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MONTHYEARML14156A1302014-06-0606 June 2014 Request for Additional Information Regarding Flood Hazard Reevaluation Report Project stage: RAI ML15119A1932015-04-29029 April 2015 NRR E-mail Capture - Catawba Nuclear Station-Fukushima 2.1 Flooding-FHRR Review RAIs Project stage: Other ML15155A6312015-06-0808 June 2015 Nuclear Regulatory Commission Plan for the Audit of Duke Energy Carolinas, Llc'S Flood Hazard Reevaluation Report Submittal Relating to the Near-Term Task Force Recommendation 2.1 Flooding for Catawba Nuclear Station, Units 1 and 2 Project stage: Other ML15278A0172015-10-0505 October 2015 Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 10 CFR 50.54(F) Information Request; Flood-Causing Mechanism Reevaluation (TAC Nos. MF3625 and MF3626) Project stage: Other ML15268A2982015-10-0505 October 2015 Interim Staff Response Enclosuflooding Tables 1 and 2 Project stage: Request ML15352A1922015-12-21021 December 2015 Revised Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 10 CFR 50.54(f) Information Request - Flood Causing Mechanism Reevaluation Project stage: Other 2015-12-21
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Category:Graphics incl Charts and Tables
MONTHYEARRA-20-0263, Duke Energy Corp. - Request to Use Provision of Later Edition and Addenda of ASME Boiler and Pressure Vessel Code, Section XI for Repair/Replacement Activities in Accordance with 10 CFR 50.55a(g)(4)(iv)2020-09-16016 September 2020 Duke Energy Corp. - Request to Use Provision of Later Edition and Addenda of ASME Boiler and Pressure Vessel Code, Section XI for Repair/Replacement Activities in Accordance with 10 CFR 50.55a(g)(4)(iv) ML16056A1392016-03-11011 March 2016 Correction to the U.S. Nuclear Regulatory Commission Analysis of Licensees' Decommissioning Funding Status Reports ML15352A1922015-12-21021 December 2015 Revised Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 10 CFR 50.54(f) Information Request - Flood Causing Mechanism Reevaluation ML15268A2982015-10-0505 October 2015 Interim Staff Response Enclosuflooding Tables 1 and 2 ML14307B7072014-12-10010 December 2014 Supplemental Information Related to Development of Seismic Risk Evaluations for Information Request Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Seismic Hazard Reevaluations for Recommendation 2.1 of the Near-T CNS-14-100, Relief Request Serial Number 14-CN-001, Relief Request for Limited Volumetric Examination of Class 1 Welds2014-09-11011 September 2014 Relief Request Serial Number 14-CN-001, Relief Request for Limited Volumetric Examination of Class 1 Welds ML12312A0692012-10-17017 October 2012 Table 16.8-1-2 Unit 2 Cpcopds ML1214500142012-05-23023 May 2012 NFPA 805 LAR Status Matrix - May 2012 ML11207A4572011-07-21021 July 2011 Report Pursuant to 10 CFR 50.46, Changes to or Errors in an ECCS Evaluation Model ML1103500032011-02-0909 February 2011 Correction Letter for License Amendment Nos. 262 and 258, Regarding Technical Specification 3.8.4 DC (Direct Current) Sources - Operating. ML1025600662010-09-0808 September 2010 Response to Request for Additional Information Related to the License Amendment Request Applicable to Technical Specification (TS) 3.8.4 DC Sources-Operating ML0728203072007-10-11011 October 2007 Electronic Distribtion Initiative Letter, Licensee List, Electronic Distribution Input Information, Division Plant Mailing Lists ML0715002972007-05-22022 May 2007 Units 1 & 2 - Report Pursuant to 10 CFR 50.46, Changes to or Errors in an ECCS Evaluation Model ML0529902932005-10-19019 October 2005 FAQ Log 10/19/2005 ML0506100192005-02-17017 February 2005 Request for Relief Number 05-CN-001 Limited Weld Examinations During End-of-Cycle 14 Refueling Outage ML0403602192004-01-22022 January 2004 /22/2004 Meeting Handouts by the Licensee - Enclosure 3 ML0307904262003-03-20020 March 2003 Attachment - Table 1 Summary of Relief Requests 2020-09-16
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Catawba, Units 1 & 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Local Intense Precipitation Unit 1 Side of the Yard 594.7 ft msl Minimal 594.7 ft msl Response to NRC Request for Additional Information Regarding the FHRR, dated July 28, 2015 (ADAMS Accession No. ML15222A535)
Unit 2 Side of the Yard 594.7 ft msl Minimal 594.7 ft msl Response to NRC Request for Additional Information Regarding the FHRR, dated July 28, 2015 (ADAMS Accession No. ML15222A535)
Streams and Rivers Lake Wylie CNS Intake 581.1 ft msl Not 581.1 ft msl FHRR Section 1.2.2 and Table 3-1 applicable Standby Nuclear Service Water 583.5 ft msl 1.0 ft 584.5 ft msl FHRR Section 1.2.2 Pond Dam Failure of Dams and Onsite Water Control/Storage Structures Lake Wylie CNS Intake 592.4 ft msl 1.5 ft 593.9 ft msl FHRR Table 1.2.8-1 (Combined Effects)
Standby Nuclear Service Water 592.4 ft msl 2.2 ft 594.6 ft msl FHRR Table 1.2.8-1 Pond (Combined Effects)
Allison Creek CNS Discharge 592.4 ft msl 1.2 ft 593.6 ft msl FHRR Table 1.2.8-1 (Combined Effects)
Storm Surge Lake Wylie Storm Surge and 569.4 ft msl 8.4 ft 577.8 ft msl FHRR Section 1.2.4 Seiche
Catawba, Units 1 & 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Seiche No Impact No Impact No Impact FHRR Section 1.2 on the Site on the Site on the Site Identified Identified Identified Tsunami Not included Not included Not included FHRR Section 1.2 in DB in DB in DB Ice-Induced Flooding No Impact No Impact No Impact FHRR Section 1.2 on the Site on the Site on the Site Identified Identified Identified Channel Migrations/Diversions No Impact No Impact No Impact FHRR Section 1.2 on the SIte on the Site on the Site Identified Identified Identified Note 1: Reported values are rounded to the nearest one-tenth of a foot.
Catawba, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Waves/ Reevaluated Reference Elevation Runup Hazard Elevation Local Intense Precipitation Unit 1 Side of the Yard 595.5 ft msl Minimal 595.5 ft msl FHRR Section 2.1 and Table 3-1 Unit 2 Side of the Yard 595.6 ft msl Minimal 595.6 ft msl FHRR Section 2.1 Streams and Rivers Lake Wylie CNS Intake 590.7 ft msl Not 590.7 ft msl FHRR Section 2.2.2 applicable Standby Nuclear Service Water 583.0 ft msl 0.8 ft 583.8 ft msl FHRR Section 2.4.1 and Table 2.4.3-1 Pond Dam (LIP)
Failure of Dams and Onsite Water Control/Storage Structures Lake Wylie CNS Intake 602.2 ft msl 1.0 ft 603.2 ft msl FHRR Section 2.8.1, Table 3-1, and (Combined Effects) Table 2.8.1-1 Standby Nuclear Service Water 602.2 ft msl 1.0 ft 603.2 ft msl FHRR Table 2.4.2-1 and Table 3-1 Pond (Combined Effects)
FHRR Table 2.8.1-1 Allison Creek CNS Discharge 599.8 ft msl Not 599.8 ft msl FHRR Table 2.3.2-4 and Table 3-1 (Combined Effects) applicable Note 1: The licensee is expected to develop flood event duration parameters and applicable flood associated effects to conduct the MSA. The staff will evaluate the flood event duration parameters (including warning time and period of inundation) and flood associated effects during its review of the MSA.
Note 2: Reevaluated hazard mechanisms bounded by the current design basis (see Table 1) are not included in this table.
Note 3: Reported values are rounded to the nearest one-tenth of a foot.