CH-TRAMPAC - Waste Isolation Pilot Plant - U.S. Department of ...

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CH-TRAMPAC Document Rev. 2, May 2005CH-TRAMPAC Transportation ParametersCompliance information for the CH-TRAMPAC transportation parameters shall be obtainedfrom the data package for the payload container.• Criteria: The following criteria shall be met:− Free liquids are 500 ppm, the container must be evaluated as testcategory. (Section 6.2.1.2)]− Radiation dose rate at the surface of the payload container is ≤ the payload containerlimit provided in Table 3.2-1. (Section 3.2) If the payload container will beoverpacked, the limit applies only to the outermost payload container.• Filter(s) Identification (Section 2.5): Identification shall be listed for the type andnumber of filters used in a payload container for compliance with the required totalminimum hydrogen diffusivity requirement (see Table 2.5-1). If Table 6.2-1 is beingcompleted for a fixed configuration, filter information shall be listed for both payloadcontainers. If inner filtered confinement layers (filtered metal cans, filtered inner lid,etc.) or equivalent venting mechanisms are used, documented compliance with thespecifications in Section 2.5 shall be verified.Measured Parameters• Weight (Section 2.3): The maximum allowable weight for the appropriate payloadcontainer type shall be recorded. If the payload container will be overpacked, the limitfor the maximum allowable weight applies only to the outermost payload container of theoverpacked configuration.The measured weight of the payload container may be obtained from its data package.The measured payload container weight plus the measurement error (one standarddeviation) shall be compared to the maximum allowable weight limit for the appropriatepayload container type. If Table 6.2-1 is being completed for a payload container thatwill be overpacked and the weight of the entire overpack configuration will bedetermined, the recorded weight of the individual payload container to be overpacked is6.2-6
CH-TRAMPAC Document Rev. 2, May 2005not required. Alternatively, the weights of the individual payload containers and theweight of the empty overpack container may be summed to determine the total measuredweight of the overpacked configuration in the completion of Table 6.2-3. The measuredweight of the individual payload container may be recorded in Table 6.2-1 for later use incompleting Table 6.2-3 for the overpacked configuration.• Decay Heat (Section 5.2.3): The maximum allowable decay heat limit per payloadcontainer for the applicable payload shipping category shall be recorded from thedetermination made pursuant to Section 5.2.3.The measured decay heat plus the measurement error (one standard deviation) of thepayload container may be obtained from its data package. Measured decay heats aredetermined from the isotopic composition and quantity of radionuclides, as described inSection 3.1. The measured decay heat plus the measurement error shall be compared tothe maximum allowable decay heat limit per payload container for the appropriateshipping category if the anticipated payload consists of payload containers belonging tothe same shipping category. For these configurations, compliance with flammable gasgeneration limits is determined by compliance with decay heat limits.For payload assemblies where credit is taken for dunnage or different shippingcategories, the FI, based on the assembled payload, determines compliance withflammable gas generation limits, as described in Section 6.2.4. For these configurations,indicate under “Limit” that a decay heat limit for the payload container is not applicable.• Fissile Mass (FGE) (Section 3.1): The maximum allowable fissile mass limit for theappropriate payload container type shall be recorded. If the payload container will beoverpacked, the limit for maximum allowable fissile mass applies only to the outermostpayload container of the overpacked configuration.The measured fissile mass of the payload container may be obtained from its datapackage. The measured payload container fissile mass value plus two times themeasurement error (two standard deviations) shall be compared to the maximumallowable fissile mass limit for the appropriate payload container type. If Table 6.2-1 isbeing completed for a payload container that will be overpacked, the measured fissilemass of the individual payload container may be recorded in Table 6.2-1 for later use incompleting Table 6.2-3 for the overpack configuration.• Curie Limits (Ci) (Section 3.3): Payload container curie limits apply to S200 pipeoverpack configurations only and are specified in Section 3.3. The TransportationCertification Official shall verify that, for all applicable radionuclides, the measuredvalue plus error (one standard deviation) meets the appropriate curie limit. Complianceshall be documented in Table 6.2-1.Unvented Waste Parameters (Unvented Waste Only) (Section 5.3)• Aspiration Method: Option 1, 2A, 2B, or 3 shall be indicated.• Required Aspiration Period: The required aspiration time for the selected option shall benoted from Table 5.3-1 through Table 5.3-12 of Section 5.3 or determined in accordancewith Appendix 3.7 of the CH-TRU Payload Appendices. 1 If the hydrogen concentrationindicates that aspiration is not needed, a zero shall be entered.6.2-7
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