ML19220A504

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Forwards Rept Describing Methods Used & Results Obtained from B&Ws Recent Studies of Small Breaks in Reactor Coolant Pump Discharge Piping.Requests Expeditious Review
ML19220A504
Person / Time
Site: Crane 
Issue date: 04/25/1978
From: Taylor J
BABCOCK & WILCOX CO.
To: Baer R
Office of Nuclear Reactor Regulation
Shared Package
ML19220A498 List:
References
NUDOCS 7904230034
Download: ML19220A504 (1)


Text

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O Babcock &Wilcox me, c.ne,,ec, c,cco 7735 C!d Gecrgetown Road, Bethesda, Md. 2CC14 Tetephone: (201) 951-C202 April 25, 1978 Mr. Rchert L. Baer Chief, Reae:cr Safer / 3 ranch Divisien of Operating Reacters Office of Nuclear Reacter Regulation U. S. Nuclear Regulatory Cc==issien Washington, D. C.

20555

Dear Mr. Baer:

Attached is a report describing the methods used and the results ebtainei frcs E!Jf's recent studies of small heeks in the reactor ccolant pump discharge piping for the 35W Icwered 1 cop 177 - fuel asse=bly plants. This report shows that at power levels up to at least 2563 :"dt, full ccmpli-ance with 10 CFR 50.'6 is achieved. 35W is currently 4

extending this study to cover pcwer levels up to 2772 li',Tt and will supple: ant the attached informatien as seen as the studies are cceplete. We request an expediticus review of this infer =atic: by the staff.

Very truly ycurs, g,p'l/?"'l fg 'f f'w

/

Jc.mes H. Taylcr l'.anager, Licensing JHT/bh 7904230@o3i

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