Civil engineering / redevelopment of existing buildings
Beethovenhalle in Bonn
Modernisation of the Beethovenhalle in line with listed building requirements
Halsenbach, W+S Monnerjahn
Construction of a new office
Wirfus
Sewage treatment plant
Neu-Isenburg
Redevelopment of rainwater pumping station, renovation of ground floor and switchgear house with emergency power generator