ML20086S360
| ML20086S360 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 11/26/1991 |
| From: | Panetta L HOUSE OF REP. |
| To: | The Chairman NRC COMMISSION (OCM) |
| Shared Package | |
| ML19339E970 | List: |
| References | |
| CCS, NUDOCS 9201030131 | |
| Download: ML20086S360 (2) | |
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$TEERING AND POLICY MAJOMITY WH1' November 26, 1991 FOR THE BUDGET Mr. Ivan Selin Chairman Nuclear Regulatory Commission Washington, D.C.
20555
Dear Mr. Chairman:
I am writing to request your assistance in addressing the questions raised by my constituent, Mr. Michael Orians, regarding the long-term seismic safety of the Diablo Canyon Nuclear Power Plant.
Please find a list of Mr. Orians' questions enc.1.osed.
I would appreciate your providing me with a response to Mr. Orians' questions as soon as possible.
Thank you for your attention to this matter.
I look forward to receiving your response.
Sinc
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CONSTI'fUENT RBQUEST DATE:
10/24/91 STAFF MEMBER:
Kristie CONSTITUENT NAME:
Mr. Michael Orians P. O. Box 1104 ADDRESS:
Morro Bay, Ca.
93443 PHONE:
(805) 772-8722 Pocition/A Information/B BBB Bill Status /C Document /D VIEWPOINT OR REQUEST Iecue/
Subject:
Age basis for evaluation of structural integrity of Diablo Nuclear Power Plant Recently the NRC concluded that Diablo anyon Nulcear Power Plant would be safe in an earthquake.
This conclusjon was drawn after 6 years of study.
Mr. Orians would like to know if the various studies done on the structural integrity of tne plant to withstand earthquake damage was based upon tests designed for a new plant or one that is 10 years old, as is Diablo.
He wants to know if the studies were made on the basis of a plant having operated for 10 years and the subsequent stress this would place on such things as the steel structure.
On which basis were the tests done - testing a new building or one that has been inoperation for 10 years?