ML19318D240

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Emergency Operating Procedure, Anticipated Transients W/O Trip (Atwt), Revision 0
ML19318D240
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 06/04/1980
From:
ALABAMA POWER CO.
To:
Shared Package
ML19318D229 List:
References
FNP-2-EOP-15.0, NUDOCS 8007080243
Download: ML19318D240 (4)


Text

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FNP-2-EOP-15.0 June 4, 1980

(, g Revision 0 FARLEY NUCLEAR PLANT EMERGENCY OPERATING PROCEDURE FNP-2-EOP-15.0 S

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maintained Current. D Safety Related Activity.

Approved:

Operations Superint hdent Date Issued:

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A Diskette EOP-3

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REVISION NO. O l9 PAGE NO.

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5 FNP-2-EOP-15.0 FARLEY NUCLEAR PLANT UNIT 2

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EMERGENCY OPERATING PROCEDURE EOP-15.0 ANTICIPATED TRANSIENTS WITHOUT TRIP (HEWT) 1.0 Purpose This procedure provides guidelines for operator action in the event a reactor trip and/or turbine trip does not occur following an automatic trip signal.

2.0 Symptoms 2.1 Failure to obtain a reactor trip following an automatic reactor trip signal.

2.2 Failure to obtain a turbine trip following an automatic turbine trip signal.

3.0 Automatic Actions None 4.0 Immediate Operator Actions j-('

4.1 If a reactor trip does not occur following an automatic reactor trip signal then:

4.1.1 Attempt to manually trip the reactor from the Main Control Board.

If not successful, then:

4.1.2 Momemtarily de-energize load center 2D and 2E.

CAUTION Load centers 2D and 2E should be re-energized immediately and all necessary loads should be restarted.

4.2 If a turbine trip has not occurred following an automat c turbine trip signal, 4.2.1 Attempt to manually trip the turbine from the Main Control Board.

If the turbine does not trip, then:

4.2.2 De-energize the E.H. Pumps 2A & 2B from the Main Control Board.

Start all available auxiliary feed pumps and

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throttle as necessary to maintain S/G level in the narrow range.

If a turbine trip has not occurred, then:

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ENP-2-EOP-15.0 4.2.3 Close the MSIV's.

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5.0 Subsequent Ooerator Actions 5.1 If a reactor trip is not forthcoming after immediate action, then:

Go to local panel and manually open and rack out Reactor trip breakers and Reactor trip bypass breaker and flush the Boron Injection Tank to the Primary System as follows:

5.1.1 Stop the BIT Recirc Pumps 2A & 2B.

5.1.2 Close BIT Recirc Pmps to BIT Iso Vlv CVC-HV-8942.

5.1.3 Close BIT to BIT Recirc Pump Iso CVC-HV-8945A and CVC-HV-8945B.

5.1.4 Open Boron Injection Tank outlet valves CVC-MOV-8801A and CVC-MOV-8801B.

5.1.5 Open Boron Injection Tank inlet iso CVC-MOV-8803A and CVC-MOV-8803B.

5.2 If following an automatic turbine trip signal,

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the turbine does not trip and causes an'-uncontrolled l

cooldown, emergency borate in accordance with EOP-6.0.

5.3 When a reactor trip does occur, refer to EOP-5.0.

5.4 When a turbine trip does occur, refer to AOP-3.0.

5.5 If a safety injection signal occurs, refer to EOP-0.

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