ML040680538
| ML040680538 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 09/19/2002 |
| From: | Jacqwan Walker Entergy Operations |
| To: | Troy Pruett NRC Region 4 |
| References | |
| FOIA/PA-2003-0358 89-E-0047-22, Rev 0, P7AMANREC | |
| Download: ML040680538 (5) | |
Text
2-02 01:4Spm From-T-225 P.01/05 F-376 ARKANSAS NUCLEAR ONE GENERATION SUPPORT BUILDING 1448 S.R. 333 RUSSELLVILLE. AR 72801 501) 858.5000 FAX COVERLETTER DATE q 1 9 Iq-TO XTc\\
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DEPARTMENT FAX NUMBER (501) 858-4679 VERIFY (501) 8584680 COMMENTS c!~\\ OLXCncwd oc4$c JC(,lI 6 I' NA)V*,
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)Up-10-uL ui;4Vpm rrom-T-225 P.02/05 F-376 Calculation 89-E-0047-22, rev. 0 By Chk'd,6 Date 1128193 ICWCLG6SO This recovery is used in event sequences where SW flow diversion occurs due a failure of the TCW isolation valves to close on an ES signal for either one or both trains.
B-60
I Sep-12-02 01:49pm From-T-225 P.03/OS F-316 CMLC ND, 0 9
-004-2R EV 0.
- I *.
Ex-ControL Coos Pdiel ICCLGSO
- 2. EVEnT IDENTIFICATIQ 2.1 Descriptor 2.2 Cmstn Opet*:tr fails to laotate ICW after auto z is*o.
failt an ES; close l.ant v.1w In each ICW tr#1n.
EDP 1202.10, verify valves close
- 3.
Nu CATEOCRIZATION 3.1 Event typ 3.2 Location of ectionei) 3.3 fmiture, Meo
- 4.
ETHN UWED pot-initlator raeovery mI-control ?OCN SAIC TIC avatso
- 5. IlPUT PARAMTETS 5.1 n
respnse time (min), *1 5.2 Adfitior to rtspaue tio S.3 Mcd1 error, factor, §1 S.4 AdJimtments to.rror factor S.S Model umcertainty error factur, fU 5.6 Available time (min), t no default defauLt Is V generic is 4.3905 default is a neric Is 1.68 no default 6
default 1
defoultt default 40 O..
3
_S
- 6. CALJLATOD PARAEM RS 6.1 Adjusted wen response tia, rmuan 6.2 Adjtneed error factor, tl 6.3 Median respwna time. N
- 7. ERT OccRwMICE PRBAILISTIC ESTIMATES 7.1 Now (explicitly Includes associlted oqulit failures) 7.2 95th percentile 7.3 5th percentile 7.4 Error Factot
- 8. ASOCIATED EDUIPIENT RELIA91LIEY TREATRENT 8.1 Iumn reliability e been fmilure probability 8.2 Asocistsd sqipoyte reliability limited (¶ ww.no) 1.3 Assoctted equipment fslture probability (see ES)
- .4 Combined huen and aqiprent failure probability 7.0 6.332 6.r 1.4E-01 1.U-01 2.4E-02
¶S.00 6.7E-02 1
6.90f-02 1.36E-01
Se;3l 9-02 01 :49Pm From-T-225 P.04/05 F-376
. 1, Questions for Operations T'e PRA of e plant has ted the folwt acyas a psa*blo on n
by op=ol =UWliWyo o
to hnftw or makdterwac peronrwL Plasw provide Ws to the rektoed qiestio.
Event ID ts t6 G
)
D
__(-CI Descripton of the activity
- ,4 1 W tS-b (aCA e3 SW E
.Ca G5.s,; CdR, 1
_ I C
'L~
IC.
Standard Itelms
- 1. Who llprform the acon?
A n, [LA
- 2. What pr cedure MI be used?
I7 t-.
I
!--L=
- 3. How willthe completion of the acMvybeyreconld?
I Specific questions
- 1. Aa ofdi thbe scdss rw% iaoT/
zauysc1cs stZross1 f~ *I
~
- 2. Arzid of wbthih a kpbe med I a eX~
tord no
- 3. If a-con1 aoom = =Im, t sl fO as to_ huo s bt sedeft would MmlT uai as wcll as any 1hatnds an lb. *ay. e-g.. p=. ligkding MM=CU~
- m. cmsmmc hznc&d suceh as beax wum et. and mnydling el=n thaI would 3iohr"',
thepcrom~nceof the aczo..
vr".Z7 4 p
d2.a d
Comments sm n i e tS, w -
I
..st I^J.
V
'-4 5. I I I C.
c, Date jk1 l t
'-s lCWND.a 9
-0047-22 fiEt 0
Sep-19-02 01:49pm From-T-225 P. 05/05 F-376 P7AMAX20_54.XLS Ex-Control Room Model
- 1. EVENT P7AMANREC
- 2. EVENT XD]sTXFICTION 2.. Descriptor 2.2 Comment Operator fails to start and control P7A manually when offsite power is available.
- 3.
EVENT CATEGOPXZATXOZZ 3.1 Event type 3.2 Location of action(s) 3.3 Failure mode post-initiator recovery ex-control room mistake
- 5.
INPUT PARAMTERS 5.1 5.2 5.3 5.4 5.5 5.6 Mean response time (min),
ml Additions to response time Model error factor, fl Adjustments to error factor Model uncertainty error factor, fU`
Available time (min), t no default default in generic is default is generic is no default 0
4.3905 0
1.68 10 Lltpcl default 0 1
D P,<cJl*eeS default 54
- 6.
CALCULATED PARAMETERS 6.1 Adjusted mean response time, mean 6.2 Adjusted error factor, fR 6.3 Median response time, m
- 7. EVENT OCCURENCE PROBABILISTIC ESTXMXTES 20.0 6.332 19.0 7.1 7.2 7.3 7.4 Mean (explicitly includes associated equipment failures) 95th percentile 5th percentile Error Factor 2.7E-0l 3.3E-0l 9.OE-02 1.90
- 8. ASSOCIATED EQUIPMENT RELXABILITY TREATMENT 8.1 Human reliability event mean failure probability 8.2 Associated equipment reliability limited (l-yes,0=no) 8.3 Associated equipment failure probability (see E49) 8.4 Combined human and equipment failure probability 2.OE-01 1
6.90E-02 2.66E-Ol Page.