ML19338C828

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LER 80-029/03L-0:on 800723,during Performance of Sp 6.4.5.10,fire Hydrant HT-1 Could Not Be Opened.Caused by Broken Stem Top Section.Section Replaced & Personnel Instructed to Avoid Using Unnecessary Force When Closing
ML19338C828
Person / Time
Site: Cooper Entergy icon.png
Issue date: 08/12/1980
From: Allen M
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338C820 List:
References
LER-80-029-03L, LER-80-29-3L, NUDOCS 8009050331
Download: ML19338C828 (1)


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LICENSEE EVENT REPORT

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7 60 $1 DOCK ET NUV8 E R 68 69 EVENT OATE 74 75 REPORT DATE 80 EVENT DESCRIPTION 4:40 PROBABLE CONSEQUENCES h I O I 2 I buring nerformance of S.P. 6.4.5.10. fire hydrant HT-1 could not be ooened. In the  !

I O I 3 I levent of a fire in the Service Water Pumo Room. which may reouire the hydrant for I l o 14 l panual fire fighting purposes, fire hydrant HT-2 could have been used. Sufficient l l o I s I hose was in the immediate area and HT-2 was operable. This occurrence presented no l 13 is I bdverse conseauences from the standpoint of oublic health and safety. I 10171 I I I O lH l 3 l 7 g 9 SO SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUSCODE COMPONENT CODE SUSCODE SUSCODE LO_1.2J 8

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40 41 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h j lt i o l [Upon disassembly of the hydrant, it was noted the stem top section, which is thread-l l l i l i i led and pinned on the stem, had broken and allowed the stem top section and stem to 1 ii12i Iseparate. The hydrant is a Kennedy Sk", 150#, Figure K12. The stem top section was l l > I 3 I Ireolaced and oersonnel have been instructed to avoid using unnecessarv force when i Il 14i lcinning rho hyrfrnne en nrovone rpenrrancp. I 7 8 9 80 STA S *,POWER OTHERSTATUS dis O RY DISCOVERY DESCRIPTION h lt l 5 l l.EJ@ lo 19 Ia l@l NA l lBl@l Engineer Observation l l A TivlTY CO TENT RELE ASED OF RELE ASE li Ie 8I 3L2J @ LzJ@l 7 10 i1 AMOUNTOF NA 44 ACTIVITY l

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