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HomeMy WebLinkAboutWQ0043614_Application (FTSE)_20220714DWR Division of Water Resources State of North Carolina Department of Environmental Quality Division of Water Resources FAST TRACK SEWER SYSTEM EXTENSION APPLICATION FTA 06-21 & SUPPORTING DOCUMENTATION Application Number: L../r,%�%(2f1olirvmnrmd by DWR) All items must be completed or the application will be returned 1. APPLICANT INFORMATION: I. Applicant's name: Durham County (company, municipality, HOA, utility, etc.) 2. Applicant type: 0 Individual 0 Corporation 0 General Partnership ❑ Federal ® State/County 0 Municipal 3. Signature authority's name: Stephanie Brixev per I5A NCAC 02T .0106(b) Title: Deputy Director / POT W Director 4. Applicant's mailing address:5926 Highway 55 East City: Durham State:Mc Zip: 27713-_ 5. Applicant's contact information: Phone number: (219)-9034 Email Address: sbrixey6adconc.gov ❑ Privately -Owned Public Utility ❑ Other NCDcpt Of Environmental Quality JUL 14 2022 Raleigh Regiopai 011ice 11. PROJECT INFORMATION: I. Project name: Tanalewood 2. Application/Project status: ® Proposed (New Permit) 0 Existing Permit/Project Ifa modification, provide the existing permit number: W000_ and issued date: For modifications, also attach a detailed narrative description as described in Item G of the checklist. If new construction, but part of a master plan, provide the existing permit number: W000_ 3. County where project is located: Durham 4. Approximate Coordinates (Decimal Degrees): Latitude: 35.908394` Longitude:-78.820204' 5. Parcel ID (if applicable): 157701 & 157705 (or Parcel ID to closest downstream sewer) III. CONSULTANT INFORMATION: I. Professional Engineer: Preston Rooster License Number: 35003 Firm: C1 1A Mailing address: 111 West Main Street City Durham State: NC Zip: 27701-_ Phone number: (212) ¢62-Q}65 Email Address: proyster@citpa.com IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION: 1. Facility Name: Triangle Wastewater Treatment Plant Permit Number: NC0026051 Owner Name: Durham County V. RECEIVING DOWNSTREAM SEWER INFORMATION: I. Permit Number(s): WQ0038667 2. Downstream (Receiving) Sewer Information: 8 inch ® Gravity 0 Force Main 3. System Wide Collection System Permit Number(s) (if applicable): WQCS00038 Owner Name(s): Durham County FORM: F 06-21 Page I of 5 VI. GENERAL REQUIREMENTS I. 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 Developer's Operational Agreement (FORM: DEV) been attached? ❑ Yes ❑ No ® N/A 3. If the Applicant is a Home/Property Owners' Association, has an JIOA/POA Operational Agreement (FORM: HOAR and supplementary documentation as required by 15A NCAC 02T.0115(c) been attached? ❑ Yes ❑ No ®N/A 4. Origin of wastewater: (check all that apply): ® Residential (Individually Owned) 0 Retail (stores, centers, malls) ❑ Residential (Leased) ❑ Retail with food preparation/service ❑ School / preschool / day care ❑ Medical / dental / veterinary facilities ❑ Food and drink facilities ❑ Church 0 Businesses / offices / factories ❑ Nursing Home ❑ Car Wash ❑ Hotel and/or Motels Swimming PoobClubhouse ❑ Swimming Pool/Filter Backwash 0 Other (Explain in Attachment) 5. Nature of wastewater: 100%Domestic Q% Commercial 0% Industrial (See ISA NCAC 02T .0103(201) If Industrial, is (here a Pretreatment Program in effect? ❑ Yes 0 No 6. Has a flow reduction been approved under I SA NCAC 02T .0114(f)? 0 Yes ® No ➢ Jives, provide a cony of flow reduction approval letter with this application 7. Summarize wastewater generated by project: Establishment Type (see 02T.0114(t)) Daily Design Flow ^s No. of Units Flow Residential 360 gal/day 181 65,160GPD Swimming Pool / Bathhouses 10 gaVperson 100 1,000 GPD gaV GPD gaV GPD gaV GPD gal/ GPD Total 66,I60 GPD a See ISA NCAC 02T .0114(b). (d1.leN I) and (e1(2) for caveats 10 wastewater design flow rates (i.e., minimum flow per dwelling; proposed unknown non-residential development uses; public access facifties 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 ISA NCAC 02T.Q 114] shall be determined using available flow data, water using fixtures, occupancy or operation patterns, and other measured data. 8. Wastewater generated by project: 66.160 GPD (per 15A NCAC 02T .0114) ➢ Do not include future Flows or previously permitted allocations If permitted flow is zero, please indicate why: ❑ Pump Station/Force Main or Gravity Sewer where flow will be permitted in subsequent permits that connect to this line. Please provide supplementary information indicating the approximate timefmme for permitting upstream sewers with flow. ❑ Flow has already been allocated in Permit Number: Issuance Date: ❑ Rehabilitation or replacement of existing sewers with no new flow expected ❑ Other (Explain): FORM: FTA 06.21 Page 2 of 5 VII. GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T .0305 & MDC (Gravity Sewers): I. Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material 8 3,672 DIP 8 1,812 PVC S(11 ➢ Section 11 & 111 of the MDC for Permitting of Gravity Sewers contains information related to design criteria ➢ Section 111 contains information related to minimum slopes for gravity sewer(s) ➢ Oversieing 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 (Pam, Stations/Force Mains): PROVIDE A SEPARATE COPY OF THIS PAGE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT I. Pump station number or name: 2. Approximate Coordinates (Decimal Degrees): Latitude: . 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 I5A NCAC 02T .03050h1(1)i ❑ Standby power source or ❑ Standby pump ➢ Must have automatic activation and telemetry - I5A NCAC 02T.0305(hx IXB): ➢ 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 I5A NCACO2T.0305(hx1)(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 (ravel timeframes, shall be provided as part of this permit application in the case ofa multiple station power outage. FORM: FTA 06-21 Page 3 of 5 IX. SETBACKS & SEPARATIONS—(02B .0200 & 15A NCAC 02T.0305(0): I. Does the project comply with all separations/alternatives found in ISA NCAC 02T .0305(D & (g)? ® Yes ❑ No 15A NCAC 02T.0305(D contains minimum separations that shell be provided for sewer systems• Setback Parameter* Separation Required Storm sewers and other utilities not listed below (vertical) 18 inches [Water mains (vertical - water over sewer preferred, 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 1 or Class II impounded reservoirs used as a source of drinking water, and associated wetlands. 100 feel **Waters classified WS (except WS-1 or WS-V), B, SA, ORW, HOW, 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 D If noncompliance with 02T.0305(f) or (a) see Section X.1 of this application • 15A NCAC 02T.0305(g) contains altematives 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 weboage 2. Does this project comply with the minimum separation requirements for water mains? ® Yes ❑ No ❑ NJA D If no, please refer to 15A NCAC I8C.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 dmfl 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: Neuse ❑ No If yes, does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .0200? ® Yes ❑ No D This includes Trout Buffered Streams per 15A NCAC 2B.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 J5A NCAC 02T.OI05(c)(6) (additional permits/certifications)? ® Yes ❑ No Per ISA 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, stormwaler 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 sireambanks that are subject to erosion that undermines or deteriorates the sewer, Siphons and sewers suspended through interference/conflict boxes require a variance approval. D 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 permitlee or its representative at least once every six -months and inspections documented per ISA NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit. FORM: FTA 06-21 Page 4 of 5 CERTIFICATIONS: I. Does the submitted system comply with ISA NCAC 02T, the Minimum Design Criteria for the Permitting of Puma Stations and Force Mains (gated vyr igny and the Grey' Sewer Minimum jitsign Criteria (latest version) as applicable? ®Yes ❑No If no, for projects requiring a single variance, complete and submit the Variance/Alternative Design Request application (VADC 10-14) and supporting documents for review to the Central Office. Approval of the request will be issued concurrently with the approval of the permit, and nrojecis requiring a variance approval may be subiect to longer review times. For projects requiring two or more variances or where the variance is determined by the Division to be a significant portion of the project, the full technical review is required. 2. Professional Engineer's Certification: I, Preston Rooster , attest That this application for Janglewood (Professional Engineer's name from Application Item 111.1.) (Project Name from Application Item 11.1) 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. 1 further attest that to the best of my knowledge the proposed design has been prepared in accordance with the applicable regulations, Minimum Design Criteria for Gravity Sewers (latest version), and the Minimum Design Criteria for the Fast -Track Permittimt of Pumn Stations and Force Mains f 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 1 have reviewed This material and have judged it to be consistent wills the proposed design. NOTE -- In accordance with General Statutes 143-2 I5.6A 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. Misrepresentation of the application information, including failure to disclose any design non-compliance with the applicable Rules and design criteria, may subject the North Carolina -licensed Professional Engineer to referral 10 the licensing board. (21 NCAC 56.0701) North Carolina Professional Engineer's seal, signature, and date: 3. Applicant's Certification per I5A NCAC 02T .0106(b): 1 Sk&(AlnQ.t. `?r VA/ attest that this application for Tanglewood (Signature Authority Name from Apolieation Item 1.3,) (Project Name from Applkmion Item 11. I ) attest that this application has been reviewed by me and is accurate and complete to the best of my knowledge. 1 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. 1 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 pans of this application package are not completed and that if all required supporting information and attachments are not included, this application package will be retuned 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. Signature: dots 7cou; c(j/..aJ46-6 Date: '].I IIIZ0L3. FORM: FTA 06-21 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: Durham County Project Name for which flow is being requested: Tanglewood More than one FTSE may be required for a single project if the owner of the IPITTP 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: Triangle Wastewater Treatment Plant b. WWTP Facility Permit #: NC0026051 All flows are in MGD c. WWTP facility's permitted flow 12 d. Estimated obligated flow not yet tributary to the WWTP 1.4077 e. WWTP facility's actual avg. flow 4.0280 f Total flow for this specific request 0.06616 g. Total actual and obligated flows to the facility 5.5019 h. Percent of permitted flow used 45.8 I1. 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 Average Approx. Obligated, Total Pump Pump Daily Current Not Yet Current Station Station Firm Flow" Avg. Daily Tributary Flow Plus (Name or Permit Capacity,' (Firm / pf), Flow, Daily Flow, Obligated Available Number) No. MGD MGD MGD MGD Flow Capacity Stirruplron W00039913 6.50 2.60 1.197 0.345 1.542 1.058 * 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 W WTP where the Available Capacity is < O. Downstream Facility Name (Sewer): Durham County Sewer Downstream Permit Number: WQCS00038 Page 1 of 6 FTSE 10-18 TAngitwooci III. Certification Statement: I S{ 4phent t i j certify to the best of my knowledge that the addition of the volume oiwastewater to bep&mitted 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. %�ilAAPI at A CIl\ I2 22 Signing Of ial Signature L1 1 Date �9JhL Thtltt C'. n I �%T�i �i �Ilf.eJ�rl Title of$igni Official l Page 2 of 6 FTSE 10-18 PROJECT NARRATIVE Tanglewood May 10, 2022 NC Dept of Environmental Quality JUL 14 2022 Raleigh Regional Office The Tanglewood project involves the construction of a new residential development consisting of 181 townhomes, an amenity center, and the associated public streets and infrastructure. The site is located on the west side of Page Road, south of its intersection with Globe Rd within the City limits for the City of Durham in Durham County. Based on the 2T rules, the anticipated design sewage flow has been calculated to be 65,160 gallons/day (181 townhomes x 3 bedrooms x 120 gpd/bedroom) for the townhomes. In addition, the sewer flow from the swimming pool / bathhouse is calculated to be 1,000 gallons/day (10 gal/person x 100 people). So, the total sewer flow for this project is 66,160 gallons/day. There is an existing public gravity main (owned and maintained by Durham County) on the west side of the site in the Bethpage Phase 3 project. The permit number for this sewer system is WQ0038667. The Tanglewood project will connect to the existing gravity system in Sounding Lane and extend to the east across the property to the south of the project site that is owned by the Islamic Association of Raleigh (IAR) before heading north onto the project site. The gravity outfall on the IAR site will be located along the alignment of a previously approved force main (permit WQ0040873 for the TMC Page Road project). The force main for the TMC project will be shortened to tie to the proposed outfall for the Tanglewood project rather than extend to the Bethpage Phase 3 project as approved. The associated permit for TMC will be modified accordingly. For the Tanglewood project, the proposed improvements include the construction of approximately 5,484 ft of new 8" public gravity sewer main and the services for each lot. The proposed mains will be located either in City of Durham street public right-of-way or Durham County sanitary sewer easements and will eventually be part of Durham County's public sewer system. ;JT, P.A. 111 WEST MAIN ST OURHAM, NC 27701 '919) 682-0368 AERIAL LOCATION MAP - GOOGLE EARTH TANCLEW00D 4 ? ?Storr Office Environments i » Feature 1 Z. run 0 Scan NOVEMBER 8, SCALE: 1' DRAWN B) . - . 4 GENERAL ELECTRIC SVT, PA 111 WEST MAIN ST NRHAM, NC 27701 '919) 682-0368 USGS MAP - SOUTHEAST DURHAM QUAD TANGLEWOOD NOVEMBER 8, SCALE: 1"-, DRAWN 61