05000311/LER-1981-032-03, /03L-0:on 810603,boron Injection Tank Concentration Decreased Below Tech Spec Limits.Caused by Safety Injection Initiated by High Streamline Flow from High Level in Steam Generator 22.Tank Borated

/03L-0:on 810603,boron Injection Tank Concentration Decreased Below Tech Spec Limits.Caused by Safety Injection Initiated by High Streamline Flow from High Level in Steam Generator 22.Tank Borated

ML20009A508
Person / Time
Site:	Salem
Issue date:	06/30/1981
From:	Espey J Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A504	List: 05000311/LER-1981-032, Forwards LER 81-032/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-032-03, /03L-0:on 810603,boron Injection Tank Concentration Decreased Below Tech Spec Limits.Caused by Safety Injection Initiated by High Streamline Flow from High Level in Steam Generator 22.Tank Borated
References
LER-81-032-03L, LER-81-32-3L, NUDOCS 8107130247
Download: ML20009A508 (1)

LER-1981-032, /03L-0:on 810603,boron Injection Tank Concentration Decreased Below Tech Spec Limits.Caused by Safety Injection Initiated by High Streamline Flow from High Level in Steam Generator 22.Tank Borated

Event date:
Report date:
3111981032R03 - NRC Website

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60 61 DOCKET NUM8ER 68 69 EVENT DATE 74 75 REPORT DATE do EVENT DESCRIPTION AND PROBA8L'E CONSEQUENCES h g l At 0440 hours0.00509 days <br />0.122 hours <br />7.275132e-4 weeks <br />1.6742e-4 months <br />, on June 3, 1981, a high level in No. 22 Steam Generator resulted in g

9 a Turbine Trip, Reactor Trip and Safety Injection, Boron Injection Tank concentratiop g o g o, g decreased to less than 20,000 ppm of boron and Action Statement 3.5.4.1 was entered. g g ; This occurrence constituted operation in a degraded mode IAW Technical Specificationg iO ls l l 6.9.1.9.b.

Previous similar occurrence:

81-09.

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3J 3b 36 37 40 el 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h ji ;o;j The Safety Injection caused dilution of the Boron Injection Tank.

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ii ;i l l borated until concentration was within the allowable limits. At 2229 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.481345e-4 months <br />, on l

, j;,yl June 3, 1981, the Action Statement was terminated.

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