Sanierung Grundleitungen 2.BA

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Title 1 – Shell Construction Main Pipeline Rehabilitation: - Surface-near separation cut in reinforced concrete floor slabs, approx. 175.0 m - Saw cut in horizontal reinforced concrete components (up to 25 cm), approx. 45.0 m² - Partial demolition and disposal of reinforced concrete floor slabs (10–25 cm), approx. 26.5 m³ - Chiseling of openings in the floor slab, approx. 17 pcs (plus large openings approx. 2.5 m²) - Vertical core drilling (up to DN 300), approx. 12.5 m - In-situ concrete clean layer C16/20, 5 cm, approx. 101.0 m² - XPS perimeter insulation 100 mm under floor slab, approx. 101.0 m² - Subsequent adhesive bonding of connection reinforcement (drilling + bonding), approx. 700 pcs - Reinforcing steel (bar steel / bearing mats), approx. 2.8 t - In-situ concrete reinforced concrete floor slab C20/25 (WU/WF), approx. 24.0 m³ - Float finishing of the floor slab surface, approx. 101.0 m² - Disposal of concrete and demolition waste (various recycling classes), approx. 32.6 t Title 2 - (HVAC / Main Pipelines, IB Ulherr): - Trench excavation and backfilling, approx. 88.0 m³ - Pipe bedding / installation and covering with filling material, approx. 190.0 m - Main pipelines…

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