ML17266A442

LER 81-010/03L-0:on 810225,inlet Damper to Filters Moved in Open Direction During Testing to Determine If Control Room & Technical Support Ctr Could Be Pressurized W/Makeup Per Tech Spec.Caused by Personnel Error.Flow Adjusted

ML17266A442
Person / Time
Site:	Saint Lucie
Issue date:	03/27/1981
From:	Simmons K FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17209A974	List: ML17209A973 ML17266A442
References
LER-81-010-03L, LER-81-10-3L, NUDOCS 8104240527
Download: ML17266A442 (1)

Text

NAC FOAM 386 U. S. NUCI.EA'R RECULATORY COMMISSION (7 773 LICENSEE EVENT REPORT

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cVENT DESCRIPTION ANO PROBABLE CONScCUENCES Q

'r During testing to determine if control Q10 room and Technical Su ort Center could be pressurized with makeup required by Tech Spec 4.7.7, 1. The inlet damper to the filters was moved in the o en direction b testin ersonnel.

The significance of flow re uirements was not realized until about 15 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> later during discussion of the test. About 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br /> later (38 hours4.398148e-4 days <br />0.0106 hours <br />6.283069e-5 weeks <br />1.4459e-5 months <br /> total), the system flow was found to exceed TS 4.7,7. l.cl by 10/ and was immediately readjusted. First LER of this type.

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CAUSc DESCRIPTION ANO CORAEC'3 IVB ACTIONS Q2)

Cause of the event was personnel error on the part of testing personnel.

Personnel involved have been instructed regarding finding unusual conditions and movement of plant flow control devices. This condition

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~dd I id performing its function and is of minor safety significance.

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p 58 K.M. Si(I(mons P.O.EI 552-3815