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91 Cards in this Set
- Front
- Back
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WHAT IS THE PRESSURE LIMITATION FOR OPENNING THE 202-4A/B VALVE? (RECIRC SUCTION VALVE) |
< 50 PSID |
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WHAT IS THE PRESSURE LIMITATION FOR OPENING THE 202-5A/B VALVE? (RECIRC DISCHARGE VALVE) |
<200 PSID |
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HOW FAR OPEN MUST A RECIRC SUCTION VALVE BE BEFORE THE PUMP TRIPS? |
90% |
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WHAT IS RECIRC PUMP MINIMUM SPEED? |
32% BY PROCEDURE
CAPABLE OF AS LOW AS 20% |
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WHAT IS THE RECIRC-FEEDWATER FLOW INTERLOCK? |
20% FW FLOW IS REQUIRED TO RAISE RECIRCS ABOVE MIN SPEED
IF FW FLOW DROPS BELOW 20% FOR 15 SECS, RECIRCS RUN BACK TO MINIMUM |
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WHAT RECIRC SEAL PRESSURES WOULD YOU EXPECT AT 900 PSIG RX PRESSURE? |
SEAL 1 - 900 PSIG
SEAL 2 - 450 PSIG |
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WHERE DOES RECIRC PUMP SEAL LEAKOFF GO? |
DWEDS |
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WHAT IS THE D/P REQUIREMENT FOR STARTING A RECIRC PUMP? |
RECIRC PUMP D/P MUST BE <4 PSID TO START A RECIRC PUMP
AFTER PUMP START, D/P MUST INCREASE TO > 4 PSID (30 SECS) |
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WHAT IS THE SETPOINT FOR THE RELIEF VALVE ON RECIRC SEAL INJECTION? |
1300 PSIG |
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IF THE OUTBOARD RECIRC SEAL READS LOW, WHAT ARE THE POSSIBLE CAUSES? |
FAILURE OF THE OUTBOARD SEAL
PLUGGED INBOARD RESTRICTING ORIFICE |
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WHAT ARE THE RBCCW LIMITS TO PROTECT THE RECIRC PUMPS? |
IF EITHER SEAL TEMP REACHES 200F, TRIP PUMP
IF COOLING WATER TEMP (OUTLET) REACHES 170F, TRIP PUMP
RBCCW FLOW LOST: TRIP THE AFFECTED PUMP(S) WITHIN 1 MINUTE |
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WHAT IS THE MAXIMUM WINDING TEMPERATURE OF THE RECIRC PUMP MOTORS? |
248 F |
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WHAT IS THE PREFERRED METHOD FOR TRIPPING A RECIRC PUMP? |
CLOSE THE 202-5A/B
PUMP WILL TRIP AT 90% OPEN
RE-OPEN VALVE AFTER 5 MINUTES |
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WHEN IS THE RECIRC PUMP DISCHARGE VALVE OPENED? |
1) 5 MINUTES AFTER PUMP TRIP
2) WITHIN 2 MINUTES AFTER PUMP START |
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WHAT WOULD BE SEEN IF THE RECIRC PUMP WERE OPERATING UNDER RUNOUT? |
HIGH PUMP CURRENT
HIGH WINDING TEMPERATURE |
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WHAT IS THE POWER SUPPLY FOR THE ASD COOLING WATER PUMPS? |
MCC 15-1 / MCC 17-2
NORMALLY A/B PUMP, RESPECTIVELY |
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WHAT COOLS ASD COOLING WATER? |
SERVICE WATER |
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AT WHAT PRESSURE WILL THE ASD COOLING SYSTEM RELIEF VALVE LIFT? |
125 PSIG |
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WHAT POWERS THE ASD UPS? |
15-1 (A)
17-2 (B)
EITHER UPS CAN SUPPLY EITHER/BOTH ASD'S |
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WHICH RECIRC RUNBACK SIGNALS WILL TRANSFER RRCS FROM MASTER TO MANUAL CONTROL? |
ALL OF THEM |
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WHAT IS THE EFFECT OF A RECIRC DEMAND VS ACTUAL SPEED MISMATCH? |
IF ACTUAL SPEED AND DEMANDED SPEED DEVIATE BY 15% FOR 35 SECONDS, A SPEED HOLD IS PLACED |
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WHAT TWO THINGS INITIATE THE 70% RUNBACK? |
1) <3 PUMPS RUNNING, TRIP SIGNAL EXISTS, STEAM FLOW>85%, AND RX LVL <26" WITHIN 45 SECS
2) < 4 CONDENSATE PUMPS RUNNING, > 85% STEAM FLOW, >90% FW FLOW |
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WHAT IS THE REQUIREMENT FOR RECIRC LOOP DELTA-T? |
MUST BE WITHIN 50F WHEN OPERATING OR STARTING A PUMP |
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WHAT ARE THE RECIRC PUMP TEMPERATURE ALARMS? |
120F COOLING WATER TEMP (RBCCW OUTLET FROM SEALS / OIL COOLERS)
200 F THRUST BEARING OR UPPER/LOWER BEARING TEMP
248F MOTOR WINDING |
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WHAT IS THE RECIRC PUMP MOTOR AMP LIMIT? |
770A |
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WHAT IS THE LOW ALARM SETPOINT FOR ASD COOLING FLOW? |
90 GPM
(NORMAL 130-180) |
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WHAT GENERATES THE RECIRC LOOP HI TEMP ALARM? |
> 555F |
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HOW DOES A LOCA SIGNAL IMPACT THE RECIRC PUMPS? |
-59" OR 2.5# INITIATES LPCI LOOP SELECT.
LPCI WILL CLOSE THE DISCHARGE VALVE OF THE INTACT LOOP, WHICH TRIPS THE PUMP (ASD INPUT BREAKER)
BOTH PUMPS TRIP AT -59" FOR NPSH CONCERNS |
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WHAT ARE THE TEMPERATURE REQUIREMENTS FOR STARTING A RECIRC PUMP? |
<50F LOOP DIFFERENTIAL TEMP
<145F BETWEEN STEAM DOME AND BOTTOM HEAD DRAIN LINE |
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WHERE DOES SDC TAKE SUCTION AND INJECT? |
SUCTION - B RECIRC LOOP
INJECT - EITHER A OR B LOOP |
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WHERE DOES RWCU TAKE SUCTION FROM? |
B RECIRC LOOP |
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WHAT IS THE MAKEUP SOURCE FOR ASD COOLING WATER? |
CLEAN DEMIN |
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WHAT IS FED BY MCC 15-1 / 17-2 FOR ASD'S? |
COOLING WATER PUMPS PRECHARGE CIRCUIT CABINET COOLERS CONTROL POWER UPS |
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ON AN ESS FAILURE, WHAT IS LOST IN THE RECIRC SYSTEM? |
1 SUPPLY TO THE RRCS CONTROL SYSTEM LOSS OF RUNBACK PUSHBUTTON LOSS OF RUNBACK RESET PUSHBUTTON LOSS OF 70% RUNBACKS |
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WHAT SUPPLIES POWER FOR THE RECIRC MOV'S? |
18/19-5 |
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WHAT IS AFFECTED IN RECIRC BY A LOSS OF 125 VDC? |
INPUT BREAKER CONTROL POWER
AOV'S FOR SAMPLING
MOTOR MANAGEMENT RELAYS
OVERFREQUENCY RELAYS |
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HOW DOES A LOSS OF INSTRUMENT BUS AFFECT THE RECIRC SYSTEM? |
1 POWER SUPPLY TO RRCS
LOSS OF SPEED HOLD AT -4 PANEL
LOSS OF SPEED HOLD RESETS AT -4 PANEL |
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WHEN DOES THE RECIRC SEAL LOW FLOW ALARM ACTUATE? |
20 GPM |
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WHAT IS THE PRESSURE SETPOINT FOR THE LOSS OF ASD COOLING ALARM ACTUATE? |
30 GPM |
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WHAT ARE THE RESULTS OF RISING SCRAM DISCHARGE VOLUME LEVEL? |
10 GAL - ALARM
25 GAL - ROD BLOCK
40 GAL - SCRAM |
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WHAT ARE THE IMMEDIATE ACTIONS WHEN A CONTROL ROD IS DISCOVERED STUCK? |
VERIFY SEPARATION CRITERIA |
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HOW MANY CONTROL RODS ARE ALLOWED TO BE SLOW? |
12 |
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HOW MANY CONTROL RODS ARE ALLOWED TO BE OUT OF SERVICE (INOP)? |
8 |
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WHEN IS THE LCO FOR ROD OPERABILITY APPLICABLE? |
MODES 1 AND 2 |
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WHEN IS THE LCO FOR ROD PATTERN CONTROL APPLICABLE? |
MODES 1 + 2, WITH CTP < 10% |
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HOW MANY SLOW CONTROL RODS MAY BE ADJACENT? |
NO MORE THEN 2OPERABLE CONTROL RODS THAT ARE SLOW SHALL OCCUPY ADJACENT LOCATIONS |
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WHEN IS THE LCO FOR CONTROL ROD ACCUMULATORS APPLICABLE? |
MODES 1 + 2 |
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WHAT IS THE SURVEILLANCE REQUIREMENT FOR CONTROL ROD ACCUMULATOR OPERABILITY?
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>940 PSIG |
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MULTIPLE CONTROL RODS ARE LOSING ACCUMULATOR PRESSURE. REACTOR PRESSURE IS 900 PSIG. WHAT IS REQUIRED? |
1) RESTORE/VERIFY CHARGING WATER HEADER IS >940 PSIG (20 MINUTES)
2) DECLARE THE ROD(S) SLOW OR INOP (1 HOUR)
IF ACTION NOT MET OR CANNOT BE MET - MODE SWITCH TO SHUTDOWN IMMEDIATELY
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MULTIPLE CONTROL RODS ARE LOSING ACCUMULATOR PRESSURE. REACTOR PRESSURE IS UNDER 900 PSIG. WHAT IS REQUIRED? |
1) RESTORE/VERIFY CHARGING WATER HEADER IS >940 PSIG (IMMEDIATELY)
2) DECLARE THE ROD(S) INOP (1 HOUR)
IF ACTION NOT MET OR CANNOT BE MET - MODE SWITCH TO SHUTDOWN IMMEDIATELY |
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WITH THE UNIT <10% POWER, IT IS DISCOVERED THAT THE CURRENT ROD PATTERN VIOLATES THE ANALYZED STARTUP SEQUENCE. NINE CONTROL RODS WERE WITHDRAWN TOO EARLY. WHAT ACTION IS REQUIRED? |
IF NINE OR MORE OPERABLE CONTROL RODS ARE NOT COMPLYING WITH THE ANALYZEDRO SEQUENCE:
1) STOP ROD WITHDRAWALS (IMMEDIATE)
2) MODE SWITCH TO SHUTDOWN (1 HOUR) |
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WHAT DOES THE BLUE LIGHT ON THE -53 PANEL MEAN FOR HWC? |
ALL TRIP CONDITIONS HAVE CLEARED
20 MINUTE RESTART TIMER HAS TIMED OUT
O2 AND AIR FLOW ARE ZERO |
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WHAT DOES THE AMBER LIGHT ON THE -53 PANEL MEAN FOR HWC? |
HWC SYSTEM IS SHUTDOWN DOE TO TRIP (AUTO OR MANUAL) |
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WHAT IS THE ALARM SETPOINT FOR HIGH OFFGAS H2 CONCENTRATION? |
2%
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WHAT IS THE NORMAL SETPOINT FOR THE AUTOCLAVE TEMPERATURE CONTROLLER? |
135F |
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WHAT IS THE ALARM SETPOINT FOR HIGH H2 FLOW RATE? |
20 SCFM
ALARM ONLY |
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WHAT IS THE ALARM SETPOINT FOR HIGH AREA H2 CONCENTRATION? |
10% OF LEL = ALARM
20% OF LEL (HWC TRIP) (ALSO CLOSES HSIV) |
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WHAT ARE THE TRIPS FOR HYDROGEN WATER ADDITION? |
MANUAL TRIP (HMI, -83 PANEL, PUSHBUTTON) REACTOR SCRAM AREA CONCENTRATION >20% LEL LOW H2 FLOW (<1.25 SCFM FOR 45 SECS) MAIN STEAM FLOW <5% AFTER BEING: >25%, OR >20% FOR ONE HOUR EFCV -4 CLOSURE (@ TANK FARM) |
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WHAT IS THE ALARM SETPOINT FOR LOW O2 OFFGAS CONCENTRATION? |
<5% EXCESS O2 AT THE H2/O2 ANALYZER
ALARM ONLY |
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HOW IS O2 CONTROLLED AFTER A HYDROGEN ADDITION TRIP? |
HOLDS O2 FLOW CONSTANT FOR 15 MINUTES
RAMPS TO ZERO FLOW FOR ADDITIONAL 5 MINUTES |
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WHAT ARE THE SETPOINTS FOR THE EXCESS FLOW CHECK VALVES? |
HYDROGEN -4 @ TANK FARM -9 @ T-1
OXYGEN -33 @ @ TANK FARM
ALL 180-220 SCFM |
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WHAT IS THE PURPOSE FOR THE HYDROGEN INJECTION SOLENOID ISOLATION VALVES? |
PREVENTS H2 FROM BEING DRAWN BACK INTO THE CONDENSER THROUGH OFFLINE CONDENSATE PUMP ANTI-SYPHON LINE |
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IF STEAM FLOW DROPS <5% BEFORE OPERATING AT HIGH POWER DURING STARTUP, HOW DOES HYDROGEN INJECTION RESPOND? |
FCV'S CLOSE AND HISIV'S CLOSE
CONDITION RESETS ABOVE 20% STEAM FLOW AND INJECTS IF IN AUTO/START |
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WHAT OCCURS ON A HWC TRIP? |
FCV'S CLOSE HISIV'S CLOSE 20 MINUTE RESTART TIMER INITIATES 02 FLOWS FOR 15 MINUTES, THEN RAMPS FOR 5 AMBER TRIP LIGHT ILLUMINATES |
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HOW IS HWC TRIPPED FROM THE -84 PANEL? |
TAKE CONTROL SWITCH FOR HSIV TO CLOSED
HWC TRIPS ON LOW FLOW |
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WHAT ARE THE SETPOINTS FOR THE H2 PUMPS TO SUPPLY THE 6-PACK? |
START @ 700 PSIG
STOP AT 2100 PSIG |
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WHAT DOES THE SYS ENABLE PUSHBUTTON ON THE -53 PANEL DO FOR HWC? |
ENABLES HWC CLEARS BOTH BLUE AND AMBER LIGHTS
BLUE LIGHT MUST BE LIT FOR RESET |
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WHAT IS THE INTERLOCK FOR OPENING AN HISIV? |
THE ASSOCIATED CONDENSATE PUMP MOTOR MUST BE RUNNING |
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WHAT IS THE MAXIMUM H2 ADDITION FLOW RATE? |
20 SCFM |
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HOW DOES H2 FLOW RATE VARY WITH POWER? |
0-5% STEAM FLOW = NO FLOW 5-25% = 2 SCFM
ONCE OVER 25% FOR 1 HOUR, OR 40% RAMPS TO FULL SETPOINT AS POWER RISES (10-11 SCFM) |
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HOW DOES O2 FLOW RATE VARY WITH POWER? |
BASED ON FEEDBACK FROM H2/O2 ANALYZERS
IF <2% H2, SUPPLIES ENOUGH O2 TO SCAVENGE H2
IF H2>2%, INJECTS 9 SCFM O2 TO LOWER H2 LEVEL |
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HOW LONG IS THE COOLDOWN CYCLE BEFORE AN H2 PUMP STARTS TO SUPPLY THE 6 PACK? |
20 MINUTES |
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WHERE IS HYDROGEN INJECTED INTO THE SYSTEM? |
DISCHARGE OF THE CONDENSATE PUMPS |
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WHERE IS OXYGEN INJECTED INTO THE SYSTEM? |
UPSTREAM OF THE SJAE
ALTERNATE FOR U2: AFTER SJAE, BEFORE PREHEATERS |
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WHEN IS THE TECH SPEC FOR MAIN CONDENSER OFFGAS APPLICABLE? |
MODE 1
MODES 2 AND 3 WHEN SJAE IN OPERATION |
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WHERE IS THE O2 FLOW CONTROL VALVE? |
SJAE FLOOR |
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WHERE ARE THE H2 FCV'S? |
CONDENSATE PIT |
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WHEN IS THE TRM REQUIREMENT FOR EXPLOSIVE GAS <4% APPLICABLE? |
DURING OFFGAS HOLDUP OPERATION |
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WHEN IS THE TRM REQUIREMENT FOR EXPOSIVE GAS MONITORING APPLICABLE? |
DURING OFFGAS HOLDUP OPERATION |
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WHAT IS THE LCO FOR MAIN CONDENSER OFFGAS? |
GAMMA ACTIVITY < 251,100 PRIOR TO HOLDUP LINE AFTER 30 MINUTE HOLD |
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WHAT IS THE NORMAL LEVEL BAND FOR THE H2 TANK? |
2.5" - 5.2" |
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WHAT IS THE NORMAL HYDROGEN SUPPLY PRESSURE? |
180 PSIG (IN CONDENSATE PIT) |
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WHAT IS THE PURPOSE OF NITROGEN IN THE H2 SYSTEM? |
PURGE LOCAL CONTROL PANEL PNEUMATIC CONTROL OF VALVES AT TANK FARM FIRE SUPPRESSION LINE PURGING FOR MAINTENANCE |
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WHAT POWERS THE HWC PLC AND CONTROLS? |
COMPUTER UPS |
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WHAT POWERS COMPONENTS AT THE TANK FARM? |
13.8 FROM A CANAL SPRAY HOUSE MCC 42 |
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WHICH AOV'S IN HWC FAIL CLOSED ON LOSS OF INSTRUMENT AIR (OR NITROGEN)? |
ALL OF THEM |
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WHAT IS THE DESIGN BASIS FOR HPCI? |
INSURE ADEQUATE CORE COOLING FOR BREAK SIZES LESS THAN THOSE FOR WHICH LPCI OR CORE SPRAY IS NEEDED
NO OFFSITE POWER
NO HOTWELL INVENTORY |
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WHAT IS THE DESIGN BASIS FOR ADS? |
BACKUP TO HPCI TO DEPRESSURIZE THE SYSTEM FOR SMALL BREAKS |
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WHAT IS THE DESIGN BASIS FOR LPCI? |
ONE MODE OF RHR
RESTOR AND MAINTAIN COOLANT INVENTORY AFTER A LOCA TO PREVENT EXCEEDING PEAK CLAD TEMPERATURE LIMITS. 9000 GPM AT 20 PSIG WITH A MIN FLOW VALVE OPEN |
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WHAT IS THE DESIGN BASIS FOR CORE SPRAY? |
PREVENT FUEL CLAD MELTING AS A RESULT OF LOCA ABOVE THE CAPABILITIES OF HPCI. DOUBLE ENDED SHEAR. 4500 GPM PER PUMP AT 90 PSIG |
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WHAT IS THE PURPOSE OF ECCS KEEP FILL? |
TO KEEP LPCI AND CORE SPRAY DISCHARGE LINES FULL OF WATER TO MINIMIZE WATER HAMMER. |
