Germany – Primary school construction work – 2026-031 H83 GS DAH Ost-302-Umbau- und Rohbauarbeiten

Approximately 150 m² demolition and disposal of concrete paving - approximately 500 m³ excavation with removal of topsoil backfill - approximately 650 m³ excavation with removal of gravel/sand mix backfill - approximately 185 m laying of sewers and drainage pipes - approximately 450 m³ installation of gravel bags - approximately 450 m² fine grading - approximately 80 units demolition and disposal of internal doors with steel casings - approximately 30 units demolition and disposal of timber-aluminium windows - approximately 150 m² demolition and disposal of glass-metal internal door elements - approximately 1,700 m² dismantling and disposal of suspended ceiling structures - approximately 3,000 m² dismantling and disposal of floor coverings, partially including screed construction - approximately 1,400 m² partial dismantling and disposal of internal and external masonry and lightweight walls - approximately 450 m² removal and disposal of PCB-containing wall plaster - approximately 25 m³ demolition and disposal of in-situ concrete of 4 units of reinforced concrete stairs - approximately 20 m² supplementing foundation components including partial dismantling of base plate and hand excavation in the building - approximately 50 m² supplementing reinforced concrete slab with beam construction to close ceiling openings - approximately 20 m underpinning with supports and beams made of section steel including auxiliary supporting measures - approximately 40 units installation of concrete lintels to create new door and window openings - approximately 300 m² supplementing masonry internal and external walls - approximately 85 m³ in-situ concrete reinforced concrete base plate - approximately 450 m² formwork for reinforced concrete walls and approximately 50 m³ in-situ concrete reinforced concrete walls - approximately 300 m² ceiling formwork - approximately 75 m³ in-situ concrete solid slab - approximately 40 t reinforcing steel - approximately 75 m² double-wall elements - approximately 600 m² internal and fairing plastering works - approximately 200 m cable protection pipes - approximately 350 m earthing conductor - approximately 200 m empty conduit installation in in-situ concrete walls with approximately 85 units of device boxes