05000251/LER-1980-001-03, /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

/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: 05000251/LER-1980-001, Forwards LER 80-001/03L-0 05000251/LER-1980-001-03, /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
References
LER-80-001-03L-01, LER-80-1-3L-1, NUDOCS 8002250525
Download: ML17339A623 (4)

LER-1980-001, /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

Event date:
Report date:
2511980001R03 - NRC Website

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REPORTABLE OCCUPRENCE 251-80-01 LICENSEE EYENT REPORT PAGE THO

'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.