Beam B-1 G-Z 12 (B-1) 12 (B-2) Concrete slab on steel decking Open B-3) 12" 8 12 (B-4) (a) Isometric view of partial steel framing arrangement Girder G-1 Beam B-2 Beam B-3 Girder G-2 12' 12' 12' open (b) Partial floor framing - office structure 8' Beam B-4 12' G-1 Building Design Criteria Dead Loads Concrete 150 pcf Steel decking 5 psf Mechanical equipment 10 psf Suspended ceiling Steel beams 5 psf wwwww 25 plf Steel girders 35 plf Live Loads Office 50 psf wwwww