ML19318B440
| ML19318B440 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 06/18/1980 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19318B439 | List: |
| References | |
| NCR-CE8, NUDOCS 8006260162 | |
| Download: ML19318B440 (1) | |
Text
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~ ENCLOSURE g6 O.,a 9
Q1
-... SEQUOYAH NUCLEAR' PLANT UNITS 1 AND 2
/-
DBA MOVEMENTS OF THE STEEL CONTAINMENT VESSEL
-/"
NCR CEB 79-19 "p
SUPPLEMENTAL INFORMATION Because 'of 'some confusion over. responsibility with a contractor, the RHR spray-header piping '~as not reanalyzed for DBA movement of the steel'-
containment vessel. V)..
This reanalysis should have been accomplished
- as part of.'the rece--
'o NCR CEB 79-19.
TVA has investigat-
_ oversight and has found that there are no additional lines why.
, alyses and contractor analyses join that
-vere not-reanalyzed in a.ru with NCR CEB 79-19.
TVA has now completed the reanalysis of the RHR spray header piping.
This reanalysis shows that new supports are required, plus changes-to existing supports. These new supports are being designed and the required
_ ; changes to existing supports are being detailed. The support designs will
_ _,be transmitted to Sequoyah Nuclear Plant site for fabrication and instal-lation.
The new supports for the RHR spray header line and the required changes to the existing supports will be installed before criticality-for Sequoyah unit'1.
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