ML14344A992: Difference between revisions

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{{Adams
#REDIRECT [[W3F1-2014-0075, Response to Request for Additional Information Regarding Revision 1 to the Cycle 20 Core Operating Limits Report (COLR)]]
| number = ML14344A992
| issue date = 12/10/2014
| title = Response to Request for Additional Information Regarding Revision 1 to the Cycle 20 Core Operating Limits Report (COLR)
| author name = Jarrell J
| author affiliation = Entergy Operations, Inc
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000382
| license number = NPF-038
| contact person =
| case reference number = W3F1-2014-0075
| document type = Letter
| page count = 4
| project =
| stage = Response to RAI
}}
 
=Text=
{{#Wiki_filter:W3F1-2014-0075  
 
December 10, 2014
 
U.S. Nuclear Regulatory Commission Attn:  Document Control Desk 11555 Rockville Pike
 
Rockville, MD 20852
 
==Subject:==
Waterford Steam Electric Station, Unit 3 Response to Request for Additional Information Regarding Revision 1 to the Cycle 20 Core Operating Limits Report (COLR).
Waterford Steam Electric Station, Unit 3 (Waterford 3)
 
Docket No. 50-382 License No. NPF-38
 
==References:==
: 1. Entergy letter W3F1-2014-0047, Core Operating Limits Report - Cycle 20 Revision 1, dated July, 29, 2014. 2. NRC email, Request for Information Regarding Waterford 3 Cycle 20 Core Operating Limits Report Revision 2, dated October 21, 2014. 
 
==Dear Sir or Madam:==
 
In letter dated July 29, 2014 (Reference 1), Entergy submitted Revision 1 of the Cycle 20 Core Operating Limits Report (COLR) to the NRC in accordance with Waterford 3 Technical Specification (TS) 6.9.1.11.3. This TS requires that the COLR, including any mid-cycle revisions or supplements thereto, be provided upon issuance for each reload cycle to the NRC. In email dated October 21, 2014 (Reference 2), the NRC requested additional information regarding this submittal. This letter provides the response to that request in the attachment. 
 
There are no new commitments contained in this submittal. If you have any questions, please contact the Regulatory Assurance Manager, John P. Jarrell, at (504) 739-6685.
 
Entergy Operations, Inc. 17265 River Road Killona, LA 70057-3093 Tel 504-739-6685 Fax 504-739-6678 jjarrel@entergy.com John P. Jarrell  Manager, Regulatory Assurance Waterford 3 W3F1-2014-0065 Page 2 of 2
 
==Attachment:==
Waterford 3 Response to Request for Additional Information for Revision 1 to the Waterford 3 Cycle 20 Core Operating Limits Report (COLR)  cc: Mr. Marc L. Dapas Regional Administrator U. S. Nuclear Regulatory Commission
 
Region IV 1600 E. Lamar Blvd. Arlington, TX  76011-4511 RidsRgn4MailCenter@nrc.gov NRC Senior Resident Inspector, Waterford 3 Frances.Ramirez@nrc.gov Chris.Speer@nrc.gov
 
Waterford 3 NRR Project Manager Michael.Orenak@nrc.gov
 
Attachment to W3F1-2014-0075 Response to Request for Additional Information for Revision 1 to the Waterford 3 Cycle 20 Core Operating Limits Report (COLR)
 
AttachmenttoW3F1 2014 0075Page1of1Waterford3ResponsetoRequestforAdditionalInformation Question1TheCOLR,Revision1indicatedachangeinAzimuthalPowertiltLimitvaluefromlessthanorequalto0.03toavalueoflessthanorequalto0.05.Confirmthatthischangedoesnotaffectanydesignbasisanalysisinputsorassumptionsorotherpowerdistributionlimits.Response1TheimpactofraisingtheCOLRlimitofAzimuthalTiltfrom0.03to0.05ontheWaterford3transientandaccidentanalyseshasbeenevaluatedbyAnalysesofRecord(AOR)holder,Westinghouse.TheanalysesassumeaworstcasepowerpeakingandControlElementAssemblyworththatcanbeaffectedbyAzimuthalPowerTilt.However,forCycle20theimpactofahigherAzimuthalPowerTiltontheassumedpowerpeakingandCEA'sworthwasevaluatedandshowntobeboundedbythecurrentinputstothetransientandaccidentanalyses.BasedonreviewofimpactedsafetyanalysesandavailablemarginsinassumedpowerpeakingandCEA'sworth,changingtheAzimuthalPowerTiltfrom0.03to0.05willnotresultinanadverseimpactontheanalysesresultsandconclusionsandnore analysisoftheseeventswasrequiredasaresultofthischange.Westinghousehasexaminedallothertransientandaccidentanalyses,anddeterminedthatthischangehasnoimpactonthoseanalyses.
Insummary,thechangingtheCOLRlimitforAzimuthalPowerTiltfromlessthanorequalto0.03tolessthanorequalto0.05didnotaffectanydesignbasisanalysisinputsorassumptionsorotherpowerdistributionlimits.}}

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