ML20128M698

Certificate of Compliance 9108,Rev 7,for Model CNS 6-75. Approval Record Encl

ML20128M698
Person / Time
Site:	07109108
Issue date:	05/22/1985
From:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:
Shared Package
ML20128M692	List: ML20128M689 ML20128M698
References
NUDOCS 8506030057
Download: ML20128M698 (4)

Text

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E CERTIFICATE OF COMPLIANCE C

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F2R RAD 12 ACTIVE MATERIALS PACKA2ES I

l a -.e."ERTIFICATE NUMBER g

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c. PACKAGE IDENTIFICATION NUMBER

d. PAGE NUMBER

e. TOTAL NUMBER PAGES g I

9108 7

USA /9108/A l'

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. aJ This certificate is issued to certify enat the packaging and contents described in item 5 below. meets the applicaese safety standards set fortn in Titie io. Code t

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. or rederai Reguiations. eari n. " Packaging of Radioactive Matenals for Transport and Transportation of Radioactive Matenal Under Certain Conditions."

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. b. Tnis certificate does not reiseve ine consignor from compiiance witn any requirement of tne reauiations or ine u.s. o par: ment or Transportation or otner I

- appiicabie reguiatory ag.ncies. inciuding in. government or any country inrougn or into wnien ene package wiii be transported.

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• 7s g,Ryro,TE iS issuEggE BASIS OF A SAFEW ANALYSIS,RE' t

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T E O tC E FC Ef O CATIOR p

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I Chem-Nuclear Systems, Inc.

Chem-Nuclear Systems, Inc., application t

i 220 Stoneridge Drive.

dated May 31, 1983, as supplemented.

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Columbia,. SC 29210 tc I

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D C r=,y.1-9108

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e c oOCKET. NUMBER L ( ** 3

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4. CON 0iTIONS V'

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p J ino certificra is conditional upon fuifiiling the requirements of 10 CrR Part 71, as applicabie, and tn. conditions specified below g

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-(a) : Packaging ;

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n (1) Model No?:

CNS'6-75

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(2)

Desegiption M\\

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The padkaging isfa steel encased, lead Mielded right circular cylinder

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for los specific' activity radioactive material. Theloutsidedimensions g

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are 62 inchesjin diameter _by,86-5/8sinches. long and the cavity dimensions -

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I are 53 ; inches lin. diameter byf 74-1/2iinches' long. The 3-1/4-inch t

I annulus betweenithe outer!3/42 inch?and inner.1/2-inch steel shells is I

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I filled 'Qith leadMThe? base plateiconsists of a 64-3/4-inch square l

l 1-inch" outer plate ~,(3 ' inches of lead r 'd a 1/4-inch 1 outer plate. The an cover consists of a 1-inch steelJouter'a'nd a 141nch thick steel L

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inner plate with 2-7/8 inches of lead 'shieldi.g A secondary cover, r

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plugging the120-inch centra 1' opening in the cover, is constructed of a t

I 1/4-inch outerfplate,1-1/2 inches of lead,"a 1/2-inch plate,1-3/4 Lt I

inches.of lead and a;1/4-inch inner plate.. The covers are Neoprene l

gasketed and secured, by-sixteen, 3/4-inch and eight, 5/8-inch bolts,

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y respectively.

The cavity'is-vented through a 1/8-inch plugged tube t

I through the cover and drained through a 1/2-inch plugged tube at the t,

I bottom.

Three lugs on the cask sides, cover ribs and secondary cover t.

I are provided for lifting.

Four lugs on the cask shell are used for I

1 tie-down.

Package gross weight is about 41,300 pounds.

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'(3)

Drawing t

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I The packaging:is fabricated according to Chem-Nuclear Systems, Inc.,

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Drawing No. -1036-D-01,. Sheets 1 and 2, Revision M.

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L e506030057 850522

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^ Page/2 - Certificato No. 9108 - Revision No. 7 - Docket No. 71-9108

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-5.

(b). Contents I

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i (1) Type and form of material

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l Dewatered or solidified waste meeting the' requirements of low specific t

I activity material in secondary containers.

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l (2) ~ Maximurr quantity 'of material per package f

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I Greater tnan Type A quantity of radioactive material with the weight t -

I of the contents, secondary containers and shoring not exceeding 10,300 E

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pounds..The decayeheit,00adf'shallLn'ot exceed 20 watts.

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.(a) For any package conta\\riiIg water and/or organi'cNubstances which could l

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.l radiolytically g(nekte-combustible gases, determida't. ion must be made by t

ll tests and measurements or by analysis of a representative package such that l

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the followingTriteria are met over a period of time th'at is twice the t

I expected shipmentitime-(/

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-(i) The hydrogen generatedsmust be 1,imite'dsto::a molar quantity that would f,

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be no'more than 5%:bymvolume7(,or;equiyalent limits ~for other inflam-t secondary _contaig!at,la.7psiaand70*F);orer(gas void k

mableegases)ofthe]0(M I

(i.e.? no more than; 063_giniole's/ft I

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(ii) The secondar O'conta'inermandIcaskTeaiity'must'.-be inerted with a dilue JI I

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to as'sre thatNoxygenimu's't! be bliriited 'to 5%' by' volume ~ in those portions f

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of thep ackagEiAich courd! ha'vejby~drogen greater thah 5%.

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%?n%%AW5MW CA l

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For any package delivered &to a, carrier for; transport, the secondary container L

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must be prepared for shipment (inithe fsame manner in which determination for l

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gas generation'isinade.s Shipment /psriod begins when,the package is prepared l

p (sealed) and must. LL.-completed within twice the. expected shipment time.

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l (b) For any package shipped within 10 days.of preparation, or within 10 days l

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.I after venting of drums oFoth'er"secondari containers, the detennination in t

1 (a) above need not be made, and th~e' time restriction in (a) above does not

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-7.

Except for close fitting contents, shoring must be placed between the secondary t

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containers and the cask cavity to prevent movement during normal conditions of L

I transport.

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The cover lifting lugs must not be used for lifting of the cask and must be

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plugged or covered in. transit.

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9.

Prior to each shipment, the packaging lid seals if opened (or if the security L.

I seal is broken), shall be inspected. The seals must be replaced with new seals t

j if inspection shows any defects or every 12 months, whichever occurs first.

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Prior to each shipment, a detennination must be made that closure seal replacement l

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.is current with the seal replacement schedule.

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i Page 3 - Certificate No. 9108 - Revision No. 7 - Docket No. 71-9108 E

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q 11.

The packaging must be leak tested at least once every 12 months in accordance E

. I with Section 5.2.1 of the application.

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Fabrication of additional packaging after October 31, 1983 is not authorized.

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13. The package authorized by this certificate must be transported on a motor l

g vehicle, railroad car, aircraf t, inland water craft, or hold or deck of a seagoing g

i 1 1 vessel assigned for sole use of the licensee.

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14. The package authorized by this certificate is hereby approved for use under the Eu general license provisions of 10 CFR 9,71.12.

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I-F September;30,% 1988.' { ' D []4 9,gl

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15.

Expiration date:

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Q REFERENCES

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l Chem-Nuclear Systems, Incorporated, application dated May: 31,E1983.

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N N.

42' 4-

g Supplements dated

[S,eptembe(9fl983; and January 2,7,g984.

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.r. :A I 4tk FOR THE U.S.; NUCLEAR REGULATORY COMMISSION E

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l n (f) b1 I 4 CharlesLMacDonald, Chief g

I NM OjlTranspohtalion Certification Branch N

[y Divisi'onfof Fuel Cycle and Q

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\\>% %>. JN'[hns nMaterial2 Safety, NMSSO I

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e Date:

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UNITED STATES b

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NUCLEAR REGULATORY COMMISSION WAsmNGTON, D. C. 20555 m 2; Transportation Certification Branch Approval Record Combustible Gas Mixtures Conditions were' imposed' on packages containing water and/or organic 1

substances to limit the accumulation of radiolytically generated gases over the shipptrg 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 no* to preclude a valid analysis, part of. the condition to limit the accumulation of radiolytically generated gases is revised to read "...it must be detennined by tests and measurements or by analysis of a representative package whether or not...."

The analytic-approach involves detennin'ing 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 co.ndition 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 a re.known. These properties may be detennined from test and measurement of represer,tative waste fonns or from data that is applicable to the waste fann.

The detennination should be documented and ' retained as part of the records for the shipment.

Charles.4. MacD%ona d, Chi e.4 r

Transportation Certification Branch Division of Fuel Cycle and

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Material Safety, NMSS Date:

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