ML23129A481
| ML23129A481 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 04/20/2023 |
| From: | Nebraska Public Power District (NPPD) |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML23129A261 | List:
|
| References | |
| NLS2023022 | |
| Download: ML23129A481 (1) | |
Text
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REQUIRES COINCIDENT TRIP OF SWITCH 72A OR 72B AND 72C OR 2
3 4
5 REQUIRES COINCIDENT TRIP OF 72D TO START SYSTEM~
1 REACTOR REACTOR ACDITIONAL FUNCTIONS PERFORMED BY THIS VESSEL VESSEL SET OF SWITCHES (LIS-72 LOW LEVEL LOW LEVEL HAS TWO LEVEL TRIP POINTS
-- ----1/ "' "' ~, ' *
---7 HIGH HIGH I
I DRYWELL DRYWELL PRESSURE PRESSURE I
I I
I I
L LIS LP LIS LP 2-3-72A 2-3-72B REF DWG /13 REACTOR REACTOR VESSEL VESSEL LOW LEVEL LOW LEVEL LIS LP LIS LP 2-3-72C 2-3-720
-- -t- -- -- -- -- ---
/
NORMAL AUX \\
/
NORMAL AUX OR STANDBY OR STANDBY POWER AVAILABLE POWER AVAILABLE AT BUS I AT BUS I
\\
AUX DEVICE LP I
\\
AUX DEVICE LP I
I I
I I
J
\\
I SEE SH2-A3)
I I
REF DWG #1 I
START I
I SEE REF DWG 6 & 8 FOR I HIGH HIGH I
ADDITIONAL FUNCTIONS DRYWELL DRYWELL PERFORMED BY THIS PRESSURE PRESSURE SET OF SWITCHES ~
I RESET PS LP PS LP PUSHBUTTON 10-101C 10-101D L -- -
-- -- -- -- ---- J PB CR CR I
SEAL A
IN
~~~ /F\\ /s\\
\\:.VWW
\\:.bl \\:_ty BY OTHERS
'BACK-UP DEVICE CR 1'
/
PERMISSIVE
\\
VALVE VALVE AFTER TIME DELAY NOT FULLY NOT FULLY SEE NOTE 1 0 I
SEAL I "OPEN" "OPEN" IN
\\
AUX I
LIMIT ON VALVE LIMIT ON VALVE 1
DEVICE LP SWITCH MO 17 SWITCH MO 18 PERMISSIVE WHEN \\
AUTO SIGNAL IS PRESENT CONTROL SW
/
PERMISSIVE \\
3 POSITION SW "START"
\\
AUX I
IN "STOP" EXCEPT WHEN "AUTO" "STOP" SPRING DEVICE LP POSITION VALVE IS FULLY RETURN TO "AUTO" OPEN FROM "START" "STOP" PULL TO LOCK IN "STOP"
\\
LIMIT ON VALVE/
CONTROL SWITCH
/
NOT PERMISSIVE RMS X
SWITCH MO 13A WHEN STOP SIGNAL IN "START" POSITION IS PRESENT RMS CR
\\
AUX DEVICE LP I CR CR R
G NOTE 7 START I
STOP AIR CIRCUIT BREAKER (52)*
RHR PUMP 1A Cl B) 4160V BUS l f DIV I RHR PUMP l C ClP} 4160V BUS 1 G DIV II 2 POSITION SW "CLOSE" "OPEN" MAINTAINED CONTACTS KEYLOCK IN "OPEN" POSITION CONTROL SWITCH IN "OPEN" POSITION RMS CR PERMISSIVE WHEN ASSOICATEO SOC SUCTION VALVE MO 15A (C) IS IN FULLY CLOSED POSITION LIMIT ON VALVE SWITCH M015A(C)
VALVE LIMIT SWITCH PERMISSIVE WHILE OPENING LIMIT SWITCH OPEN ON VALVE CONTROL SWITCH IN "CLOSE" POSITION RMS X
VALVE TORQUE SWITCH PERMISSIVE WHILE CLOSING TORQUE ON SWITCH VALVE CLOSE REVERSING CONTACTOR { 42)*
RHR PUMP SUCTION VALVE MO 13A (C)
NOTE 3 2
3 SEE NOTE 3 3 PCS SWITCH "OPEN"-"AUTO" "CLOSE" SPRING RETURN TO "AUTO" FROM "OPEN" "CLOSE" ----~
SYSTEM I NOTE 3 4
CONTROL SWITCH IN "OPEN" POSITION RMS CR NOT PERMISSIVE WHEN AUTOMATIC CLOSE SIGNAL IS PRESENT AUX DEVICE LP VALVE LIMIT SW PERMISSIVE WHILE OPENING LIMIT SWITCH OPEN ON VALVE SEAL IN CONTROL SWITCH IN "CLOSE" POSITION RMS X
VALVE TORQUE SW PERMISSIVE WHILE CLOSING TORQUE SWITCH CLOSE REVERSING CONTACTOR ( 42 AC) (72 DC)*
SHUTDOWN COOLING VALVES (FOR VALVE NUMBER SEE TABLE) 5 6
VALVE NOT FULLY "OPEN" LIMIT SWITCH ON VALVE MO 15A 2 POSITION "CLOSE" - "OPEN" MAINTAINED CONTACTS CONTROL SW IN "OPEN" POSITION RMS CR PERMISSIVE WHEN ASSOCIATED PUMP SUCTION M013A (C)
IS IN FULLY CLOSED POSITION LIMIT ON VALVE SWITCH M013A(C)
PERMISSIVE WHEN VALVE M039A IS IN FULLY CLOSED POSITION LIMIT ON VALVE SWITCH M039A PERMISSIVE WHEN VALVE M021A IS IN FULLY CLOSED POSITION LIMIT ON VALVE SWITCH M021 A VALVE LIMIT SW PERMISSIVE WHILE OPENING LIMIT ON SWITCH VALVE OPEN 8
CONTROL SW IN "CLOSE" POSITION RMS X
VALVE TORQUE SW PERMISSIVE WHILE CLOSING TORQUE ON SWITCH VALVE CLOSE REVERSING CONTACTOR ( 42)*
9 SHUTDOWN COOLING SUCTION VALVE MO15A (C)
NOTE 3 REAC VESSEL EXCEEDS PRESS OF SHUTDOWN COOLING RANGE PS 2-128A LP REF 4 DO NOT USE ----------J'--1--'
FOR MO 57 & 67 REAC VESSEL EXCEEDS PRESS OF SHUTDOWN COOLING RANGE PS 2-128B AC OPERATED*
LP SUCTION ISOLATION ----------------- MO 16 ISOLATION VALVE CLOSURE SIGNAL REF DWG 5 RADWASTE DISCHARGE ________________ MO 57 (THROTTLING TYPE)
NOT REQUIRED ON THROTTLING TYPE VALVES DC OPERATED*
SUCTION ISOLATION _________________ MO 17 RADWASTE DISCHARGE ________________ MO 67 FOR PREVIOUS REVISIONS, SEE SUPERSEDED CARDS.
REVISIONS BY N.P.P.D.
NO.
REVISIONS OFT CKD APP DATE NOB REDWN & REV DCN 96-0113 RAC RHG KG 4-29-99 N09 RCR 2001-0506 DCN 01-0844 RAC RHG KG 1-6-03 N10 NOTIF 10223144 DCN 03-1159 RAC RHG KG 12-30-0 SIGNIFICANT NUMBER GROUP 10 MPL# 10-202 2
3 4
1 1 12 l,!OTES;
- 1.
THE CONTROL SYSTEM AS DRAWN SHOWS SYSTEM 1.
THE OPERATING SEQUENCE, AFTER LOW WATER LEVEL SIGNAL OR HIGH DRYWELL PRESSURE IS AS FOLLOWS:
CONDITION A:
PUMP -
3A PUMP -
3C PUMP -
3B PUMP -
3D
.YAl.'LES; PLANT ON NORMAL AUXIUARY POWER:
STARTS ~ 0.5 SECS DELAY STARTS 5 SECS DELAY STARTS 5 SECS DELAY STARTS
~ 0.5 SECS DELAY 27A (NORMALLY OPEN)
OPENS AFTER REACTOR LOW PRESSURE PERMISSIVE 25A OPENS AFTER REACTOR LOW PRESSURE PERMISSIVE CONT COOLING 26A) 31A) 39A)
CLOSE, IF OPEN, (NORMALLY MAINTAINED CLOSED) 34A) 38A)
HEAT EXCH VALVE 89A -
CLOSES (IF OPEN)
SERVICE PUMPS 1A, 1C, 1B, 1D STOP IF RUNNING CONDITION B*
PUMP PUMP -
3A PUMP -
3C PUMP -
3B PUMP -
3D Pl ANT ON STANDBY DIESEi POWER*
Q SET TIME DELAY DEVICE INITIALLY
~0.5 SEC 5 SEC 5 SEC
~0.5 SEC
.Y.AL'l!ES; SEQUENCE SAME AS CONDITION A SERVICE PUMPS -
SAME AS CONDITION A
- 2.
MANUAL CONTROL SYS FOR THROffilNG TYPE MO VALVES SHALL BE DESIGNED TO ALLOW VALVES TO BE STOPPED AT ANY DESIRED POSITION.
- 3.
SYS I CKTS & EQUIP ARE SHOWN.
SYS II CKTS & EQUIP ARE IDENTICAL EXCEPT CORRESPONDING EQUIP. NO. SUFFIXES ARE AS FOLLOWS:
SYS I A.C SYS II -
B,D
- 4.
PUMP MOTORS SHALL BE PROTECTED WITH OVERLOAD TRIPS.
OVERLOAC RELAYS TO BE APPLIED SO AS TO MAINTAIN POWER ON MOTOR "A" AS LONG AS POSSIBLE WITHOUT IMMEDIATE DAMAGE TO MOTORS OR HARM TO EMERGENCY POWER SYSTEM.
VALVE MOTORS SHALL BE PROTECTED BY OVERLOAC ALARMS.
- 5.
AUXILIARY RELAYS & DEVICES ARE NOT SHOWN ON THE FUNCTIONAL CONTROL DIAGRAM EXCEPT WHERE NEEDED TO CLARIFY THE FUNCTIONAL REQUIREMENTS.
- 6.
LPCI PUMPS A & B ARE POWERED FROM DIV I AND LPCI PUMPS C & D ARE POWERED FROM DIV II.
LPCI LOOP A CONTAINS PUMPS A & C AND LPCI LOOP B CONTAINS PUMPS B & D.
- 7.
STATUS LIGHTS SHALL BE AS FOLLOWS:
VALVES:
GREEN ON FOR CLOSED POSITION RED ON FOR OPEN POSITION BOTH ON FOR INTERMEDIATE POSITION PUMPS:
RED ON FOR PUMP RUNNING GREEN ON FOR PUMP STOP
- 8.
ALL AUX TIMING DEVICES SHALL BE ADJUSTABLE FROM O TO FULL SCALE.
FULL SCALE SHALL BE AT LEAST 1 1 /2 TIMES GREATER THAN SPECIFIED TIME SETTINGS.
- 9.
ALL EQUIPMENT & INSTRUMENTS ARE PREFIXED BY 10, UNLESS OTHERWISE NOTED, WHICH IS PART 10 ON THE MASTER PARTS LIST.
- 10. THE FOUR PRESSURE SWITCHES ARE ARRANGED FOR ONE OUT OF TWO TWICE LOGIC.
- 11.
FOR LOCATION AND IDENTIFICATION OF INSTRUMENTS SEE MPL ITEM NUMBER 9-61.
- 12.
- 13. THE RHR SYSTEM SHALL BE DESIGNED IN ACCORDANCE WITH "PROPOSED CRITERIA FOR NUCLEAR POWER PLANT PROTECTION SYSTEM IEEE 279" INSOFAR AS PRACTICABLE.
LEGEND:
SWITCH GEAR DEVICE FUNCTION NUMBER USAS SPEC C37.2.
REFERENCE DOCUMENTS:
MPL NUMBERS:
- 1.
P&ID RESIDUAL HEAT REMOVAL SYSTEM ________ 10
- 2.
LOGIC SYMBOLS _____________________ 209A4756
- 3.
NUCLEAR BOILER VESSEL INST P&ID __________ 2-3
- 4.
NUCLEAR BOILER P&ID _________________ 2
- 5.
NUCLEAR BOILER MISC SYS FCD ____________ 2-203
- 6.
CORE SPRAY FCD -------------------- 14-102
- 7.
RECIRC FLOW CONTROL SYS FCD ____________ 2-184-5
- 8.
HPCI SYSTEM FCD ____________________ 23-122
- 9.
RCIC SYSTEM FCD ____________________ 13-112 NOTE: RHR STEAM CONDENSING IS NO LONGER AN OPERATIONAL MODE.
INFORMATION ONLY 452005380 CADD DRAWING DO NOT REVISE MANUALLY DRAWN DATE RAC 3/11/99 5
6 CHECKED DATE COOPER NUCLEAR STATION FCD APPROVED DATE SEE SUPERSEDED CARDS GENERAL ELECTRIC t')
t')
(0 (0
N 0
0
~u t-------------------------ili:
RESIDUAL HEAT REMOVAL SYSTEM FILMED 130E14088 sH 1 ;rra ~
6 7
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10 1 1 12 A
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