Metal Beam Sizing for Residential Project

I neede to verify and have connectors specified for 4 metal beams that will hold a metal stair, 2 interior metal posts and their top and bottom plates, 2 metal beams for a deck and their connecting plates, specify connectors for a 3.5ft roof overhang, verify garage roof structure holding green roof, specify the manner to do a large step in the footer (about 5ft). All for a residence.
I need this stamped for Tennessee.