Additional provisions applicable to the carriage of Class 6.1 substances in portable tanks
Additional provisions applicable to the carriage of Class 6.2 substances in portable tanks
Additional provisions applicable to the carriage of Class 7 substances in portable tanks
Portable tanks used for the carriage of radioactive material shall not be used for the carriage of other goods.
The degree of filling for portable tanks shall not exceed 90% or, alternatively, any other value approved by the competent authority.
Additional provisions applicable to the carriage of Class 8 substances in portable tanks
Pressure-relief devices of portable tanks used for the carriage of Class 8 substances shall be inspected at intervals not exceeding one year.
Additional provisions applicable to the carriage of Class 9 substances in portable tanks
Additional provisions applicable to the carriage of solid substances carried above their melting point
Solid substances carried or offered for carriage above their melting point which are not assigned a portable tank instruction in column (10) of the Table A of Chapter 3.2 or when the assigned portable tank instruction does not apply to carriage at temperatures above their melting point may be carried in portable tanks provided that the solid substances are classified in Classes 4.1, 4.2, 4.3, 5.1, 6.1, 8 or 9 and have no subsidiary hazard other than that of Class 6.1 or Class 8 and are in packing group II or III.
Unless otherwise indicated in the Table A of Chapter 3.2, portable tanks used for the carriage of these solid substances above their melting point shall conform to the provisions of portable tank instruction T4 for solid substances of packing group III or T7 for solid substances of packing group II. A portable tank which affords an equivalent or greater level of safety may be selected according to 4.2.5.2.5. The maximum degree of filling (in %) shall be determined according to 4.2.1.9.5 (TP3).
General provisions for the use of portable tanks for the carriage of non-refrigerated liquefied gases and chemicals under pressure
This section provides general provisions applicable to the use of portable tanks for the carriage of nonrefrigerated liquefied gases and chemicals under pressure.
Portable tanks shall conform to the design, construction, inspection and testing requirements detailed in 6.7.3. Non-refrigerated liquefied gases and chemicals under pressure shall be carried in portable tanks conforming to portable tank instruction T50 as described in 4.2.5.2.6 and any portable tank special provisions assigned to specific non-refrigerated liquefied gases in Column (11) of Table A of Chapter 3.2 and described in 4.2.5.3.
During carriage, portable tanks shall be adequately protected against damage to the shell and service equipment resulting from lateral and longitudinal impact and overturning. If the shell and service equipment are so constructed as to withstand impact or overturning it need not be protected in this way. Examples of such protection are given in 6.7.3.13.5.