ML17339A623

LER 80-001/03L-0:on 800121,during Semiannual Test of Fire & Smoke Detection Sys in Containment Electrical Penetration Zone 6,supply of Test Gas Became Depleted.Caused by Lack of Assurance by Maint & Supply Personnel Re Sufficient Gas

ML17339A623
Person / Time
Site:	Turkey Point
Issue date:	02/20/1980
From:	Schoppman M FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17339A621	List: ML17339A620 ML17339A623
References
LER-80-001-03L-01, LER-80-1-3L-1, NUDOCS 8002250525
Download: ML17339A623 (4)

Text

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'Additional'vent Descri tion and Probable Conse uences During the semiannual test of the fire and'moke detection system-in containment electrical penetration zone 6, the supply of test gas was depleted. Only 9 of 23 detectors in the zone were tested. All were found operable. Technical Specification 4.15.l.a and Table 3 '4-1 require the system, to be tested.

semiannually and require a minimum of 12 detectors to be operable. During the previous semiannual test, ZZ of 23 .detectors in zone 6 (and 125 of'36 tested) were found to be operable. The detectors have a history of reliability. Three additional detectors were. tested and found operable on February 15, 1980'. This event had no effect on the health-and safety of the public.

Additional Cause Descri tion and Corrective Actions, Root cause of the problem was a lack of assurance by maintenance and supply personnel that a sufficient quantity of test gas was available prior to scheduling the test. This is a recently implemented surveillance test require-ment, and procedure and test gas needs had not been established with adequate experience input. To preclude recurrence, a local supplier of the test gas has been identified.