1. 200x100x10 RHS spanning between supports in front of glazing frame and around door opening
2. 100x100x10 SHS
3. 100x50x10 PFC’s at 500mm c/c
4. 150x100x10 RHS column positioned between existing mullion and glazing frame
5. New columns pinned at top and base
6. Three 60.3×6.3 CHS with pinned connections to existing 254x146x37 beams above.