They are by necessity, all-bolted and are fabricated separately from the connecting beams and columns. They are site-bolted to the webs on the incoming beams by means of cleats which are usually welded to the Gusset-Plate. The cleats may be fitted to either the top, bottom. Or both faces of the plate, bearing in mind, that the cleat on the bottom face of the plate can sometimes be difficult to access. For more details download the CAD file from our cadbull website. This can be used by architects and engineers. Download this 2d AutoCAD drawing file.