The project "New Town Hall Langenhagen" includes the expansion and renovation of the existing town hall in Langenhagen. The existing building will be retained with regard to its load-bearing structure and façade and the interior will be adapted to the new spatial requirements. The area of the existing council chamber with its foyer, meeting rooms and underground car park will be demolished. The new 5-storey extension is being built on the section adjacent to the existing building on Konrad-Adenauer-Straße and connects to the existing building over two floors in the area of the council chamber foyer to be demolished. The new underground car park will be connected to the existing cellar via two entrances (north and south). The maximum planned building height of the new building is 18.55 m. Thus, the construction project is a special construction in building class 5. 153 parking spaces will be built for the construction project. 28 of these parking spaces are located in the parking lot of the eastern forecourt, 125 parking spaces are located in the underground car park. The construction project will be implemented in two construction phases: In the first construction phase, the new part will be erected. After completion and occupation of the extension, the existing building will then be renovated.

LOT-0001
Electrical installation work / New Town Hall Langenhagen.
Low-voltage main distribution board 1 S Building area distribution 1 pc Sub-distribution boards 24 pcs Emergency lighting system consisting of ZBA 1 pc substations 5 pcs Laying system (cable trays) - approx. 2050 m Floor level installation units approx. 420 pcs Luminaires approx. 1450 pcs Escape sign and safety luminaires approx. 450 pcs installation bus KNX actuators approx. 440 pcs Call system for disabled toilets 6 pcs burglar alarm system 1 pc BOS system 1 pc Passive data network with data cabinets 42U 15 pcs Charging Infrastructure - E-Mobility Wallboxes 18 pcs Cable and wiring network for the above-mentioned systems