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HomeMy WebLinkAboutWQ0041795_Application (FTSE)_20200728Central Files: APS _ SWP 7/9/2020 Permit Number WQ0041795 Program Category Non -discharge Permit Type Gravity Sewer Extension, Pump Stations, & Pressure Sewer Extensions Primary Reviewer dean.hunkele Coastal SWRule Permitted Flow Facility Name Hidden Hills Subdivision Phase 2 Location Address Owner Permit Tracking Slip Status Project Type In review New Project Version Permit Classification A Individual Permit Contact Affiliation Major/Minor Region Minor Wilmington County New Hanover Facility Contact Affiliation Owner Name Owner Type Town of Carolina Beach Government - Municipal Owner Affiliation Bruce Oakley 1121 N Lk Park Blvd Dates/Events Carolina Beach NC 28428 Scheduled Ong Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration 7/6/2020 Regulated Activities Requested /Received Events Additional information requested Additional information received Outfall Waterbody Name Haggett Engineering Associates, Inc. July 2, 2020 Mr. Dean Hunkele Water Quality Regional Operations Section Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Subject: FAST -TRACK APPLICATION FOR SEWER EXTENSION Hidden Hills Subdivision — Phase II Oak Outlook Way, Carolina Beach, NC HEA Project No. 19-1004 Dear Mr. Hunkele: CEIVIE JUL 0 6 2020 llY: This application for a Sewer Extension is submitted on behalf of the Town of Carolina Beach. The proposed extension will serve the Hidden Hills Subdivision — Phase II which will include six 4- bedroom homes. Flow for this project is 2,880 GPD. The following items are included with this application: ➢ Fast Track Form 04-16, original and one copy. ➢ Application Fee; check number 5172. ➢ Site Map and Street Level Map; two copies of each map. ➢ Two copies of the FTSE forms provided by the Town of Carolina Beach. Please let us know if you require any further information to process this application. Thank you for your assistance. Sincerely, Haggett Engineering As Pociates, Inc. Douglas N. Haggett, P.E. Senior Engineer P.O. Box 15104 • Wilmington, North Carolina 28408 • 910-397.0808 State of North Carolina DWR Department of Environmental Quality Division of Water Resources 15A NCAC 02T .0300 — FAST TRACK SEWER SYSTEM EXTENSION APPLICATION Division of Water Resources /FTA 04-16 & SUPPORTING DOCUMENTATION Application Number: tl QQ \ 1 Q7 (to be completed by DWR) All items must be completed or the annlieation will be returned I. APPLICANT INFORMATION: 1. Applicant's name: Town of Carolina Beach (company, municipality, HOA, utility, etc.) 2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Privately -Owned Public Utility ❑ Federal ❑ State/County ® Municipal ❑ Other 3. Signature authority's name: Ed Parvin per 15A NCAC 02T .0106(b) Title: Assistant Town Manager 4. Applicant's mailing address: 1121 N. Lake Park Boulevard City: Carolina Beach State: NC Zip: 28428-_ 5. Applicant's contact information: Phone number: 910 458-2999 Email Address: mark.meyer@carolinabeach.org II. PROJECT INFORMATION: 1. Project name: Hidden Hills Subdivision - Phase II 2. Application/Project status: ® Proposed (New Permit) ❑ Existing Permit/Project If a modification, provide the existing permit number: W000_ and issued date: If new construction but part of a master plan, provide the existing permit number: W000 3. County where project is located: New Hanover 4. Approximate Coordinates (Decimal Degrees): Latitude: 34.048486' Longitude:-77.895073' 5. Parcel ID (if applicable): R08810-004-027-001 (or Parcel ID to closest downstream sewer) III. CONSULTANT INFORMATION: 1. Professional Engineer: Douglas N. Haggett License Number: 17202 Firm: Haggett Engineering Associates, Inc. Mailing address: POB 15104 City: Wilmington State: NC Zip: 28408 Phone number: (910) 397-0808 Email Address: haizeg tten ig neeri@bellsouth.net IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION: 1. Facility Name: Carolina Beach W WTP Permit Number: NCO023256 Owner Name: Town of Carolina Beach V. RECEIVING DOWNSTREAM SEWER INFORMATION (if different than WWTF): 1. Permit Number(s): W00024690 Downstream (Receiving) Sewer Size: 8 inch System Wide Collection System Permit Number(s) (if applicable): WQCS_ Owner Name(s): Town of Carolina Beach 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 Developer's Operational Agreement (FORM: DEVI been attached? ❑ Yes ❑No ®N/A 3. If the Applicant is a Home/Property Owners' Association, has an Operational Agreement (FORM: HOA) been attached? ❑ Yes ❑No ®N/A 4. Origin of wastewater: (check all that apply): ® Residential Owned ❑ Retail (stores, centers, malls) ❑ Car Wash ❑ Residential Leased ❑ Retail with food preparation/service ❑ Hotel and/or Motels ❑ School / preschool / day care ❑ Medical / dental / veterinary facilities ❑ Swimming Pool /Clubhouse ❑ Food and drink facilities ❑ Church ❑ Swimming Pool/Filter Backwash ❑ Businesses / offices / factories ❑ Nursing Home ❑ Other (Explain in Attachment) 5. Nature of wastewater: 100 % Domestic/Commercial % Commercial Industrial (See 15A NCAC 02T .0103(20)) "Is there a Pretreatment Program in effect? ❑ Yes ❑ No 6. Hasa flow reduction been approved under 15A NCAC 02T .0114(fl? ❑ Yes ®No ➢ If yes, provide a cony of flow reduction aooroval letter 7. Summarize wastewater generated by project: Establishment Type (see 02T.OI 14(f)) Daily Design Flow''" No. of Units Flow Single Family Homes - 4 Bedroom 120 gal/bedroom 24 2880 GPD gal/ GPD gal/ GPD gaL/ GPD gal/ GPD gal/ GPD Total 2880 GPD a See 15A NCAC 02T .0114(b). (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. 8. Wastewater generated by project: 2880 GPD (per 15A NCAC 02T .0114) ➢ Do not include future flows or previously permitted allocations If permitted flow is zero, indicate why: ❑ Pump Station or Gravity Sewer where flow will be permitted in subsequent permits that connect to this line ❑ Flow has already been allocated in Permit Number: ❑ Rehabilitation or replacement of existing sewer with no new flow expected ❑ Other (Explain): FORM: FTA 04-16 Page 2 of 5 VIL GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T .0305 & MDC (Gravity Sewers): 1. Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material 8 315 C900 PVC ➢ Section ❑ & 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 Mains): 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 6. 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)(11): ➢ 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 - 15A 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 IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)): 1. Does the project comply with all separations found in 15A NCAC 02T .0305(f) & (g) ➢ 15A NCAC 02T.0305 contains minimum separations that shall be provided for sewers stems: ® Yes ❑ No Setback Parameter* Separation Required Storm sewers and other utilities not listed below vertical 24 inches 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 11 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 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 ➢ 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 webnage ➢ If noncompliance with 02T.0305(fl or (g). see Section X of this application 2. Does the project comply with separation requirements for wetlands? (50 feet of separation) ❑ Yes ❑ No ® N/A ➢ 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 3. Does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .0200? ❑ Yes ❑ No ® N/A ➢ This would include Trout Buffered Streams per 15A NCAC 2B.0202 4. Does the project require coverage/authorization under a 404 Nationwide or ® Yes ❑ No individual permits or 401 Water Quality Certifications? ➢ Information can be obtained from the 401 & Buffer Permitting Branch 5. Does project comply with 15A NCAC 02T.0105(c)(6) (additional permits/certifications)? ® Yes [-]No Per 15A NCAC 02T.0 I 05(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.). 6. Does this project include any sewer collection lines that are deemed "high -priority?" 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 ❑ N/A ➢ 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 permitee's individual System -Wide Collection permit. FORM: FTA 04-16 Page 4 of 5 X. CERTIFICATIONS: 1. Does the submitted system comply with 15A NCAC 02T, the Minimum Design Criteria for the Permitting 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: I Douglas N. Haggett attest that this application for (Professional Engineer's name from Application Item 111.1.) 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. 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: 3. Applicant's Certification per 15A NCAC 02T .0106(b): 1. E—_D I1. Wvlo , N551 N (Signature Authority's name & tide from Application Item 1.3.) o` IH CARD �OQzz FESSt01 / Q l(�3vai SEAL rn 17202 that this application for 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. Signature: {� Date: ZZ.>VA/ozo FORM: FTA 04-16 Page 5 of 5 �✓ 1 \�� _,Lit 0 - O 41i l by j c�3 TARSOROq,, 00 M OlvROFq \ - - -- RA46 \ - - C 77� W'l ARLOD/7 -- 91 HIDDEN HILLS SUBDIVISION PHASE II -vt% CAROLINA BEACH, NC SITE MAP SCALE 1:1000 2019 I GETT HAGGETT ENGINEER I 5307 SOUTH COLLE WILMINGTON, NOR' H PHONE: (9 LICENSE I - 1 c:r-,C:nin --- PROPERTY BOUNDARY LOT 11 WILL BE SERVED BY THE EXISTING SANITARY SEWER INSTALLED PREVIOUSLY FOR PHASE I. 41 ESSI / iOJUN2o Y SEAL 17202 GRAPHIC SCALE 150 0 75 150 300 (IN FEET) 1 inch = 150 feet DATE: JUNE 10, 2020 SCALE: AS SHOWN JOB: 19-1004 FILE: 19100402 FIGURE NO.: 2 State of North Carolina Department of Environmental Quality F Division of Water Resources MvIsIon of wrler Resom<ea Flow Tracking/Acceptance for Sewer Extension Applications (FTSE 04-16) Entity Requesting Allocation: Town Of Carolina Beach Project Name for which flow is being requested: Hidden Hills Subdivision - Phase II 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 wastewalerjlow. 1. Complete this section only if you are the owner of the wastewater treatment plant. a. WWTP Facility Name: Town Of Carolina Beach b. WWTP Facility Permit M NCO023256 c. WWTP facility's permitted flow d. Estimated obligated flow not yet tributary to the WWTP e. WWTP facility's actual avg. flow f. Total flow for this specific request g. Total actual and obligated flows to the facility It. Percent of permitted flow used All flows are in MGD 1.225 0.875 0.00288 1.339 M 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) Design Pump Average Daily Station Finn Flow** (Name or Capacity, * (Finn / pt), Number) MGD MGD 6 .292 .117 (B) (C) (D)=(B+C) (E)=(A-D) Obligated, Approx. Not Yet Total Current Current Avg. Tributary Flow Plus Daily Flow, Daily Flow, Obligated Available MGD MGD Flow Capacity*** .087 .014 .101 .016 * The Firm Capacity 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. *** 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 < 0. Downstream Facility Name (Sewer): Town of Carolilna Beach Downstream Permit Number: WQ000018449 Page l of 6 FTSE 04-16 III. Certification Statement: F)D iI . PAfVI� 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 asse�4ment addendums for which I am the responsible party. Signature of this fonn indicates acceptap'ce of this wastewater flow. Signing Official Date Page 2 of 6 PTSE 04-16