Systems Test 3 Flashcards

Question

* LOT 201.12 CCW* * * * What will happen in the CCW system during a SI?

Answer 1

* *All 3 CCW pumps start** * 20 Sec on ESF DG Sequencer* * Will start even if switches on CP001/CP002 are in off* * *Opens CCW HX outlet and closes bypass valves** * Full flow through HX* **Isolates non-ESF loads** * *Aligns CCW to RCFCs** * Secures RCB Chill Water* * *Opens RHR HX outlet valves** * CCW Min Flow requirements* * * * * Note:* * Must re-align cooling to SFP HXs in 2.5 hrs.*

Answer 2

**130 ˚F** **RCP Seals** * * * Limit temperature to 115 ˚F to allow CCPs to add 15 ˚F.

Answer 3

* *Isolates CCW Header** * Isolates RCP Upper/Lower Bearing Coolers, Thermal Barrier, RCP Motor Air Coolers, SFP HX, PASS Coolers* **CCW Train "B" → CCP "B" and Seal Water HX** **CCW Train "C" → CCP "A" and PDP** * *Opens RHR Outlet Valves for running CCW Pumps _ONLY_** * Min flow requirements* * * * * Note:* * As soon as CCW common header isolated, standby CCW pump will start on CCW Header Pressure - Low (76 psig)*

Answer 4

**SI Signal** **_AND_** * *RWST Level - Low 2 (≤ 75,000 gal) [1/1]** * Each lvl switch provides signal for it's train only* * * * Closes HHSI AND LHSI pump mini-flow valves. When ≥ 1 valve for each pump closed: * Opens containment sump → SI suction header Isolation valve. RWST → SI suction header isolation valve must be manually closed by operator. (CP001) * * * * Note:* * Reset and RWST lvl indication are located on CP001*

Answer 5

**Starts self cleaning strainer motor** * *Starts to Open Discharge Valve after 10 sec** * If not open after 25 sec, pump trips (N/A for SI)* **Opens chemical injection valve for associated bay** * *Opens Blowdown Valves (N/A for train 2A)** * Maintain CP002 switches in CLOSE so doesn't really happen* * *Starts ventilation fans** * Must be manually secured* * * * * Discharge Valve MCC switch in local prevents discharge valve opening when ECW pump starts. * Self Cleaning strainer does not have switch in MCR. * * * * Note:* * Discharge valve will shut 2 mins after ECW pump secures to prevent draining ECW piping to ECW pond and thus preventing water hammer on pump S/U.*

Answer 6

**2 ECW/CCW train selector switches in "OFF"**

Answer 7

* *Logic Error** * 0 Current sent to stationary and movable grippers at same time* * *Regulation Error** * Current doesn't match order or Full current for too long* * *Phase Failure** * Excessive voltage ripple* * *Multiplex Error** * Wrong rod getting current* * *Rod Holdout switches out of position** * *Loose Circuit Card** * * * * Stops Auto/Manual rod motion * Individual Bank rod motion will still work * Sends reduced current signal to affected group movable/stationary grippers * * * * Note:* * Non-Urgent is a loss of 1 of the 4 power supplies and will not affect system operation.*

Answer 8

**Auctioneered High T_avg** ## Footnote * * * Compares selected controlling channel level (LT-465 or LT-467) to program level to determine demand to FCV-0205.

Answer 9

* *One Train** * *_OR_** * *One Train Capable of being OPERABLE in 2 hrs** ## Footnote * * * TRM 3.9.12 FHB Exhaust Air System

Answer 10

* _Reference Leg Break:_* * *Less Mass → D/P ↓ → L_ind↑** * _Diaphragm Failure:_* * *D/P ↓ → L_ind↑** * _Reference Leg Heating:_* * *Less Mass → D/P ↓ → L_ind↑** * w/o compensation*

Answer 11

* _PCV-655A:_* * *87.5%: Opens** * *75%: Closes** * _Spray Valves:_* * *72%: Full Open** * *40.5%: Start to Open** * _Control Heaters:_* * *34.5%: Zero Power** * 22%: NOP* * *15.5%: Full Power** * _B/U Heaters:_* * *14.5%: Turn Off** * *9.5%: Turn On**

Answer 12

**SI** * *High Radiation (5x10^-4 ^µCi/_cc)** * RT-8035 _OR_ RT-8036* * * * High Radiation Signal will drop out after 100 sec (Regardless if High Rad clear) to allow reset on CP-022.

Answer 13

**2200 psig** ## Footnote * * * LCO 3.2.5 DNB Parameters Applicable: MODE 1

Answer 14

**≥ 458,000 gallons** **2800 ppm - 3000 ppm** * * * LCO 3.5.5 RWST Applicable: MODES 1 - 4

Answer 15

**≤ 350 ˚F** * *≤ 332 psig** * Interlock to open MOV-060/MOV-061* * * * No auto close features for MOV-060/MOV-061.

Answer 16

* *17% [1/2]** * LT-465/467 _OR_ LT-466/467* ## Footnote * * * Backup heaters will turn back on if in auto once PZR LVL \> 17%. [2/2] * * * * Note:* * For LOOP / SI, B/U heaters control switch must be cycled to turn back on.*

Answer 17

* _HHSI:_* * *\< 1600 psig** * _Accumulators:_* * *590 - 670 psig** * _LHSI:_* * *\< 300 psig** * * * Receive water from RWST. * * * * Note:* * During DBA, Accumulators will inject 1^st.*

Answer 18

* _RMW Pump A:_* * *MCC E1C2** * _RMW Pump B:_* * *MCC E1B4** * _BAT Pump A:_* * *MCC E1C4** * _BAT Pump B:_* * *MCC E1A4** * _CCP A:_* * *E1C** * _CCP B:_* * *E1A** * * * C-B-C-A-C-A (2444)

Answer 19

**Gives more uniform reactivity rate** * * * * Used for the control banks _ONLY_. * S/D banks not overlapped b/c they will not be used while critical. * * * * Note:* * The bank selector switch must be in Auto or manual to maintain bank overlaps during rod movement.*

Answer 20

* _Auto Start:_* * *SI** * *High Screen D/P (5.5") w/ Screen Wash Pressure ≥ 63 psig** * Resets at 4.5" (Will run for 4 mins after reset)* * _Auto Stop:_* * *Sreen Wash Pressure \< 63 psig** * N/A for SI* * *∆Level \< Setpoint**

Answer 21

* _0% RTP (567 ˚F):_* * *25%** * _100% RTP (593 ˚F):_* * *57%** * * * At actual 100% RTP (592 ˚F) PZR Level will be 55.7%.

Answer 22

* _RHR Train "A":_* * *MOV-060A: PT-405** * *MOV-061A: PT-406** * _RHR Train "B":_* * *MOV-060B: PT-406** * *MOV-061B: PT-407** * _RHR Train "C":_* * *MOV-060C: PT-407** * *MOV-061C: PT-405** * * * Power Supplies: * PT-405: Train "A" * PT-406: Train "B" * PT-407: Train "C"

Answer 23

* *RHR HX** * *RCP Thermal Barrier** * *Letdown HX** * *Excess Letdown HX** * *RCDT HX** * *Primary Sample Coolers** * *SFP HX**

Answer 24

**Top of Containment Dome** **Above S/Gs (S/G C/D)** **Inside S/G Compartment (S/G C/D)** **Inside Primary Shield (S/G A/B)** * * * Controlled from CP002 * * * * Note:* * H₂ monitor "B" penetrations used by PASS*

Answer 25

* _Water Volume:_* * *8800 gal - 9100 gal** * _Boron Concentration:_* * *2700 ppm - 3000 ppm** * * * LCO 3.5.1 Accumulators Applicable: MODES 1 - 3

Answer 26

* _BAT:_* * *Charging Line** * Normal / Alt. Immediate: Flow limited by FCV-0110A (0-100 gpm)* * Emergency: BAT pump flowrate (125 gpm)* * *RCP Seal Injection** * 5 ^gal/_^min per pump* * *Gravity Feed** * CV-0333 / CV-0226* * _RWST:_* * *Charging Line** * MOV-112C / MOV-113B* * _BTRS:_* * *Demins** * * * The emergency boration path through the charging line, the gravity feed path, and the RWST path are all considered "Emergency Boration." * * * * Note:* * VCT Level - Low 2 (3%) will close MOV-112B/MOV-113A and prevent normal boration.*

Answer 27

* _Auto Start:_* * *VCT Level (28%)** * 200 gpm blend flow (RMWST/BAT)* * *Manual / Borate Initiated** * Manual: 200 gpm blend flow (RMWST/BAT)* * Borate: Flowrate (User Defined 0-100 gpm)* * _Auto Stop:_* * *VCT Level (48%)** * _Trip:_* * *Overload** * * * Can be controlled from ASP. * * * * Note:* * Unlike RMW pumps that trip on low level, the BAT pumps have no low level trip.*

Answer 28

* _HXs:_* * *Letdown HX** * *Excess Letdown HX** * *RCDT HX** * _Evaporators:_* * *Boron Recycle Evaporator** * *LWPS Evaporator** * _Sample Coolers:_* * *Boric Acid Sample Cooler** * *Primary Sample Coolers** * _Radiation Monitors:_* * *S/G Blowdown Rad Monitor** * *BRS Rad Monitor**

Answer 29

* _Cleanup:_* * *\< 6.0" H₂O** * _Makeup:_* * *\< 6.1" H₂O** * * * *Note: Located on CP022*

Answer 30

* *Makeup Supply Damper Opens** * *Makeup Fan Starts** * *Makeup Discharge Damper Modulates to maintain 1000 cfm** * FCV-9584/9585/9586* * *Cleanup Fan Starts** * *Supply Fan Starts** * *Return Fan Starts** * *Return Damper Opens** * FV-9675/9676/9677* * *Kitchen / Toilet exhaust fan Stops** * * * For an SI: * EAB AHUs Start * Battery Room Exhaust Fan Starts * MAB HVAC Emergency AHU Starts * * * * Note:* * Can be done manually on CP022*

Answer 31

* _Supply Fan Discharge:_* * *17400 cfm** * _Recirculation Flow:_* * *16400 cfm** * _Cleanup Flow:_* * *6000 cfm** * 1000 cfm (Fan) + 5000 cfm (Recirc Flow)* * _Makeup Flow:_* * *1000 cfm** * Maintained by discharge damper*

Answer 32

*_Auto Start:_* **VCT Level (28%)** *200 gpm blend flow (RMWST/BAT)* **Manual / Dilute / Alt Dilute Initiated** *Manual: 200 gpm blend flow (RMWST/BAT) Dilute / Alt Dilute: Flowrate (User Defined 0-300 gpm)* * _Trip:_* * *RMWST Level (5.6%)** * * * Makeup will secure at VCT Level (48%) but operator must secure RMW pump.

Answer 33

* *MODE 5** * *MODE 6 w/ Rx Vessel Head on** ## Footnote * * * LCO 3.5.3.2 ECCS Subsytems - T_avg ≤ 200 ˚F

Answer 34

* _Opens:_* * *Relief Supply Dampers (D-001/D-037)** * Relief Damper off closed seat → Main Supply Fans to Trip → D/P Damper (D-138) to Close* * *Exhaust Filter Inlet Dampers (D-033/D-034)** * *Exhaust Filter Outlet Dampers [Modulates] (D-146/D-147)** * _Shuts:_* * *Bypass Line Dampers (D-036/D-162)** * _Starts:_* * *ALL (3) Main Exhaust Fans** * *ALL (3) Exhaust Booster Fans**

Answer 35

**Essential Chillers** * _ESF DGs:_* * *Jacket Water HX** * *Turbo Charger Combustion Air Cooler** * *Lube Oil HX** * _CCW:_* * *CCW HX** * *CCW Pump Supplementary Cooler** * Cools area cooler and CCW pump motor*

Answer 36

**260 VAC** **59 Hz** * * * Prevents alternate power supply connection * * * * Note:* * Control switches to operate RDMGs are on local control panel only.*

Answer 37

**137 steps** * * * * Control Bank A at 137 steps, Control Bank B will begin to lift. * Process repeated for control bank C and control bank D.

Answer 38

* *RCP 1A ONLY** * *_OR_** * *RCP 1D ONLY** * *_OR_** * *RCPs 1B _AND_ 1C**

Answer 39

**≤ 350 ˚F** * * * * PCV-655A (Auct Low WR T_H / PT-403) * PCV-656A (Auct Low WR T_C / PT-404) * * * COMS controller completely independent of master pressure controller. * * * * Note:* * Manually armed on CP004*

Answer 40

**SI** * *RCS Pressure ≥ P-11** * PZR Pressure ≥ 1985 psig [2/3]*

Answer 41

* *≤ 10 Curies** * Excludes Tritium and entrained Noble Gases* ## Footnote * * * LCO N/A to WMT D/E/F b/c they have a berm. Used for temporary tanks.

Answer 42

* *Blowdown valves shut** * Once SI clears, must take valves to shut then back to auto on CP002* * * * CP002 switch in AUTO: * ECW Train 2A: Valve opens * ALL other ECW Trains: Cycles Open/Shut with ECW pump starting/securing Valve physically located on MAB 10' at ECW Sump. (No local switch) * * * *Note: By procedure, every blowdown valve with exception of train 2A is maintained in the CLOSE position on CP002*

Answer 43

* *+ 5% Level Deviation** * Controlling Channel Level (LT-465/467) \> 5% above Program Level* * * * Done to preheat PZR insurge. * * * * Note:* * *Charging flow at +5% Level Deviation: 50 gpm* * *Charging flow at -5% Level Deviation: 300 gpm*

Answer 44

* _Normal:_* * *Well Water** * _Alternate:_* * *Unit 2 ECW Sump via ECW 2A return line** * * * * Unit 1 Sump is normally aligned to Unit 1 CW Return. * Unit 2 Sump can be aligned to **Unit 1** CW Return. * * * * Note:* * ECW Sump located on MAB 10' in Essential Chiller Train C Room.*

Answer 45

*_Control Banks:_* * *_T_error 1.5 ˚F - 3 ˚F:_** * *6 ^steps/_min** * *_T_error 3 ˚F - 5 ˚F:_** * *Linear slope (6 - 72 ^steps/_min)** * *_T_error ≥ 5 ˚F:_** * *72 ^steps/_min** * *_Manual:_** * *68.5 ^steps/_min** * * * * _S/D Banks:_* * *68.5 ^steps/_min** * * * * + T_error results in outward rod movement * - T_errror results in inward rod movement * * * * Note:* * Once ± 1.5 T_error reached rods with continue to shim until ± 1 T_error reached.*

Answer 46

* *60 ˚F - 105 ˚F** * MAX DBA: 122.3 ˚F* * * * 60 ˚F Basis: * Prevents condensate in Lube Oil Coolers * Prevents thermal shock to RCP thermal barrier * * * * Note:* * During C/D CCW Temp may reach 120 ˚F for 4 hrs (RHR cooling req.)*

Answer 47

* _Usable Volume:_* * *33,500 ^gal/_tank** * 2 tanks* * _Boron Concentration:_* * *7000 - 7700 ppm** * * * MODES 1 - 6: * ≥ 27,000 gal (MODES 1 - 4) * ≥ 3,200 gal (MODES 5 - 6) * ≥ 7000 ppm * ≥ 65 ˚F CP004: * Level and temperature indication

Answer 48

**2185 psig** * * * * PCV-655A (PT-458) * PCV-656A (PT-457) * * * Tailpipe temperature for PORVs and Safeties on CP004. (PORV: TI-676 / Safeties: TI-677 - 679)

Answer 49

* _PCV-655A:_* * *Master Pressure Controller** * 87.5% (≈ 2335 psig)* * _PCV-656A:_* * *Backup PZR Pressure Channel** * 2335 psig* * * * * Note:* * *Only odd numbered channels can be selected as the “controlling channel” to input to the master pressure controller. (455/457)* * *Only even numbered channels can be selected for backup control, and they only input to PCV-656A (456/458)* * *Switch on CP004*

Answer 50

* _Open:_* * *Supply Fan Inlet Dampers (D-002/D-003/D-004)** * _Shut:_* * *Exhaust Filter Outlet Dampers (D-146/D-147)** * _Trip:_* * *Supply Fans** * *Exhaust Booster Fans** * _Starts:_* * *All (3) Exhaust Fans** * Locks in start signal to re-start fans when power returns* * * * Supply fans will not start on exhaust fan start b/c power will strip and not return. **_Operator must open a relief damper (D-001/D-037)_**

Answer 51

* _Control Banks_* * *A: 8 (4/4)** * *B: 8 (4/4)** * *C: 8 (4/4)** * *D: 5 (2/3)** * _S/D Banks:_* * *A: 7 (4/3)** * Unit 2: 8 (4/4)* * *B: 8 (4/4)** * *C: 4** * *D: 4** * *E: 4** * * * Rod D-6 in SD Bank A Group 2 was removed for Unit 1

Answer 52

* _Mode 5:_* * *_ALL_ HHSI pumps inoperable** * *SI not blocked** * _Before Entering MODE 4:_* * *Open ALL HHSI CL injection valves** * *2 trains of LHSI OPERABLE** * _Within 4 hrs of going \> 200 ˚F and before exceeding 225 ˚F:_* * *1 HHSI OPERABLE and 1 HHSI in Standby** * _Before Entering MODE 3 (350 ˚F):_* * *_ALL_ LHSI OPERABLE** * _Within 4 hrs of going \> 350 ˚F and before exceeding 375 ˚F:_* * *_ALL_ HHSI OPERABLE** * _900 psig - 1000 psig:_* * *_ALL_ Acummulators OPERABLE**

Answer 53

**HHSI Mini-Flow Valves (MOV-011/MOV-012)** **LHSI Mini-Flow Valves (MOV-013/MOV-014)** **RWST Outlet Valves (MOV-001)** * * * To manually open Emergency Sump Outlet Valve: * RWST Outlet Valve closed (Manual Only) * HHSI Mini-Flow Valve closed [1/2] * LHSI Mini-Flow Valve closed [1/2]

Answer 54

*_FK-0110 Setpoint_* **^{20 x Boron Concentration of RCS}/_{Boric Concentration of BAT}** * * * Controller set up for 0-10 setting. Correlates to 0-100 gpm. (5 setting is 50 gpm)

Answer 55

* *Pulser Failure** * *Slave Cycle Input Failure** * Slave receive "Go" signal before last step done* * *Loose circuit card** * * * * Stops Auto/Manual rod motion * Individual Bank rod motion will still work * Sends reduced current signal to affected group movable/stationary grippers * * * * Note:* * Non-Urgent is a loss of 1 of the 6 power supplies and will not affect system operation.*

Answer 56

**Loss of SDM** **Reactivity excursion that normal means cannot handle** **CRDM below insertion limits** **\> 1 Control Rod not inserting on Rx Trip** **Loss of DRPI after Rx Trip** **ATWAS** **QDPS S/D Monitor Alarm**

Answer 57

* *Makeup Supply Damper Opens** * *Supply Fan Starts** * *Return Fan Starts** * *Cleanup Fan Starts** * *Return Damper Opens** * FV-9677* ## Footnote * * * Kitchen/Toilet Exhaust fan stays running because dampers powered by A/B. * * * * Note:* * LOOP on A/B looks the same except Kitchen/Toilet fan secures b/c fan inlet dampers shut.*

Answer 58

* _Auto Start:_* * *SI** * *Traveling Screens Start** ## Footnote * * * Must be manually secured. MCC switch in LOCAL eliminates _ALL_ Auto Functions. * * * * Note:* * Starting screen wash booster pump will auto open screen wash valve unless MCR switch in close.*

Answer 59

* _Supply:_* * *Downstream of Regen HX (IRC)** * RHR Train "A" _AND_ Train "B"* * _Return:_* * *Upstream of VCT** * RHR Train "A" ONLY* * * * Low Pressure Letdown: * All letdown orifices open * RHR pump not required to be running * PCV-135 able to maintain ≈ 380 psig

Answer 60

**BAT Tank Level - Low (29,584 gal) [1/1 on 1/2]** ## Footnote * * * Level Recorder located on CP018. Control switches for FV-8400A/B located on CP004. * * * * Note:* * This is the only BAT tank level actuation. The BAT pumps will _NOT_ trip on a low level actuation.*

Answer 61

**PT-458** ## Footnote * * * P-11: PZR Pressure ≥ 1985 psig [2/3]

Answer 62

**DBW = ^{10 pcm}/_ppm** **^{10 gals of boron}/_ppm**

Answer 63

* _70 - 200 ˚F:_* * *475 psig** * _220 - 380 ˚F:_* * *660 psig** * * * Uses Auct Low WR T_C / PT-404 * * * * Note:* * Normal PORV setpoint is 2335 psig. (B/U pressure channel)*

Answer 64

**700 psig** * * * Relieves to Containment Atmosphere * * * * HHSI Discharge Relief (1750 psig) → PRT * LHSI Discharge Relief (600 psig) → PRT

Systems Test 3 Flashcards

(88 cards)