ML20195F251

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Rev 0 to Calculation 93C1783-40, Seismic Fragility (SPRA) Analysis,Beaver Valley Unit 1 DG Building
ML20195F251
Person / Time
Site: Beaver Valley
Issue date: 01/31/1994
From:
STEVENSON & ASSOCIATES
To:
Shared Package
ML20195F186 List:
References
93C1783-40, 93C1783-40-R, 93C1783-40-R00, NUDOCS 9811190221
Download: ML20195F251 (7)
v • d • e


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Acceptance Criteria:

Remarks:

REVISIONS l

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ATTACHMENT H 1 i i i

l Detailed Description of the Top 5 i Seismic Core Damage Sequences

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l Detailed Description of the Top 5 Seismic Core Damage Sequences Seismic Frequency Earthquake Independent CDF per year Acceleration Seismic Failures Guaranteed Failures Non-seismic Operator Action Sequence (Percent of Level (g) Failures Failures / Timing Seismic Total) 1 5.3935E-07 SEIS4 (0.5 - 1.0) . ZC4 - Offsite Grid . OGF- Offsite Grid N/A N/A (10.13%) . ZD4 - Normal AC/DC Power + DSF - 125V DC Battery 2-5 Supply

. ZE4 - Emergency AC Power + D6F - 125V DC Battery 2-6 Supply

+ ZB4 - ERF Diesel Generator . AOF - Emergency AC Orange Train Power . BPF - Emergency AC Purple Train

. XTF - Station AC Power Cross Tie *

. OSF - Operator Initiates Safety injection

. WAF- Service / Standby SW Train-A Pumps &

Flow Path

. WBF- Service / Standby SW Train-B Pumps &

Flow Path

. BKF - ERF (Black) Diesel Generator Power

. CSF - Turbine Plant Component Cooling Water

. IAF - Station instrument Air Supply

. CCF - Primary Component Cooling Water System

. ICF - Containment Instrument Air System

. TBF - RCP Thermal Barrier Cooling

. AFF - Auxiliary Feedwater

. PRF - Pressurizer Relief at:d Reciosure

. OFF - Manual Actions to Reestablish MFW

. OBF - Bleed & Feed Cooling

. HHF - High Head Safety injection Pumps i

. LHF - Low Head Safety injection Pumps

. NRF - Recirculation from sumo not required i

. NMF- No melt condition from injection phase

. QSF - Quench Spray Pumps

. SMF- Containment Sump Water Level, Plugging

. CIF -Containmentisolation ,

. REF - Electric power recovery prior to core uncovery 2 3.6910E-07 SSS4 (0.5 - 1.0) . ZC4 - Offsite Grid . OGF- Offsite Gnd N/A N/A (6.93 %) . ZD4 - Normal AC/DC Power . DSF - 125V DC Battery 2-5 Supply

. ZB4 - ERF Diesel Generator . D6F - 125V DC Battery 2-6 Supply Power . OSF - Operator Initiates Safety injection  ;

e WAF- Service / Standby SW Train-A Pumps &

Flow Path

. WBF Service / Standby SW Train-B Pumps &

Detailed Description of the Top 5 Seismic Core Damage Sequences l Seismic Frequency Earthquake Independent #

CDF per year Acceleration Seismic Failures Guaranteed Failures Non-seismic Operator Action Sequence (Percent of Level (g) Failures Failures / Timing Seismic Total)

Flow Path

. BKF - ERF (Black) Diesel Generator Power

. CSF - Turbine Plant Component Cooling Water

. IAF - Station instrument Air Supply

. CCF - Primary Component Cooling Water System

. ICF - Containment instrument Air System

. TBF - RCP Thermal Barrier Cooling *

. AFF - Auxiliary Feedwater

. PRF - Pressurizer Relief and Reciosure

. OFF - Manual Actions to Reestablish MFW

. OBF - Bleed & Feed Cooling

. HHF - High Head Safety injection Pumps

. LHF - Low Head Safety injection Pumps

. NRF - Recirculation from sump not required

. NMF- No melt condition from injection phase

. OSF - Quench Spray Pumps

. SMF - Containment Sump Water Level, Plugging

. CIF -ContainmentIsotation

. REF - Electric power recovery prior to core uncovery 3 2.8510E-07 SEIS3 (0.35 - 0.5) . ZC3 - Offsite Grid . OGF- Offsite Grid N/A N/A (5.35%) . ZE3 - Emergency AC Power . AOF - Emergency AC Orange Train

. ZB3 - ERF Diesel Generator . BPF - Emergency AC Purple Train Power . XTF - Station AC Power Cross Tie

. WAF- Service / Standby SW Train-A Pumps &

Flow Path

. WBF- Service / Standby SW Train-B Pumps &

Flow Path

. BKF - ERF (Black) Diesel Generator Power

. CSF - Turbine Plant Component Cooling Water

. !AF - Station Instrument Air Supply

. CCF - Primary Component Coohng Water System

. ICF - Containment instrument Air System

. TBF - RCP Thermal Barrier Cooling

. HHF - High Head Safety injection Pumps

. SEF - RCP Sealinjection

. LHF - Low Head Safety injection Pumps

. ODF- Depressurization of RCS for RHR Entry i

Detailed Description of the Top 5 Seismic Core Damage Sequences Seismic Frequency Earthquake independent CDF per year Acceleration Seismic Failures Guaranteed Failures Non-seismic Operator Action Sequence (Percent of Level (g) Failures Failures / Timing ,

Seismic Total)

. NRF - Recirculation from sump not required

. NMF- No mert condition from injection phase

. QSF- Quench Spray Pumps

. SMF - Containment Sump Water Level. Plugging

. REF - Electric power recovery prior to core >

uncovery 4 2.1881E-07 SEIS3 (0.35 - 0.5) . ZC3 -Offsite Grid . OGF- Offsite Grid N/A N/A "

(4.11%) . ZD3 -Normal AC/DC Power . D5F - 125V DC Battery 2-5 Supply

. ZE3 - Emergency AC Power . D6F - 125V DC Battery 2-6 Supply

. ZB3 - ERF Diesel Generator . AOF - Emergency AC Orange Train Power . BPF - Emergency AC Purple Train .

. XTF - Station AC Power Cross Tie

. WAF- Service / Standby SW Trasn-A Pumps & L Flow Path

. WBF- Service / Standby SW Train-B Pumps &

Flow Path

. BKF - ERF (Black) Diesel Generator Power

. CSF - Turbirse Plant Component Cooling Water

. IAF - Station Instrument Air Supply

. CCF - Primary Component Cooling Water System

. ICF - Containment Instrument Air System

. TBF - RCP Tiiermal Barrier Cooling I

. HHF - High Head Safety injection Pumps

. SEF - RCP Sealinjection i

. LHF - Low Head Safety injection Pumps

. ODF - Depressurization of RCS for RHR Entry

. NRF - Recirculation from sump not required

. NMF- No melt condition from injection phase

. OSF - Quench Spray Pumps

. SMF - Containment Sump Water Level. Plugging *

  • REF - Electric power recovery prior to core uncovery I r

5 2.0439E-07 SETS 4 (0.5 1.0) . ZC4 - Offsite Grid . OGF- Offsite Grid N/A N/A (3.84 %) . ZE4 - Emergency AC Power . AOF- Emergency AC Orange Train  !

. ZB4 - ERF Diesel Generator + BPF - Emergency AC Purple Train Power . XTF - Station AC Power Cross Tie  :

. OSF - Operator initiates Safety injection  !

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Detailed Description of the Top 5 Seismic Core Damage Sequences Seismic Frequency Earthquake .

Independent CDF per year Acceleration Selsmic Failures Guaranteed Failures Non-seismic Operator Action Sequence (Percent of Level (g) Failures Failures / Timing .

Seismic Total)

. WAF- Service / Standby SW Train-A Pumps &

Flow Path

. WBF- Service / Standby SW Train-B Pumps &

Flow Path

. BKF - ERF (Black) Diesel Generator Power

. CSF - Turbine Plant Component Cooling Water

. IAF - Station Instrument Air Supply -

. CCF - Primary Component Cooling Water System

. ICF - Containment instrument Air System

. TBF - RCP Thermal Barrier Cooling

. AFF - Auxiliary Feedwater

. PRF - Pressurizer Relief and Reclosure

. OFF - Manual Actions to Reestablish MFW

. OBF- Bleed & Feed Cooling

. HHF - High Head Safety injection Pumps -

. LHF - Low Head Safety injection Pumps

. NRF - Recirculation from sump not required

. NMF- No melt condition from injection phase

. QSF - Quench Spray Pumps

. SMF - Containment Sump Water Level, Ptugging

. CIF - Containment isolation

. REF - Electric power recovery prior to core uncovery I

_ _ _ _ _ _ _ _ _ _ . _ _ . _ _ . _ _ _ . _ _ _ _ . _ _ _ -\________ ___ __._______2_ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ ____m__.. - _____ _ _ _ _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _

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