ML20203N820
| ML20203N820 | |
| Person / Time | |
|---|---|
| Site: | 07109205 |
| Issue date: | 04/30/1986 |
| From: | Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Vogt J TELEDYNE ENERGY SYSTEMS |
| References | |
| NUDOCS 8605060080 | |
| Download: ML20203N820 (3) | |
Text
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. ~7/- D 6 NTO FCTC:RH3 Da 71-9205 N APRS 0 W Teledyne Energy Systems ATTN: ffr. John F. Vogt 110 West Timonium Road Timonium, MD 21093-3163 Gentlemen:
This refers to your application dated February 24, 1986, requesting approval of the ffodel No. Sentinel SS package.
In connection with our review, we need the infomation identified in the enclosure to this letter.
i
-Please advise us within 30 days from the date of this letter when this infomation will be provided. The additional information requested by this letter should be subnitted in the form of revised pages. If you have any questions regarding this matter, we would be pleased to meet with you and your staff.
Sincerely, Original signed by caAnLss E. oc3CHALU Charles E. MacDonald, Chief Transportation Certification Branch Division of Fuel Cycle and Material Safety,f! MSS
Enclosure:
As stated Distribution: w/ enc 1 l Docket File NRC PDR IE HQ Region I RH0degaarden (2)
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anc ronu ass no-son nacu o24o OFFICIAL RECORD COPY
Teledyne Eneroy Systens ifodel No. Sentinel SS Packaoe Docket No. 71-9205 Encl to ltr dtd: APR 3 01986 DRAUINGS Fig.1.1, Orawing No. 015-900000, Package Assembly o No indication that the drawing has been reviewed or checked, o No naterial specification given for the folleving itens:
-23 Hex Nut
-189 Hex HD. Bolt
-001 Gasket (size of the gasket should also be specified)
Fig. 1.2, Drawing ffo. 015-900028, RTG/ Inner Container Assembly o No indication that the drawing has been reviewed or checked, o !!o naterial spec. given for Part No. -003 Sq. Hd. Bolt.
o The rectangular tubing shown in Fig. 1.4.a should be shown on the Container Assembly.
o No details given on Preload Assenbly, Part No. 015-9000l?-009.
Fig.1.3.a through 1.3.e, Drawing f!o. 015-900027, Sheets 1 through 5, Rev. A, Outer Container Shipping Cask o Ho indication that the drawing has been checked.
Fig. 1.4.a and 1.4.b, Drawing No. 009-90001, Sheet 1, Rev. C and Sheet 2, Cask Body and Lid, Inner Container o The overall height of the assembled inner container (38.2") is not compatible with the inside height of the assenbled outer container (34.565").
o The naterial specification for the Body, Part No. -001 should call for Orade 2, as required on page 1-3.
o Ho naterial specification or size given for fasteners, o It is noted that Cover plates, Part-015, are gasketed but the inner container lid does not appear to be gasketed.
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NRC FORM 318 (10 80) NRCM O24 OFFICIAL RECORD COPY l
7-Fig.1.5, No drawing number, Sentinel SS RET Assembly o Bolt torque - 65070 in-lbs is excessive.
Fig.1.7.a through 1.7.c, Drawing fio. 015-700002, Sheet 1, Rev. D; Sheet 2, Rev. B; and Sheet 3, Rev. D, Clad Shield Body and Plug o Note 7 requires determination of the physical properties of depleted uranium, l! hat is the acceptance criteria?
o Drawing should _specify welder and welding procedure cualification .
requirements and nondestructive exanination requirements. (
o The number, size, and naterial specification for the fasteners should be given in the " List of Paterials."
Fig.1.8.a and 1.3.b, Drawing No. 015-700001 Sheets 1 and 2, Fousing Meldnent o Provide copies of specifications referenced in drawing notes 1 and
'2.
Fig. 1.0.c, Drawing No. 015-700000, Rev. A, Pousing !!achined ,
o The housing has several bolted and casketed . joints but the drawings do not provide the nunber, size, and material specifications for the fasteners or the size and naterial specification for the gaskets.
Fig. 1.9.a and 1.9.b, Drawing No. 015-400003, Sheets 1 and 2, Rev. B, Head lft.ldrent o In Fig.1.5, the material of the Lid Assenbly is specified as Type 6061-T6. In Fig.1.9.a, the na.fority of the parts are 6061-T651.
This also applies to the Housing Assenbly, Fig.1.8.a. Clarify the ,
inconsistency.
ACCEPTANCE TESTS (SECTI0il 8.1) o Paragraph 8.1.3, Leak Tests, page C-2, states that packaging components will be assenbled and leak tested. The paragraph should state the acceptance criteria.
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NRC FORM 318 (1080) NRCM 024
'- OFFICIAL RECORD COPY _ . _ _ _ _ _ - _ .