ML21305A672

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6 to Updated Final Safety Analysis Report, Figure 7.2-1, Sheet 26 of 36, Drawing 495883-1, I & C Functional Logic Diagram Feedwater Control & Isolation
ML21305A672
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/11/2021
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21306A142 List: ... further results
References
DCL-21-074
Download: ML21305A672 (1)


Text

{{#Wiki_filter:I £:98c;5r I 2 I 3 I I 5 =3 : 0 I 6 I 7 I 8 I 9 I 10 STEAi! FLOV/ 1SHEET 1g1 il'IOTC: 91 STM GEIi 2 S-11 GEN 3 STM GEhl 4 AVERAGE LOOP FEEDWATEP NOTES SlcAH PRcSSURc HcAUcR PRcSSURc I I iSHEET 19, iSHEET 19, I I I I I I I I . ANALOG GATE COhSISTS OF 2 SOLENOID VENT VALVES IN SERIES TO I I I I PEDUNDAflTLY lflTEP_OCK T-E AIR LINE OETWEEN EACH VALVE DIAPHPAM I I I I AND ITS ASSOCIATED P SITIO~ER. THE SOLENOID VALVES ARE DE-ENERGIZED I I E t l TO VENT, CALSlhG THE l~AIN FEE WATER VALVE TO CLOSE IN 7 SECONDS.

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2. ALL CIRCUITS IN T~IS SHEET ARE NOT REDUNDAN- EXCEPT WERE

( INDICATED REDUNOUliT.

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PC:DU\DAl!T --------------~ ~ ~-------------_J 3. DE_ETC:D I I y I I I 4. THC: REDUl*IDAI.T HAl*IUAL RESET COl*ISISTS OF TWO HOl'El*ITARr I I I COhTR LS ON THE CONTROL COARD, ONE OF EACH TRA:N. I I I I I I 5. OPC:IJ/SHUT lh ICATION FOR EACH FEEDWATER CON-ROL VALVE IN CONTROL ROOl1. P- I 4 I -/--....._,_ I P-4 } STH GEl'I SAFETY PEA.C-OP LOW '----------~( 2c )-,<----------_J 6. HI-HI LEVEL 11,1,JECT I 01*1 TRIP TAVG y 7. FEC:DWATEP PIYIIPS ARE TPIFPEJ B'r TRAll*-1 'B" OhlLY. I iSHEC:T 71 iSHEET Bi iSHEET 21 iSf-EET 5i FCl,1 32 I 8. FEEDvJ,ATE~ ISOLPTIOl*I VALVES ARE CLOSED BY TRAll*I "A" CIILY,

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9. SHEET NUMBERS RC:FER TC T~E REFERE~CE NU~BERS 3EL W.

(1'1-------J. I I 10, WHENEVC:R A P~OCESS SIGNAL IS USED FOR CONTROL AND :s DERIVED 0 ROfl A

                                                                                                                                                                                                                                  '--,/              I I                                                                                                                 FP  TECTl  II CHAIIIIEL,           IS  LA.Tl  II 1,1UST BE PROVIDED.

i l'IOTE 12, +~+ I I I. THIS DRAWING ILLUSTRATES THC: FLliCTIONAL RE Ul~EMENTS OF -HE REACTOR I

                           -                                                                                                                                                                                                                      (~/r~ - - ----- - - -                                                                                                                                 f                                                                                                                  CONTPOL Ah  PPOTECTIO\ S'rSTEl-1. THIS JPAWING DOES NOT PEPPESENT ACTUAL I                                                                                                                 HARDWARE IHPLEHEliTATIOli. FOR HARDWARE IHPLEMENTATION, REFER TO THE I                                                                                                                                                                                                                                                                     APPLICAOLE SCHE~ATIC.

I r---------------~ 12. BOARD IIJDICATION IS FROM A CFWCS OUTPUT. ALL OTHER lllDICATIONS Oil THIS I DPAW:NG APE PROVIDED ON THE DFWCS HMI. I I I I 13. RESE-S WHEN Pl CONTROLLER OLTPUT REACHES 100%. ALSO SETS PUMP BIASES TO 0. I FOLD { 14. TRACKS HIGHER FWP A,'fl STATION DEMAND WHEN ~OT- PJMPS A"E IN HANJAL. FJLD

,----------- MAIJUAL 2,p Fll*I Ie SETPOINT
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16. SWITCHES TO IIAIIUAL \vHEhl B*OTH F'~P .A/II STATl*JIJS ARE RAMPS PUMP 2 DE~AND TO 0%. NCC: PLMP 2 IS AT C%, IIJ lli'IJUAL. SWITCHES ITS AIM STAT 01~ TO IIAIJUAL. I I I

                                                                                                                                                                                                                                                                                                                                                                                                    ~&-.-.~c5~c->I* * ~ - - -    AIIT~/IIAl*IIIAI                                                                17.       TRACKS ACTUAL PUMP SPEED WHEN WOODWARD FPSCS IS IN LOCAL HAflUAL OR I                                                                                                                                                                                             ,'J                  FEEDPUI-P'c.P                                                                             PRESSURE L:l~ITING. A/1- GCES TO 1-IANUAL W-EN IT CO~ES OUT OF TRACK l,IODE I                                                                                                                                                                                               I SFTP011,IT SFI F(T                                                                          WITH DEMAl~D
  • ACTUAL SPEC: AT TIME 0° TPAflSITIOfl.

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  • FROI~ MC6 1 18. REFER TO THE OFWCS FUNCTIONAL REOLIRC:MENTS DOCUMENT DRAWING 663195-27
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PESET I I

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I I I t -------;;,. K + 33 I PUHP :l*I l*IAl'*IUAL ______..,****100\,y 611 R L OR PUIIP 2 RAIIPIIIG - DOWl*I TO U% I I I I I I ____________________________ _ 100 I

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I I I I EEDWATER BY 0 ASS FEEC*\ ATER IIAihl TR Ip FROM ___...,,.,IO 6\,.b FEEDWATER BYPASS FEEDvJA TER H.A l lJ 0 E 5% rowcri -* { VA_VE FOSITIOl*I VALVE 0SITIOl*I V.ALVC: POSITIOII VA_VE POSITIOl'I 0 il\OT::: 131 1 DElAl*ID SI Gl*IAL DEIIAIJD SIGIJAL IIASTER OEMAl*ID SI Gl*IAL DElAhlD SI Gl*-IAL I *SHEE- 21,

                                                                                                                                                'SHEE- 21'                       1 SHEET 21'                                                                                    I                                    AUTO.'HAl*IUAL                                                                                                                                *SHEET21*
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I I I I I 0 C i---- - - - - - - - ----- - - - - - - ---1/4- - - - - - - - ---- - - - - - - - ---- I  : FOLD FJLD I I I

BOTH PUHPS Ill AUTO ~ ~~0
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0 IIAIJUAL P WEP < 30% iNOTE 161 ',' 1*1.AIJU.AL

                                                                                                                                                        -~,-----              -   -     -,~-~                                              SPEED BIAS                      I                                                                                                                    SPEC:          BIAS                                     -  -                                 - -

I I I ' I I I I I I I I I I I C, I I I I I RlUJl*luAhl I I I I I I' I' I I I I I I I I ~ I I I I I 1_ ilJOTEll1, I (i)---4 I { i---~ I I

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I_ I I FWP A FWP 6 I '* ' I______,,.._ _,,_, _ _ _ _ _J AL I C/HAIIUAL AU I QIHAIIUAL r[DLIID.AJIT STATIOfl STAT I OIi I I I I I

                                                                                                                                                                                                                                                                                       ,r-.lOTC:    17 &  181                                                 ~-~,--- 11*.IOTE                                17 &        181                                                    I I

I I I I I I I l I' ,,---,'\ CLOSE ALL TRIP A.LL TURBIIIE LOOP 3 & 4 I I I I I I t-----(J) t--------{ I '-/ I I - FiEDUIJDAl,JT I I I I I I FEEDWATER FEED\,ATER TRIP l llTERLOC~. I r

                           -                       ISOLA-IOIJ VALVES 'OC, PUIIPS
                                                                           ,1JOTE 3, I   *,SHEET 161
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1SHEETl41

  • 1*-IOTE 9' MO~ULATE '

FEED\vA TEP HODIJLATE f FEED'/ciATEP FEEDWATC:R PU IF A FEED,IATER 0 Ul'IP B MODU_ATE FEEDWATER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                '                                MOCUL.ATE FEEDWATEP c l*JOTE 8 I BYPASS VALVE          I            HAIi/ V.ALVE I                                                                   SPEED DEIIAIID                                                                               SPEED DEHAJID                                                                                    BYPASS VALVE 2                                H.A 11'1 VA_ VE 2 FCV-1510                           FCV-510                                                                                                                                                                                                                                                                         FCV-152C                                       FC\/-520
                                                                                                                                                   '110TF c,'                       ( hl0TF r=-1 l                                                                                                                                                                                                                                                                   1 f\JOTF          i::-1 1                    1 1--JC)TF l=i 1 REFERENCES (NOTE 9l                                                                                                                                       WE DWG                 PG&E DWG B                                                                                                                                                                                                                                                                                                                                                                                                                                              I ,     FUl*ICT I OIIAL      LOGIC        DI AGRA ,I     I 1°ID E/ Al1D S YIIBOLS ---------------------------------------------------------            56 5 3 D7 °1 - _________ 4 q 5 8 7 I FUl*ICT I OIIAL      LOGIC        DIAGRA'I      REACTOR TRl 0 SIGflALS                                                                         5653074-2                   495872 "ww
3. FUl*ICT I OIJAL LOGIC DIAGRA~ IJUCLEAR 11,STR AIJD flANUAL TRIP SIGNALS 5653074-3 495873 z 0

z - FUIIC TI OIJAL LOGIC DJAcsRA'I l'JUCLEAR lf,STR PERIIISSIVES 41°ID BLOCc.S ______________________________ 5653074-4 _________ 4~5874 0 z n 7, FIJl*l(T I OIIAI I OG l c nlAGRA*1 PRTIIARY CJO AIIT SiSTFII T~TP STGl*IAI S 'ifi',~074-', 49587':, >< cO "0 cO U') 6, FUl*ICT I OIIDL LOGIC DI A1;RA ,I PRESSURIZER TR IP SI Gl1ALS ----------------------------------------------- 565307 4-6 _________ 495876 m I, f u1,1c I I OIIAL LOGIC LJIAc;fiA,1 SllAH GU,llRAIOR IRIP SIGIA_S 'i6'JjLJi4-I 49'i8// 'Cf Q_D4 - 3, FUIICT I OIJAL LOGIC DI AGRA 01 SAFEGUARDS .AC TUA TI OIi SIG 1A _S ---------------------------------------- 56 5 3 Dr 4 -8 _________ 4958 78 I - JLD 9, FUl*ICT I OIIAL LOGIC DIAGRA~ ROD COl!TR LS All ROD BLOCKS 5653D74-9 ~95879 OLD~ OLD1 CUTL I HE IO, 1UIICT I ONAL LOGIC DI AGcA I ST EAl I DUiie CONTnOL -------------------------------------------------------- 0 56 5 3 D7 4 0 ________ 495880 CJT II, FUl*ICT I OIIAL LOGIC DIAGRA,I PRESSURIZER PRESSURE AID LC:VEL COIITRO ___________________________ 5653D74- I ________ 495881 I 2, FUl 01CT I OIIAL LOGIC DIAGRA,I PRESSURIZER HC:ATER CONTRCL 5653D74- 2 495882 I 3, Flll*ICT I OIJAI I iJG I C n1A,~RA',I FFFOWATFR CCIITROI Alln !SCI ATTOIJ 5653074- 3 49588~

                           -                                                                                                                                                                                                                                                                                                                                                                                                                                             I 4,       FUl*ICT I OIJAL      L,JGIC DIAGRA~ FEEDWATER CCIITROL AN  ISCLATIOIJ                                                                         5653074- 4                  495884 I :i . FUIICT I UIJAL       LOGIC DI AGRA I AU I IL I AR'1 FEEDWA T ER Pu1,1PS ST AR TUP ----------------------------------                           56 5 3 Dr 4 - 5 ________ 4 9 :i 8 8 :i 16,        FIJl*ICT I OIIAL     L,JG IC OJAc;RA,I TLIRBll'-IE TRI 0 S, RUl,IBACt.S & SJc;IIALS ___________________________________                        5653D74- 6 ________ 495886 IL         FUl*ICT I Ol,IAL     LOGIC DIAGRA'I Ai'ISAC SIGl,A_S                                                                                           5653D74- 7                  495887 I 3,       FUIICT I OIJAL       LOGIC DI AGRA I SE I Sl I IC TR I O -----------------------------------------------------------------

0 8 7 5 9 D7 7 ____________ 4 q 5 8 8 8 19, FUl*ICT I OIIAL LOGIC OIAGRA,I DIGITAL FW COIIT SYS 11,IFUT SIGIIAL VALIJATIOII ___________________ 5653D74- 8 ________ 495889 20, FUl*ICT I 01,IAL LOGIC DIAGRA,I DIGITAL FW COIJT SYS FW F_OW COIJTROLLE~ & Cv DEIJAID 5653074- 9 495890 21, 1UIICT I ONAL LOGIC DIAGcA~ DJciJTAL 1W CONT SIS COIT VCV S[O & T~.AC<ING LOGIC ___________ 5G53074 20 ________ 495891

22. FUNCTIONAL LOGIC !AGRA~ DIGITAL FW = NT S(S SIGNAL SELECTOR LCGIC 5653074-21 495892
23. DRA.l ll'IG ll*IOE; SOLID STATE FROTECTIOl*I S1S 11-ITE'iCOl*ll*IECTIOl*I & SCHEI-I. DIACR.AH ____________ 108 442-1--------458826 m

0 0 A NUCLEAR SAFETY RELATED ('1

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0 z +- CJ l<EY D1;JG. SECT I 01*1 3 0 ~

            *Z l"lC)N Woo DATE                                                    REVIS:ON DESCRIPTIO~                                                               I & C                                      DWG SCALE:

a) X 09-1 °1-2009 REVISED PER DDr*l-2*117 BILL OF f*,IATL; Ll1 rq er: FUIICT I Ol*IAL LOGIC DI AGc;A1 I mm H xG2 FEEDWATER CONTROL & ISOLATION SUPSDS: 663195-13

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r:; c_ L..._L_ __:_j ,,_., LAL3 PACIFIC SM~ GAS AND F::iAhlC I SCO, ELECTRJC COMPANY CAL I FCR~~ I A 1 95883 I 0 '

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