CSA B149.5

1 Scope 1.1 Inclusions This Code applies to a) the installation, servicing, and repair of propane fuel system components and containers on motor vehicles for the provision of motive power; and b) the installation of containers on motor vehicles such as recreational vehicles, outdoor food service units, and wash-mobiles when propane is to be used for fuel purposes (other than motive power). Note: Motor vehicles include cases where propane is used as an engine fuel in other than highway vehicles, such as ice resurfacing machines, lift trucks, lawnmowers, etc. 1.2 Exclusions This Code does not apply to a) vehicles qualified under the Motor Vehicle Safety Regulations*; b) propane used on boats; and c) the installation of appliances. * For confirmation of Motor Vehicle Safety Regulations compliance, you can contact the vehicle manufacturer. 1.3 Fuel composition Where the term “propane” is used, the requirements of this Code include, and apply equally to, any material that is composed predominantly of any of the following hydrocarbons or a mixture of them: propane, propylene, butane (normal butane or isobutane), and butylenes. 1.4 No guarantee This Code and any Standards referenced in it do not make or imply any assurance or guarantee with respect to the life expectancy, durability, or operating performance of equipment and materials referenced in the Code. 1.5 Units of measurement The values given in SI units are the units of record for the purposes of this Code. The values given in parentheses are for information and comparison only. Note: The conversion of yard/pound to SI is in accordance with Annex F. All pressures are gauge unless otherwise noted. 1.6 Terminology In this Code, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Code; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Code. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.