ML20086H812

Notifies of Completion of Repair Activities on Seismic Monitoring Sys.Sys Restored to Operable Status on 910820

ML20086H812
Person / Time
Site:	Braidwood
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

m

. _,_m Ccmm:nwealth Edistn

- 1400 Opus Place -

Downers Grove, Illinois 60515 g g.

gJ, 3.p hg{WAq (COfI'q.g a%_.

November 25,1991 h

~~

Ku;&'

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

= i,' ty; y (j-9112090419 911125

PDR.

ADOCK 0500o436 P

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

)

~ Document Control Desk NRR-ARC / sci:lD767:27-ff p ~/

l HOV 2 7 fBf y

v e

y 4,

e iy w.-