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136 Cards in this Set
- Front
- Back
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What are the foldout page items in EOP 0?
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- AFW Supply switchover criteria - Faulted S/G isolation criteria - Ruptured S/G Isolation criteria - Adverse containment conditions |
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In EOP 0, what are the foldout page RCP trip criteria?
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If both conditions listed below occur, the trip both RCP's: - RCS subcooling - less that [40F] 31F - SI pumps - at least one running and capable of delivering flow |
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In EOP 0, what are the foldout page AFW supply switchover criteria? |
If CST level lowers to less than 4ft, then switch to alternate AFW suction supply per AOP-23, establishing alternate AFW suction supply. |
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In EOP 0, what are the faulted S/G isolation criteria? |
- Isolate feed to the faulted S/G - Maintain total feed flow >/= 230 gpm until narrow range level in at least one S/G is greater than [51%] 32%. |
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In EOP 0, what are the ruptured S/G Isolation criteria?
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-and- NR level in affected S/G is > [51%] 32%, Then feed flow may be isolated to the affected S/G. |
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In EOP 0, what are the foldout page criteria for adverse containment conditions?
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- Containment pressure > 5 psig -OR- - Containment radiation level >/= 1 e4 R/hr -OR- - Integrated dose to containment >/= 3.5 e4 R/hr |
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As EOP 0 is the gateway for all EOP's / ECA's, what are the transitions from EOP 0?
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ECA 0.0 - Loss of All A/C Power EOP 0.1 - Reactor Trip Response CSP H.1 - Loss of Secondary Heat Sink EOP 2 - Faulted S/G EOP 3 - SGTR ECA 1.2 - LOCA Outside Containment |
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What are the major actions of EOP 0?
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- Stabilize RCS Temperature - Identify optimal recovery procedure - Shutdown unnecessary plant equipment while continuing to diagnose |
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What are the Foldout Page criteria for EOP 0.1, Reactor Trip Response?
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- AFW Supply Switchover Criteria |
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What are the EOP 0.1, Rx Trip Response, Foldout Page SI Actuation Criteria?
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If either condition listed below occurs, then manually initiate both trains of SI and CI, and go to EOP 0 Rx Trip or SI step 4: - RCS Subcooling based on CET's <35F -OR- PZR Level cannot be maintained >7% |
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In EOP 0.1, what are the foldout page AFW supply switchover criteria?
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EOP 0.1, Rx Trip Response AFW Supply Switchover Criteria: If CST level lowers to less than 4ft, then switch to alternate AFW suction supply per AOP-23, Establishing Alternate AFW Suction Supply. |
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What is the procedural flowpath to enter EOP 0.1, Rx Trip Response?
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EOP 0.1, Rx Trip Response is entered from EOP 0, Step 4, when SI is not actuated and not required. |
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What is the optimal end state for EOP 0.1, RX Trip Response?
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- Prepare the plant for a startup - OR- - Cooldown on Forced Natural Circ |
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What are the major actions of EOP 0.1, Rx Trip Response?
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- Ensure the primary stabilizes at no load Tavg - Ensure the secondary stabilizes at no load conditions - Ensure necessary components have power available - Maintain / Establish forced circulation - Maintain the plant in a stable condition |
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What is the path to enter EOP 1.1, SI Termination from EOP 0, Rx Trip or SI?
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EOP 1.1, SI Termination, will be entered from EOP 1 (step 11) if: - Subcooling based on CET's > [74F] 35F - And - - Level in at least one S/G > [51%] 32% - or - total feed flow >230 gpm - And - RCS Pressure > [1850 psig] 1725 and stable or rising - And - PZR Level > 13% |
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What is the path to enter EOP 1.1, SI Termination from EOP 1, Loss of Rx or Secondary Coolant?
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EOP 1.1, SI Termination, will be entered from EOP 0 Rx Trip or SI (step 14) if: - Subcooling based on CET's > 35F - And - - Level in at least one S/G > 32% - or - total feed flow >230 gpm - And - RCS Pressure >1725 and stable or rising - And - PZR Level > [32%] 13% |
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What is the path to enter EOP 1.1, SI Termination, from CSP H.1, Loss of Secondary Heat Sink?
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EOP 1.1, SI Termination, can be entered from CSP-H.1, Loss of Secondary Heat Sink, Step 31, after secondary heat sink has been reestablished and SI has been terminated. |
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What are the foldout page criteria for EOP 1.1, SI Termination?
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EOP 1.1 SI Termination Foldout Page Criteria: - SI Reinitiation Criteria - Secondary Integrity Criteria - AFW Supply Switchover Criteria - Adverse Containment Conditions - RCS Temperature Control Criteria |
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What are the foldout page criteria for SI Reinitiation in EOP 1.1, SI Termination?
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EOP 1.1, SI Termination, SI Reinitiation Criteria: If either condition below occurs following SI termination, then manually start ECCS pumps as necessary to restore RCS Subcooling and PZR level, and go to EOP 1, Loss of Rx or Secondary Coolant - RCS Subcooling based on CET's < [74F] 35F - OR - - PZR Level Cannot be maintained > [32%] 13% |
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What is the EOP 1.1, SI Termination, Foldout Page Secondary Integrity Criteria? |
EOP 1.1, SI Termination, Foldout Page Secondary Integrity Criteria: If both conditions below occur, then go to EOP 2, Faulted S/G - Any S/G Pressure lowering in an uncontrolled manner or completely depressurized, -AND- Faulted S/G Not previously isolated |
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What is the EOP 1.1, SI Termination, Foldout Page AFW Supply Switchover Criteria?
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What is the EOP 1.1, SI Termination, Foldout Page AFW Supply switchover criteria is: - If CST Level lowers to < 4ft, then switch to alternated AFW suction supply per AOP-23, Establishing Alternate AFW Suction Supply. |
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What is the EOP 1.1, SI Termination, Foldout Page Adverse Containment Conditions?
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- Containment pressure > 5 psig -OR- - Containment radiation level >/= 1 e4 R/hr -OR- - Integrated dose to containment >/= 3.5 e4 R/hr |
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What is the EOP 1.1, SI Termination, Foldout Page RCS Temperature Control Criteria?
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EOP 1.1, SI Termination, Foldout Page RCS Temperature Control Criteria: - If RCS Th temperatures are not stable, then control steam dump and total feed flow as necessary to stabilize RCS Th temps. |
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What is the first step of EOP 0, Rx Trip or SI?
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- Reactor Trip Bkrs and Bypass Bkrs Open - All IRPI's indicate <20 steps - All RBL's Lit - Neutron Flux is lowering |
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What are the EOP 0, Rx Trip or SI, RNO actions if one of the conditions in Step 1 is not met?
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- Manually Trip the Reactor, Train A and B - If Rx Power is >/= 5%, OR IR SUR is positive, then go to CSP s.1, Response to ATWs. |
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What is the second Step of EOP 0, Rx Trip or SI?
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Step 2 of EOP 0, Rx Trip or SI: Verify Turbine Trip - Turbine Stop Valves Both Shut |
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What are the RNO actions for step 2 of EOP 0, Rx Trip or SI?
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EOP 0, Rx Trip or SI, actions if Turbine Stop Valves are not both shut in step 2: - Manually Trip the turbine, If the tturbine will not trip, then shut the MSIV's. |
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What is the 3rd step of EOP 0, Rx Trip or SI?
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Verify Power to AC Safeguards Buses: a. Check Safeguards Buses, at least one energized, - Train A -OR- - Train B b. Check Safeguards buses - ALL ENERGIZED |
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What is done in EOP 0, Rx Trip or SI, if NO safeguards buses are energized?
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- Fast Start any EDG - If power can not be restored, go to ECAZ 0.0, Loss of All AC Power. |
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What is done in EOP 0, Rx Trip or SI, Step 3 if not all safeguards buses are energized?
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In EOP 0, Rx Trip or SI, Step 3 if all safeguards buses are not energized you should: Try to restore power to de-energized buses while continuing in EOP 0. |
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What is step 4 of EOP 0, Rx Trip or SI?
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Check if SI is Actated: a. Any SI Annunciators Lit b. Both Trains of SI Actuated - SI Pumps and RHR Pumps all running |
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What are the RNO Actions of EOP 0, Rx Trip or SI, Step 4, if no SI Annunciators are lit?
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- Containment Pressure >5 psig - OR - - Steam Line A or B Press < 545 psig - OR - - PZR Press <1735 psig If SI is required, then manually actuate both trains of SI and CI. If SI is not required, then go to EOP 0.1, Rx Trip Response. |
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What is done in EOP 0, Rx Trip or SI, if SI is required, but both trains of SI are not actuated?
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If SI is required, but both trains of SI are not actuated, then manually actuate both trains of SI and CI.
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What are the major actions of EOP 1.1, SI Termination?
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- Stop SI Pumps - Verify SI flow not required - Realign plant to pre SI configuration - Maintaoin stable plant conditions |
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What is the difference between SI Actuation, and SI Reinitiation?
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SI Reinitiation means the starting of individual SI pumps as necessary to recover subcooling or inventory. |
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What are the criteria used in EOP 1.1, SI Termination, to verify SI flow not required?
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In EOP 1.1, SI Termination, in order to verify SI flow not required you need: - RCS Subcooling based on CTS's > [74F] 35F - PZR Level > [32%] 13% and stable or rising |
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How is EOP 0.2, Natural Circ C/D, entered?
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- EOP 0.1, Rx Trip Response, when it is determined that a natural circ C/D is rrequired. - ECA 01, Loss of All A/C Without SI Required, after plant is stabilized following restoration of AC emergency power. |
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What are the foldout page criteria of EOP 0.2, Natural Circ C/D?
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EOP 0.2, Natural Circ C/D Foldout Page Criteria: - SI Actuation Criteria - AFW Supply Switchover Criteria |
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What are the EOP 0.2, Natural Circ C/D, Foldout Page SI Actuation Criteria?
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If either condition listed below occurs, then manually actuate both trains of SI and CI, and go to EOP 0 Rx Trip or SI Step 4: - RCS Subcooling based on CET's < 35F - - OR - - PZR Level cannot be maintained > 7% |
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What are the EOP 0.2, Natural Circ C/D, Foldout Page AFW Supply Switchover Criteria?
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- If CST Level Lowers to < 4ft, then switch AFW Suction Supply per AOP-23, Establishing Alt. AFW Suction Supply. |
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What are the major actions of EOP 0.2, Natural Circ C/D?
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- Try to start an RCP - C/D and depress. RCS with or without upper head void growth - Block SI - Place RHR in service - C/D to cold S/D |
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How much heat is still being generated post Rx trip at: - 1 min? - 30 min? - 60 min? |
: - 3.6% power (65 MWT) at 1 min - 1.55% power (28 MWT) at 30 min - 1.25% power (22.5 MWT) at 60 min |
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How long does it take to establish Natural Circ?
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Natural circ is assumed established 12 min after RCP's trip. |
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What are the TS limits for RCS and PZR C/D? - What are the limits of EOP 0.2, Natural Circ C/D, for RCS C/D Rate? |
PZR CDR is limited to 200F/hr - EOP 0.2, Natural Circ C/D, limits RCS C/D to 25F/hr. |
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What is the purpose of limiting CDR in EOP 0.2, Natural Circ C/D?
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The CRDM's and shroud fans act as a radiator, and will cool the RV Head at approximately 30F/hr initially, lowering to 21F/hr later on as differential temperatures lower, averaging about 25F/hr. Cooling the RCS at 25F/hr will minimize void formation in the RV Head. |
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What are the power supplies to the CRDM Shroud Fans and the Cavity Cooling Fans? |
- Cavity Cooling Fans are powered from 1(2)B-31, and will be lost on SI. |
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In EOP 0.2, Natural Circ C/D, what needs to be performed prior to starting RCPs that have previously lost seal cooling?
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If RCP seal cooling had previously been lost, affected RCPs should not be started prior to a status evaluation. |
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In EOP 0.2, Natural Circ C/D, what is the order of preference for running RCP's? - Why is that the preferred order? |
- RCP B provides better PZR Spray flow, due to the surge line being attached to the B Th. |
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What indications would you have in EOP 0.2, Natural Circ C/D, of a void forming in the head? |
In EOP 0.2, Natural Circ C/D, void formation would be indicated by PZR level rising rapidly, and Vessel level <25ft.
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What is done in EOP 0.2, Natural Circ C/D, if a steam void develops in the head?
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In EOP 0.2, Natural Circ C/D, if a RV Void develops, repressurize the RCS to collapse the void, and continue the cooldown.
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What are the actions in EOP 0.2, Natural Circ C/D, if the CRDM fans are not running?
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- Maintain desired subcooling & C/D to 285F - 295F. - Maintain 285F - 295F and soak as directed (9hrs) |
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What is the purpose of the soak period in EOP 0.2, Natural Circ C/D?
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The 9 hr soak in EOP 0.2, Natural Circ C/D, is done to allow the upper head region to reach saturation temperature for 400 psig. |
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What are the indications to verify Natural Circ?
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- Subcooling >35F based on CET's - RCS Th stable or lowering - CET's stable or lowering - S/G Pressure stable or lowering |
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What are the major actions of EOP 0.3, Natural Circ C/D with a void in the vessel (with RVLIS)?
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Major actions of EOP 0.3, Natural Circ C/D with a steam void in the vessel are: - Ensure the first 13 steps of EOP 0.2 are done first - Try to start an RCP - C/D and depressurize while monitoring void growth - Block SI - Place RHR is service C/D tpo cold S/D |
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What are the foldout page items for EOP 1, Loss of Rx or Secondary Coolant?
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EOP 1 Loss of Rx or Secondary Coolant foldout page items: - RCP Trip Criteria - SI Termination Criteria - SI Reinitiation Criteria - Secondary Integrity Criteria - EOP 3 Transition Criteria - Containment Sump Recirc Switchover Criteria - AFW Supply Switchover Criteria - Adverse Containment Conditions |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page RCP Trip Criteria?
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If both conditions listed below occur, then trip both RCP's - RCS Subcooling < [40F] 31F - SI Pumps at least one running and capable of delivering flow. |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page SI Termination Criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, SI Termination Criteria are: If all conditions listed below occur, then go to EOP 1.1, SI Termination: - RCS Subcooling based on CET's > [74f] 35F - Secondary heat sink available ( Intact S/G level > [51%] 32% -OR- Total feed flow to intact S/G's >230 gpm.) - RCS Pressure > [1850 psig] 1725 psig and stable or rising - PZR Level > [32%] 13% |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page SI Reinitiation Criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, SI Reinitiation Criteria are: If either condition below occurs, then manually start ECCS Pumps as necessary to restore RCS subcooling and PZR level: - RCS Subcooling based on CET's < [74f] 35F -OR- PZR level cannot be maintained > [32%] 13% |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page Secondary Integrity Criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, Secondary Integrity Criteria are: If both conditions listed below occur, then go to EOP-2, Faulted S/G Isolation: - Any S/G Pressure lowering in an uncontrolled manner, or completely depressurized -AND- - Faulted S/G Not previously isolated -AND- - Faulted S/G Not needed for RCS Cooldown |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page EOP 3 Transition criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, EOP 3 transition criteria are: If any S/G level rises in an uncontrolled manner or has abnormal radiation, then manually start ECCS pumps as necessary to maintain RCS inventory, and go to EOP 3 SGTR. |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page Containment Sump Recirc Switchover Criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, Containment Sump Recirc Switchover criteria are: If either condition below is satisfied, then go to EOP 1.3, Transfer to Containment Sump Recir - Low Head In jection: - RWST Level <60% - OR - - RCS Pressure < [450 psig] 325 psig, and RHR flow > 550 gpm |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page AFW Supply switchover criteria?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, AFW Supply Switchover criteria are: If CST Level lowers to <4ft, then switch to alternate AFW suction supply per AOP 23, Establishing Alternate AFW Supply. |
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What are the EOP 1, Loss of Rx or Secondary Coolant, foldout page Adverse Containment Conditions?
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Foldout page of EOP 1, Loss of Rx or Secondary Coolant, Adverse Containment Conditions are: If any condition listed below occurs, then EQ equipment and adverse containment setpoint values in brackets [], shall be used - Containment Press > 5 psig - OR - - Containment rad levels > 1.0 e+4 R/hr - OR - - Integrated Containment dose > 3.5e+4 R |
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What is the purpose / long term recovery methods of EOP 1, Loss of Rx or Secondary Coolant?
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EOP 1 checks ststus of major equipment, RCP's, S/G's, SI, IA, CVCS, Spray, RHR, then directs you to the appropriate procedure for long term recovery. |
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What is the flowpath to enter EOP 1.2, Post LOCA C/D and Depressurization?
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EOP 1.2, Post LOCA C/D and Depressurization, is entered from EOP 1, Loss of Rx or Secondary Coolant, when RCS Pressure is > RHR Pump Shutoff Head (step 18).
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What are the foldout page items for EOP 1.2, Post LOCA C.D and Depressurization?
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EOP 1.2, Post LOCA C.D and Depressurization, Foldout Page items are: - SI Termination Criteria - SI Reinitiation Criteria - Secondary Integrity Criteria - EOP 3 Transition Criteria - Containment Sump Recirc Switchover Criteria - AFW Supply Switchover Criteria - Adverse Containment Conditions |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, Foldout page SI Termination Criteria? |
Foldout page of EOP 1.2, Post LOCA C/D and Depressurization, SI Termination Criteria are: If all conditions listed below occur, then go to EOP 1.1, SI Termination: - RCS Subcooling based on CET's > [74f] 35F - Secondary heat sink available ( Any intact S/G level > [51%] 32% -OR- Total feed flow to intact S/G's >/= 230 gpm.) - RCS Pressure > [1850 psig] 1725 psig and stable or rising - PZR Level > [32%] 13% |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, Foldout page SI Reinitiation Criteria? |
Foldout page of EOP 1.2, Post LOCA C/D and Depressurization, SI Reinitiation Criteria are: If either condition below occurs, then manually start ECCS Pumps as necessary to restore RCS subcooling and PZR level: - RCS Subcooling based on CET's < [74f] 35F -OR- PZR level cannot be maintained > [32%] 13% |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, foldout page Secondary Integrity Criteria? |
Foldout page of EOP 1.2, Post LOCA C/D and Depressurization, Secondary Integrity Criteria are: If all conditions listed below occur, then go to EOP-2, Faulted S/G Isolation: - Any S/G Pressure lowering in an uncontrolled manner, or completely depressurized -AND- - Faulted S/G Not previously isolated |
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What are the EOP 1.2, Post LOCA C/D and depressurization, foldout page EOP 3 Transition criteria?
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Foldout page of EOP 1.2, Post LOCA C/D and Depressurization, EOP 3 transition criteria are: If any S/G level rises in an uncontrolled manner or has abnormal radiation, then manually start ECCS pumps as necessary to maintain RCS inventory, and go to EOP 3 SGTR. |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, Foldout page Containment Sump Recirc Switchover Criteria?
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In EOP 1.2, Post LOCA C/D and Depressurization, Foldout Page Containment Sump Recirc Switchover Criteria are: If either condition listed below is satisdfied, then go to EOP 1.3, Transfer to Containment Sump Recirc: - RWST Level < 60% -OR- - RCS Pressure < [450 psig] 325 psig -AND- RHR flow >550 gpm. |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, foldout page AFW Supply Switchover Criteria?
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In EOP 1.2, Post LOCA C/D and Depressurization, flodout page AFW Supply switchover criteria are: If CST Level lowers to <4 ft, then switch to alternate AFW Pump Suction Supply per AOP-23, Establishing Alternate AFW Suction Supply. |
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What are the EOP 1.2, Post LOCA C/D and Depressurization, Foldout page criteria for adverse containment?
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If any condition listed below occurs, the EQ equipment and adverse containment setpoint values in brackets [] shall be used: - Containment Pressure >5 psig -OR- - Containment rad levels > 1.0e+4 R/hr -OR- - Containment Integrated dose > 3.5e+4 R |
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What cooldown rate is allowed in EOP 1.2, Post LOCA C/D and Depressurization? - Why is this value of CDR used? |
- The maximum CDR of 100F/hr will preclude violation of the Integrity Status Tree thermal shock limits. |
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In EOP 1.2, Post LOCA C/D and Depressurization, what is the reason for the first RCS depressurization? - What are the preferred methods, in order, for RCS depressurization? |
EOP 1.2, Post LOCA C/D and Depressurization, the RCS is depressurized to refill the PZR. - The preferred methods for depressurization are: - Normal PZR Spray - PORV's - Aux Spray |
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How is Aux Spray used if IA is not available to Containment, meaning CV-296, Aux Spray Valve, has no air supply?
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In the event that IA is not available in containment, CV-296, Aux Spray Valve, will open with a 250 psid differential pressure across the valve. This is accomplished, or assisted by shutting the Normal Charging Valve, CV-1298. |
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What are the criteria for stopping the first RCS depressurization in EOP 1.2, Post LOCA C/D and depressurization? - The second depressurization? |
In EOP 1.2, Post LOCA C/D and Depressurization, the first depressurization is stopped when PZR level reaches [44%] 24%. - The second depressurization, to minimize subcooling, therefore minimize RCS break flow, is stopped when PZR level is > [62%] 68%, or subcooling is between [84F] 45F and [74F] 35F. |
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What is the preferred order for operationg RCP's in EOP 1.2, Post LOCA C/D and Depressurization? - Why is this the preferred order? |
- This is the preferred order becauseRCP B will provide more effective PZR Spray, as the Surge Line is attached to the B Th. |
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What indications in EOP 1.2, Post LOCA C/D and Depressurization, support or indicate Natural Circ Flow?
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- Subcooling based on CET's > [74F] 35F - RCS Th stable or lowering - CET's stable or Lowering - S/G Pressures stable or lowering - RCS Tc at saturation temp for S/G Press. |
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What is the desired end state of EOP 1.2, Post LOCA C/D and Depressurization?
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EOP 1.2, Post LOCA C/D and depressurization, ends with the RCS on RHR, and RCS temperatures < 200F. |
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What are items are listed on the foldout page for EOP 1.3, Transfer to Containment Sump Recirc - LHSI?
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- Loss of Recirculation criteria - Loss of Pump Suction Criteria - AFW Supply Switchove Criteria - Adverse Containment Conditions |
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What are the EOP 1.3, Transfer to Containment Sump Recirc - LHSI, Loss of Recirculation Criteria?
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If Containment sump recirculation cannot be established or maintained on at least one SI train, then go to ECA 1.1, Loss of Containment Sump Recirc -OR- If indications of pump cavitationcaused by sump blockagethat prevents establishing or maintaining at least one train of ECCS flowin recirc mode occur, go to ECA 1.3, Containment Sump Blockage. |
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What are the foldout page of EOP 1.3, Transfer to Containment Sump Recirc - LHSI, Loss of Pump Suction Criteria as it pertains to the SI, RHR, CVCS, and Containment Spray Pumps?
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If suction source is lost to any ECCS, Cont. Spray, or Charging Pump, place taffected pump C/S in pullout: - Containment Spray using full flow discharge valve (SI-860A/C) - RWST @ 17% - Containment Spray pump using the reduced flow discharge valve (SI-860B/D) - RWST @ 10% - RHR, SI, and Charging Pumps - RWST @ 10% |
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What are the EOP 1.3, Transfer to Containment Sump Recirculation - LHSI, foldout page criteria for Adverse Containment Conditions?
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- Containment Pressure >5 psig - Containment Radiation Levels > 1e+4 Rhr - Containment integrated dose . 3.5e+4 R |
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What are the entry conditions for EOP 1.3, Transfer to Containment Sump Recirc - LHSI?
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- RWST < 60% -OR- RHR flow > 550 gpm, with RCS Press < [450 psig] 325 psig. |
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Once EOP 1.3, Transfer to Containment Sump Recirculation - LHSI, has been entered, what is done with regard to Critical Safety Function Status Trees?
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The Note at the beginning of EOP 1.3, Transfer to Containment Sump Recirc - LHSI, says that steps 1 thru 32 should be performed without delay, and CSP's should not be implemented prior to completion of these steps.
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What is done if, during the beginning (step 2) of EOP 1.3, Transfer to Containment Sump Recirc - LHSI, RCS pressure is > [450 psig] 325 psig, and RHR flow is < 550 gpm?
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If in EOP 1.3, Transfer to Containment Sump Recirc - LHSI, conditions are not met for LHSI to inject, then the operator is directed to EOP 1.4, Transfer to Containment Sump Recirc - HHSI |
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What is done in Attachment A of EOP 1.3, Transfer to Containment Sump Recirc - LHSI, to align CCW for sump recirc?
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Actions taken in Attachment A of EOP 1.3, Transfer to Containment Sump Recirculation LHSI, are: - Isolate non-essential CCW (WG Compressors U-1, RW CCW U-2) - Verify CCW HX Aligned to the unit - Establish 1.75 psid SW flow to ONE CCW HX - Shut bypass loop isolation valves - Isolate NRHX CCW - Isolate CCW to Seal Return HX |
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In EOP 1.3, Transfer to Containment Sump Recirc LHSI, which train of recirculation is preferred for: - Spray Recirc? - SI Recirc? |
In EOP 1.3, Transfer to Containment Sump Recirc - LHSI, Train A is preferred for Spray Recirc, and Train B is preferred for SI Recirc.
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In EOP 1.3, Transfer to Containment Sump Recirc LHSI, what is the amount of NaOH that would be enough to adjust the sump pH if added to the containment sump?
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EOP 1.3, Transfer to Containment Sump Recirculation LHSI, if there has been 17% of the Spray Add Tank added to the containment sump, then that is considered adequate. |
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In EOP 1.3, Transfer to Containment Sump Recirc, what value for CST's is maintained to ensure core cooling is established?
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In EOP 1.3, Transfer to Containment Sump Recirc LHSI, if CET's read <700F, then core cooling is considered established. |
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After ECCS has been aligned for Containment Sump Recirc IAW EOP 1.3, Transfer to Containment Sump Recirc LHSI, when is the RHR pump suction actually transferred to the containment sump?
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RHR Pump suction will be transferred to Sump B IAW EOP 1.3, Transfer to Containment Sump Recirc LHSI, when RWST level lowers ot 34%. |
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In EOP 1.3, Transfer to Containment Sump Recirc LHSI, what is the required amount of time for Containment Spray to be operated on recirc?
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EOP 1.3, Transfer to Containment Sump Recirc LHSI, requires Containment Spray to be run on recirc for 2 hours. |
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Under what conditions is EOP 1.4, Transfer to Containment Sump Recirc HHSI, entered?
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EOP 1.4, Transfer to Containment Sump Recirculation HHSI, is entered from EOP 1.3, Transfer to Containment Sump Recirc LHSI, when RCS pressure is > [450 psig] 325 psig, or RHR flow < 550 gpm.
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What are the flodout page items in EOP 1.4, Transfer to Containment Sump Recirc HHSI?
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Foldout page items in EOP 1.4, Transfer to Containment Sump Recirc HHSI are: - Loss of Recirc Criteria - Loss of Pump Suction Criteria - SI Pump Stopping Criteria - AFW Supply Switchover Criteria - Adverse Containment Conditions |
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What are the EOP 1.4, Transfer to Containment Sump Recirc HHSI, foldout page criteria for loss of sump recirc?
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If containment sump recirc cannot be established or maintained on at least one SI Train, then go to ECA 1.1, Loss of Sump Recirc - If indications of pump cavitation caused by sump blockage that prevents establishing or maintaining at least one train of ECCS flow in the recirculation mode occur, then go to ECA 1.3, Containment Sump Blockage |
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What are the EOP 1.4, Transfer to Containment Sump Recirc HHSI, foldout page criteria for loss of pump suction?
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- RWST Level < 17% for CS Pump using full flow discharge valve - RWST Level <10% for applicable RHR, SI and CVCS Pumps |
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What are the SI Pump Stopping Criteria in the foldout page of EOP 1.4, Transfer to Containment Sump Recirc HHSI?
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If RCS Pressure is > the shutoff head of the SI Pumps, they should be stopped. |
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What are the EOP 1.4, Transfer to Containment Sump Recirc HHSI, flodout page AFW Supply switchover criteria?
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In the foldout page of EOP 1.4, Transfer to Containment Sump Recirc HHSI, If CST level lowers to < 4 ft, then switch to alternate AFW suction supply per AOP 23, Establishing Alternate AFW Suction Supply. |
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What are the EOP 1.4, Transfer to Containment Sump Recirc HHSI, flodout page Adverse Containment criteria?
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In the foldout page of EOP 1.4, Transfer to Containment Sump Recirc HHSI, If any condition listed below occurs, then EQ equipment and adverse containment setpoint values in brackets [] shall be used: - Containment Pressure > 5 psig - Containment Radiation level > 1e+4 R/hr - Containment integrated dose >3.5e+4 R |
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What is the difference between Containment Spray Recirc in EOP 1.4, Transfer to Containment Sump Recirc HHSI, and in EOP 1.3, Transfer to Containment Sump Recirc LHSI?
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EOP 1.3 Transfer to Containment Sump Recirc LHSI requires 2 hours of Containment Spray on Sump Recirc, EOP 1.4, Transfer to Containment Sump Recirc HHSI, does not. |
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What are the foldout page criteria listed in EOP 2, Faulted S/G?
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RCS Temperature Control Criteria If all conditions listed below occur, then dump steam as necessary to establish Tc = 547F: - RCS Subcooling based on CET's > [74F] 35F - Secondary heat sink available by either: any intact S/G level >[51%] 32%, -OR- total feed to intact S/G >230 gpm - RCS Press > [1850 psig] 1735 psig - RCS Press stable or rising - PZR Level > [32%] 13% |
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What are the major actions of EOP 2, Faulted S/G?
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- Verify Main Steam Isolation - Check for non-faulted S/G - Identify and isolate faulted S/G - Check for ruptured S/G |
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What is done in EOP 2, Faulted S/G, if both S/G pressures are lowering in an uncontrolled manner?
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If both S/G pressures are lowering in an uncontrolled manner during EOP 2, Faulted S/G, then go to ECA 2.1, Uncontrolled Depressurization of both S/G's. |
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In EOP 2, Faulted S/G, what is done in step 4 to isolate flow to the faulted S/G?
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- MFIV - Discharge valve from P-53, MDAFP to the faulted S/G - Discharge valve from P-29, TDAFP to the faulted S/G - MOV from associated Stby S/G Feed Pump |
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In EOP 2, Faulted S/G, what is done in step 4 to isolate flow from the faulted S/G?
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In EOP 2, Faulted S/G, step 4, the following are shut from isolate flow to the faulted S/G: - Ensure ADV shut - Shut steam supply to TDAFP - Shut Blowdown Isolation Valves - AFP / Radwaste Steam Isolation is shut - Upstream Main Steam Traps are Isolated |
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What is the optimal end state for EOP 3, SGTR?
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Optimal end state for EOP 3, SGTR is SGTR break flow terminated, with RCS and Ruptured S/G inventories being controlled by PZR htrs and spray, charging and letdown. |
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What are the major actions of EOP 3, SGTR?
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- Identify and isolate the ruptured S/G - C/D to establish RCS subcooling - Depressurize the RCS to restore inventory - Terminate SI to stop primary to secondary leakage - Prepare for C/D to cold S/D |
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What is done in step 4 of EOP 3, SGTR, 4. Check ruptured S/G level > [51%] 32% If the ruptured S/G level is also faulted and not needed for RCS cooldown? |
In EOP 3, SGTR, ordinarily with a ruptured S/G it is fed until level is > [51%] 32%, unless the S/G is also faulted and not needed for RCS cooldown, in which case feed flow should remain isolated.
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What are the foldout page items in EOP 3, SGTR?
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- SI Reinitiation Criteria - Secondary Integrity Criteria - Multiple ruptured S/G's Criteria - Containment Sump Recirc Switchover Criteria - AFW Supply Switchover Criteria - Adverse Containment Conditions |
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What are the EOP 3, SGTR, SI Reinitiation Criteria?
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If SI has been terminated and either condition below occurs, the start SI pumps as necessary to reestablish RCS Subcooling and PZR level: - RCS Subcooling based on CET's < [74F] 35F -OR- - PZR level cannot be maintained > [32%] 13% |
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What are the EOP 3, SGTR, foldout page secondary integrity criteria?
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If all conditions below occur, then go to EOP 2, Faulted S/G Isolation: - Any S/G Pressure lowering in an uncontrolled manner or completely depressurized -AND- - Faulted s/G not previously isolated -AND- - Faulted S/G not needed for RCS C/D |
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Whatr are the EOP 3, SGTR, foldout page Multiple Ruptured S/G Criteria?
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If the intact S/G level rises in an uncontrolled manner or has abnormal radiation, then stabilize the plant and return to EOP 3, SGTR, Step 1. |
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What are the EOP 3, SGTR, foldout page containment sump recirc switchover criteria?
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EOP 3, SGTR, foldout page containment sump recirc switchover criteria are: If either condition listed below is satisfied, then go to EOP 1.3, Transfer to Containment Sum Recirc LHSI - RWST level < 60% - OR - RCS Pressure < [450 psig] 325 psig, and RHR flow > 550 gpm |
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What are the EOP 3, SGTR, foldout page criteria for AFW Supply Switchover?
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If CST level lowers to < 4ft, then switch AFW pump suction to alternate supply IAW AOP 23, Establishing Alternate AFW Suction Supply. |
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What are the EOP 3, SGTR, foldout page criteria for adverse containmt?
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EOP 3, SGTR, adverse containment foldout page conditions are: If any condition listed below ocurs, then EQ equipment, and adverse containment setpoint values in brackets[] shall be used: - Containment Pressure > 5 psig - Containment Rad Levels > 1e+4 R/hr Containment integrated dose > 3.5e+4 R |
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When in EOP 3, SGTR, would the RCP trip criteria be no longer valid?
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EOP 3, SGTR, RCP trip criteria in step 1 are valid unless an operator controlled RCS C/D is in progress. |
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How is flow isolated from the ruptured S/G in EOP 3, SGTR?
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In EOP 3, SGTR, Isolate flow from the ruptured S/G as follows: - Shut the MSIV and MSIV Bypass - Ensure ADV shut, set at 1050 psig - Shut TDAFP Steam Supply - Isolate Blowdown - Locally shut the Radwast e Steam / TDAFP Isolation - Locally shut the upstream steam trap isolation |
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How is feed flow isolated to the ruptured S/G in EOP 3, SGTR?
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In EOP 3, SGTR, if the ruptured S/G level is > [51%] 32%, then place MDAFP Feed Isolation in manual and shut, ensure TDAFP feed MOV shut, and ensure Stby S/G Feed Pump MOV is shut. |
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What restriction are placed on the C/D of EOP 3, SGTR?
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The C/D of EOP 3, SGTR, should not be limited by the 100F/hr TS Limit, either using two condenser steam dumps full open, or the ADV of the intact S/G full open. |
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What is the desired band for the intact S/G in EOP 3, SGTR?
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Per step 7 of EOP 3, SGTR, maintain intact S/G level between [51%] 36% and 63%. |
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After cooling down to targwt temperature in EOP 3, SGTR, why is the RCS depressurized the first time? |
In EOP 3, SGTR, once the RCS has been C/D to target temperature, the RCS is depressurized to minimize break flow and refill the PZR. |
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What is the desired means of depressurizing the RCS in EOP 3, SGTR? - What methods can be used if that is not availabel? |
In EOP 3, SGTR, Normal Spray is the desired means of depressurization. - If PZR spray is not available, the PORV is used to depressurize the RCS, followed by Aux Spray. |
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In EOP 3, SGTR, after depressurization, what criteria are used to determine if ECCS should be terminated?
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In EOP 3, SGTR, after the depressurization has been stopped, determine if Si should be terminated using the following: If RCS Pressure is rising, then check if ECCS flow should be terminated: - Subcooling based on CET's > [74F] 35F - Intact S/G Level > [51%] 32% -OR- Total feed flow > 230 gpm available - RCS Pressure stable or rising - Pzr Level > [32%] 13% |
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In EOP 3, SGTR, after SI flow has been terminated, what is done prior to reducing RCS pressure to ruptured S/G Pressure?
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Prior to reducing RCS pressure to ruptured S/G pressure, establish charging flow to maintain PZR level.
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In EOP 3, SGTR, what is done to assist in maintaining RCS pressure and PZR level?
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In EOP 3, SGTR, letdown is established to allow better control of PZR level and PZR pressure.
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What procedures are yoyu directed to at the end of EOP 3, SGTR?
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The end of EOP 3, SGTR directs you to the approproiate post SGTR C/D procedure: - EOP 3.1, Post SGTR C/D with Backfill - EOP 3.2, Post SGTR C/D Using Blowdown - EOP 3.3, Post SGTR C/D using Steam Dump |
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What are the foldout page criteria for the Post SGTR C/D Procedures, EOP 3.1, 3.2, and 3.3?
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- SI Reinitiation criteria - Secondary integrity criteria - Multiple ruptured S/G criteria - AFW Supply switchover criteria - Adverse Containment Conditions |
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What are the EOP 3.1, 3.2, and 3.3 Post SGTR C/D procedures foldout page criteria for SI reinitiation?
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If either condition below occurs, then manually start ECCS pumps as necessary to restore RCS subcooling and PZR level, and go to ECA 3.1, SGTR with LOCA - subcooled recovery desired: - RCS subcooling based on CRT's < [74F] 35F - OR - - PZR Level cannot be maintained > [32%] 13% |
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What are the EOP 3.1, 3.2, and 3.3 Post SGTR C/D procedures foldout page criteria for Secondary Integrity?
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EOP 3.1, 3.2, and 3.3 POost SGTR C/D procedures Secondary integrity criteria are: If all conditions listed below occur, then go to EOP 2, Faulted S/G: - Any S/G pressure lowering in an uncontrolled manner - AND - - Faulted S/G not previously isolated - AND - - Faulted S/G not required for RCS C/D |
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What are the EOP 3.1, 3.2, and 3.3 Post SGTR C/D procedures foldout page criteria for multiple ruprured S/G's?
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EOP 3.1, 3.2, and 3.3 POost SGTR C/D procedures multiple ruptured S/G criteria are: If intact S/G level rises in an uncontrolled manner OR has abnormal radiation, then stabilize the plant and return to EOP 3, SGTR, step 1. |
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What are the EOP 3.1, 3.2, and 3.3 Post SGTR C/D procedures foldout page criteria for AFW Supply switchover?
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EOP 3.1, 3.2, and 3.3 POost SGTR C/D procedures AFW supply switchover criteria are if CST level lowers to <4ft, then switch to alternate AFW suction per AOP 23, Establishing Alternate AFW Suction Supply.
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What are the EOP 3.1, 3.2, and 3.3 Post SGTR C/D procedures foldout page criteria for Adverse Containment?
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EOP 3.1, 3.2, and 3.3 POost SGTR C/D procedures for adverse containment are: If any condition listed below occurs, then EQ equipment and adverse containment setpoint values in brackets [ ] shall be used: - Containment Pressure > 5 psig - Containment rad level > 1e+4 R/hr Containment integrated dose > 3.5e+4 R |
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Whatr are the major Actions of EOP 3.1, 3.2, and 3.3, Post SGTR C/D?
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- Prepare for C/D to cold S/D - C/D and depressurize the RCS to RHR system temperature - C/D to cold S/D |
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What are the time requirements for response to a SGTR?
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When responding to a SGTR, releases from the ruptured S/G need to be isolated in 30 min.
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