ML20042F224

Application for Renewal of Certificate of Compliance 9141 for Model 900 Type B(U) Package

ML20042F224
Person / Time
Site:	07109141
Issue date:	04/30/1990
From:	Roughan C AMERSHAM CORP.
To:	Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
References
NUDOCS 9005080011
Download: ML20042F224 (19)

Text

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{g Amersham Corporation

, i40 North Avenue..

.7-l Burlington, Massachusetts 01803 Telephone (617) 272-2000 i

304pril?1990 1

Mr. Charles-MacDonald, Chief-

. Transportation. Branch

+

-Division of'. Safeguards-and Transportation NMSS U.S.; Nuclear Regulatory Commission LWashington, DC 20555 r

Dear.Mr..'MacDonald:

We request'. renewal of US NRC Certificate of Compliance No. 9141'

' issued for the Model 900 Type B(U) package.

-I have updated sections 7 and 8 relating to operation and inspec-tion of.the device.

l

.I 1have enclosed an application fee of $150.00 to process this renewal request.

I trust <.this contains the information necessary to support our request.

If 'I can provide any additional information please contact me.'.

Sincerely, Mb6 O< N8 IQ Cathleen M.' Roughan Radiation Safety Officer l

L CMR164/tjf i

Enclosure

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9005080011 900430 P--w Amersham 101

SECTION:7

^4',

OPERATING PROCEDURES l

NOTE:

All the precautions used when making'a radiographic-exposure must be observed when loading or when unloading the package.

1.

A: calibrated and operable survey meter must be used at all times when loading or unloading this package.'

2.

Personnel dosimetry must be worn - when loading or unloading

.the package.

3.

For' detgils on the operation and source changing procedures please refer to the instruction manual for the device which can be obtained from Amersham Corporation.

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l TECHNICAL SPECIFICATIONS l

MODEL 900 EXPOSURE DEVICE USNRC Type B Certificate

-USA /9141/B(U)

=

Isotope

=.Ir-192 Capacity 100 Curies (+20%)

=

Authorized-source assembly

=

90003 Gross Weight 44 lbs (20 kg)

=

Shielding Depleted Uranium

=

29 lbs (13 kg) l i

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7-1 Revision 1 l

April 1990

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,741 ' Proc:dufo~Fer L3Cding th3 P2ckaga

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'iAssurotthat.tho packcg3 is not damngtd execpt for cuperfi-p M

cial marks or dents.

2.-

Assure ;the ' source is authorized.for use in this container and is secured in the locked position.

3.-

To ' properly secure the source, the selector ring should be j

in;the_ lock position, the. dust cover must 'be installed and i

p fthe key lock must be depressed with the key removed.

.4.

Install the shipping plug securely and apply a security seal _

with an identification mark through the shipping plug and front nut of-the' camera.

i 5.

Assure all nameplates are clear and legible and contain the following information, j

a.

The words " Danger Radioactive Material" and the trefoil

symbol, b.

The proper shipping name Radioactive Material Special Form, N.O.S.,

UN2974 c.

Package identification USD/9141/B(U), Type B(U) d.

The radioactive contents.

6.

If the shipping package is to be packaged inside a crate or other outer packaging, the outer packaging must be strong enough to withstand the normal conditions of transport and must not reduce - the safety of the package.

The shipping package -must be. placed within the outer package with suf fi-cient blocking to prevent shifting during transportation.

7.

Survey the exterior surfaces of the package and assure that the maximum radiation level does not exceed 200 mrem /hr.,

Survey-.one meter from the exterior surfaces of the package; and. assure'that the maximum radiation level does not exceed' 1

10 mrem /hr.

Determine the proper shipping labels to be applied to the package using the criteria of table 1.

8.

Properly complete two shipping labels indicating the con-tents (Iridium-192), the activity of the source in curies or millicuries and the transport index.

The transport index is the dimensionless number (rounded up to the first decimal place) expressing the maximum radiation level (in mrem /hr) measured at one meter from the package surface.

9.

Assure that any old shipping labels have been removed from the package.

Apply two properly completed labels to two opposite sides of the-package.

7-2 Revision 1 April 1990 h

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a,p.c 10.j Msk lthis outsido of th3 packcgan with th3 proper - chipping l

name-cnd identification number (Radio ctiv3 M2torial,. Spe-1 c

'cial Form, n.o.sj, UN 2974) if, not already marked. -

Place the letters RQ next to the proper shipping name.

- l'l.

If the shipping package is inside a crate-or other outer packaging ~, mark.the outside package "INSIDE PACKAGE COMPLIES-WITH PRESCRIBED SPECIFICATIONS" and list the appropriate DOT specificationi number or USNRC Type B number and the words

" TYPE B"..

12.

Assure that the levels of removable radioactive contamina-tion on'the outside surface of the outer package-do not.

j exceed 0.001 microcurie per 100 square centimeters.

l 13.

Properly complete the shipping papers, indicating:

a.

Proper shipping name and identification number (i.e.

I Radioactive Material, Special Form, n.o.s., UN 2974).

3 b.

The letters RQ must appear next to the proper shipping l

name when shipping more than 10 curies of Ir-192 or Co-60.

c.

Name of the-radionuclide (i.e. iridium-192).

d.-

Activity of source in curies or millicuries.

]

e.

Category.of label applied (i.e. Radioactive Yellow II).

f.

Transport Index.

I g.

USNRC identification number or DOT specification number I

(i.e. USA /9141/B(U).

j h.

For ' export shipments, the IAEA identification number (i.e.-USA /9141/B(U).

)

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Shipper's Certification:

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t "This is to certify that the above named materials are C

properly classified, described, packaged, marked and labeled and are in proper condition for transport according to the applicable regulations of the Depart-

'i ment of Transportation "

j.

The shipping papers must indicate. an emergency phone number.

This phone number must have 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> coverage in case-of an emergency concerning your shipment.

The phone number must be clearly visible on the shipping paper.

k.

For packages containing depleted uranium as shielding material, a notice must be enclosed in or on the pack-l

age, included with the packing list or otherwise

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1 7-3 Revision 1 April 1990 I

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forwarded with the package.

This. notice must include the name of the consignor or consignee and the state-ment:

"This package conforms to the conditions. and limita-tions specified in 49 CFR173.424 for excepted radioac-tive material, articles manuf actured f rom depleted uranium UN 2909.

-14.

. Place the package onto the vehicle using the handle of_the camera.

15.

Properly brace and secure the package against movement in the vehicle.

16.

Assure that back of the vehicle is closed and secured so that it.will not open during transport.

NOTE:1.

For. air shipments, the following Shipper's Certifi-cation may be used:

"I hereby certify that the contents of the' consignment are. fully and accurately described above by proper shipping name and'are classified packaged, marked and

. labeled and are in proper condition for carriage by air according to applicable national governmental regula-1 tions."

2.

For air shipments, the package must be labeled with a

" CARGO AIRCRAFT. ONLY" label and the shipping papers must state:

THIS SHIPMENT IS WITHIN THE-LIMITATIONS PRESCRIBED FOR CARGO AIRCRAFT ONLY".

3.

For international shipments the activity must be given

in Gigabecquerels on the DOT label and the shipping papers (curies X 37 = Gigabecquerels).

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I 7-3 Revision 1 April 1990 I

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i.2-!Proeddura for Unloading th3 Packcg3

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LNOTE:

a.

- AI radioactive material package must be _ accepted from the carrier at the time it is-delivered.

b.-

If'a radioactive material package is to'be held at the carrier's terminal for pickup, arrangements must be made to receive notification from the carrier-of the arrival-of the package at the time of arrival.

The package must be picked up expedi-tiously upon receipt of notification (within three hours if practicable).

1.

Upon-rec'eipt of a package of radioactive material, survey the exterior surfaces of the package and assure that the maximum radiation level does not exceed 200 mrem /hr.

Survey three feet from the exterior surf aces of _ the packages and 3

assure that the maximum radiation level does not exceed 10 mrem /hr.

If either of these limits are exceeded, nctify the Radiation Safety Officer immediately.

Record.the maximum l

radiation levels measured at the package surface and at-3 three feet from_the package surface-on the Receiving Report.

2. -

-If the package contains radioactive material which is not in special form make a contamination wipe test of the exterior surface of the package.

Wipe - a representative-surf ace of the package, covering an area of approximately 100 square c e n t i m e t e r s, 'u s i n g a c l o t h p a t c h a n d m o d e r a t e p r e s s u r e.

Measure the activity of the patch using the contamination y

monitor and assure that the activity does not exceed 0.01' microcurie.

If-this limit is exceeded, notify the Radiation-Safety Officer immediately.

Record the results cf this contamination wipe test on the Receiving Report.

Note: If any of these limits are exceeded, the Radiation Safety Officer shall immediately notify the USNRC and the final delivering carrier.

l 3.

Inspect the package for any evidence of-physical damage.'

q Record the results of this inspection on the Receiving i

Report.

Also record on the Receiving Report the source model number, source serial number, radionuclide, activity, transport package model number and package serial number.

Forward a copy of the completed Receiving Report to the Radiation Safety Officer.

4.

_ Assure that the package is locked, or place the package into an outer locked container.

place the package into the Radioactive Material Storage Room and lock the door to the room.

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7-4 Revision 1 April 1990

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m%; - :, ; 5.,.KOcp,o copy of-tha' operations M3nus11feri.tha packaga en filo l

to;cssura you hav3 th3 proper opening instructions.-

6.s

. To properly open and use the-package, as a-radiographic device refer to the detailed instruction-manual-for this-s 1 --

device.

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7-5 Revision 1 April 1990

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Table 1 Maximum Radiat io: Level at Surface at One Met er Radioactive Whit e I A

0.5 mR/hr None A20ACW:I

\\7 Radioactive Yellow 11 j

N 50 mR/hr 1.0 mR/hr i

l Radioactive Yellow III

}

A4 f

s 200 mR/hr 10 mR/hr ROOACTM El /

CD /

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1 7-6 Revision 1 April 1990 i,

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c.c;,7 31IPrcenduralfor-PrGp;rOtion of Cn Empty PCckOg3 for Transport' l 1, :

_ Assure that.the packago does not contain a radioactive

-source.

2.

It -the shipping package. is to be placed -inside a crate or other outer-packaging, the outer packaging must be strong-enough to withstand the normal conditions of. transport and must not reduce the safety of the package.

The shipping

-1 package must be'placed within the outer package with suffi-1 cient blocking to prevent shifting during transportation.

- ' Assure

.that.

the levels of removable radioactive J

contamination:on the outside surface of the outer package do not_ exceed 0.001 microcurie-per 100 square centimeters.

4.

Survey the package at the surfsce and at one meter from the surface to determine the proper shipping labels to be applied to package.

a.

If the-surface radiation level does not exceed 0.5 mrem /hr and there is no measurable radiation level at one meter from the surface, no label is required.

Mark the outside of the package with the proper shipping name and identification number (Radioactive' Material, Articles.Manuf actured from depleted Uranium, UN 2909) and the statement " EXEMPT FROM SPECIFICATION PACKAGING

-SHIPPING PAPER AND CERTIFICATION, MARKING AND LABELING AND EXEMPT FROM THE REQUIREMENTS OF_49CFR part 175 PER-CFR173.421-1 AND 49 CFR173.424".

Additionally, a notice must_be enclosed in or on the package, -included with the packing list or otherwise l

forwarded with the package.

The notice must include i

the name of the consignor or consignee and the state-1 ment:

1 "This package conforms to ' the conditions and limita-[

tions specified in 49CFR173.424 for Exempted Radioac-A tive Material, Articles Manufactured from Depleted Uranium, UN 2909".

.j b.

If the surface-radiation level exceeds 0.5 mrem /hr, or if there is a measurable radiation level at one meter from-the surface, use the criteria of table 1 in sec-tion 7.1 to determine the proper shipping labels to be 1

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7-7 Revision 1 April 1990 j

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cpplicd_to'th3 packaga.

M2rk tho outsid2 of - tha -p2ck-

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age ;with _the: proper - shipping _ name and identification

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l number (Radioactive M a t e r i a l,- - L S A,' n. o. s., UN - 2 912 )..

If the container is packaged inside a; crate or other

-. outer packaging, mark the - package with the statement a

'"INSIDE PACKAGE ' COMPLIES WITH PRESCRIBED - SpECIFICA-1 TIONS".

I' Properly complete the shipping papers, 'as listed ~ in -

section 7.1.

The isotope is U-238-and~approximately 5

-millicuries.

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'7-8 Revision 1 April 1990 i

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t q-F SECTION 8 ACCEPTANCE TESTS AND MAINTENANCE PROGRAM 8.1 -Acceptance Tests L

8.1.1 -Visual Inspection

-The package is visually inspected'to assure:

1.

It.was constructed properly in accordance with drawing i

number 90090.

2.

The-labels are inspected to assure they_ contain-the required information as referenced in section 7.

3.

All fasteners (screws) as required by drawing number 90090 are installed.

The source assembly used in this device is visually inspect-ed to assure proper closure of the weld, to maintain-primary containment.

It is also inspected for proper length to assure it locks in the required storage position.

i 8.1.2 Structurkl and Pressure Tests The swage coupling.between the source capsule and cable is sub-jected to a static tensile test with a load of 100 pounds.

Failure of this test will prevent the source assembly from being used.

8.1.3 Leak Tests-

- The radioactive source capsule (the primary containment)-is wipe

't tested for leakage of. radioactive contamination.

The source L

capsule is subjected to a vacuum bubble leak test.

The capsule is then subjected to a second. wipe test-for l'eakage of radioac-1 tive contamination.

The contamination must be less than 0.005-microcuries.

Failure of any of these tests will prevent use of this source. assembly.

The package is wipe tested on the exterior i

surface prior to its first shipment in accordance witg' l

10CFR71.87.

(If this wipe test exceeds 0.001 microcuries/100 cm

+

L it will not be shipped.)

1 8.1.4 Component Tests L

The lock assembly of the package is tested to assure that

-security of the source will be maintained.

Failure of this test l.'

will prevent use of the package until the lock assembly is cor-

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rected and retested.

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8.1.5 Tests for Shielding Integrity The radiation levels at the surf ace of the package and at one 8,1 Revision 1 April 1990 i

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8;1.5: Tests for. Shielding' Integrity i

The radiation levels at the ' surf ace of the package and at one

'm:ter: from the surface'are measured using a small detector survey instrument.

(e.g.,' AN/PDR-27).

These radiation levels, when cxtrapolated to the rated - capacity of the package. and - a surf ace correction factor applied as outlined in Amersham's Quality Inspection Procedure, must not exceed 200 milliroentgens per hour ct-the surface ner ten milliroentgens per hour one meter from the curface.of the package.

Failure of this test will prevent use of the' package.

- 8. l'. 6 Thermal' Acceptance Tests Not Applicable.

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s 4.2 ~ Maintenance Program

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~ 8. 2.1 -' Structural and Pressure Tests Not Applicable.

8.2.2 Leak Tests A3 described in section 8.1.3, the radioactive source assembly is 10ak tested at manufacture.

Additionally, the source assembly is wipe tested for leakage of radioactive contamination every six months.

8.2.3 Subsystem Maintenance

'The lockbox ~ assembly is tested as described in section 8.1.4 prior to each use of the package.

Additionally, the package is inspected for tightness of fasteners, proper seal wires, and

.gsneral condition before each use.

8.2.4 Valves, Rupture Discs, and Gaskets Not applicable.

8.2.5 shielding Prior to each use, A radiation survey of the package is made to assure that the radiation levels do'not exceed 200 milliroentgens per hour at the surface nor 10 milliroentgens per hour at one mater-from the surface.

8.2.6 Thermal Not applicable.

8.2.7 Miscellaneous Inspections and tests designed for secondary users of this pack- [

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age under the general license provisions of 10 CFR 71.12(b) are D

included in Appendix A of section 8.

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~'t Appendix A M31ntenance

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1 Inspection and maintenance of the Model 910.-exposure device and

-)

._the control unit must be performed-at intervals not _ to exceed three months,-in accordance.with 10 CFR 34.28.

Drive Cable, control Housings'and Source Guide Tubes i

1.

Disconnect the control unit from the exposure device.

2.

. Turn the hand crank of the control unit in the EXPOSE j

(counter clockwise) direction until the crank will no longer j

turn.

Do not use force, as this may damage the. drive wheel inside the control box.

The emergent cable should be cranked into a bucket or other container to keep it clean.

3.

Disconnect the control housing from.the RETRACT side of the-i crank and remove the stop spring from the drive cable.

The drive cable will now pass through the crank.

i 4.-

Turn the crank until the drive cable is totally disconnect-ed.

5.

Pull the drive <:able out through the control cable connector and coil it with a radius of no less than 4 inches.

6.

Remove the control cable connector and connector plug from the control housings, and disconnect the other control housing-from the crank.

Label-the housings for proper reassembly.

7.

Clean the drive cable with chlorothene and flush the control housings and source guide tubes.

8.

'Using' compressed dry air (15 psi max. ), thoroughly dry. the I drive cable, control housings and guide tubes.

Any remain-(

ing solvent can cause permanent damage.

9.

Check the source guide tubes for binding by holding them vertical' and dropping a dummy source (or jumper) through them.

1 10.

Wipe the guide tubes and control housings with a cloth 1

soaked in chlorothene and flex them to check for internal damage.

Damage is evidence by a crunching feeling when the housing or tube is. bent.

While doing this, feel for dents.

Cut, flattened or burnt control housings or guide tubes should be repaired or replaced.

11.

The_ guide tubes or control hounings may be covered with tape where only the outer plastic is cut through.

8-4 Revision 1 April 1990

ac 1 12.'

Using a Model 900 no-go gauge, check the male connector of the drive' cable.

If the ball of the connector fits through the hole of the gauge or the ball shank fits into the slot in the gauge, -the connector is worn and the - cable must be 1

replaced.

Refer to Figure 8.1.

13.-

Lightly grease the cable using Mil-G-23827 B grease or equivalont.

Other greases may form tars or corrosive com-i pounds when exposed to radiation.

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Exposure Devic,e To. service the exposure device, remove the source following the cource changing _ procedures.

(Before removing the source, check the female drive - cable connector of the source with a Model 900 no-go= gauge, as in Figure 8.1; if the gauge width can fit into the female slot, the connector is worn and the source must be rcplaced.)

After the source has been removed, service.the expo-cure device by performing the following steps:

1.

Refer to Figure 8.2 and remove six philips screws (11) securing front plate (1) to projector.

Remove four philips head screws (13) securing the guide tube connector mounting (3) to the front housing (6) of the projector.

2.

Remove the indicator slide (4), indicator rod (8), compres-sion spring (17), safety pin (5) compression spring.(14 ),

slide tube (9) and compression spring (16).

3.

Refer to Figure 8.3 and remove four philips head screws securing the rear end plate to the projector body and two philips screws which secure this plate to the handle.

?

5 4.-

Unlock ~the lock assembly and remove it by unserewing the two socket head cap screws (14).

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5.

Remove the connector assembly by unscrewing the four socket I g

head screws (15).

j Hold the connector assembly in place while doing this to l

avoid losing any parts.

Remove the connector assembly and set it horizontally with the cover plate (4) facing up.

Remove the cover plate, lock slide (6), lock pin (7) and compression spring (10).

Rotate the selector ring to either OPERATE or CONNECT and-lift it off the selector body (2).

6.

Remove' the set screw (13) from the lock (9) and lift the y

lock out of the lock retainer (8) by turning the lock l

through 90.-

J 7.

Clean all parts with trichloroethane and dry them thoroughly t-with compressed air.

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i Clean the source tube by running a trichloroethane soaked i

cloth through the tube several times.

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8-5 Revision 1 April 1990

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Dry the.. tube-by running a dry cloth through.-

8.

Inspect the components for damage, burrs, or excessive wear and replace: any defective parts.

9.

Lightly grease all moving parts at their contact surfaces I

y using-type Amertest lubricant.

' Note that other types-of lubricant may form tars or corro-i sive compounds.when exposed to radiation.-

]

10.

Reassembl'e the lock mechanism, referring to Figure 8.3.

' Insert the return springs and spring guides-into the lock i

body.

Depress the internal plunger so that it clears the hole in the lock retainer and insert the lock into the retainer, i

Align the screw hole in the lock with the slot in the re-tainer and secure the lock with the set screw.

Fasten the lock assembly to the rear plate using two socket head screws.

11. ~ Reassemble the' connector, referring to Figure 8.3.

Insert the selector body (2) into the rear end plate (1),

set the rear end plate on a horizontal surface with the selector body facing upwards.

Position the selector body so that the hole for the lock pin is to the right of the cen-1

-tral hole.

l Place the selector ring (3) over the selector body in the j

CONNECT position.

O l

Push the ring onto the selector body and rotate the ring to LOCK while holding the selector body stationary.

Place the compression spring, lock pin and lock slide into

.the selector body.

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Place the cover plate over the selector body so that tho' word LOCK is visible on the selector ring.

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Install an "F"

drill blank (in parts kit) into connector I

hole for alignment and secure the cover to the rear end with four socket head screws.

l 12.

Fasten the rear end plate to the projector body with four philips head screws and to the handle with two philips head screws.

8-6 Revision 1 April 1990

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Reassemble the front end, referring to Figure 8.3.

Insert the two compression springs (14) and-(16), slide the tube (9) and safety pin (5) into the front end housing (6).

-1 Insert the compression spring (17) into the indicator slide (4) and hold the indicator slide in place.

j Fasten the guide tube connector (3) to the front end housing (6) with four philips head screws.

t Fasten front end plate to projector with six _ philips head screws.

14.

Inspect the projector for proper reassembly.

Check all connections and fittings for tightness.

Check for proper operation of the control unit and connector-assembly.

j Check that the fixed labels are in good condition.

15.

Transfer the source from the source changer.

Use the ' procedure described in the manufacturers manual for source changing to return the source form the source changer 4

to the projector.

Use the survey meter to check that radiation levels do not exceed (200 mR/h) at any point on.the surface.

Transfer the source identity plate back to the projector.

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t No Go anuoe (11) ball thank I

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(l) ball diametej, I$.

(iv) connector gap width f, (iii) female slot width g.

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iCYi' 51 Figure 8.L Shutter Mechanism Amertest 920 Projector i

IRef Port Code KIT 004 Ret Port Code KIT 003 No.

No.

Oty.

Description Oly. in Kit No.

No.

Oty.

si'cription Oty. in Kit 1

90001 12 1

Front Protector Plate 16 1

Compression Spnng 2 90001 18 1

Protective Screw Cap 17 Comptession Spong 3 90001 4 1

kbuning Plate, 8

10/32 5'8 SS B

(.

Guide Tube Check List Plaste 1

i 4 90001 6 1

Indcator Slide F Drill Black (pin) 1 6 900018 1

Safety Pin 4

1/4'+20 m 3'4* Philips i

6 90001 3 Front Housing Plate FHMS 4

7 90001 7 1

RedIndicator Knob 4

1/4' x 20 s 7/8*

8 90001 6 1

Indcator Rod PHMS, SS 4

i 9 90001-9 i

Slido Tube 4

S'16's 18 : S'B' 10 9'00119 1

Sourco ID Label RH Philips.SS 4

11 4

81432 x S'B' BHMS 8

2

1. 10 32 x 3'4' Allen stainless stool hd Screw 2

12 1

8440 x 3'16' BHMS 2

8 810 32 x 1 1/2* Al6en i

stainless steel hd Screw 8

13 4

88-32 x 1/2' BHMS 4

4

1. 6-32 x 1/2* Philips stainless steet hd Screw 6

14 1

Compresson SonnD 1

1. 6 32 Kemp Nut 2

15 4

114 3 20 x 7/8' BHMS 4

1 73-KA4 Cable ASSM 1

stainless & tool Q'FO a5dto'e' item m KfT 004 refe' to fc.re $ 4.

J Figure 8-2 Revision 1 April 1990 8-8 J