ML19030A655
ML19030A655 | |
Person / Time | |
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Site: | Salem |
Issue date: | 08/22/1978 |
From: | Librizzi F Public Service Electric & Gas Co |
To: | Schwencer A Office of Nuclear Reactor Regulation |
References | |
Download: ML19030A655 (2) | |
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Text
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August 22, 1978
._;I :*::1 Director of Nuclear Reactor Regulation
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- u. s. Nuclear Regulatory Corrunission Washington, D. C. 20555
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Attention: Mr. A. Schwencer, Chief Operating Reactors Branch 1 Division of Operating Reactors Gentlemen:
INCREASED CAPACITY SPENT FUEL RACKS NO. 1 UNIT SALEM NUCLEAR GENERATING STATION DOCKET NO. 50-272 Public Service Electric and Gas Company hereby transmits a revised response to request No. 18 of your June 23, 1978 letter requesting additional information regarding our application to increase the spent fuel storage capacity at the Salem Nuclear Generating Station.
This revision.indicated the acceptability of seismic stresses on fuel assemblies.
This submittal consists of forty copies.
Should you have any questions regarding this application, please do not hesitate to contact us~
Very truly yours, F.~
General Manager -
Electric Production Enclosure The Energy People 95-2001 (400M) 9-77
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QUEST?ON 18 Provide a swnmary of the maximum stresses in the.most critical sections of the fuel assemblies due to impact with the cans
.during a seismic event. Justify .the acceptability of these stresses and provide the details qf the analyses used to determine these stresses. ~
ANSWER The maximlim loads on the fuel bundle* from the non-linear seismic impa_~t aI?-a~ysis. were 2,319 lbs. on the upper end fitting and 978 I lbs:*"'6r!i;:he spacer grid. 'I'hese loads are from a computer model l t
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of the fuel bundle with three equally spa_ced spacer grids, an .
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-~;:~ppe;r end fitting and a lower end fitting. The maximum loads on
-the fuel bundle.from top to,..bottom are 2,319 lbs. on the upper
.. f'
. end fitting, 824 ibs., *978 lbs. and 215 lbs., respectively on the top, middle and bottom spacer grids, and no* load on the bottom end fitting.
The effect of these loads on the fuel assemblies has been analyzed by our fuel supplier. The results of this analysis indicate that these loads are acceptable.
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