While there is not an automatic bell footing tool, creating one manually is a straight-forward task using items from the Geometric Shapes library category.
A basement room can have a lowered floor height just like a room on any other floor by using the Room Specification dialog.
One application for pony walls is a stepped foundation. The lower part of the pony wall is the ¬concrete wall with ¬footing, and the upper part is a framed wall.
A structure on pilings, does not fall into the category of conventional framing, so when drawing such a plan, we need to use Chief’s framing tools creatively.