PrefaceThis is the tenth edition of CSA B149.2, Propane storage and handling code. It supersedes the previous editions, published in 2005 and 2000 by the Canadian Standards Association (CSA) as CAN/CSA-B149.2, in 1995, 1991, 1986, 1980, 1978, and 1976 by the Canadian Gas Association (CGA), and in 1969 by the Canadian Standards Association.
This Code applies to
(a) the storage, handling, and transfer of propane;
(b) the installation of appliances, equipment, components, accessories, and containers on highway vehicles, recreational vehicles, mobile housing, outdoor food service units, and wash-mobiles when propane is to be used for fuel purposes;
(c) propane used as an engine fuel in other than highway vehicles; and
(d) the installation of containers and equipment to be used for propane in distribution locations and filling plants.
This Code does not apply to
(a) marine or pipeline terminals;
(b) gas where used as a feedstock in petroleum refineries or chemical plants;
(c) utility pipeline distribution and transmission pipelines;
(d) refrigerated storage or underground reservoirs for propane;
(e) propane used on boats;
(f) propane used as a propellant in aerosol containers;
(g) butane fuel cylinders of 5.3 oz (150 g) capacity or less; and
(h) the installation of appliances, equipment, components, accessories, and containers other than those on highway vehicles, recreational vehicles, mobile housing, outdoor food service units, and wash-mobiles when propane is to be used for fuel purposes.
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 mixtures of them: propane, propylene, butanes (normal butane or isobutane), and butylenes.
The values given in yard/pound units are the standard. This Code contains SI (metric) equivalents to yard/pound units so that the Code can be used in SI (metric) units. SI (metric) equivalents may be approximate.
In this Code, unless approved otherwise by the authority having jurisdiction, "shall" indicates a mandatory requirement; "should" indicates a recommendation or that which is advised but not mandatory; and "may" indicates an advisory or optional statement. Notes to the text do not include mandatory or alternative requirements. The purpose of a note is to separate from the text explanatory or informative material that is not properly a part of this Code. Notes to figures and tables, however, are considered part of the figure or table and may be written as mandatory requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
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.