ML20268A724
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I LOOP 3 & 4 INTERLOCK (SHEET 13l I
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REDUNDANT EWP LOOP 3 FEEDWATER BYPASS VALVE POSITION DEMAND SIGNAL LOOP 3 FEEDWATER MAIN VALVE POSITION DEMAND SIGNAL
( SHEET 21)
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MODULATE MODULATE FEEDWATER FEEDWATER BYPASS VALVE 3 MAIN VALVE 3 FCV-1 530 FCV-530 (NOTE 3)
(NOTE 3l 2
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3 4
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WIDE RANGE LEVEL CHANNELS
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I LOOP 4 FEEDWATER BYPASS VALVE POSITION DEMAND SIGNAL
( SHEET 2 I l 6
LOOP 4 FEEDWATER MAIN VALVE POSITION DEMAND SIGNAL
( SHEET 21 l i ------_: ______ --
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MODULATE MODULATE FEEDWATER FEEDWATER BYPASS VALVE 4 MAIN VALVE 4 FCV - I 540 FCV-540
<NOTE 3l
<NOTE 3>
7 REDUNDANT 8
NOTES I. ANALOG GATE CONSISTS OF 2 SOLENOID VENT VALVES IN SERIES TO REDUNDANTLY INTERLOCK THE AIR LINE BETWEEN EACH VALVE DIAPHRAM AND ITS ASSOCIATED POSITIONER. THE SOLENOID VALVES ARE DE-ENERGIZED TO)!_fNT, CAUSING THE MAIN FEEDWATER VALVE TO CLOSE IN \\Z._,)SECONDS.
- 2. ALL CIRCUITS IN THIS SHEET ARE NOT REDUNDANT EXCEPT WHERE INDICATED REDUNDUNT.
- 3. OPEN/SHUT INDICATION FOR EACH FEEDWATER CONTROL VALVE IN CONTROL ROOM.
9
- 4. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS BELOW.
- CHANNEL, ISOLATION MUST BE PROVIDED.
- 6. THIS DRAWING ILLUSTRATES THE FUNCTIONAL REQUIREMENTS OF THE REACTOR CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE IMPLEMENTATlON. FOR HARDWARE IMPLEMENTATION, REFER TO THE APPL[CABLE SCHEMATIC.
10 REFERENCES~~
WE DWG PG&E DWG I. FUNCTIONAL LOGIC DIAGRAM [NOEX ANO SYMBOLS ____________________________________ 5653D74-I ______ 495841
- 2. FUNCTIONAL LOGIC DIAGRAM REACTOR TR[P SIGNALS _________________________________ 5653D74-2 ______ 495842
- 3. FUNCT[ONAL LOGIC DIAGRAM NUCLEAR INSTR ANO MANUAL TR[P SIGNALS __________________ 5653074-3 ______ 495843
- 4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR [NSTR PERMISSIVES AND BLOCKS ___________________ 5653D74-4 ______ 495844
- 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP S[GNALS. ___________________ 5653D74-5 ______ 495845
- 6. FUNCT[ONAL LOGlC DIAGRAM PRESSUR[ZER TRIP SIGNALS. _____________________________ 5653074-6 ______ 495846
- 7. FUNCT[ONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653074-7 ______ 495847
- 8. FUNCT[ONAL LOGIC DIAGRAM SAFEGUARDS ACTUAT[ON SIGNALS _________________________ 5653074-8 ______ 495848
- 9. FUNCT[ONAL LOGIC DIAGRAM ROD CONTROLS ANO ROD BLOCKS ___________________________ 5653074-9 ______ 495849
- 10. FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653074-10 _____ 495850 II. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE ANO LEVEL CONTROL _________________ 5653074-11 _____ 495851
- 12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653074-12 _____ 495852
- 13. FUNCTIONAL LOGIC DIAGRAM FEEOWATER CONTROL AND ISOLATION _______________________ 5653074-13 _____ 495853
- 14. FUNCTIONAL LOGIC DIAGRAM FEEOWATER CONTROL ANO ISOLATION _______________________ 5653074-14 _____ 495854
- 15. FUNCTIONAL LOGIC DIAGRAM AUXILIARY FEEOWATER PUMPS STARTUP _____________________ 5653074-15 _____ 495855
- 16. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653074-16 _____ 495856
- 17. FUNCTIONAL LOGIC DIAGRAM AMSAC SIGNALS _______________________________________ 5653074-17 _____ 495857
- 18. FUNCT[ONAL LOGIC DIAGRAM SEISMIC TRIP ________________________________________ 8759077 ________ 495858
- 19. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIDATION ____________ 5653074-18 _____ 495859
- 20. FUNCT[ONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cy DEMAND ______ 5653D74-19 _____ 495860
- 21. FUNCT[ONAL LOGIC DIAGRAM DIG[TAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC _______ 5653074-20 _____ 495861
- 22. FUNCT[ONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC _______________ 5653074-21 _____ 495862
- 23. DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECT[ON & SCHEM. DIAGRAM-------- 108D442-I _____ 458826 DWG DWG TYPE SUBJECT DRAWINC HTLE UNIT No.
RM INDEXED REV _2 81
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MAN LOCATION TYPE NAME MISC CODE ) HOURS IDI IjAIBILl01 OJ
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[ffi9]i I I I I 45-50 51 52 53 5556/ 57 59
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CAOO lg 60 DRAW[NG SOURCE 0
70 2
JOHN W. HEFLER
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/J ~::!'e=v=--+~E-~9~9"!95~~9~-;30~-~9~5 REV REGISTERED ENGINEER
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5IGNATl1"E CA REG NO.
EXP DATE NUCLEAR SAFETY RELATED KEY DWG--SECTION...l._
UNIT I
~,-----,----------------,----,--,----,--,---.--~-.--,---------------,---,---,--,---,r--,---.-,-----,-------------,-----,-,--,---,--,---,r,A""'P~ GM BY SUPY L HOLLOWAY COAST VALLEYS DIVISION MICROFILM I *.,_
BILL OF HATL NO.
DA TE DESCRIPTION GM/SPEC OWN CHKD SUPV APVD BY NO.
DATE R E V I S I O N S 4
5 2 /Ll/7/111 CHO,D. 5 TO 7 SECCl-lDS IN NOTE I PER FCT. 16177 I 91 SUPERSEDED DWG 663195*14; REV SCHEME, NOTES J &
4; ADDED NOTES 5 & 6 IDCl*EE-411501 DESCRIPTION GM/SPEC OWN CHKO SUPV APVD BY NO, DA.TE DESCRIPTION AKM OSGN WESTINGHOUSE EWP "M w-r.~:;-~-+.~-+----!D;;;'WN:;,";:W,". :.,Ai',LB"'OV;,il';;,IAS WAA VAL I I AKM BMG LCV GWSPEC OWN CHKO SUPV A.PVD BY CHKO V.A. LIM BMGOKIII R E V I S I O N S R E V I S I O N S DATE 5-23-91 SCALES NONE 6
7 FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL~ ISOLATION DIABLO CANYON DEPARTMENT OF ENG[NEERING PACIFIC GAS ANO ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA 9
DWG LI ST SUPSDS 663 I 95 - I 4 SUPSD BY SHEET NO.
SHEETS 495854 REV 2 I O U2 - 495884 E
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