CSA O86:19 PDF Download

CSA O86:19 is the eleventh edition of the standard It is presented in limit states design (LSD) format and supersedes previous editions published in 2014, 2009, 2001, 1994, 1989, 1984, 1980, 1976, 1970, and 1959.

The standard provides criteria for the structural design and evaluation of structures or structural elements made from wood or wood products. It covers a wide range of materials, including graded lumber, glued-laminated timber, cross-laminated timber (CLT), unsanded plywood, oriented strand board (OSB), composite building components, shearwalls and diaphragms, timber piling, pole-type construction, prefabricated wood I-joists, structural composite lumber, permanent wood foundations, plank decking, nail-laminated decking, and structural connections.

The scope of the standard excludes the design of timber bridges. It employs the limit states design method and provides terminology for clear understanding.

The latest edition of CSA O86 incorporates a number of significant changes, including editorial changes, revisions to design provisions for vibration serviceability of joisted floor systems, additions of new wood products, modifications to strength tables, revisions to clarify shear resistance and factors for sawn lumber, revisions to diaphragm configuration diagrams, revisions to requirements and references to dowels, and editorial revisions on fire resistance.