ML21133A285
| ML21133A285 | |
| Person / Time | |
|---|---|
| Site: | Millstone, Surry, North Anna  |
| Issue date: | 05/13/2021 |
| From: | Mark D. Sartain Dominion Energy Nuclear Connecticut, Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML21133A284 | List: |
| References | |
| 21-042A | |
| Download: ML21133A285 (10) | |
Text
PROPRIETARY INFORMATION
- WITHHOLD UNDER10CFR2.390 Dominion Energy
- Services, inc.
5000 Dominion Boulevard, GlenAllen, VA23060 ODNM
=
DominionEnergy.com
@ggO May13,2021 U.S.Nuclear Regulatory Commission Serial No.
21-042A Attention:
Document Control Desk NRA/GDM RO Washington, D.C.20555 Docket Nos.50-336/423 50-338/339 50-280/281 License Nos.DPR-65/NPF-49 NPF-4/7 3
DPR-32/37 f
al f
MILLSTONE POWERSTATIONUNITS2AND3 REQUEST FORAPPROVALOFAPPENDiXEOFFLEET REPORT DOM-NAF-2-A QUALIFICATION OFTHEFRAMATOME BWU-ICHFCORRELATION INTHE DOMINION ENERGYVIPRE-D COMPUTER CODE
?
RESPONSE
TOREQUEST FORADDITIONAL INFORMATION By letter datedFebruary 11,2021[Serial No.21-042 (ADAMS Accession No.
ML21042B321)),
Dominion Energy Virginia andDENC(collectively, Dominion Energy) j submitted Appendix E,"Qualification oftheFramatome BWU-1CHFCorrelation inthe Dominion Energy VIPRE-D Computer Code,"
toFleet Report DOM-NAF-2-Afor NRC review andapproval.
Inasubsequent conference call heldonMarch29,2021, theNRC requested j
thedataparameters usedtogenerate Figures E.5.2-1
- E.5.2-4 that were included inthe initial submittal toallow thestaff top.erform confirmatory calculations.
j Adescription ofthedatabeing provided isincluded inAttachment 1,andtherequested data j
isprovided inAttachment 2.Thedataprovided inAttachment 2isconsidered proprietary to i
Framatome Inc.Accordingly, itisrespectfully requested theproprietary information be withheld frompublic disclosure inaccordance with10CFR2.390.
Theinformation is I
supported byanaffidavit signed byFramatome, theowneroftheinformation, whichis included inAttachment 3.Theaffidavit setsforth thebasis onwhich theinformation maybe t
withheld frompublic disclosure bytheCommission andaddresses withspecificity the j
considerations listed inparagraph (b)(4) ofSection 2.390 oftheCommission's regulations. j Astheinformation provided inAttachment 2isproprietary inits
- entirety, aredacted version oftheinformation isnotincluded.
I II i
Attachment 2contains information thatisbeing withheld frompublic disclosure under j
10CFR2.390.Uponseparation fromAttachment 2,this pageisdecontrolled.
jl i
Serial Number21-042A Docket Nos.50-336/423/338/339/280/281/
RAIResponse DOM-NAF-2, Appendix E
Page2of3 lfyouhave questions orrequire additional information, please contact Mr.GaryD.Miller at (804) 273-2771 Respectfully, A
7 MarkD.Sartain VicePresident
- Nuclear Engineering andFleet Support Commitments madeinthis letter:
None Attachments:
1 Response toNRCRequest for Additional Information, Appendix E toFleet Report DOM-NAF-2, "Qualification oftheFramatome BWU-I CHFCorrelation intheDominion Energy VIPRE-D Computer Code" 2.Requested Plot DataforFigures E.5.2-1 throughE.5.2-4, CriticalHeatFlux Data 3.Framatome Affidavit forWithholding Proprietary Information fromPublic Disclosure
Serial Number21-042A Docket Nos.50-336/423/338/339/280/281/
RAlResponse DOM-NAF-2, Appendix E
Page3of3 cc:U.S.
Nuclear Regulatory Commission
- Region I
2100 Renaissance
- Blvd, Suite 100 Kingof Prussia, PA19406-2713 U.S.
Nuclear Regulatory Commission
- Region II Marquis One Tower 245Peachtree Center Avenue, NESuite 1200
- Atlanta, GA30303-1257 R.V.Guzman Senior Project Manager U.S.Nuclear Regulatory Commission OneWhiteFlint
- North, Mail Stop 08-C 2 11555Rockville Pike Rockville, MD20852-2738 Mr.G.EdwardMiller NRCSenior Project Manager
- North Anna U.S.Nuclear Regulatory Commission OneWhiteFlint
- North, MailStop09E-3 11555Rockville Pike Rockville, MD20852-2738 Mr.VaughnThomas NRCProject Manager
- Surry U.S.Nuclear Regulatory Commission OneWhiteFlint
- North, MailStop04F-12 11555Rockville Pike Rockville, MD20852-2738 NRCSenior Resident Inspector Millstone PowerStation NRCSenior Resident Inspector North AnnaPowerStation NRCSenior Resident Inspector Surry PowerStation
Serial Number21-042A Docket Nos.50-336/423/338/339/280/28 Attachment 1
RESPONSE
TONRCREQUEST FOR ADDITIONAL INFORMATION FRAMATOME BWU-ICHFCORRELATION INTHE DOMINION ENERGY VIPRE-DCOMPUTER CODE" Dominion Energy Nuclear Connecticut, Inc.
(DENC)
Millstone PowerStation Units 2and3 Virginia Electric andPowerCompany (Dominion Energy Virginia)
NorthAnnaandSurryPowerStations Units 1and2
Serial Number21-042A Docket Nos.50-336/423/338/339/280/2 Attachment 1
RESPONSE
TONRCREQUEST FORADDITIONAL INFORMATION FRAMATOME BWU-ICHFCORRELATION INTHEDOMINION ENERGY VIPREDCOMPUTER CODE" Back.sgo.ggy By letter datedFebruary 11, 2021[Serial No.21-042(ADAMS Accession No.
ML21042B321)),
DominionEnergy Virginia andDENC(collectively, Dominion Energy) submitted Appendix E,"Qualification oftheFramatomeBWU-ICHFCorrelation inthe Dominion Energy VIPRE-D Computer Code," toFleet Report DOM-NAF-2-A for NRCreview andapproval.
inaconference call held on March 29,2021,theNRCrequested additional information tofacilitate their review.
The NRC request andDominion Energy's response areprovided below.
NR.CRegge.s.1 Please provide thefollowing datapoint parameters, as appropriate, that wereusedto generate Figures E.5.2-1 through E.5.2-4 intheFebruary 11, 2021submittal toallow the staff toperform confirmatory calculations:
- Pressure
- Quality
- MassFlux(specify ifLocal orinlet)
- ShapeFactor
- Measured Critical HeatFlux(CHF) value
- Predicted CHFvalue
- Anyother parameter thatwasusedtocapture CHFforthetestpoint (e.g., FLS, FMSM,Hydraulic
- Diameter, Heated Hydraulic Diameter)
M Thefollowing parameters wereusedtoplot thedatainFigures E.5.2-1 through E.5.2-4:
- Pressure
- Thermodynamic quality
- MassFlux
- Measured CHFValue
- Predicted CHFValue Pressure values forthetestpoints aretheexit/outlet pressures foreachtestpoint in poundspersquareinchabsolute (psia).
Thermodynamic
- quality, massflux Page1of2
Serial Number21-042A Docket Nos.50-336/423/338/339/280/28 Attachment 1
(Mlbm/hr-ft2),
measured CHF(MBTU/hr-ft2),
andpredicted CHF(MBTU/hr-ft2) values are local conditions attheelevation atwhich CHFwasdetected during thetesting.
FLS,asdefined inBAW-10199-A, BWUCritical HeatFluxCorrelations, isafunction of theheated length and istermeda"length spacing factor."
FLSiscalculated using the Framatome proprietary constants listed inTable 3-1ofBAW-10199-A.
This termisnot anexplicit input tothe VIPRE-D code.
FMSMisadimensionless performance factor that isdependent onthegrid arrangement oftheassembly.
Thevaluefor FMSM issetto1.0forall CHFanalyses conducted inthe VIPRE-D codewith theBWU-Icorrelation.
Theshapefactor (F),
asdefined inBAW-10199-A, isafunction ofseveral variables and isusedtocompensate for non-uniform axial flux shapeeffects.
Theshapefactor is calculated using theFramatome proprietary constants listed inTable 3-1ofBAW-10199-A.Thisterrn isnotanexplicit input tothe VIPRE-D code.
The1,665testpoints inFigures E.5.2-1 throughE.5.2-4 andassociatedinformation are provided intheCommaSeparated Values (CSV)Excel file includedinAttachment 2.
Notethat agrid spacing of"0"indicates thetest pointhad variable grid spacing.
Page2of2
Serial Number21-042A Docket Nos.50-336/423/338/339/280/28 RAlResponse DOM-NAF-2, Appendix E
FRAMATOME AFFIDAVIT FORWITHHOLDING PROPRIETARY INFORMATION FROMPUBLIC DISCLOSURE Dominion Energy Nuclear Connecticut, Inc.
(DENC)
Millstone PowerStation Units 2and3 Virginia Electric andPowerCompany (Dominion Energy Virginia)
NorthAnnaandSurry PowerStations Units 1and2
AFFIDAVIT COMMONWEALTHOF VIRGINIA
))ss.
CITYOFLYNCHBURG
)
1 MynameisGayle Elliott.
IamDeputy
- Director, Licensing andRegulatory
- Affairs, forFramatome Inc.
(Framatome)and assuchIamauthorized toexecute this Affidavit.
2.
Iamfamiliar with thecriteriaapplied byFramatome todetermine whether certain Framatome information isproprietary.
Iamfamiliar withthepolicies established by Framatome toensure theproper application ofthese criteria.
3.
Iamfamiliar with theFramatome information contained inAttachmentA,"NRC RAIandDominion Energy Response,"
andAttachment B,"Critical Heat Flux Data,"ofDominion
- Letter, Serial Number 21-042A, referred toherein as"Documents."
information contained inthese Documents hasbeenclassified byFramatome asproprietary inaccordance with the policies established byFramatome forthecontrol andprotection ofproprietary andconfidential information.
4.
TheseDocuments contain information ofaproprietary andconfidential nature andisofthetypecustomarily heldinconfidence byFramatome andnotmadeavailable tothe public.
Basedonmyexperience, Iamawarethat other companies regard information ofthe kindcontained inthese Documents asproprietary andconfidential.
5.
TheseDocuments havebeenmadeavailable totheU.S.Nuclear Regulatory Commission inconfidence with therequest that theinformationcontained intheseDocuments bewithheld frompublic disclosure.
Therequest forwithholding ofproprietary information is madeinaccordance with10CFR2.390.
Theinformation forwhich withholding fromdisclosure
isrequested qualifiesunder10CFR2.390(a)(4)
"Trade secrets andcommercial orfinancial information."
6.
Thefollowingcriteria arecustomarily applied byFramatome todetermine whether information should beclassified asproprietary:
(a)Theinformation reveals details ofFramatome's research anddevelopment plans andprograms ortheir results.
(b) Useofthe information byacompetitorwould permit thecompetitor to significantly reduce its expenditures, intimeorresources,
- todesign, produce, ormarket asimilar product or service.
(c)Theinformation includes test data or analytical techniques concerning a
- process, methodology, orcomponent, the application ofwhich results ina competitive advantage forFramatome.
(d) Theinformation reveals certain distinguishing aspects ofaprocess, methodology, orcomponent, theexclusive useofwhich provides a
competitive advantage forFramatome inproduct optimization ormarketability.
(e)Theinformation isvital toacompetitive advantage heldbyFramatome, would behelpful tocompetitors toFramatome, andwouldlikely cause substantial harmtothecompetitive position ofFramatome.
Theinformation inthese Documents isconsidered proprietary forthereasons setforth in paragraphs 6(d) and6(e) above.
7.
Inaccordance with Framatome's policies governing theprotection andcontrol ofinformation, proprietary information contained inthese Documents hasbeenmadeavailable, onalimited
- basis, toothers outside Framatome only asrequired andundersuitable agreement providing fornondisclosure andlimited useoftheinformation.
8.
Framatome policy requires thatproprietary information bekeptinasecured file orareaanddistributed onaneed-to-know basis.
9.
Theforegoing statements aretrueandcorrect tothebest ofmyknowledge, information, andbelief.
Ideclare under penalty ofperjurythat theforegoing istrueandcorrect.
Executed on:May4,2021 t
ssp Gayle Elliott