ML20079Q273

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Forwards Bounding Analytical Assessment of NUREG-0630 on LOCA & Operating Kw/Ft Limits, Per
ML20079Q273
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 05/06/1983
From: Crouse R
TOLEDO EDISON CO.
To: Stolz J
Office of Nuclear Reactor Regulation
Shared Package
ML20079Q276 List:
References
RTR-NUREG-0630, RTR-NUREG-630, TASK-2.K.3.30, TASK-TM 945, TAC-45817, NUDOCS 8305110437
Download: ML20079Q273 (1)


Text

7 TOLEDO Docket No. 50-346 EDISON License No. NPF-3 Froumo p cnow a , m m.m Serial No. 945 N<**

msma va May 6, 1983 Director of Nuclear Reactor Regulation At ention: Mr. John F. Stolz Operating Reactor Branch No. 4 Divisio.: of Operating Reactors United States Nuc1 car Regulatory Commission Washington, D.C. 20555

Dear Mr.Stolz:

In our letter dated April 5, 1983 (Serial No. 929), Toledo Edison Provided our plan to submit supplemental ECCS calculations using the cladding models of NUREG-0630 by May 9, 1983. Attached is the results of the analysis.

The impact of NUREG-0630 for Davis-Besse Unit 1, is an additional 0.5 KW/ft reduction in LOCA limits at the 2 foot elevation.

Very truly yours, f$ P (' w w x /T%h RPC:FYC cc: DB-1 NRC Resident Inspector i

00l 0305110437 830506 DR ADOCK 05000346 PDR THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO OHIO 43652