 (Modification) February 2, 2015 Page 3 of 8 �NQQ|�RA�ydTT/� ����J��yTy-y�W����W��T SUPPLEMENT �^-..`�.° ^ . ~� PERMIT / ^.��v^-., SHEET Charlotte -Mecklenburg Utility Department is hereby authorized to: Construct, and then operate mpg!1-certification the aforementioned wastewater collection extension. The sewage and wastewater collected by this system shall be treated in the McAlpine Creek Wastewater Treatment Plant in accordance with Permit Number NCO024970. Permitting of this project does not constitute an acceptance of any part ofthe project that does not meet 15A N[&C Z-[ the Division's Gravity Sewer Minimum Design [htnda adopted February 12, 1996as applicable; and the Division's Mmlrnmrn Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June I, 2800 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 Pernmittee'o responsibility to ensure that the as -constructed project meetsthe appropriate design criteria and rules. Construction and operation is contingent upon compliance with the Standard Conditions and any Special Conditions identified below, 1. SPECIAL CONDITIONS 1. The portion of the project denoted as the "VVesthaU Gravity Sewer" shall be incorporated into the Pennittee's Preventative Maintenance schedule in accordance with Section V of the Individual System -Wide Collection System Permit /VVDCS000U1\. [15ANC4CO2T.0108] U. STANDARD CONDITIONS 1. This permit shall not be transferable. In the event there is a desire for the wastewater om|kectkzn facilities to change ownership, or there is a name change of the Permktee, a formal permit request shall hesubmitted to the Division accompanied bvdocumentation from the parties involved, and other supporting Materials asmay beappropriate. The approval ofthis request shall beconsidered on its merits and may or may not be approved. 115A NCAC 02T.0104] 2. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 154 N[A[ ZT; the Division's Gravity Sewer Minimum Design Criteria adopted February 13, 1996 as applicable; the Divi�ion'sMinimum 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, [15ANCACO2T.0I10l J. 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] 4. The wastewater collection facilities shall beproperly maintained and operated atall times. The Permittee shall maintain compliance with an individual system -wide collection system permit for the Page 4 of 8 5. Noncompliance Notification: The Permittee shall report by telephone to a water resources staff member at the Mooresville Regional Office, telephone number (704) 663-1699, as soon as possible, but in no case more than 24 hours, following the occurrence or first knowledge of the occurrence of either of the following: 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 clays 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 I1 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- 215.1CJ 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.0403] 7. Upon completion of construction and prior to operation of these permitted facilities, the completed Engineering Certification form 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. 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 on digital media (CD or DVD disk) 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. 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. 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, Page 5 of 8 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 greater than ten percent below the minimum required slope per the 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 .011,6] 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 §143-215.5C, 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 .0108] 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] 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 maybe required by the Division or any other Federal, State, of Local government agencies. [15A NCAC 02T.0105] 13. The Per ee shall provide for the pump station and force main the following items: Pump Station Reliability [15A NCAC 02T .0305]: 1. Pump stations, except when exempted by Subparagraph (j)(2) of 15A NCAC 02T.0305, shall be designed with multiple pumps such that peak flow can be pumped with the largest pump out of service. 2. A standby power source or pump is required at all pump stations except for those pump stations subject to Subparagraph (j)(2) of 15A NCAC 02T.0305. Controls shall be provided to automatically activate the standby source and signal an alarm condition. Page 6 of 8 I 3. As an alternative to Part (c) for pump stations with an average daily design flow less than 15,000 gallons per day as calculated using 15A NCAC 02T.0114, a portable power source or pumping capability may be utilized. It shall be demonstrated to the Division that the portable source is owned or contracted by the permittee and is compatible with the station. ff the portable power source or pump is dedicated to multiple pump stations, an evaluation of all the pump stations' storage capacities and the rotation schedule of the portable power source or pump, including travel timeframes, shall be provided in the case of a multiple station power outage. 4. As an alternative to Part (ii) for pump or vacuum stations connecting a single building to an alternative sewer system, wet well storage requirements shall be documented to provide 24-hours' worth of wastewater storage or, exceed the greatest power outage over the last three years or the documented response time to replace a failed pump, whichever is greater. Documentation shall be required pursuant to the permit application. b. All pump stations designed for two pumps or more shall have a telemetry system to provide remote notification of a problem condition to include power failure and high water alarm. [15A NCAC 02T.0305] c. High water audio and visual alarm. [15A NCAC 02T.0305] d. Pump stations shall have a permanent weatherproof sign stating the pump station identifier, 24- hour emergency number and instructions to call in case of emergency. Simplex pump or vacuum stations serving a single-family residence shall have a placard or sticker placed inside the control pane! with a 24-hour emergency contact number. [15A NCAC 02T.0305] e. Screened vents for all wet wells. [15A NCAC 02T.0305] f. The public shall be restricted access to the site and equipment. [15A NCAC 027.0305] g• Air relief valves shall be provided at all high points along force mains where the vertical distance exceeds ten feet. [15A NCAC 02T.0305] Page7of8 EN.GINEERING CERTIFICATION pamnhyee: Charlotte -Mecklenburg Utility Department Project� Steele Creek Pump Station Replacement Permit No: WQ003701(Mmd) ~ Issue Date: February Z,28zs This project shaN not be considered complete nor allowed to operate in accordance with Condition 7ofthis permit until the Division has received this Certification and all required supporting documentation, which includes: � One copy ofthe project construction record drawings (plan & profile views ofsewer lines & force mains) of the mmxteu*a,e/ collection system extension. Final record drawings should be clear on the plans or on digital media (C0 o/ nVD disk) and are defined as the design drawings that are marked uporannotated with after construction information and show required buffers, separation distances, material changes, etc. Permit modifications are required for any changes mn/|tin8 in non-compliance with this permit. A detailed description for partial certifications should be attached to this form along with any certification comments. Certification should be submitted in a manner that documents the Division's receipt. The Permhieeis responsible for tracking all partial certifications vpuntil afinal certification isreceived, PEmm/nsE'S CERTIFICATION 1, the undersigned agent [or the Permitoe' hereby state that this poqa1 has been constructed pursuant to the applicable standards &requinements, the Professional Engineer below has provided applicable clesign/construction information to the Permittee, and the permit/ce is prepared to operate & maintain the wastewater collection system permitted herein or portions thereof. Printed Name, Title Signature Ema/mcen'SICswnFnCAnm@ � _ . as a duly u y ooereu Professional Engineer in the Bate of North Carolina, having been authorized to observe (_� periodically, / | ,veekly, K] full time) the construction of the project nameand location as referenced above for the above Permittec hereby state that, to the bsy/ of my abilities, due care and diligence was used in the observation of the following construction: approximately 28 linear feet of 24—inch gravity sewer, approximately 1'500 linear feet nf3G-incb gravity sewer; approximately 359 linear feet oY48-inch gravity sewer, approximately 192 linear feet of 60-inch gravity sewer, a 30 million gallon per day pump station with triplex pumps (3 duty, lstandby),on-site audible and visual high water alarms, S[ADA, and a generator with automatic transfer, switch and associated appurtenances; as well as apprmximate|y3I5O0 linear feet nf36'inch force main and approximately 2,859 linear fret of 60" force main as part of the Steele Creek Pump Station Replacement project and approximately 1,445 linear fee, of 8-inch gravity sewer for the elimination of the VVesthaU Pumping Station, and the discharge of gallons per day of collected wastewater into the Charlotte - Mecklenburg Q'||im/ Department's existing sewerage system' and in conformity with the project plans, specifications, supporting documents, and design criteria subsequently filed and approved, | 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, North Carolina Professional Engineer's Seal w/s|gnvtue&date: R Final r �� Partial (include description) Send the Completed Form @ Supporting Documentation tuthe Following Ad6/e»s NQ]ENR/DVVRVVATERQUALITYPERK4[TTlNGgECTi0N VVASTEVVATERBRANCH—PEH[SUN|T I8z7Mail Service Center Raleigh, mczra9g