ML20028H830
| ML20028H830 | |
| Person / Time | |
|---|---|
| Site: | 07105908 |
| Issue date: | 01/16/1991 |
| From: | BABCOCK & WILCOX CO. |
| To: | |
| Shared Package | |
| ML20028H813 | List: |
| References | |
| E41-146, NUDOCS 9101300218 | |
| Download: ML20028H830 (2) | |
Text
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t' J, B NMC Acceptance Test and E41-146 1/16/91 Maintenance Program for Rev. O UN/5908/B() F Containers Scope:
This procedure identifies routine inspection and maintenance requirements and acceptance criteria to be applied.
1.0 Acceptance Tests 1.1 Visual Inspection 1.1.1 Prior to the initial use of each DOT-6M container a visual inspection shall be made to assure the following requirements are met:
1.1.1.1 No holes in the outer drum, nor dents greater than one-half inch deep.
1.1.1.2 Lid lip and top drum curl are not damaged to the extent that the closure ring will not fit the outer drum, 1.1.1.3 Outer drum has between one and four vent holes r. ear the top (1/4 inch dia.).
4 1.1.1.4 Filler insulation (Celotex, etc.) is loaded to the top of the outer drum.
1.2 Components 1.2.1 Drums shall be certified by the supplier as DOT-6M or equivalent.
1.2.2 Fiberboard shall be checked to assure a minimum density of 14 pounds per cubic foot.
1.2.3 The inner container shall be measured to assure dimensions are in accordance with the liscense drawing, and welds shall be inspected as required by the liscense drawing.
1.2.4 Tape (or equivalent ) applied to the threads on the 2R screw-cap top shall be certified by the supplier to withstand temperatures at 300 degrees Farenheit.
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2.0 Maintenance Program 2.1 - The DOT-6M,:-: Type B _-shipping --container is not La: pressure vessel, employsino - shielding materials,- and does not4
. require'a cooling system _-or'other thermal; mechanism-efor:
dissipation of heat.'
Materials of construction ar'e -
commonplace, durable, :andt - readily. available'.
- The-container-has no systems orcsubsystems such as' valves, rupture' disks,.or other moving components.
The: maintenance. program for the DOT-6M, Type B consists _
ofJrepair, refurbishment, or replacement as necessary.'
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Containers.are: visually inspected prior to each,use, and deficiencies are -noted and recorded at - that. - time.
- Packages with unacceptable _.conditio'ns. are temporarily stored-until such time -that: the container can 'be redressed to conform to-' DOT specifications.-
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