Leibniz Grammar School St. Ingbert

Since autumn 2016, the listed old building has been available to Leibniz-Gymnasium after a two-year complete renovation. The building was constructed in 1926/27 and is connected to the voluntary all-day school by an arcade to form a listed ensemble.

Construction volume of old building: approx. 18,500 cubic metres.

The interior design is characterised by the use of smooth plaster surfaces in contrast to the mostly horizontal clinker brick elements from the construction period. An examination of the findings revealed that representative areas, such as the former assembly hall and today's music hall on the 2nd floor, were accentuated in very strong colours, which was typical of the "art deco" movement. This original colour scheme was taken up again in the music hall. The interior design elements from the construction period were refurbished and reused. The resulting new school building provides space for classrooms and course rooms, as well as specialist rooms for fine arts, music, natural sciences and social sciences. All classrooms and specialist rooms are equipped with state-of-the-art technology and a digital blackboard.

Year of execution and completion: 2014 to autumn 2016

Remarkable measures:

• Renewal of the windows according to the historical model in coordination with the State Monuments Office.
• ETICS (external thermal insulation composite system) of low thickness as minimum thermal insulation on the exterior walls.
• Roof renovation, including roof insulation and demolition and renewal of the surrounding cornice
• Renovation of the staircase in the stair tower
• Structural and fire protection upgrading

Accessibility: The building is barrier-free, so that some entrances can be accessed at ground level. A lift has also been installed and a disabled toilet has been built.

Costs: The construction costs for the project totalled around 7 million euros.

After a two-year construction phase, the voluntary all-day school in passive house design has been available to Leibniz-Gymnasium since autumn 2016.

Following the partial demolition of the listed old gymnasium from 1927, the voluntary all-day school (FGTS) was built on the same site at Leibniz-Gymnasium and opened in 2016.

Construction volume: approx. 4,900 cbm
Usable area approx. 1,000 sqm

The framework conditions stipulated by the State Monuments Office (LDA) were taken into account in the new planning. This meant preserving essential parts of the building fabric, such as the head building, as well as the historical effect of the urban architecture. Furthermore, the cubature (proportions + dimensions) and the connection to the old building (arcade) were preserved as a joint function. Costs, economy and sustainability were also taken into account and the building was constructed in solid construction. The concrete masses are partly used as thermal storage mass. Windows with 3-pane thermal insulation glazing were installed in the highly thermally insulated façade of the new part of the building. The tightness of the building envelope was verified in a final blower door procedure. In order to promote the development of energy-saving construction at this school location, the new FGTS building was realised as a passive building, just like the main building. Thanks to its good insulation, it achieves comfortable indoor temperatures solely through the passive utilisation of available energy (e.g. from the sun, people, electrical appliances) and can therefore largely manage without a separate heating system. The heating is supplied via a connection to the existing heating centre in the old building. In principle, the rooms are heated exclusively via the ventilation system. The room concept includes a canteen and kitchen, activity areas, library, quiet areas and media workstations.

Year of execution and completion: Autumn 2014 to autumn 2016

Accessibility: The building is barrier-free, so that the entrances can be accessed at ground level. A lift has also been installed and a disabled toilet has been built.

Costs: The construction costs for the project totalled around 4.3 million euros.

After a three-year construction phase, the school extension in passive house design has been available to Leibniz-Gymnasium since 2014.

The main building with sports hall was built as the first measure to consolidate the site and went into operation in 2014.

Construction volume: approx. 25,500 cubic metres

Usable area approx. 3,800 square metres

of which gymnasium approx. 990 square metres

The building is divided into three different utilisation units:

The school building has the form of a compact 5-storey block, which is organised in two flush levels. The 3-storey administration wing on Römerstrasse, which is offset in height, forms a transition to the neighbouring buildings on the opposite side of the street. On the south side is the 3-court sports hall, which can also be used as a meeting place and whose flat roof is used as an extension of the schoolyard area. The building is a solid construction. The concrete masses are partly used as thermal storage mass (e.g. classroom ceilings). Windows with 3-pane thermal insulation glazing were installed in the highly thermally insulated façade. The tightness of the building envelope was verified in a final blower door procedure. A passive building was constructed as an energy concept. Due to its good insulation, can achieve comfortable indoor temperatures solely through the passive utilisation of available energy (e.g. from the sun, people, electrical appliances) and can therefore largely manage without separate heating. The heating is provided by the previously unused exhaust heat from the old building. In principle, the rooms are heated exclusively via the ventilation system, with the exception of the showers/changing rooms and the entrance area on the ground floor, where underfloor heating is installed. The ventilation system regulates the room temperature and checks the air quality in the rooms and is controlled automatically accordingly. All classrooms and specialist rooms are equipped with the latest technology and a digital whiteboard.

Year of execution and completion: 2011 to autumn 2013

Accessibility: The building is barrier-free, so that the entrances can be accessed at ground level. A lift has also been installed and a disabled toilet has been built.

Costs: The construction costs for the project totalled around 9.8 million euros.