ML20005E133
| ML20005E133 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 12/22/1989 |
| From: | Schuster T COMMONWEALTH EDISON CO. |
| To: | Murley T Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 9001030365 | |
| Download: ML20005E133 (1) | |
Text
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/ Projects and Construction Servic s 2 4
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- 1400 Opus Pecs, Sult) 500.
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- Downers Grove, Illinois 60515 3y f;
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_ December 22, 1989-i e,
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' Dr. IThomas E. Murley :
10ffice~of< Nuclear Reactor Regulation y
<US Nuclear Regulatory Commission-i
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' ! Washington,DC 20555 L
'tSubjects -Zion Station Units 1.and 2 "A Model Implementation Schedule" 1
@m HErl Docket Nos. 50-295/304
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Reference ~(a) Letter from IM Johnson to US NRC dated i
= January-31. 1989.
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Dear:
Sir:
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Reference _(a)' contained our schedule for implementing the.A Model at gz.
T 1 Commonwealth Edison's Zion, Quad Cities and Dresden Stations.
It has been Y
' determined that' additional time will'be required for completion of-the A-model
{ implementation at Zion Station. ; The. revised target date is ' September 30, 1990 cversus1the previouslyispecified date'of December 31,'1989. Although the.
,. A-model: software hastbeen physically installed at Zion,Leoftware testing,-
?,
T (training,of personnel'in,its use and completion of implementing: procedures R
fremain to.be done. Delays have.primarily been due to scope changes in the A-model process, resulting from-lessons learned at Byron, Braidwood and lh LaSalle.
In addition, competition for the necessary human resources used in
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.other higher priority programs at Zion.-such'as DCRDR; implementation and the
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. Anticipated Transient'Without' Scram Modifications, has caused some delay.
'As stated in previous letters, compensatory measures are in place and
.available if needed.
If there are any questions regarding this matter, please-i
. contact this. office.
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Very truly yours',
hyw J
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T K. Schuster Nelear Licensing Administrator
/sc1:0473T:1 "cca A. Bert Davis-RIII l
O. Patel-NRR
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