ML20070F231
| ML20070F231 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 03/01/1991 |
| From: | Shelton D CENTERIOR ENERGY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20070F233 | List: |
| References | |
| 1900, NUDOCS 9103080196 | |
| Download: ML20070F231 (2) | |
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CENTERIOR ENERGY Donald C. Shelton 30u Madison Avenus Vce President Nuclear Toledo, Oil 436520001 Davis Besse --
(419)249 2300 Docket l Number 50-346 License Number NPF Serial-Number 1900
-March 1, 1991
. United-States Nuclear Regulatory Commission
-Document Control Desk Vashington, D. C.-_20555
~ Subject s - License Amendment Request to Prease the Allowed Secondary Containment Bypass Leakage Ra m
- Gentlemen
Enclosed is an application for an amendment to the Davis-Besse Nuclear Pwer Station, Unat -1 (DBNPS),- Operating License Number NPF-3, Appei
- A Technical _ Specifications.(TS).
The proposed changes involve TS'3/4.6.1.2, Containment: Systems - Containment Leakage and its associated Bases.
These changes vould2 increase the' allowed secondary containment bypass leakage. rate from 0.015 La to 0.03 La, relocate the111st of containment
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, bypass lu.kage paths (Table 3.6-1) f rom the TS's to the Updated Safety Analysis = Report (USAR), and delete Surveillance Requirements-(SR)-leakage tests-for~typesioficontainment. penetrations'and containment isolation valves
- which are-not-incorporated'ln the DBNPS design.. The revised containment-bypass.. leakage 11mitlvillJincrease the acceptable limit'for test results.
-As a result,3the potential for othertise unnecessary component rework and'
- associated radiation exposure vill be reduced.-'The proposed changes do not L increase of fsi te dose : consequences of analyzed-accidents beyond ' those
_previously found to beiacceptable by=the Nuclear Regulatory Commission in.
the Safety Evaluation-Report (NUREG-0136)-for th_e DBNPS Operating License.
The secondary containment hypass leakage rate vill be measured.during the-upcoming-seventh retuaEleg orcrge..Accordingly, Toledo Edison requests that o
~ this amendment - be issan ^ey thel14uclear Regulatory Commission by September l',1991,ivits 1a.plementation _vithin 45 days' following is uance.
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License Number NPF-3 S,erial Number 1900 Page-2 If you have any questions regarding knis amendment request, please contact Mr. Robert V. Schrauder, Manager - Nuclear Licensing, at (419) 249-2366.
Very truly)yours, (7
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PVS/mmb enclosure cci P. H. Byron, DB-1 NRC Senior Resident Inspector A. B. Davis, Regional Administrator, NRC Region III D. C. Di Ianni. DB-1 NRC Senior Project Manager General J. Villiams, Chief of Staff, Ohio Adjutant General's Office State of Ohio Utility Radiological Safety Board s
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