ML19337B040
| ML19337B040 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 09/10/1980 |
| From: | Morisi A BOSTON EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| 80-215, IEB-80-14, NUDOCS 8010010237 | |
| Download: ML19337B040 (2) | |
Text
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Yk BOsrON EDISON COMPANY Gs sea 6 Car. css sco Govtsto Semest B o s TO N, MassACHUSCTTs 02199
- 4. ?!CTOR teor 151 namacan RICLEAR OPSSATIONS SUPP0af DEPARTIENT September 10, 1980 BECo. Ler. #80-215 Mr. Boyce H. Grier, Director Office of Inspection and Enforcement Region I U.S. Nuclear Regualtory Commission 631 Park Avenue King of Prussia, PA.
19406 License No. DPR-35 Docket No. 50-293 Additional Response to IE Bulletin 80-14 Ref. a.) IE Bulletin 80-14 " Degradation of Scram Discharge Volume Capability" dated June 12, 1980 b.) BECo letter (G. C. Andognini) to NRC (B. H. Grier)
" Response to IEB 80-14", dated July 30, 1980
Dear Sir:
During an inhouse review of our response Ref. a.) to IE Bulletin 80-14 Ref. b.),
it was determined that further information relative to Item #3 would be appropriate.
Therefore, the following additional information is offerred:
Item 3.
By procedures, require that the SDV vent and drain valves be normally operable, open and periodically tested..If these valves are not operable or are closed for more than I hour, in any 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> pe-tod during operation, the reason shall be logged and the NRC notified within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (Prompt Notification).
Revised Station Procedure.
Response
a.
Current procedures already require that the SDV vent and drain valves be normally operable and open.
8010820 2 37
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BOOTON E!12 N COMPANY Mr. Boyce H. Grier, Director September 10, 1980 Page 2 b.
Station Procedure 2.2.17 has been revised to include the notification requirements.
c.
Procedures are being prepared to periodically test the vent and drain valves.
In order to determine time from scram initiation to full closure, the reactor must be subjected to a full scram, therefore, a frequency of once per cycle has been established for this periodic testing.
Procedures will be in place e
by January 1, 1981.
Should you have any questions regarding this letter, please do not hesitate to Contact us.
1 Very truly yours, Qjr1/.V*"d 1
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