CAN/CGSB-43.147-2023

1 Scope 1.1 Organization and content This standard applies to the design, manufacture, maintenance, qualification, inspection and marking of tank cars and the selection and use of large means of containment or transport units used in the handling, offering for transport or transporting of dangerous goods by rail of classes 2, 3, 4, 5, 8, 9 and division 6.1. This standard does not apply to large means of containment that are used exclusively for non-dangerous goods. This standard consists of eight main sets of requirements and five annexes. Sections 1 through 3 specify the general scope, normative references and terms and definitions. Section 4 sets out general requirements and defines the applicability of the standard and the precedence of each section. Section 5 sets out the quality management system requirements and its applicability. Section 6 outlines the registration requirements applicable to facilities performing manufacture, inspection, maintenance or qualification of tank cars. Sections 7 and 8 set out tank car marking requirements and tank car manufacturer and modification requirements. Section 9 sets out the requirements for the periodic qualification and maintenance of tank cars. Section 10 covers the selection and use requirements for containers. Section 11 provides some allowances for one time low risk movement of non-conforming containers. Annexes A and B (normative) specify procedures and set out acceptance criteria for the side and head impact test for TC 117P tank cars. Annex C (normative) specifies a procedure to test tank car head puncture resistance systems. Annex D (normative) specifies test procedures and sets out acceptance criteria for simulated pool-fire and torch-fire. Annex E (normative) sets out, in schedule 1, the requirements applicable to special provisions 1 to 81, and in schedule 2, lists dangerous goods and specifies the special provisions that are applicable to each of the listed dangerous goods. 1.2 Minimum requirements This standard sets out certain minimum requirements regarding the design, manufacture, qualification, selection and use, or testing of containers. It is essential to exercise competent technical, engineering and safety judgment in conjunction with this standard. 1.3 Additional requirements 1.3.1 Conflict The Transportation of Dangerous Goods Act, 1992 (TDG Act) and the Transportation of Dangerous Goods Regulations (TDG Regulations) may set out additional requirements regarding the design, construction, qualification, selection, and use, or testing of containers. Where there is an inconsistency between the requirements of this standard and those of the TDG Act or TDG Regulations, the TDG Act or TDG Regulations prevail to the extent of the inconsistency. It is recommended to read the standard in conjunction with the TDG Regulations. 1.3.2 Safety The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This standard does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use. 1.3.3 Units of measurement Quantities and dimensions used in this standard are provided in units from the International System of Units (SI units). Imperial equivalents may be shown in brackets, as applicable.