ML20076J529: Difference between revisions
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.' , Georgia Power Company Post Office Box 439 ~~' | |||
Bexley, Georgia 31513 Telephone 912 367 1RO 9^ M' O N * *N' | |||
+ 0T'4 912 537 f,y(I I' | |||
?. _ d | |||
* GeorgiaFbwer Edwin I. Hatch Nuchb August 31, 1983 GM-83-842 PLANT E. I. HATCH Licensee Event Report Docket No. 50-366 United States Nuclear Regulatory commission Office of Inspection and Enforcement Region II Suite 3100 101 Marietta Street Atlanta, Georgia 30303 ATTENT ION : Mr. James P. O'Reilly Reportable Occurrence number 50-366/1983-061 was reported to you on August 8,1983, via an RO telegram; however, further investigation has shown that the occurrence should not have been considered a reportable occurrence (refer to attached narrative). Thus, we are withdrawing that report. Also, please note that this report number will be used for a subsequent reportable occurence. | |||
i H. C. Nix General Manager N | |||
HCN/SBT/djs xc. R. J. Kelly G. F. Head J. T. Beckham, Jr. | |||
P. D. Rice K. M. Gillespie S. B. Tipps R. D. Baker Control Room opHCIAI. COPY Document Control b 3 | |||
} | |||
iWmwaan PM t/t | |||
, J. | |||
-Item 2- of . Tech. Specs. table 3.3.5-1 requires the following to be operable in order for the Rod Block Monitors (RBM) to be operable: | |||
upscale, inoperative, and downscale. | |||
The RBM's have the following functions: downscale, inoperative, low trip, intermediate trip, and high trip. The intermediate trip acts Las the. upscale trip below 100 % of rated recirculation flow, and then the high trip acts as the upscale trip. | |||
The RO telegram reported that the intermediate trip was set in a non-conservative direction. Further investigation has shown that.the intermediate trip was set correctly; the low trip was the only trip setpoint which was; outside of the procedural requirements. There is no Tech. Specs. requirement for.the low trip. | |||
This event was determined to be non-repcrtable on August 15, 1983, in | |||
) Plant Review Board meeting number 83-159. | |||
_ _ _ . _ _ . _ _- . , . _ _ _ .. __ _ . _ _ _ _ _ _ _ _ _ _ _ -}} | |||
Revision as of 07:24, 20 May 2020
| ML20076J529 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 08/31/1983 |
| From: | Nix H GEORGIA POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| GM-83-842, NUDOCS 8309070224 | |
| Download: ML20076J529 (2) | |
Text
.
e S
-[ ,
,e- .
.' , Georgia Power Company Post Office Box 439 ~~'
Bexley, Georgia 31513 Telephone 912 367 1RO 9^ M' O N * *N'
+ 0T'4 912 537 f,y(I I'
?. _ d
- GeorgiaFbwer Edwin I. Hatch Nuchb August 31, 1983 GM-83-842 PLANT E. I. HATCH Licensee Event Report Docket No. 50-366 United States Nuclear Regulatory commission Office of Inspection and Enforcement Region II Suite 3100 101 Marietta Street Atlanta, Georgia 30303 ATTENT ION : Mr. James P. O'Reilly Reportable Occurrence number 50-366/1983-061 was reported to you on August 8,1983, via an RO telegram; however, further investigation has shown that the occurrence should not have been considered a reportable occurrence (refer to attached narrative). Thus, we are withdrawing that report. Also, please note that this report number will be used for a subsequent reportable occurence.
i H. C. Nix General Manager N
HCN/SBT/djs xc. R. J. Kelly G. F. Head J. T. Beckham, Jr.
P. D. Rice K. M. Gillespie S. B. Tipps R. D. Baker Control Room opHCIAI. COPY Document Control b 3
}
iWmwaan PM t/t
, J.
-Item 2- of . Tech. Specs. table 3.3.5-1 requires the following to be operable in order for the Rod Block Monitors (RBM) to be operable:
upscale, inoperative, and downscale.
The RBM's have the following functions: downscale, inoperative, low trip, intermediate trip, and high trip. The intermediate trip acts Las the. upscale trip below 100 % of rated recirculation flow, and then the high trip acts as the upscale trip.
The RO telegram reported that the intermediate trip was set in a non-conservative direction. Further investigation has shown that.the intermediate trip was set correctly; the low trip was the only trip setpoint which was; outside of the procedural requirements. There is no Tech. Specs. requirement for.the low trip.
This event was determined to be non-repcrtable on August 15, 1983, in
) Plant Review Board meeting number 83-159.
_ _ _ . _ _ . _ _- . , . _ _ _ .. __ _ . _ _ _ _ _ _ _ _ _ _ _ -