ML20128M674

Certificate of Compliance 6568,Rev 6,for Model LL-60-150. Approval Record Encl

ML20128M674
Person / Time
Site:	07106568
Issue date:	05/22/1985
From:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:
Shared Package
ML20128M666	List: ML20128M660 ML20128M674
References
NUDOCS 8506030048
Download: ML20128M674 (4)

Text

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CERTIFICATE OF COMPLIANCE E

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FOR RADl? ACTIVE MATERIALS PACKA'lES E

t. CE.:nFiCATE NUuSER D. REVISION NUMBER

c. PACKAGE IDENTIFICATION NUMBER d.PAGE NUMBER

e. TOTAL NUMBER PAGES 6568 6

USA /6568/A 1

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a PR uu8tE a, This certificate is issued to certif y tnat the packagmg and contents described m item $ below. meets the applicable safety standards set forth in Title 10 Code E

j of Federal Regulations. Part 71, Packaging of Radioactive Materials for Transport and Transportation of Radioactive Matenal Under Certain Cor'ditions."

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b. This certificate does not relieve the consignor from compliance with any requirement of the regulations of the U.S. Department of Transportation or other apphcaDie regulatory agencies, including the government of any Country through or into which the package will De transported.

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3. THIS CERTIFICATE IS ISSUED ON THE BASIS OF A SAFETY ANALYSIS REPORT OF THE PACKAGE DESIGN OR APPUCATION lE

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e. PREPARED BY (Name and Addressr b TITLE AND IDENTIFICATION OF REPORT OR APPLICATION-4 l-lTennesseeValleyAuthority Tennessee Valley Authority application dated y

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400 Chestnut Street, Tower II August 16, 1976, as supplemented.

in j Chattanooga, TN 37401 is ;.

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,71-6568 8

c. DOCK ~.f NUMBER :

!o 4 CONDITIONS l

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This cert,+icate is conditional upon fulfithng the rendrements of 10 CFR Part 71, as applicable, and the conditions specified below l

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(a)

Packaging

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(1) liodel No.: 'LL-60_150 W

(2)

Descript' ion g

g-1 The cask is cylindrical,in shape 93 inches 'long and 82.5 inches in g

1 diameter.

Lead shielding, 3 T/2 inches thick, is encased within the g

inner and outer, steel shells that are welded, to a laminated steel base N

plate assembly.

The' cover is a steel plate assembly. secured to the N

top flange by 36-steel bolts.

Encircling the top of the cask is a l

i partial. length _ steel shell of 1/2-inch thickness.

Silicone 0-rings g

provide seals at!theitop cover and at all. plugs.

The inner container g

is a right circular steel cylinder with a capacity of 150 cu ft.

The it total weight, when loaded, is approximately 73,000 pounds.

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(3)

Drawings

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The packaging is constructed in accordance with the following ATCOR g:

Inc. Drawing Nos.:

0568-B-0005, Rev. H; 0568-C-0008, Rev. E; 0568-B-E.

0010, Rev. E; 0568-B-0016, 'Rev. D; 0568-B-0018, Rev. A; 0568-B-0025; i:

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0568-R-0001, Rev. J.

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y (b) Contents gi X;

L (1) Type and form of material E:

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Process solids, either dewatered, solid, or solidified waste, meeting Ej the requirements for low specific activity material in sealed containers.

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(2) Maximum quantity of material per package g

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Greater than Type A quantity of radioactive material with the weight i

L of tne package contents and secondary containers not exceeding 12,500 l

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pounds.

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I 71-6568 R

I Page 2 - Certificate No. 6568 - Revision No. 6 - Docket No.

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(a) For any package containing water and/or organic substances which could g

' I radiolytically generate combustible gases, detemination must be made by p

I tests and measurements or by analysis of a representative package such that ll5 I

the following criteria -are met over a period of time that is twice the E

l expected shipment time:

l ll (i) The hydrogen generated must be limited to a molar quantity that would

!g ll be no more than 5% by volume (or equivalent limits for other inflam-p I

mable gases) of the secondary contaiger gas void if present at STP W

I (i.e., no more than 0.063 g-moles /ft at 14.7 psia and 70*F); or E u l

5 ll (ii) The secondary conta.iner'and c7sk' cavity,must be inerted with a diluent l

to assure that oxygen >must' be limited (to,5% by volume in those portions l

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of the package-which' could have hydrogen' greater. than 5%.

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I For any packagefdelivered to a carrier for transpo'rtPthe secondary container 8

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must be prepared >for shipment in the same manner in which detemination for g

gas generation 'is:made.

Shipment period begins.when 'the package is prepared f

.i (sealed) and-must'be' completed within twice,lthe expected shipment time.

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(b)

For any package shippectwithin 10; days of' prepaiation, or within 10 days i

l' after venting of drumsf or other secondary containers, the detemination in b

l (a) above sneed not beimade',(and the. time restriction in (a) above does not l

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l apply.

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Operating procedures must,be followed? to' assure ~ that: _

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All threaded 7 pipe plugsun,the cask: 7 C,@ (V "~

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sealant.

r, i s (ii) The space between the linei~ (drums), and'caskscavity_,10 ' dry prior to delivery lX ll to a carrier for' transport.

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I (iii) Dunnage shall be provided in the shipping cask cavity sufficient to prevent l

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I significant movement of the secondary container (s) relative to the outer g

l packaging under nomal conditions.

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II (iv). Prior to each shipment the silicone 0-ring lid gasket must be inspected.

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This gasket must be replaced if inspection shows any defects or every I

l twelve (12) months, whichever occurs first.

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The package authorized by this certificate must be transported on a motor vehicle, y

l i railroad car, aircraft, inland water craft, or hold or deck of a seagoing vessel

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-lI assigned for the sole use of the licensee.

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I The package authorized by this certificate is hereby approved for use under the l

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general license provisions of 10 CFR 971.12.

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Expiration date:

April 30, 1986.

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Page 3 - Certificate No. 6568 - Revision No. 6 - Docket No. 71-6568 g

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REFERENCES y

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I Tcnnessee Valley Authority application dated August 16, 1976.

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- Supplements dated:

October 8, 1976; October 5, 1979; and October 23, 1980.

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FOR THE U.S. NUCLEAR REGULATORY COMMISSION g

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8 Charles E.fHacDonald, Chief l

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Transportation certification Branch n

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Division of Fuel Cicle and i

D Material Safety, NMSS,,

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UNITED STATES S[N NUCLEAR REGULATORY COMMISSION 3.,

.E WASHINGTON, D. C. 20555

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Transportatioi. Certification Branch i

Approval Record Combustible Gas Mixtures Conditions were imposed on packages containing water and/or organic substances to limit the accumulation of radiolytically generated gases over the shipping period to preclude the possibility of significantly reducing the packaging effectiveness due to explosion.

Part of the conditions included "...it must be detennined by tests and measurements of a representative package whether or not...."

~ There is no reason to believe that calculational methods could not be used as means of detennining gas generation. So as not to preclude a valid analysis, part of the condition to limit the accumulation of radiolytically generated gases is revised to read "...it must be determined by tests and measurements or by analysis of a representative package whether or not...."

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The analytic approach involves detennining the hydrogen generated in the waste by radiolysis based on the absorbed dose of the waste over a given period of time. To satisfy the condition to preclude a combustible mixture, the period since closure and twice the shipping time-must be considered.

The calculation requires that the properties of the waste are known. These properties may be detennined from test and measurement of representative waste foms or from data that is applicable to the waste form.

The determination should be documented and retained as part of the regords for the shipment.

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-Y Charles E. MacDonald, Chief Transportation Certification Branch Division of Fuel Cycle and Material Safety, NMSS Date:

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