05000366/LER-1980-037-03, /03L-0:on 800328,while in Cold Shutdown & Performing Reactor Water Chemistry,Noted Chloride Concentration Was 0.116 Ppm.Cause Attributed to Reactor Water Cleanup Sys Out for 26-days.Cleanup Sys Fixed

/03L-0:on 800328,while in Cold Shutdown & Performing Reactor Water Chemistry,Noted Chloride Concentration Was 0.116 Ppm.Cause Attributed to Reactor Water Cleanup Sys Out for 26-days.Cleanup Sys Fixed

ML19309E569
Person / Time
Site:	Hatch
Issue date:	04/17/1980
From:	Rogers W GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19309E564	List: 05000366/LER-1980-037, Forwards LER 80-037/03L-0 05000366/LER-1980-037-03, /03L-0:on 800328,while in Cold Shutdown & Performing Reactor Water Chemistry,Noted Chloride Concentration Was 0.116 Ppm.Cause Attributed to Reactor Water Cleanup Sys Out for 26-days.Cleanup Sys Fixed
References
LER-80-037-03L, LER-80-37-3L, NUDOCS 8004220658
Download: ML19309E569 (2)

LER-1980-037, /03L-0:on 800328,while in Cold Shutdown & Performing Reactor Water Chemistry,Noted Chloride Concentration Was 0.116 Ppm.Cause Attributed to Reactor Water Cleanup Sys Out for 26-days.Cleanup Sys Fixed

Event date:
Report date:
3661980037R03 - NRC Website

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8 60 61 DOCK ET NUMS EH 6d 63 EVENT D ATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h O 2 l While the reac' tor was in cold shutdown and while eerfoming roactor 1

0 3 I water chemistry, it was noted that the chloride concentration was I

l0 l4 l 1 0.116 ppm. Technical Specifications limit of 0.1 porn in Table 3.4.4-1 I

p. ij i was exceeded. There was no effect on safe plant operation or I

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system being out for 26 days. The Rx H 0 cleanuo systen was fixnd and I

3 g, i,i i returned to service in 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> following this event.

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REPORT

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Georgia Power Company Plant E. I. Hatch Baxley, Ga.

31513 Reportable Occurrence Report No. 50-366/1980-037 With the reactor in cold shutdown, chloride concentration in the Unit II reactor water was found to be 0.116 ppm. Technical Specifications Table 3.4.4-1 limit of 0.1 ppm was exceeded.

Corresponding conductivity was 2.2 umhos. This is within the limit of 10 pmhos.

The cause of this event has been attributed to the reactor water cleanup system being out of service for repair for 26 days. The reactor water cleanup system was repaired and returned to service within 24 ho,urs.

Chloride concentration was within limits before the Technical Specifications requirement of 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> was exceeded; therefore, an engineering evaluation was not necessary.

There were no effects on safe plant operatfor or public health and safety.

This is a non-repetitive occurrence. This event is not applicable to Unit I in that the Tech Specs limit for chlorides for Unit I is 0.5 ppm.

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