ML100750362
| ML100750362 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 10/08/2009 |
| From: | Meena Khanna NRC/NRR/DE/EMCB |
| To: | Meena Khanna NRC/NRR/DE/EMCB |
| References | |
| FOIA/PA-2010-0010 | |
| Download: ML100750362 (2) | |
Text
)t)
Orf, Tracy From:
Sent:
To:
Subject:
Attachments:
Khanna, Meena Thursday, October 08, 2009 2:58 PM Khanna, Meena Meeting with Chairman Jackzo on Delamination of Containment Domes.doc Meeting with Chairman Jackzo on Delamination of Containment Domes.doc I
Meeting with Chairman Jackzo on Delamination of Containment Domes On Thursday, October 8, 2009, DE and DLR staff met with Chairman Jackzo to discuss, in general, delamination of containment domes and other types of degradation. The purpose of the meeting was to provide Chairman Jackzo with background information concerning containment degradation, in advance of his previously planned trip to Crystal River that is scheduled for Friday, October 9.
The staff provided a general description of the design of a post-tensioned concrete cylinder with steel liner containment and referred to containment drawings to describe the containment and the associated buttresses. The staff also indicated that there are approximately 37 pre-stressed containments and 27 reinforced concrete containments (which have no pre-stress, only rebar) in the U.S.
Chairman Jackzo questioned the staff as to what "delamination" was The staff described the containment cracking/delamination issue at the Crystal River site and wa