ML15197A411
| ML15197A411 | |
| Person / Time | |
|---|---|
| Site: | Millstone  (NPF-049) |
| Issue date: | 07/16/2015 |
| From: | Craft W Dominion Resources Services |
| To: | Richard Guzman, Booma Venkataraman Plant Licensing Branch 1 |
| Guzman R | |
| References | |
| TAC MF5868 | |
| Download: ML15197A411 (2) | |
Text
1 West, Ebonie From:
Wanda D Craft (Generation - 6) <wanda.d.craft@dom.com>
Sent:
Thursday, July 16, 2015 1:56 PM To:
Venkataraman, Booma; Guzman, Richard
Subject:
[External_Sender] RE: Millstone Unit 3 Alternative Request IR-3-27 for Implementation of Extended Reactor Vessel Inservice Inspection Interval-CLARIFICATION (TAC NO.
MF5868)
- Booma, Thestatementonpage1ofAttachment1underApplicableCodeRequirementreferstotheenddateoftheMPS3 third10yearinserviceinspectioninterval.Thethird10yearinserviceinspectionintervalforMPS3beganonApril23, 2009andisscheduledtoendonApril22,2019.
Thestatementonpage3ofAttachment1inthelastrowofTable2,ThethirdISIisscheduledfor2016,referstothe nextscheduledinspectionofthereactorvessel.Table2ofAttachment1providesasummaryofthereactorvessel inspectionsforMPS3.Thereactorvesselhasbeeninspectedeach10yearintervalforatotaloftwoprevious inspectionsasdescribedinthesecondrowofTable2.SinceMPS3iscurrentlyinthethird10yearinspectioninterval, thereactorvesselisscheduledforitsthirdinspectionduringtherefuelingoutagein2016.DNCisrequestingan extensionofthecurrentexaminationfrequencyfrom10yearsto20years.AsstatedinthelastrowofTable2,thenext reactorvesselinspectionisproposedtobeperformedin2027plusorminusonerefuelingoutage,ratherthanas currentlyscheduledfor2016.
Ifyouhaveanyfurtherquestions,pleaseletmeknow.Thanks.
Wanda D. Craft Nuclear Licensing and Operations Support Dominion Resources Services, Inc (804) 273-4687 tie-line 730-4687
From: Venkataraman, Booma [1]
Sent: Wednesday, July 15, 2015 5:15 PM To: Wanda D Craft (Generation - 6)
Cc: Guzman, Richard
Subject:
Millstone Unit 3 Alternative Request IR-3-27 for Implementation of Extended Reactor Vessel Inservice Inspection Interval-CLARIFICATION (TAC NO. MF5868)
- Wanda, By letter dated March 9, 2015 (ML15075A025), Dominion Nuclear Connecticut, Inc. (DNC, the licensee), requested an alternative to the requirement of the American Society of Mechanical Engineers (ASME) Code, Section Xl, Paragraph IWB-2412, Inspection Program B, for Millstone Power Station Unit 3 (MPS3) which requires examination of identified reactor vessel pressure retaining welds (Examination Category B-A and B-D) once each 10-year interval. The proposed alternative would extend the current examination frequency from 10 years to 20 years.
NRC seeks the following clarification on the alternative request:
On page 1 of Attachment 1 of the request, under Applicable Code Requirement, the licensee states that The MPS3 third 10-year inservice inspection (ISI) interval is scheduled to end on April 22, 2019. However, on page 3 of Attachment 1, the last row of Table 2, Additional
2 Information Pertaining to Reactor Vessel Inspection for MPS3 states, The third ISI is scheduled for 2016.
Please clarify the start and end dates for the third ISI interval.
Thanks, Booma BoomaVenkataraman,P.E.
ProjectManager,NRR/DORL/LPL11 OfficeofNuclearReactorRegulation Booma.Venkataraman@nrc.gov 301.415.2934
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