Shell construction works for Johannes Rau Full-Day Gymnasium new building and existing buildings EW1, EW2

Shell construction works: site setup; approx. 1,650 m³ excavation for pipe trenches, drainage, foundations; approx. 620 m³ gravel sub-base; approx. 920 m³ backfilling / infilling works; approx. 370 m drainage works; approx. 710 m² shotcrete; approx. 2,600 m³ concrete works of various strength classes, partly waterproof concrete / topping for precast slabs; approx. 7,000 m² formwork for exterior / interior walls single and double-sided; approx. 425 m² formwork for ceiling slabs; approx. 1,675 m² formwork for beams / lintels; approx. 3,280 m² precast concrete slabs; approx. 650 t reinforcing steel; approx. 830 m² masonry works of various formats / strength classes; approx. 2,800 m PVC-U electrical conduits; approx. 900 m² exterior waterproofing; approx. 2,100 m² fresh concrete membrane; approx. 770 m joint plates, partly PVC waterstop or controlled crack joint; approx. 3,100 m² XPS exterior insulation panels of various thicknesses. Concrete repair: approx. 3,650 m² dry sandblasting for walls / ceilings; approx. 3,000 m² shotcrete for concrete repair.

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