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| | issue date = 11/17/2010 | | | issue date = 11/17/2010 |
| | title = Request for Additional Information Relief Request No. RR-SNUB-1, Snubber Inspection and Testing for Forth 10-Year Interval - Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 - (TAC Nos. ME4892 and ME4893) | | | title = Request for Additional Information Relief Request No. RR-SNUB-1, Snubber Inspection and Testing for Forth 10-Year Interval - Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 - (TAC Nos. ME4892 and ME4893) |
| | author name = Pickett D V | | | author name = Pickett D |
| | author affiliation = NRC/NRR/DORL/LPLI-1 | | | author affiliation = NRC/NRR/DORL/LPLI-1 |
| | addressee name = Gellrich G H | | | addressee name = Gellrich G |
| | addressee affiliation = Calvert Cliffs Nuclear Power Plant, LLC | | | addressee affiliation = Calvert Cliffs Nuclear Power Plant, LLC |
| | docket = 05000317, 05000318 | | | docket = 05000317, 05000318 |
| | license number = | | | license number = |
| | contact person = Pickett D V | | | contact person = Pickett D |
| | case reference number = TAC ME4892, TAC ME4893 | | | case reference number = TAC ME4892, TAC ME4893 |
| | document type = Request for Additional Information (RAI), Letter | | | document type = Request for Additional Information (RAI), Letter |
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| ==Dear Mr. Gellrich:== | | ==Dear Mr. Gellrich:== |
| By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML 102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 10-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions. | | By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 10-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions. |
| Sincerely, Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-317 and 50-318 | | Sincerely, Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-317 and 50-318 |
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| ==Dear Mr. Gellrich:== | | ==Dear Mr. Gellrich:== |
| By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML 102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 1O-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions. | | By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 1O-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions. |
| Sincerely, IRA! Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor RegUlation Docket Nos. 50-317 and 50-318 | | Sincerely, IRA! Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor RegUlation Docket Nos. 50-317 and 50-318 |
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Letter Sequence RAI |
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MONTHYEARML1028701072010-10-11011 October 2010 Submittal of Snubber Program Relief Request (RR-SNUB-1) Project stage: Request ML1030900292010-11-0505 November 2010 Acceptance Review for Calvert Cliffs TAC Nos. ME4892 and ME4893 Project stage: Acceptance Review ML1031600932010-11-17017 November 2010 Request for Additional Information Relief Request No. RR-SNUB-1, Snubber Inspection and Testing for Forth 10-Year Interval - Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 - Project stage: RAI ML1035103152010-12-15015 December 2010 Response to Request for Additional Information - Submittal of Snubber Program Relief Request (RR-SNUB-1) Project stage: Response to RAI ML1103206462011-02-0808 February 2011 Snubber Program Relief Request RR-SNUB-1 - Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 Project stage: Other ML1106301992011-03-0202 March 2011 Response to Safety Evaluation Submittal of Snubber Program Relief Request (RR-SNUB-1) Project stage: Request ML1106301622011-03-18018 March 2011 Corrected Safety Evaluation for Snubber Program Relief Request RR-SNUB-1 - Calvert Cliffs Nuclear Power Plant, Units 1 and 2 Project stage: Approval 2010-12-15
[Table View] |
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Category:Request for Additional Information (RAI)
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Inspection Report 05000317/2021010 and 05000318/2021010 ML21049A2572021-02-18018 February 2021 Request for Additional Information Byron/Dresden Proposed Changes to Site Emergency Plans to Support Post-Shutdown and Permanently Defueled Conditions (EPID-2020-LLA-0240 & EPID-2020-LLA-0237) ML21029A3302021-01-29029 January 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Fleet Alternative Request to Use ASME Code Case N-885 ML20275A0032020-09-30030 September 2020 Request for Additional Information Regarding Alternative Request Re Inservice Inspection Impracticality (L-2020-LLR-0089) ML20167A2532020-06-15015 June 2020 Second Request for Additional Information Regarding License Amendment Request Concerning Emergency Diesel Generator Surveillance Requirements for Frequency and Voltage Tolerances ML20157A0782020-06-0505 June 2020 Request for Additional Information Regarding License Amendment Request Concerning Emergency Diesel Generator Surveillance Requirements for Frequency and Voltage Tolerances ML20153A7042020-06-0101 June 2020 NRR E-mail Capture - Preliminary RAI for Fleet Request to Use Alternative OMN-26 ML20135H0132020-05-14014 May 2020 IP 71111.17T (50.59) List of Documents Request ML20083F5892020-03-21021 March 2020 Request for Additional Information Regarding License Amendment Request Concerning Reactor Coolant Pump Flywheel Inspection Program ML19275H1362019-10-0202 October 2019 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Request to Use ASME Code Case N-879 ML19261B2202019-09-18018 September 2019 Request for Additional Information Regarding Final Response to Generic Letter 2004-02 ML19179A0612019-07-19019 July 2019 Three Mile Point 1 - Supplemental Information Needed to Proposed Alternative to Use ASME Code Case N-879 ML19155A1612019-06-11011 June 2019 Changes to Draft Request for Additional Information Request to Adopt 10 CFR 50.69, Risk-Informed Categorization and Treatment of Systems, Structures and Components ML19155A1272019-06-0404 June 2019 Request for Additional Information Regarding Request to Adopt 10 CFR 50.69 Risk Informed Categorization and Treatment of Systems, Structures, and Components ML19070A0192019-03-11011 March 2019 Request for Additional Information Regarding Exemption Request from 10CFR50.46(A)(1) to Support Resolution of GSI-191 ML19025A1202019-01-24024 January 2019 NRR E-mail Capture - Calvert Cliffs, Fitzpatrick, and Nine Mile Point - Request for Additional Information Regarding License Amendment Request to Revise Emergency Response Organization Staffing ML18347A3972018-12-13013 December 2018 Request for Additional Information Regarding Relocation of Emergency Operation Facility ML18138A1372018-05-22022 May 2018 Plants, Units 1 and 2 - Request for Additional Information Regarding Risk Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML18128A3842018-05-0808 May 2018 Plants, Units 1 and 2 - Draft Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML18102A2372018-04-12012 April 2018 NRR E-mail Capture - Calvert Cliffs, Ginna, and Nine Mile Point - Request for Additional Information Regarding License Amendment Request to Revise Emergency Action Level Schemes (EPID-L-2017-LLA-0237) ML18067A1482018-03-0808 March 2018 Enclosurequest for Additional Information (Letter to P. R. Simpson Request for Additional Information Regarding Exelon Generating Company, Llc'S Decommissioning Funding Plan Update for Independent Spent Fuel Storage Installation) ML17345A0912018-01-19019 January 2018 Plants, Units 1 and 2 - Request for Additional Information Regarding Alternative Request SI-RR-01, Rev. 0 (CAC Nos. MG0068 and MG0069; EPID L-2017-LLR-0078) ML17346A9092017-12-21021 December 2017 Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML17331B1342017-12-12012 December 2017 2, and R.E. Ginna Nuclear Power Plant - Request for Additional Information - Regarding ML17304A9412017-11-13013 November 2017 Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML17285B1962017-10-27027 October 2017 Request for Additional Information Regarding Generic Letter 2016-01, Monitoring of Neutron-Absorbing Materials in Spent Fuel Pools. ML17075A0152017-03-16016 March 2017 E-mail from R. Guzman to E. Villar - Calvert Cliffs Unit Nos. 1 and 2 - Request for Additional Information License Amendment Request - Control Room Emergency Ventilation System ML17062A4912017-03-0303 March 2017 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Fleet Alternative to RPV Threads in Flange Examination (CAC Nos. MF8712-MF8729) ML16222A1252016-08-0909 August 2016 Request for Additional Information - Relief Request No. RR-ISI-04-11, 2016/08/08 E-mail from R.Guzman to T.Loomis ML15299A2792015-11-0303 November 2015 Request for Additional Information Regarding Relief Request for Dissimilar Metal Butt Welds ML15230A0322015-08-13013 August 2015 Request for Additional Information Regarding the National Association Standard 805 License Amendment Request Fire Protection 2024-01-11
[Table view] Category:Letter
MONTHYEARIR 05000317/20230042024-02-0101 February 2024 Integrated Inspection Report 05000317/2023004 and 05000318/2023004 ML24029A0102024-01-29029 January 2024 Request for Information and Notification of Conduct of IP 71111.21.N.04, Age-Related Degradation, Reference Inspection Report 05000317/2024010 and 05000318/2024010 ML24003A8872024-01-19019 January 2024 Exemption from Select Requirements of 10 CFR Part 73 (EPID L-2023-LLE-0033 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting)) 05000318/LER-2023-004, Submittal of LER 2023-004-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Submittal of Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer2024-01-16016 January 2024 Submittal of LER 2023-004-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Submittal of Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer ML24011A0732024-01-11011 January 2024 Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping 05000318/LER-2023-002, Forward LER 2023-002-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer2024-01-0808 January 2024 Forward LER 2023-002-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer 05000318/LER-2023-003, Forward LER 2023-003-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Manual Actuation of Auxiliary Feedwater System Due to 22 Steam Generator Feedwater Pump Trip2024-01-0808 January 2024 Forward LER 2023-003-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Manual Actuation of Auxiliary Feedwater System Due to 22 Steam Generator Feedwater Pump Trip ML24005A0222024-01-0505 January 2024 Revised Steam Generator Tube Inspection Reports ML23304A0642024-01-0202 January 2024 Issuance of Amendment No. 349 to Modify the Long-Term Coupon Surveillance Program RS-23-125, Request for Exemption from 10 CFR 2.109(b)2023-12-0707 December 2023 Request for Exemption from 10 CFR 2.109(b) ML23331A2992023-11-27027 November 2023 Submittal of Condition Prohibited by Technical Specifications Due to Failure to Sample Diesel Generator Fuel Oil Storage Tank IR 05000317/20230102023-11-20020 November 2023 Biennial Problem Identification and Resolution Inspection Report 05000317/2023010 and 05000318/2023010 ML23318A4722023-11-14014 November 2023 Supplement to License Amendment Request to Adopt TSTF-59-A ML23317A1032023-11-10010 November 2023 Supplemental Information Letter for Part 73 Exemption Request - Responses to Request for Confirmatory Information ML23317A1192023-11-10010 November 2023 Constellation Energy Generation, LLC - 2023 Annual Report - Guarantees of Payment of Deferred Premiums ML23310A0442023-11-0707 November 2023 Project Manager Assignment IR 05000317/20230402023-11-0202 November 2023 95001 Supplemental Inspection Report 05000317/2023040 and Follow-Up Assessment Letter IR 05000317/20230032023-11-0101 November 2023 Integrated Inspection Report 05000317/2023003 and 05000318/2023003 IR 05000317/20230902023-10-26026 October 2023 Final Significance Determination of a White Finding with Assessment Follow-Up and Notice of Violation; Inspection Report 05000317/2023090 ML23289A1202023-10-16016 October 2023 Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation RS-23-097, Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans2023-10-12012 October 2023 Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans RS-23-108, Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded Nozzles2023-10-11011 October 2023 Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded Nozzles RS-23-105, Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius Sections2023-10-10010 October 2023 Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius Sections ML23279A1202023-10-0606 October 2023 Response to NRC Inspection Report and Preliminary White Finding IR 05000317/20230502023-09-29029 September 2023 Special Inspection Report 05000317/2023050 and Preliminary White Finding and Apparent Violation ML23272A1032023-09-29029 September 2023 Condition Prohibited by Technical Specifications Due to Inoperable Nuclear Instrumentation at Very Low Power IR 05000317/20234012023-09-18018 September 2023 Cyber Security Inspection Report 05000317/2023401 and 05000318/2023401 ML23254A0012023-09-0505 September 2023 Registration of Use of Casks to Store Spent Fuel IR 05000317/20230052023-08-31031 August 2023 Updated Inspection Plan for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2023005 and 05000318/2023005) ML23158A1952023-08-30030 August 2023 R. E. Ginna - Issuance of Amendments to Adopt TSTF-273-A, Revision 2, Safety Function Determination Program Clarifications ML23241A8412023-08-29029 August 2023 Response to Request for Additional Information - Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping ML23240A3872023-08-28028 August 2023 Senior Reactor and Reactor Operator Initial License Examinations ML23151A3472023-08-21021 August 2023 Issuance of Amendments to Adopt TSTF-295-A, Modify Note 2 to Actions of PAM Table to Allow Separate Condition Entry for Each Penetration ML23219A1662023-08-16016 August 2023 Request for Additional Information Regarding Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping (EPID: L-2023-LLR-0006) - Non-proprietary ML23228A1002023-08-15015 August 2023 Notification of Readiness for NRC 95001 Inspection ML23188A0402023-08-0808 August 2023 Issuance of Amendment Nos. 346 and 324 Adoption of TSTF-577, Revised Frequencies for Steam Generator Tube Inspections, Revision 1 ML23214A1572023-08-0707 August 2023 Correction to the Renewed Facility Operating License Page 3 in Amendment No 345 IR 05000317/20230022023-08-0303 August 2023 Integrated Inspection Report 05000317/2023002 ML23188A0512023-07-13013 July 2023 Correction to the Renewed Facility Operating License Pages in Amendment Nos. 336 and 314 ML23186A0372023-07-13013 July 2023 Correction to the Renewed Facility Operating License Pages in Amendment Nos. 340 and 318 IR 05000317/20233012023-07-12012 July 2023 Initial Operator Licensing Examination Report 05000317/2023301 and 05000318/2023301 IR 05000317/20230122023-07-10010 July 2023 Commercial Grade Dedication Report 05000317/2023012 and 05000318/2023012 ML23180A2362023-06-29029 June 2023 Correction of Errors on Technical Specification Pages RS-23-083, Withdrawal - Proposed Alternatives Related to the Steam Generators2023-06-27027 June 2023 Withdrawal - Proposed Alternatives Related to the Steam Generators ML23156A6752023-06-20020 June 2023 Request for Withholding Information from Public Disclosure for Proposed Alternative to the Requirements for Repair/Replacement of Saltwater System Buried Piping 2024-02-01
[Table view] |
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UNITED NUCLEAR REGULATORY WASHINGTON, D.C. NoveT"lher
- 17. Mr. George H. Gellrich, Vice President Calvert Cliffs Nuclear Power Plant, LLC Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657-4702 REQUEST FOR ADDITIONAL INFORMATION RE: RELIEF REQUEST NO. RR-SNUB-1, SNUBBER INSPECTION AND TESTING FOR FORTH 10-YEAR INTERVAL -CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 -(TAC NOS. ME4892 AND ME4893)
Dear Mr. Gellrich:
By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 10-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions.
Sincerely, Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-317 and 50-318
Enclosure:
As stated cc w/encl:
Distribution via Listserv REQUEST FOR ADDITIONAL INFORMATION CALVERT CLIFFS NUCLEAR POWER PLANT, LLC CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 RELIEF REQUEST NO. RR-SNUB-1 SNUBBER INSPECTION AND TESTING FOR FOURTH 10-YEAR INTERVAL DOCKET NOS. 50-317 AND 50-318 The applicable ASME Code for the inservice inspection (lSI) program at Calvert Cliffs is the American Society of Mechanical Engineers (ASME)Section XI, 2004 Edition. Article IWF-5000 of the ASME Section XI Code, contains inservice examination and testing requirements of snubbers. The licensee proposed to use Calvert Cliffs Technical Requirement Manual (TRM) Section 15.7.2 in lieu of the ASME Code requirements. The submitted Relief Request RR-SNUB-1 is only related to inservice snubber visual inspection examination, without mentioning inservice testing of snubbers. Article 5000 contains IWF-5200, "Preservice Examinations and Tests," IWF-5300, "Inservice Examination and Tests," and IWF-5400, "Repair and Replacement," requirements for snubbers. (a) Please explain whether and how the requirements of IWF-5200(a) and (b) will be met. Confirm that the VT-3 examination method described in IWA-2213 is being used for preservice examinations. (b) IWF-5300(b) states that "Inservice tests shall be performed in accordance with ASME/ANSI OM, Part 4." Please confirm that TRM Section 15.7.2 meets the 5300(b) requirement. (c) IWF-5400 requires that "Repair or replacement of snubbers shall be in accordance with IWA-4000. Repaired or replacement snubbers shall be examined and tested in accordance with the applicable requirements of Subarticle IWF-5200 prior to return to service." Please explain how TRM 15.7.2 meets the requirements of IWF-5400. (d) Please explain how TRM Section 15.7.2 meets the requirements of IWF-5200(c), and IWF-5300(c) requirements. ASME Section XI, IWF-5300(a) requires that inservice examinations shall be performed in accordance with ASME/ANSI OM, Part 4, using the VT-3 examination method described in IWA-2213. Please confirm that the VT-3 method is being used at Calvert Cliffs for inservice examinations.
Enclosure
-2TRM Section 15.7.2 only contains requirements related to "Hydraulic Snubbers Functional Test Acceptance Criteria." Please confirm that there are no mechanical snubbers installed at Calvert Cliffs 1 or 2. The requested alternative and TRM Section 15.7.2 do not address the requirements of OM-4, Section 2.3.4.3, "Examination Failure Mode Groups," and Section 3.2.4.2, "Test Failure Mode Groups," related to inservice examination and functional testing of snubbers. Please explain how the TRM meets these requirements. The applicable Code for the Calvert Cliffs lSI program is ASME Section XI, 2004 Edition. Please confirm that Calvert Cliffs meets the requirements of IWA-6230, "Summary Report Preparation," for snubber visual examination and testing.
November 17, 2010 Mr. George H. Gellrich, Vice President Calvert Cliffs Nuclear Power Plant, LLC Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657-4702 REQUEST FOR ADDITIONAL INFORMATION RE: RELIEF REQUEST NO. RR-SNUB-1, SNUBBER INSPECTION AND TESTING FOR FORTH 10-YEAR INTERVAL -CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 -(TAC NOS. ME4892 AND ME4893)
Dear Mr. Gellrich:
By letter dated October 11, 2010 (Agencywide Document Access and Management System Accession No. ML102870107), Calvert Cliffs Nuclear Power Plant, LLC submitted Relief Request RR-SNUB-1 as an alternative to the American Society of Mechanical Engineers (ASME) Code requirements for snubber inspections and testing for the Fourth 1O-Year Inservice Inspection Interval. Based upon the Nuclear Regulatory Commission (NRC) staff review, additional information will be necessary for the staff to complete its review. Enclosed is the NRC staff's request for additional information (RAI). Based on discussions with your staff, we understand that you plan to respond to the enclosed RAI no later than December 17, 2010. Please contact me at 301-415-1364 if you have any questions.
Sincerely, IRA! Douglas V. Pickett, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor RegUlation Docket Nos. 50-317 and 50-318
Enclosure:
As stated cc w/encl: Distribution via Listserv Distribution:
PUBLIC LPL1-1 r/f RidsOgcRp RidsAcrsAcnwMailCenter RidsNrrDciCptb RidsNrrDorlLpl1-1 RidsNrrPMCalvertCliffs RidsNrrLASLittle GBedi, CPTB GDentel, R1 ADAMS Accession No ML103160093 OFFICE PM/LPL 1-1 LA:LPL 1-1 BC/CPTB BC/LPL 1-1 NAME DPickett SUttle AMcMurtray by email dated NSalgado DATE 11 1171 10 11/17/10 11/10/10 11 1171 10 OFFICIAL RECORD COpy