ML20128C056

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Forwards Draft of Section 19E.2,deterministic Analyses of Plant Performance for ABWR SSAR, Chapter 19,in Support of Accelerated ABWR Review Schedule
ML20128C056
Person / Time
Site: 05200001
Issue date: 01/29/1993
From: Fox J
GENERAL ELECTRIC CO.
To: Poslusny C
Office of Nuclear Reactor Regulation
Shared Package
ML20128C059 List:
References
NUDOCS 9302030293
Download: ML20128C056 (10)
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I january 29,1993 Docket No. STN 52 001 Chet Postusny, Senior Project Manager Standardization Project Directorate Associate Directorate for Advanced Reactors and License Renewal Office of the Nuclear Reactor Regulation

Subject:

Sulmilital Supporting Accelerated AllWR Reglew Schedule

Dear Chet:

Enclosed are the following attachments pertaining to Chapter 19 deterministic evaluations: - Roadmap of the submittal - Matrix of the disposal of all of the DSBR, DFSER an Iinterim questions affecting Section 19E.2 (deterministic severe accident analysis) - Draft of Section 19E.2 (essentially a complete replacement)

Sincerely, n_.c

'k Fox Advanced Reactor Programs cc: Jack Duncan (GE) w/o Attachment 3 Norman Fletcher (DOE) w/o Attachment 3 PA f

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9302030293 930129 PDR ADOCK 05200001 A

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Attachment i Enclosed as attachment 2 in this package is a matrix which indicates the disposal of all of the DSER, DFSER and interim question which affect 19E.2, the deterministic severe accident analysis. One column which requires a little explanation is the cohunn labeled "NRC Punch List Number". Both the hionninger and Kelly punch list items are indicated in the column. Items from the Stonninger list are preceded by an "h!". Items from the Kelly list are preceded with "KC" if they have been designated as conurmatory and "KO" if the NRC still has them classined as open.

The far right hand column indicates the current status of each of the items on this list. Items which have " Closed" in this column were taken from statements in the DFSER. Items which have been labeled " Confirmatory" are based on statements in either the Kelly or hionninger punch lists. items indicated as "* Confirmatory" are issues where GE has submitted all of the information requested by the staff, and we believe the staff should be able to close the issue without further GE action. is a draft copy of Section 19E.2 of the SSAR and its related attachments. This draft incorporates all of the interactions between GE and the staff to date. We have not yet performed our Gnal ERh1 review of the document yet, liowever, no further changes are anticipated (aside from the obvious amendment number). The staff will be immediately provided with markup pages if our review uncovers any necessary changes.

This copy has been annotated to indicate how the document has evolved. Because the vast majority of the document has not been submitted as a SSAR amendment previously, but some ofit has, there are two schemes used for the annotation:

Sections 19E.2.1 through 19E.2.4 These sections were previously in the SSAR. In these sections a single line indicates a change from a previous SSAR amendment and a double line indicates a change the staff has not seen in one of the question / response submittals. Where a response from an interim submittal has been adapted, the interim submittal response is indicated in the margin (e.g., CEB92-54#5).

The section on suppression pool bypass is in accordance with the markup from Don Knecht which was sent to the staff a week or so ago.

Sections 19E.2.5 through 19E.2.9 and all Attachments -

These sections were Orst submitted to the stalT in an interim submittal over the past year. For these sections, the submittal number is indicated next to the subsection title Where changes have been made as a result of a subsequent question, a change bar has been drawn and the interim submittal which motivated the change was indicated. There are a few areas which were changed without direction by the staff, primarily to improve clarity, but these are very limited. Extremely minor changes such as punctuation and corrections to grammar have not been indicated, but everything else has been noted.

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0 19.1.7.6.2-1 FCI analysis

!CEB O-17A 27 KC27

  • Confirrnatory KO23 CEB9214 19EB.6 CEB92-X 19EB CEB92-41p28 19EB. I.I 19F*99 i

19E.2.2.8 Jul 21 p.6 CEB9241p29 19E.2.2.3(a)

Sept 28 rnte CEB92-54#8 19EB.I.1 0 19.1.7.6.2-2 Justification f~or CEB KO28 CEB92-X 19EB.2 (Exper*al

  • Confirmatory sacarn explosions M4 evidence) 19EB.3 (SE loading) 19EB.4 (Pedestal capabilitv)

O19.1.7.7-1 Uncertainty CEB O-18-A 27 KC31 CEB92-12 19E.2.5

  • Confirrnatory analysis 0-18-B 27 KC31 CEB92-12 (Identification and screening) 19E.2.6 O-18-C 27 KO21 CEB92-36 (Sensithity and CEB92-X scoping studies) 19E.2.7 (Detailed urxertainty O-18-D 2S KO23 analyses)

O-18-E 28 KC30 h022 Jul 21 p.3 CEB9241pl3 19E.2.1.6 O-18-F 28 O-18-G 28 GI9 33 CEB9241p2 superceded staud in CEB9241p3 19EE.2.1 DFSER Oct 6, pl#5 CEB92E/)#3 19EE.2 afpears to be n rong reference ABWR PRA/SA Closure List - Page 3 Janitarv 29.1993

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0 19.1.8-1 Effect of CCI.

CEB O-17A 27 KC27 CEBT.14 19EE.3.2 and

  • Confirrr.atory suppression pool O-16-B 26 KC30 f t)EE.4.2 (Bvpass) 1 pass on source KO22 19EC7 (CCI) 9 ter m Jul 21 p.I CEB92-41 p2 supercrJed Jul 21 p I CEB924Ip3 19EE.2.1 Jul 21 p.4 CEB92 4!p24 N/A 0 19.2-1 Severe accident CEB See breakdown closure below based on 9/11/92 l

draft of 19.2.2 C19.2.2-1 Role of PRA in CEB

  • Gosed addressing risk from accidents C19.2.2-2 Role of PRA in CEB
  • Closed adressing risk from Silo C19.2.2-3 Role of PRA in PDK See addressing risk O 19.1.7.2-1 from ISI.OCA C19.2.2-4 Role of PRA in CEB
  • Gosed addressing risk from hydrogen O19.2.2-5.2 Pedestal Capability CEB 512 Sept 28 mtg CEBT-54#15 19EC4
  • C..nfirmatory after CCI Jan 27.93 CEB93 04 019.2.24i CCI Test Prix.; rams CEB 19EC.I
  • G osed O 19.2.2-7 Alinimum upward CEB SIS Sept 28 mtg CEBtC54#3 19EC 3.1
  • Confirmatory heat flux for CO C19.2.244 Core debris CEB 19EC
  • Gosed coolability O 19.2.2-9.1 Impact of sump CEB IM-3 2')

KC37 19ED

  • Confirmatory on coolability All 11/23/92 fax CEB9265#I 19ED.3(5)

II/23/92 fax CEB92fn#2a 19ED.I II/23/92 fax CEB92415#2h 19ED.3(7)

II/23/92 fax CEB924i3#3 N/A II/23/92 fax CEB92415#4 N/A II/23/92 fax CEB92415#5a 19ED 4.l(8)

, II /23/92 fax CEB92415#5b 19ED.4.1(9)

ABWR PRA/SA Closure List - Page 4 ymuary 29,1993

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O 19.2.2-9.2 Basis for passive See ikxxler design O 19.1.7.4-1 019.2.2-10 Geolability test CEB 19EC.1

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programs C19.2.2-11 Role of PRA in CEB 19EC

  • Confirmatory coolability O 19.2.2-12 Impact of sump CEB See i

design on O19.2.2-9.1 contability C19.2.2-13 IIP.\\1E/DCII CEB See 0 19.1.7.6.1-1 C19.2.2-14 FCI peak pressure CEB See 1

0 19.1.7.6.2-1 C19.2.2-15 FCI pedestal CEB See strenght O 19.1.7.6.2 1 019.2.216 CCFP

'CEB Jul 21 p.3 CEIYJ2-41p12 19.6.8.3

  • Confirmatod 019.2.2-17 Osntainment CEB See venting in 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> O 19.1.7.3 2 O 19.2.2-19 Time to vent CEB See i

actuation O 19.2.2-17 DFSER Descrir> tion of Confirmatory issue item Numler C19.1.7.5-1 The lower dowell CEB Sept 28 mtg CEB92-M#1 19EC.6.1

  • Confirmatory concrete composition C19.1.8-1 Analysis of pool CEB O-6 25 KC28 CEB92-12 19E.2.3.5 Confirmatory swell and Bashing C 19.1.9 1 Correct weather IIAC CA-2 35 KO24 Problem Corrected in 19E.3 results
  • Confirmatory used in identified by 6/30 con-incorporate consequence GE sequente correction analysis submittal items not in DFSER ABWR PRA/SA Closure list - Page 5 January 29,1993

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a Treatment of CEB S-12 29 N/A Closed.

ATWS in CET Staff was

. nalysis correcting its own assumptions in DSER review N/A Senice Irrel C for ASL BA.2 24 KC40 Confirmatory.

Containment 3110 Jan IS:14a CEB92M#14a 19E.2.3.2 N/A New consequence IIAC CA-3 35 KC41 Submitted 19E.3

  • Confirmatory analysis for PRA KO24 6/30 Jul 2I p.3 CEB9241p33 19.3?

Oct 6. p2#3 CEB92-54#14 N/A N/A Analytical studies CEB Jan 18: 4 CEB92M#4

  • Confirmatory to support design N/A Pool dptamic CEB Jan 18:12 CElk92W#12 19E.2.2.2

" Confirmatory loads during high 19E.2.2.7 pressure melts N/A Core cooling CEB C-2 6

KC8 CEB92-12 Confirmatory success criteria with failure of reacthity control N/A Detailed questions CEB Jul 21 p.5 CEB9241p28 19F.?

' Confirmatory on SIAAP analysis 19EB.I.1 Jul 21 p.6 CEB92-41p29 19E.2.2.3(a)

CEB9241p30 N/A Oct 6, pl#6 CEB92-60#1 19E.2.2 Oct ti, pl#3 CEB924iO#2 19E.2.2 19EB.I.1 N/A Detailed CEB Jul 21 p.6 CEB9241p31 N/A

' Confirmatory comparsion to Jul 21 p.6 CEB9241p32 N/A cartier version of 31AAP anahs ABW'R PRA/SA Closure List - Page 6 January ?),1993 m

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