9.15.3.2. Support of Footings

(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.

(See also Article 9.4.4.4. and Note A-9.4.4.4.(1))