ML19345A271
| ML19345A271 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 11/21/1972 |
| From: | Anthony Giambusso US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Vandenburgh D YANKEE ATOMIC ELECTRIC CO. |
| References | |
| NUDOCS 8011180441 | |
| Download: ML19345A271 (2) | |
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NOV 2 D1972 f
Docket No. 50-29
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t Ry Yankee Atomic Electric Conpany "h
NITh "r. Donald E. Vandenburs Vice PIncident 20 Tumpike Ibad kbstboro, Massachusetts 01581 Gentlemen:
The Co:mlission's &gulatory Staff has completed a Inview of fel L
3 densification and its effect on reactor cperation including transients and postulated loss-of-coolant accidents. She Staff's investications and calclusions are Inported in "1bchnical Ibport ai Densification of Li@t Water Pcactor Fuels" dated Novenber 14, 1972, a copy of which d< - :
is enclosed for your infornation and guidance. This report concludes that densification of fel may occur and that the resulting fon:ation LT of Ibal coltr::n gaps should be anticipated in all light water Inactor f
fuels. She report also provides the essential elemnts to be included g%
in calculational models used to account for the effects of fuel den-dj sification.
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/.s we have indicated in our letter to you dated October 4,1972, the Mt Pegulaton Staff believes that the fuel in the Yankee Nuclear Poser ff-Station is susceptible to densification. We Inquest that your pending submittal include the necessan analyses and oth'r inlevant data for datencining the conseqences of densification and the effects on non-RV N.I mal o;>2 ration, anticipated tninsients, and accidants including the pos-3 tulated loss-of-coolant accid 2nt, consjeter;J with the.c uidance pInvided 3
in the enclosed report.
If the analyses indicate that changes in de-7 sign or operating conditians are necessan to maintain required mrgins, Q ?
you should submit proposed changes and operating limitations with the analyses.
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In order that the Pegulaton Staff can conduct an expeditious and Cn orderly review cf these matters for the Yankee Nuclear Pomr Station,
%y we request that you submit the analyses and additional inforration
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Yankee Atomic Electric NOV 2 01972
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l Capany within 45 days from the date of this letter. It is requested that II:
I this inforcation be pInvided with one signed original and thirty-nine additional copies.
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sincerely, a
FUriginsi signed by'
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A.r,ie-'-
uut A. Giambtr.sso, Deputy Director
'.s' for Feactor Projects 92 Dizvctorate of Licensing
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Enclosure:
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Technical Peport on Densification (November 14',1972) 12-a r
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Distribution
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