Trevision Production Building Vienna, Austria
Trevision manufacture large-scale banners for advertising and cultural events. For its new production facility near Vienna, Querkraft have used two of these banners to defi ne the building’s main elevations. Facing the autobahn to the north a backlit translucent screen has been printed with a mountain panorama. To the south a PVC net printed with the word ‘unvorbeischaubar’ (‘unoverlookable’) prevents overlooking from the surrounding landscape while from inside the text is only visible obliquely so does not impede the view out. The banners are held in tension by aluminium frames fixed back to a steel structure.
Entry to the building is via a cantilevered walkway on the south side that also provides solar shading to the offices and a canopy to the loading area. Tapered steel T-section beams carry a galvanised steel grating deck and a thin steel balustrade.
Foundations are 1 m deep ground beams on recycled concrete hardcore. The mezzanine offi ce area has a concrete floor and structure to provide one and a half hours’ fi re protection. The rest of the structure is steel on a 6.2 m grid. The structural grid was determined by the spans of standard cladding panels to eliminate the need for secondary steelwork. The cladding panels are butt jointed without cover strips and glazing units are set in 20 mm deep aluminium channels and silicone jointed to the panels.
The roof is a profiled galvanised steel deck exposed on the underside. Cut-to-falls insulation takes rainwater to syphonic outlets in the single-ply membrane waterproof layer. The building is naturally ventilated with opening aluminium windows and rooflights.
1. Façade lights
Floodlights fixed to tapering 250 x 120 steel T-section fixed to tapering 250 x 120 steel fixed back to perimeter stub beams.
2. Roof
Single-ply UPVC waterproof membrane. 100–200 mm rigid thermal insulation cut to falls. Vapour barrier.150 mm deep profi led galvanised steel roof deck.Rainwater pipe connected to syphonic outlets varies from 50 to 110 mm diameter.
3. Roof perimeter
Single-ply UPVC waterproof membrane.18 mm chipboard deck.160 x 80 mm RHS (rectangular hollow section) steel eaves tie beam.150 mm deep profi led galvanised steel roof deck.300 x 390 mm deep tapering T-section steel stub beams.
4. Printed screen
PVC net held in tension between extruded aluminium frames top and bottom.Net printed with text externally.
5. External walkway
Tapering 200 x 260 mm deep steel stub beams bolted back to concrete frame.260 x 90 mm PFC steel edge beam.100 x 100 mm steel I-section joists at 1035 mm centres.40 mm deep galvanised steel grating.
6. Balustrade
Mild steel angle handrail. Mild steel fl at uprights. Steel cable balustrades.
7. Glazing
2960 x 1300 mm sealed double-glazed units.Proprietary aluminium frame at bottom.20 mm deep aluminium channel at head. Silicone joints at glass-to-glass joints and to steel.Aluminium framed doors.
8. Steel frame
340 x 330 mm steel I-section columns bolted to first floor slab.300 x 390 mm deep steel I-section beams at 6200 mm centres.300 x 150 mm deep T-section tie beam formed by cutting I-section in half.89 x10 mm CHS cross-bracing in two bays.
9. First floor
Carpet fi nish.600 x 600 mm proprietary raised floor on adjustable pedestals.160 mm services void.200 mm deep reinforced concrete floor slab.
10. External wall
1100 mm wide x 120 mm thick aluminium- faced insulated cladding panels.One double-glazed aluminium framed opening window per bay.
11. Concrete frame
400 x 500 mm deep reinforced concrete columns and beams at 6200 mm centres.
12. Ground floor
4 mm PVC flooring.150 mm floating reinforced concrete slab. Recycled concrete hardcore.
13. Foundations
1000 mm deep ground beams.80 mm thick rigid perimeter insulation.
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