2477 Käthe-Kollwitz-Schule Wetzlar, Neubau, Rohbauarbeiten

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Earthworks Excavation of building pit 5,750 Produce a work layer from RC materials provided on site 1,200 Extra excavation for foundations 750 Excavation for deep foundations 1,140 Trench and manhole excavation for drainage 3,000 11,840 m3 Frost protection, filter layer and insulation below ground slab Add work layer made of RC material and re-profile 3,000 m2 Lay geotextile 3,000 m2 Construct area filter made of crushed stone material d= 50 cm 3,000 m2 Load-transferring XPS thermal insulation under Bp,300 kPa,d=80mm 2,500 m2 Drainage + Drains Sewage water pipes DN 110 to DN 250 610 Rainwater pipes DN 110 to DN 400 925 Foul-water pipes DN 110 490 2,025 m Grease interceptor NS 13 with sampling manhole 1 piece Manholes 30 pieces Drainage pipe DN 100 incl. inspection manholes 550 m Reinforced concrete foundations Strip footings 355 Isolated footings 330 685 m3 Reinforced concrete ground slabs Main ground slab d= 20.0 cm 3,030 m2 Foundation slab under TH 1 d= 78/8/100 cm 150 m2 3,180 m2 Reinforced concrete flat slabs Above level 0, d= 34 cm 3,150 Above level 1, d= 28 cm 2,850 Above level 2, d= 28 cm 2,550 Above level 3, d= 28 cm 2,550 Above level 4, d= 20 cm 30 11,130…

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