ML20084E142
| ML20084E142 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 09/19/1974 |
| From: | Platt C ROCHESTER GAS & ELECTRIC CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20084E141 | List: |
| References | |
| AO-50-244-74-16, NUDOCS 8304140357 | |
| Download: ML20084E142 (2) | |
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FCCNESTER GAS AND ELECTRIC CORPORATION e 69 EAST AVENUE, ROCHESTER, N.Y.14649 i t a t e-ef* f mate.x,..s n 2703 Ginna Statton Septembe r 19, 1974 Mr. Jart s P. O'Reilly, Director Directorate of Regulatory Operations Region I U. S. Atonic Energy Comiss10o 631 Park Avenue Ring of Prussia, Pennsylvania 19406
Subject:
Abnorn.a l Oc c u rre nce 74-16:
Violation of a limiting condition for operation established in the Technical Specifications by allowing the boron contentration in the "A" accumulator to &ct below 1600 ppe
Dear Mr. O'Reilly:
This is to confirr r2y phoac call to Mr. Bert Davis this corning to report Abnorril Occurrente 74-16 at Ginna Statioa.
7.;,
The regular bi-conthly samples of water were taken from the "A" and "B" d [C h@ i
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accus:alators on Septeeber 18, 1974 with the plant load at 911 power. The results of the analysis showed thst the borou concentration in the "A"
accumulator was 1617 ppa and the "b" accu =ulator was 2551 pp.
The July 1974 analy sis sb7.ed that the boron concentration in the "A" accumulator was 2363 ppa and tht "B" accuculator was 2615 pp.
A second set of sa:ples wre obtained and tbc analysis of these samples gare the saae reselts as listed above.
M As soon as the second set of samples verif'ied that the boron concentration
$$ in the "A" accuazulator m below the Tettinical Specification limit of 1803
$8 pp, partiat drainiry; and filling of the "A" av.unatator began, usi.ng 2330 y
pp baron refueling water storage tank water for filling.
Al so, an orderly O
shutdown of the plant begun at the rate of 101 per hour.
5ID:s Oo San.ples wre analyzed every hour and the boron concentration was above 1800 pp by the time the plant load remched 761 pom r.
Another sazple verified g
that the b;ron concentration was above 1!iDD pp.
Load redoction was stopped, no Af ter ste u: generator chemistry was verified, load pickup began.
Partial
" draining and filling of the "A" accumulator continued until the boron con-centration excecdad 2000 ppui.
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RECEIVED VIA FACSIMILE
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'The PORC has met and discussed the abnormal occurrence. Recot:xnendations have been mada for closer. surveillance of the boron concentration in the accu =ula-tors.
Vary truly yours,
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s Charles E. Platt 4
Superintendent CEP:fah cc:
Mr. J. F. 0%ary, AEC Mr. G. J. Swarthout, RG6E Mr. L. D. White, Jr., RC&E a
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