ML23129A426

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1 to Updated Safety Analysis Report, Drawing 730E805BA, Rev. 1, Sheet 1, Functional Control Diagram Neutron Monitoring System
ML23129A426
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: ... further results
References
NLS2023022
Download: ML23129A426 (1)
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Text

A B

C D

E F

G H

J ci

z 1

!RM CHANNELS A,C,E,G 2

3 SRM CHANNELS A,C AUTO SIGNAL II !RM RANGE

~

SWITCH NOT ON RANGE 8 OR ABOVE G]

!RM RANGE 18 SWITCH ON LONGEST TWO RANGES PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT

!RM CHANNELS A,B,E,F

~

UPSCALE ALARM ON LEVEL SRM DOWNSCALE ALARM ON LEVEL, AND SWITCH NOT IN LOWEST RANGE POSITION ALARM ON INSTRUMENT INOPERATIVE UPSCALE ALARM ON LEVEL ALARM ON INST. INOP.

DOWNSCALE ALARM ON LEVEL PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT DET. RET. PERMISSIVE (DOWNSCALE) ALARM ON LEVEL AND G:J DET NOT IN "START-UP" POSITION

~

IRM RANGE PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT APRM CHANNELS A,D,E L

,rn,_L_-_1N_"_Po_s_1_T_1o_N ___

UPSCALE ALARM ON LEVEL 4

REF 2 SH 5 l ZONE H-3, -

,L _ ---_

/ (REACTO-::,YSTEM

\

MODE SWITCH)

{

PERMISSIVE WHEN

\

\ RUN SWITCH IS ON /

- _J 5

REF 2 SH 5 ZONE H-4 PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT APRM CHANNELS A,D,E

~

DOWNSCALE ALARM ON LEVEL RBM CHANNELS A

~

DOWNSCALE ALARM ON LEVEL RBM CHANNELS A,B B GAIN ADJUST IN PROCESS ALARM ON INSTRUMENT INOPERATIVE I

FLOW UNIT CHANNEL A GJ UPSCALE ALARM ON LEVEL

~

ALARM ON INSTRUMENT INOPERATIVE

~

ALARM ON COMPARATOR RBM CHANNEL A

PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT 6

PERMISSJVE WHEN AUTO SIGNAL NOT PRESENT REF 2 ZONE C-10 APRM CHANNELS B,C,F

~

DOWNSCALE ALARM ON LEVEL RBM CHANNELS B

DOWNSCALE ALARM ON LEVEL REF 2 SH 5 ZONE D-10 CONTROL ROD WITHDRAWAL PERMITTED BY THIS FUNCTION IF SIGNAL IS PRESENT AT THIS POINT FIGURE 1 NEUTRON MONITORING SYSTEM ROD WITHDRAWAL BLOCK I

,-_t----.

/ (REACTOR SYSTEM

\

f MODE SWITCH)

\

\

PERMISSJVE WHEN

\ RUN SWITCH IS ON /

_ _j PERMISSJVE WHEN AUTO SIGNAL NOT PRESENT PERMISSJVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT REF 2 SH 5 ZONE H-7 8

PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSJVE WHEN AUTO SIGNAL NOT PRESENT REF 2 SH 5 ZONE H-6 AUTO SIGNAL 9

SRM CHANNELS B,D UPSCALE ALARM ON LEVEL ALARM ON INST INOP SRM CHANNELS B,D 10 PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT DOWNSCALE ALARM ON LEVEL PERMISSJVE WHEN AUTO SIGNAL NOT PRESENT APRM CHANNELS B,C,F DET. RET. PERMISSIVE (DOWNSCALE) ALARM ON LEVEL AND G:J DET NOT IN "START-UP" POSITION IRM CHANNELS C,D,G,H UPSCALE ALARM ON LEVEL DOWNSCALE ALARM ON LEVEL, AND SWITCH NOT IN LOWEST RANGE POSITION G:;J ALARM ON INSTRUMENT INOPERATIVE G] DET NOT IN "FULL-IN" POSITION UPSCALE ALARM ON LEVEL ALARM ON INSTRUMENT INOPERATIVE FLOW UNIT CHANNEL B 1 1 12 IRM CHANNELS B,D,F,H N01 REV &

REDRAWN PER APA DCN C93-1575 DR JAC SJT 11-9-93 IRM RANGE SWITCH NOT ON RANGE 8 OR ABOVE IRM RANGE SWITCH ON LOWEST TWO RANGES EJ IRM RANGE NO.

REVISIONS DCN REVISIONS I.. FOR PREVIOUS REVISIONS, SEE SUPERSEDED CARDS.

I

_J NOTES:

1. INPUTS TO COMPUTER ARE ISOLATED CONTACTS.
2. SEE SHEET 7.
3. SEE SHEET 7.
4. THE ENTIRE NEUTRON MONITORING SYSTEM IS A FULLY AUTOMATIC SYSTEM EXCEPT FOR REMOTE MANUAL OPERATED SWITCHES.
5. FOR LOCATION AND IDENTIFICATION OF INSTRUMENTS SEE MPL ITEM NUMBER 9-61.

DFT CKD APP DATE BY N.P.P.D.

GJ UPSCALE ALARM ON LEVEL SEE REF 2

6. THESE FUNCTIONS ARE ALSO IN THE NEUTRON MONITORING SYSTEM, NON-COINCIDENT TRIP, (INITIAL LOADING ONLY) FIG 3, SH 1, ZONE (G,H-10,11).

~

ALARM ON INSTRUMENT INOPERATIVE

~

ALARM ON COMPARATOR RBM CHANNEL B

I REFERENCE DOCUMENTS*

1. 729E223 BB -

NEUTRON MONITORING SYSTEM JED.

2. 729E471 BB -

CONTROL ROD DRIVE HYO. SYSTEM FCD.

3. 730E149 BB -

NUCLEAR BOILER SYSTEM FCD.

4. 729E222 BB -

REACTOR PROTECTION SYSTEM FCD.

5. 209A4756 LOGIC SYMBOLS REFERENCE SPECIFICATIONS:
1. 22A1796RAL DESIGN SPEC FOR PROCESS COMPUTER MPI ITEM NO 7-0 3-7 2-203 5-0 LJ~

UPSCALE ALARM ON LEVEL (PART OF ROD WITHDRAWAL BLOCK SYSTEM SHOWN ON REFERENCE DRAWING 2)

UPSCALE ALARM ON LEVEL J ALARM ON INSTRUMENT INOPERATIVE SYSTEM INPUT-OUTPUT DATA REQUIREMENTS

2. 22A2811 DESIGN SPEC -NEUTRON MONITORING SYSTEM IRM CHANNEL A,E(B,F)

~

UPSCALE TRIP ON LEVEL G:;J TRIP ON INSTRUMENT INOPERATIVE 1

I PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT

~

~LARM ON INSTRUMENT INOPERATIVE ----*

CONTROL ROD WITHDRAWAL PERMITTED BY THESE FUNCTIONS IF SIGNAL IS PRESENT AT THIS POINT SEE REF 4 SH 2 ZONE E-2 PERMISSIVE ~

WHEN REACTOR MODE SWITCH IN RUN POSITION PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT

~

A,E(B,F)

REF 2 SH 5 ZONE D-9 APRM CHANNELS DOWNSCALE ALARM ON LEVEL APRM CHANNELS A,E(B,F)

C,E(B,D)

C,E(D,B)

L PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT GJ UPSCALE TRIP ON LEVEL 2

REACTOR NEUTRON MONITORING SYSTEM A 1 D524 B 1-D525

&--ii SEE REF 4 SH 2 ZONE AlB 1 3

G;J TRIP ON INSTRUMENT INOPERATIVE E-2 FIGURE 2 NEUTRON MONITORING SYSTEM TRIP REACTOR PROTECTION SYSTEM TRIP SYSTEM A (TYPICAL FOR TRIP SYSTEM B) 4 5

CONTROL ROD WITHDRAWAL PERMITTED BY THESE FUNCTIONS IF SIGNAL IS PRESENT AT THIS POINT PERMISSIVE WHEN REACTOR MODE SWITCH IN RUN POSITION PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT SEE REF 4 SH 2 ZONE 8-11 PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT I

REF 2 SH 5 ZONE D-10

!RM CHANNEL C,G(D,H)

~

UPSCALE TRIP ON LEVEL G:;J TRIP ON INSTRUMENT INOPERATIVE PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT J

6 REACTOR NEUTRON MONITORING SYSTEM Az-D526 B 2-D527 INFORMATION ONLY 8

SEE REF 4 SH 2 ZONE 8-13 SEE REF 4 SH 2 ZONE B-13 PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT FIGURE 3 AUTO SIGNAL

  • UPSCALE TRIP ON LEVEL AUTO SIGNAL SRM CHANNELS A,C,B, OR D IRM CHANNELS A,C,E,G,B,D,F, OR H

~

UPSCALE ALARM ON LEVEL G:;J TRIP ON INSTRUMENT INOPERATJVE UPSCALE TRIP ON LEVEL APRM CHANNELS A,C,E,G,B,D, OR F TRIP ON INSTRUMENT INOPERATIVE

{

BYPASS OF !RM CHANNELS C,E,D, & F JS NOT ALLOWED

{

NOT NEEDED FOR PROTECTION. FOR CONVENIENCE ONLY NEUTRON MONITORING SYSTEM NON-COINCIDENT TRIP (INITIAL LOADING ONLY)

REACTOR PROTECTION SYSTEM TRIP SYSTEM A SHEET NUMBER 0---MATCH NUMBER

~ZONE OR REF DWG (TYPICAL FOR TRIP SYSTEM B)

  • THIS DRAWING GENERATED BY NPPD SIGNIFICANT NUMBER GROUP 2

3 4

5 COOPER NUCLEAR STATION FUNCTIONAL CONTROL DIAGRAM NEUTRON MONITORING SYSTEM 9

10 1 1 6

MATCH CIRCLE 452005327 DRAWN DR CHECKED APPROVED SJT FILMED DATE 9-28-93 DATE DATE 11-9-93 GENERAL ELECTRIC*

730E805BA SH. 1 REVISION N01 12 OJ (0

0 0

0

~u Ii:

A B

C D

E F

G H

J

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