ML21130A285

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0 to Updated Final Safety Analysis Report, Drawing 730E805BA, Sheet 7, Neutron Monitoring System Functional Control Diagram
ML21130A285
Person / Time
Site: Cooper Entergy icon.png
Issue date: 04/21/2021
From:
Nebraska Public Power District (NPPD)
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21130A114 List: ... further results
References
NLS2021013
Download: ML21130A285 (1)
v • d • e


Text

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"READY FO:-Y' _J TRAVERSE" SIGNAL RECYCLE~

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DETECTOR MOVES FORWARD AT LOW SPEED DETECTOR MOVES FORWARD AT HIGH SPEED DETECTOR PROCEEDS FORWARD AFTER SHlmNG TO LOW SPEED DETECTOR STOPS DETECTOR REVERSES &

PROCEEDS our AT LOW SPEED DETECTOR PROCEEDS our AFTER SHlmNG TO HIGH SPEED DETECTOR PROCEEDS our AFTER SHlmNG TO LOW SPEED DETECTOR STOPS DETECTOR PROCEEDS our AT LOW SPEED 1

AUTOMATIC TRAVERSE DETECTOR IN CHAMBER SHIELD MODE SW IN "AUTO" POSmON LOCAL CR 2

3 PERMISSIVE WHEN AUTO-SIGNAL PRESENT

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"READY FOR

  • _J START PUSH BUTTON HAS BEEN DEPRESSED INDEXER LIMIT SWITCH DETECTOR IN "BOTTOM" OF CORE POSmON TRAVERSE" SIGNAL DETECTOR IN "TOP OF CORE" POSmON DETECTOR IN "BOTTOM" OF CORE POSmON INDEXER LIMIT SWITCH DETECTOR IN *oooo*

RUNNING MODE SWITCH IN "MANUAL" POSmON

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RECYCLE

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\\ SAME POSmON OR SELECT NEW MACH AND/OR NEW INDEXER POSmON MANUAL SW IN "DRIVE our POSmON DETECTOR IN CHAMBER SHIELD LOCAL DETECTOR STOPS AT ZONE A-7 B 1.A.7 2

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HIGH SPEED DETECTOR MANUAL TRAVERSE IN CHAMBER SHIELD MODE SW IN "AUTO" POSmON LOCAL CR PERMISSIVE WHEN AUTO-SIGNAL PRESENT

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"READY FOR

  • _J TRAVERSE" SIGNAL MANUAL SWITCH IN "FORWARD" POSmON PERMISSIVE WHEN SPEED SWITCH IN "OFF" POSmON INDEXER LIMIT SWITCH DETECTOR IN "BOTTOM" OF CORE POSmON DETECTOR IN "TOP OF CORE" POSmON MAIN SW IN "REVERSE" POSmON DETECTOR IN "BOTTOM" OF CORE POSmON INDEXER LIMIT SWITCH DETECTOR IN CHAMBER SHIELD LOCAL DETECTOR STOPS TYP FOR EACH TIP CHANNEL 4

DETECTOR PROCEEDS FORWARD AT LOW SPEED 5

LOW SPEED DETECTOR IN CHAMBER SHIELD LOCAL MODE SW IN "AUTO" POSmON CR PERMISSIVE WHEN LOW SPEED SWITCH IN ON POSmON MANUAL SWITCH IN "FORWARD" POSmON PERMISSIVE WHEN SPEED SWITCH IN "ON" POSmON DETECTOR IN CHAMBER SHIELD LOCAL DETECTOR STOPS 5

6 I

CHOOSE MACHINE

'Y' CR A,B,C ORD

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/iERMISSIVE IF

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PROBE IS NOT IN INDEXER

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INDEXING MACHINE HOMES IN Nil LOCKS ON SELECTED POSmON LOCAL

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GUIDE lUBE SELECTOR SW IN SELECT (XX) POS CR TRAVERSE" SIGNAL A.553, OF 4 DETECTOR IN "TOP OF A.554, A.555, A.556 PERMISSIVE AFTER TIME DELAY OF 5 SEC PERMISSIVE IF BALL VALVE IS CLOSED (ABNORMAL)

CORE" POSmON MAIN SW IN "REVERSE" POSmON ISOLATION COMMAND RECIEVED FROM PRIMARY CONTAINMENT ISOIATIOH SYS (ZONE K-7 REF 3 SHEET 1 ) NOTE 2 REMN DEi TO SHEJJ FROM ANY POINT IN TRAVERSE VIA HIGH SPEED MAN MODE OR I.OW SPEED MAN MODE

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TIP SHEAR VALVE FIRED/TROUBLE I CR

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,I' A~ BALL VALVE A~ BALL VALVE OR ASSOCIATED OPEN ASSOCIATED SHEAR VALVE SHEAR VALVE CLOSED OPEN I

I DETECTOR DETECTOR our OF CHAMBER SHIELD IN CHAMBER SHIELD 8

9 10

,I' SCAN W 1-----~-------~--------~

PERMISSIVE CR PERMISSIVE IF COMPUTER HAS NOT ABORTED TI-IE TRAVERSE COMPUTER INmALIZES AND DET MOVING FROM CORE TOP SCAN SWITCH IN "SCAN" POSmON CR 1 1 FORWARD REVERSE

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.-----IW IN CORE TI-IE TRAVERSE IS

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,I' DETECTOR "IN CORE" POS IND CR READY

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,I' INDEXER HAS HOMED IN AND LOCKED ON SELECTED GUIDE DETECTOR STOPS AFTER PROCEEDING FORWARD FOR 5 SEC (APPROX)

CR PERMISSIBLE COMPIIIIR OPERATOR SELECTS MACH "Y" WllH A PRESUMED PERMISSIBLE TRAVERSE AS INPUT TO COMPUTER DETECTOR IN "TOP OF CORE" POSmON POS IND CR DETECTOR iN SHIELD" POS SW LOCAL MACHINE 'Y' OUTPUT MAY BE SELECTED AS INPUT TO RECORDER ISOLATION COMMAND RECIEVED FROM PRIMARY CONTAINMENT ISOLATION SYS (ZONE K-12, REF 3)

,. VALVE A

CONTROL

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'MONITOR CONTAINMENT ISOLATION NOT REQUIRED LOW SPEED SELECTOR SW IN "ON" POSITION RMS CR AUTO FORWARD CR PERMISSIVE WHEN MAN. SWITCH IN "FORWARD" POSmON RMS CR MODE SWITCH IN "MANUAL" POSmON RMS CR AUTO REVERSE L1516 L1517 L1518 L1519 INPUT FROM COMPUTER INPUT FROM COMPUTER INPUT FROM COMPUTER INPUT FROM COMPUTER MOC (REF A)

MOC (REF A)

MOC (REF A)

MOC (REF A)

PERMISSIVE WHE PERMISSIVE WH PERMISSIVE WH DEIECTOR AT CORE DETECTOR AT CORE DETECTOR AT CORE TOP (TIME DURATION SEE NOTE 3)

TOP (TIME DURATION SEE NOTE 3)

TOP (TIME DURATION SEE NOTE 3)

Y500-A.

Y504-B, Y506-C, Y508-D A

B C

D TIP PROBE AT C

TOP OF CORE 4 INPUTS PER MACHINE TIP GUIDE lUBE ADDRESS MONITOR FIRE SW IN "FIRE" POSmON LSD: LEAST SIGNIFICANT DIGIT MSD: MOST SIGNIFICANT DIGIT

,I' A CR

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LOSS OF CONTINUITY IN PRIMER MONITOR LOCAL GUIDE lUBE ADDRESS SELECTED ON MACHINE A LOCAL C

2500 (LSD")

2501 2502 2503 (MSD.. )

L1500 INPUT FROM COMPUTER MOC C

(REF A)

Y501-A Y505-B Y507-C Y509-D TIP PROBE POSmON DETECTOR AT TOP OF CORE GUIDE lUBE ADDRESS SELECTED ON MACHINE 8 LOCAL C

2504 2505 2506 2507 L1501 INPUT FROM COMPUTER MOC (REF A)

PERMISSIVE WI-IE DETECTOR AT EVEN OR ODD COUNTER NUMBER GUIDE lUBE ADDRESS SELECTED ON MACHINE C LOCAL C

2508 zsog 2510 2511 L1502 INPUT FROM COMPUTER MOC (REF A)

PERMISSIVE WHE DETECTOR AT EVEN OR ODD COUNTER NUMBER GUIDE lUBE ADDRESS SELECTED ON MACHINE D LOCAL C

2512 2513 2514 2515 L1503 INPUT FROM COMPUTER MOC (REF A)

INDICATION & COMPUTER INPUTS TO NEUTRON MONITORING SYS ~

CR 12 TIME DELAY (BALL VALVE IS OPEN)

PERMISSIVE 5 SEC AFTER DET MOVES our OF SHIELD DETECTOR MOVES our OF SHIELD POS SW LOCAL PERMISSIVE WHEN CONTAINMENT NOT ISOLATED CR PURGE SWITCH IN "ON" POSmON RMS CR

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1. SEE SHEET 1 ONLY
2. IN TI-IE EVENT TI-lAT POWER IS LOST TI-IE FOLLOWING ACTIONS WILL BE INITIATED AFTER POWER IS RESTORED.

A. IN AUTOMATIC MODE-DETECTOR RElURNS TO

  • oooo* VIA AUTOMATIC MODE PATH DETECTOR MUST TI-lEN BE RElURNED TO CHAMBER SHIELD TO REPROGRAM DETECTOR.
8. IN MANUAL MODE-MUST RESTART VIA MANUAL SWITCH IN "REVERSE" AND RETURN TO CHAMBER SHIELD TO REPROGRAM DETECTOR.
3. TI-IE TIME DURATION OF TI-IE PERMISSIVE SHAU. BE SUCH THAT IT IS COMPATIBLE WITH TI-IE ASSOCIATED COMPUTER.

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0 7-106 LOCAL 7-106 LOCAL CR 452005333 CADD DRAWING DETECTOR IN CHAMBER SHIELD LOCAL DETECTOR STOPS PRIM CONT !SOL DETECTOR RECALL 6

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~~~----~

ENERGIZE DE-ENERGIZE SOLENOID OPEN SOLENOID CLOSE BALL VALVE BALL VALVE SHE"AR VAL~ SQUIB r~ED V~,HEAR SHEAR VALVE VALVE MONITOR OPEN r-BALL VALVE ~ r-SHEAR VALVE ~

8

  • THIS DRAWING GENERATED BY NPPD SIGNIFICANT NUMBER GROUP 2

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5 COOPER NUCLEAR STATION NEUTRON MONITORING SYSTEM FUNCTIONAL CONTROL DIAGRAM 9

10 1 1 6

DO NOT REVISE MANUALLY DRAWN DATE TRU 9/27/93 GENERAL CHECKED DATE r--

ELECTRIC*

0 APPROVED DATE 0

SJT 11-16-93 0

~ u FILMED REVISION Ii:

730E805BA SH. 7 N01

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