EOP-FR-Z.1 Response to High Containment Pressure

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7 Terms

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Entry Path

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2
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Ensure PCS Conditions

(Step 1 & 2)

Step 1 is checking 5psig and/or 176.5°F

<p>Step 1 is checking 5psig and/or 176.5°F</p>
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Status of Secondary Plant?

(Step 3 & 4)

Notice:

Not all MSL Isolation paths, just MSIVs and Bypasses

Step 4:

Check for Faulted, RNO: Isolate Faulted

<p>Notice:</p><p>Not all MSL Isolation paths, just MSIVs and Bypasses</p><p></p><p>Step 4:</p><p>Check for Faulted, RNO: Isolate Faulted</p>
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When/How to fill PCCWST

(Step 6)

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Loss of Critical Switchgear power effect on Z.1

(Step 7)

Step 15: Jump to H2 Igniters

<p>Step 15: Jump to H<sub>2</sub> Igniters</p>
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Restoring Containment with ES-1/2 available

(Step 8-14)

Step 8: Start one fan per train in SLOW

Notice: Without VCS, jump to Igniters

Step 9: SWS: <71psig, >7500gpm, <95°F

Step 10: CCS: <110°F

Step 11: Reset “T”

Step 12: IA to CNS

Step 13&14: VWS: PRHR off, Chiller, VCS, <203°F

Notice: All support system degradation direct utilizing AOP while continuing EXCEPT VCS fans

<p>Step 8: Start one fan per train in SLOW</p><p>Notice: Without VCS, jump to Igniters</p><p>Step 9: SWS: &lt;71psig, &gt;7500gpm, &lt;95°F</p><p>Step 10: CCS: &lt;110°F</p><p>Step 11: Reset “T”</p><p>Step 12: IA to CNS</p><p>Step 13&amp;14: VWS: PRHR off, Chiller, VCS, &lt;203°F</p><p></p><p>Notice: All support system degradation direct utilizing AOP while continuing EXCEPT VCS fans</p>
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Requirements to actuate H2 Igniters

(Step 15)

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