ML20141F707

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Forwards Operability Assessment Which Presents Justification for Continued Operation of Byron Unit 1 Until SG Replacement Outage,Scheduled to Begin No Later than mid-Dec 1997
ML20141F707
Person / Time
Site: Byron Constellation icon.png
Issue date: 05/15/1997
From: Wozniak D
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20141F712 List:
References
BYRON-97-0114, BYRON-97-114, NUDOCS 9705220009
Download: ML20141F707 (1)


Text

Onnmonwealth r.dimn Company Ilyron Generating station p

4 450 North German Church 10nd L lt) ron, IL 61010-9 94 Tcl H15-2%5 611 May 15,1997 LTRi BYRON-97-0114 FILE:

3.11.0530 U. S. Nuclear Regulatory Commission Washington, D.C. 20555 -

Attention:

Document Control Desk

Subject:

Byron Station Locked Tube Full Cycle Operability Assessment Byron Nuclear Power Station Unit 1 N_RC Docket Number: 50-454

Reference:

April 30,1997 Meeting between Comed and NRR concerning the results of the Braidwood Unit I steam generator locked tube inspections in the referenced meeting, Comed committed to provide an operability assessment for full cycle operation of Byron Unit I to address the results of the Braidwood Unit I steam generator locked tube inspections. The operability a isessment is attached. In this document, Comed presents justification for continued operation of Byron Unit I until the steam generator replacement outage, scheduled to begin no later)han mid-December 1997. In addition, this document provides a preliminary discussion o> leakage due to application ofInterim Plugging Criteria (IPC) considering the as-found versus predicted leakage values obtained at Braidwood Unit 1.

Please address any comments or questions regarding this request to Denise Saccomando, Nuclear

. Licensing Administrator, at (708) 663-7283.

Sincerely, D. B. Wozn

/

Site Engineering Manager Byron Nuclear Power Station DBW/LUrp Attachment Nf lllhl'$fflllfffll cc:

G. Dick, Byron Project Manager-NRR

.s A.B. Beach, Regional Administrator-Rill i

N.I S. Burgess, Senior Resident Inspector-Byron 9

f0flice of Nuclear Safety-IDNS (o:\\97byltrs\\970114. doc) 9705220009 970515 PDR ADOCK 05000454 P

_PDR m.