ML040640738
| ML040640738 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 09/24/2002 |
| From: | Jacqwan Walker Entergy Operations |
| To: | Troy Pruett NRC Region 4 |
| References | |
| FOIA/PA-2003-0358 | |
| Download: ML040640738 (3) | |
Text
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vf~ I -,Do phi r l uiu-T-ZZ9 P.01/03 F-386 ARKANSAS NUCLEAR ONE GENERATION SUPPORLT BUILDING 1448 S.R. 333 RUSSELLVILLE, AR 72801 501) 858-5000 FAX COVERLETTER l
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FAX NUMBER (501) 8584679 VEREFY (501) 8584680 COMMENTS
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-6 T-F-386 Oep-Z4-Ui Ui: Wpm erom-feed&bleed25_54.XLS E--Control Room Model
- 1.
EVENT OHFTHIhPD
- 2.
EVENT IDENTIFICATION 2.1 Descriptor 2.2 Comment Operator fails to start HPI Pump for feed and Bleed when aux lube oil pump does not start from control ro
- 3. EVENT CATEGORIZATION 3.1 Event type 3.2 Location of action(s) 3.3 Failure mode post-initiator recovery ex-control room mistake
- 5. INPUT PARAMETERS 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, Available time (min), t no default default in 0
generic is 4.3905 default is 0 generic is 1.68 no default 10 15 default 1
default 54 fU
- 6.
CALCULATED PARAMETERS 5.1 Adjusted mean response time, mean 6.2 Adjusted error factor, fR 6.3 Median response time, m
- 7. EVEZ1T OCCURENCE PROBABILISTIC ESTIMATES 25.0 6.332 23.8 7.1 7.2 7.3 7.4 Mean (explicitly includes associated 95th percentile 5th percentile Error Factor equipment failures) 3.2E-0l 4.OE-0l 1.3R-01 1.78
- 8.
ASSOCIATED EQUIPMENT RELIABILITY TREATMENT 8.1 Human reliability event mean failure probability 8.2 Associated equipment reliability limited (lyes,0=no) 8.3 Associated equipment failure probability (see E49) 8.4 Combined human and equipment failure probability 2.5E-01 1
6.90E-02 3.23E-0l Page 1
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Ex-Control Room Model I. EVEIT IPZHIAPD
- 2.
MVMNT IDENTIFICATION
- -W p.O3/D3 2.1 Descriptor 2.2 Comment Operator fails to start doe Pumrp for feed and tleed when aux lube oil pump does not start frow control ro
- 3. EVENT CATEGORIZATION 3.1 Event type 3.2 Location of action(s) 3.3 Failure mode post-initiator recovery ex-control room mistake
- 5. INPUT PARASTESRS 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 Adjust5ents to error factor Model uncertainty error factor, fO Available time (min), t no default default is generic is default is generic is no default 0
4.3905 0
1.68 CZS:0LA.TD APAAMETERS 6.1 Adjusted mean response time, mean 6.2 Adjusted error factor, fR 6.3 Median response time, m
- 7. EVWNT OCCURENCB P-OBABILISTIC ESTIMATES 7.1. bdea (explicitly includes aosociated equipment failures) 7.2 95th percentile 7.3 5th percentile 7.4 Error Factor
- 8. ASSOCIATEDQUIPMt PELIABI~ T AT1SS 8.1 1Uma Reliability event mean failure probability 8.2A~sc~aed quipment reliability iimited (I-Yes,0'rtn)
- 8. sociated e
ip ieilbe itbb-a<y (see Z49) 84 Associated equipaent failure Proba (see M9 8.4 Combined human and equipment failure probabiliy 10 25 default
' I default 54 35.0 6.332 33.3 4.2N-01 5.1£-.01 1.9E-01 1..62 3.5SE-011 6.90z-0 2 4.24E-01 t
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