05000317/LER-1980-053-01, /01T-0:on 800926,during Survey of Masonry Wall Design,Three Stacked Shielding Walls Were Identified as Having Possible Impact on safety-related Sys.Caused by Installation Prior to Implementing Mod Control Program

/01T-0:on 800926,during Survey of Masonry Wall Design,Three Stacked Shielding Walls Were Identified as Having Possible Impact on safety-related Sys.Caused by Installation Prior to Implementing Mod Control Program

ML19347B321
Person / Time
Site:	Calvert Cliffs
Issue date:	10/03/1980
From:	Denton R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19347B319	List: 05000317/LER-1980-053, Forwards LER 80-053/01T-0 05000317/LER-1980-053-01, /01T-0:on 800926,during Survey of Masonry Wall Design,Three Stacked Shielding Walls Were Identified as Having Possible Impact on safety-related Sys.Caused by Installation Prior to Implementing Mod Control Program
References
IEB-80-11, LER-80-053-01T, LER-80-53-1T, NUDOCS 8010140402
Download: ML19347B321 (2)

LER-1980-053, /01T-0:on 800926,during Survey of Masonry Wall Design,Three Stacked Shielding Walls Were Identified as Having Possible Impact on safety-related Sys.Caused by Installation Prior to Implementing Mod Control Program

Event date:
Report date:
3171980053R01 - NRC Website

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NF C FGHM 366 U. S. NUCLEAR REGULATOHY COMMISSION (7 77)

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60 61 00CKET NUMSER 68 69 EVENT 0 ATE 74 75 REPORT OATE 80 EVENT DESCRIPTION AND PROBASLE CONSEQUENCES h 10121 l As a result of the survey cerfomed oer the recuiraments nf TF %11atin 90 11.

I t o t a l I "Masonary Wall Desian", several deficient items wet nc'.ed.

In the_grccess I

l o t a l I of the survey. three stacked shieldina walls (constructed without mortar or i

IO Isl I reinforcement) were identified as havino a oossible imoact on safety related 1

IOis1Isvstems. This is not a racetitive occurrenca.

Further dotwile are available l

1017 I I in A. E. Lundvall. Jr to B. H. Grier lottars of_7/3/R0 and 0/Ti/R0 regarding I

j i o I a I LIE Bulletin 80-11.

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ii 6 7 i i crogram (Facility Change Reouest proaram). Under the cresent orocram, all I

j 1i I 3 I l cemanent facility modifications must be analyzed for safety imoact.

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LER ATTACHMENT LER NO.

80-053/lT DOCKET NO.

50-317 EVENT DATE 9/26/80 REPORT DATE 1/03/80 ATTACHMENT I

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' CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (CONTINUED)

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This program would prevent the future installatio1 of walls such as those noted during the subject survey.

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