This is the third edition of CSA O122, Structural glued-laminated timber. It supersedes the previous editions published in 1989 and 1980.
This Standard provides minimum requirements for the manufacture of Glulam of those species specified in CAN/CSA-O86. Storage, handling, and installation of products subsequent to manufacture are not covered by this Standard.
The design criteria for Glulam manufactured in accordance with this Standard are covered in CAN/CSA-O86.
In CSA Standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; may is used to express an option or that which is permissible within the limits of the standard; and can is used to express possibility or capability. 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.
This Standard is written in SI (metric) units. For conversion into yard/pound (imperial) equivalents, see Annex A.