The vast difference between this section and the previous sections is that instead of a UC Mullion, this section illustrates a concrete panel, in a portal frame. The differences between a steel portal frame and a concrete panel portal frame are; the connection between the column and rafter, concrete pane portal frame uses cast in bolts. (which were pre-cast into the concrete panel) The concrete panels are pre-fabricated off site and allow a quicker build compared to insitu casting. It is important to note that this concrete panel portal frame does not have haunching. The main footing is not the slab, yet reinforced concrete pads which have locating pins cast into them.