ML19329B700

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Responds to 761201 Memo Re Need for Natural Circulation Test for Elevated Steam Generator Design.Suggests Test Be Conducted & FSAR Amended to Include Test
ML19329B700
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 12/16/1976
From: Stolz J
Office of Nuclear Reactor Regulation
To: Sniezek J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 8002060710
Download: ML19329B700 (1)


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.w Distribution Docket fit, DEC 16 1976 LWR 1 File J. Stolz L. Engle E. Hylton Occket ilo. 50-346 ME!10RANDUti FOR:

J. !!. Sniczek, Chief, Light Water Reactor Programs Branch, I&E FR0ft:

J. F. Stolz, Chief Light Water Reactors Branch No.1, CP'1

SUBJECT:

CELETIGil OE tlATURAL CIRCULATIO 1 TEST - TOLEDO EDISON C0?!PA4Y (OAVIS BESSE, UtlIT 1)

Pursuant to your amorandum of December 1,1976, we have evaluated the need for requiring a natural circulation test as specified in Regulatorv Guide 1.63 for the elevated steam generator design for Davis Besse, Unit 1 (00-1).

The Toledo Edison Company has r.ot presented any supporting bases in the FSAR wnereby we can compare the efficiency of the raised loop design for J3-1 to tne results for the Oconce 177 FA lowered loop natural circulation tes t.

Therefore, since Davis Besse, Unit 1 is the lead facility for the Oconee 177 FA raised loop design, it is the staff's position that the natural circulation test be conducted for 08-1 during the power escalation chase of testing and that tne DB-1 FSAR be amended to include tne natural circulation test as specified in Requistory Guide 1.68.

Should you have any further questions, please call us.

Origua! S!sned by' John l'.Stols J John F. Stolz, Chief Light W;ter Reactors Branch No.1 Division of Project l'.anagement 50-3 %

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