ML19114A196

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Revision 27 to Updated Final Safety Analysis Report, Appendix J, Figures
ML19114A196
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 04/08/2019
From:
Exelon Generation Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML19114A265 List: ... further results
References
Download: ML19114A196 (10)
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Text

0.020 , . . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

ROD DROP ACCIDENT MAXIMUM CONTROL ROD WORTH WITH SINGLE OPERATOR ERROR FOR VARIOUS OPERATING STATES AT BEGINNING OF LIFE WITH ROD SEQUENCE CONTROL SYSTEM 0.015 ROD SELECTION ERROR

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ROD WITHDRAWAL ERROR 0.005 o

~ ~ ~ I! ~ ~ 1eci 0 20 40 60 80 100 o 0 0 0 ci AVERAGE MODERATOR DENSITY 19m/eel CORE AVERAGE POWER (%1 PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT ROD DROP ACCIDENT MAXIMUM CONTROL ROD WORTH WITH SINGLE OPERATOR ERROR AT BOL WITH RSCS FIGURE J.4.1

0.020 , . . . . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - _ , ,

ROD DROP ACCIDENT MAXIMUM CONTROL ROD WORTH WITH SINGLE OPERATOR ERROR FOR VARIOUS OPERATING STATES AT THE MOST REACTIVE POINT IN CORE LIFE 16600 MWd/TI WITH ROD SEQUENCE CONTROL SYSTEM 0.015 J:

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- ROD SELECTION ERROR 8

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ROO WITHDRAWAL ERROR 0.005 50% ROD DENSITY o~ ....._ ....._ .... ..........................._ ....._...._....._ ......................_ ..........._ ....._ ...

20 40 60 80 100 AVERAGE MODERATOR DENSITY Igm/eel CORE AVERAGE POWER (%)

PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT ROD DROP ACCIDENT MAXIMUM CONTROL ROD WORTH WITH SINGLE OPERATOR ERROR AT MOST REACTIVE POINT IN CORE LIFE (6500 MWd/T) WITH RSCS FIGURE J.4.2

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TY'tII' J\A.L-OU'l' 0"

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RIC COMPANY PHILADELPHIA ELEC~ POWER STATION OTTOM ATOMI PEACH B UNITS 2 AND 3 S REPORT UPDATED FINAL SAFETY ANALYSI I

~I CK DIAGRAM OF SCHEMATIC BLO EXPOSURE F~~5~~

RE RSCS MWd/T

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FIGURE J.4.3a

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POSITION LIGHT PROBE 185 ROO POSITIONS - ISOLATOR ~ TYP OF

& ALARM STATUS 185 RPI CAB f

CORE DISPLAY EE 4 ROO DISPLAY BYPASS SWITCH LIGHTS 185/4 APPROXIMATELY I

185 WIRES -

SELECT RELAY 1--_-41 t I~ --~ Al MODULES I I TO

.-_-11 1~ A2

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MANUAL ~CRD I I CONTROL

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SYS 1 1 B2 PHILADELPHIA ELECTRIC COMPANY

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~t_------..-.--4------ .. PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT ROO SELECT PANEL RSCS BLOCK DIAGRAM FOR CORE EXPOSURE <6500 MWd/T FIGURE J.4.3b

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TRIC COMPANY PHILADELPHIA ELEC C POWER STATION I

I OTTOMATOMI I I I

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I PEACH B UNITS 2 AND 3 S REPORT I I UPDATED FINAL SAFETY ANALYSI

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~I AI """A~~l.D K DIAGRAM OF SCHEMATIC BLOORC EXPOSURE s

C FOR C E RS >6500 MWd/T FIGURE J.4.4a

)

POSITION 185 ROD POSITIONS LIGHT PROBE

& ALARM STATUS ISOLATOR -- TYP OF 185 RPI CAB BYPASS SWITCH CORE DISPLAY 4 ROD .Ir ,.

DISPLAY 4 Power Permissive Signal LOGIC-RSC LIGHTS 185/4 APPROXIMATELY - ...._..,..._...:-~--Power Alarm Signal SEQUENCE

,. WITHDRAWALI INSERTION SELECT 185 WIRES SELECT RELAY ~_~I t I~ Al .....

MODULES I I TO A2 MANUAL ~CRD

~_~I I~ ---- --t I I CONTROL

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SYS I I t---~I I~ B2

--:;.~ PHILADELPHIA ELECTRIC COMPANY I r PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT I

ROD SELECT PANEL RSCS BLOCK DIAGRAM FOR CORE EXPOSURE >6500 MWd/T FIGURE J.4.4b

) CQ'ITIDL roo SroCK L~ coas READY FOR DROP

,...--..------------------0....-------------.

CONTR:>L ROD IS SnJCK U NEAR FULL OR FULL CQ\1TROL ROD SEPARATED Flu.1 OO'ITR:>L G),ITROL ROD DRIVE t.lJVE

  • 1 I.~ POSITIQ~

ABNORMALLY R:>D DRIVE 1...--~--.ilI~I~----1 c::IFUE~*~L~a~iA.~'1~N~EL- RJEL afAN:-JEL A LOOSE OB- II'lI:cn~N-=:ITR:>~L-~R:>]D,...

.----....0"'""""'----1 INtAR Q)~TROL NEAR COATIllL JECT Ei~TERS BEC(}.fES r ROD \'b\RPS ROD SHIFTS QIA.'OO:L A.~D DISfORTED U..WETECfED

~ ~ LOCATIU~ BLOCKS IT FAILURE 10 IMECHAi~ICAL OPEAAl'OR OPERATOR QJUPLE illN1IDL FAILURE L-J IGNORES A.fY CamlL"fED IROD m mTVE lHE DRIVE SYMPTCM OF WITI1DRAWAL Q..r------I UN<XXJPLING 1 TESf FAILSt-1 I--;:;;;::::~::I;:_ _o CONTROL ROD NEVER muPLED LL'1E l.w..fU,~CfIQ\j COLLETT FL-JGERS CN+1ED IN DRIFT ALAA\1 :>1af OPERATTVE I

WITH CONTROL EXTRACfIo.~ IEXTRACTION OF (lIT J.1()S [}N I~---~ l RODOOVE OF M CUT bUT OF SEQUENCE POSITIo.~ L~DI -'IOPERATOR FAILS' OPERA11JR CATJR ERRD.i- 1m TEST FOR IG.'iORES ~

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MOCHA.ileAL 1

MEOiANICAL OF S~UE:~CE Co.'1TIDL ROD

~ONTROL ROD DRIVE loURING STAR1'UP 0---------.,

~~RA~L ~:::.~ FI:'JGERS1 ":S- KE~-WE:. . .ID-L.- _-:"- - - -'-~ -~-Ip-J~-~'iF~J; I ~~Q~.~;F DRIVE AT 1

FAILURE OF TIfE CO~TROL POWER WI1HDRAWAL (X)LLETT Ron SIGNAL PISfOI'J S /SPUD Q

EOU,Q,-

PRESENT STUCK

{EED PROPER SIG'JAL IDl) STUCK IN DECDUPLE POSITIO.J BINT LOCKI~G PLUG

~=--_--Io 1 r------~

J ALL SIX SPUD THREJ\IYS O:J Ill~DEX 'lUBE COUPLING -rnm'l{OL ROD ATTAaIM5~T

~1"rrOlES .Jar RECEIVED FINGERS CCUPLLJG BREAKS SOCKET VELOCITY OPERA1OR ron WOImI J IJ W&MG BY REED BREAK SPUD DISE'J- BREAKS LIMITER WELDS FAIL SELECfS A'J MWIMIZER LOCATIO.~ SWITaIES GAGED CASTL'JG FAIU:; CUT OF SEQ. PERMITS EX-

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I CD.HroL roD TRALIIm OF SELECfED CO,'J'TRi:1L roo ron CONHOL SEQUEN-CER SYSTEM PERMITS EXTRACTI 1::1>1 OF REED ~"WITaI REED SWITOi REED 5WIT(}f I SELECfED CONfROL RlR POSITIOiJ FOR RED LIGHf FOR OVER- I ROD I

LOCKL~G mUPLLJG I

SPUD L~DICATIo.~ OF LOCATIO-J 48 FAILS CWSED uN WCATIm 48 FAILS CLOSED TRAVEL FAILS OPE>1 BA,\lD BREAKS SPUD U'JSCREWS I TIiREAffi STRIPPED o Means all inputs must be present for the result to take place.

Means only one of the inputs nust be present for the resurt. to take place.

PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT FAULT TREE MODEL OF A CONTROL ROD STUCK IN CORE READY FOR A DROP FIGURE J.4.5

)

ROD STUCK VE.S ROD DROPS Y£S COL.O ST~RTUP \(~~

(8 )( IO-I!5) ~ ( I. 0 )~. l 10*9 .1'10- 5

) \NO HOT STARTUP "e.§ @

l ~O 18 (8" 10- ) ( 7 " 3 lO*. Vl:~ ~

( .114 >\NO PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT REACTOR STATES USED IN THE ANALYSIS OF THE CONTROL ROD DROP ACCIDENT FIGURE J.4.6

- IlOD IlOllI'II ftUlCIft til MIl DIOP IICUIl TDIl (lie)

PlAIt

)U~ call. .

1lO. It, PUlL 'IllS 15'"'

PAILIII ,I0Il 0' 0CC1IUDCI*

(1.42111110. 31)

(1.UllxlO* 36)

)415 call.. 1200 (7 ..lIalO:~~)

(7.111110 )

>425 call... 1150 n , 5I1alO:~~)

(1.5111110 )

)425 call... 1460 (4.93xll(~~)

(4.931110 )

375 call1lll 1075 (3.241l10:~:)

(3.24.10 )

425 c.l/"" 1435 350 call... 1035

..25 c.l/llll 11115 (.395xlO:~:)

(.3951110 )

350 c.l/... 730 (2.5.. tO::~)

(2.5"10 )

400 call... 800 265 c.l/... 440 (1I."10:~:)

(11."10 )

750 (2.5RIl1O::~)

~1ih~

310 call...

(2.511xlO )

270 call. . 410 (1.71l10:~~)

(1.71110 )

(.655) (.915) 225 call.. 375 160 call..

ItO c.lI... 100 135 e.l/... (0)

(.726)

(0) 115 call,,", (2.4xlO:~~)

(7.4xl0 )

-::r~:::":~.::~:: ~'=-=~:~~~l"\;~':~*l.laer 1Ia1, aM r...wr ......r R.fera to 'ro.....Ult' witll PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT PROBABILITY ANALYSIS OF CONTROL ROD DROP ACCIDENT FIGURE J.4.7

PHILADELPHIA ELECTRIC COMPANY PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 UPDATED FINAL SAFETY ANALYSIS REPORT OFF-SITE EFFECT OF ROD DROP ACCIDENT FIGURE J.4.8

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