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.v 4 w The =cs: rapid way to initiate ECCS injecticn systems (EP CS , LPCS , LPCI) is by arming and depressing the respective divisional initiation push-w,a. | .v 4 w The =cs: rapid way to initiate ECCS injecticn systems (EP CS , LPCS , LPCI) is by arming and depressing the respective divisional initiation push-w,a. | ||
~ .. .c.. s . | ~ .. .c.. s . | ||
f_/ 3.1.1 Condensate Ecoster ( 0 4 01-N19 -1) (435 - O psig) f | f_/ 3.1.1 Condensate Ecoster ( 0 4 01-N19 -1) (435 - O psig) f(( 3.1.2 Cendens ate ( 0 4-1-01-N19 -1) (270 - O psig) f[7 3.1.3 HPCS (04-1-01-E22-1) (1103 - O psig) f[7 3.1.4 LPCI A ( 0 4 01-E12 -1) (310 - O psig) | ||
/7 3.1.5 LPCI 3 ( 0 4-1-01-E12-1) (310 - O esiv) | /7 3.1.5 LPCI 3 ( 0 4-1-01-E12-1) (310 - O esiv) | ||
((7 3.1.6 LPCI C (04-1-01-E12-1) (310 - O psig) | |||
((/ 3.1.7 LPCS ( 0 4-1-01-E 21-1) (503 - 0 r sic)- | |||
/7 3.2 If less than tac iniecticn subsystems (paragraph 3.1) can be lined up, then ec=nence lining up as many of the follcwing alternate | /7 3.2 If less than tac iniecticn subsystems (paragraph 3.1) can be lined up, then ec=nence lining up as many of the follcwing alternate | ||
-:- injection subsystems as possible, but do not injection with these alternate injection subsyste=s at this time. | -:- injection subsystems as possible, but do not injection with these alternate injection subsyste=s at this time. | ||
Line 102: | Line 102: | ||
9ITLE:' Level Restoration No.05-S-01-EP-4 REV. d PAGE 3 cf 4 | 9ITLE:' Level Restoration No.05-S-01-EP-4 REV. d PAGE 3 cf 4 | ||
/_7 3.5.2 Determine the availability of RCIC and perform the following actions: | /_7 3.5.2 Determine the availability of RCIC and perform the following actions: | ||
((7 a. Il RCIC is not ready for operation and RPV pressure is increasing, then proceed to EP-5 (Rapid RPV Depressurination). | |||
~ | ~ | ||
/7 b. If RCIC is not ready for operation and RPV pressure is not increasing or is steady, then proceed to EP-1 (Level Control) at paragraph 3.3. , | /7 b. If RCIC is not ready for operation and RPV pressure is not increasing or is steady, then proceed to EP-1 (Level Control) at paragraph 3.3. , | ||
/E7 c. If RCIC is ready for operation and RPV water level incresaes to +10", then pr:eeed to EP-1 (Level Control) at paragraph 3.3. | /E7 c. If RCIC is ready for operation and RPV water level incresaes to +10", then pr:eeed to EP-1 (Level Control) at paragraph 3.3. | ||
((7 3.5.3 Determine RPV pressure and perform the following actions: | |||
-/7 a. If RPV oressure i,s increasing then proceed to EP-5 (Rapid RPV Depressurl:ation). | -/7 a. If RPV oressure i,s increasing then proceed to EP-5 (Rapid RPV Depressurl:ation). | ||
((7 b. | |||
^ | ^ | ||
If RPV cressure is not increasing then proceed to EP-1 (Level Control) at paragraph 3.3. | If RPV cressure is not increasing then proceed to EP-1 (Level Control) at paragraph 3.3. | ||
Line 114: | Line 114: | ||
[]7 a. If ROIC is not operating, then restart RCIC. | []7 a. If ROIC is not operating, then restart RCIC. | ||
/7 b. If CRD is not operating and no injection subsystem is lined up for injection with pumps running, then start pumps in all alternate injection subsystems which are lined up for injections (Systems listed in paragraph 3.2). | /7 b. If CRD is not operating and no injection subsystem is lined up for injection with pumps running, then start pumps in all alternate injection subsystems which are lined up for injections (Systems listed in paragraph 3.2). | ||
((7 c. Il CRD is not operating but at least two injection subsystems are lined up for injection with pumps running, then proceed to EP-5 (Rapid RPV Depressurization; | |||
~ | ~ | ||
/7 d. When RPV water level droos to TAF, perform the actions of (1) or (2) below: | /7 d. When RPV water level droos to TAF, perform the actions of (1) or (2) below: | ||
Line 208: | Line 208: | ||
.u.. | .u.. | ||
',h... - | ',h... - | ||
e &/ ~ | e &/ ~ | ||
w | w |
Latest revision as of 16:05, 15 March 2020
ML20003F495 | |
Person / Time | |
---|---|
Site: | Grand Gulf ![]() |
Issue date: | 04/15/1981 |
From: | MISSISSIPPI POWER & LIGHT CO. |
To: | |
Shared Package | |
ML20003F494 | List: |
References | |
05-S-01-EP-4, 5-S-1-EP-4, NUDOCS 8104210408 | |
Download: ML20003F495 (6) | |
Text
.
GP/,S O GU$F SUCLEAR STATION DIERGENC'l PROCEDCE:
n-
..U PLANT CPERATIONS MANUAL
' Volume 5 0 5- S-01-EP-4 Secticn i Revision C Date:
EMERGENCY PROCEDURE .
LEVEL RESTORATION SAFETY RELATED Prepared: '
' Date Reviewed: Date Technical Review Reviewed: ' ' ' ~ '
Date Operations Superintenden:
Reviewed: ' ' '
Date '
Nuclear Plant Qualit;r Superintendent Approved: - '
Date -
Assistant Plant Manager PSRC: Date List of Effective Pages :
Pace: Revisicn:
l 1- Rev. C I
Attachment Rev. C t
l
-8.10.4 2.10 Y07 yv -4y 7 w -p ----- - - - , - - ,,+,_e,-* -.m g-,-,ow- .py--
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2.0 ENTRY CCNDITICNS Enter this procedure frc= IP-1 (Level Centrol) er EP-2 (Cocidewn) when RP water level cannot be determined cr maintained above TAT.
NOTE TAF = 0" as read on . the following fuel :ene instru=entation :
P601 - RER Section - 321-R615 P601 - RCIC Section - 321-R610 3.0 OPERATOR ACTICNS
%. 0.p .
System SCI and available pressure ranges are indicated for each svsta=.
. C. _ _r
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_ -- d availability and ease of utilization. The chcice of using the felicwing systems may vary with plant ccnditions .
27 3.1 Line up for injection and start pu=ps in at least two of the fc_lcwi injection subsyste=s:
.,.n
.v 4 w The =cs: rapid way to initiate ECCS injecticn systems (EP CS , LPCS , LPCI) is by arming and depressing the respective divisional initiation push-w,a.
~ .. .c.. s .
f_/ 3.1.1 Condensate Ecoster ( 0 4 01-N19 -1) (435 - O psig) f(( 3.1.2 Cendens ate ( 0 4-1-01-N19 -1) (270 - O psig) f[7 3.1.3 HPCS (04-1-01-E22-1) (1103 - O psig) f[7 3.1.4 LPCI A ( 0 4 01-E12 -1) (310 - O psig)
/7 3.1.5 LPCI 3 ( 0 4-1-01-E12-1) (310 - O esiv)
((7 3.1.6 LPCI C (04-1-01-E12-1) (310 - O psig)
((/ 3.1.7 LPCS ( 0 4-1-01-E 21-1) (503 - 0 r sic)-
/7 3.2 If less than tac iniecticn subsystems (paragraph 3.1) can be lined up, then ec=nence lining up as many of the follcwing alternate
-:- injection subsystems as possible, but do not injection with these alternate injection subsyste=s at this time.
G? bD GUhF NUCLEAR STATION EMERGENCY PROCEDURE t
. 4 i EITLE: Level Restoration NO. 05-5-01-EP-4 REV.O PAGE 2 of 4 i e
.O 3.2.1 Standby Service Water crosstie (150 - O psig)
- a. Fill any tank that can be pumped to the RPV O 3.2.3 ECCS flush connections from the Condensate Transfer System.
O 3.2.4 SLC (test tank) (04-1-01-C41-1) (1103 - O psig)
O 3.2.5 SLC (boron tank) (04-1-01-C41-1) (1103 - O psig)
-/7 3.3 If at any time RPV water level cannot be determined but at least oHeinjection or alternate injection subsystem is lined up for injection with at least one pump running, then proceed to EP-5 (Rapid RPV Depressurization) .
~~
// 3.4 If at any time RPV water level cannot be determined and no injection or alternate injection subsystem is lined up for injection with at least one pump running, then proceed to EP-6 (Core Cooling Without Injection).
O 3.5 Monitor RPV pressure and water level and perform only the steps listed in Table A.
/7 3.5.1 If at any -time the RPV water level trend reverses or RPV pressure changes region, then return to Table .C NOTE 500 psig = LPCS Shutoff Head 50 psig = BCIC Low Steam Pressure Isolation Setpoint l
l RPV LEVEL INCREASING INor INCREASING l
l
' HIGH fr'oce ed + o G P-I (i.evel Contreiht" (500psig) '
Step 3,5,4f j rNTrAmenar
(
i Step 3 5,2 j (50psig) (50psig) -
t i
LOW Step 3,5J Step 3,5.5 TABLE A 1
GRA'!D GULF NUCLEAR STATICN E2ERGINCY PRCCEDURE t
9ITLE:' Level Restoration No.05-S-01-EP-4 REV. d PAGE 3 cf 4
/_7 3.5.2 Determine the availability of RCIC and perform the following actions:
((7 a. Il RCIC is not ready for operation and RPV pressure is increasing, then proceed to EP-5 (Rapid RPV Depressurination).
~
/7 b. If RCIC is not ready for operation and RPV pressure is not increasing or is steady, then proceed to EP-1 (Level Control) at paragraph 3.3. ,
/E7 c. If RCIC is ready for operation and RPV water level incresaes to +10", then pr:eeed to EP-1 (Level Control) at paragraph 3.3.
((7 3.5.3 Determine RPV pressure and perform the following actions:
-/7 a. If RPV oressure i,s increasing then proceed to EP-5 (Rapid RPV Depressurl:ation).
((7 b.
^
If RPV cressure is not increasing then proceed to EP-1 (Level Control) at paragraph 3.3.
2[7 3.5.4 With RPV water level not increasing perform the following actions:
[]7 a. If ROIC is not operating, then restart RCIC.
/7 b. If CRD is not operating and no injection subsystem is lined up for injection with pumps running, then start pumps in all alternate injection subsystems which are lined up for injections (Systems listed in paragraph 3.2).
((7 c. Il CRD is not operating but at least two injection subsystems are lined up for injection with pumps running, then proceed to EP-5 (Rapid RPV Depressurization;
~
/7 d. When RPV water level droos to TAF, perform the actions of (1) or (2) below:
NOTE TAF = 0" as read on fuel zone intrumentation:
P601 - RER Section - B21-R615 P601 - RCIC Section - 321-R610 (1) If CRD is not ocerating and no injection or alternate injection subsy' stem is lined up for injection with at least one pump running, then proceed to EP-6 (Core Cooling Without Injection).
GRAND GULF NUCL E STATICN -
EMERGENCY PRCCECURE TITLE: Level Restoration NO. 05-S-01-EP-4 P.IV. 3 pAGE 4cf4 (2) M CRD is operating o_r_ any injection or alternate injection subsystem is lined up for injection with at least one pump running then proceed to EP-5 (Rapid RPV Depressurization)
L_/_ 3.5.5 Perform the following actions:
/7 a. If no injection subsystem is lined up for injection with at least one pump running, then start pumps in ,
alternate injectionc subsystems which are lined up for injection,
/7 b. If after performing substep 3.5.5.a, RPV pressure is increasing, then proceed to EP-5 (Rapid RPV'Depressuri-zation).
/7 c. If after performing substep 3.5.5.a RPV pressure _is not increasing, .and RPV water level decreases to TAF, then proceed to EP-7 (Core Cooling Without Level Restora-
- tion).
/7 d. If no injection or alternate injection subsystem is lined ~
up with pumps runIiing and when RPV level decreases to TAF, then proceed to EP-6 (Core Cooling Without Injection) k l
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