ML19320C286
| ML19320C286 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 07/11/1980 |
| From: | Delgeorge L COMMONWEALTH EDISON CO. |
| To: | Youngblood B Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19320C287 | List: |
| References | |
| NUDOCS 8007160606 | |
| Download: ML19320C286 (2) | |
Text
. _......
[c y. C;mm:nwrith Edison w
one First NationaiPtua. Chicago, filinois
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1*O Address R pty to: Post Office Box 767
/ Chicago, Illinois 60690 July 11, 1980 Mr. B. J. Youngblood, Chief Licensing Branch No. 1 Division of Licensing U.S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
LaSalle County Station Units 1 and 2 Containment Design Assessment Report Chugging and Condensation Oscillation Loads
-PRO P RI ET ARY INFORMATION-FOR ADDRESSEE' S EYES ONLY
Dear Mr. Youngblood:
Attached for your review are two (2) reports which address These reports were
~ the LaSalle County containment load definition.C. Anderson of the NRC Staff at the discussed with Mr.
Owners Group meeting on June 12, 1980, and should be forwarded to the reports Mr. Anderson for his continuing review. Specifically, address the following topics:
" Condensation Oscillation (CO) Load Data for LaSalle" 1.
" Chugging Loads for Assessment of 4T C0 Data" 2.
These reports incorporate the Mark II Lead Plant approach f or assessing the main ven't steam condensation loads observed during the most recent Mark II testing at the General Electric 4T test This recent testing is referred to as the 4T Condensation and includes both Condensation Oscillation facility.
Oscillation (4T C0) testIn addition to describing the Mark II Lead Plant and Chugging data.these reports include the application of this approach to approach, develop specific loads for assessment of LaSalle County Station.
To expediate submittal of these reports, they presently are After being submitted only on the LaSalle County Station Docket.
will submit similar documents or ref erence these LaSalle Coun Station reports.
and For LaSalle County Station, currently one (1) original and copies three (3) signed copies of these reports are submitted, are being sent directly to the NRC Mark 11 Containment consultants.
Within 30 days, these reports will be formally submitted as Design Q
Assessment Report Appendices.
sooneo N p
.s Mr. B. J. Youngblood, Chief July 11, 1980
.Page 2 Portions of these reports are considered proprietary and are supplied with the understanding that they be used only in relation to the NRC review of the Mark II Containment issue and otherwise be kept confidential and as such withheld f ram public disclosure in accordance with 10 CFR 2.790.
The formai submittal of this inf ormation on the LaSalle County dockets in an amendment to the Design Assessment Report will be supported by the necessary af fi davi ts.
This submittal is being made prior to completion of those affidavits in order to f acilitate your review.
If there are any questions in this regard, please direct them to this office.
Very truly yours, l
L. O. DelGeorge } "
Nuclear Licensing Administrator Attachment 5017A
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