ML20080A134
| ML20080A134 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 07/18/1983 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| REF-SSINS-6820 IEB-80-11, NUDOCS 8307250127 | |
| Download: ML20080A134 (12) | |
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A TENNESSEE VALLEY AUTHORITYs CH ATTANOOG A. TENNESSEE 374O1 400 Chestnut Street Tower II July 18, 1983 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555
Dear Mr. Denton:
In the Matter of the
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Docket Nos. 50-259 4
50-260 Tennessee Valley Authority
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50-296 As committed in my letter to you dated January 14, 1983, enclosed is revision 3 to the integrated schedule for the Browns Ferry Nuclear Plant. Included is schedule information regarding IE Bulletin 80-11, Masonry Wall modifications, as committed to in my letter to you dated April 22, 1983 We believe that the integrated schedule process has been and will continue to be beneficial in enabling TVA to implement NRC-required modifications. Any additional modifications which are required during the timeframe encompassed by the enclosed schedule will have to be factored into the overall schedule and may require new deferment requests. Revision 4 will be submittediin January 1984.
Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, Nanager Nuclear Licensing dayofj[&XN/>ergre /
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NRC COMMITMENT SCHEDULE CHANGES MODIFICATION JUSTIFICATION Feedwater nozzle cracking and The analysis is complete, schedule RWCU to feedwater line pending results of the evaluation report which is due August 1983.
NUREG 0737, II F1.1, noble gas Unit 2 cycle 6 work has been II F1.2 iodine rescheduled for unit 2 cycle 5.
Rescheduled nonoutage work because of manpower restrictions.
(System operability date has not changed.)
II F1.3 containment hi rad Deleted nonoutage work (commitment II F1.4 containment pressure date unchanged).
III A1.2 Emergency Support Response to NUREG 0737 supplement 1.
Unit 3 cycle 5 - Install unit 3 process computer for parallel operation.
Unit 2 cycle 5 - Test unit 3 process computer.
Unit I cycle 6 - Install unit 1 process computer.
Unit 3 cycle 6 - Complete installation of unit 3 process computer.
Unit 2 cycle 6 - Install unit 2 process computer.
IEB 79-01B qualified instrumentation Schedule changed to comply with federal ruling.
IEB 79-02 and 79-14 modify hangers Removed note (additional inspections and anchor bolts are now required and in progress).
IEB 79-18 emergency evacuation Rescheduled because of revised IEB 79-01B completion date.
IEB 80-17 CRD SD1V and piping Added note (unit 2 complete).
Inspect report 82-01 install wire Submitted new DCR for new design cages around RPS and PCIS inst of personnel restricting barriers (to be implemented after IEB 79-01B replacement is completed).
/
4
. Instrument and control bus problems Added note (permanent solution) 480-Volt shutdown boards and The permanent solution is being provide alternate power supply to implemented first and negates the 16C buses A & B need for these modifications.
Appendix R lighting Added note (unit 2 complete)
IEB 80-11 masonry walls New item on schedule.
Add devices 4n sample lines to Scheduled later because material containment monitoring panels to and design incomplete.
remove condensate Replace vent and drain line Deleted unit 3 schedule. Unit 3 restraints was completed in conjunction with 79-14 inspections.
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