ML20024G569
| ML20024G569 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 10/26/1973 |
| From: | Skovholt D US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Mayer L NORTHERN STATES POWER CO. |
| References | |
| NUDOCS 9102120678 | |
| Download: ML20024G569 (2) | |
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( 5.. bD Docket No. 50-263 Eorthern States Power Company ATTN: Mr. L. O. Mayer, Director of Nucle.ar Support Services 414 Nicollet Hall Minnaapolis, Minnesota 55401 Gentlemen:
You have provided analyses of the effect of densification during steady state operations, transients, and postulated accidents in year letter of August 15, 1973, and in the referenced GE topical report 'Tual Dennification Effects on General Electric Boiling Wator Reactor Poel,
hT.IXi-10735, Supplements 0, 7, and B, August 1973. Your analyses indicated that the averare pinnar linear heat pencration retc of any fuc3 assen.bly n,ue,t coteply with the limit set forth in a curve labeled y in Fintres 4-9C1 and 4 9C2 of KEDM-10735, Supplements 6, 7, and 8 tc c.eet one criteria set forth in our densification model.
It is our understanding that the "y" curves of Figures 4-9C1 and 4-SC2 are based on detailed core he.atup calculations up to 15,000 Mud /T b urn up. Ecyond this burnup, the 'N" curves were extrapolated based on available information. Pleace extend the detailed hestup calculations to higher Lurnt.
Wse calculatf our and the revised 'Y" curvec should te suttltted for staff review ly Novesiber 5,1973.
fIncerely, o Ht,el s m.1 Ey D. J. nn.%1t Donald J. Skovholt Ansirtant Director for Operating Eeactors Directorate of Licencing cc: Sec next paSe l
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Gerald Charnoff Shaw, Piteman. Potte, Trowbridge & Madden j
910 - 17th Ftreet, E. V.
Wr.chington, D. C.
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Boward J. Vogal, Esquira Knfttle & Vogel 814 Flour Exchange Building Minneepolie. Minnesota 55415 Steve Gadler, P. E.
2120 Carter Avenur Ct. Tcui, mn~c etc 55108 i
Ferriett Lenring. Inquire Ascistant City Attorney City of St. Paul 635 City 11all St. Paul, Minnesota 55102 Ken DruEan Minnesota Follution Control Agency 717 Delevere Street, S. E.
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