A CFA member asks for an interpretation of the cover requirements for dowels in a footing used to provide connection between the concrete footing and the foundation wall. 7.3.4.1 A vertical No. 4 ...

R403.1 General – …Concrete footing shall be designed and constructed in accordance with the provisions of Section R403 or in accordance with ACI 332. (Emphasis added).

In short, Diamond Pier footings are a pin foundation system. A Diamond Pier is a chunk of concrete with four holes in it, through which long steel pins are driven into the ground.