ML20078N544

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Submits Response to Suppl 1 to NRC Bulletin 90-001, Loss of Fill-Oil in Transmitters Mfg by Rosemount
ML20078N544
Person / Time
Site: Farley  
Issue date: 12/02/1994
From: Dennis Morey
SOUTHERN NUCLEAR OPERATING CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-90-001, IEB-90-1, NUDOCS 9412060358
Download: ML20078N544 (2)


Text

e Southern Nuclear Operat,ng Company Post Office Box 1295 Birmingham. Alabama 35201 Telephone (2F5) 668-5131 m

Southern Nudear Operating Company om um, v.ce President Faney Project the 500thern eieC!rtC System December 2, 1994 Docket Nos.:

50-348 50-364 U. S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, D.C. 20555 Joseph M. Farley Nuclear Plant Loss of Fill-Oil in Transmitters Manufactured By Rosemount NRC Bulletin 90-01. Supplement 1 Gentlemen:

During a conference call on September 1,1994, the NRC staff requested that Southern Nuclear Operating Company (SNC) provide a response indicating the status of commitments made in response to the subject bulletin and to address actions (with respect to item 1.f of the bulletin) to maintain a high degree of confidence for detecting transmitter failure due to loss of fill oil. The following is submitted in response to this request.

SNC has completed those commitments contained in the submittal dated February 11,1993 related to the subject bulletin.

In response to item 1.f of the subject bulletin, SNC stated that transmitters QlP17LT3027C and QlPl7LT3027D have normal operating pressures less than 500 psi. These transmitters do not require replacement and do not require monitoring using an enhanced surveillance monitoring program. It is SNC's intent to replace these two transmitters with transmitters inanufactured afler July 11,1989 by the end of the Unit I tenzeling outage scheduled for Fall 1995. Once these transmitters are replaced they will cx inue to be monitored under the normal surveillance / calibration program applicab.e a these transmitters.

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U. S. Nuclear Regulatory Commission Page 2 If you have any questions related to the above, please advise.

Respectfully submitted, SOUTHERN NUCLEAR OPERATING COMPANY

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