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HomeMy WebLinkAboutWQ0042247_Application (FTSE)_20210121w O CIVIL ENGINEERING DESIGN & LAND SURVEYING 8720 RED OAK BOULEVARD, STE. 420 -13 CHARLOTTE, N.C. 28217 PHONE (704) 527-3440 FAX (704) 527-8335 TO NC DEQ - Division of Water Resources 610 East Center Ave Mooresville NC 28115 WE ARE SENDING YOU El Attached ❑ Prints ❑ Disk ❑ Shop drawings ❑ Copy of letter LETTER OF TRANSMITTAL DATE: 1/19/2021 JOB NUMBER: 18081 ATTENTION: Ori Tuvia RE: _ 51- rie .. 704-235 2190 Nrcatow JAN192021 ❑ Under Separate cover via ❑ Plans Ei signatures ❑ Applications vvhW V5 MOORESVILLE REGIONAL OFFICE the following items: Specifications COPIES DATE NO. DESCRIPTION 1 1/19/2021 Fast Track Application Submittal(Charlotte Water as Applicant) 1 1/19/2021 Sewer Varicance Application Submittal (Charlotte Water as Applicant) 1 1/19/2021 Fast Track Application Submittal(St. Majks EC as Applicant) THESE ARE TRANSMITTED as checked below: ❑ For approval ❑ For your use ❑✓ As requested ❑ For review and comment ❑ Approved and submitted Approved as noted ❑ Returned for corrections ❑ Resubmit ❑ Submit Return copies for approval copies for distribution corrected prints REMARKS If you have any question please do not hesitate to call Bob Spalding 704-227-9424. COPY TO SIGNED Bob Spalding CHARLOTTE Project Narrative RECEIVED/NCDEQ/DWR JAN 1 9 2021 MOORESVILWOROS LE REGIONAL OFFICE St. Marks Episcopal Church Private Sewer Extension 8600 Mt. Holly Huntersville Road, Mecklenburg County, North Carolina The project site is located at 8600 Mt. Holly-Huntersville Road, Mecklenburg County, N.C. The proposed development will be the construction of a New Fellowship Hall beside an already eisting Church that is currently using a septic field. Sower flow to be generated by the church is 756 GPD. An existing 4" sewer lateral will accept sewer flow from a proposed 6" private sewer line. A variance request is included in this application to allow the existing 4" lateral to accept flow from a proposed 6" private sewer serving the church site. The sewer will discharge into the existing 4" line and 8" sewer collection system both owned by Charlotte Water, located along Mt. Holly- Huntersville Road. It will be treated at the McAlpine WWTP, WWTF NC0024970), which is owned by Charlotte Water. Included in this submission are the following: • One original and one copy of application and supporting documents • Cover Letter • Application Fee Check for $480.00 • Completed Form FTSE 04-16 • Civil Plan Sheet C 1.0 showing the existing public 4" sewer line, private MH and private 6" sewer configuration • Site Maps o Color USGS Map o Street level Map • 4" sewer lateral variance request including calculations confirming 4" sewer has sufficient capacity Division of Water Resources State of North Carolina Department of Environmental Quality Division of Water Resources 15A NCAC 02T .0300 - FAST TRACK SEWER SYSTEM EXTENSION APPLICATION FTA 04-16 & SUPPORTING DOCUMENTATION Application Number: _ U ` G 10 be completed by DWR) All items must be completed or the application will be returned . APPLICANT INFORMATION: 1. Applicant's name: Charlotte Water (company, municipality, HOA, utility, etc.) 2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Privately -Owned Public Utility 0Federal ❑ State/County ►1 Municipal ❑ Other RECEIVED/NCDEQ/per 3. Signature authority's name: Keri Cantrell per 15A NCAC 02T .0106(b) Title: Chief Engineer 4. Applicant's mailing. address: 5100 Brookshire Blvd. City: Charlotte tate: NC Zip: 28216- 5 Applicant's contact information: Phone number: (704) 336-1015 Email Address: Keri.Cantrell@charlottenc.gov H. PROJECT INFORMATION: 1. Project name: St. Marks Episcopal Church Application/Project status: ►5 Proposed (New Permit) ❑ Existing Permit/Project If a modification, provide the existing permit number: WQ00 and issued date: If new construction but part of a master plan, provide the existing permit number: WQ00 3. County where project is located: Mecklenburg 4. Approximate Coordinates (Decimal Degrees): Latitude: Longitude: - 5. Parcel ID (if applicable): 02516103 (or Parcel ID to closest downstream sewer) M. CONSULTANT INFORMATION: 1. Professional Engineer: Brian Upton License Number: 025926 Firm: The Isaacs Group Mailing address: 8720 Red Oak Blvd, Suite 420 City: Charlotte State: NC Zip: 28217- Phone number: (704) 527-3440 Email Address: buptonaisaacsgrp.com IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION: 1. Facility Name: McAlpine Permit Number: NC0024970 Owner Name: Charlotte Water V. RECEIVING DOWNSTREAM SEWER INFORMATION (if different than WWTF): 1. Permit Number(s): WQ Downstream (Receiving) Sewer Size: 8 inch System Wide Collection System Permit Number(s) (if applicable): WQCS Owner Name(s): Charlotte Water JAN192021 S MOORESVILLE REWGIONAL Op FORM: FTA 04-16 Page 1 of 5 VI. GENERAL REQUIREMENTS 1. If the Applicant is a Privately -Owned Public Utility, has a Certificate of Public Convenience and Necessity been attached? ❑ Yes ❑No ®N/A 2 If the Applicant is a Developer of lots to be sold, has a Develoer's Operational Agreement (FORM: DEVbeen attached? ❑ Yes ONo N/A f the Applicant is a Home/Property Owners' Association, has an Operational Agreement (FORM: HOA) been attached? 0 Yes ❑No N/A . Origin of wastewater: (check all that apply): 0 Residential Owned 0 Residential Leased ❑ School / preschool / day care 0 Food and drink facilities 0 Businesses / offices / factories ❑ Retail (stores, centers, malls) 0 Retail with food preparation/service 0 Medical / dental / veterinary facilities ® Church 0 Nursing Home Nature of wastewater : 100 % Domestic/Commercial % Commercial % Industrial (See 15A NCAC 02T .0103(20)) >Is there a Pretreatment Program in effect? Has a flow reduction been approved under 15A NCAC 02T .0114(0? ❑ Yes If yes, provide a copy of flow reduction approval letter Summarize wastewater generated by project: 0 Car Wash ❑ Hotel and/or Motels ❑ Swimming Pool /Clubhouse 0 Swimming Pool/Filter Backwash ❑ Other (Explain in Attachment) ❑ Yes ❑ No ® No Establishment Type (see 02T.0114(f}) Daily Design Flow 0 No. of Units Flow Church w/Kitchen no Food Service 3 gal/seat 252 756 GPD gall GPD gall GPD gall GPD gall GPD gall GPD Total 756 GPD a See 15A NCAC 02T .0114(h), (d), (e)(1) and (e)(2) for caveats to wastewater design flow rates (i.e., minimum flow per dwelling; proposed unknown non-residential development uses; public access facilities located near high public use areas; and residential property located south or east of the Atlantic Intracoastal Waterway to be used as vacation rentals as defined in G.S. 42A-4). b Per 15A NCAC 02T .0114(c), design flow rates for establishments not identified [in table 15A NCAC 02T.0114] shall be determined using available flow data, water using fixtures, occupancy or operation patterns, and other measured data. Wastewater generated by project: 756 GPD (per 15A NCAC 02T .0114) Do not include future flows or previously permitted allocations If permitted flow is zero, indicate why: 0 Pump Station or Gravity Sewer where flow will be permitted in subsequent permits that connect to this line 0 Flow has already been allocated in Permit Number: El Rehabilitation or replacement of existing sewer with no new flow expected Cl Other (Explain): FORM: FTA 04-16 Page 2 of 5 VII. GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T .0305 & MDC (Gravity Sewer* 1. Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material 4 63 PVC > 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 requirement is not allowed and a violation of the MDC VIII. PUMP STATION DESIGN CRITERIA (If Applicable) 02T .0305 & MDC (Pump Stations/Force wins): COMPLETE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT 1. Pump station number or name: 2. Approximate Coordinates (Decimal Degrees): Latitude: Longitude: - ° 3. Design flow of the pump station: millions gallons per day (firm capacity) 4. Operational point(s) of the pump(s): gallons per minute at feet total dynamic head (TDH) 5. Summarize the force main to be permitted (for this Pump Station) Size (inches) Length (feet) Material Power reliability in accordance with 15A NCAC 02T .0305(h)(1): ❑ Standby power source or pump with 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 Or if the pump station has an average daily flow less than 15,000 gallons per day: ❑ Portable power source with manual activation, quick -connection receptacle and telemetry I5A NCAC 02T .0305(h)(1)(C) or ❑ Portable pumping unit with plugged emergency pump connection and telemetry - 15A NCAC 02T .0305(h)(1)(C): ➢ It shall be demonstrated to the Division that the portable source is owned or contracted by the applicant (draft agreement) 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 in the case of a multiple station power outage. FORM: FTA 04-16 Page 3 of 5 SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)): 1. Does the project comply with all separations found in 15A NCAC 02T .03050fl & (g) > 15A NCAC 02T.0305(f) contains minimum separations that shall be provided for sewer systems: Setback Parameter* Separation Required 24 inches Storm sewers and other utilities not listed below (vertical) Water mains (vertical -water over sewer including in benched trenches) 18 inches Water 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 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 (see item IX.2) 50 feet **Any other stream, lake, impoundment, or ground water lowering and surface drainage ditches 10 feet Any building foundation 5 feet Any basement l0 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 > 15A NCAC 02T.0305(g) contains alternatives where separations in 02T.0305(f) cannot be achieved. > **Stream classifications can be identified using the Division's NC Surface Water Classifications webpa e > If noncompliance with 02T.0305(f) or (g), see Section X of this application Does the project comply with separation requirements for wetlands? (50 feet of separation) > See the Division's draft separation requirements for situations where separation cannot be meet > No variance is required if the alternative design criteria specified is utilized in design and construction > As built documents should reference the location of areas effected Does the project comply with all setbacks found in the river basin rules per 15A NCAC 02B .0200? • This would include Trout Buffered Streams per 15A NCAC 2B.0202 Does the project comply with an individual 404 Permit or any 401 Certifications? Yes ❑ No N/A ❑ Yes ❑ No N/A • Wetland -related permits shall be requested, obtained, and adhered to for projects that impact wetlands or surface waters • Information can be obtained from the 401 & Buffer Permitting Branch 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 are 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). Does this project include any sewer collection lines that are deemed "high -priority?" I I Per 15A NCAC 02T.0402, "high -priority sewer" means "any aerial sewer, sewer contacting surface waters, siphon, or sewer positioned parallel to streambanks that is subject to erosion that undermines or deteriorates the sewer. ❑ Yes ® No • 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 pernutee's individual System -Wide Collection permit. FORM: FTA 04-16 Page 4 of 5 CERTIFICATIONS: Does the submitted system comply with 15A NCAC 02T, the Minimum Design Criteria for the Permittin>? of Pump Stations and Force Mains (latest version), and the Gravity Sewer Minimum Design Criteria (latest version) as applicable? Yes ►/ No If No, complete and submit the Variance/Alternative Design Request application (VADC 10-14) and supporting documents for review. Approval of the request is required prior to submittal of the Fast Track Application and supporting documents. 2. Professional Engineer's Certification: ir: A proms attest that this application for (Professional Engineer's name from Application Item MI) has been reviewed by me and is accurate, complete and consistent with the information supplied in the plans, specifications, engineering calculations, and all other supporting documentation to the best of my knowledge. I further attest that to the best of my knowledge the proposed design has been prepared in accordance with the applicable regulations, Gravity Sewer Minimum Design Criteria for Gravity Sewers (latest version), and the Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains (latest version). Although other professionals may have developed certain portions of this submittal package, inclusion of these materials under my signature and seal signifies that I have reviewed this material and have judged it to be consistent with the proposed design. NOTE — In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false statement, representation, or certification in any application package shall be guilty of a Class 2 misdemeanor, which may include a fine not to exceed $10,000, as well as civil penalties up to $25,000 per violation. North Carolina Professional Engineer's seal, signature, and date: . Applicant's Certification per 15A NCAC 02T .0106(b): Keri Cantrell, Chief Engineer attest that this application for (Signature Authority's name & title from Application Item I.3.) has been reviewed by me and is accurate and complete to the best of my knowledge.I understand that if all required parts of this application are not completed and that if all required supporting documentation and attachments are not included, this application package is subject to being returned as incomplete. I understand that any discharge of wastewater from this non - discharge system to surface waters or the land will result in an immediate enforcement action that may include civil penalties, injunctive relief, and/or criminal prosecution. I will make no claim against the Division of Water Resources should a condition of this permit be violated. I also understand that if all required parts of this application package are not completed and that if all required supporting information and attachments are not included, this application package will be returned to me as incomplete. NOTE — In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false statement, representation, or certification in any application package shall be guilty of a Class 2 misdemeanor, which may include a fine not to exceed $10,000 as well as civil penalties up to $25,000 per violation. Digitally signed by Keri 8 Cantrell Date: 2021.01.19 11:02:38 -05'00' Adobe Acrobat version: 2018.011.20040 1/19/2021 Date: FORM: FTA 04-16 Page 5 of 5 State of North Carolina Department of Environmental Quality Division of Water Resources Flow Tracking for Sewer Extension Applications (FTSE 10-18) Entity Requesting Allocation: The Isaacs Group Project Name for which flow is being requested: St. Marks EC (Church) More than one FTSE may be required for a single project if the owner of the WWTP is not responsible for all pump stations along the route of the proposed wastewater flow. I. Complete this section only if you are the owner of the wastewater treatment plant. a. WWTP Facility Name: McAlpine Creek, Irwin Creek, Sugar Creek b. WWTP Facility Permit #: NC0024970, NC0024945, NC0024937 All flows are in MGD c. WWTP facility's permitted flow 99.00 d. Estimated obligated flow not yet tributary to the WWTP 11.424 e. WWTP facility's actual avg. flow f. Total flow for this specific request g. Total actual and obligated flows to the facility h. Percent of permitted flow used 74.5 0.000756 85.924 86.7% II. Complete this section for each pump station you are responsible for along the route of this proposed wastewater flow. List pump stations located between the project connection point and the WWTP: (A) (B) (C) (D)=(B+C) (E)=(A-D) Design Obligated, Pump Pump Average Approx. Not Yet Total Current Station Station Firm Daily Flow** Current Tributary Flow Plus (Name or Permit Capacity, * (Firm / pf), Avg. Daily Daily Flow, Obligated Available Number) No. MGD MGD Flow, MGD MGD Flow Capacity*** Long Creek 8.5 3.4 4.809 0.631 5.44-2.040 Paw Creek 11.4 4.56 6.707 0.864 7.641 -3.081 * The Firm Capacity (design flow) of any pump station is defined as the maximum pumped flow that can be achieved with the largest pump taken out of service. ** Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor (pf) not less than 2.5, per Section 2.02(A)(4)(c) of the Minimum Design Criteria. *** A Planning Assessment Addendum shall be attached for each pump station located between the project connection point and the WWTP where the Available Capacity is < O. Downstream Facility Name (Sewer): Long Creek Outfall Downstream Permit Number: Unknown Page 1 of 6 FTSE 10-18 III. Certification Statement: Keri Cantrell certify to the best of my knowledge that the addition of the volume of wastewater to be permitted in this project has been evaluated along the route to the receiving wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity related sanitary sewer overflows or overburden any downstream pump station en route to the receiving treatment plant under normal circumstances, given the implementation of the planned improvements identified in the planning assessment where applicable. This analysis has been performed in accordance with local established policies and procedures using the best available data. This certification applies to those items listed above in Sections I and II plus all attached planning assessment addendums for which I am the responsible party. Signature of this form certifies that the receiving collection system or treatment works has adequate capacity to transport and treat the proposed new wastewater. Digitally signed by Keri B Cantrell Date: 2021.01.14 17:43:49-05'00' 1 /14/2021 Adobe Acrobat version: 2018.011.20040 Signing Official Signature Chief Engineer Title of Signing Official Date Page 2 of 6 FTSE 10-18 PLANNING ASSESSMENT ADDENDUM (PAA) Submit a planning assessment addendum for each pump station listed in Section II where Available Capacity is < 0. Pump Station (Name or Number): Given that: a. The proportion and amount of Obligated, Not Yet Tributary Daily Flow (C) accounts for 11.5 & 11.3 % and 0.631 & 0.864 MGD of the Available Capacity (E) in Pump Station Long Creek and Paw Creek ; and that b. The rate of activation of this obligated, not yet tributary capacity is currently approximately 0.631 & 0.864 MGD per year; and that c. A funded Capital Project that will provide the required planned capacity, namely Long Creek EQ Basin and Paw Creek FM Replacement is in design or under construction with planned completion in Long Creek EQ Basin - Complete ; and/or d. The following applies: Charlotte Water's Community Investment Plan has allocated funds for imprcvements to the Paw Creek Force main and a five -million gallon EQ basin at Long Creek Pump station. Long Creek and Paw Creek pump stations operate as a system using SCADA data to determine the rate of flow delivered from the upstream pump station, Long Creek, to Paw Creek the downstream facility. Long Creek pump station has the ability to transfer flows to flow equalization tanks during peak flow events and then meter out flow to Paw Creek as flow conditions allow. In addition, the basins for both stations are large and result in a daily peaking factor of 2.06 at Paw Creek pump station, which allows the stations to operate safely at flows greater than 40% of the firm pumping capacity. Therefore: Given reasonably expected conditions and planning information, there is sufficient justification to allow this flow to be permitted, without a significant likelihood of over -allocating capacity in the system infrastructure. I understand that this does not relieve the collection system owner from complying with G.S. 143- 215.67(a) which prohibits the introduction of any waste in excess of the capacity of the waste disposal system. Digitally signed by Keri B Cantrell Date: 2021.01.14 17:44:09 -05'00' Adobe Acrobat version: 2018.011.20040 1/14/2021 Signing Official Signature Date Page 3 of 6 FTSE 10-18 Instructions for Flow Tracking form (FTSE) and Planning Assessment Addendum (PAA) Section I a. WWTP Facility Name: Enter the name of the WWTP that will receive the wastewater flow. b. WWTP Facility Permit #: Enter the NPDES or Non -Discharge number for the WWTP receiving the wastewater flow. c. WWTP facility's permitted flow, MGD: From WWTP owner's NPDES or Non -Discharge permit. d. Estimated obligated flow not yet tributary to the WWTP, MGD: This includes flows allocated to other construction projects not yet contributing flow to the collection system. Flows allocated through interlocal agreements or other contracts not yet contributing flow to the collection system are also included. For POTWs that implement a pretreatment program, include flows allocated to industrial users who may not be using all of their flow allocation. Please contact your Pretreatment Coordinator for information on industrial flow tributary to your WWTP. As oJanuary 15, 2008 the POTW should have reviewed flow allocations made over the last two years and reconciled their flow records, to the best of their ability, so it is known how much flow has been obligated and is not yet been made tributary to the WWTP, in accordance with local policies and procedures employed by the reporting entity. e. WWTP facility's actual avg. flow, MGD: Previous 12 month average. f. Total flow for this specific request, MGD: Enter the requested flow volume. g. Total actual and obligated flows to the facility, MGD Equals [d + e + f] h. Percent of permitted flow used: Equals [(g / c)*100] For example: On January 15 a POTW with a permitted flow of 6.0 MGD, reported to the Regional Office that there is 0.5 MGD of flow that is obligated but not yet tributary. The annual average flow for 2007 is 2.7 MGD. There is a proposed flow expansion of 0.015 MGD. The first Form FTSE submitted after January 15, 2008 may have numbers like this: c. = 6.0 MGD d. 0.5 MGD e. = 2.7 MGD f. = 0.015 MGD g. = 3.215 MGD h. = 53.6% The next Form FTSE may be updated like this with a proposed flow expansion of 0.102 MGD: c. = 6.0 MGD d. = 0.515 MGD e. = 2.73 MGD f. = 0.102 MGD g. = 3.349 MGD h.=55.8% Each subsequent FTSE form will be updated in the same manner. Page 4 of 6 FTSE 10-18 Section II List the pump station name or number and approximate pump station firm capacity, approximate design average daily flow (A) approximate current average daily flow (B), and the obligated, not yet tributary flow through the pump station (C) for each pump station that will be impacted by the proposed sewer extension project. Calculate the total current flow plus obligated flow (D=B+C) and the available capacity (E=A-D). Include the proposed flow for this project with other obligated flows that have been approved for the pump station but are not yet tributary (C). Firm capacity is the maximum pumped flow that can be achieved with the largest pump out of service as per the Minimum Design Criteria. Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor (pf) of not less than 2.5. If the available capacity (E) for any pump station is < 0, then prepare a planning assessment for that pump station if the system has future specific plans related to capacity that should be considered in the permitting process. Pump Station (Name or Number) Kaw Creek PS (A) (B) (C) Obligated, Design Approx. Not Yet Firm Average Current Avg. Tributary Capacity Daily Flow Daily Flow, Daily Flow, MGD (Firm / pf) MGD MGD 0.800 0.320 0.252 0.080 (D)=(B+C) (E)=(A-D) Total Current Flow Plus Obligated Available Flow Capacity* 0.332 -0.012 Valley Road PS 1.895 0.758 0.472 0.135 0.607 0.151 Page 5 of 6 FTSE 10-18 I e