ML20053E478

Forwards Request for Addl Info Re 820302 Application for Approval of Model 20-VS & 40-VS Packaging.Submittal Schedule Should Be Provided within 30 Days

ML20053E478
Person / Time
Site:	07109160
Issue date:	05/27/1982
From:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:	Payne A GULF NUCLEAR, INC.
References
NUDOCS 8206080413
Download: ML20053E478 (3)

Text

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() IkW MAY 2 71982 FCTC: RHO 71-9160 Gulf Nuclear, Inc.

ATTN: Ms. Ann E. Payne 202 Medical Center Blvd.

Webster, TX 77598 Gentlemen:

This refers to your application dated March 2,1982, requesting approval of the Model Nos. 20-VS and 40-VS packagings, In connection with our review, we need the information identified in the enclosure to this letter.

Please advise us within thirty (30) days from the date of this letter when this information will be provided. The additional infonnation requested by this letter should be submitted in the fonn of revised pages.

If you have any questions regarding this matter, we would be pleased to meet with you and your staff.

Sincerely, Criginal Signed by cyELES E. MACDONALD Charles E. MacDonald, Chief Transportation Certification Branch Division of Fuel Cycle and Material Safety, MMSS

Enclosure:

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Model Nos. 20-VS and 40-VS Packagings Docket No. 71-9160 Enc 1 to 1tr dtd: MAY 2 71982 DRAWINGS Provide complete engineering drawings of the Model Nos. 20-VS and 40-VS shipping packages. The drawings should show the general arrangement and design features of the package, the materials of construction, dimensions, method of construction, and welds. Each sheet of the drawings should show a drawing number and revision number.

t STRUCTURAL 1.

Show by analysis or test that the lifting devices comply with the requirements of 10 CFR 571.31(c).

2.

The requirements of 10 CFR 571.31(d)(2) for tie-down devices should be addressed.

3.

Show by analysis or test that the package, if regarded as a simple beam supported at its end along any major axis, can support a uniformly distributed load equal to five times its fully loaded weight.

4.

Show that the package meets the standards specified in 10 CFR 571.35 when subjected to the nomal conditions of transport specified in Appendix A to 10 CFR Part 71.

5.

Clarify the orientation' of the 30-foot drop test. Justify that the orientation chosen for the 30-foot drop test represents the most damaging orientation, i.e., what ef91 wild a 30-foot drop on to the lock box (through the center a 0; wity) have on the package.

6.

Clarify the orientations and dg.u%

X. results of the puncture tests. Justify that the orientation d,osen for the puncture test represents the most damaging orientation, i.e., what effect would i

puncture impact onto the lock box have on the package.

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Demonstrate that the shielding cannot change position within the i

i camera as a result of the drop, puncture, and fire tests.

THERMAL 1.

Provide vent holes which are sealed for nomal conditions of transport, but allow release of decomposition products of epoxy in a fire environment.

2.

Provide assurance that the package was not artificially cooled at the end of the 1/2-hour fire test (including a description of how

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.. ' 4 SHIEL.DIh3 Provide radiation profile results before and after the tests at the surface and 36 inches from the surface of package (see Question No. 7 above, Structural).

OPERATING PROCEDURES i

Provide proposed operating and maintenance instructions for use of the package. This should include steps taken to assure proper closure of the package and monitoring of radiation levels.

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