It is the first example I have visited so far that uses a steel portal frame that occurs only in the roof and is bolted directly onto load bearing pcp walls, instead of the walls just being a non-loadbearing envelope system.
Overview of the site:
The structure is very clear to understand from this view. You can see the roof beams that end at the walls. The purlins and roof bracing have been installed. PCP walls have been used as a entrance feature. AT that point, the roof beam is broken up.
View of the floor structure. Possibly existing brick base with 200 thick concrete slab on top. Steel colunns run along the wall to support the first floor. It finishes neatly at the base where any column to floor connections have been covered over.
A closer view of the roofing with purlin and bracing clear. A lighter profile is achievable in the roof beams because they are broken up and joined end to end rather than being one long continuous span. Saves vertical space and material costs.
Interior, ground level. The suspended floor is composite construction, obvious by the use of perament steel tray formwork. This photo also demonstrates propping involved in this application, which is much less instrusive than the propping involved in an in-situ concrete pour.
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