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HomeMy WebLinkAboutWQ0031478_Permit (Issuance)_20070611�OF WATF90 Michael F. Easley, Governor �O G William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources p Coleen H. Sullins, Director Division of Water Quality June 11, 2007 Gary Walls, Public Work Director Town of Troy 315 North Main Street Troy, NC 27371 Dear Mr. Walls: Subject: Permit No. WQ0031478 Twilight Court Low Pressure Sewer System Montgomery County In accordance with your permit application received March 22, 2007, and subsequent additional information received on June 5, 2007, on June 6, 2007, and on June 8, 2007, we are forwarding herewith Permit No. WQ0031478 dated June 11, 2007, to the Town of Troy for the construction and continued operation of the subject wastewater collection 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 This permit shall be effective from the date of issuance until rescinded, and shall be subject to the conditions and limitations as specified therein.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 Chapter 2T or any individual system -wide collection system permit issued to the Permittee. Permitting of this project does not constitute an acceptance of any part of the project that does not meet 15A NCAC 2T .0300; 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 Pretreatment, Emergency Response and Collection Systems Unit Internet http://h2o.enr.nc.state. us/peres NorthCarolina 1617 Mail Service Center, Raleigh NC 27699-1617 An Equal Opportunity Action Employer Naturall Telephone (919) 733-5083 Fax (919) 733-0059 50% recycled/10%post-consumer paper I* NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES 11211114m:1 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 Town of Troy Montgomery County FOR THE construction and continued operation of a pressure sewer collection system consisting of 4 1-HP simplex pump stations with on -site audible and visual high water alarms and approximately 700 linear feet of 2- inch pressure sewer to serve Twilight Court and the discharge of 1440 GPD of collected wastewater into the Town of Troy Wastewater Treatment Facility (NC0028916) existing sewerage system, pursuant to the application received March 22, 2007, and subsequent additional information received by the Division on June 5, 2007, on June 6, 2007, and on June 8, 2007, 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 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 revocable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 15A NCAC 2T .0300; 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 2T .0400. If an individual permit is not required, the following performance criteria shall be met as provided in 15A NCAC 2T .0400: 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 and shall be actively maintained. 7. Per 15A NCAC 2T .0116, 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. 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 2T .0300; 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 Chapter 4 and under the Division's General Permit NCGO10000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 15A NCAC 2H .0500. 11. The Permittee shall provide the following items for the pressure sewer system: a. Pump on/off elevations located so that 2-8 pumping cycles may be achieved per hour in any centralized pump station serving more than one building. b. At least 200 gallons of storage capacity above the pump -on activation level for any simplex pump station serving a single-family residence. c. An air relief valve located at all high points along the force main. d. A screened vent for the wet well. e. Fillets located in the wet well(s) at the intersection of the flooring and side walls. f. Three feet of cover (minimum) over the force main or the use of ferrous material where three feet cannot be maintained. g. Sufficient devices which will protect the pump station from vandals. h. Flood protection if the pump station is located below the 100-year flood elevation. i. 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-1), 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 (1) Interceptor drains 5 feet (II) 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; Permit No. W00031478 June 11, 2007 System Description: construction and continued operation of a pressure sewer collection system consisting of 4 1-HP simplex pump stations with on -site -audible and visual high water alarms and approximately 700 linear feet of 2- inch pressure sewer to serve Twilight Court and the discharge of 1440 GPD of collected wastewater into the Town of Troy Wastewater Treatment Facility (NC0028916). Complete and submit this form to the permit issuing office as indicated below with the following: • One copy of the project record drawings (plan & profile views of sewer lines) of the wastewater collection system extension • Changes to the project should be clearly identified on the record drawings or in written summary form. Permit modifications are required for any changes resulting in non-compliance with this permit, regulations or minimum design criteria. This project shall not be considered complete nor allowed to operate until this Engineer's Certification and all required supporting documentation have been received by the Division. Therefore, it Is highly recommended that this certification be sent in a manner that provides proof of receipt by the Division. ENGINEER'S CERTIFICATION ❑ Partial ❑ Final I, , 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 subject project 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 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. North Carolina Professional Engineer's seal, signature, and date: ...............................................................: SEND THIS FORM & SUPPORTING DOCUMENTATION WITH REQUIRED ATTACHMENTS TO THE FOLLOWING ADDRESS JEFF POUPART, UNIT SUPERVISOR PRETREATMENT, EMERGENCY RESPONSE if COLLECTION SYSTEMS UNIT 1617 MAIL SERVICE CENTER RALEIGH NC 27699-1617 The Permittee is responsible for tracking all partial certifications up until a final certification is received. 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. Mr. Gary Walls June 11, 2007 Page 2 One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Adrian Eaton at (919) 733-5083 extension 580. Sincerely fvi Coleen H. Sullins, Director cc: Montgomery County Health Department Fayetteville Regional Office, Water Quality Section (Permit NC0028916) Brian Sexton, P.E., Hobbs, Upchurch, and Associates, P.A., PO Box 1737, Southern Pines, NC, 28387 Water Quality Central Files PERCS Files DENR_FRO JU,V 1 , 2007 DWQ