ML19318B829
| ML19318B829 | |
| Person / Time | |
|---|---|
| Site: | 07106400 |
| Issue date: | 06/03/1980 |
| From: | Paddock K MINNESOTA MINING & MANUFACTURING CO. (3M CO.) |
| To: | Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| 16531, NUDOCS 8006300136 | |
| Download: ML19318B829 (5) | |
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Stati:Contr;X Sy:t:ms/3M TCAAP590 New Brighton, Minnesota 55112 612/633 942o RECavED
, 3; 9 NA 1103 June 3,1980
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C D_ Oq Charles E. MacDonald, Chief b
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Division of Fuel Cycle and
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%e Washington, D.C. 20555
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Dear Mr. MacDonald:
Enclosed is our Quality Control Specification, 85-21.69, used to inspect radioactive material shipping container D0T 6400 (Super Tiger).
This inspection procedure is the same as used by Nuclear Engineering Company.
We are planning to register as a user of this container and as a prelimin-ary step, we request approval of our Quality Control Procedure.
Very truly yours, j,!4' hh
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Kenneth M. Paddock
- Manager, Q. A. & Isotope Control KMP:pr Attached yo C'
16531 8006300gg
3 Static ControlSystems/3M TCAAP590 New Brighton, MNl55112 Ouality Control Specification 85-21.69 DOT 6400 (SUPER TIGER)
I 21 Apr 1980 1.0 INTERIOR CONDITION Method:
Visual Requi rement:
No large dents or holes in interior walls that would result in loss of integrity.
2.0 INNER GASKET CONDITION Method:
Visual Requi rement:
No loose ~ torn or weatherbeaten gaskets (weathering '
indicated by hairline cracks or brittleness).
3.0 INNER D0OR HINGES Method:
Visual Requi remen ts:
No cracks in hinge to body weld.
Hinge must be lubricated.
4.0 INNER D0OR ALIGNMENT ltthod:
Visual Requirement:
Door must swing freely in opening and closing.
All bolt holes must be in alignment when door is closed.
Door must seal properly when closed.
(No warpage).
5.0 INNER DOOR BOLT HOLES Method:
Visual Requi rement:
Bolt holes must be clean and not cross-threaded.
Note: The threaded holes and bolts are the means by which the primary seal is established. Any damage must be repaired to insure proper operation.
6.0 INNER 000R BOLTS Method:
Visual Requi rement:
Inner door bolts must be inspected for thread damage each time the door is opened.
Damaged bolts must be replaced immediately.
7.0 FREON INLET CONNECTION Method:
Remove the protective cap screw and depress the plunger.
Check inlet connection for damage.16531 w
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Static ControlSystems/3M TCAAP 590 New Brighton, MNl55112 Quality Control Specification 85-21.69 DOT 6400 (SUPER TIGER) 21 Apr 1980 7.0 FREON INLET CONNECTION (Con't.)
Requi rement:
The plunger must be operable.
There must be no physical damage to the inlet connection.
If the connection appears damaged or is unworkable re-place the connection.
After any repair or replace-ment of the connection a test must be made with the freon test kit.
8.0 OUTER GASKET CONDITION Method:
Visual Requi rement:
See 2.0 9.0 OUTER DOOR HINGES Method:
Visual Requirement:
No cracks in hinge to body weld.
Hinge must have workable Zirc fitting and must be lubricated.
10.0 OUTER 000R BOLT HOLES Method:
Visual Requi rement:
No dirt or rust in threads.
Threads must be undamaged.
Damaged threads must be repaired or replaced as necessa ry.
j 11.0 OUTER DOOR ALIGNMENT Method:
Visual Requirement:
See 4.0 12.0 OUTER 000R BOLTS Meth'od:
Visual Requi rement:
Bolts must have no cracks, damaged threads or excessive rust.
Bolts must be cleaned and lubricated each time unit is used.
Replacement bolts must meet certifi-cation requirements of 10 CRF 71.12 and DOT 6400.
13.0 EXTERIOR CONDITION Method:
Visual Requirement:
No damage which may affect unit's integrity.
v Date Prepared By Date Approved B Q
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Quality Control Specification I'
85-21.69 D0T 6400 (SUPER TIGER) 21 Apr 1980
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14.0 HOLD DOWN DEVICES Method:
Visual Requi rement:
No defective hold downs on trailer. Slots in container must not be warped or show signs of failure.. Note:
Defective hold downs or slots must be repaired immedi-ately.
15.0 NAMEPLATE Method:
Visual Requi rement:
Nameplate must be in place on container. The name-plate can hava no loose or weak fasteners.
16.0 HALOGEN LEAK TEST Equipment:
Leak Test Kit (Supplied with unit)
Method:
Close and bolt the aluminum inner door torquing the bolts hand tight using a standard length wrench.
(Never use pneumatic tools or cheater bars).
Introduce freon into the body cavity by connecting a can of Freon 12 to the check valve in the center of the aluminum door.
(Use hose supplied for this purpose).
Puncture the can with the needle valve and allow the Freon to enter the Super Tiger cavity.
Allow the Freon to reach equilibri um.
Slowly move the electronic halogen de-tector around the edge of the aluminum door.
A signal from the detector above background indicates a leak.
If a leak is indicated tighten bolts slightly.- If the leak persists the gasket must be reinspected for integ-ri ty.
Requi rement:
The closure must be completely leak tight. Shipment cannot be approved until the leak test is passed.
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Static ControISystems/3M TCAAP590 New Brighton, MN]55112 Quality Control Specification 85-21.69 DOT 6400 (SUPER TIGER) 21 Apr 1980 Pmload -
Postload Acc.
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1.0 Interior Londition 2.0 Inner Gasket Condition 3.0 Inner Door Hinges 4.0 Inner Door Alignment 5.0 Inner Door Bolt Iloles 6.0 Inner Door Bolts 7.0 Fmon Inlet Condition 8.0 Outer Gasket Condition 9.0 Outer Door Hinges 10.0 Outer Door Bolt Holes 11.0 Outer Door Alignment 12.0 Outer Door Bolts 13.0 Exterior Condition 14.0 Hold Down Devices 15.0 Nameplate 16.0 Halogen Leak Test Inspector Date Approval Date 16531
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