germany-hamburg: installation of windows./ plastic windows, stengelestraße 38./ refurbishment of the single-field sports hall as part of the site redevelopment. building stock: detached single-storey sports hall with ancillary rooms. design features: standard construction (seitzhalle), partial ment (installation cellar), solid construction: reinforced concrete , walls made of in-situ and prefabricated reinforced concrete parts as well as brickwork, gently sloping monopitch roof, lightweight reinforced concrete ceilings on reinforced concrete beams with external supports, 5% slope, roof covering bitumen roofing membranes on insulation. planned construction measures: repair and modernization of the building. renovation of the roof sealing, facade renovation, renewal / revision of the windows and doors, renewal of the changing, shower and toilet areas, installation of a barrier-free toilet, renewal of the entire building services and lighting, renewal / addition of the floor and wall coverings