ML18101A677

Rev 10 to EOP 1-EOP-TRIP-3, Safety Injection Termination.

ML18101A677
Person / Time
Site:	Salem
Issue date:	07/11/1994
From:	Public Service Enterprise Group
To:
Shared Package
ML18101A674	List: ML18101A673 ML18101A675 ML18101A676 ML18101A677
References
1-EOP-TRIP-3, NUDOCS 9505020326
Download: ML18101A677 (10)

Text

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Page I of 3 SALEM OPERATIONS l-EOP-TRIP-3, Rev. 10 SAFETY INJECTION TERMINATION USE CATEGORY: I REVISION

SUMMARY

This is a major revision to the EOP's.

Revision Bars are not utilized for this change.

The revision numbers for all EOPs will move to rev. I 0. Presently, each EOP flowchart has its own respective revision number associated with it such that for a given procedure, EOP-SGTR-1 for example, the revision number on each flowchart is not the same. Future revisions to the EOPs will revise all documents associated with that specific procedure. i.e., when a change is made to EOP-TRIP-2, all EOP-TRIP-2 flowcharts and cover sheets will be updated to the same revision number.

The conditional action step before resetting Safety Injection (SI) has changed to address any single vital bus blackout. This change is a result of a revision request which addresses the required operator action should a single bus blackout loading occur. The intent of this step is that if a single bus blackout occurs after the SI is reset then the operator should reset the Safeguards Equipment Cabinet (SEC) and start Safeguards loads in accordance with the supplied table.

IMPLEMENTATION REQUIREMENTS:

APPROVE°t &;~

OPERATI:m SALEM DATE.* 7 2t

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Page 2 of 3 SALEM OPERATIONS 1-EOP-TRIP-3, Rev. 10 SAFETY INJECTION TERMINATION USE CATEGORY: I REVISION

SUMMARY

CONTINUATION:

Deleted section warning operators that Reactor Coolant System (RCS) temperature indications and interlocks may be inaccurate when on Natural Circulation. This caution, as referenced in the Emergency Response Guide (ERG) background document, applies to plants with Resistance Temperature Detector (RTD) bypass manifolds which require Reactor Coolant Pumps (RCP) in service to provide flow through the manifold. Salem uses imbedded R TD elements in the loops which indicate loop temperature independent of RCP operation.

As an enhancement RCP Seal Cooling now requires both Seal Injection and Thermal Barrier cooling be established to RCPs.

Various procedures have added the precaution to not start an RCP, if seal cooling had been previously lost, until an RCP evaluation has been completed. This precaution is now standard in all EOPs where applicable. The basis for this step is to evaluate for possible introduction of crud into the seal package from RCS back leakage.

Pressurizer (PZR) level adverse setpoints have changed as a result of ERG footnotes and new methods of calculating uncertainties and adverse allowances. PZR level setpoints have changed form 26% to 35% and from 11% to 21%. See SC-RC002-0l for detailed analysis.

Restoration of Service Water to the Turbine Building has been standardized.

Continuous Action Summary (CAS) for EOPs have been standardized in most cases. The verbiage and the content of the CAS action steps are more consistently worded. Additionally the size, shape and location of the CAS's are now standardized.

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Page 3 of 3 SALEM OPERATIONS l-EOP-TRIP-3, Rev. 10 SAFETY INJECTION TERMINATION USE CATEGORY: I REVISION

SUMMARY

CONTINUATION:

Cartesian markers are no longer used on the flowcharts. Coordinate markers i.e., sh-2 H, 17 are no more.

Procedure references have been changed to incorporate the Procedure Maintenance Group (PMG) nomenclature and numbering system.

EMERGENCY OPERATING PROCEDURE EOP-TRIP-3 SAFETY INJECTION TERMINATION 1.0 Entry Conditions See Flowchart 2.0 Operator Actions 2.1 Immediate Actions None 2.2 Subsequent Actions See Flowchart 3.0 Attachments List 3.1 Tables Table 1, Post Safety Injection Data CAS TABLE 1-1 3.2 Figures None 3.3 Graphs None 3.4 Check Off Sheets None End of Procedure Final Page Salem Unit 1 1 Rev. 10

PAGE CHANGE CONTROL SHEET List of pages 1-EOP-TRIP-3 SHEET 1 Rev. 10 l-EOP-TRIP-3 SHEET 2 Rev. 10 1-EOP-TRIP-3 SHEET 3 Rev. 10 1-EOP-TRIP-3 TAB 1-1 Rev. 10 1-EOP-TRIP-3 CAS TABLE 1-1 Rev. 10 Salem Unit 1 2 Rev. 10

TABLE 1 POST SAFETY INJECTION DATA Initial Pressurizer Level Final Pressurizer Level Initial Pressurizer Pressure Final Pressurizer Pressure Initial Tavg Final Tavg RWST Temperature (T0650A)

Duration of Safety Injection Initial RWST Level Final RWST Level Date Reviewed by Date - - - - -

-:---,------:-----=------=-...,....-:,.-------=-~

(Senior) Nuclear Shift Supervisor Salem Unit 1 3 Rev. 10

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TABLE 1 EOP-TRIP-3 CONTINUOUS ACTION

SUMMARY

CONDITION ACTION RCS SUBCOOLING LESS THAN l0°F OPERATE ECCS EQUPIMENT OR TO RESTORE SUBCOOLING PZR LEVEL LESS THAN 9% (21% ADVERSE) AND PZR LEVEL LESS THAN TWO VITAL BUSES ENERGIZED GO TO EOP-LOPA-1 AFST LEVEL LESS THEN 14% SHIFT AFW PUMP SUCTION SALEM UNIT 1 TABLE 1-1 REV 10

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