ML20024B321

Forwards Rev 2 to Cnsi 21-300 Type a Radwaste Shipping Cask SAR, App 1,describing & Evaluating New Load Distribution Pallet,Auxiliary Shield,Thermal Analysis & Revised Operating Procedure.Rev Supersedes 830228 Version

ML20024B321
Person / Time
Site:	07109096
Issue date:	06/28/1983
From:	Poppe L CHEM-NUCLEAR SYSTEMS, INC.
To:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
Shared Package
ML20024B322	List: ML20024B321 ML20024B323
References
22471, RA-0159-3, RA-159-3, NUDOCS 8307080404
Download: ML20024B321 (10)

Text

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7/- Vd9h PM CHEM-NUCLEAR SYSTEMS INC.

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240 Stoneridge Drive, suite 100 + Columbia, South Carolina 29210 + 803/256-0450 4

June 28, 1983 RA-0159-3 p

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'O Mr. Charles E. MacDonald

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U.S. Nuclear Regulatory Comnission

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Dear Mr. MacDonald:

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RE:

Docket No. 71-9096

_.8-We are herewith submitting for your review and ap poval Appendix 1 to the CNSI 21-300 Type A Radwaste Shiyping Cask Safety Analysis Report.

This submittal supersedes our previous submittal, dated February 28, 1983, for this cask.

Appendix 1 contains our description and evaluation of:

1)

A new load distribution pallet to simplify and facilitate uniformity and consistency in the stack-up of the 21-55 gallon drum configuration certified for the CNSI 21-300 Radwaste Cask.

2)

An auxiliary shield utilizing the new load distribution pallet as a lid for the shield.

3)

A thermal analysis for the cask.

4)

Revised operating procedure to include the use of the internal shield.

In addition, we are submitting eight (8) copies of the engineering drawings of the new full height shield and lid pallet to be included in the SAR.

Use of the cylindrical auxiliary shield (which is rotationally synnetric) and the spacer pallet inside the cask requjyes no cask modifications or weight increase.

We9 Ware Kns N red part of the payload so that their weight, together with the cask contents and shoring, will not exceed the authorized i

27,250 lbs. payload or 57,450 lbs. gross weight.

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Mr. Charles E. MacDonald June 28, 1983 Item (4) consists of a procedural change document which has been reviewed by the CNSI Safety Review Board.

The changes will be made to the procedure upon issuance by the NRC of a revised C of C to include the auxiliary shield.

Details of our evalution are contained in Appendix 1 to the SAR, herewith attached.

Please contact us for any additional inforation which might expedite your review.

Sincerely, CHEM-NUCLE YST BIS, INC.

w L. K.

Poppe Corporate Health Physicist LKP:ps

Enclosures:

8 copies of the following:

Revisions to CNS 21-300 SAR Procedure TR-0P-011, Rev. F Procedure Change Request No. TR-0P-011-07 l

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