Ohio Frost Line Depth
Webfootings below the frost line shall not be required for the following. Webfrost lines vary by latitude and are deeper closer to the poles. Webthe standard frost depth for obc governed construction shall be 32 inches (813 mm). Webthe standard frost depth for obc governed construction shall be 32 inches (813 mm). According to the federal highway administration, the maximum frost depth ranges between zero to eight feet in.
Footings shall be placed a minimum of 12 below the undisturbed ground surface per rco 403. 1. 4. Exterior footings shall be placed not less than 12 inches (305 mm) below the undisturbed ground surface.
