ML20009C231

LER 81-046/01T-0:on 810423,insp/leak Detection Measures Assumed for Postulated Breaks in Loop B 10-inch Accumulator Injection Line in Lieu of Structural Restraints to Prevent Unacceptable Interactions.Design Will Be Revised

ML20009C231
Person / Time
Site:	McGuire
Issue date:	05/07/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C226	List: ML20009C225 ML20009C231
References
LER-81-046-01T, NUDOCS 8107200394
Download: ML20009C231 (1)

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EVENT CESCAIPDON ANQ PRQtuSLE CT4 SEQUENCES rasi l Inspection / leak detection measu s were assumed for postulated breaks in Loop B 10-inch Accumulator Injection line in lieu of providing structural r5Tri l restraints or barriers to prevent unacceptable interactions. This is in j io,s,i violation at the existing Licensing agreement for pipe rupture protection. ,

o , , Loss of functional integrity of certain Nuclear Sampling or S/G Blowdown ,

g ,,,, lines could eventually result in loss of containment integrity. The g, health and safety of the public have not been affected.

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cAust oEscasPnoN Ano conneenvE ACTIONS gl The inspection / leak detect on program was considered applicable to ,

Loop B lt-inch Accumulator Injection Line contrary to the existing i Licensing agreement. The program applicable to the other 10-inch Accumulator Injection lines will be implemented. The affected design I r

, document will be revised. An affected electrical cable will be rerouted.

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