ML20268B164

5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 495853, Sheet 1

ML20268B164
Person / Time
Site:	Diablo Canyon
Issue date:	06/30/2020
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML20268B299	List: DCL-20-075, 5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 441313, Sheet 1, Rev. 37, Electrical Schematic Diagram Containment Fan Coolers ML20268A349 ML20268A350 ML20268A351 ML20268A352 ML20268A353 ML20268A354 ML20268A355 ML20268A360 ML20268A361 ML20268A362 ML20268A363 ML20268A364 ML20268A365 ML20268A366 ML20268A367 ML20268A369 ML20268A370 ML20268A372 ML20268A373 ML20268A374 ML20268A375 ML20268A376 ML20268A377 ML20268A378 ML20268A379 ML20268A380 ML20268A381 ML20268A382 ML20268A383 ML20268A384 ML20268A385 ML20268A386 ML20268A387 ML20268A388 ML20268A389 ML20268A390 ML20268A391 ML20268A392 ML20268A393 ML20268A394 ML20268A395 ML20268A396 ML20268A397 ML20268A398 ML20268A399 ML20268A400 ML20268A401 ML20268A402 ML20268A403 ... further results
References
DCL-20-075
Download: ML20268B164 (1)

Text

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I NOTES I I I. ANALOG GATE CONSISTS OF 2 SOLENOID VENT VALVES I \,,, + ,) IN SERIES TO REDUNDANTLY I NTERLOCK THE AIR L JNE REDUNDANT ~--------- v :_________

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J :_____________ ~9+ ____________ J I ,

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+// I BETWEEN EACH VALVE DIAPHRAM AND ITS ASSOCIATED POSITJONER, THE SOLENOID VALVES ARE DE-ENERGIZED TO VENT, CAUSING THE MA I N FEEDWATER VALVE TO CLOSE IN 7 SECONDS.

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2. ALL CI RCUITS IN TH I S SHEET ARE NOT REDUNDANT EXCEPT I

I WHERE INDICATED "REDUNDUNT".

P- I 4 P-4 0-------+

3 STM GEN SAFETY REACTOR LOW 3. DELETED HI-HI LEVEL INJECT I ON TRIP TAVG 1 NOTE I2l ,

(SHEET 7 ) 1 SHEET 8 > (SHEET 2> 1SHEET 5> 4. THE REDUNDANT MANUAL RESET CONSISTS OF TWO MOMENTARY 1 NOTE 9 l 1NOTE 9) 1 NOTE 9 > ( NOTE 9> ' CONTROLS ON THE CONTROL BOARD, ONE OF EACH TRAIN.

5 . OPEN/S HUT I ND I CAT I ON FOR EACH FEEOWATER CONTROL VALVE

~ .!.- ---------, I I IN CONTROL ROOM.

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7 , FEEDWATER PUMPS ARE TRIPPED BY TRAIN "B" ONLY.

8, FEEDWATER I SO LA T I ON VALVES ARE CLOSED BY I

---

*I ' TRAIN "A" ONLY.

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I 1 +~,.s I 9. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS BELOW.

10. WHENEVER A PROCESS SIGNAL IS USED FOR CONTROL AND IS DERIVED FROM A PROTEC T ION

~!

I I CHANNEL, I SOL AT I ON MUST BE PROV I OED.

I I --------- MANUAL t, P I I_ TH !S DRAWING ILLUSTRATES THE FUNCT !ONAL REQUIREMENTS OF THE REACTOR

~

I SETPOINT CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE 0--~ ~--0 1

iI (FROM MCB>

IMPLEMENTATION. FOR HARDWARE IMPLEMENTATION. REFER TO THE APPLICABLE SCHEMAT I C.

I 12 . BOARD INDICATION IS FROM A DFWCS OUTPUT . ALL OTHER INDICA T IONS ON THIS DRAWING G

I I I I I I I I ARE PROV I OED ON THE DFWCS HM!.

I I AUTO/MANUAL 13 . RESETS WHEN Pl CONTROLLER OUTPUT REACHES 1003/4 . ALSO SETS PUMP BIASES TO Q_

FEEDPUMP ,:.p 14 _ TRACKS HIGHER FWP A/M STATION DEMAND WHEN BOTH PUMPS ARE IN MANUAL -

i__ _____ SETPOINT SELECT

( FROM MCB >

15 . SWITCHES TO MANUAL WHEN BOTH FWP A/M STATIONS ARE IN MANUAL .

I 16. RAMPS PUMP 2 DEMAND TO 0%. ONCE PUMP 2 JS AT 01/., SWITCHES ITS AIM STATION TO MANUAL -

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L------------------------------------------------------------+----0 17. TRACKS ACTUAL PUMP SPEED WHEN WOODWARD FPSCS IS IN LOCAL MANUAL OR PRESSURE MANUAL I

'I LI Ml TI NG_ AIM GOES TO MANUAL WHEN I T COMES OUT OF TRACK MODE WI TH DEMAND O ACTUAL RESET ' SPEED AT TIME OF TRANSITION.

( NOTE 4 > K K

I I 18. REFER TO THE DFWCS FUNCTIONAL REQUIREMENTS DOCUMENT DRAWING 663195-27 FOR LOGIC 3tz J{' I I DESCRIPTION.

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REDUNDANT I I

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I ro{\ ~

I FEEDPUMP 1 I LIP SETPOINT I 1 SHEET 20 >

I PUMP IN MANUAL I OR PUMP 2 RAMP I NG DOWN TO 0%

j ,

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I 00 I  :

---

~

K K, 3 +

l35S I(NOTE I 4)

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1- ' I I

---

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' I I I FWP TRIP FROM---' 0 \

• OJ I

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I I FEEDWATER BYPASS FEEDWATER MAIN FEEOWATER BYPASS VALVE POSITION DEMAND SIGNAL FEEDWATER MA I N VALVE POSITION DEMAND S I GNAL

>65% POWER

( NOTE I 3) 7 VALVE POSITION DEMAND SIGNAL VALVE POSITION DEMAND SIGNAL 1

1 SHEET 2 I ) (SHEET 211 1SHEET21) ( SHEET 2 I ) 'I 1NOTE 9) ( NOTE 9 I (NO TE 9> ( NOTE 9 > I I MASTER I_ - - - - - - - - - - - - ...J AUTO/MANUAL (NOTE 15>

STATION I

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+----CD I

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I I MANUAL l------i-------

SPEED B I AS I FROM MCB >

1--------------------------------------------------______j_____l_

I1 BOTH PUMPS IN AUTO & _ _ _ _

POWER <30% ( NOTE I 6 l 0\ 0[

MANUA L SPEED BIAS (FROM MCB)

~

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I I REDUNDANT I

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I 1NOTE I> 0- f----0 I I

~ __,x1----(J L__o,Xf---1_ - - -J~

FWP A FWP B L~

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_ _ _ _ _.J AUTO/MANUAL 1 NOTE I 7 & 18 > AUTO/MANUAL REDUNDANT STATION STATION (NOTE 17 & 18)

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~ - - - - -, - - - - - -

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~-~,-~

CLOSE ALL FEEDWATER TRIP ALL FEEDWATER TURBINE LOOP 3 & 4 INTERLOCK I

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~-----0 I

t- -----0 " ' - REDUNDANT I

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I ISOLATION VALVES 10C>

1 NOTE 8)

PUMPS (NOTE 3)

> (SHrnt l6 )

1 NOTE 9)

ISHEETI41 (NOTE 9> '

MODULATE FEEDWATER MODULATE FEEOWATER FEEDWATER PUMP A FEEDWATER PUMP B MODULATE FEEOWATER MODULATE FEEOWATER BYPASS VALVE MAIN VALVE SPEED DEMAND SPEED DEMAND BYPASS VALVE 2 MAIN VALVE 2 FCV- I 5 I 0 FCV-5 10 FCV- I 520 FCV-520 (NOTE 5> (NOTE 51 (NOTE 5> (NOTE 51 REFERENCES (NOTE 9) WE DWG PG&E DWG I. FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS_ ________ _________ _ 5653074- I _ ______ 49S84 I 2, FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SIGNALS_ _ _ _ ______ __ ___ ___ __ __________ 5653074-2 _______ 495842

3. FUNCTIONAL LOGIC DI AGRAM NUCLEAR INSTR ANO MANUAL TR IP SIGNALS ____________________________ 5653074-L ________ 49584 3

4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVES AND BLOCKS ________________ 5653D74 - 4_ __ 495844

5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS _ --- ------ --- ------- -- 5653074-5 __ ---- _ 495845

6. FUNCTIONAL LOGIC DI AGRAM PRES SUR I 2ER TR IP SIGNALS ----------------------------------------------- 5653D74-6 _________ 495846

7. FUNCTIONAL LOGIC DI AGRAM STEAM GENERATOR TR IP SIGNALS ------------------------------------------ 5653DT4- 7 ---------* 495847

8. FUNCTIONAL LOGIC DI AGRAM SAFEGUARDS ACTUATION SIGNALS __ ___ 5653D74-8 __________ 495848

9. FUNCTIONAL LOGIC DIAGRAM ROO CONTROLS AND ROO BLOCKS ___________________________________________ 5653074-9 __________ 495849 I 0. FUNCTIONAL LOGIC DI AGRAM STEAM DUMP CONTROL --------------------------------------------------------- 565307 4 - I O________ 4 95850 I I. FUNCT !ONAL LOGIC DI AGRAM PRESSURIZER PRESSURE AND LEVEL CONTROL __________________________ 5653074- I I ________ 495851

12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL __ _ 5653074-12 __ ____ 49S852

13. FUNCTIONAL LOGIC DI AGRAM FEEDWATER CONTROL AND I SOL AT JON *------------------------------------ 5653D7 4- I 3 ________ 495853

14. FUNCTIONAL LOGIC OI AGRAM FEEDWATER CONTROL ANO ISOLATION *------------------------------------ 5653074 - I 4 ________ 495854 OL04 I 5. FUNCT !ONAL LOGIC OI AGRAM AUXILIARY FEEDWATER PUMPS ST ART UP ---------------------------------- 5653074- IS ________ 495855

16. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS _______ 5653D74-!6 ____ 495856 17 . FUNCTIONAL LOGIC DI AGRAM AMSAC SIGNALS *--------------------------- ------------------------------------ 5653074- I 7 ________ 49585 7 18 . FUNCTIONAL LOGIC DI AGRAM SEISMIC TR IP -------------------------------- _____ 8759D77 ____________ 49S858

19. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIOATION ___ _ __ 5653074-!8 ___ ____ 495859

20. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cv DEMAND _________ 5653074-!9 ________ 495860

21. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEO & TRACKING LOGIC ___________ 5653D74 - 20 ________ 495861

22. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGJC _______________________ 5653074-21 ________ 495862

23. DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECTION & SCHEM. DIAGRAM---- - )08D442-1 ________ 458826 m

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V 0 NUCLEAR SAFETY RELATED 0

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