ML20203J886

Rev 7 to AP-961, Earthquake

ML20203J886
Person / Time
Site:	Crystal River
Issue date:	12/10/1997
From:	FLORIDA POWER CORP.
To:
Shared Package
ML20203J799	List: ML20203J795 ML20203J805 ML20203J819 ML20203J823 ML20203J833 ML20203J840 ML20203J846 ML20203J857 ML20203J867 ML20203J878 ML20203J886 ML20203J900 ML20203J919
References
AP-961, NUDOCS 9712220125
Download: ML20203J886 (13)

Text

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EARTHQUAKE 1.0 ENTRY CONDITIQH1 If an earthquake is suspected, MD seismic recorder indicates a seismic event has taken place, JHfjj use this procedure.

2.0.. IMMEDIATE ACTIONS HQIE There are no immediate actions for this procedure. 'j i

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Approved by HNPO Date/2 /b /f/

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AP 961 PAGE 1 of 13 EQ 9712220125 971211 PDR ADOCK 05000302 P PDR t.

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.. 3.0 FOLLOW.UP ACTIONS ACTIONS DETAILS-3.1- Notify personnel of plant

• STA conditions.

• Plant Operators v SSOD (evaluate plant conditions for potential entry into the Emergency Plan) 3.2 :1f the Rx is 1101 critical.

IE W GO TO Step 3.7 in this procedure.

3.3 _ 1.E any asymmetric control rod exists,-

-lHQ trip the Rx and CONCURRENTLY PERFORN E0P 2. Vital System Status O Verification, beginning with Step 2.1 -

-3.4 Verify quadrant power tilt is within limits.

See COLR.

, , _ , , if OJadrant power tilt is MQI within limits.

JHG trip the Rx and CONCURRENTLY PERFORN E0P-2,. Vital System Status Verification, beginning with Step 2.1 AP-961. REV 07 PAGE 3 of 13 EQ

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, 3.0 FOLLOW-UP ACTIONS (CONT'D) 7- g 1, ) -. -ACTIONS DETAILS 3.5 -Verify imbalance within limits.-

See OP 103D, Withdrawal-Limit Curves.

__ J1 imbalance is N_0I Q within limits, ',

IBEN trip the Rx and -

CONCURRENTLY PERFORM '

E0P 2, Vital System Status Verification, beginning with Step 2.1 3.6 __. lE it is determined that e CONCURRENTLY PERFORM AP-510, Rapid vibration is NOT due to Power Reduction beginning with

-plant equipment, Step 3.1 ld[B start a controlled plant shutdown.

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.- __3.0 F0LLOW-UP ACTIONS (CONT'D)-

} ACTIONS DETAILS

-3.7 Verify RCS integrity. .

• Monitor available parameters:

RC PRESS:

PZR level- ,

MUT level 4 RB Sump level  !

RCS level e Notify PPO to inspect AB Sump level.

Jf RCS integrity is lost, Itif3 CONCURRENTLY PERFORM AP-520: Loss of RCS Coolant or Pressure.

O 3.8 _ Verify BWST is @l in --

recirculation with SF cooling.

1[ the BWST is 1 Stop recirculation.

recirculation _ with SF cooling. 2 Notify PP0 to ensure SFV-13 THEN stop recirculation. "BWST Supply Iso" is closed (119 ft AB by SFPs).

3 . 9_. Notify Chemistry to sample

• RCS for fuel failure, e SF Pool-AP-961 REV 07 PAGE 7 of 13 J EQ

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. 350 FOLLOW-UP ACTIONS (CONT'D)

- 'H Q ACTIONS DETAILS-

-3.10 Verify SF Pool integrity.

• SF pool level e' Notify PPO to inspect SF pool.

liner telltale drains (95 ft AB MVPcubicles).

E a rise in SF Pool leakags has occurred, JH W contact TSC for guidance.

4 3.11 E refueling canal. level is lowering.

IliG CONCURRENTLY PERFORM AP-1080, Refueling Canal

' Level Decrease beginning ,

with Step 3.1 b

Seismic activity may result in spurious operation of the sudden pressure relays for the Off-Site Power Transformer or the BEST resulting in a loss of off-site power.

3 .12 .___, Verify ES 4160V buses are energized.

E either ES 4160V bus is t@I energized.

-It!G CONCURRENTLY PERFORM AP-770, Diesel Generator

-Actuation beginning with Step 3.1

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-e e 3.0 FOLLOW-UP ACTIONS-(CONT'D)

ACTIONS DETAILS-stir  !

Evaluation of plant alarms should consider spurious actuation due to seismic activity.-- ,

3.13 ___ Perform a physical review -e Review the following:

of entire plant.-

Sump levels, radiation monitors and tank levels for possible leaks System status relative to alarms,-lockouts and configuration that _may be a ,

result of. relay chatter e Notify PPO to review the following:

Containment integrity Dhysical plant structures and equipment to determine if damage inhibits the safe' operation of plant equipment 4

e Notify SP0 to review the following:

H, tank for possible -leak of explosive gas Fire Service Storage Tarks for leak (s) 1 Physical plant structures and equipment to determine if damage inhibits the safe operation of plant equipment e .

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-v '3i0 FOLLOW-UP ACTIONS (CONT'D).

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l ACTIONS

- DETAILS-3.14 Revies current lpl' ant .  !

-activities for any. actions .t that.may have caused the ivibrations.

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=3,15 Notify MNP0_to ' determine  !

. subsequent actions and additional surveillance

requirements based on results of physical inspection and follow up

. action.

s 3.16 _ Notify-I&C Supervisor to perform PT-378, Functional Testing and Calibration of the Triaxial Time-History

. Accelographs and Triaxial Seismic Switch, Section -

4.2, Action Following a Seismic' Event..

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. EXIT this procedure, f

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