ML20066J451

From kanterella
Jump to navigation Jump to search

Advises That ATWS Initial Test Program Mods Completed at Units 1 & 2 on 900227 & 1026,respectively.Initial Test Program Completed at Unit 2 on 870814
ML20066J451
Person / Time
Site: Byron  
Issue date: 02/20/1991
From: Schuster T
COMMONWEALTH EDISON CO.
To: Murley T
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation
References
TAC-59077, TAC-63258, TAC-64127, ZNLD-651:8, NUDOCS 9102260199
Download: ML20066J451 (1)


Text

_ _ _ - _ _ _. _ -

l Commonwealth Edison

.g.

1400 Opus Place Downers Grove, Illinois 60515 February 20, 1991 Dr. Thomas E. Hurley, Director i

Office of Nuclear Reactor Regulation L

U.S. Nuclear Regulatory Commission 1

Washington, D.C. 20555 Attn:

Document Control Desk

Subject:

Byron Station Units 1 and 2 Articipated Transient Hithout Scram Rule Implement 3 tion and Unit 2 Initial Test Program Completion MC_Qorkt.t-Nos. 50-454 & 50:.415 4

Reference:

a) TAC #59077, 63258 and 64127 Dear Dr. Hurli.y.

The purpose of this letter is to convey Implementation completion dates for Anticipated Transient Hithout Scram (ATHS) modifications.

Byron Units 1 and 2 modifications were completed by February 27, 1990, and October 26, 1990

i. -

respectively.

In addition, the Byron Unit 2 " Initial Test Program" was L

completed by August 14, 1987, when startup testing for Unit 2 was identified as completed.

Please direct any further questions on this subject to this office.

Respectfull,

'l Terence K. Schuster Nuclear Licensing Administrator TKS/rg cc:

A.H. Hsia - NRR Resident Inspector - Byron A. Bert Davis 0

9102260199 910220 ADOCK0500g4 (k

\\\\Q DR i

\\

ZNLD/651:8

~

- - - - - - - - - -