Div. B › Part 9 › 9.15 › 9.15.3 — Footings

9.15.3.1 — Footings Required

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(1) Footings shall be provided under walls, pilasters, columns, piers, fireplaces and chimneys that bear on soil or rock, except that footings are permitted to be omitted under piers or monolithic concrete walls if the safe loadbearing capacity of the soil or rock is not exceeded.

OBC Definitions

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chimney

means a shaft that is primarily vertical and that encloses at least one flue for conducting flue gases to the outdoors.

loadbearing

means , when applied to a building element, subjected to or designed to carry loads in addition to its own dead load, but does not include a wall element subject only to wind or earthquake loads in addition to its own dead load.

rock

means a portion of the earth’s crust that is consolidated, coherent and relatively hard and that is a naturally formed, solidly bonded, mass of mineral matter that cannot readily be broken by hand.

soil

means , except for the purposes of Part 8 of Division B, a portion of the earth’s crust that is fragmentary or such that individual particles of a dried sample may be readily separated by agitation in water, and includes boulders, cobbles, gravel, sand, silt, clay and organic matter.

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