I draw all sections and details in CAD(2D)and import them into Revit, and the structural drawings are produced in Revit. I model as little as possible in Revit, consistent with what we are contractually required to provide. We primarily consult for architects and they are our clients, who up to...
Toad, your second paragraph/sentence is the most important. Regardless of how you decide to handle the beam unbraced length, the stability of the beam at the column support is critical. If the beam is not adequately braced against roll over lateral buckling at the columns, then any value you...
Determine if mechanical engineer is planning on setting the equipment on a new concrete housekeeping pad (installed on top of the existing slab, typically 4" to 6" thick, to elevate for drainage, etc.) which would greatly increase new total loading.
