ML19320A510

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Viewgraph from near-term OL Licensing Resolution Group 800514 Meeting W/Nrc
ML19320A510
Person / Time
Site: Fermi, Susquehanna, Columbia, LaSalle, Zimmer, Shoreham  File:Long Island Lighting Company icon.png
Issue date: 05/14/1980
From:
COMMONWEALTH EDISON CO.
To:
Shared Package
ML17138B374 List:
References
NUDOCS 8006250328
Download: ML19320A510 (14)


Text

_ - _ _ _ _ _ _ - - _ _ - _ _- __ .

EM ME3 l 5/14/80 O

'! NTOL LICENSING RESOLUTION GROUP i.

i MEETING WITH NRC MAY 14, 1980 f, .

. 9:00 A.M.**

PHILLIPS BUILDING BETHESDA, MARYLAND f

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. AGENDA 5/14/80 l l

1. - REVIEW PURPOSE ,

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SUMMARY

OF MAY 1 MEETING l ORGANIZATION .

INITIAL ASSESSEMENT-OF FEASIBILITY INITIAL NRC RESPONSE

2. OBJE'TIVES C OF MAY 14 M$ETING

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e FINALIZE NRC/ UTILITY INTERFACE e AFFIRMATION OF LEAD PLANT SER APPROACH JOINT REVIEW 0F ISSUES (CATEGORIZE /PRIORITIZE/ RESPOND)

COMMON CLOSURE BASES e HOW IT SHOULD WORK!

(GROUP MECHANICS)

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3. FUTURE" ACTIONS e WORKING GROUP MEETINGS APPLY EXISTING CLOSURE BASES REVIEW REMAINING OPEN ISSUES RSB I & CB MARK II TMI GENERIC ISSUES OTHER BRANCH ISSUES e LEAD PLANT SER ISSUANCE

'TMI SUPPLEMENT 4

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BWRNT0LLICENSINGACTI0ffGROUp [-

COMMONWEALTH EDIS0N COMPANY .

LASALLE COUNTY - 1 CINCINNATI GAS & ELECTRIC COMPANY ZIMMER DETROIT EDISON COMPANY FERMI - 2 .

LONG ISLAND LIGHTING COMPANY .

SHOREHAM-PENNSYLVANIA POWER & LIGHT COMPANY SUSQUEHANNA - 1 WASHINGTON PUBLIC POWER SUPPLY SYSTEM . WNP - 2 O q E

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SUMMARY

LIsT'0F'NSS5LICENSiNGiSSUE5- .

NUMBER RESOLVED NUMBER FOR ON AT WHICH GENERIC FOTENTIAL-

. TYPE OF NUMBER.0F LEAST ONE RESOLUTION IS .. TM.I ..

FEASIBLE EXPANSION- EXAMPLES ISSUE ISSUES DOCKET DEGRADED GRID VOLTAGE CATEGORY 1 8 -- '2 DRAWING AND SCHEMATIC

, PLANT SPECIFIC 23

' CONTRADICTIONS ISSUES RPS MG SET PROTECTION CATEGORY 2 10 29 11 ODYN REANALYSIS BWR DESIGN GENERIC 40 -

ISSUES

' ANTICIPATED TRANSIENTS CATEGORY 3 -

WITHOUT SCRAM (ATWS) 4 12 L ENVIRONMENTAL 4

UNRESOLVED GENERIC 15

' QUALIFICATION (NUREG-051 SAFETY ISSUES i .

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COMPLETE SER's

1. ZIMMER IS A COMPLETED MODEL
2. EXCEPT FOR OPEN ITEMS; ALL PLANTS READY FOR BULK OF.SER ,
3. FINISHOPENITEMSFORLEADNT0LPLANT-FILLIN COMMON ITEMS FOR OTHER 5
4. TAKE EACH PLANT IN LINE BEYOND LEAD P NT

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A. COMPLETE PLANT SER B. APPLY COMMON RESOLUTIONS TO REMAINING SER's

5. LAST PLANT SHOULD HAVE MINIMUM UNIQUE ITEMS REMAINING AFTER 5 COMPLETED. .
6. EACH PLANT SUPPORTS THOSE BEFORE IT AND RECEIVES SUBSEQUENT REDUCTION OF ISSUES-e O

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QUESTTON 212.74 fff/fesWS/Gd$$ ((JC1ffED ffff,f[ ~

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"In analyzing anticipated operational transients, the applicanc has taken credit for plant operating equipment which has not been shown ro be reliabic as required by General Design Criterion

29. The staff has discussed the application of this equipmenc generically with General Electric. Based on these discussions, it is the staff's understanding that the most limiting transient that takes credit for this equipment is the excess feedwater event.

Further, it is the staff's understanding that the only plant operating equipment that plays a significant role in citigating this event is the turbine bypass system and the Level 8 high water level trip (closes turbine stop valves). -

"In or$er to assure an acceptable level of performance, it is the staff's position that th'is equipment be identificil in the plant Technical Specifications eith regard to availability, set points, and surveillance testing. The applicant must submit his plan for implemehti'ng this requirement along with any system r.odifications that may be required to fulfill the requirements."

RESPONSE

In discussions between CE and the NRC on November 20 and 21,1978, GE q

V reported on the results of transient analysis when performed to design-basis cccident conditions assu:ptions, and ' equipment avail-abilities, that failure to give credit to the L8 Turbine Trip and the Main Turbine By-Pass system could respectively result in ACPR's of 0.02 and 0.08. In no manner could these postulated accident events res' ult in unacceptable impacts on the health and safety of the public .

as CDC criteria,,No. 29 requires.  :

4 L8 Tech Spec

~

The L8 instrumentation is already subject to technical specifications requirements associated with the HPCS. Since the NRC issues the fa-cility tech specs such a requirement can be acccc::'odated by the present design.

Main Turbine By-Pass System Tech Spec The turbine bypass sys'em t and stop valves 3re furnished'with the main turbine generator by Westinghouse and have' exhibited high reliability ,

on existing nuclear and fossil fueled operati6n units. .:

Normal CG&E operating procedures require that the valves be func- .

tionally exercised weekly. This will ensure valve operability and provide adequate. assurance -that the valves.will operate when required. .-

The feedwater LSD uill be submitted in Revicion 58. This drawing will 57 indicate the testability of the control circuits for the turbine bypass. '

valves.

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