Ask X3What does 49 CFR 173.457 (Transportation of fissile material packages—specific requirements) require?
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Based on 49 CFR 173.457, motor-carrier owners transporting fissile radioactive material packages must comply with the following specific requirements:
* Assign Ratings: The offeror must assign both a criticality safety index (CSI) and a transport index (TI) to packages that are not excepted under § 173.453.
* Radiation Limits: Packages and conveyances must meet the radiation level restrictions outlined in § 173.441. Exclusive use shipments must also meet the radiation level and administrative requirements of § 173.441(b).
* CSI Limits for Packages and Overpacks:
* Except for exclusive use consignments, the CSI of any single package or overpack cannot exceed 50.
* Any package with a CSI greater than 50 must be transported by exclusive use.
* CSI Totals for Non-Exclusive Use Shipments (except vessels): The total sum of CSIs in a single freight container or on a conveyance cannot exceed 50.
* CSI Totals for Exclusive Use Shipments (except vessels): The total sum of CSIs in a freight container or on a conveyance cannot exceed 100.
* Storage in Transit:
* Limit the number of packages, overpacks, and freight containers in any single storage area so that the total sum of CSIs in any group does not exceed 50.
* Maintain a minimum spacing of at least 6 meters (20 feet) between the closest surfaces of any two storage groups.
* Vessel Shipments: Shipments by vessel must follow the provisions described in §§ 176.700–176.720.