Dear sir. My name is Thanh P
My skills are matched well with your project(Door opening and cellar conversion structural calculations ).
My main skills are revit, Autocad, sketchup, Chief Architect, archicad, Solidworks, Catia, Creo, Inventor, Ansys .
I have good skills in 2d permit drawing, 3d modeling and shop drawing, 3d rendering
I can achieve the results that you are asking for.
I want to discuss more with you
Thank you