ML20086H812

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Notifies of Completion of Repair Activities on Seismic Monitoring Sys.Sys Restored to Operable Status on 910820
ML20086H812
Person / Time
Site: Braidwood Constellation icon.png
Issue date: 11/25/1991
From: Simpking T
COMMONWEALTH EDISON CO.
To: Davis A
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9112090419
Download: ML20086H812 (1)


Text

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November 25,1991 h

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Mr. A. Bert Davis -

Regional Administrator U.S. Nuclear Regulatory Commission

- 799 Roosevelt Road-Rill Glen Ellyn, ll 60137

Subject:

Braldwood Station Unit 1 Seismic Monitor -

NBC_Rnche1BoL50_456 Refernce: (a)

NUREG 1276, Technical _ Specification (b).- - April 30,1991 letter from A.R. Checca to A.B. Davis Dear Mr.' Davis!

Braidwood Station Technical Specification 3.3.3.3 states that with one or

- more of the required seismic monitors inoperable for more than 30 days, prepare and -

- submit a special report to the Commission, pursuant to specification 6.9.2 within 10-

- days outlining the cause of the malfunction and the plans for restoring the instrument (s) to operable status, Reference b) provided this report, detalling the actions taken tore

- Instrumentation. This letter is be ng submitted in order to notify you of the comple'lon of the repair activity. The seismic monitoring system was restored to operable status-

on August 20,1991.

Please direct cny questions concerning this submittal to this office.

Sincerely, P

Qji.s?A bh" T.W. Simpkin -

- Nuclear Licensing Administrator

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PDR cc: R.M. Pulsifer, Project Manager - NRR S. Dupont, Resident inspector ~- Braidwood

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