ML20215L913
| ML20215L913 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 10/10/1986 |
| From: | Leblond P COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20215L916 | List: |
| References | |
| 2038K, NUDOCS 8610290364 | |
| Download: ML20215L913 (3) | |
Text
[em} Commonarlth Edison
\\ --
72 West Adams Street, Chicago, Illinots Accress Reply to: Post Omce Box 767 D
Chicago, Illinois 60690 - 0767 October 10, 1986 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
Zion Nuclear Power Station Units 1 and 2 Proposed Amendment to Facility Operating License Nos. DPR-39 and DPE-48 Normalized Hot Channel Factor NRC Docket Nos. 50-295 and 50-304 References (a): October 19, 1984 letter from R. N. Cascarano to H. R. Denton.
(b): May 24, 1985 letter from J. A. Norris to D. L. Farrar.
(c): July 3, 1986 letter from C. W. Hehl to Cordell Reed transmitting Inspection Report Nos.
50-295/86-012 and 50-304/86-011.
Dear Mr. Denton:
to this letter is a proposed amendment to Facility Operating License Nos. UPR-39 and DPR-48, Appendix A, Figure 3.2-9, Hot Channel Factor Normalized Operating Envelope for Units 1 and 2.
This change will correct an error in the existing Technical Specifications. The current Figure 3.2-9 was originally submitted in Reference (a) and was approved by the NRC in reference (b). The error involved the calculated value for K[z]
at the twelve foot level. contains a report which both explains the historical background ar.d describes the calculational procedure utilized in the development of the proposed change. This more conservative figure has been in use at Zion Station since the problem was discovered. Thus, this error did not have any safety significance. A complete discussion of this issue is contained in reference (c). to this letter is a demonstration that the issue involves ne significant hazards consideration. The proposed amendment has received Or.-site and Off-site review and approval.
\\
02 0364 861010 f
p DOCK 05000295
\\
\\
he,'cl &ccit W/50 GO
I Mr. H. R. Denton October 10, 1986 In accordance with 10 CPR 170, a fee remittance in the amount of
$150.00 is enclosed. As provided by 10 CFR 50.91, the State of Illinois is being notified of this amendment request by transmittal of this letter and the attachments.
Please direct any questions you may have concerning this matter to this office.
Three (3) signed originals and thirty-seven (37) copies of this transmittal and its attachments are provided for your use.
Very truly yours, P. C. LeBlond Nuclear Licensing Administrator im Attachments cc: Region III Inspector - Zion J. A. Norris - NRR M. C. Parker - State of Ill.
SUBSCRIBRD AND SgR to befor [hl y M L. _ //_1 - day 9e of
-/
, 1986
'1 4
fib 0 Notarp'Public' 2038K l'
ATTACHMENT 1 PROPOSED CHANGES TO APPENDIX A TECHNICAL SPECIFICATION FIGURE 3.2-9 HOT CHANNEL FACTOR NORMALIZED OPERATING ENVELOPE FOR UNITS 1 AND 2 Page Modified: 63a l
e I
t l
2038K
- -