ML20203K391
| ML20203K391 | |
| Person / Time | |
|---|---|
| Site: | 07109033 |
| Issue date: | 02/28/1998 |
| From: | AMERSHAM CORP. |
| To: | |
| Shared Package | |
| ML20203K367 | List: |
| References | |
| 75, NUDOCS 9803050073 | |
| Download: ML20203K391 (93) | |
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durkngton, Massachusetts Page iofil Contents Figu res, Ta bles a n d Wo r ks h eei s................................................................................. ill 1.0 I n t ro d u e t 10 n........................................................................................................
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l.1 Previous Model 660 Series Testing....................................................................... 1 1.2 C u rr e nt Te s t i n g......................................................................................................
2.0 Tra ns po rt P a e ka ge D ese ri pt io n............................................................................. 3 2.1 C u rr e n t P a c k a g e................................................................................................
- 2. 2 D e s i g n C ha n ge......................................................................................................
2.2.1 D e si gn O bj ec ti ve s.................................................................................. 5 2.2.2 S h i eld Col la r...........................................................................
Limiti ng Shield Move me nt.................................................................. 5 1.imiting Source Wire Movement........................................................ 6 Other Design Considerations............................................................... 7 2.2.3 End Plat e A t tac hment Sc rews............................................................... 7 3.0Purposc......................................................................................................................8 4.0 Sys t e m Failu res a nd O rie n t o tions........................................................................... 8 5.0 Const ruction and Condition of Test Speeimens................................................... 10 6.0 M a t e rial a nd Eq u Ip m e n i Lis t................................................................................ 13 7.0 Te s i v ro c e d u r e......................................................................................................
- 7. I 1101 es and llesponsi bil i ties.................................................................................... I 4 7.2 Test Specimen Pr.eparation and Inspection.......................................................... 15 7.3 Four foot Free Drop Test (l 0 CFR 71.71(c)(7))..................................................
15 7.3.1 Four foot Free D rop Setu p...............................,................................... 16 7.3.2 Four-foot Free Drop Orientation: Specimens A and Al................'..... 17 7.3.3 Four foot Free Drop Orientation: Specimen B
...................................I8 J
e SEN11NEL Test Plan #75 Amersham Corporatie.1 February 28.1998 Burkngton, Massachusetts Page ilof h 7.3.4 Four foot Free Drop Orientation: Specimens C and C1......................
19 7.3.5 Four foot Free Drop orientation: Specimen D................................... 20 7.3.6 Four. Rmt Free D rop Assessment..................................................... 21 7.4 30. foot Free Drop Test (l O CFR 71.73(c)(1)).................................................... 22 7.4. I 3 0 foot Free D rop Se tup............................................................. 2 2 7.4.2 30. foot Drop Orientation: Specimens A and A1.............................. 23 7.4.3 30-foot Drop Orientation: Specimen 11........................................... 24 7.4.4 30.nmt Drop Orientation: Specimens C and C 1.................................. 25 7.4.5 30 foot Drop Orientation: Specimen D......................................... 26 7.4.6 30-foot Free Drop Test Assessment.........
...................................26 7.5 l'unc ture Test ( l 0 C Fit 71.73(c)(3)).............................................................. 2 7
- 7. 5. I P un c t u t e Te st S e t u p................................................................... 2 7 7.5.2 Puncture Test Orientation: Specunens A and A1............................. 29 7.5.3 Puneture Test Orientation: Specimen 11.............................................. 30 7.5.4 Puncture Test Orientation: Speeimens C and C1................................ 31 7.5.5 Puneture Test Oricntation: Specimen D............................................ 32 7.5.6 Puneture Test Assessment................................................................ 3 3 7.6 I ntenned ia te Test I n spec tio n............................................................................... 3 3 7.7 Thermal Test ( 10 CFR 71.73(c)(4))..................................................................... 3 4
- 7. 7.1 Th e nn a l Te st...............................................................................
7.7.2 Thermal Test Assessment.......................
.......................................36 7.8 Final Test Inspection..............................
...............................................37 7.9 Fi n al A s se s s m e n t.................................................................................
N. 0 W o r k s h e c t s............................................................................................
Appendis A: Drawings Appendit 11: Selected Fasteners Appendis C: Referenced Materials i
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SLt4TitJCL Test Plan #76 Amersham Corporation fetsruary 28,1998 i
Barkngton, fAassachusetts Pagt klof kl Figures, Tables and Worksheets Fi ;ure 1: Side Vlew of a hiodel 660 Series Projector....................................................... 3 t
Figure 2: hiodel 660 Series Projector with Design Changes............................................ 4 Figure 3: TP75 Test Specimen with Source Tube Severed at the Shipping Plug End...... 5 Figure 4 hiaximum hiovement of a Severed Source with Shield Collar Installed.......... 7 Ta ble 1 : hiod el 660 S eries Va ria tlon s............................................................................. I 1 Figure 5: Orientation Ibr the Four foot Free Drop: Specimens A and Al......................17 Figure 6: Orientation for the Four foot Free Drop: Specimen 11.....................................
18 Figure 7: Orientation for the Four fbot Free Drop: Specimens C and C1.......................19 Figure 8: Orientation Ihr the Four foot Free Drop: Specimen D..................................... 20 Figure 9: Orientation for t ie 30 foot Free Drop: Specimens A and A1.......................... 23 Figure 10: Orientation for the 30 foot Free Drop: Specimen 11..................................... 24 Figure 11: Orientation Ihr the 30 fbot Free Drop: Specimens C and Cl....................... 25 Figure 12: Orientation for the 30 fbot Free Drop: Specimen D...................................... 26 Figure 13: Orientation fbr the Puncture Test: Specimens A and A1............................... 29 Figure 14: Orientation for the Puncture Test: Specimen Il........................................... 30 Figure 15: Orientation for the Puncture Test: Specimens C and Cl............................... 3 i Figure 16: Orientation for the Puncture Test: Specimen D........................................... 32 Equipment List 1 : Four foot Free Drop.......................................................................... 3 9 Checklist 1: Four foot Free Drop: Iligh Temperature.................................................... 40 Checklist 2: Four foot Free Drop: Low Temperature.................................................... 42 Equipment List 2: 3 0 foot Free Drop.............................................................................. 4 4 Checklist 3: 30 foot Free Drop: Iligh Temperature.................................................... 45 Checklist 4: 30 foot Free Drop: Low Temperature...................................................... 4 8 Equipme nt List 3 : Pune ture Test................................................................................. 5 0 Cheeklist 5: Puneture Test: Iligh Temperature........................................................... 51 Checklist 6: Puncture Test: I ow Temperatute......................................................... 54 Eq ui pme nt L ist 4 : Thermal Test..................................................................................... 5 6 Checklist 7: Thermal Test: Specimens A. II, C and D............................................... 57 Checklbt 8: Thermal Test: Specimens A1 and C1........................................................ 60 s
e SENilNEL Test Plan #75 Amersham Corporation February 28,1998 Durlington. Massachusetts Page 1 of 02 Amersham Test Plan #75 This document describes additional packag,; design testing for Sentinel Model 660 Series projectors to meet NitC requirements for Type il(U) packages under llypothetical Accident Conditions (10 Cl 1171.73). The test plan also covers the criteria stated in I AIIA, Safety Series 6 (1985, as amended 1990).
The test sequence begins with the four foot free drop from the Normal Conditions of Transport testing (10 CFit 71.71) to condition the units as prescribed by the I Al!A.
The Model 660 Series includes these models: 660,660A,66011,660li,660Ali, and 6601111.
Itefer to Appendix A for descriptive drawings of these models. Iteference Certincate of Compliance 9033.
This document outlines the testing scenario, justifies the package orientations, and provides test worksheets to record key steps in the testing sequence.
1,0 Introduction 1.1 Previous Model 660 Series Testing Over the last five months,11 Model 660 Series projectors have been tested in accordance with 10 CFil 71 and Amersham Test Plans #70, #73 and #74.
In Test Plan #70, four units were subjected to Nonnal Transport Conditions and llypothetical Accident Conditions tests. One unit failed due to shield oxidation aller thennal test. The loss of carbon steel end plate screws during Test Plan #70 mechanical testing allowed the rear plate to open during the thennal test when the aluminum handle melted. The top of the plate pivoted from the unit partly exposing the depleted uranium shield to the heating elements and oxygen once the foam had burned off. The unit took four days to cool to room temperature, during which time the shield oxidized significantly. All other units met the requirements of 10 CFR 71.
Test Plans #73 and #74 evaluated the Model 660 Series projector with stainless steel screws instead of the carbon steel screws, The tests confirmed that stainless steel screws resolved the problem encountered in Test Plan #70, that is, the stainless steel screws did not break and they kept the end plate attached minimizing exposure of the shield to the heating elements and oxygen. The tests also demonstrated that the design change could be made both in new production and as a retrofit made in the field.
In Test Plan #74, one of the units showed unacceptable radiation levels after the thermal test.
This outcome led to a second design change, w hlch is the subject of this test plan. See " Design Change" on page 4.
e SENTINtl Test Plan #75 Amersharn Corporation fetsruary 28,1998 Durlington. Massac.husetts Page 2 of 62 It is important to note the following results from the previous testing:
All units met the criteria in 10 CFR 71.71.
nc ;. hipping plug and lock assembly remained intact in all tests.
nere were no shield fractures in any of the tests.
No stainless steel screws failed.
All units that underwent the 30 foot free drop and the puncture test would not ex-cced the IIUhr criterion in ANSI N4321980.
The torque applied to the stainless steel end plate attachment screws had no effect on the performance of the screws during any of the tests.
If the end. plates remain attached to the projector, there is not significant oxidation of the depleted. uranium shield Projectors with openings as wide as 1/4 inch passed the thermal tests.
1.2 Current Testing Test Plan #75 evaluates the performance of the Model 660 Series projector with a design modification in which a stainless steel collar is embedded into the foam over the connecting mds and the source-tube-exit portion of the shield near the rear plate. Installation of the collar as a retrofit component requires removal of the rear end plate that holds the lock assembly. See
" Design Change" on page 4.
Test Plan #74 showed the possibility of unacceptable levels of radiation if the shield moves during the thermal test described in the plan. Such movement may cause displacement of the source from its ideal shielded position. The shield may be able to move within the projector if the source tube has been damaged or dislocated, and if the foam has bumed off. If the source wire is engaged in the lock assembly when the shield moves, the source may be pulled from the center of the shield which provides maximum shielding. The displacement results in elevated radiation levels. The shield collar will limit movement of the shield as a result of thermal testing, thereby minimizing movement of the source and enabling the package to meet acceptable radiation levels.
SEtmNEL Test Plan #76 Amersham Corporation February 28.1998 Otrlington, Massachusetts Page 3 of 62 2.0 Transport Package Description 2.1 Current Package t
The current Model 660 Series projector consists of a source tube enclosed in a depleted-uranium shield, an end plate with a lock assembly (front end plate), a second end plate with a storage plug assembly (rear end-plate), four steel connecting rods, a sheet metal shell and roam packing material (1 igure 1),
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Figure h Side l'iew ofa Model 660 Series Projector The shield consists of a 1/2 inch outside diameter source tube with its mid section set in depleted uranium. One end of the source tube is inserted into a 1/2-inch hole in the lock assembly at the rear end plate. The other end of the shield's source tube is inserted into another 1/2 inch hole in the shipping plug at the front end plate. Iloth 1/2 inch holes allow enough radial clearance for a slip fitting attachment. There is approximately 1/8 inch axial clearance at the front end for assembly.
The source is contained in a special fomi, encapsulated capsule assembly which is attached to the source wire assembly. This source wire assembly is secured in the pactuge by the lock assembly. The lock assembly, in turn, is attached to the rear end-plate by four # 10 stainless steel screws. There are two versions of the lock assembly used on the Model 660 series projectors.
The size, material and locations of the end plate screws _ are_ identical on both versions.
The shield, end plates and the sheet metal shell are connected by four 3/8 inch thick swel rods which are threaded at each end to accept 1/4 inch screws securing the end plates to the rods.
SEN. EL Test Plan #75 Amersham Corporation February 28,1998 flurkngton, Massachusetts Page 4 of 62 A polyurethane foam is used to fill the space around the shield and fill the void within the sheet metal shell. The foam acts as an impact absorber.
'Ihe depleted uranium shield provides the primary radiation protection for the Model 660 Series projector. The shield accomplishes this by limiting the transmission of gamma rays to a dose level at or below 200 mlUhr at the package surface and limiting the dose level at or below 10 mIUhr at one meter from the surface of the package.
The kication of the source relative to its stored position in the shield is an important safety element, as displacement from its stored position could elevate the dose at the surface of the package above regulatory limits.
2.2 Design Chango l'igure 2 is a eutaway of a Model 660 Series projector with the design changes evaluated in this plan. 'lhe stainless steel shield collar is a D shaped ring that w raps over the two upper connecting rods and under the end of the shield. The collar will limit movement of the shield if the source tube slips from the rear end plate and the foam burns off.
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l SENTINEL Test Plan #75 f
Amersham Co#poration February 28,1998 Burhngton, Massachusetts Page 6 of 62 2.2.1 Design Objectives l
'Ihc purpose of the design change is to address two potential failure scenarios:
f in the first scenario, the source tube disconnects from the end. plates during the free drops e
and the support foam bums off during the thennal test, allowing the shield to move within the package and shin the source from its ideal shielded position. ~lhe source must move more than 1.5 inches from its ideal shielded position to increase radiation around the pack.
age to unacceptable levels.
In the second and much less likely scenario, the source tube disconnects from the end. plates t
during the free drops severing the source wire. The support foam burns ofTduring the ther-mal tests. The shield and severed source are allowed to move within the package to such a degree as to increase radiation around the package to unacceptable levels.
1he design objective is to reduce shield and source movement during the free drop and thennal tests.
2.2.2 Shield Collar l
Limiting Shield Movement Figure 3 illustrates the worst case for shield movement with the collar installed: The source tube severs at both ends of the shield and the front end of the shield drops to the bottom of the package. The shield collar limits the shield drop at the rear of the package to 0.37 inches, and thus restricts movement of the source to 0.58 inches from its stored position. Side-to. side movement of the shield from its original position is restricted to 0.04 inches on the len side and to 0.25 inches on the right side (Figure 3).
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SENilNCL Test Plan #75 Amersham Corporation February 28.1998 Durkngton, Massachusetts Page 6 of 02 The 1.5 inch collar width is required to prevent the shield from slipping past the collar in the event that the source tube shears off at the shipping plug end, as shown in Figure 3.
1he ability of the stainless steel collar to hold the shield during the thermal test is calculated as follows:
The maximum load applied to the stainless steel collar during the thermal tests is half the mass of the shield (20 lbs).
P.. = 20 lhn.
The maximum applied stress (Smas)on the collar is 377 psi:
S., = P.,, / A = 20 lbs, / 0.053 in = 377 pal m
where A is the nominal cross section of the collar.
1hc margin of safety (M,) indicates that the collar will hold the shield during the thennal test:
M. = (Sg / S. )- 1 = (3500 / 377) 1 > +8.3 m
l where S is the stress-rupture strength of AISI 304 stainless steel, the shield g
collar material, at 800' C, Limiting Source Wire Movement The aircady remote possibility af severing the source wire is further reduced by limiting movement of the shield during the 30 foot free drop test. the foam in conjunction with the collar limits this movement, as the compressed foam on the collar acts as a spacer between the shield and the collar.1he foam compresses to a solid at approximately 25% ofits original thickness.
With 0.37 inches of foam available for compression, the solid foam thickness is 0.09 inches leaving 0.28 inches of shield movement toward the collar. To sever the wire, the inner diameter of the source tube has to pass through the wire. The inner diameter of the source tube is 0.38 inches. The shield movement (0.28 inches) is less than the inner diameter of the source tube and therefore not sumelent to sever the source wire.
We have not been able to sever the source wire in experimental testing with the shield collar,
- but for the sake of a worst-case scenario, we are assuming that it is possible given an extreme impact to the lock assembly.1his possibility is tested with Orientation C as described on page 8. Figure 4 on Page 7 illustrates the worst case outcome from the lock impact in which the impact has caused the source tube to sever and to hang up on a damaged portion of the lock assembly. Note that the source tube remains connected to the front end plate and the shipping plug remains intact, in this worst case scenario, the range of the source movement is limited at one end by the shipping plug and at the other by the limited space between the shield collar and the shield, which is itselflimited by the shield collar. The maximum distance the source can
_ move from its stored position is 0.78 inches as shown in Figure 4.
l.- Staln/ css Stcc/ Handbook (Pittsburgh: Allegheny 1,udium Steel Corporation,1956), pages 51 58.
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---z y-g mi Figure 4: Afatimum Afovement ofa SeveredSource with Shield Collar Installed Other Design Considerations Other design considerations include:
' The collar adds only three ounces to the overall package weight.
The collar does not directly affect the structure of the device, reducing the possi-bility of causing damage to other areas normally unaffected during the tests.
One requirement of Test Plan #75 is the use of shields heavier than those used in the typical Model 660 Series projector (see Package Weight on page 13). He weight was added to the specimen by enlarging the shield at the source tube-exit ponion of the shield. As a result, the collars used in Test Plan #75 specimens will have a slightly larger circumference than the collars to be used in projectors with smaller, more typical shields. The gap between the shield and the collar remains constant at 114 inch for both the test specimen collar and the collar to be
- used with typical shields. Both collars will have the same material and cross-section, and they will limit shield movement to the same degree.
2.2,3 End-Plate Attachment Screws The design change also includes the use of stainless steel end-plate screws instead of carbon steel screws. These end plate fasteners were successfully tested in Test Plans #73 and #74.
SENilNEl.
Test Plan #75 Amorsham Corporshon February 28.1998 Durlington, Massachusetts Page 8 of 02 3.0 Purpose lhe purpose of this plan, w hich was developed in accordance with Amersham Sop l!005,is to test and evaluate modi 0 cations to 'he Model 660 Series projectors so that the Type il transport package requirements of 10 CI'll 71.73 are met.
'lhe liypothetical Accident Conditions tests (10 CI'It 71.73) to be perfonned are the 30 foot free drop, puncture test, and thennal test. The units will Drst undergo the four foot free drop specined in 10 CI'll 71.71.
't he crush test (10 CI'It 71.73(c)(2))is not performed because the radioactive contents are special-fonn radioactive material. 'lhe immersion test and all other conditions speci0ed in 10 CI'It 71.73 will be separately evaluated in accordance w'th Amersham Work Instruction Wi l!08, 4.0 System Failures and Orientations The system failures tested in this plan are intended to cause the movement of the source from its stored position.
l'our package orientations are specined in this plan:
Orientation A targets the bottom edge of the rear end plate to buckle the plate and disrupt the connection between the source tube and the end plate.
The bottom edge of the plate provides the second largest unobstructed surface area for rapid deceleration upon impact. (Orientatico 11 provides the largest.) It also allows the shield to move in the drop direction with the focus of damage on the connection between the lock assembly and the source tube. In previous testing, this orientation has proven to be the most damaging to the Model 660 Series package.
Orientation 11, the nonnal transport position, impacts on the surface of the shell feet 'lhe shell feet quickly depress and allow the bottom edges of the end plates to hit.
This orientation provides the largest unobstructed impact surface for rapid deceleration of the package upon impact.11ach end-plate is a rigid structure which limits deformation and directs the shock load to the connections between the source tube and the front and rear end-plates.
The orientation also allows the greatest degree of shield movement in the drop direction. The momentum of the shield toward the bottom of the package may cause both ends of the source tube to shear or bend.
The objective for Orientation C is to damage the connection between the lock as-sembly and the shield. The impact point is the outer edge of the lock assembly cov-cr. This orientation directs the maximum obtainable shear force to the lock assembly in an attempt to move the lock and the source. Other orientations for at-tacking the lock assembly would not benent from the center of gravity aligned with the impact position or would be limited by interference from the plate edges.
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durtangton, Massachusetts Page 9 of 62 The objective for Orientation D is to dislocate the source tube, that is, pull it out of
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its lock assembly connection. The impact point is the bottom edge of the front end.
plate.
The bottom edge of the plate provides the second largest unobstructed surface area for rapid deceleration upon impact. (Orientation 11 provides the largest.) It also allows the shkid to move in the drop direction away from the lock asembly.
Other orientations that were considered but rejected include:
Any top edge of the package would not provide as much shock loading as the ori-entations selected because of smaller impact surfaces, energy absorption provided by the handle assembly, and a limited space for the shield to move because of the tapered design at the top of the package, impacting the projector sides provides very small impact points compared to the e
selected impact surfaces because the surfaces are curved. Attacking a side also lim-its shield movement because the shleid almost touches the sides of the package.
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durlington, Massachusetts Pago 10 of 62 5,0 Construction and Condition of Test Specimens
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j The test specimens are to be constructed in accordance with Amersham Drawing TP75, f(ev. A (Drawing TP75). With the exception of the shield collar and stainless steel end plate screws, the units specified in Drawing TP7$ are in accordance with the NitC approved design.
Drawing TP75, specifies the Model 660 Series in its worst case transport condition, that is, with supplemental lead added to the shield. 'lhe added weight induces liigher loads during dynamic testing.
l'our units are to be tested at a temperature above 27 C (80 1 ) to evaluate the cf fcets of temperature on the foam and its ability to hold the shield in place. At higher temperatures, the foam compresses more allowing increased movement of the shield.
Two more units will be tested at or below -40" C for the free drops and the puncture test using the Orientation A, which targets the bottom edge of the rear end plate, and Orientation C, which targets the lod assembly. These orientations were the most damaging to the test specimens in previous Model 660 Series testing at low temperatures.
Table 1 lists the differences between the test specimens and other 660 Series models.
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SENTINEL Test Plan #75 Amert. ham Corporation february 28,1998 Durhogton. Massachusetts Page 11 of 62 l
Table 1: Model 660 Series Varlallons Feature 660 Seri s Models 5
Shell Material Stainless steel Models 660AE,660BE and 660E have wires and connectors attached to ends plates for automatic actuation.
Models 660,660A and 660D do not have actuator wires and connectors, imck Assembly Posilok"
%e Models 660 and 660E use a non Posilok lock atsembly.
All other models feature the Posilok lock assembly.
Actuator Wires No actuator wires and Models 660AE,660HE and 660E have wires and connectors and Connectors connectors attached to ends plates for automatic actuation.
Models 660,660A and 66011 do not have actuator wires and connectors.
Shield Capacity 140 Curie The following n.adels have 120-Curie capacity shields:
660,660A,660AE and 650E.
The following models have 140-Curie capacity shields:
660B and 660BE.
Ilody Width Standard width Some Model 660s and Model 660Es have a narrow-body (51/4 inches) design (4 3/4 inches wide).
All other models only use the standard-width body (51/4 inches).
Source Tube Titanium Prior to 1980, the Models 660,660A,660AE and 660E were Material manufactured with rircaloy source tubes.
All other units have titanium source tubes.
Use of Lead Supplementallead Prior to June 1992, some units in the Modei 660 Series had added lead added to supplement the shielding. The maximum amount oflead added was three pounds. The amount was also limited by a maximum shield weight of 40 pounds and a maximum package weight of 56 pounds.
Weight
$4 pounds minimum Over the last Ove years, the average package weight has been approximately $0 pounds. Earlier in the product history, the average weight was approximately 53 pounds.
End-plate Stainless steel screws Standard Model 660 Series projectors have comme.cial fasteners (MS 51959 81) carbon steel end plate screws.
Shield Collar Collar supports the The collar, which is th ! subject of these tests, has not been source tube used on any Model 660 Series projectors.
SENTINEL Test Plan #75
. Amersham Corporation February 28,1998
- Burlington, Massachusetts Page 12 of 62 The first six differences listed in Table I do not affect test specimen performance for the following reasons:
Shell Materials: The shell thickness is 1/16-inch for the carbon steel and staiake steel versions. The likelihood of a crack or brittle flaw increates with the thickness of the section and is a problem in sections greater than 1/8-inch. Additionally, the temperature for transition from ductile to brittle failure is lower for the thinner sec-tions. The thicker carbon steel end-plates will reach the ductile to-brittle transition temperature long before the shell does. The end-plates are structural members, while the shell is not structurally significant.
teck Style: Damage to the Posilok !ock assembly used on the test specimen would represent damage to any Model 660 Series lock assembly, including the non Posilok style assemblies used on the Model C60 and the Model 660E.
The internal components of both lock assemblies are protected by the same lock assembly cover and almost identical selector rings. The cover and selector ring must be significantly damaged before an impact can disrupt the internal components' securement of the source. Because of the strength of the cover and the selector ring, damage to the source securement is more likely to occur from the failure of the lock assembly screws. All models use the same type and size screws in the same locations.
Actuator Wires and Connectors: The additional parts used for automatic actua.
tion provide no structural support.
Shield Capacity: The lower-capacity shields cre either lighter than or the same weight as the shield used on the Model 660B, making the 660B the worst case for shield failures ofinterest in these tests.
Body Width: The end-plates and shells of the narrow-body versions of the Model 660 and the Model 660E would provide smaller impact surfaces than the standard-width plates and shell used in the test specimen. The smaller impact surfaces would result in greater surface deformation and less deceleration on impact. As a result there would be less transfer of impact forces that could affect the integrity of the source securement.
Source Tube Material: The Model 660 Series projectors have been manufactured with titanium sourc M.es exclusively since 1980. Because this represents our cur-rent manufacturing methods and because the majority of Model 660 Series units currently in use have titanium source tubes, the test specimens will be manufac-tured with titanium source tubes. Based on an evaluation ef the damage caused by the tests, we will assess the implications for previously fabricated packages which utilized zircatoy.
Note that c!though listed on the descriptive drawings, stainless steel source tubes have never been used in the fabrication of Model 660 Series units, nor do we intend to use them in future fabrication.
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 13 of 62 The other differences listed in Table I are made for the following reasons:
Supplemental Lead: Prior to June 1992, supplemental lead was added to the de-pleted-uranium shield in the production of Model 660 Series projectors. Although the additica of supplemental lead is no longer a production technique, the test spec-imens will be fabricated with the supplemental lead to ensure the maximum device mass.
Package Weight: Because of more efficient casting and the elimination of supple-mental lead shielding, the average weight of Model 660 units produced in the last five years is three pounds less than the average weight for units produced in the car-ly years of the series history. Two steps will be taken to build test specimens that will weigh at least 54 pounds:
lleavier depleted-uranium shields will be fabricated.
Supplemental lead will be added to the shield.
The TP75 will be consistent with current manufacturing procedures and will represent the heavier units in the Model 660 population. Ninety-seven percent of all 660 units produced weigh 54 poun^ or less.
End plate screws: Stainless steel end-plate screws are new to the Model 660 Se-ries, and were evaluated in Test Plans #73 and #74. Tne tests proved that the stain-less steel screws were effective in keeping the end-plates attached.
Shicid Collar: The shield collar is new to the Model 660 Series. Projectors with the design change are being evaluated in this test. The collar is a ring formed from 1.5-inch wide stainless steel sheet metal that holds the shield in place during ther-mal testing. The <:ollar uses the two upper connecting rods as hanger supports and cradles the source-tube-exit ' portion of the shield.
6.0 Material and Equipment List The test worksheets in Section 8.0 list the key materials and equipment specified in 10 CFR 71 and the necessary measurement instruments.
When video recording b specified in the followir.g tests, select video cameras with the highest shutter speed practical to record testing.
Additional materials and equipment may be used to facilitate the tests.
1 SENTINEL Test Plan #75 Amersham Corporation February 28.1998 Durhngton, Massachusetts Page 14 of 02 7.0 Test Procedure Four units are to b tested at high ternperatures each using a different package orientation. Two units will be tested at low temperatures using Orientations A and C.
The tests have the following sequence:
1.
Test specimen preparation and inspection 2.
Four-foot free drop (10 CFR 71.71(c)(7))
3.
30-foot free drop (10 CFR 71.73(c)(1))
4.
Puncture test (10 CFR 71.73(c)(3))
5.
Intennediate test inspection 6.
Thennal test (10 CFR 71.73(c)(4))
7.
Final test inspection 7.1 Roles and Responsibilities The responsibilities of the groups identified in this plan are:
Engineering executes the tests according to the test plan and summarizes the test
+
results. Engineering also provides technical input to assist Regu'atory Affairs and Quality Assurance as needed.
Regulatory Affairs monitors the tests and reviews test reports for compliance with
+
regulatory requirements.
Quality Assurance oversees test execution and test report generation to ensure
+
compliance with 10 CFR 71, other regulatory requirements and the Amersham Quality Assurance Program.
Engineering, Regulatory Affairs and Quality Assurance arejointly responsible for
+
assessing test and specimen conditions relative to 10 CFR 71.
Quality Control, a function that reports directly to Quality Assurance, is responsi-
+
ble for measuring and recording test and specimen data throughout the test cycle.
The managers directly responsible for Engineering, Regulatory Affairs and Quality Assurance will identify and document personnel who are qualified to represent their departments in carrying out this test plan.
J
SENTINEL Test Plan #75 Amersham Corporation February 28.1998 Durlington, Massachusetts Page 15 of 62 7.2 Test Specimen Preparation and Inspection To prepare the test units:
1.
Manufacture each test specimen in accordance with Drawing TP75. Install the shield collar (066040-6) after the foam cure to simulate retront instal-lation and worst-case assembly conditions.
2.
Inspect the test units to ensure that they comply with the requirements of the Drawing TP75.
3.
Perform and record the radiation profile in accordance with Amersham Work Instruction Wi-Q05.
4 Measure and record the location ofibc source using tool BT10142, Rev. A, or an alternate method. Document the method if an attemate method is used.
5.
Engineering. Regulatory Affairs and Quality Assurance willjointly verify that the test specimens comply with the Drawing TP75, and the Amersham Quality Assuraace Program.
6.
Prepare the p.kage for transport.
7.3 Four-foot Free Drop Test (10 CFR 71.71(c)(7))
The Grst test is the four-foot free drop as described in 10 CFR 71.71(c)(71 This Normal Transport Conditions test is included to provide preliminary damage to the units.
Equipment Lists and Test Procedure Checklists are provided in Section 8.0 starting on page 38.
Date and initial all action items, and record required data on the appropriate worksheet.
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 10 of 62 7.3.1 Four-foot Free Drop Setup in this test, the package is released from a height of four feet and lands on the steel drop surface specined in Drawing AT10122, Rev. B, There are four different package orientations for this test.
NOTE:
Because each test is designed to adJ to damage inflicted on a specific componert or assembly in the preceding test, it is importani that each specimen maintain its identity throughout the batter)> of tests and that the setup instrt. ! ions speci/Ic to the sjecimen are strictlyfollowed This test requires testing at two different temperatures:
Specimens A, B, C and D must be above 27 C at the time of the dror.
Follow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Checklist 1: Four-foot Free Drop: High 7'emperature on page 40.
Specimens A1 and Cl must be at or below -40 C at the time of the drop.
Fohow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Checklist 2 Four-foot Free Drop! Low Temperature on page 42.
To set up a package for the four-foot drop test:
1.
Use the drop surface speci6ed in Drawing AT10122, Rev B.
2.
Measure and record the specimen's internal and surface temperatu~e to en-sure that the package is at the appropriate temperature:
Above 27 C for Specimens A, B, C and D
+
At or below -40* C for Specimens Al and Cl 3.
Place the specimen on the drop surface and position it according to the ap-propriate orientation:
Refer to Figure 5 on Page 17 for Specimens A and Al.
Refer to Figure 6 on Page 18 for Specimen B.
Refer to Figure 7 on Page 19 for Specimens C and Cl.
Refer to Figure 8 on Page 20 for Specimen D.
I 4.
Align the selected center-of-gravity marker as shown in the referenced drawing.
5.
Raise the package so that the impact target is 4.0 to 4.5 feet above the drop surface.
l l
w 3
J
4 l
SENTINEL.
Test Plan #73 Amersham Corporation February 28,1998 i
Burlington, Massachusetts Page 17 of 62 7.3.2 Four-foot Free istop Orientation: Specimens A and A1 The four feot drop setup for Specimens A awf A 1 (Figure 5) targets the bottom edge of the rear end plate, as described in " System Failures and Orientations" on page 8.
Make sure the center of gravity is directly over the point of impact.
c j
r\\
\\,(- ]p ";"'q \\
Center-of-Gravity Marker.
X /,-
\\:\\'h}c# s3 i
N y
N.<
t 4
Impact Surface: #
Bottom edge of k
rear end-plate 4.0 to 4.5 feet l
U b
- )
Drop Surface
- ? ' ~ i-Drawing AT10122, w' '2:
Rev.B Figure 5: Orientationfor the Four-foot Free Drop: Specimens A and Al
O SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 18 of 62 7.3.3 Four-foot Free Drop Orientation: Specimen B For Specimen II, the impact point is the bottom surface of the shell as shown in Figure 6 and described in " System Failures and Orientations"on page 8.
[
)
-:.((\\ g..j
.f' 8
~ ' 'l Center-of-Gravity
- + =
b_;:fx.s
?
{E 4
Marker v
f 1/
Impact Surface:
I 40 to (5 feet Bottom edges of shell feet U
5
)
{
Drop Surface Drawing AT10122, Rev, 8 Figure 6: Orientationfor the Four-foot Free Drop: Specimen B
e SENTINEL-Test Plan #75 Amersham Corporation February 28.1998 Burlington. Massachusetts Page 19 of 62 7.3.4 Four-foot Free Drop Orientation: Specimens C and C1 The four foot drop' setup for Specimens C and C1 (Figure 7) targets the outer edge of the lock assembly cover, as described in " System Failures and Orientations" on page 8.
Make sure the center of gravity is directly over tt : point of impact.
Center-of-Gravity f-Marker
=+ \\
\\L T
'il surface:l l-g Outer edge of the lock assembly 4,0 to 4.5 feet cover i.
l l
.s
> Drop Surface M
Drawing AT10122, Figure 7: Orientationfor the Four-foot Free Drop: Specimens C and Cl
-_______a
=.
SENTINEL Test Plan #75
- Amersham Corporation February 28,1998 Burlington, Massachusetts Page 20 of 62 7.3.5 Four-foot Free Drop Orientation: Specimen D For Specimen D, the impact point is the bottom edge of the front end-plate as shown in Figure 8 and described in " System Failures and Orientations" on page 8.
^>g x'e
)
/j
/
Impact Surface:
I The, bottom edge 1
4.0 to 4.5 feet of tbs front end-plate i
i i
^
Drop Surface v
5
+
Draviing AT10122 k
Rev.B Figure 8: Orientationfor the Four-foot Free Drop: Snecimen D -
I
SENTINEL Test Plan #75 Amersham Corporatica February 28,1998 Burlington, Massachusetts Page 21 of 62 l
7.3.6 Four-foot Free Drop Assessment Upon completion of the test, Engineering, Regulatory Affairs and Quality Assurance team members willjointly perform the following tasks:
Review the test execution to ensure that the test was performed in accordance with 10 CFR 71.71.
Make a preliminary evaluation of the specimea relative to the requirements of 10 CFR 71.71.
Assess the damage to the specimen to decide whether testing of that specimen is to continue.
g Evaluate the condition of the specimen to determine what changes are necessary in I
package orientation in the 30-foot free drop to achieve maximum damage.
i
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 22 of 62 7.4 30-foot Free Drop Test (10 CFR 71.73(c)(1))
The first flypothetical Accident Conditions test is the 30-foot free drop as described in 10 CFR 71.73(c)(1). This drop uses the same orientations as the four-foot drop and compounds any damage caused in that test. The package orientations are shown in Figure 9 through Figure 12.
Equipment Lists and Test Procedure Checklists are provided in Section 8 0 starting on page 38.
Date and initial all action items, and record required data on the worksheet.
This test requires testing at two different temperatures:
Specimens A, B, C and D must be above 27* C at the time of the drop.
Follow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Checklist 3: 30-foot Free Drop: High Temperature on page 45.
Specimens Al and Cl must be at or belo / -40 C at the time of the drop.
Follow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Chect/is f: 30-foot Free Drop: Low Temperature on page 48.
7.4.1 30-foot Free Drop Setup To set up a package foi the 30-foot drop test:
1.
Use the drop surface specified in Drawing AT10122, Rev B.
2.
Measure and record the weight of test specimen.
3.
Measure and record the specimen's internal and surface temperature to en.
sure that the package is at the appropriate temperature:
Above 27 C for Specimens A, B, C, and D At or below-40* C for Specimens Al and Cl 4
Place the specimen on the drop surface and position it according to the ap-propriate orientation:
Refer to Figure 9 on Page 23 for Specimens A and A1.
Refer to Figure 10 on Page 24 for Specimen B.
Refer to Figure i I on Page 25 for Specimens C and Cl.
Refer to Figure 12 on Page 26 for Specimen D.
5.
Align the selected center-of-gravity marker as shown in the referenced drawing.
6.
Raise the package so that the impact target is 30 to 32 feet above the drop surface.
1
o SENTINEL Test Plan #75
- Amersham Corporation February 28.1998 Burlington, Massachusetts Page 23 of 62 7.4.2 30-foot Drop Orientation: Specimens A and A1 The 30-foot drop setup for Specimens A and Al (Figure 9) targets the bottom edge of the rear end plate, as described in " System Failures and Orientations" on page 8.
Make sure the center of gravity is directly over the point of impact.
Center-of-Gravity
(
Marker X
h 4e
'j l
impact Surface:
Bottom edge of the l
rear end-plate j.
l 30 to 32 feet I.
l l.
i Drop Surface s
3
- s.. '...
Drawing AT10122, Rev.B Figure 9: Orientationfor the 30-foot Free Drop: Specimco.. A and Al
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durlington, Massachusetts Page 24 of 62 7.4.3 30-foot Drop Orientation: Specimen B For Specimen B, the impact point is the bottom surface of the shell as shown in Figure 10 and described in " System Failures and Orientations" on page 8.
l l
r 1a
,. -::~~~Q g
s4_-- }T
^
Center-of-Gravity
.. +=
{ey:;- j\\-
Marker L-h;r.._
'N-
,=.n.
J
'4 L
!/
Impact Surface:
I 30 to 32 feet Bottom edges of
{
shell feet I
s
- / Drop Surface
' 4.g, Drawing AT10122, Rev.B Figure 10: Orientationfor the 30-foot Free Drop: Specimen B i
^: Q ~
SENTINEL Test Plan #75 Ame4 ham Corpo% tion --
February 28,1998 Burlington, Massachusetts Page 25 of 62 7.4.4 30-foot Drop Orientation: Specimens C and C1 The 30. foot drop setup for Specimens C and CI (Figure 11) targets the outer edge of the lock -
assembly cover, as described in " System Failures and Orientations" on page 8.
Make sure the center of gravity is directly over the point of impact.
T l
(.
Center-of-Gravity
[]
=df Marker impact Surface:
l Outer edge of the j
~
lock assembly cover
_j -
i.
30 to 32 feet l.
ll 5
?
Drop Surface Drawing AT10122, Rev.B Figure i1: Orientationfor the 30-foot Free Drop: Specimens C and C1 4
m
O SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burhngton, Massachusetts Page 26 of 62 7.4.5 30-foot Drop Orientation: Specimen D For Specimen D, the impact point is the bottom edge of the front end-plate, as shown in
)
Figure 12 and described in " System Failures and Orientations" on page 8.
h' Ql g
f
(
Impact Surface:
i The bottom edge i
of the front end-plate I
i
_ i 30 to 32 feet i
i i
i i
i t-Drop Surface
%QW Drawing AT10122 Rev.B Figure 12: Oru
~for the 30-foot Free Drop: Specimen D 7.4.6 30-foot Free Drop Test Assessment Upon completion of the test, Engineering, Regulatory Affairs and Quality Assurance team members willjointly perform the following tasks:
Review the test execution to ensure tha the test was performed in accordance with 10 CFR 71J/3 Make a preliminary evaluation of the specimen relative to the requirements of 10 CFR 71.73 Assess the damage to the specimen to decide whether testing of that specimen is to
- continue, Evaluate the condition of the specimen to determine what changes are necessary in package orientation in the puncture test to achieve maximum damage.
i
.J
o SENTINEL Test Plan #75 Amersham Corporation February 28.1998 Burlington. Massachusetts Page 27 of 62 I
7,5 Puncture Test (10 CFR 71.73(c)(3))
The 30-foot free drop is followed by the puncture test per 10 CFR 71.73(c)(3), in which the package is dropped from a height of at least 40 inches onto the puncture billet specified in Drawing CT10119, Res. C.
The billet is to be bolted to the drop surface used in the free drop tests (Figure 13).
Equipment Lists and Test Procedure Checklists are provided in Section 8.0 starting on page 38.
Date and initial all action items, and record required data on the worksheet.
This sequence requires testing at two different temperatures:
Specimens A, B, C and D must be above 27* C at the time of the drop.
Follow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Checklist 5t functare Test: High Temperature on page 51.
Specimens Al and Cl mast be at or below.40' C at the time of the drop.
Follow the Checklist instructions for measuring and recording the specimen temperature before and after the drop. Use Checklist 6: Puncture Test: Low Temperature on page 54.
7.5.1 Puncture Test Setup There are four different package orientations for the puncture test. Each orientation assures that the package lands on the component or assembly ofinterest.
NOTE:
Because each test is designed to add to damage inflicted on a specific component or assembly in the preceding test, it is important that each specimen maintain its identity throughout the battery oftests and that the setup instructions specific to the specimen are strictlyfollowed.
This test uses the 12 inch high psture billet (Drawing CT10119, Rev. C). The billet meets the
- minimum height (8 inches) required in 10 CFR 71.73(c)(3). The specimen has no projections or overhanging members longer than 8 inches which could act as impact absorbers, thus allowing the billet to cause the maximum damage to the specimen.
To set up a package for the puncture test:
1.
Measure and record the weight of the package.
2.
Measure and record the specimen's intemal and surface temperature to en-sure that the package is at the appropriate temperature:
Above 27 C for Specimens A, B, C and D
.j
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 28 of 62 At or below -40* C for Specimens Al and C1 3.
Position the unit according to the appropriate orientation:
For Specimens A and Al, refer to Figure 13 on Page 29.
For Specimen B, refer to Figure 14 on Page 30.
For Specimens C and C1, refer to Figure 15 on Page 31.
For Specimen D, refer to Figure 16 on Page 32.
4.
Check the alignment of the specified center-of gravity marker with the tar-geted point ofimpact.
5.
Raise We package so that there is 40 to 42 inches between the package and the top of the puncture billet.
I I
1
l SENTINEL-Test Plan #75 l
Amersham Corporation February 28,1998 Burlington, Massachusetts Page 29 of 62 7.5.2 Puncture Test Orientation: Specimens A and A1 The puncture test setup for Specimens A and Al (Figure 13) targets the bottom edge of the rear end-plate, as described in " System Failures and Orientations" o. page 8.
Make sure the center of gravity is directly over the point of impact,
/
Center-of-Gravity --
3e Marker y
\\,,\\
i Impact Surface:
l Bottom edge of j
the rear end-plate 40 to 42 inches I
t U
Puncture Billet Drawing CT10119 Rw, C s
Drop Surface Drawing AT10122 Figure 13: Orientationfor the Puncture Test: Specimens A and AI l
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts -
Page 30 of 62 7.5.3-Puncture Test Orientation: Specimen B The objective of the Specim:n B orientation (Figure 14) is to puncture the shell and move the shicid. The impact area is the bottom of the package, the largest flat surface on the shell. This surface will yield the greatest deceleration, while the momentum of the shield continues downward.
Align the center-of gravity marker on the side of the package over the puncture billet.
[-
)
Center-of-Gravity
/
f I
Marker
,. py 7;
,q,
.:: O -Y,
=
I impact Surface:
Bottom of the package 40 to 42 inches between the end-plates l
P Puncture Billet Drawing CT10119 Rev,C L
l' I
? Drop Surface Drawing AT10122
- i, 3 ;
Figure 14: Orientationfor the Puncture Test: Specimen B '
1 J
SENTINEL Test Plan #75 Amersham Corporation February 28.1998 Burlington. Massachusetts.
Page 31 of 62 7.5.4 Puncture Test Orientation: Specimens C and C1 (L
The puncture test setup for Specimens C and Cl (Figure 15) targets the outer edge of the lock assembly cover, as described in " System Failures and Orientations" on page 8.
Make sure the center of gravity is directly ov the point ofimpact, t a
\\V
\\
I Center of-Gravity
%. il Marker N
(
/i impact Surface:
Outer edge of the 40 to 42 inches lock assembly cover Puncture Billet Drawing CT10119
-Rev.C Drop Surface -
Drawing AT10122 Rev.B Figure IS: Orientationfor the Puncture Test: Specimens C and Cl
- -.~._ -..-
.. ~. -.
. _ = -.
l 2NTINEL Test Plan #75 anersham Corporation February 28,1998 Burlington, Massachusetts Page 32 of 62 I
7.5.5 Puncture Test Orientation: Specimen D The objective of the Specimen D orientation (Figure 16)is to dislocate the source tube from its 4'
lock assembly connection by impacting the bottom edge of the front end. plate, j
Align the impact point over the puncture billet.
i 1
T i
IV
.)
i s
i Impact Surface!
! 40 to 42 inches l
Bottom edge of the front end-plate 4
4 Puncture Billet Drawing CT10119 Rev.C r4 4
s m a
op Surface l
- Drawing AT10122 Rev.B i
Figure 16: Orientationfor the Puncture Test: Specimen D j
4 i
e 4
i t
a
,J
,-4 e.
r
,-,-,,.--,,..<.w-.
,4
-.,-r v -
SENTINEL Test Plan #75 l
Amersham Corporation.
February 28,1998 l
Durhngton, Massachusetts Page 33 of 62 7.5.6 Puncture Test Assessment Upon completion of the test, Engineering, Regulatory Affairs and Quality Assurance team members willjointly perform the following tasks:
. - Review the test execution to ensure that the test was performed in accordance with 10 CFR 71.73.
Make a preliminary evaluation of the specimen relative to the requirements of 10 CFR 71.73.
Assess the damage to the specimen to decide w hether testing of that specimen is to continue.
. - Evaluate the condition of the specimen to detennine whether the thennat test should be performed with the specimen.
Evaluate the condition of the specimen to detennine the package orientation for the thennal test to achieve maximum damage.
As pan of the evaluation, measure the weight of the specimen.
7.6 Intermediate Test inspection Perfonn an intennediate test inspection aller the puncture test.
1.
Measure and record any damage to the test specimen, 2.
If possible, measure and record the source location using tool BT10142, Rev. A, and/or an alternate method. Document and justify the alternate method used.
3.
If a source can be installed without affecting the integrity of the test spec-imen, profile the package using an active source in accordance with Am-ersham Work Instruction Wi-Q09.
4.
Assess the significance of any change in radiation at the surface or at one meter from the package.
J
m.
=,-
= SENTINEL -
Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 34 of 62 7.7 ' Thermal Test (10 CFR 71.73(c)(4))
The Anal requirement is the thermal test specified in 10 CFR 71,73(c)(4).
IIquipment Lists and Test Procedure Checklists are provided in Section 8.0 starting on page 38.
Date and initial all action items, and record required data on the workshet. Two checklists are provided for this test:
Checklist 7: Thermal Test: Specimens A, B, C and D on page 51 Checklist 8: Thermal Test: Specimens Al and Cl on page 60 To ensure suf0cient heat input to the test specimens, each specimen will be preheated to a temperature of at least 800* C and held to at least that temperature for 30 minutes. This test condition provides heat input in excess of the requirements specified in 10 CFR 71,73(c)(4),
which does not include a preheat condition. The preheat condition assures equivalent heat input regardless of emissivity and absorptivity coefTicients.
The test environment is a vented electric oven operating greater than 800* C. There will be sufGeient air now to allow combustion. Air will be forced into the oven at a minimum rate of 9.6 cubic feet per minute to ensure sufGcient oxygen to fully combust all package materials thst are capable of hurning. This rate is based on the following analysis:
- 1. - The only combustible material in the TP75 is the polyurethane foam, 2.
The chemical composition of polyurethane is [C tl NO 3]n.
26 33 3.
The products of combustion are carbon dioxide (CO ) and water (11 0) 2 2
and the molecular weights of the component materials are:
C = 12 11 = 1 O = 16 N = 14 4.
The maximum mass of the polyurethane in a TP75 is 988 grams The max-imum amounts of carbon and hydrogen present in the polyurethane are computed as follows:
Polyurethane C26 II33 -
N Oi3 Molceular Weight (2fx12)
(33x1)+
(lx14)+
(13x16)
+
567 =
312 +
33 +
14 +
208 Percent by Mass 55.0%
5.8%
2.5%
36.7%
988 g =
543g +
57g +
25g +
363g
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 35 of 62 5.
The amount of oxygen required to fully combust the carbon to carbon di-oxide is computed as follows:
Carbon Dioxide C
02 Molecular (1x12)
(2x16)
Weight
+
44 =
12 +
32 For a given mass of carbon,32/12 = 2.67 times that mass of oxygen is required to fully combust the carbon to carbon dioxide. For a TP75 containing 543 grams of carbon, full combustion would require 1450 grams of oxygen.
6.
The amount of oxygen required to fully convert the hydrogen to water is computed as follows:
Water 112 O
Molecular (2vl) +
16 Weight 18 =
2+
16 For a given mass of hydrogen,16/2 = 8 times that mass of oxygen is required to fully convert the hydrogen to water, For a TP75 with 57 grams of hydrogen, full combustion would require 456 grams of oxygen.
7.
The sum of these oxygen requirements (1450g + 456 g) less the oxygen supplied by the polyurethane (-363 g) equals 1543 grams of oxygen to as-sure sufTicient oxygen to burn the polyurethane foam. At standard condi-2 tions, the composition of air is 23.2% oxygen by mass. Therefore,6650 grams of air are required.
8.
The volume of air is computed at a density of 1.225 grams / liter to be 192 cubic fret:
3 3
6650g/l.225g/l = 54301 = 5.43m =192 fl 9.
A 50% safety factor is added and the volume is distributed over the 30-minute test period to determine a minimum air flow rate of 9.6 cubic feet per minute:
3 3
(192 R )(1.5)/ 30 min. = 9.6 ft / min; The air will be introduced as compressed air passing through a flowmeter and into the oven via metal tubing. A sufficient length of tubing will be inside the oven to ensure sufficient preheating.
- 2. Avallone, Eugene A., and Theodore Baumeister Ill, Editors, Afarks'SendardI/andbookfor AIcchanical Engineces, Ninth Edition (New York: McGraw-liill Book Company,1987), page 4-27.
.j
s l
SENTINEL Test Plan #75 Amersham Corporation February 28.1998 Burlington, Massachusetts Page 30 of 62 The temperature of the package's exterior surface will be monitored throughout the test to ensure that the package remains above 800* C.
If the specimen is burning when it is removed, the unit is allowed to extinguish by itself and then cool naturally. The final evaluation of the package is performed when the specimen reaches ambient temperature.
7.7.1 Thermal Test To perfonn the thennal test:
1.
Bring the oven temperature above 800* C.
2.
Attach thermocouples to th: package's intemal and extemal measurement locations, and inside the oven.
3.
Place the package in the oven and close the door.
4.
When the internal temperature of the package goes above 800 C, start air flow and stan a 30-minute timer.
5.
Measure and record the oven temperature, test specimen internal and ex-temal temperatures, and the air flow rate. Record whether there is any combustion.
6.
Monitor the specimen's intemal and ertemal temperatures, and the oven temperature throughout the 30-minute test period to ensure that all temper- -
atures remain above 800* C.
7.
Monitor the airflow rate throughout the test period to ensure that it remains above 9,619/ minute.
8.
At the end of the 30 minutes, repeat Step 5.
9.
Remove the test specimen from the oven.
10.
Allow the package to self-extinguish and cool.
I1.
Measure and record the source location using tool BT10142, Rev. A, or us-ing an alternate method if damage to the specimen precludes use of the tool. Document andjustify the alternate method used.
7.7.2 Thermal Test Assessment-Upon completion of the test, Engineering, Regulatory Affairs and Quality Assurance team members willjointly perform the following task:
Review the test executbn to ensure that the test was performed in accordance with 10 CFR 71.
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 l
Burlington, Massachusetts Page 37 of 62 7.8 Final Test inspection Perfomi the following inspec' ions after completion of the thermal test:
1.'
Measure and record any damage to the test specimen.
2.
Profile the package using an active source in accordance with Amersham Work Instruction Wi-Q09.
3.
Assess the significance of any change in radiation at one meter from the package.
4.
Determine whether it is necessary to die aantle the test specimen for in-spection of hidden component damage or failure.
5.
If you decide to proceed with the inspection, record and photograph the process of removing any component, 6.
Measure and record any damage or failure found in the process of dismantling the test specimen.
7.9 Final Assessment.
Engineering, Regulatory Affairs, and Quality Assurance team members will make a final assessment of the test specimen, andjointly determine whether the specimen meets the requirements of 10 CFR 71.73.
e l
SENTINEL Test Plan #75 Amersharn Corporation February 28,1998 l
Burlington, Messachusetts Page 38 of 62 8.0 Worksheets Use the following worksheets for executing these tests. There are three worksheets for each test:
an equipment list and two test procedure checklists.
Use the test equipment list to record the serial number of each measurement device used. Attach a copy of the relevant inspection report or calibration certificate after you have verined the range and accuracy of the equipment.
Quality Control will initial cach step on the checklist as it is executed and record data as required. The Engineering, Regulatory Affairs end Quality Assurance representatives must witness all testing to ensure the testing is perfoimed in accordance with this test plan and 10 CFR 7 t.
Make copies of the forms for additional attempts. Maintain recorus of all attempt.s.
)
SENTINEL Test Plan #75 Amersham Corporation February 20,1998 Burlington, Massachusetts Page 39 of 62 Equipment 1.ist 1: Four-foot Free Drop
(
Enter the Model and Attach inspection Report or Description Serial Number Calit ration Certificate Drop Surface, Drawing AT10122, Rev. B Thermometer Thermocouple flexible probe Thermocouple surface probe Record any additional tools used to facilitate the test and attach the appropriate inspection repart or calibration certificate.
Verified by:
Signature Date Engineering Regulatory AtTairs Quality Assarance
_.___.m
._.. _ _.. _ _ _ _ _ _ _.. _ _ _ _. ~.
_.__._.__._____._____m_
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SENilNEL Test Plan #75 Amersham Corporwtion February 28.1998 Durhngton. Massachusetts Page 40 of 02 Checklist 1: Four4oot Free Drop: liigh Temperature Test 1.oentiont Attempt Number:
Specimen Specimen Specimen Specimen qI'P A
11 C
D
- 1. Record the serial number of the test N
specimen.
- 2. lica:t the specimen to bring its temperature above 27' C.
Steps I and 2 witnessed by:
!!ngineering Regulatory Affairs Quality Assurance
- 3. Measure the ambient temperature, f(ceord ambient temperature:
Note the instrument used:
- 4. Attach the test specimen to the release mechanism.
- 5. Llegin video recording of test so that the impact is recorded.
- 6. Meesure the temperature of the foam in the specimen. Ensure that the foam is above 27" C.
Record the foam temperature:
Note the instrument used;
- 7. l.ift and orient the test specimen as shown in Figurc 5 on Figure 6 on Figure 7 on Figure 8 on the referenced figure for the iW men, page 17 page 18 page 19 page 20 i
- 8. Inspect the orientation setup and verify drop height.
- 9. photograph the setup in at least two perpendicular planes.
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..._.._-_____..m-i SENTINEL Test Plan #76 Amersbam Corporation February 28.1908 Durkngton, Massachusetts Page 41 of 62 Checklist 1: Four-foot Free Drwt liigh Temperalterc (Continued)
Test locadon:
Atiempt Number:
b I* *"
b CCI**"
b CCI**"
b CCI**"
E E
E E
Step A
11 C
D Steps 3 through 9 *vitnessed by:
Engineering Regulatory Affairs Quality Assurance
- 10. Release the test specimen.
- 11. Measure the temnerat, oPhe foam in the specimen.
Record the foam temperr.iure:
Note the instr.iment used:
- 12. Pause the video recorder Ensure that the point ofimpact and orientation specified in the plan have been achieved and recorded.
- 13. Record damage to test specimen on a l
separate sheet and attach.
l Steps 10 through 13 witnessed by:
Eny'neering l
Regulatory Affairs Quality 'ssurance
- 14. Engineering. Regulatory Affairs and Quality Assurance make a preliminary assessment relative to 10 Ci R 71, Record l
the assessment on a separate sheet and l
attach.
l' Determme w hat changes are necessary in pacLage orientation for the 30 foot free drop to achieve maximum damage.
Test Data Accepted by (Signature):
Date:
Engineering:
Regulatory AfTairs:
Quality Assurance:
~ -.. - __,.-
I 4
SENTINEL Test Plan #76 nmersham Corporation February 28,1998 Durhngton. Massachuself)
Ptge 42 of 62
+
Checklist 2: Four foot Free Drop: Low Temperature Test leention:
Attempt Number:
Step Specimen Al Specimen Cl l Record the serial number of the test specime
- 2. Immerse the test specimen in dry ice as nr ed to or mg specimen temperature below
-40' C.
Steps I and 2 witnessed by:
I:ngineering Regulatory Affairs Quality Assurance
- 3. Measure the ambient temperature.
Record ambient temperature:
Note the instrument used:
- 4. Attach the test specimen to the release mechanism.
- 5. Ilegin video recording of test so that the impact is recorded.
- 6. Measure the temperature of the specimen. linsure that the specimen is below 40' C.
Record the specimen intemal temperature:
Note the instrument used:
Record the specimen surface tempern.use.
Note the instrument used:
- 7. Lill and orient the test specimen as shown in the referenced Figure 5 on Figure 7 on figure for the specimen.
Page 17 Page 19 N. Inspect the orientation setup and verify drop height.
9 l'hotograph the setup in at least two perpendicular planes.
Steps 3 through 9 witnessed by:
lingineering Regulatory Affairs Quality Assurance
- 50. Release the test specimen.
SENilNEL Test Plui #75 Amersham Corporation February 28,1998 flurlington, Massachusetts Page 43 of 62 Checklist 2: Four foot Free Drop I,ow Temperature (Continued)
Test I,ocation:
Attempt Number:
Step Specimen Al Specimen Cl
- 11. Measure the surface temperature of the test specimen.
Record the surface temperature:
E Note the instrument used; i
- 12. Pause the video recorder,linsure that the point ofimpact and orientation specified in the plan have been achieved and recorded.
- 13. Record damage to test specimen on a separate sheet and attach.
Steps 10 through 13 witness d by:
I!ngineering Regulatory Affairs Quality Assurance
- 14. t.ngineering, Regulatory Affairs and Quality Assurance make a preliminary assessment relative to 10 Cl R 71. Record the assessment on a separate sheet and attach.
Detennine what changes are necessary in package orientation for the 30 foot free drop to achieve masimum damage.
Test Data Accepted by (Signature):
Date:
l'.ngineering:
Regulatory Affairs:
Quality Assurance:
e t;Ef4TitJCL Test Plan #75 Amorsham Corporaten February 28,1998 Bu4ngton, Massachusetts Page 44 of 02 Equipment I,ist 2: 30 foot Free Drop IInter the Model and Attach inspection Report or Description Serial Number Calibrr. tion Certificate -
Drop surface, Drnwing AT10122, Rev,11 Weight Scale lhennometer 1hermocouple flexible prole Thermocouple surface probe Record any additional tools used to facilitate the test and titach the appropriate inspection report or calibration certificate.
Verified by:
Signature Date I:ngineering Regulatory Affairs Quality Assurance l
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durtington. Massachusetts Page 45 of 02 Checklist 3: 30 foot Free Drop: liigh Temperature Test location:
Attempt Numbert Step Specimen Specimen Specimen Specimen A
11 C
D
- 1. Record the serial number of the test specimen.
- 2. Measure and record test specimen's weight.
Record the specimen's weight:
Note the instrument used:
- 3. lleat the specimen to bring its temperature above 27' C.
Steps I through 3 witnessed by:
Engineering
'legulatory Affairs Quality Assurance
- 4. Measure the ambient temperature.
Record ambient temperature:
Note the instrument used:
5 Attach the test specimen to the release mechanism.
C. Ilegin video recording of test so that the impact is recorded.
- 7. Measure the temperature of the foam in the specimen. F.nsure that the foam is above 27' C.
Record the foam temperature:
Note the instrument used:
- 8. 1.ift and orient the test speci nen as shown in Figure 9 on Figure 10 Figure 11 Figure 12 the referer.;ed figure for the specimen.
Page 23 -
on Page 24 on Page 25 on Page 26 9 Inspect the orientation setup and verify the drop height.
- 10. Photograph the setup in at least two perpendicular planes.
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 40 of 62 4
Checklist 3 30 foot Free 1) rop: liigh Temperature (Continueti)
Test leestiont Attempt Number
- i Step Specimen Specimen Specimen 3pecimen A
11 C
D Steps 4 through 10 witnessed by:
Engineering Regulatory Affairs Quality Assurance
- 11. Release the test specimen.
- 12. Measure the temperature of the foam in the specimen.
Record the foam temperature:
Note the instrument used:
- 13. Measure and record the test specimen's weight.
Record the specimen's weight:
Note the instrument used:
- 14. Pause the video recorder,linsure that the point of impact and orientation specified in the plan have been achieved and recorded.
~
- 15. Record damage to test specimen on a separate sheet and attach.
Steps 11 through 15 witnessed by:
IMgineering Regulatory Affairs Quality Assurance 1
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SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burlington. Massachusetts Page 47 of 62 Cliccklist 3: 30 foot Free Drop: liigli Temperature (Continued)
Tes. location:
Attempt Number:
Step Specimen Specimen Specimen Specimen A
11 C
D
- 16. IIngineering, Regulatory AfTalrs and Quality Assurance make a preliminary assessment relath e to 10 CFR 71. Reccid the assessment on a separate sheet and attach.
Determine what changes are necessary in package orientation for the puncture test to achieve maximum damage.
Test Data Accepted by(Signature):
Date:
Engineering:
Regulatory Affairs:
Quality Assurance:
=_
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SENTINEL Test Plan #75 Amerr. ham Corporation February 28,1998 Durtington, Massachusetts Page48 of 62 Checklist 4: 30 foot Free Drop: Low Temperaturc Test lx> cation:
Attempt Number:
Step Specimen Al Specimen Cl
- 1. Record the serial number of the test specimen.
- 2. Measure and record test specimen's weight.
Record the specimen's welght:
Note the instrument used;
- 3. Immerse the test specimen in dry ice as need:d to bring specimen temperature below 40"C.
Steps I through 3 witnessed by:
Engineering Regulatory Afraits Quality Assurance
- 4. Measure the ambient temperature.
Record ambient temperaturc:
Note the instrument used:
- 5. Attach the test specimen to the release mechanism.
- 6. Ilegin video recording of test so that the impact is recorded.
7, Measure the temperature of the specimen. Ensure that the specimen is below -40' C.
Record the specimen's internal temperature:
Note the instrument used:
Record the specimen's surface temperature.
Note the instrument used:
M. Lill and orient the test spedmen as shown in the referenced figure Figure 9 on Figure 1I on for the specimen.
page 23 Page 25
- 9. Inspect the orientation setup and verify the drop height.
- 10. Photograph the setup in at h ast two perpendicular planes.
SENilNEL Test Plan #76 Amorsham Corporation February 28,1998 Burhngton, Massachusetts Page 49 of 62 Checklist 4: 30 foot Free Drop: Low Temperature (Continued)
Test locationt Attempt Number:
Step Specimen Al Specimen Cl Steps 4 through 10 witnessed by:
Engineering Regulatory Affairs Quality Assurance
- 11. Release the test specimen.
- 12. Measure the surface temperature of the test specimen.
Record the surface temperature:
Note the instrument used:
- 13. Measure and record the test specimen's weight.
Record the specimen's weight:
Note the instrument used:
14, Pause the video recorder Ensure that the point ofimpact and orientation specified in the plan have been achieved and recorded.
- 15. Record damage to test specimen on a separate sheet and attach.
Steps 1I through 15 witnessed by:
Engineering Regulatory Affairs Quality Assurance
- 16. Engineering. Regulatory Affairs and Quality Assurance make a preliminary assessment relative to 10 CFR 71. Record the assessment on a separate sheet and attach.
Determine what chtnges are necessary in package orientation for the puncture test to achieve maximum damage.
Test Data Accepted by (Signature):
Date:
Engineering:
Regulatory Affairs:
Quality Assurance:
SENTINEL Test Plan #75 Amersham Corporatos February 23.1998 Iturtington, Massachusetto Page 60 of 62 Equipment List 3: Puncture Test Enter the Model and Attach inspection Report or Description Serial Number Calibration Certificate
- 1) rop Surface, Drawing AT10122 Rev. Il l' uncture Ilillet, Drawing C l 10119, Rev. C Weight Scale lhermometer Thermocouple flexlble probe 1hermocouple surface probe Record any additional tools used to facilitate the test and attach the appropriate inspection report or calibration certificate.
Verilled by:
Signature Date 11ngineering Regulatory Affairs Quality Assurance
4 SENTINEL Test P!an 875 Amersham Corporation February 28.1998 Burlington. Marsachusetts Page 61 of 62 Checklist 5: Puncture Test: liigh Temperature Test Location Attempt Numbert Step Specimen Specimen Specimen Specimen A
Il C
D
- 1. Record the serial number of the test specimen.
- 2. llent the specimen to bring its temperature above 27' C.
Steps I and 2 witnessed by:
Engineering Regulatory Affairs Quality Assurance
- 3. Measure the weight of the specimen.
Record the specimen's weight:
Note instniment used:
- 4. Measure the ambient temperature.
Record ambient temperature:
Note the instrument used:
- 5. Attach the test specimen to the release mechanism.
- 6. 11egin video recording of test so that the impact is recorded.
- 7. Measure the temperature of the foam in the specimen. Ensure that the foam is sbove 27'C.
Record the foam temperature:
Note the instrument used:
H. Lift and orient the test specimen as shown in Figure 13 Figure 14 Figure 15 Figure 16 the referenced figure for the specimen.
on Page 29 on Page 30 on Page 31 on Page 32 9.- Inspect the orientation setup and verify drop height.
4 SEf4TINEt.
Test Plan #75 Amersham Corporation February 28,1998 Burlington, Massachusetts Page 52 of C2 Checklist 51 Puncture Testt liigh Temperature (Continued)
Test Location:
Attempt Numbert Step Specimen Specimen I Specimen Specimen A
B C
D
=
10 photograph the setup in at least two perpendicular planes.
Steps 3 through 10 witnessed by:
Engineering Regulatory AfTalts Quality Assurance i1. Release the test specimen.
- 12. Measure the temperature of the foam in the l
specimen.
1 Record the fcam temperature:
Note the instrument used:
- 13. Measure and record the test specimen's weight.
Record the specimen's w eight:
Note the instrument used;
- 14. Pause the video recorder. Ens'are that the point of impact and orientation specified in the plan have been achieved and recorded.
- 15. Record damage to test specimen on a separate sheet and attach.
Steps 11 througi,15 witnessed by:
Engineering Regulatory Affairs Quality Assurance
4 SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Burhngton, Massachusetts Page 53 of 62 Checklist 5: Puncture Test: liigh Temperature (Continued)
Test location:
Attempt Numbert Step Specimen Specimen I Specimen Specimen A
B C
D
- 16. Engineering, RcEulatory AITairs and Quality Assurance make a preliminary assessment relative to 10 CFR 71. Record the assessment on a separate sheet and attach.
Detemiine the package orientation for the thermal test that will achieve maximum damage.
Test Data Accepted by(Signature):
Date:
Engineering:
Regulatory AfTalts:
Quality Assurance:
L J
,,, ~
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Durhngton Massachusetts Page 54 of 62 Checklist 6: Puncture Test: 1,ow Temperature Test Location:
Attempt Number:
Step Specimen A1 Specimen Cl
- 1. Record the serial number of the test specimen.
- 2. Immerse the test specimen in dry ice as need to bring the specimen's temperature below -40" C.
Steps I and 2 witnessed by:
Engineering Regulatory Affairs Quality Assurance
- 3. Measure the weight of the specimea.
Record the specimen's weight:
Note instrument used:
- 4. Measure the ambient temperature.
Record ambient temperature:
Note the instrument used:
- 5. Attach the test specimen to the release mechanism.
- 6. Degin video recording of test so that the impact is recorded.
- 7. Measure the surface temperature of the specimen. Ensure that the specimen is below 40' C.
Record the specimen surface temperature:
Note the instmment used:
- 8. 1.if) and orient the test specimen as shown in the referenced Figure 13 on Figure 15 on figure for the specimen.
Page 29 Page 31
- 9. Inspect the orientation setup and verify drop height.
- 10. Photograph the setup in at least two perpendicular planes.
Steps 3 through 10 witnessed by:
Engineering Regulatory Affairs Quality Assurance
SENTINEL Test Plan #75 Amersham Corporation February 28,1998 Duilington, Massachusetts Pago 55 of 62 Cliccklist 6: Puncture Test: Low Temperature (Continued)
Test lx> cation:
Attempt Number:
Step Specimen AI Specimen Cl
- 11. Release the test specimen.
- 12. Measure the surface temperature of the test specimen.
Record the surface temperature:
Note the instrument used:
- 13. Measure and record the test specimen's weight.
Record the specimen's weight:
No e the instrument used:
- 14. pause the sideo recorder. Ensure that the point ofimpact and orientation specified in the plan base been achieved and recorded.
- 15. Record damage to test specimen on a,sarate sheet and attach.
Steps 11 through 15 witnessed by:
Engineering Regulatory Afraits Quality Assurance
- 16. Engineering, Regulatory A(Tairs and Quality Assurance make a preliminary assessment relative to 10 CFR 71. Record the assessment on a separate sheet and attach.
Determine the package orientation for the thermal test that will achieve maximum damage.
Test Data Accepted by(Signature):
Date:
Engineering:
Regulatory AITairs:
Quality Assurance:
O
- SENTINEL, Test Plan #75 Amersham Corporation February 28,1998 Burhngton, Massachusetts Page 50 of 62 I
Equipment List 4: ThermalTest Enter the Model and Attach inspection Report or Description Serial Number Calibration Certificate Air Ilowmeter Thennocouple (internal)
Thermocouple (extemal) 1hermocouple(oven)
Temperature recorder Ret.ord any additional tools used to facilitate the test and attach the appropriate inspection report or calibration certificate.
Verified by:
Signature Date Engineering Regulatory AfTairs Quality Assurance
_=
4 SENTINEL Test Plan #76 l
Amersham Corporation February 28,1999 Durlington, Massachusetts Page 57 of 62 Checklist 7: Thermal Test: Specimens A,11, C and D Test lancation:
Attempt Numl>cr Specimen Specimen Specimen Specimen
'gE A
11 C
D j
- 1. Record the serial number of the test specimen.
- 2. Preheat the oven to a temperature above 800* C.
- 3. Attach the thennocouples the specimer's intemal and extemal measuring points.
- 4. Place the package in the oven and close the oven door.
Record the date and time that the package is placed in ov(n.
- 5. When the specimen's intemal temperature exceeds 800* C, start the air flow into the oven.
Record the time, Steps I through $ witnessed by:
IIngineering Regulatory AITairs Quality Assurance
- 6. Measure the oven temperature, the specimen's intemal and extemal temperatures and the air now rate.
Record the oven temperature:
Note instritment used:
Record the specimen's internal temperature:
Note instrument used:
Record the specin.cn's extemal temperature:
Note instrument used:
Record airdow rate:
Note instrument used:
- 7. Monitor the intemal and extemal temperatures of the specimen and the oven temperature throughout the 30-minute period to ensure that they are above 800* C.
l
SENTINEL Test Plan #76 Amersham Corporation february 28,1998 Burhngton. Massachusetts Page 68 of 02 Checklist 7: Tlicrmal Test: Specimens A,11, C and D (Continued)
Test lx> cation:
Attempt Numbers i
Specimen Specimen Specimen Specimen ggE A
11 C
D N. Monitor the airflow throughout the 30 minute period to ensure a rate of at least 9.6 f9/ min.
- 9. At the end of the 30 minute period, repeat step 6 using the same measurement devices.
Record the oven temperature:
Record the specimen's internal temperature:
Record the specimen'ri extemal temperature:
Record intake alt flow velocity:
Steps 6 through 9 witnessed by:
Engineering Regulatory AITairs Quality Assurance
- 10. Remove test specimen from the oven.
Record time the specimen is removed.
Descrbe combustion w hen door is opened to remove specimen.
NOTE: If specimen continues to burn, let it self-extinguish and cool naturally,
- 11. Measure the ambient temperature.
Record the ambient temperature:
Note the instrument used:
- 12. photograph the test specimen and any subsequent damage
- 13. Record damage to test specimen on a separate sheet and attach.
- 14. Measure and record the source location using tool IITl0142, Rev. A, and'or an alternate method.
Document and justify the alternate method used.
SENilNEL Test Plan #76 Amers, ham Corporation February 28,1998 13urlington, Massachusetts Page 59 of 02 Checklist 7: Thermal Test: Specimens A,11, C and D (Continued)
Test laication:
Attempt Number:
Specimen Specimen Specimen -
Specimen Step A
Il C
D Steps 10 through 14 witnessed by:
Engineering flegulatory AfTairs Quality Assurance
- 15. Engineering, Regulatory Afralrs and Quality Assurance make a preliminary assessment relative to 10 CI'll 71. Record the assessment s
on a separate sheet and attach.
Test Data Accepted by (Signature):
Date:
Engineering:
Regulatory Affairs:
Quality Assurance:
=
_---_________m___-.._____m._.__
SLNTINEL Test Plan #75 Amersham Corporation February 28,1998 Durhngton, Massachusetts Page 60 of 02 Checklist 8t Tliermal Test: Specimens Al unti Cl Test lx>cationt Attempt Number:
Step Specimen A1 l Specimen Cl
- 1. Record the serial number of the test specimen.
2 Preheat the oven to a temperature alme 800* C.
- 3. Attach the thennocouples the specimen's intemal and extemal mensu ing points.
- 4. Place the package in the oven and close the oven door.
Record the date and time that the package is placed in oven.
- 5. When the specimen's intemal temperature exceeds 800* C, start the air Oow into the oven. Record the time.
Steps I through $ witnessed by:
Engineering Regulatory AfTairs Quality Assurance
- 6. Measure the oven temperature, the specimen s intemal and external temperatures and the air now rate.
Record the oven temperature:
Note instrument used:
Record the specimen's intemal temperature:
Note instrument used:
Record the specimen's extemal temperature:
Note instrument used:
Record airnow rate:
Note instrument used:
7 Monitor the internal and extemal temperatures of the specimen and the oven ti mperature throughout the 30-minute period to ensure that they are above 800* C.
- 8. Monitor the airdow throughout the 30-minute period to ensure a 3
rate of at least 9.6 ft / min, 9.
At the end of the 30-minute period, repeat step 6 using the same measurement devices.
e SENTINEL Test Plan #7$
Amersham Corporation February 28,1998 Durhngton, Massachusetts Page 61 of 92 Checklist 8: Thermal Testt Specimens Al and Cl (Continuetl)
Test locationt Attempt Number:
Step Specimen Al Specimen Cl Record the oven temperature:
Record the specimen's internal temperature:
Record the specimen's extemal temperature:
Record intake air flow vehicity:
Steps 6 through 9 witnessed by:
lingineering Regulatory AfTairs Quality Assurance to. Remove test specimen from the oven.
Record time the specimen is removed.
Dewribe combustion w hen door is opened to remove specimen.
NOTI!: If specimen continues to burn, let it self extinguish and cool naturally,
- 11. Measure the ambient temperature.
Record the ambient temperature:
Note the instrument used:
- 12. Photograph the test specimen and any subsequent damage
- 13. Record damage to test specimen on a parate sheet and attach.
- 14. Measure and record the source location using tool BT!0142, Rev.
A, and'or an attemate method.
Document and justify the alternate method used.
Steps 10 through 14 witnessed by:
lingineering Regulatory AITairs Quality Assurance i
4
-_.._.-m...._
SEN14NEL Test Plan #75 Amersham Corporation February 28.1998 Burlington, Massachusetts Page 02 of 02 Checklist N: Thermal Test: Specimens Al and CI (Continued)
Test location:
Attempt Number:
Step Specimen Al Specimen Cl l[l:ngineering, Regulatory Affairs and huality Assurance make a preliminary assessment relative to 10 CFR 71 Record the assessment on a separate sheet and attach.
Test Data Accepted by (Signature):
Date:
Enginecting:
Regulatory Affairs:
Quality Assurance:
SENTINEL Test Plan #76 Amersham Corporation February 28,1990 t3urlington, Massachusetts Appendix A Appendix A: Drawings Test Specimen TP75, llev. A Test Shield Collar,1166040-6, llev. A (1 sheet) hiodel 660 Gamma llay Projector Shipping Container Descriptive Assembly C66025, Itev.17 (3 sheets) hiodel 660 Gamma Itay Projector Shipping Container Descriptive Assembly C66025, llev.11 (4 sheets) hiodel 660 Gamma llay l'rojector Shipping Container Descriptive Assembly C66030, lley. D (3 sheets) hiodel 660 Gamma llay Projector Shipping Container Descriptive Assembly C66030,llev. A (3 sheets) hiodel 660 Gamina llay Projector Shipping Container Descriptive Assembly C66030, lley. -(4 sheets)
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I SENilNEL DRAFT Test Plan #75 Amersharn Corporuten February 28,1998 Burlington, Massachusetts Appendix B Appendix B: Selected Fasteners The stainless steel screw selected for the end. plate fasteners is $1959 81 as speci0cd in Military Standard $ 1959, a copy of which is included in this appendix. The item is highlighted on page 2 of the specincation.
Th toughness versus temperature curve below shows the consistent toughness of stainless steel over a wide range of temperatures. The curve is excerpted from Deutschman, Aaron D Walter J, Michels, and Char!cs 11. Wilson, Machine Design: TheorrandI'ractice (New York: Macmillan Publishing Co., Inc.
1975), page 136.
I,nw temperature effects As the temperature is lowered, there is an increase in yield strength, clastic modulus, and hardness and a decrease in ductihty for metals such as aluminum and aluminum alloys, nickel alloys, austenitic steels, lead, and copper. Carbon and low alloy steels tend to become embrittled at much higher temperatures than the aforement oned metals.
I'.mbrittlement is measured by loss of toughness over a small temperature range (for example, see Section 3.21) w hen tested by the Charpy or trod machines. The transition temperature is taken to be that for w hich the impact energy is reduced by 50hrits ductile value, l'igure 3 43 shows some average value curves of toughness (energy in foot-pounds) vrw* tempesature for a variety of metals.
To i20 M 4h ioo Stainlogs Steel n u.. v 1AISI3041.K I
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e d SENTINEL Amersharn Corporatson Test Plan #75 Durtington, Massachusetts February 28,1998 i Appendix C l I l Appendix C: Referenced Materials ne following is an excefpt from Avallone, Eugene A., and neodore Baumeister !!!, Editors, Marks ' Sfandard Handbookfor MeclumicalEngineers, Ninth Edition (New York: McGraw-Hill Book Cofnpany,1987), page 4-27. nt, u.s app =imate sav='oa carve Laco. so, Air ror the elements C and H,.he equations of compacte com. bestion are o 25 50 7s too 125 150 173 200 223 C + O, = CO, 11,+ %O,= H,0 7* g (e t tle set it7 120 124 128 132 137 tel let 121b + 321b = 44lb 21b + 16 lb = 18 lb T** g 433 641 629 417 606 194 582 Set 553 $41 For a combustible compound, as CH., the equation ma^ be hr 250 2?5 500 lli 350 375 a00 423 42 written y 4' g iss 164 171 184 197 212 230 265 300 CH, + x 0, = y CO, + s. U,0 "g $26 509 491 470 445 417 lia 145 300 Taking, as a basis. I molecule of Cif, and making a balance ~,,p... i en.we w of the atoms on the two sides of the equation,it is seen that y=I t=1 1s = 2r + t or s=1 a.. ex,. to motthng A throuhng process in a cycle of pronons al ays introduces a imi of ethciency. If T. is the temperature conesponding to the back pressure, the loss of CH, + 20, = CO, + 2H,0 avadable energy n the product of T, and the increase of 16 lb + 64 lb = 44 lb + 36 lb entrary during the throilling process. The following example The coefhcienis in t he c rmbusnon equation give the cornbin-iuustrates the calculation in the case of ammoma passing ing volumes of the gaseous components. Thus, in *he last equa. Arough the capansion valve of a refrigerating machine. tion I ft' of CH. requires for combustion 2 ft' of oxygen and f u=nt, De ht"d ****aia at 8 "mperature or 70*F panes the resulting gaseous products of combustion are i ft'of CO, a,,,gg ine vawe imo the brine ceil in =hich the temperstm in 20 des and 2 ft'of H,0 The coefncients multiplied by the correspond. endihe pusere a at 21 pua he iminal emhalpy of the taquid ammo. in8 molecular weights give the combining weights. Thes,e are sia is a - 410 5. and,herefore the Anal enthalpy is Ap + a,Ay. conveniently referred to i Ib of the fuel in the combustion of 64 7 + 551 I s, - t 20 5..hence a, = 0101, he init.at entropy is, CH., for caample, I lb of CH. requires 64/16 = 4 lb of oxygen . o 29 ne Ant emmpy is in + (c,A,d T,) - 0144 + 0.10 x for complete combust;on and the products are 44/16 = 2J3 j j e 3). o 260 T. = 20 + 460 - 480,hence the loss or rettiseradas Ib of CO, and 36/16 = 2.25 lb of H,0. chet is 4so x to 260 - 0 254) = 2.9 Blu Air Required for combustion The composition of air is approximately 0.232 O, and 0.768 N, on a pound basis,or 0.21 O, and 039 N, by volume. For exact analyses, it may be nee. COM8USitoN essary sometimes to take account of the water vapor mixed Rarsawcas Cbs'er. " Energy. Combustion and Environment,- with the air, but ordinarily this may be neglected. ) McGre. nll, attt.Camphett,"Thesmodynansie Analysis of Coenbus. The minimum amount of air required for the combustion of ties Easines." Wiley. It F9 Glassman," Combustion," Academic Press, I lb of a fuelis the quantity of onygen required,as found from New York,1977. Lafebvre," Gas Turbine Coenbustion," McGraw-Hitt, He= York.1983 Sirchnow, " Combustion Fundameauts," McGese-the combustion equation, divided by 0.232. Likewise, the min. Hill, New York.1984. Wdliams et al.," Fundamental Aspects of Solid imum volume of air required for the combustion of I ft' of a Propettant Rockcu." Agadoresp4. I14, Oct.1969. Basic themdy, fuel gas is the volunu of oxygen divided by 0.21, For example' namic table type information needed in this area as found in Glashko et in the combustion of CH. the air required per pound of CH it st, *hermodymain.c and hermophysical Properties of Combustice 4/0.232 = 17.24 lb and ahe volume of air P'r cubi.c foot of t Predeaa." Moscem and IPST scanslation; Gordon. NASA Technical CH. is 2/0 21 = 9.52 ft'. Ordm.anly, more air is provided than Peper 1906,1982 1 AN AF hermochemical Tabica," NSRDS-NBS. is required for complete combustion. Let a denote the mini. 37,8971. mum amount required and so the quantity of air admitted, Fuede For specul properties of various fuels, see Sec. 7. tu then 1 - I is the cuene e.cfkient general, fuels may be classed under three heads:(t) gaseous Products of Combustion The products arising from the fuels,(2) hquid fuels. ar d (3) solid fuels. The combusiible elements that charactertze fuels are car. complete tombustion of a fuel are CO,, H,O, and, if sulphur bon, hydrogen, a nd. in some cases, sulphur. The complete com. is present, SO, Accompanying these are the nitrogen brought bestson of carbon gives. as a product, carbon dioxide, CO,; the in with the air and the oxygen in the excess of air. Hence the combustion of hydrogen gives water, H,0. products of complete combustion are principally CO,. H,0, N,, and 0. The ene=a of to ind.cm incancieu combustion. In 3 combuenon of cas.ous and uqusd Fuets simple calculations the reaction of nitrogen with oxygen to i combustion Equenons The approximate molecutar weightsform noxious oxides, often termed NO,, such as nitric oxide of the important elements and compounds entering tato com-(NO), nitrogen peroxide (NO,). etc., is neglected. In practice, bustion calcut.t.nas arc-ar, automobile engine is run at a lower compression ratio to .ch.c MO, formation. Th: reduced pollution is bougM n tu Maunal C H, O, N, CO CO, Hg CH. C,H. C,H.O S NO -NO, 50, Molecular weight 12 2 32 28 28 44 18 16 28 a6 12 30 46 64 J}}