Div. B › Part 4 › 4.1 › 4.1.4 — Dead Loads

4.1.4.1 — Dead Loads

Copied!
(1) The specified dead load for a structural member consists of,
(a) the weight of the member itself,
(b) the weight of all materials of construction incorporated into the building to be supported permanently by the member,
(c) the weight of partitions,
(d) the weight of permanent equipment, and
(e) the vertical load due to earth, plants and trees.
(2) Except as provided in Sentence (5), in areas of a building where partitions other than permanent partitions are shown on the drawings, or where partitions might be added in the future, allowance shall be made for the weight of such partitions.
(3) The partition weight allowance in Sentence (2) shall be determined from the actual or anticipated weight of the partitions placed in any probable position, but shall be not less than 1 kPa over the area of floor being considered.
(4) Partition loads used in design shall be shown on the drawings.
(5) In cases where the dead load of the partition is counteractive, the load allowances referred to in Sentences (2) and (3) shall not be included in the design calculations.
(6) Except for structures where the dead load of soil is part of the load-resisting system, where the dead load due to soil, superimposed earth, plants and trees is counteractive, it shall not be included in the design calculations.
Disclaimer. This site provides general access to Ontario Building Code information for reference only. It is not an official source and may omit or summarize content. Always verify requirements with the current OBC and your Authority Having Jurisdiction (AHJ). The Ontario Building Code is Crown copyright © King’s Printer for Ontario. Terms of Use.