ML20203J900

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Rev 4 to AP-1050, Flooding
ML20203J900
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 12/10/1997
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20203J799 List:
References
AP-1050, NUDOCS 9712220128
Download: ML20203J900 (11)


Text

. .

lNFORMATlON FLOOD ONEY4 ^e-2oso

'(p}., .-

FLOODING 1.0 ENTRY CON 0!TIONS

-If "COND PUMP PIT SUMP LEVEL HIGH" annunciator alarms, AND Any of the following conditions exist:

e Any running CDP'decouples ,

o Any CDP trips e Indication of flooding IEW use this procedure.

2,0 IMMEDIATE ACTIONS .

[h V There are no immediate actions for this procedure.

s Approved by MNPO // Date/2 /# /97

, {y y') (SIGNATUP/ ON FILE)

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-. '3.0 FOLLOW-UP' ACTIONS *

~ ACTIONS. DETAILS 3.1 Notify personnel of plant- e STA-conditions.

  • Plant Operators-e SS0D 3.2_ E RCS_is on-DHR, LEN trip all CWPs CWP-1A and EXIT this procedure.

CWP-1B CWP-IC

_,CWP-ID NQH TB flood levels which cause flooding of CC or AB are excessive.

3.3 E flooding is excessive,

-THEN ensure all CWPs CWP-iA tripped.

._,CWP-1B CWP-lC

, CWP-lD E flooding is LLOI excessive,-

THEN GO T0 Step 3.9 _in this procedure.

~~

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4 23.0 --F0LLOS UP ACTIONS (CONT'D)-

ACTIONS- - QETAILS i

3 . 41 __ :1E the Rx is NOT: tripped,.

1818 manually trip the Rx, and CONCURRENTLY PERFORM

. EOP-2, Vital System _ Status -  !

Verification beginning-with. Step 2.1-3 . 5 __ Ensure MFWPs tripped.

p FWP-2B

.3 . 6 . __ Ensure EFIC is actuated. 1 Depress "EFW INITIATE" push buttons on EFIC channels A and B.

2 Ensure at least one EFWP running:

, EFP-1 EFP-2 3 Ensure level in available OTSGs is at or trending to required level.

[ Rule'3, EFW Control]

-3.7 _. Stabilize'RCS temperature

.using ADVs.

' 3.8- EXIT:this procedure.

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. 3.0 FOLLOW-UP ACTIONS (CONT'D)

[}v ACTIONS DETAILS STATUS Flooding is not excessive.

3.9 _ Notify SP0 to determine source of flooding. .

3.10 _ lE source of flooding can be isolated, THEN isolate flooding Source, lE source of flooding can

- !10._I be isolated, CWP-1A

, THEN trip affected CWP.

p, I

CWP-lC

_ CWP-10

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e- 3.0 :F0LLOW-UP ACTIONS-(CONT'D) i ,.

() ACTIONS: DETAILS i3.ll Verify Rx power is below ,

allowable limit for CWP >

. configuration.  ;

See Table 1 if Rx power is HDI below e IE 3 CWPs running, allowable limit for CWP AND Rx powerLis 2 85%,

Econfiguration, .

181H 60 TO AP-510, Rapid Power IBih reduce Rx Power. Reduction, beginning with-Step 3.1 and reduce Rx power to

< 85%.

  • IE 2 CWPs running with 2 hotwells, .

AND Rx power is 2 60%,

IHEN GO TO AP-510, Rapid Power .,

Reduction, beginning with Step 3.1 and reduce Rx power to

< 60%.

('"'

  • If 2 CWPs running with ona hotwell, AND Rx power is 2 -45%,

Ibid trip the Rx and GO TO E0P-2, Vital System Status Verification, beginning with Step 2.1 e .L[ 2 CWPs running with one hotwell, AND Rx power is s 45%,

THEN trip the turbine and GO TO AP-660, Turbine Trip, beginning with Step 3.1

.3.12 ___ EXIT this procedure.

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-~ - - - -__m___m___._ __._ _

. , . . .-._-. - . . - . - = = . . - . . . . . . . . - . - . . . . _ _ . . .... _

CWP Combination Power Level ,

From 4 to 3 CWPs < 85%

T abl e '- 1 :~' From 3-to 2 CWPs '< 60%

CWP Operation (one in each hotwell) ,

Guidelines From 3 to 2 CWPs- . < 45%

(bothJin same hotwell)'-

o q

V  :-

4 4

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'AP-1050. -REV 04 PAGE 11 of 11.(LAST PAGE) FLOOD-

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