The school center Mühlenredder in Reinbek, built in the 1970s, is to be renovated, rebuilt and extended. The 3- or 1-storey building complex, built as a Kassel model, will be dismantled from precast columns, trusses and ceiling panels except for the original reinforced concrete skeleton structure. The demolition work is carried out earlier in the forefront of the renovation. The subsequent conversion and extension work will be carried out in a coherent construction process without ongoing operation. The existing parts of the building will receive a completely new outer shell as well as a completely new interior. Furthermore, the entire grounds are renewed while preserving the tree population.

Execution of glazed interior door systems with wooden frame frames partly with fire protection requirements. Execution in the new building and inventory, ground floor to 2nd floor

- Approx. 220 St. Türanlagen with closed door leaves and skylights, mostly with glazed side panels, single widths about 1.10 - 2.20 - 2.50 - 4.00 - 4.80 - 6.50 m, heights about 2 , 90 m.