ML18030B208
| ML18030B208 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 03/20/1986 |
| From: | Gridley R TENNESSEE VALLEY AUTHORITY |
| To: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8604020423 | |
| Download: ML18030B208 (4) | |
Text
TENNESSEE VALLEYAUTHORITY Diving 5N 105B Lookout Place March 20, 1986 U.S. Nuclear Regulatory Commission Region II ATTN:
Dr, J.
Nelson Grace, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323
Dear Dr. Grace:
BROWNS FERRY NUCLEAR PLANT UNITS 1, 2, AND 3 NRC-OIE REGION II INSPECTION REPORT 50-259 85-53
-260/85-53, 296/85-53 SUPPLEMENTAL RESPONSE Please refer to J.
A. Domer's letter to you dated January 6, 1986, which transmitted our response to OIE Inspection 85-53 for our Browns Ferry Nuclear Plant.
In item 4 of our, response', it was indicated that we would provide a description of the new calibration procedure by March 17, 1986.
Enclosed is a description of that procedure.
On March 17, 1986, Mike Hellums of my staff and Art Johnson of your staff discussed an extension to March 20, 1986 for submittal of this supplemental response.
If you have any questions, please get in touch with R. E. Alsup at FTS 858-2725, To the best of my knowledge, I declare the statements contained herein are complete and true.
Very truly yours, TENNESSEE VALLEY AUTHORITY R.
ridley Manager of icensing Enclosure cc:
Mr. James Taylor, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
20555 8604020423 860~
PDR ADOCK 05000259 8
An Equal Opportunity Employer mc(
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ENCLOSURE SUPPLEMENTAL INFORMATION BROWNS FERRY NUCLEAR PLANT OIE INSPECTION REPORT NOS. 85-53 The detectors to be used with the main steam line radiation monitor will be sent to the TVA radioanalytical laboratory in Muscle Shoals.
Procedures have been drafted which will have the detectors tested to meet technical specification table 4.1.b note 3 requirements'he detectors will be tested using a calibrated source field (Cs 137 1450 curies, field calibrated using an ion chamber traceable to National Bureau of Standards).
The test performed will be a response test for the upper decade, test for second decade for
- leakage, and an overload test to determine saturation.
The main steam line radiation monitor will be calibrated to the detector installed in that channel.