Thanks for the replies, everyone - much appreciated.
This is (probably in the context of most of the members here) a small building, with all parts pre-cut / drilled and delivered to site for assembly by bolting together. The main structure is hot-rolled galvanised, about 3mm. Here's the whole...
I'm having a forestry building put up, and the contractors have done this to compensate for slight variations in slab height. The building is steel-frame, 14m x 13m, 4m high. You're looking at the foot of a cold-rolled steel pillar - one of 10 structural pillars forming the main frame of the...
