approx. 2,700 m³ earthworks, approx. 1,200 m³ demolition work on paved surfaces, foundations, fixtures approx. 1,690 m² production of paved surfaces from natural stone paving in a bonded construction in a pass association approx. 350 m² production of paved surfaces from asphalt with an epoxy resin-bonded gravel surface seal approx. 840 m² production of paved areas on substructures (underground car park) including sealing work approx. 45 m² walls as in-situ concrete walls with cer cladding 28,400 kg steel construction as cantilevered staircases (large stairs) 400 m² staircases electrical and drainage work construction of a water play area as a cascade including water technology with connection to the existing pump chamber l construction work such as handrails, fall protection and edging of planting islands. installation of various equipment elements approx. 400 m² production of planting areas: trees, shrubs, green planting approx. 1,300 m² sowing areas including 1 year of completion maintenance and 2 years of development maintenance