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HomeMy WebLinkAboutWQ0016923_Regional Office Historical File Pre 2018State of North Carolina Department of Environment and Natural Resources Division of Water Quality Michael F. Easley, Governor William G. Ross Jr., Secretary Kerr T. Stevens; Director June 8, 2001 Barry D. Shearin Charlotte -Mecklenburg Utility Dept. 5100 Brookshire BIvd Charlotte, NC 28216 Dear Mr. Shearin: NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND��ITLj9 SQURCE01 WATER QUALITY SECTION Subject: Permit No. WQ0016923 Country Club Drive #21414 Country Club Circle #22112 Pressure Sewer Extension Mecklenburg County hi accordance with your application received March 9, 2001 for a permit modification, we are forwarding herewith Permit No. WQ0016923 dated June 8, 2001, to the Charlotte -Mecklenburg Utility Department for the construction and operation of the subject pressure sewer system extension to serve Country Club Drive #21414 and the continued operation of a pressure sewer collection system to serve Country Club Circle #22112. This permit shall be effective from the date of issuance until rescinded, shall hereby void Permit WQ0016923 issued August 11, 1999, and shall be subject to the conditions and limitations as specified therein, with the following special conditions regarding the project design and/or specifications: Condition 8: A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the wastewater collection facilities. The final specifications shall indicate that leakage testing shall be maintained for two hours. Condition 13(b)(v): Flood protection if the pump station is located below the 100-year flood elevation. All pump stations must be protected from the 100-year flood by installing the, pump station so that the top of the wetwell is at least two feet above flood elevation or by providing a water tight tank with the vent and all other external controls extending at least two feet above flood elevation. Most top of wetwell elevations were set right at the flood elevation in the submitted calculations. If necessary, modify the tables shown in the plans for corrected elevations and other operating parameters. Condition 13(b)(viii): Anti -floatation for the pump station. Buoyancy calculations for the selected pump stations must be completed to ensure floatation of the pump station will not occur if flooding occurs. The above italicized wording must be completed prior to the start of construction. Additionally, please pay particular attention to the following permit conditions: Permit Condition 3: Requires that the wastewater collection facilities be properly operated and maintained in accordance with 15A NCAC 2H .0227 or any individual system -wide collection system permit issued to the Permittee. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 Fax (919) 715-6048 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper Permit Condition 11: Any homeowner wishing to connect to this permitted sewer system shall have their connection options explained (STEP system vs. grinder pump). If the homeowner chooses to keep the existing septic tank and implement a STEP system, an effluent pump will be an acceptable selection for connection to the pressure sewer system. If the conventional septic system is completely abandoned, a grinder pump is the only acceptable pump to install for connection to the pressure sewer system. Permit Condition 12: The homeowner shall be provided guidance as to the proper abandonment of the drain lines if the septic tank is retained or the proper abandonment of the entire conventional septic system upon connection to the pressure sewer system, Permit Condition 13(a): Requires that any homeowner wishing to connect to this permitted sewer system be provided with the applicable pump operating conditions expected for their lot and any other pertinentinformation required for the proper selection and installation of the pump station, Permit Condition 16: Provides a Division variance for the use of SDR 13.5 PVC pipe in lieu of ductile iron pipe within the 25-100 foot radius of a private well. Permit Condition 17: The pressure sewer lines permitted herein shall be designated "high priority" until such time that the contributing flow provides a velocity exceeding 2 feet per second. High priority lines must be inspected once every six months and cleaned as necessary. Permitting of this project does not constitute an acceptance of any part of the project that does not. meet 15A NCAC 2H .0200; the Division of Water Quality's (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. 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. One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Marie Doklovic at (919),733-5083 extension 371. Sine Kerr T. Steven cc: Mecklenburg County Health Department Mooresville Regional Office, Water Quality Section (Permit NC0036277) Mecklenburg County Department of Environmental Protection Mark Kettlewell, Armstrong Glen PC Central Files NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH WASTEWATER COLLECTION PERMIT In accordance with the provisions of Article 21 of Chapter 143, Genera] Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Charlotte -Mecklenburg Utility Department Mecklenburg County FOR THE continued operation of a pressure sewer collection system consisting of approximately 1,284 linear feet of 2-inch pressure sewer to serve 11 residential lots along Country Club Circle (#22112), and the discharge of 2,090 GPD of collected domestic wastewater into Charlotte-Mecklenburg's existing sewerage system, pursuant to the application received May 25, 1999, and in conformity with the project plan, specifications, and other supporting data subsequenty filed and approved by the Department of Environment and Natural Resources and considered a part of this permit; and construction and operation of a pressure sewer collection system consisting of approximately 1,777 linear feet of 2-inch pressure sewer, to serve thirty residential lots along County Club Drive: 21414, and the discharge of 5,700 GPD of collected domestic wastewater into Charlotte-Mecklenburg's existing sewerage system, pursuant to the application received March 9, 2001, 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; and a combined flow of 7,790 GPD of collected domestic wastewater to serve a total of 41 residential Lots is permitted. Homeowner's along the permitted pressure sewer system will be responsible for installing, owning and maintaining the simplex pump stations connecting to this system. This permit shall be effective from the date of issuance until rescinded and shall be subject to the following specified conditions and limitations: 1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water Quality's (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 unless specifically mentioned herein. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. 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 2H .0227. If an individual permit is not required, the following performance criteria shall be met as provided in 15A NCAC 2H .0227: a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to land or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L .0200 or the surface water standards in I5A NCAC 2B .0200. b. A map of the sewer system shall be developed prior to January 1, 2004 and shall be actively maintained. c. An operation and maintenance plan shall be developed and implemented. d. Pump stations that are not connected to a telemetry system shall be inspected at least three times per week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day. Pump stations that are connected to a telemetry system shall be inspected at least once per week. This requirement does nbt apply to pump stations serving a single building associated with a properly permitted pressure sewer system. e. High -priority sewer lines shall be inspected at least once per every six-month period of time. f. A general observation of the entire sewer system shall be conducted at least once per year. g. Inspection and maintenance records shall be maintained for a period of at least three years. h. 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. 1. The sewage and wastewater collected by this system shall be treated in the CMUD-McDowell Creek Wastewater Treatment Facility (NPDES Permit No. NC0036277) prior to being discharged into the receiving stream. 5. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Water Quality (Division) accompanied by documentation from the parties involved and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 6. Construction of the pressure sewer system 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. 2 Upon completion of construction and prior to operation of these permitted facilities, a certification and a copy of the construction record drawings shall be received from a North Carolina -licensed Professional Engineer certifying that the facilities have been installed in accordance with this permit; 15A NCAC 2H .0200; 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 Main adopted June 1, 2000 as applicable; and other supporting materials. If this project is to be completed in phases and partially certified, you shall retain the responsibility to track further construction approved under the same permit, and shall provide a final certificate of completion once the entire project has been completed. A copy of the construction record drawings, indicating the facilities constructed in the phase being certified, shall be submitted with each partial certification. Mail the Engineer's Certification, one copy of the "Construction Record Drawings", and one copy of the supporting design calculations to the Non -Discharge Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617. 8. A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the wastewater collection facilities. The final specifications shall indicate that leakage testing shall be maintained for two hours. 9. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2H .0200; 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. 10. The issuance of this permit does not exempt the Permittee from complying with any and all statutes, rules, regulations, or ordinances that may be imposed by other government agencies (i.e., local, state, and federal) having jurisdiction, including but not Limited to applicable river buffer rules in 15A NCAC 2B .0200, soil erosion and sedimentation control requirements in 15A NCAC Ch. 4 and under the Division's General Permit NCG0100000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 15A NCAC 2H .0500. 11. Any homeowner wishing to connect to this permitted sewer system shall have their connection options explained (STEP system vs. grinder pump). If the homeowner chooses to keep the existing septic tank and implement a STEP system, an effluent pump will be an acceptable selection for connection to the pressure sewer system. If the conventional septic system is completely abandoned, a grinder pump is the only acceptable pump to install for connection to the pressure sewer system. 12. The homeowner shall -be provided guidance as to the proper abandonment of the drain lines if the septic tank is retained or the proper abandonment of the entire conventional septic system upon connection to the pressure sewer system. 13. The Permittee shall provide the following items for the pressure sewer system: a. Information about the proper operating head conditions applicable for a homeowner's specific lot shall be provided to the homeowner upon request for connection to the system and any other pertinent information required for the proper selection and installation of the pump station. b. The simplex pump stations installed shall provide the following: (i) A minimum of 70 gallons of storage capacity above the pump -on activation level to meet the greater of the Permittee response time for service or the Longest non -catastrophic power outage of the previous three years for any simplex pump station serving a single family residence. 3 (ii) A screened vent for the wet well. (iii) Fillets located in the wet well(s) at the intersection of the flooring and sidewalls. (iv) Sufficient devices which will protect the pump station from vandals. (v) Flood protection if the pump station is located below the 100-year flood elevation. All pump stations must be protected from the 100-year flood by installing the pump station so that the top of the wetwell is at least two feet above flood elevation or by providing a water tight tank with the vent and all other external controls extending at least two feet above flood elevation. Most top of wetwell elevations were set right at the flood elevation in the submitted calculations. If necessary, modify the tables shown in the plans for corrected elevations and other operating parameters. (vi) Audible and visual high water alarms. (vii) Each pump station shall be clearly and conspicuously posted with the telephone number of a contact person who can provide emergency service and repair for the pump in the event of a high water alarm condition. (viii) Anti -floatation for the pump station. Buoyancy calculations for the selected pump stations must be completed to ensure floatation of the pump station will not occur if flooding occurs. c. An air relief valve located at all high points along the force main. d. Three feet of cover (minimum) over the force main or the use of ferrous material where three feet cannot be maintained. e. Adherence with the following minimum separations: (i) Storm sewers (vertical) 12 inches (ii) Water mains (vertical -water over sewer) 18 inches or (horizontal) 10 feet (iii) In benched trenches (vertical) 18 inches (iv) Any private or public water supply source, including any WS-I waters or Class I or Class II impounded reservoirs used as a source of drinking water 100 feet (v) Waters classified WS (other than WS-I), B, SA, ORW, HQW, or SB [from normal high water (or tide elevation)] 50 feet (vi) Any other stream, lake or impoundment 10 feet (vii) Any building foundation 5 feet (viii) Any basement 10 feet (ix) Top slope of embankment or cuts of 2 feet or more vertical height 10 feet (x) Drainage systems: • Interceptor drains 5 feet • Ground water lowering and surface drainage ditches 10 feet (xi) Any swimming pool 10 feet (xii) Ferrous sewer pipe with joints equivalent to water main standards, shall be used where these minimum separations cannot be maintained. The minimum separation shall however not be less than 25 feet from a private well or 50 feet from a public water supply well; 14. 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 that may be required by this Division, such as the construction of additional or replacement wastewater collection facilities. 4 r 15. Noncompliance Notification: The Permittee shall report by telephone to the Mooresville Regional Office, telephone number (704) 663-1699, as soon as possible, but in no case more than 24 hours or on the next working clay 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 render the facility incapable of adequate wastewater transport such as mechanical or electrical failures of pumps, line blockage or breakage, etc. b. Any failure of a pumping station or sewer line resulting in a by-pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. Persons reporting such occurrences by telephone shall also file a written report in letter form within five (5) 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. 16. A variance has been granted by the Division on April 13, 2000 for the use of SDR 13.5 PVC pipe in lieu of ductile iron pipe within the 25-ft to 100-ft radius of private wells for pipe sizes less than 4 inches. The project plans indicate that approximately 739 feet of SDR 13.5 PVC is planned for this project. 17. The pressure sewer lines permitted herein shall be designated "high priority" until such time that the contributing flow provides a velocity exceeding 2 feet per second. High priority lines must be inspected once every six months and cleaned as necessary. Permit issued this the 8th Day of June, 2001 NORTH CAj OLINA EI VIRONMENTAL MANAGEMENT COMMISSION 4-Kerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0016923 5 Permit No. WQ0016923 June 8, 2001 ENGINEER'S CERTIFICATION Partial Final h , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, Project Name Location and County for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of this permit, the approved plans and specifications, and other supporting materials. Signature Registration No. Date The above Engineer's Certification must be completed and submitted to the address below with one (1) copy of the Record Drawings (i.e., as -constructed plans) of the permitted facilities. This project shall not be considered complete and allowed to operate until this Engineer's Certification and the Record Drawings have been submitted. Any wastewater flow made tributary to the permitted facilities 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. NORTH CAROLINA DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES DIVISION OF WATER QUALITY WATER QUALITY SECTION NON -DISCHARGE PERMITTING UNIT 1617 MAIL SERVICE CENTER RALEIGH, NORTH CAROLINA 27699-1617 6