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

9.15.3.2 — Support of Footings

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(1) Footings shall rest on undisturbed soil, rock or compacted granular fill.

(2) Granular fill shall not contain pyritic material in a concentration that would adversely affect its stability or the performance of assemblies separating dissimilar environments.

OBC Definitions

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fill

means soil, rock, rubble, industrial waste such as slag, organic material or a combination of these that is transported and placed on the natural surface of a soil or rock or organic terrain; it may or may not be compacted.

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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