Letter Sequence Draft RAI |
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MONTHYEARML0720603752007-07-17017 July 2007
Proposed Alternative to the American Society of Mechanical Engineers Code, Section XI Containment Inservice Inspection Program
Project stage: Request
ML0728904582007-10-16016 October 2007
Draft RAI Re. Extension of Cisi Interval
Project stage: Draft RAI
ML0733206112007-11-16016 November 2007
Containment Inservice Inspection Interval Extension Request for Additional Information
Project stage: Request
ML0804206812008-03-28028 March 2008
Approval of Alternative to Extend the Containment Inservice Inspection Interval by About 18 Months
Project stage: Other
2007-11-16
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Text
From: Peter Tam To: Scarpello, Michael; Simpson, Sue; Vasey, Bob Date: 10/16/2007 10:18:34 AM
Subject:
D.C.Cook - Draft RAI re. Extension of CISI Interval (TAC MD6083, MD6084)
Bob:
We are reviewing your 7/17/07 request for relief to extend the containment ISI (CISI) interval to match the ISI interval. Our reviewer Farhad Farzam had written the following draft RAI questions that we would like to discuss with you in a conference call. Please contact me to set up the conference call. We plan to issue the questions as a formal RAI by about 11/16/07 with or without the proposed conference call.
(1) In Section 5.0 of the attachment to the 7/17/07 letter, I&M proposed that the first interval for the Containment In service Inspection (CISI) be extended approximately 18 months from September 9, 2008 to March 1, 2010. The extension will permit I&M to achieve a common interval start date and a common In-service Inspection (ISI) code with the ISI program. I&M also states that the code of record for the updated (2010) ISI and CISI programs will be the latest edition incorporated by reference in 10 CFR 50.55a(b)(2) twelve months prior to March 1, 2010. These statements imply that March 1, 2010 applies to both Units 1 and 2. Please provide a table showing the current and proposed Units 1 and 2 ISI and CISI inspection interval dates and to clarify the statement relative to the code of record in the first paragraph of Section 5.0, "Proposed Alternative and Basis for Use."
(2) The second paragraph of Section 5.0 of the attachment states that there are no augmented examination areas for either Unit 1 or Unit 2. This statement indicates that all surface areas (e.g., leak chase channels, sump liner) listed in IWE-1240 as likely areas requiring augmented examination and other areas such as space between ice baskets and the liner have been found acceptable and were not inspected in accordance with the augmented examination requirements of Table IWE 2500-1. Please provide further information relative to this statement, IWE-1240 and the Examination Category E C of Table IWE-2500-1 as applicable to the CNP Units 1 and 2.
(3) Please confirm and provide pertinent information that the examination and tests (required by the CISI program) performed during recent inspections have satisfied the acceptance standards contained within Articles IWE-3000 and IWL-3000.
The sole purpose of this e-mail is to prepare you and others for the proposed conference call. This e-mail does not convey a formal NRC staff position, and does not formally request for additional information.
Peter S. Tam, Senior Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation e-mail: pst@nrc.gov Tel.: 301-415-1451 CC: Farhad Farzam; Hansraj Ashar; Kamal Manoly Mail Envelope Properties (4714C83A.66C : 12 : 35330)
Subject:
D.C.Cook - Draft RAI re. Extension of CISI Interval (TAC MD6083, MD6084)
Creation Date 10/16/2007 10:18:34 AM From: Peter Tam Created By: PST@nrc.gov Recipients Action Date & Time aep.com Transferred 10/16/2007 10:18:50 AM mkscarpello (Michael Scarpello) rgvasey (Bob Vasey) sdsimpson (Sue Simpson) nrc.gov OWGWPO01.HQGWDO01 Delivered 10/16/2007 10:18:43 AM HGA CC (Hansraj Ashar) nrc.gov OWGWPO02.HQGWDO01 Delivered 10/16/2007 10:18:43 AM FXF1 CC (Farhad Farzam) Opened 10/16/2007 10:23:10 AM nrc.gov TWGWPO01.HQGWDO01 Delivered 10/16/2007 10:18:43 AM KAM CC (Kamal Manoly) Opened 10/16/2007 10:50:38 AM Post Office Delivered Route aep.com OWGWPO01.HQGWDO01 10/16/2007 10:18:43 AM nrc.gov OWGWPO02.HQGWDO01 10/16/2007 10:18:43 AM nrc.gov TWGWPO01.HQGWDO01 10/16/2007 10:18:43 AM nrc.gov Files Size Date & Time MESSAGE 3583 10/16/2007 10:18:34 AM Options Auto Delete: No Expiration Date: None Notify Recipients: Yes Priority: Standard ReplyRequested: No Return Notification: None Concealed
Subject:
No Security: Standard To Be Delivered: Immediate Status Tracking: Delivered & Opened
