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HomeMy WebLinkAboutWQ0045671_More Information (Received)_20240802Civil D Design PA NCDEQ Sewer Fast Track Transmittal Date: August 1, 2024 Project Name: ValleyView Subdivision CDC Project: 22315 To: Mikal Willmer Asheville Regional Office Department of Environmental Quality 2090 US Highway 70 Swannanoa, NC 28778 pV lryfl�ll�,dJ� J AUG 0 2 202-4,-=-� ;Hater Quality Regional Operatiori Asheville Regional Office Via: ❑ Mail ❑ Overnight ® Hand Delivered ❑ Pick up @ CDC Office ❑ Digital Date --------------------- Description ---------------------------------------------------------------------------------------- 2024/07/18 --------------------- Checks in the amount of $120.00 each, for review fee difference. ---------------------------------------------------------------------------------------- 2024/06/13 -------------------- Developer FTA 10-23 Fast Track Sewer Application pages 3 & 4. ---------------------------------------------------------------------------------------- 2024/07/18 Developer's Operational Agreement. 2024/07/12 ------------------------------ City FTA 10-23 Fast Track Sewer Application pages 3 & 4. JesseuDesign epts, P.A. 168 Patton Avenue Asheville, NC 28801 (828) 252-5388, ext. 114 J ardnerAcdc og com Mailing Address: P.O. Box 5432, Asheville, NC 28813 168 Patton Avenue Asheville, NC 28801 52 Walnut Street — Suite 9, Waynesville, NC 28786 Phone 828-252-5388 Fax 828-252-5365 Phone: 828-452-4410 Fax: 828-456-5455 VII. GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T .0305 & MDC (Gravity Sewers): 1. Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material AUG 2 2024 i,/ater Quality Regional Opera.::;; Asheville Regional Or`'``- ➢ Section II & III of the MDC for Permitting of Gravity Sewers contains information related to design criteria ➢ Section III contains information related to minimum slopes for gravity sewer(s) ➢ Oversizing lines to meet minimum slope requirements is not allowed and a violation of the MDC VIII. PUMP STATION DESIGN CRITERIA (If Applicable) — 02T .0305 & MDC (Pump Stations/Force Mains): PROVIDE A SEPARATE COPY OF THIS PAGE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT 1. Pump station number or name: I 2. Approximate Coordinates (Decimal Degrees): Latitude: 35.580 Longitude:-83.010 3. Total number of pumps at the pump station: 2 3. Design flow of the pump station: 0.0348 millions gallons per day (firm capacity) ➢ This should reflect the total GPM for the pump station with the largest pump out of service. 4. Operational point(s) per pump(s): 85 gallons per minute (GPM) at 36.55 feet total dynamic head (TDH) 5. Summarize the force main to be permitted (for this Pump Station): Size (inches) Length (feet) Material 3 1430 PVC If any portion of the force main is less than 4-inches in diameter, please identify the method of solids reduction per MDCPSFM Section 2.01C.l.b. ❑ Grinder Pump ❑ Mechanical Bar Screen ® Other (please specify) Vortex Impeller 6. Power reliability in accordance with 15A NCAC 02T .0305(h)(1): ® Standby power source or ❑ Standby pump ➢ Must have automatic activation and telemetry - 15A NCAC 02T.0305(h)(1)(B)_ ➢ Required for all pump stations with an average daily flow greater than or equal to 15,000 gallons per day ➢ Must be permanent to facility and may not be portable Or if the pump station has an average daily flow less than 15,000 gallons per day 15A NCACO2T.0305(h)(1)(C): ❑ Portable power source with manual activation, quick -connection receptacle and telemetry - or ❑ Portable pumping unit with plugged emergency pump connection and telemetry: ➢ Include documentation that the portable source is owned or contracted by the applicant and is compatible with the station. ➢ If 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 as part of this permit application in the case of a multiple station power outage. FORM: FTA 10-23 Page 3 of 5 IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)): 1. Does the project comply with all separations/alternatives found in 15A NCAC 02T .0305(f) & 6W ® Yes ❑ No 15A NCAC 02T.0305 contains minimum separations that shall be provided for sewers stems: Setback Parameter* Separation Required Storm sewers and other utilities not listed below (vertical) 18 inches 2Water mains (vertical - water over sewer preferred, including in benched trenches) 18 inches 2Water mains (horizontal) 10 feet Reclaimed water lines (vertical - reclaimed over sewer) 18 inches Reclaimed water lines (horizontal - reclaimed over sewer) 2 feet **Any private or public water supply source, including any wells, WS-I waters of Class I or Class II impounded reservoirs used as a source of drinking water, and associated wetlands. 100 feet **Waters classified WS (except WS-I or WS-V), B, SA, ORW, HQW, or SB from normal high water (or tide elevation) and wetlands associated with these waters (see item IX.2) 50 feet **Any other stream, lake, impoundment, or ground water lowering and surface drainage ditches, as well as wetlands associated with these waters or classified as WL. 10 feet Any building foundation (horizontal) 5 feet Any basement (horizontal) 10 feet Top slope of embankment or cuts of 2 feet or more vertical height 10 feet Drainage systems and interceptor drains 5 feet Any swimming pools 10 feet Final earth grade (vertical) 36 inches y It noncompliance with 02T.0305(f) or g), see Section X.1 of this application * 15A NCAC 02T.0305(g) contains alternatives where separations in 02T.0305(o cannot be achieved. Please check "yes" above if these alternatives are used and provide narrative information to explain. **Stream classifications can be identified using the Division's NC Surface Water Classifications webpage 2. Does this project comply with the minimum separation requirements for water mains? ® Yes ❑ No ❑ N/A ➢ If no, please refer to 15A NCAC 18C.0906(f) for documentation requirements and submit a separate document, signed/sealed by an NC licensed PE, verifying the criteria outlined in that Rule. 3. Does the project comply with separation requirements for wetlands? ® Yes ❑ No ❑ N/A ➢ Please provide supplementary information identifying the areas of non-conformance. ➢ See the Division's draft separation requirements for situations where separation cannot be met. ➢ No variance is required if the alternative design criteria specified is utilized in design and construction. 4. Is the project located in a river basin subject to any State buffer rules? ® Yes Basin name: French Broad ❑ No If yes, does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .0200? ® Yes ❑ No ➢ This includes Trout Buffered Streams per 15A NCAC 213.0202 5. Does the project require coverage/authorization under a 404 Nationwide/individual permits ❑ Yes ® No or 401 Water Quality Certifications? ➢ Please provide the permit number/permitting status in the cover letter if coverage/authorization is required. 6. Does project comply with 15A NCAC 02T.0105(c)(6) (additional permits/certifications)? ® Yes ❑ No Per 15A NCAC 02T.0105(c)(6), directly related environmental permits or certification applications must be being prepared, have been applied for, or have been obtained. Issuance of this permit is contingent on issuance of dependent permits (erosion and sedimentation control plans, stormwater management plans, etc.). 7. Does this project include any sewer collection lines that are deemed "high -priority?" ❑ Yes ® No Per 15A NCAC 02T.0402, "high -priority sewer" means any aerial sewer, sewer contacting surface waters, siphon, or sewers positioned parallel to streambanks that are subject to erosion that undermines or deteriorates the sewer. Siphons and sewers suspended through interference/conflict boxes require a variance approval. ➢ If yes, include an attachment with details for each line, including type (aerial line, size, material, and location). High priority lines shall be inspected by the permittee or its representative at least once every six -months and inspections documented per 15A NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit. FORM: FTA 10-23 Page 4 of 5 STATE OF NORTH CAROLINA COUNTY OF Permit No. DEVELOPER'S OPERATIONAL AGREEMENT This AGREEMENT made pursuant to G.S. 143-215.1 (d1) and entered into this day of , by and between the North Carolina Environmental Management Commission, an agency of the State of North Carolina, hereinafter known as the COMMISSION; and —TCnewh Qev ' ,aA LL(- , a corporation/general partnership registered/licensed to do business in the State of North Carolina, hereinafter known as the DEVELOPER. WITNESSETH: II 1. The DEVELOPER is the owner of the certain lands lying in H..-4 W J County, upon which it is erecting and will erect dwelling units and other improvements, said development to be known as �/��'T� �.✓ (hereinafter the Development). 2. The DEVELOPER desires, to construct a wastewater collection system with pumps, wastewater treatment works, and/or disposal facilities (hereinafter Disposal System) to provide sanitary sewage disposal to serve the Development on said lands. 3. The DEVELOPER has applied to the COMMISSION for the issuance of a permit pursuant to G.S. 143- 215.1 to construct, maintain, and operate the Disposal System. 4. The DEVELOPER has created or shall create unit ownership in said dwellings units, other improvements and lands through filing of a Declaration of Unit Ownership (hereinafter Declaration), pursuant to Chapter 47C or 47F of the North Carolina General Statutes. 5. The DEVELOPER has caused to be formed or will cause to be formed at the time of fling of the Declaration, (hereinafter Association), a non-profit corporation organized and existing under and by the virtue of the laws of the State of North Carolina, for the purpose, among others, of handling the property, affairs and business of the Development; of operating, maintaining, re -constructing and repairing the common elements of the lands and improvements subject to unit ownership, including the Disposal System; and of collecting dues and assessments to provide funds for such operation, maintenance, re -construction andrepair. 6. The COMMISSION desires to assure that the Disposal System of the Development is properly constructed, maintained and operated in accordance with law and permit provisions in order to protect the quality of the waters of the State and the public interest therein. NOW, THEREFORE, in consideration of the promises and the benefits to be derived by each of the parties hereto, the COMMISSION and DEVELOPER do hereby mutually agree as follows: 1. The DEVELOPER shall construct the Disposal System in accordance with the permit and plans and specifications hereafter issued and approved by the COMMISSION, and shall thereafter properly operate and maintain such systems and facilities in accordance with applicable permit provisions andlaw. 2. The DEVELOPER shall not transfer ownership and/or control of the Disposal System to the Association until construction has been completed in accordance with the permit and approved plans, and the staff of the Division of Water Resources has inspected and approved of the facilities. In order to change the name of the permit holder, the DEVELOPER must request that the permit be reissued to the Association. The request must include a copy of the Association Bylaws andDeclaration. 3. The DEVELOPER shall not transfer, convey, assign or otherwise relinquish or release its responsibility for the operation and maintenance of its Disposal System until a permit has been reissued to the DEVELOPER's successor. FORM: DEV 12-23 Page 1 of 2 4 1 4. The DEVELOPER shall provide in the Declaration and Association Bylaws that the Disposal System and appurtenances thereto are part of the common elements and shall thereafter be properly maintained and operated in conformity with law and the provisions of the permit for construction, operation, repair, and maintenance of the system and facilities. The Declaration and Bylaws shall identify the entire wastewater treatment, collection and disposal system as a common element which will receive the highest priority for expenditures by the Association except for Federal, State, and local taxes and insurance. 5. The DEVELOPER shall provide in the Declaration and Association Bylaws that the Disposal System will be maintained out of the common expenses. In order to assure that there shall be funds readily available to repair, maintain or construct the Disposal System, beyond the routine operation and maintenance expenses, the Declaration and Association Bylaws shall provide that a fund be created out of the common expenses. Such fund shall be separate from the routine maintenance funds allocated for the facility and shall be part of the yearlybudget. 6. In the event the common'expense allocation and separate fund are not adequate for the construction, repair, and maintenance of the Disposal System, the Declaration and Association Bylaws shall provide for special assessments to cover such necessary costs. There shall be no limit on the amount of such assessments, and the Declaration and Bylaws shall provide that such special assessments can be made as necessary at any time. 7. If a wastewater collection system and wastewater treatment and/or disposal facility provided by any city, town, village, county, water and sewer authorities, or other unit of government shall hereinafter become available to serve the Development, the DEVELOPER shall take such action as is necessary to cause the existing and future wastewater of the Development to be accepted and discharged into said governmental system, and shall convey or transfer as much of the Disposal System and such necessary easements as the governmental unit mayrequire as condition of accepting the Development's wastewater. 8. Recognizing that it would be contrary to the public interest and to the public health, safety and welfare for the Association to enter into voluntary dissolution without having made adequate provision for the continued proper maintenance, repair and operation of its Disposal System, the DEVELOPER shall provide in the Association Bylaws that the Association shall not enter into voluntary dissolution without first having transferred its said system and facilities to some person, corporation or other entity acceptable to and approved by the COMMISSION by the issuance of apermit. 9. The agreements set forth in numbered paragraphs 1, 2, 3, 4, 5, 6, 7, and 8 above shall be conditions of any permit issued by the COMMISSION to the DEVELOPER for the construction, maintenance, repair and operation of the Disposal System. 10. A copy of this agreement shall be filed at the Register of Deeds in the County(ies) where the Declaration is filed and in the offices of the Secretary of State of North Carolina with the Articles of Incorporation of the Association. IN WITNESS WHEREOF, this agreement was executed in duplicate originals by the duly authorized representative of the parties hereto on the day and year written as indicated by each of the parties named below: Michael Montebello Supervisor, NPDES Branch Chief Division of Water Resources (Date) Name EVE �� Print Name and Title (Date) FORM: DEV 12-23 Page 2 of 2 VII. GRAVITY SEWER DESIGN CRITERIA (if Applicable) - 02T .0305 & MDC (Gravity Sewers): 1. Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material 8 432.3 DIP 8 4188 PVC SDR35 Aug' 0 � Water Quality Regional Operat ,;ri� Asheville Regional nr., ➢ Section II & III of the MDC for Permitting of Gravity Sewers contains information related to design criteria ➢ Section III contains information related to minimum slopes for gravity sewer(s) ➢ Oversizing lines to meet minimum slope requirements is not allowed and a violation of the MDC Vlll . PUMP STATION DESIGN CRITERIA (If Applicable) — 02T .0305 & MDC (Pump Stations/Force Mains): PROVIDE A SEPARATE COPY OF THIS PAGE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT 1. Pump station number or name: 2. Approximate Coordinates (Decimal Degrees): Latitude: 0 Longitude: - ° 3. Total number of pumps at the pump station: 3. Design flow of the pump station: millions gallons per day (firm capacity) ➢ This should reflect the total GPM for the pump station with the largest pump out of service. 4. Operational point(s) per pump(s): gallons per minute (GPM) at feet total dynamic head (TDH) 5. Summarize the force main to be permitted (for this Pump Station): Size (inches) Length (feet) Material If any portion of the force main is less than 4-inches in diameter, please identify the method of solids reduction per MDCPSFM Section 2.01 C.I .b. ❑ Grinder Pump ❑ Mechanical Bar Screen ❑ Other (please specify) 6. Power reliability in accordance with 15ANCAC 02T .0305(h)(11: ❑ Standby power source or ❑ Standby pump ➢ Must have automatic activation and telemetry - 15ANCAC 02T.0305(h)(1)(B)_ ➢ Required for all pump stations with an average daily flow greater than or equal to 15,000 gallons per day ➢ Must be permanent to facility and may not be portable Or if the pump station has an average daily flow less than 15,000 gallons per day 15A NCACO2T.0305(h)(1)(C): ❑ Portable power source with manual activation, quick -connection receptacle and telemetry - or ❑ Portable pumping unit with plugged emergency pump connection and telemetry: ➢ Include documentation that the portable source is owned or contracted by the applicant and is compatible with the station. ➢ If the portable power source or pump is dedicated to multiple pump stations, an evaluation of all the pump sta tions'storage capacities and the rotation schedule of the portable power source or pump, including travel timeframes, shall be provided as part of this permit application in the case of a multiple station power outage. FORM: FTA 10-23 Page 3 of 5 IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T.0305(f)): 1. Does the project comply with all separations/alternatives found in 15ANCAC 02T .0305(f) & (py? ® Yes ❑ No 15A NCAC 02T.0305(f) contains minimum separations that shall be provided for sewers stems: Setback Parameter* Separation Required Storm sewers and other utilities not listed below (vertical) 18 inches 2Water mains (vertical - water over sewer preferred, including in benched trenches) 18 inches 2Watermains (horizontal) 10 feet Reclaimed water lines (vertical - reclaimed over sewer) 18 inches Reclaimed water lines (horizontal - reclaimed over sewer) 2 feet **Any private or public water supply source, including any wells, WS-I waters of Class I or Class II impounded reservoirs used as a source of drinking water, and associated wetlands. 100 feet **Waters classified WS (except WS-I or WS-V), B, SA, ORW, HQW, orSB from normal high water (or tide elevation) and wetlands associated with these waters (see item IX.2) 50 feet **Any other stream, lake, impoundment, orground water lowering and surface drainage ditches, as well as wetlands associated with these waters or classified as WL. 10 feet Any building foundation (horizontal) 5 feet Any basement (horizontal) 10 feet Top slope of embankment or cuts of 2 feet or more vertical height 10 feet Drainage systems and interceptor drains 5 feet Any swimming pools 10 feet Final earth grade (vertical) 36 inches ➢ If noncompliance with 02T.0305(f) orfa see Section X.1 of this application * 15ANCAC 02T.0305(e) contains alternatives where separations in 02T.0305(f) cannot be achieved. Please check "yes" above if these alternatives are used and provide narrative information to explain. **Stream classifications can be identified using the Division's NC Surface Water Classifications webpaee 2. Does this project comply with the minimum separation requirements for water mains? ®Yes ❑ No ❑ N/A ➢ If no, please refer to 15A NCAC 18C.0906(f) for documentation requirements and submit a separate document, signed/sealed by an NC licensed PE, verifying the criteria outlined in that Rule. 3. Does the project comply with separation requirements for wetlands? ®Yes ❑ No ❑ N/A ➢ Please provide supplementary information identifying the areas of non-conformance. ➢ See the Division's draft separation requirements for situations where separation cannot be met. ➢ No variance is required if the altemative design criteria specified is utilized in design and construction. 4. Is the project located in a river basin subject to any State buffer rules? ® Yes Basin name: French Broad ❑ No If yes, does the project comply with setbacks found in the riverbasin rules per 15ANCAC 02B .0200? ® Yes ❑ No ➢ This includes Trout Buffered Streams per 15ANCAC 213.0202 5. Does the project require coverage/authorization under a 404 Nationwide/individual permits ❑ Yes ® No or401 Water Quality Certifications? ➢ Please provide the permit number/permitting status in the cover letter if coverage/authorization is required. 6. Does project comply with 15ANCAC 02T.0105(c)(6) (additional permits/certifications)? ® Yes ❑ No Per 15ANCAC 02T.0105(c)(6), directly related environmental permits orcertification applications must be beingprepared, havebeen applied for, orhavebeen obtained. Issuance of this permit is contingent on issuance of dependent permits (erosion and sedimentation control plans, stormwater management plans, etc.). 7. Does this project include any sewer collection lines that are deemed "high -priority?" ❑ Yes ® No Per 15A NCAC 02T.0402, "high -priority sewer" means any aerial sewer, sewer contacting surface waters, siphon, or sewers positioned parallel to streambanks that are subject to erosion that undermines or deteriorates the sewer. Siphons and sewers suspended through interference/conflict boxes require a variance approval. ➢ If yes, include an attachment with details for each line, including type (aerial line, size, material, and location). High priority lines shall be inspected by the permittee or its representative at least once every six -months and inspections documented per 15A NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit. FORM: FTA 10-23 Page 4 of 5