ML23129A491

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1 to Updated Safety Analysis Report, Drawing 729E402BB, Rev. 6, Sheet 1, Functional Control Diagram Core Spray System
ML23129A491
Person / Time
Site: Cooper Entergy icon.png
Issue date: 04/20/2023
From:
Nebraska Public Power District (NPPD)
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23129A261 List: ... further results
References
NLS2023022
Download: ML23129A491 (1)
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Text

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CR SPRAY HEADER TO TOP OF CORE PLATE HIGH DP DPIS I 14-43A LP TYP 14-438 CR VALVE LEAKAGE TEST ALARM HIGH PRESS PSH I 14-47A LP TYP 14-478 "AUTO" "OPEN" SPRING 2

REQUIRES COINCIDENT TRIP OF SWITCH SEE REF 4,5,6,7,8 FOR ADDITIONAL FUNCTIONS PERFORMED BY THIS SET OF SWITCHES r

3 POSITION SW. "CLOSE" RETURN TO "AUTO" FROM "CLOSE" "OPEN" {TYP 4 PLACES)

CONTROL SWITCH IN 'OPEN' POSITION RMS CR 9-3

/

VALVE LIMIT SW\\

PERMISSIVE WHILE OPENING

\\

LIMIT ON

/

SWITCH VALVE NOT PERMISSIV\\

WITH AUTO CLOSE SIGNAL

\\

AUX LP

/

DEVICE CONTROL SWITCH IN 'CLOSE' POSITION RMS CR 9-3

/

VALVE TORQUE SW\\

PERMISSIVE WHILE CLOSING

\\

TORQUE ON

/

SWITCH VALVE 9-3 CR 3

r:_-_::::-_~

REACTOR VESSEL LOW LEVEL LIS 2-3-72A LP 4

5

-~::_-_-:_:_-_-:_:_:-,

r:_--:.-:_-_-:_ -~-

REACTOR VESSEL LOW LEVEL LIS 2-3-728 LP I

I HIGH DRYWELL PRESSURE I

I PS LP I (I) I 10-101 ~

6

7 TRIP OF SWITCH

~------

10-101A OR 10-1018 r

REQUIRES COINCIDENT HIGH DRYWELL PRESSURE PS10-101 B LP

& 10-101C OR 10-101D TO START SYSTEM REF. 3 I START I 1----R-EF-.-8------1 I

I RESET SWITCH RMS

/

SEAL IN CR 9-3 VALVE NOT FULLY CLOSED LIMIT SWITCH ON VALVE 8

VALVE NOT FULLY OPEN LIMIT SWITCH ON VALVE CR CORE SPRAY PUMP 1A LOCKOUT SW S5A I CR TYP S5B 9-3 9

REACTOR VESSEL LOW LEVEL REACTOR VESSEL LOW LEVEL I

I HIGH DRYWELL PRESSURE HIGH DRYWELL PRESSURE ADDITIONAL FUNCTIONS PERFORMED BY THIS SET if l I SEE REF 4 & 7 FOR FOR VALVES WITH INDICATING LIGHTS TRIP DRYWELL COOLING EQUIPMENT

{BY OTHERS) i I

I LIS 2-3-72D LP

_[~~

START I

I I

I PS10-101 C LP

.J L..: __ _

L SYSTEM INITIATION SYSTEM r

TYPICAL FOR l SYSTEM II

\\

1----,---

OF SWITCHES PS10-101 D LP

~---t---

I T1

____ 7 I /:

REACTOR PRESS

\\

/:REACTOR PRESS

\\ I PERMISSIVE PERMISSIVE WHEN LOW WHEN LOW 1~

\\;p-~-3---5-2A,--r--LP __ _,/

\\;~3-52E LP

/ I I

tI---R-EF-. -

I I

I CONTROL SWITCH IN 'OPEN' POSITION RMS CR 9-3

/

VALVE LIMIT SW\\

PERMISSIVE WHEN FULLY CLOSED

\\ LIMIT

\\SWITCH ON VALVE/

14-11A /

I STAND-BY DIESEL GEN I L __ __ __ __ :_j

/:POWER AVAILABLE AT SYSTEM I PUMP MOTOR BUS

\\

/

POWER AVAILABLE

\\

AT SYSTEM I PUMP MOTOR BUS

\\-----...... ----1 I

/:REACTOR PRESS

\\

/:REACTOR PRESS

\\ I PERMISSIVE PERMISSIVE I

WHEN LOW WHEN LOW I

\\~~ICE LP

/

\\~~ICE LP

/

/

TIME DELAY PERMISSIVE AFTER 10 SEC

\\ AUX

\\DEVICE

\\

LP

/

NOTE 1 CR 9-3

/

A

/

SEAL IN PERMISSIVE WHEN AUTO SIGNAL IS PRESENT

\\-PP-S ----II--"T""_J \\ PIS LP

/

\\2-3-52C2 LP

\\2 3 52C

-H---~-t~

~-------+--~---

REQUIRES COINCIDENT TRIP OF SWITCH 2-3-52A2 OR 2-3-528

& 2-3-52C2 OR 2-3-52D FOR AUTOMATIC OPEN SIGNAL TO VALVES

~--- SEE REF 4 FOR ADDITIONAL FUNCTIONS PERFORMED BY THIS SET OF SWITCHES

\\

/

!NOT PERMISSIVE WHEN CLOSE SIGNAL IS PRESENT

\\

AUX LP

/

DEVICE -~

/:

VALVE LIMIT SW PERMISSIVE WHILE OPENING \\

CR 9-3

/

A

/

SEAL IN PERMISSIVE WHEN AUTO SIG JS PRESENT \\

\\

AUX LP

/

DEVICE CONTROL SWITCH IN 'CLOSE' POSITION RMS CR 9-3

/

VALVE TORQUE SW\\

PERMISSIVE WHILE CLOSING

\\

TORQUE SWITCH ON VALVE CR CORE SPRAY PUMP 1A TRIPPED 10 AUX DEVICE LOCAL TYP 18 9-3 CR 9-3 A

CORE SPRAY PUMP 1A MOTOR 0/L OR GROUND AUX DEVICE TYP PUMP 18 LOCAL 1 1 12 REVISIONS BY N.P.P.D.

NO.

REVISIONS OFT CKD APP DATE N04 REV & REDRAWN PER APA DCN C93-1811 DR JAC WCF 10-26-93 NOS REV PER DCN C95-0003 RRT JAC OCH 2 8 95 N06 CORE SPRAY SYS GE ELEM DIAG DWG REVIEW DCN 96-1422 RAC JAC RAR 9-15-97 FOR PREVIOUS REVISIONS, SEE SUPERSEDED CARDS.

CR CORE SPRAY SYS 1 IN TEST STATUS AUX DEVICE TYP SYS 2 LP CR 9-3 A

CORE SPRAY SYS 1 INJECTION VALVES THERM OVERLOAD AUX DEVICE LOCAL TYP FOR SYS 2 I. THE CONTROL SYSTEM AS DRAWN SHOWS SYSTEM W OPERATING SEQUENCE AFTER LOW WATER LEVEL OR HIGH DRYCELL PRESSURE SIGNAL IS AS FOLLOWS:

WITH Pl ANT ON NORMAi AIIXII !ARY POWER TIME DEIAY CONDITION A ACTIVE PIIMPS*

14-1A SYSTEM I -

STARTS -

AFTER 10 SEC DELAY VALVES:

14-11A 14-12A SYSTEM OPENS AFTER REAC. LOW PRESS. PERM. IF CLOSED SYSTEM I -

OPENS AFTER REAC. LOW PRESS. PERM. IF CLOSED 14-26A SYSTEM CLOSES IF OPEN -

NO DELAY 14-5A SYSTEM CLOSES AFTER FLOW ESTABLISHED CONDITION B ACTIVE PIIMPS*

14-1A WITH Pl ANT ON STANDBY DIESEi POWER TIME DEi AY 10 SEC VALVES: SAME SEQUENCE AS CONDITION A

2.

SYSTEM II CIRCUIT IDENTICAL TO CIRCUIT FOR SYSTEM I EXCEPT COMPONENT PARTS ARE IDENTIFIED AS FOLLOWS:

PUMP MIN FLOW BYPASS VALVE OUTBOARD !SOL VALVE INBOARD !SOL VALVES CHECK VALVES PUMP SUCTION VALVE TEST BYPASS VALVE SYSTEM I 14 -

1A 14 -

5A 14 -

11A 14 -

12A CS-CV-18CV 14 -

7A 14 -

26A SYSTEM II 14 -

1B 14 -

58 14 -

118 14 -

128 CS-CV-19CV 14 -

7B 14 -

268

3.

PUMP MOTOR CIRCUITS SHALL PROVIDE FOR OVERLOAD PROTECTION OVERLOAD RELAYS TO BE APPLIED SO AS TO MAINTAIN POWER AS LONG AS POSSIBLE WITHOUT IMMEDIATE DAMAGE TO MOTOR OR HARM TO ENERGIZED POWER SYSTEM. VALVE MOTORS SHALL BE PROTECTED BY OVERLOAD ALARMS.

4.

ALL PART NO'S ARE PREFIXED BY 14A EXCEPT WHERE OTHERWISE SHOWN.

9-3 CR

cp:

/I, r

3 POSITION SW. "STOP" "AUTO" "START" SPRING RETURN TO "AUTO" FROM "STOP" "START"

\\ AUX

\\DEVICE LP

/

\\ LIMIT ON

/

\\,_is_w_1T_c_H_.....

vA_L_v_E __,

9-3 CR I PMIS f rLE 1 I I

9-3 CR W-

/1'

5.

MOTIVE POWER FOR SYSTEM I PUMPS SHALL ORIGINATE FROM A DIFFERENT EMERGENCY AC BUS THAN POWER FOR SYSTEM 11 PUMPS.

POWER FOR VALVES IN EACH SYSTEM SHALL ORIGINATE FROM THE SAME BUS SUPPLYING PUMP POWER. CONTROL POWER FOR PUMPS AND VALVES OF SYSTEM I SHALL BE FROM A DIFFERENT SOURCE THAN CONTROL POWER FOR SYSTEM II.

9-3

(/)

z 0 en Cj c:::

ci

z

/

R

/

/

R

/

CR OPEN CLOSE REVERSING CONTACTOR {42)

  • TEST BY-PASS VALVE MO 14-26A r

THROTTLING TYPE (NOTES 2 & 3) 2 POSITION SW. "CLOSE" "OPEN" MAINTAINED CONTACTS KEYLOCK IN "OPEN" POSITION CONTROL SWITCH IN 'OPEN' POSITION CONTROL SWITCH IN 'CLOSE' POSITION RMS CR RMS CR 9-3 9-3

/:

VALVE LIMIT SW\\

PERMISSIVE WHILE OPENING

/

VALVE TORQUE SW\\

PERMISSIVE WHILE CLOSING

\\

LIMIT SWITCH ON

/

VALVE

\\

TORQUE ON

/

SWITCH VALVE 9-3 OPEN CLOSE REVERSING CONTACTOR {42)

  • SUCTION VALVE MO 14-7A THROTTLING TYPE (NOTES 2 & 3)

CORE SPRAY SYS ONE VALVE MTR THERMAL OVLD AUX I

DEVICE LOCAL CORE SPRAY SYS LOGIC POWER FAILURE AUX I

DEVICE LP w

/1' CR CORE SPRAY SYS ONE ACTUATED AUX I DEVICE LP TYP FOR SYS 2 TYP FOR SYS 2 TYP FOR SYS 2 1

2 3

CONTROL SWITCH IN "START" POSITION RMS CR 9-3

/

NOT PERMISSIVE WHEN STOP SIGNAL JS PRESENT CONTROL SWITCH IN "STOP" POSITION RMS CR 9-3 CR

~

/1'

\\AUX I

\\DEVICE LP CR w

/1' PMIS INPUT POINT N906, 14-1A (N907, 14-18) 9-3 START CORE SPRAY FLOW LESS THAN LOW FLOW POINT AM-45A CR 9-3 9-3 t

I STOP AIR CIRCUIT BREAKER (52) '

CORE SPRAY PUMP 14-1A(B)

NOTES 2 & 3 CONTROL SWITCH IN "OPEN" POSITION RMS CR 9-3 CONTROL SWITCH IN "CLOSE" POSITION RMS CR 9-3 PMIS INPUT POINT 1------------ NOOO, SYSTEM A

{N001, SYSTEM BJ

/:

VALVE LIMIT SW\\

PERMISSIVE WHILE OPENING

\\ LIMIT

\\SWITCH ON VALVE OPEN I

CLOSE REVERSING CONTACTOR (42) '

CORE SPRAY FLOW GREATER THAN LOW FLOW POINT AND AFTER TIME DELAY AUX DEVICE CR 9-3

/

VALVE TORQUE SW\\

PERMISSIVE WHILE CLOSING

\\

TORQUE SWITCH ON VALVE CR

/

MINIMUM FLOW BY-PASS VALVE MO 14-5A NOTES 2 & 3 4

5 G

6

/

9-3 OPEN REVERSING CONTACTOR { 42)

  • CLOSE
6.

FOR LOCATION AND IDENTIFICATION OF INSTRUMENTS SEE INSTRUMENT DATA SHEET LISTED IN MPL FOR EACH INSTRUMENT.

7. THE CORE SPRAY SYSTEM SHALL BE DESIGNATED IN ACCORDANCE WITH "PROPOSED CRITERIA FOR NUCLEAR POWER PLANT PROTECTION SYSTEM IEEE 279" INSOFAR AS PRACTICABLE.

CORE SPRAY INBOARD VALVE MO 14-12A REFERENCE DRAWINGS:

CR '

/

CONTROL SWITCH IN "OPEN" POSITION RMS CR 9-3

/:

VALVE LIMIT SW\\

PERMISSIVE WHEN FULLY CLOSED

\\ LIMIT ON VALVE/

\\SWITCH MJ '°

/

VALVE LIMIT PERMISSIVE WHILE OPENING

\\

ILIMIT ON

/

SWITCH VALVE

1.--------

---ffi PMIS TABLE 1 NOTES 2 & 3 CONTROL SWITCH IN "CLOSE" POSITION RMS CR 9-3

/:

VALVE TORQUE SW\\

PERMISSIVE WHILE CLOSING

\\

TORQUE ON

/

SWITCH VALVE NOT PERMISSIV\\

WITH AUTOMATIC OPEN SIGNAL

\\ AUX

\\DEVICE LP

/

CR 9-3 I I

,~~--------,......~~/

I OPEN CLOSE REVERSING CONTACTOR ( 42)

  • CORE SPRAY OUTBOARD VALVE MO 14-11 A NOTES 2 & 3 8

G

>-3-72A LP

-~---~

TYP 2-3-728 TYP 2-3-72C TYP 2-3-72D PMIS INPUT POINT

{SEE TABLE 1)

VALVE NOT FULLY CLOSED LIMIT ON SW VALVE TABLE 1 PM IS '

VALVE N812 MO 14-11A -----1 N813 MO 14-12A -----1 N814 MO 14-118 -----1 N815 MO 14-128 REACTOR LOW PRESSURE PSL 2-3-52A2 TYP 2-3-52C2 TYP 2-3-528 TYP 2-3-520 LP DRAWING GENERATED MPL. NO.

1.

I 48F976BC

2.

209A4756

3.

718E846BC

4.

730E14088

5.

729E517BC

6.

729E589BB

7.

730E149B8

8.

729E12888

9.

791E265 LEGEND:

P&ID CORE SPRAY SYSTEM LOGIC SYMBOLS P&ID NUCLEAR VESSEL INSTR.

FCD RESIDUAL HEAT REMOVAL SYSTEM FCD RCIC SYSTEM FCD HPCI SYSTEM FCD NUCLEAR BOILER MISC. SYSTEM P&ID RHR SYSTEM ELEM. DIA. CORE SPRAY SYSTEM SWITCHGEAR DEVICE FUNCTION NUMBERS USAS SPEC C37.2.

VALVES OPEN CLOSE CS-CV-18CV LOCAL CHECK VALVE {NOTE 2)

INFORMATION BY NPPD CR

' G

/

/

9-3 ONLY 452005211 CADD DRAWING DO NOT REVISE MANUALLY 9-3.-------------~---------------~----~-----~----.------'-------------~---

/

SIGNIFICANT NUMBER GROUP COOPER FUNCTIONAL CORE 9

2 3

4 5

NUCLEAR STATION CONTROL DIAGRAM SPRAY SYSTEM 10 1 1 6

DRAWN DR CHECKED APPROVED FILMED DATE 9-28-93 DATE DATE GENERAL ELECTRIC*

0 0

~u Ii:

729E40288 SH.1 RE.VISION N06 ~

12 A

B C

D E

F G

H J

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