Letter Sequence RAI |
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MONTHYEARML11250A1702011-09-0101 September 2011
Request for Relief to Apply an Alternative to the ASME Section Xl Code Requirements for Examination of Class 1 and Class 2 Piping Welds (Relief Request RR-ENG-3-04)
Project stage: Request
ML1127703382011-10-0404 October 2011
E-mail South Texas Project, Units 1 & 2 - Acceptance Review Email, Relief Request RR-ENG-3-04 to Apply Alternative to ASME Code Requirements for Class 1 & Class 2 Piping Welds, Third 10-Year Inservice Inspection Interval
Project stage: Acceptance Review
ML1203304352012-02-0202 February 2012
Request for Additional Information, Round 2, Relief Request RR-ENG-3-04 Alternative to ASME Code Requirements for Class 1 and Class 2 Piping Welds, Third 10-Year Inservice Inspection Interval (TAC Nos. ME7055-ME7056)
Project stage: RAI
ML1203304082012-02-0202 February 2012
Request for Additional Information, Relief Request RR-ENG-3-04 Alternative to ASME Code Requirements for Class 1 and Class 2 Piping Welds, Third 10-Year Inservice Inspection Interval (TAC Nos. ME7055-ME7056)
Project stage: RAI
NOC-AE-12002837, Response to Request for Additional Information: Application of an Alternative to Requirements for Examination of Class 1 and Class 2 Piping Welds (Relief Request RR-ENG-3-04)2012-05-0909 May 2012
Response to Request for Additional Information: Application of an Alternative to Requirements for Examination of Class 1 and Class 2 Piping Welds (Relief Request RR-ENG-3-04)
Project stage: Response to RAI
ML12136A4722012-05-0909 May 2012
Day Response to Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 9.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident
Project stage: Response to RAI
ML12138A0092012-05-0909 May 2012
Response to Request for Additional Information: Application of an Alternative to Requirements for Examination of Class 1 and Class 2 Piping Welds (Relief Request RR-ENG-3-04)
Project stage: Response to RAI
ML12243A3432012-09-10010 September 2012
RR RE-ENG-3-04 to Apply Alternative to the American Society of Mechanical Engineers Boiler and Pressure Vessel Code Section XI Requirements for Examination of Class 1 and 2 Piping Welds
Project stage: Other
2012-02-02
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Text
From:
Singal, Balwant Sent:
Thursday, February 02, 2012 2:18 PM To:
'Harrison, Albon' Cc:
'Walker, Philip'
Subject:
Request for Additional Information (RAI) - Relief Request RR-ENG-3-04. TACs ME7055 and ME7056 The U.S. Nuclear Regulatory Commission (NRC) staffs Probabilistic Risk Assessment Licensing Branch has reviewed your application dated September 1, 2011 (Agencywide Documents Access and Management System (ADAMS), Accession No. ML11250A170) for Relief Request RR-ENG-3-04 and requires the following additional information to complete its review.
STP Nuclear Operating Company (STPNOC) provided justification for probabilistic risk assessment (PRA) quality by referencing a previous NRC approved risk informed application. Since PRA quality is determined sufficient commensurate with each application, please provide the NRC staff validation that those supporting requirements important to this application are addressed in the PRA. Additional information can be found in NRC safety evaluation (ADAMS Accession No. ML11262A2060) which references Electric Power Research Institute Technical Report 1021467.
The RAI was transmitted via e-mail on January 18, 2012 and Mr. Phil Walker of STPNOC informed us on February 2 that no clarification call is needed. You are requested to provide your response within 30 days from the date of this e-mail. Please treat this e-mail as formal request.
Thanks.
