Letter Sequence RAI |
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TAC:ME4074, Clarify Application of Setpoint Methodology for LSSS Functions (Withdrawn, Closed) |
Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, ... further results|Request]]
- Acceptance...
- Supplement, Supplement, Supplement
Results
Other: CNL-14-077, Responses to Degraded Voltage Issue Requests for Additional Information, ML101050203, ML102240630, ML102290358, ML102290360, ML102290361, ML102290362, ML102290363, ML102290364, ML102290365, ML102290366, ML102290367, ML102290368, ML102290383, ML102290384, ML102290385, ML102290386, ML102290387, ML102290388, ML102290389, ML102290390, ML102290391, ML102290392, ML102290403, ML102290404, ML102290405, ML102290406, ML102290407, ML102290408, ML102290409, ML102290410, ML102290411, ML102290414, ML102290439, ML102290440, ML102290441, ML102290442, ML102290443, ML102290444, ML102290445, ML102290446, ML102290447, ML102290448, ML102290458, ML102290459, ML102290460, ML102290461, ML102290462, ML102290463, ML102290464... further results
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[Table View] |
Text
September 7, 2010 Mr. Ashok S. Bhatnagar Senior Vice President Nuclear Generation Development and Construction Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801
SUBJECT:
WATTS BAR NUCLEAR PLANT, UNIT 2 - REQUEST FOR ADDITIONAL INFORMATION REGARDING SECTION 3.5 OF THE PRESERVICE INSPECTION PROGRAM PLAN (TAC NO. ME4074)
Dear Mr. Bhatnagar:
By letter dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561), the Tennessee Valley Authority (TVA) submitted the Preservice Inspection Program Plan (PSIPP) as part of the Final Safety Analysis Report for Watts Bar Nuclear Plant, Unit 2. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by TVA.
In an effort to complete the NRC staff review, enclosed is a request for additional information (RAI) regarding Section 3.5 of the PSIPP.
A response is required within 30 days of receipt of this letter.
If you should have any questions, please contact me at 301-415-2048.
Sincerely,
/RA/
Justin C. Poole, Project Manager Watts Bar Special Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-391
Enclosure:
RAI cc w/encl: Distribution via Listserv
Mr. Ashok S. Bhatnagar Senior Vice President Nuclear Generation Development and Construction Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801
SUBJECT:
WATTS BAR NUCLEAR PLANT, UNIT 2 - REQUEST FOR ADDITIONAL INFORMATION REGARDING SECTION 3.5 OF THE PRESERVICE INSPECTION PROGRAM PLAN (TAC NO. ME4074)
Dear Mr. Bhatnagar:
By letter dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561), the Tennessee Valley Authority (TVA) submitted the Preservice Inspection Program Plan (PSIPP) as part of the Final Safety Analysis Report for Watts Bar Nuclear Plant, Unit 2. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by TVA.
In an effort to complete the NRC staff review, enclosed is a request for additional information (RAI) regarding Section 3.5 of the PSIPP.
A response is required within 30 days of receipt of this letter.
If you should have any questions, please contact me at 301-415-2048.
Sincerely,
/RA/
Justin C. Poole, Project Manager Watts Bar Special Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-391
Enclosure:
RAI cc w/encl: Distribution via Listserv DISTRIBUTION:
RidsOgcRp Resource RidsRgn2MailCenter Resource PUBLIC RidsNrrDorlLpwb Resource RidsNrrDeEmcb Resource LPWB Reading File RidsNrrLABClayton Resource RidsNrrPMWattsBar2 Resource RidsAcrsAcnw_MailCTR Resource RidsNrrDorlDpr ADAMS Accession No. ML102420625
- via memo OFFICE LPWB/PM LPWB/LA EMCB/BC OGC LPWB/BC NAME JPoole BClayton MKhanna*
DRoth SCampbell DATE 09 / 7 /10 08 / 30 /10 8/23/10 09 / 03 /10 09 / 07 /10 OFFICIAL AGENCY RECORD
REQUEST FOR ADDITIONAL INFROMATION WATTS BAR NUCLEAR PLANT, UNIT 2 PRESERVICE INSPECTION PROGRAM PLAN TENNESSEE VALLEY AUTHORITY DOCKET NO. 50-391 EMCB RAI PSIPP-1 In Section 3.5.3 of the Preservice Inspection Program Plan (Reference 1), the applicant states that, The rules of IWB shall be applied to those components that are classified [as] ASME
[American Society of Mechanical Engineers Boiler and Pressure Vessel Code] Class 1 or TVA
[Tennessee Valley Authority] Class A. Please confirm that TVA has met the requirements of ASME Section XI, Subarticle IWB-1200, Components Subject to Examination. Additionally, please indicate whether any variance exists between the scopes of inspection required under Subsection IWB for Watts Bar Nuclear Plant (WBN) Unit 2 and WBN Unit 1. If variances are present that exclude components at WBN Unit 2 from the inspection requirements of Subsection IWB, please provide justification for the exclusion of those components within the WBN Unit 2 Subsection IWB inspection plan.
EMCB RAI PSIPP-2 In Section 3.5.4 of Reference 1, the applicant states that, The rules of IWC shall be applied to those components that are classified [as] ASME Class 2 or TVA Class B. Please confirm that TVA has met the requirements of ASME Section XI, Subarticle IWC-1200, Components Subject to Examination. Additionally, please indicate whether any variance exists between the scopes of inspection required under Subsection IWC for WBN Unit 2 and WBN Unit 1. If variances are present that exclude components at WBN Unit 2 from the inspection requirements of Subsection IWC, please provide justification for the exclusion of those components within the WBN Unit 2 Subsection IWC inspection plan.
EMCB RAI PSIPP-3 In Section 3.5.5 of Reference 1, the applicant states that, The rules of IWD shall be applied to those components that are classified [as] ASME Class 3 or TVA Class C or D. Please confirm that TVA has met the requirements of ASME Section XI, Subarticle IWD-1200, Components Subject to Examination. Additionally, please indicate whether any variance exists between the scopes of inspection required under Subsection IWD for WBN Unit 2 and WBN Unit 1. If variances are present that exclude components at WBN Unit 2 from the inspection requirements of Subsection IWD, please provide justification for the exclusion of those components within the WBN Unit 2 Subsection IWD inspection plan.
Enclosure
2 EMCB RAI PSIPP-4 In Section 3.5.6 of Reference 1, the applicant states that, The requirements of IWF shall be applied to component supports classified [as] ASME Class 1, 2, and 3 or TVA Class A, B, C, and D as describe[d] above. Please confirm that TVA has met the requirements of ASME Section XI, Subarticle IWF-1300, Support Examination Boundaries, including the requirements associated with Figure IWF 1300-1, Illustration of Typical Support Examination Boundaries.
Additionally, please indicate whether any variance exists between the scopes of inspection required under Subsection IWF for WBN Unit 2 and WBN Unit 1. If variances are present that exclude components at WBN Unit 2 from the inspection requirements of Subsection IWF, please provide justification for the exclusion of those components within the WBN Unit 2 Subsection IWF inspection plan.
Reference Letter from M. Bajestani, Tennessee Valley Authority, to NRC Document Control Desk, Watts Bar Nuclear Plant (WBN) Unit 2 - Preservice Inspection Program Plan and Additional Information, dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561).
