05000295/LER-1997-023, Forwards LER 97-023-00,per 10CFR50.73(a)(2)(ii)(B). Commitments Made by Util,Encl

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Forwards LER 97-023-00,per 10CFR50.73(a)(2)(ii)(B). Commitments Made by Util,Encl
ML20203E824
Person / Time
Site: Zion File:ZionSolutions icon.png
Issue date: 12/10/1997
From: Starkey R
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20203E828 List:
References
NUDOCS 9712170195
Download: ML20203E824 (2)


LER-2097-023, Forwards LER 97-023-00,per 10CFR50.73(a)(2)(ii)(B). Commitments Made by Util,Encl
Event date:
Report date:
2952097023R00 - NRC Website

text

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wt tunn> nn Tel H 6*M 16 Jos4 December 10,1997 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Enclosed is Licensee Event Reoort (LER) number 1-97-023, Docket No. 50-000295 that is being submitted pursuant to 10CFR50.73 (a)(2)(ii)(B) which requires a 30 day written report when any event or condition occurs that resulted in the condition of the nuclear power plant, ineluding its principal safety barriers, being seriously degraded, or that resulted in the nuclear power plant being in a condition that was outside the design basis of the plant.

Attachment A provides commitments associated with this correspondence.

l Very truly yours,

, $or R. Starkey Station Manager Zion Generating Station

.RS/jb

Enclosures:

Licensee Event Report Regulatory Commitment List

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& l' xc: NRC Region 111 Administrator NRC Zion Resident inspector

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  • , ,, J18 Illinois Departmert of Nuclear Safety

-IDNS Resident inspector 9712170195 971210 PDR ADOCK 05000295 S pyg ~

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. ATTACllMENT A REGULATORY COMMITMENTS The following identifies those actions committed to by Comed in this document. Any other actions discussed is this submittal represent intended or planned actions by Comed. They are described to the NRC for the NRC's information and are not regulatory commitments, r

Regulatory Commitments Tracking Number A modification to redesign the control room switch OllS-AV95 to 29518097SCAQ00014-01 include the pipe tunnel and fuel handling building when the ECCS cubicles are exhausted through charcoal tilters is being implemented.

This will assure the Aux lluilding equipment cubicles, Class I pipe tunnel, and the Fuel Iluilding ventilation will always be filtered through charcoal during the recire phase of a LOCA. This modification will be installed prior to Unit 2 restart.

Calculations to support the safety significance of the affect of the 29518097SCAQ00014-02 untiltered radiation release will have on Control Room liabitability and off-site doses will be completed by 12/19/97 and the results will be communicated to the Zion Senior Resident. These calculations will demonstrate that the 10CFR100 limits for offsite doses and the Control Rooni liabitability limits per GDC-19 would not have not been exceeded. If the approved calculations do not support the Safety Analysis, a supplemental LER will be submitted, otherwise, no supplemental LER will be submitted.