ML19247B885

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Notifies of Deficiency in Shipping Container Model 6722/B. Top Corner Drop Analysis of SAR Is Inadequate.Requests Revision of Certificate of Compliance 6722 from Type B to a
ML19247B885
Person / Time
Site: 07106722
Issue date: 07/25/1979
From: Fox H
TENNESSEE VALLEY AUTHORITY
To: Macdonald C
NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
References
NUDOCS 7908160112
Download: ML19247B885 (1)


Text

4Q 7/-472.s TENNESSEE VALLEY AUTHORITY CH ATTANCOG A. TENNESSEE 37401 gd /,4s 716 Edney Building gj

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JUL 251979 p,[(,((ED $

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I tir. Charles E. !!acDonald

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Chief, Transportation Branch s

f, Division of :Iaterial a.

no Fuel Cycle Licensing U. S. '!uclear Regulatory Cocnission Washington, D.C.

20535

Dear '!r. :

acDonald :

In accordance with requirements of 10 CFR Part 71.61, we are notilying you that the Tennescee Valley Authority (TVA) has discovered a problem with its low-level radioactive waste shipping container (I. D. No. USA /6722/3( )).

The problem involves the package impact limiter. The top corner drop analysis, beginning on pa,e 31 of the sasety analysis report, is inadequate. A q

reanalysis is bei;., performed, the results of which will be utilized in the new impact limiter design.

We request that you revise Certificate of Compliance '!o. 6722 for this package from Type 3 to Tyne A.

During the period of noncompliance, all shipnents cade in this tsk ucre qualified for c Type A container. We will not make any shipments requiring a Type 3 container in this cask until recertification has been cocpleted.

Very truly yours, TE!CIESSEE VALLEY AUTEORITY H. S. Fox Director of Power Production cc:

!!r. IIarc 'iansour Project Engineer ATCCR, Inc.

Park 5 fall Peekskill, New York 10566

!ir. Richard

~1. Rawl Of fice of itazardous :'atcrials Operations U. S. Department of Transportation 2uzzard Point 2 u11d in",, ilocn 6213 2100 Second Street, S.

' ashington, D.C.

20590

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