ML19321A706

Certificate of Compliance 5607,Revision 1 for Model GE T-2

ML19321A706
Person / Time
Site:	07105607
Issue date:	05/31/1980
From:	Bauer R ENERGY, DEPT. OF
To:
Shared Package
ML19321A703	List: ML19321A702 ML19321A706
References
166722, NUDOCS 8007240094
Download: ML19321A706 (3)

Text

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SAFETY ANALYSIS REPORT T-2 Shipping Package 1.1 Introduction This supplement to the April 1980 Safety Analysis Report (SARP) for the T-2 Shipping Package covers the addition of a stainless steel, sheet-metal liner inside the shipping case. The r.heet-metal liner serves to protect the "Marinite" insulation from physical damage and contamination during normal loading and unloading operations.

1.2 Package Description l.2.2

-Packaging 1.2.2.1 shipping Case A 16-gauge (0.0625-in. thick) stainless steel, sheet-metal liner inside the shipping case protects the "Marinite". from physical damage and possible contam-ination during nomal loading and unloading operations.

A 1/8-in. clearance is maintained between the sheet-metal liner and the cask, except at the cone-shaped end plates.

Fig. 1.2 shows the principal elements of the T-2 shipping case.

2.0 Structural Evaluation 2.1 Structural Design 2.1.1 Discussion A sheet-metal liner inside the shipping case protects the "Marinite" from physical damage during normal loading and unloading operations. The thin sheet-metal liner will deform under severe impact conditions and allow the "Marinite" to absorb the impact energy.

2.6.1 HEAT 2.6.1.2 Differential Themal Expansion

.There is a minimum clearance of 1/8-in. between the sheet-metal liner of the shipping case and the cask at each end of the cart, which is sufficient to accommodate the 1/4-in. longitudinal clongation of the cask.

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3.0

. Thermal Evaluation.

3.2

- Summary of Thermal Properties The shipping case is composed of Marinite XL encased in an A-516 steel shell with carbon steel support tubes and a~~

stainless-steel sheet-metal liner.

3.5 Hypothetical Thermal Accident Evaluation 4

3.5.2 Package Conditions and Environment Recognizing that the epoxy paint used on the"Marinite XL" surfaces is combustible, it was conservatively assumed that all the paint between the shipping case halves will burn during the fire.

The actual possibility of conditions favorable for combustion

- of the paint, particularly since it is covered by, a, sheet-metal liner, are judg,ed to be remote.

3.5.6 Evaluation of Packace Performance for the

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Hypothetica TThermai Accident.

J As noted in the meme presented in Appendix 3.6.7, the 16-gage stainless-steel liner has no significant effect on the thermal analysis of the llypothical Thermal Accident.

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. LABORATORY 3.6 APPENDIX INTR A-L ABOR ATORY MEMO

-3.6.7 Memo, Shipping Case Liner May 8, 1980 To:

G. M. Teske From:

F. D. McGinnis

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Subject:

Effect of' Proposed T-2 Shipping Case Liner on Thermal Analysis In the above reference, the temperature distribution in the T-2 shipping case during the hypothetical thermal accident was calculated using the HEATING finite difference conduction computer code.

Figure 3.4 gives the lattice structure used for the HEATING code calculations, Pages 3-75 and 3-76 give the temperatures calculated with the code at 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> for the pland theta equals 1.571 radians (referring to Figure 3.4).

This plane includes the vertical lifting lugs and the horizontal painted surfaces of insulation between the two halves of the' shipping case.

In the area of the vertical lif ting lugs, where there is.no insulation, the temperature varies from approximately 900 F at the outer part of the lug to 200 F at the inner part of the lug.

In the rest of the shipping case, where there is painted insulation, the temperature is relatively even (530 F to 630 F).~

From the lack of a temperature gradient and the relatively high temperatures across the insulation, I infer that these temperatures are due to the burning epoxy paint.

The proposed 16-gage stainless steel liner represents a relatively small thermal path through the shipping case compared to the support rings and lif tir.g lugs.

I calculated the temperature gradient across the. proposed. liner usinc a 1-D model using 12 linear elements and 5 time steps of 0.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. Without considering conduction away from the inner edge of the liner, the ma3imum inner edge temperature at 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> was calculated to be 689 F at the 1.0-ft. radius (0.5 f t. from the outside of the shipping case) and 289 F at the 0.667 f t. radius (0.833 f t. from the outside of the shipping case). This maximum calculated inner edge temperature is not much higher than the temperatures discussed above for the burning epoxy paint region (i.e.,660 F at 0.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br />, 630 F at 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />).

The 16-gage stainless steel liner proposed for the T-2 shipping case does nothave a significant affect on the thermal analysis of the hypotheticalthermal accident presented in the Safety Analysis Report.

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4-DOE-Evaluation Statement Supplement No. 1 to Safety Analysis Report T-2 Shipping Package I.

Introduction A supplement to the Safety Analysis Report for Packaging (SARP) for-the T-2 shipping container has been prepared. This' describes and evaluates-the installation of-a thin sheet metal liner which covers the,Marinite cushioning material in the outer shipping case. The evaluation shows adding this liner does not alter the shipping container's capability to meet the regulatory requirements.

DOE Manual requirements of 0529 and 5201 and 10 CVR 71 continue to be complied with.

II.

Reviews.

The supplement was prepared by the HFEF organization of ANL-West

-Division. An independent review was made by the Radiological Engineering Department of the ANL-West Division.

The DOE review was made by.R. I. Elder of the Chicago Operations and Regi#aal Office's. Operational and Environmental Safety Division.

Mr. Elder made the review of the initial SARP.

III.

Evaluation Results The~following summarizes the conclusions about the SARP Supplement resulting from the CORO review.

1.2 - Package Description Words-added to Section 1.2.2.1 Shipping Case adequately describe'the inclusion of the stainless steel liner.

2.0 - Structural Evaluation

- Words have been added which discuss the function of the liner to protect the Marinite and assesses the ability of the liner to accomodate differential thermal expansion. An adequate assessment was made.

3.0 - Thermal Evaluation

-An evaluation was made to demonstrate the presence of the liner has no adverse impact on the impact of the shipping container to withstand the hypothetical thermal accident. The evaluation. presents results of calculations made to determine temperatures the stainless steel liner would experience-in the fire. The presence of the liner only slightly alters'the temperature distribution radially across the-shipping case,

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when compared to the evaluation made without the' liner.

Consequently,

.it'can be correctly concluded the presence of the thin stainless steel

' liner docs'not have an impact on the thermal behavior shipping case.

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U.S. DEPARTMENT OF ENERGY oor Form ev43g u t.nl CERTIFICATE OF COMPLIANCE

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I' C " #3 For Radioactive Materials Packages

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13. Certificate Number 1b. Revision No, Ic. Package Identification No.

Id. Page No.

le. Total No. Pages.

St07 1

USA /5607/BF(D0E-CORO) 1 3

2. PREAMBLF

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This certificate is issued to satisfy Sections 173.393a,173.394,173.395, and 173.396 of the Department of Transportation Hazardous

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Materials Regulations (49 CFR 170-1891.

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The packaging and contents described in item S below, meets the safety standards set forth in Subpart C of Title 10, Code of Federal ll.]

Regulations, Part 71, Packaging of Radioactive Material for Transport and Transportation of Radioactive Material Under Certain 1

Conditions.**

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This certificate does not relieve the consignor from compliance with any requirement of the regulations of the U.S. Departrnent of

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Transportation or other applicable regulatory agencies, including the government of any country through or into which the package will be transported.

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3. This certificate is issued on the basis of a safety analysis report of the package design or application-(1) Pr: pared by (Name and address):

(2) Title and identification of report or application:

(3) Date:

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rr~y 4pril, 1980 j

E.I. du Pont de Nemours & Co.

1.

T-2 Shipping Package Savannah River Laboratory Safety Analysis Report Aiken, South Carolina 29801 2.

Supplement No. 1 to Safety Analysis Report, T-2 Shipping Package i

4. CONDITIONS This certificate is conditional upon the fulfilling of the requirements of Subpart D of 10 CF R 71, as applicable, and the conditions specified

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5. Description of Packaging and Authorized Contents, Model Number, Fissile Class Other Conditions,and

References:

a.

Packaging 7

..j (1) Model No. GE T-2

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Description s

An air cooled lead shielded shipping cask.

The cask is a double-walled steel N

H circular cylinder with thickened shielding in the center portion.

The central cavity is 6.056 inches in diameter by 99 11/16 inches long. The lead shielding

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is 8.0 inches thick along a 45 inch center section which reduces to 4.188 inches thick at each 36 inch long end section.

Cask closure is accomplished by a E

gasketed and bolted steel plug.

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[lll The cask is enclosea in a shipping case 36 inches in diameter by 133 inches long.

5 The case is filled wf cn Marimite which serves as an impact absorbing media to f

protect the cask.

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The Marinite is covered with a 16-gauge stainless steel metal liner.

The liner is welded to the shipping case and serves to protect the Marinite from physical damage and possible radioactive contamination.

Four steel tubes located in the k;;.

center of the shipping case support the cask in the case.

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=d 6a. D;te of Iss.uance: May

. 1980 l 66. Expiration Date:

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FOR THE U.S. DEPARTMENT OF ENERGY 7a. Address (of DOE issuing Officel 7b. Signature, Name, and Title (of DOE Approving Official)

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.uMirv ce 98 0 ou Cas Argonne, Illinois 60439

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Em Co'ntents are contained within either the ANL/HFEF insert or the TREAT

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"i vessel insert.

The inserts fit within the cask's inner cavity.

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Drawings li:'=

[h G.E. Cask ANL Insert 919D755 Rev.

W0147-0227-DD

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a 153F966 WO147-0229-DC

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106D3'721 W0147-0231-DD

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DuPont Cask W0147-0234-DC

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W239534 W0147-312-DE

= dei D147214 TREAT Insert

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D147215 H-3-39082 Sheets 1 through 6 thd5

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D147216 H-3-36134 Sheets 1 and 2 DuPont Case H-3-36823 Shhets 1 through 4 5

W700344 D149173

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bl49144 D149210 D147218 W0195-0017-EE

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D147220 mm~

D149178 W701184

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Contents (1) Type and Form (a)

Experimental fuel pins in the form of solid metal, oxides, nitrides,

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and carbides of uranium, plutonium, or mixed uranium-plutonium.

(b)

Irradiated assembly of structural components.

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'(2)" Maxi' mum Quantity of Material

,;;;;;;;;;a (a) 1.71 kgm fissile material (U-233; U-235; Pu-239 + Pu-241 + Pu-242).

(b) 57,000 curies of mixed fission products, fission materials, and/or 6==="

irradiated structural materials.

(3) Maxiumum Quantity of Radioactive Decay Heat Per Package 208 watts

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Fissile Class 7

d.

The cask is loaded and contents shipped dry.

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I COR0 Approved Date 16.6773

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