Type B Packaging 1


Type B Packaging 1 :

A regulatory category of packaging for transportation of radioactive material. The US Department of Transportation and Nuclear Regulatory Commission require Type B packaging for shipping highly radioactive material. Type B packages must be designed and demonstrated to retain their containment and shielding integrity under severe accident conditions, as DOE-HDBK-1188-2006 A-34 well as under the normal conditions of transport. The current NRC testing criteria for Type B package designs (10 CFR Part 71) are intended to simulate severe accident conditions, including impact, puncture, fire, and immersion in water. The most widely recognized Type B packages are the massive casks used for transporting spent nuclear fuel. Large-capacity cranes and mechanical lifting equipment are usually needed to handle Type B packages. See: Type A packaging. Note: The Nuclear Regulatory Commission calls this “Type B packaging” and defines a “Type B package” as “a Type B packaging together with its radioactive contents.” Draft DOE M 435.1 defines “packaging” similarly to the NRC, as “A receptacle and any other components or materials necessary for the receptacle to perform its required containment function,” and defines “package” as “Any packaging plus its contents”

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