ML20137Z184

Certificate of Compliance 5597,Rev 0,for Tungsten-Shielded Cask

ML20137Z184
Person / Time
Site:	07105597
Issue date:	03/03/1986
From:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:
Shared Package
ML20137Z181	List: ML20137Z174 ML20137Z184 ML20137Z189
References
NUDOCS 8603120504
Download: ML20137Z184 (2)

Text

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U.S. NUCLEAD RECULATORY CoMMIS$loN NAC FOftM ele

'J CE3TIFICATE CF CCPLIANCE i

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FOR RADIOACTIVE MATERIALS PACKAGES I

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.aaviseo* Suusen c *.c=Aca ioamrisication uu.aa a pac,e suusen

. tavat %vuw. na.as 5597 0

USA /5597/B( )

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.oonc.o.. regwi.,ory agenc..nciuo.ng m go..rnment ce any countr, mrouan or.nto.nica m p.c.g...n o. trenipon.o k

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l U.S. Departnent of Energy DOE application letter dated July 31, 1978, I

DP-4 as amended.

I il Washington, DC 20545 i

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, ooc =at w ussa 71-5597 I

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ini, esetahc.. es condihon.I woon turhahng to. reqw.r.<n.nts of 10 CFa P.rt 71 es appoc oi..e m. Conditione no.cihed b.iow I

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I I s (a) Packaging i

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I li (1) ffodel No.:

Tungsten-Shielded Cask I

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(2) Description l

'L li The packaging consists of a right circular cylinder with a henispherical l

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botton.

It has a maxinun outside diameter of 16 inches at the hast.

I It The cask itself has an outside diameter of 8 inches.

The nverall l

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height is 15-1/4 inches.

Inner cavity dinensions are 3.120 inches in i

diameter by 6-1/2 inches high.

Shielding is composed of a 2-inch l

thick isostatically oressed and sintered tungsten alloy containing 95%

i gi tunqsten, 3.5% nickel, and 1.5% f ron, with a 1/4-inch type 304L t

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stainless steel cladding outside and a 1/8-inch type 304L stainless

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I steel cladding inside.

The gasketed lid consists of a 150-pound I

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flange to which the top shield plug is attached and is held in place

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by eight S/8-inch studs and bolts.

A capped 1-inch pipe is welded to l

the underside of the cesk lid to position the contents.

The gross g

weight of the basic cask is 381 pounds.

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ll A tungsten insert personnel shield and shipping pallet are used for I

3 ll shipping radioactive materials having higher internal heat loads and I

l' external radiation levels.

The gross weight of the cask, insert, heat g

f shield, and skid is 565 pounds, t

I ji ll (3) Drawings I

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The packaging is constructed in accordance with Oak Ridge National l

Laboratory Drawings No fi-11575-E'i-001-E-Pev. 3, X3D-ll575-002 Rev. O, l

and X3D-11575-003 Rev. 4.

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Page 2 - Certificate No. 5597 - Revision No. 0 - Docket No. 71-5597

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9 (b) Contents l

(1) Type and fom of material

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V Solid radioactive material which will not decompose at temperatures of n

250*F (121*C) or less, encapsulated in a mtal capsule which neets the k

requirements of special fom radioactive naterial.

(2) Maxinun quantity of material per package h

v Not to exceed SN themal decay heat.

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8 6.

For naterial described in 5(b)(1) and limited in 5(b)(?), the cask nust be nounted to the shipping pellet, the personnel shield rust be in place, the

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tungsten insert rust be positioned in the cask cavity, and the special fom p

contents must be held within the tungsten insert by a spacer that will assure k

the shielded position for nomal conditions of transport.

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8 7.

For the material described in 5(b)(1) but limited to no more than ?5w per package of themal decay, heat, the shipping callet, personnel shield, and the tungsten l

insert need not be used.

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8.

Prior to each shiprent, the package and qaskets will he inspected.

The gaskets p

shall be replaced with new gaskets if any defects are noted. Gaskets rust be replaced not more than 6 nonths prior to any shipment.

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Prior to each shipment, the package shall be leak tested to 10' at.cm /sec 3

usino the soap bubble test or equivalent, e

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10. Within 6 nonths prior to shionent, package welds will receive a dye penetrant i ns pection. Repairs will be nade as appropriate.

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11. The package authorized by this certificate is hereby approved for use under the p

gencral license provisions of 10 CFR $71.12.

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12. Expiration date: Ma rch 31,1991.

l REFERENCES l

U.S. Departrent of Energy application dated July 31, 1978, as amended February 13, a

1980, December 20, 1984, and January 16, 1986.

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FOR THE U.S. NUCLEAR REGUALTORY COM"!SSION

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8 Charles E. MacDonald, Chief Transportation Certification Branch l

Division of Fuel Cycle and a

Material Safety, NMSS I'

MAR 0 31986 8

Date:

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