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HomeMy WebLinkAboutWQ0040497_Application (FTSE)_20181017State of North Carolina Department of Environmental Quality DWR 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: � ka N (to be completed by DWR) All items must be completed or the application will be returned rr>k6U Ile I. APPLICANT INFORMATION: 1. Applicant's name: Durham County (company, municipality, HOA, utility, etc.) 2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Federal State/County 3. Signature authority's name: Stephanie Brixxe ++ per ] 5A t_C=AC 02T_0lQL b Title: Deputy Director / POTW Director 4.Applicant's mailing address: 5926 Highway55 East City: Durham State: NC Zip: 27713- 5. Applicant's contact information: Phone number: (919) 560-9034 Email Address: sbrixev@dconc.gov II. PROJECT INFORMATION: ❑ Privately -Owned Public Utility ❑ Other l . Project name: Creekside at Bethpage Phase 5 2. Application/Project status: ® 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: Durham 4. Approximate Coordinates (Decimal Degrees): Latitude: 35.9024 Longitude:-78.8288 5. ParceI ID (if applicable): 157719 (or Parcel ID to closest downstream sewer) III. CONSULTANT INFORMATION: 1. Professional Engineer: John C. Martin License Number: 043217 Firm: McAdams Mailing address: 2905 Meridian Parkway City: Durham State: NC Zip: 27713-� Phone number: 9( 19) 361-5000 Email Address: 'martin mcadamsco.com IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION: 1. Facility Name: Triangle W WTP Permit Number: NC 0026051 Owner Name: Durham County V. RECEIVING DOWNSTREAM SEWER INFORMATION (if different than WWTF): a o N � o .0 Z 1. Permit Number(s): WQBuilt before 1984, DIP Downstream (Receiving) Sewer Size: 15 inch System Wide Collection System Permit Number(s) (if applicable): WQCS00038 Owner Name(s): Durham County FORM: FTA04-16 Page 1 of 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 Develq is Operatiggd Apreemenr JFOItM: DEVI been attached? [—]Yes ❑No ®N: A 3. If the Applicant is a Home -Property Owrters' Association, has an erational Aeement f fORMR HOAI been attached? ❑ Yes ❑No ®NrA 4. Origin of wastewater: (check all that apply): ® Residential Owned ❑ Retail (stores, centers, malls) ❑ Car Wash ❑ Residential Leased ❑ Retail with food preparationtservice ❑ Hotel and/or Motels ❑ School i preschool.: day care ❑ Medical 1 dental i veterinary facilities ❑ Swimming Pool /Clubhouse ❑ Food and drink facilities ❑ Church ❑ Swimming Pool/Filter Backwash ❑ Businesses + offices f factories ❑ Nursing Home ❑ Other (Explain in Attachment) 5. Nature of wastewater: 100 % DomesticlCommercial % Commercial % Industrial (See I5A NCAC 02T.0103(20)) - Is there a Pretreatment Program in effect? [:]Yes ❑ No 6. Has a flow reduction been approved under 15A NCAC 0?T .0114ftl? ❑ Yes ® No ➢ If yes, provide a copy of flow reduction approval letter 7. Summarize wastewater generated by project: Establishment Type (see 021.01140 Daily Design Flow'.5 No. of Units Flow 3 Bedroom Units 360 gal/unit 79 28440 GPD gal/ GPD gal/ GPD gaV GPD gal/ GPD gal/ GPD / Total 28440 GPD a See 15A NCAC 02T .0114 b d 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-41. b Per 15A NCAC 02T .0114(c), design flow rates for establishments not identified [in table 15A NCAC 02T.01141 shall be determined using available flow data, water using fixtures, occupancy or operation patterns, and other measured data. 8. Wastewater generated by project: 28440 GPD (per 15A NCAC 02T A 1 14)/ ➢ Do not include future flows or previously permitted allocations v 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 VII. GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T d1305 & MDC (Gravity Sewers) Summarize gravity sewer to be permitted: Size (inches) Length (feet) Material 8 2217 PVC 8 326 DIP ➢ Section 11 & 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) R 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 .0305th t): ❑ 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 - 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 1X. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(1)): 1. Does the project comply with all separations found in 15A NCAC. 02T .03050) & (e} )t,. 14 A MrAr m•r ninsrfl rnnra;nu minimnm separations that shall be nrovided for sewer systems: ® Yes ❑ No Setback Parameter* Separation Required Storm sewers and other utilities not listed below vertical 24 inches Water mains vertical -water over sewer includinp, 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-1 waters of Class I or Class lI 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(W contains alternatives where separations in 02T.03.05LQ cannot be achieved. ➢ "Stream classifications can be identified using the Division's NC Surface Water Classifications weboiwe ➢ If noncompliance with 02T.0305Lfjor see Section X of this application 2. Does the project comply with separation requirements for wetlands? (50 feet of separation) ® Yes ❑ No ➢ 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 all setbacks found in the river basin rules per 15A NCAC 02B .0200? ® Yes ❑ No ➢ This would include Trout Buffered Streams per 15A NCAC 213.0202 4. Does the project comply with an individual 404 Permit or any 401 Certifications? ® Yes ❑ No ➢ 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 CAC 02T.0105(c1(61 (additional permits/certifications)? ® Yes ❑ No Per 15A NCAC 02T 0I05(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 ➢ 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 Criteriia for the Permitting of Pomp 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, 3 a Htu G MAP -Mt l - ...attest that this application for (Professional Engineer's name from Application Item Ill. l .) 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 143-215.613, 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): 0 (Signature Au ty s name & titl4 from Application Item I.3.) attest 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 143-215.613, 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 S25,000 per violation. Signature: Date: FORM: FTA 04-16 Page 5 of 5 J MCADAMS LETTER OF TRANSMITTAL NC Dep4 of Environmental Quality OCT 17 2018 Raleigh Regional Office To: NCDENR Division of Water Resources Date: October 15, 2018 Ralelcih Regional Office 1628 Mail Service Center -Raleigh, North Carolina 27699-1628 " FEDERAL EXPRESS " 919-791-4200 Re: Creekside at Bethpage - Phase 5 Job No.: AVH-17010 I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 2 Cover Letter 2 1 Original & 1 Co - Signed FTA 04-16 1 Check for $480 for application fee 2 1 Original & 1 Copy - Signed Flow Tracking/Acceptance Form FTSE 04-16 2 Site Ma s These are transmitted as checked below: ❑ As requested ❑ ® For approval ❑ ❑ For review and comment ❑ Remarks: For your use Signed: � J re .Finch, PElnj 5e for roject Manager - Residential Charlotte Parkway 11301 Carmel Commons Blvd., Suite 111 h Carolina 361-5000 (704)527-0800 Designing Tomorrow's Infrastructure & Communities McAdamsCo.com Copy to: Raleigh -Durham 2905 Meridian Durham, (919) J McADAMS October 15, 2018 NCDENR - DWR Raleigh Regional Office 1628 Mail Service Center Raleigh, North Carolina 27699-1628 Re: Creekside at Bethpage — Phase 5 Durham, North Carolina AVH-17010 14C Dept of environmental Qaaiity OCT 17 2018 Raleigh Regional of The accompanied Fast -Track Application (FTA 04-16) includes 2,543 lineal feet of 8" gravity sanitary sewer system for the proposed Creekside at Bethpage — Phase 5 development located off Chin Page and Page Road in Durham, NC. The sewer system will be a public system owned and operated by Durham County. Flow for 79 units associated with Phase 5 of the development (28,440 GPD) is being requested with this permit application. Sincerely, THE JOHN R. MCADAMS COMPANY, INC. 74�_� ?hn Martin, P.E. Technical Manager, Engineering Services Enclosures The John R. McAdams Company, Inc. Raleigh / Durham, NC 2905 Meridian Parkway Durham, North Carolina 27713 (919)361.5000 Charlotte, NC 11301 Carmel Commons Blvd, suite I I I Charlotte North Carolina 28226 (704)527.0800 McAdamsro.com Designing Tomorrow's Infrastructure & Communities 'J iv1cADaMs October 15, 2018 NCDENR - DWR Raleigh Regional Office 1628 Mail Service Center Raleigh, North Carolina 27699-1628 Re: Creekside at Bethpage — Phase 5 Durham, North Carolina AVH-17010 The accompanied Fast -Track Application (FTA 04-16) includes 2,543 lineal feet of 8'' gravity sanitary sewer system for the proposed Creekside at Bethpage — Phase 5 development located off Chin Page and Page Road in Durham, NC. The sewer system will be a public system owned and operated by Durham County. Flow for 79 units associated with Phase 5 of the development (28,440 GPD) is being requested with this permit application. Sincerely, THE JOHN R. MCADAMS COMPANY, WC. J hn C. Martin, P.E. Technical Manager, Engineering Services Enclosures The John R. McAdams Company, Inc. Raleigh 1 Durham, NC 2905 Meridian Parkway Durham. Narth Carolina 27713 (919)361.5000 Charlotte, NC 11301 Carmel Commons Blvd, Suite i 11 Charlotte North Carolina 28225 (704)527-0800 McAdansftw Designing Tomorrow's Infrastructure & CommuniVes r • n Aft •� _ � IL ti .. f ! k J� f �"y �, ♦9 a fir' � � .l • �' � _ . f r. � L + t . 3• J } 4� 1 � w Rib �. ..r r i, ,f 0-0rsvc w` it All Ir IL Alit na hi lr, AV 1. I+ � � V - i�r'r, .� •� ' _ � � , . r t� � 5"1 ��,yjS•� �y yr{ S - . r F� ,.! • .�}, LZ+� '� 1' ? t { :L 41'�'�G 1 J!'.)G�`� �''4�.it � 9 ifu�y0jfi} INALState of North Carolina 1 Department of Environmental Quality Division of Water Resources Division of Water Resources Flow Tracking/Acceptance for Sewer Extension Applications (FTSE 04-16) Entity Requesting Allocation: Durham County Project Name for which flow is being requested: Creekside at Bethpage - Phase 5 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: Triangle Wastewater Treatment Plant b. WWTP Facility Permit #: NCO026051 All,flows are in MGD c. WWTP facility's permitted flow 12 Z% d. Estimated obligated flow not yet tributary to the WWTP 2.320 e. WWTP facility's actual avg. flow 4.244 £ Total flow for this specific request 0.02844 c g. Total actual and obligated flows to the facility 6.592 cq h. Percent of permitted flow used 54.94 II. Complete this section for each pump station you are responsible for along the route o bis C- proposed wastewater flow. List pump stations located between the project connection point and the WWTP: z (A) (B) (C) (D)=(B+C) (E)-(A-D) Design Obligated, Pump Average Daily Approx. Not Yet Total Current Station Firm Flow** Current Avg. Tributary Flow Plus (Name or Capacity, * (Firm I po, Daily Flow, Daily Flow, Obligated AvaiIable Number) MGD MGD MGD MGD Flow Capacity*** StirrupIron 3.540 1.416 1.142 0.372 1.514 -0.098 -*-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): Durham CountX Sewer Downstream Permit Number: WQCS00038 0 O CI 0 e� CU Ai Page 1 of 6 r' J'Vr nA 1 III. Certification Statement: I Stephanie Brixey 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 indicates acceptance of this wastewater flow. Signature Page 2 of 6 F`rrhT rLA I PLANNING ASSESSMENT ADDENDUM (PAA) Submit a planning assessment addendum for each pump station Iisted 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 26.3 % and 0.372 MGD of the Available Capacity (E) in Pump Station Stirrup Iron Creek ; and that b. The rate of activation of this obligated, not yet tributary capacity is currently approximately 0.10 MGD per year; and that c. A funded Capital Project that will provide the required planned capacity, namely IFB 18-029: Stirrup Iron Creek Lift Station is in design or under construction with _Capacity Improvements (WQ0039913) planned completion in May 2019 ; and/or d. The following applies: See email chain between K le Manning Durham Count and Jason Robinson E concerning two pump failures at the station. The current firm caRacity is based upon the 160 hp bypass Rump being in operation with the 70 h um . Once the capital 2roject is com leted, the firm capacity will be 6.5 MGD 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. Signing OWIcial Signature Page 3 of 6 h W ifY W!i=i!3 Manning, Kyle F. From: Robinson, Jason <jason.t.robinson@ncdenr.gov> Sent: Wednesday, June 20, 2018 1:31 PM To: Manning, Kyle F. Cc: Cashion, Ted Subject: RE: [External] FTSE Question for Stirrup Iron - Durham County Sounds good Kyle, just keep us posted on the status and be sure to explain in the narrative and on the FTSE addendum. -Jason ------------ Jason T. Robinson, P.E. Raleigh Regional Office Water Quality Regional Operations Division of Water Resources, DEQ 919-791-4200 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Manning, Kyle F. [mailto:kmanning@dconc.gov] Sent: Wednesday, June 20, 2018 7:45 AM To: Robinson, Jason <jason.t.robinson@ncdenr.gov> Cc: Cashion, Ted <ted.cashion@ncdenr.gov> Subject: RE: [External] FiSE Question for Stirrup Iron - Durham County Jason, I do not have a firm date yet on the 200 HP pumps. The bids are due on 6/28. The contractor will have 240 days from the notice to proceed to reach substantial completion. So, we are looking at 8 —10 months out before the two additional pumps are installed and operational. The pumps have a lead time of about 6 months. As for the timeline with the upcoming projects, I'm unsure. I will have to check with the developers. I'll make sure to include a letter outlining the situation for all sewer extension permits tributary to the Stirrup Iron Pump Station. Thanks, Kyle Manning, PE I Senior Project Manager ff:0 DURHAM COUNTY Engineering and Environmental Services 5926 Highway 55 East Durham, North Carolina 27713 Office: (919) 560-9039 1 Cell (919) 291-2168 1 Fax (919) 544-8590 From: Robinson, Jason mailto:iason.t.robinson ncdenr. ov Sent: Tuesday, June 19, 2018 3:31 PM To: Manning, Kyle F. <kmannine@dconc.eov> Cc: Cashion, Ted <ted.cashion ncdenr. ov> Subject: RE: [External] FTSE Question for Stirrup Iron - Durham County Hi Kyle, Yes, the Firm Capacity should be the pump capacity with the largest pump out of service, including the bypass pump. And whether the available capacity is positive or negative on the FTSE, the "Planning Assessment Addendum" on the FTSE should be completed since this situation is in in flux. The situation should also be mentioned in the narrative for the project. Do you know when the two additional 200 HP pump be installed? Would it be before a newly permitted project would be built and be put into service? Thanks, Jason ------------ Jason T. Robinson, P.E. Raleigh Regional Office Water Quality Regional Operations Division of Water Resources, DEQ 919-791-4200 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Low and may be disclosed to third parties. From: Manning, Kyle F. [mailto:kmannine@dconc.sov) Sent: Monday, June 18, 201812:42 PM To: Robinson, Jason <iason.t.robinson ncdenr. ov> Subject: [External] FTSE Question for Stirrup Iron - Durham County Jason, I was curious on how to handle USE permitting associated with Stirrup Iron Pump Station going forward as the number and type of pumps have changed due to the failure of both 200 HP pumps. In a week or two, we will receive one of the 200 HP pumps back from the repair shop. The other 200 HP pump is not repairable. After the 200 HP pump is reinstalled, we will have keep an additional submersible bypass pump onsite to maintain redundancy. Based on drawdowns, the submersible bypass pump pumps at a rate less than the 200 HP pump (I'm waiting to get a confirmed number from our maintenance staff). Would the Firm Capacity be the capacity with the largest pump out of service? Is this ok even with the bypass pump? In the event it shows that we have negative capacity at the station, will it be ok to submit FTSE applications showing the negative number as we are in the process of adding two additional 200 HP pumps (WQ0039913)? i.e. Will they be approved, even if conditional? Thanks, Kyle Manning, PP I Senior Project Manager 110 DURHAM COUNTY Engineering arod Environmental Services 5926 Highway 55 East Durham, North Carolina 27713 Office: (919) 560-9039 1 Cell (919) 291-2168 1 Fax (919) 544-8590 Manning, Kyle F. From: Robinson, Jason <jason.t.robinson@ncdenr.gov> Sent: Wednesday, June 20, 2018 1:31 PM To: Manning, Kyle F. Cc: Cashion, Ted Subject: RE: [External] FTSE Question for Stirrup Iron - Durham County Sounds good Kyle, just keep us posted on the status and be sure to explain in the narrative and on the FTSE addendum. -Jason ------------ Jason T. Robinson, p,E. Raleigh Regional Office Water Quality Regional Operations Division of Water Resources, DEQ 919-791-4200 E-mail correspondence to and from this address may be subject to the North Carolina Public Records law and may be disclosed to third parties. From: Manning, Kyle F. [mailto:kmanning@dconc.gov] Sent: Wednesday, June 20, 2018 7:45 AM To: Robinson, Jason <jason.t.robinson@ncdenr.gov> Cc: Cashion, Ted <ted.cashion@ncdenr.gov> Subject: RE: [External] FTSE Question for Stirrup iron - Durham County Jason, I do not have a firm date yet on the 200 HP pumps. The bids are due on 6/28. The contractor will have 240 days from the notice to proceed to reach substantial completion. So, we are looking at 8 -10 months out before the two additional pumps are installed and operational. The pumps have a lead time of about 6 months. As for the timeline with the upcoming projects, I'm unsure. I will have to check with the developers. I'll make sure to include a letter outlining the situation for all sewer extension permits tributary to the Stirrup Iron Pump Station. Thanks, Kyle Manning, PE E Senior Project Manager -y►�DURHAM COl1NTY h Envacir io t it Se vl[?C 5926 Highway 55 rzast Durham, North Carolina 27713 Office: (919) 560-9039 1 Cell (919) 291-2168 1 Fax (919) 544-8590 From: Robinson, Jason[mailto:iason.t.robinson@ncdenr.gov] Sent: Tuesday, June 19, 2018 3:31 PM To: Manning, Kyle F. <kmannine@dconc..gov> Cc: Cashion, Ted <ted.cashion ncdenr.,ov> Subject: RE: [External] FTSE Question for Stirrup Iron - Durham County Hi Kyle, Yes, the Firm Capacity should be the pump capacity with the largest pump out of service, including the bypass pump. And whether the available capacity is positive or negative on the FTSE, the "Planning Assessment Addendum" on the FTSE should be completed since this situation is in in flux. The situation should also be mentioned in the narrative for the project. Do you know when the two additional 200 HP pump be installed? Would it be before a newly permitted project would be built and be put into service? Thanks, Jason ------------ Jason T. Robinson, P.E. Raleigh Regional Office Water Quality Regional Operations Division of Water Resources, DEQ 919-791-4200 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Low and may be disclosed to third parties. From: Manning, Kyle F. [mailto:kmanning(@dconc.eov) Sent: Monday, June 18, 201812:42 PM To: Robinson, Jason <'ason.t.robinson ncdenr. ov> Subject: [External] FTSE Question for Stirrup Iron - Durham County Jason, I was curious on how to handle FTSE permitting associated with Stirrup Iron Pump Station going forward as the number and type of pumps have changed due to the failure of both 200 HP pumps. In a week or two, we will receive one of the 200 HP pumps back from the repair shop. The other 200 HP pump is not repairable. After the 200 HP pump is reinstalled, we will have keep an additional submersible bypass pump onsite to maintain redundancy. Based on drawdowns, the submersible bypass pump pumps at a rate less than the 200 HP pump (I'm waiting to get a confirmed number from our maintenance staff). Would the Firm Capacity be the capacity with the largest pump out of service? Is this ok even with the bypass pump? In the event it shows that we have negative capacity at the station, will it be ok to submit FTSE applications showing the negative number as we are in the process of adding two additional 200 HP pumps (WQ0039913)? i.e. Will they be approved, even if conditional? Thanks, Kyle Manning, PE I Senior Project Manager ObURHAM COUNTYis i1qaidi.'nrl(p elr G' �nvirunfnGr�ili S a,r 5926 Highway 55 East Durham, North Carolina 27713 Office: (919) 560-9039 1 Cell (919) 291-2168 E Fax (919) 544-8590