ML18067A756

Forwards LER 97-010-00 Re Inadequacy of App R Analysis. Commitments Made by Util,Listed

ML18067A756
Person / Time
Site:	Palisades
Issue date:	10/30/1997
From:	PALMISANO T J CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML18067A757	List: ML18067A756 ML18067A758
References
NUDOCS 9711050108
Download: ML18067A756 (2)

Text

{{#Wiki_filter:ti') Consumels October 30, 1997 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 DOCKET 50-255 -LICENSE DPR-20 -PALISADES PLANT -:31 :'; s 76.J :?296 ; _y :--s..: ]J]5 Thoma* J. Palmisano Site Vice President LICENSEE EVENT REPORT 97-010 -INADEQUACY RESULTS IN A CONDITION OUTSIDE THE DESIGN BASIS OF THE PLANT Licensee Event Report (LER) 97-010 is attached. This event is reportable to the NRC in accordance with 10 CFR 50.73(a)(2)(ii)(B) as a condition outside the plant design basis. This condition was found during a planned review of the 10 CFR 50, Appendix R program engineering analyses. This review determined an analysis contained errors which could potentially place the plant in a scenario which was not addressed with approved procedures. In 1994, an Appendix R Enhancement Plan was established at Palisades to ( I reconstitute Appendix R design bases. Implementing this Plan resulted in the * *

• I development of a number of new engineering analyses.

This LER condition was identified during validation of these analyses; an effort which is ongoing. i I

SUMMARY

OF COMMITMENTS This letter contains two new commitments and no revisions to existing commitments. -f' !) { ,V -0'-0 _,.,.,...,..--* ./ 1. A revision to the circuit and raceway schedule and to the schematic diagram will 0 8 be completed to identify the cable in the Atmospheric Steam Dump Valves (ASDV) circuit that is routed from control panel EC01 to control panel EC 12. ::o: r ,I \ h \)-{ .. *.)__, "Q "'. ; ,! -, A ft._ --O'-D.tn "l' \_ ;,., ':.:* . .) . .___: .---*-. \ \ I Ill\\\ ll\\\ \l\11 \lUI ll\11 \l\lll Ill 1\ll

• IQ IQ 7

2. The Appendix R Engineering Analysis will be updated with the results of the evaluation that four ASDVs and the Turbine Bypass Valve (TBV) could possibly *open in the postulated fire scenario.

Thomas J. Palmisano Site Vice-President CC Administrator, Region 111, USNRC Project Manager, NRR, USNRC NRC Resident Inspector -Palisades Attachment 2}}