ML19162A404

01_05_Exercise_A Task 7 Cutset Analysis Print Color

ML19162A404
Person / Time
Issue date:	06/13/2019
From:	Office of Nuclear Regulatory Research
To:
T. Rivera
Shared Package
ML19162A398	List: ML19162A399 ML19162A400 ML19162A401 ML19162A402 ML19162A403 ML19162A404 ML19162A405 ML19162A407 ML19162A408 ML19162A409 ML19162A410
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Download: ML19162A404 (17)

Text

Fire PRA Cutset Analysis Exercise Type of Quantification: Failed Events are Set to TRUE Fire Scenario: 2TB72154ACmpt10 Cutset # 1 Cutset Prob. 7.00E04 BE Prob BE ID Description 1.00E+00 FLAGNOCST NO CONDENSATE AVAILABLE TO AFW FLAG 1.00E+00 INITFIRE FIRE INITIATING EVENT 7.00E04 LXV230P MANUAL VLV 230 FT OPEN ON DEMAND 1.00E+00 NOATWS DUMMY EVENT FOR NONATWS CONDITION 1.00E+00 NOINITLIA DUMMY EVENT FOR NO LIA EVENTS 1.00E+00 XHOS2TB72154A Basic Events Set to TRUE or 1.0 Event Probability Description 2TB72154ACMPT10 2.11E02 Whole compartment burn.Entire compartment lost in screening. Initiator BPPSYSLK1DD 1.24E04 IA SYSTEM PIPING LEAK / RUPTURE FLAGNOCST 1.00E+00 NO CONDENSATE AVAILABLE TO AFW FLAG

INITFIRE 1.00E+00 FIRE INITIATING EVENT INITFIRET LXV230P 7.00E04 MANUAL VLV 230 FT OPEN ON DEMAND NOINITLIA 1.00E+00 DUMMY EVENT FOR NO LIA EVENTS NOATWS 1.00E+00 DUMMY EVENT FOR NONATWS CONDITION XHOS2TB72154A 1.00E+00 XHOS2TB72154AT Cutset Analysis (Complete table below for exercise)

Scenario Sequence Initiating Event Impact Mitigation System Impact Proposed Recovery Proposed Modification 2TB72154ACmpt10