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HomeMy WebLinkAboutWQ0021931_Regional Office Historical File Pre 2018Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Nei' " dilViiibligiair December 17, 2002 Barry D. Shearin, P.E. Charlotte -Mecklenburg Utility Department 5100 Brookshire Blvd Charlotte, NC 28216 ANn NATI PPAI RFSrn 'RCM MOORESVILLE REGIONAL OFFICE 1 6 2003 WATER QUAD SECN, Subject: Permit No. WQ0021931 21220 Senlac Lane CMU Project No. 379-01-597 Pressure Sewer Extension Mecklenburg County Dear Mr. Shearin: In accordance with your permit application received October 2, 2002 and additional information received on November 4, 2002 and November 6, 2002, we are forwarding herewith Permit No. WQ0021931 dated December 17, 2002, to the Charlotte -Mecklenburg Utility Department for the construction and operation of the subject pressure sewer system extension. This permit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to Permit Condition 3 which 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 Permtttee. It is also important to review the other permit conditions specific to this system including Permit Conditions 11, 12 and 16, noted in bold throughout this permit. 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-Iicensed 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. Non -Discharge Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 DENR Customer Service Center An Equal Opportunity Action Employer Internet http://h2o.enr.state.nc.us/ndpu Telephone (919)733-5083 Fax (9I9)715-6048 Telephone 1 800 623-7748 50% recycled/10% post -consumer paper 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. Sincely anW.K Director ek. P.E. cc: Mecklenburg County Health Department. Mooresville. Regional Office, Water, Quality Section (Permit NC0036277) Mecklenburg County Department of Environmental Protection Cooper Burton, El or George Lowder, PE. W.K. Dickson & Co., Inc. (Charlotte Office) Water Quality Central. Files NDPU 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, General 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 construction and operation of a pressure sewer collection system consisting of approximately 281 linear feet of 2-inch pressure sewer to serve 7 residences along Senlac Lane, and the discharge of 1,330 GPD of collected wastewater into Charlotte-Mecklenburg's existing sewerage system, pursuant to the application received October 2, 2002, 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. Homeowner's along the permitted pressure sewer system will be responsible for installing, owning and maintaining the simplex pump stations connecting to the 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 void unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; I5A 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 15A 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 Ieast 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 not 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. 4. 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. 7. 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. 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 NCG010000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and I5A NCAC 2H .0500. 11. If a STEP system is an option, 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 Permittee shall provide information about the proper operating head conditions applicable for a homeowner's specific lot to the homeowner and the selected plumbing contractor upon request for connection to the system. Other pertinent information required for the proper selection and installation of the pump station shall be provided to the plumbing contractor. This information shall include the following minimum design criteria for the simplex pump station: a. A minimum of 94 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. b. A screened vent for the wet well. c. FiIlets located in the wet well(s) at the intersection of the flooring and side walls. d. Sufficient devices which will protect the pump station from vandals. e. 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 wet well is at Ieast 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. f. Audible and visual high water alarms. g. 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. h. Anti -floatation for the pump station. 13. The Permittee shall provide the following for the pressure sewer: a. An air relief valve located at all high points along the pressure sewer. b. Three feet of cover (minimum) over the pressure sewer or the use of ferrous material where three feet cannot be maintained_ c. 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 IT 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, Iake 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. 15. NoncompIiance 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 day 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 Ietter 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. In the case of multiple wells where radii overlap and ferrous pipe is not available, SDR 13.5 pipe (for less than 4-inch diameter) may be used if tested to water main standards with no leakage and marked with detector tape (per Division variance letter of 4/13/2000). 4 Permit issued this the 17th day of December, 2002 NORTH COLINA ENVIRONMENTAL MANAGEMENT COMMISSION -Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0021931 Permit No. WQ0021931 December 17, 2002 ENGINEER'S CERTIFICATION Partial Final 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 named 21220 Senlac Lane (CMU Project No. 379-01-597) in Mecklenburg County, North Carolina 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 Seal: 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