BBT Infopoint
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弗朗岑斯费斯特堡垒建于1833年至1838年之间，由上堡、中堡和下堡三个独立部分组成。首先对下部进行修复，然后是上部。2014/15年，C栋建筑及BBT信息点进行了改造和扩建。该部分在1970年代因国道的转移而遭到严重破坏。
现有结构复兴的基本理念是尽量保留未受影响的状态，并通过最小的干预来使用堡垒。堡垒的风化和气息应与新干预相协调，以便于发展和使用。少量精心挑选的元素在设施中创造了新的连接路径，从而使其能够作为展览空间使用。材料的选择符合堡垒的当地条件。色彩和材料性与现有建筑形成“抽象”的关联，但仍然允许清晰地识别新干预。修复的基本原则是“旧的是旧，新的是新”，在历史遗存与当代建筑之间的对话中得到了扩展。重点在于保护建筑物和维护堡垒广场。
新的主要入口利用了位于40号建筑对面的外墙现有门洞 “下堡庭院，毗邻现有的主要入口C栋建筑”。
从这里进入长而狭窄的内庭院，内庭院有C栋建筑的防御墙。
一个从底层岩石中开凿出的新通道成为了访客的入口。在防御墙中，必要的新开口是从砖石中切割出来的 “使用金刚石锯”。
沿路的区域通过一个扩展的金属网格与道路隔开，网格距离岩石外缘约50厘米。
建筑10的轮廓在其平面图中被描绘，并作为覆盖隧道孔的结构执行。这个新建的体量位于街道上方，并与现有环境有着强烈的联系，可以被视为由于其建筑和静态挑战而产生的“增加”。因此，它使得进入被毁坏区域成为可能。通过这一干预，所有历史堡垒遗迹再次得以开放。
新的大厅被设置为一个“盒子” “空间原理中的房间”，位于建筑10的重建外壳内，采用两层黑色绝缘粘土和夹层热绝缘材料。
该项目将消失的体量重新带回堡垒，并以新的空间逻辑和相似的语言恢复了剩余的体量。
侧面将有一个通道，确保在活动期间各建筑之间的防雨连接。来自下层 “新主要入口” 的到达通道以及电梯和一个小型开放前厅区域也位于该屋顶板的防雨区域内。
新的可见材料少而简单，与历史背景和谐融合。
The fortress Franzensfeste was built between 1833 and 1838 and consists of three autonomous parts: the upper, the middle and the lower fortress. First, the lower part and then the upper part has been renovated. In 2014/15 the building body C with the Infopoint BBT has been converted and expanded. This had been severely destroyed in the 1970s by the transfer of the state road.
The basic idea behind the revitalization of the existing structures was the preservation of the unaffected state and the use of the fortress by minimal interventions. Patina and aura of the fortress were to remain in accordance with the new interventions for the development and use. Few carefully selected elements create new connecting paths in the plant and thus make it possible to use as an exhibition space. The materials are selected in accordance with the local conditions of the fortress. The chromaticity and the materiality create "abstract" references to the existing architecture, but nevertheless allow a clear readability of the new interventions. The basic principle of the restoration "Old is old - new is new" is extended in the sense of a dialogue between historical stock and contemporary architecture. The focus was on the preservation of the buildings and the preservation of the fortress squares.
The new main entrance uses the existing door opening in the outer wall opposite the building 40 (courtyard lower fortress, adjacent to the existing main entrance building body C).
From here you enter the long and narrow inner courtyard with the fortification wall of the building body C.
A new course, which is broken out of the underlying rock, becomes a gateway for the visitor. In the fortification wall the necessary new opening is cut from the masonry (diamond saw).
The area along the road is separated from the road by an expanded metal grid, which is set back about 50 cm from the outside edge of the rock.
The outline of the building 10 is traced in its ground plan and is executed as covering the tunnel hole. The new construction of this volume, arranged above the street and with a strong connection with the existing context, can be regarded as an "increase" due to its architectural and static challenges. It thus makes it possible to access the destroyed area. Through this intervention it becomes possible again to open up all historical fortress remains.
The new hall is set up as a "box" (room in space principle) in the reconstructed building envelope of the building 10 and executed in two-layered black insulating clay with interposed thermal insulation.
The project has returned to the fortress the volumes that have disappeared, and has restored the remaining volumes in a new spatial logic and in a similar language.
Laterally there will be a passage which ensures the rainproof connection between the various buildings, even in case of an event. The arrivals from the lower level (new main entrance) as well as the elevator and a small open foyer area are also located in the rain-protected area of this roof slab.
The new visible materials are few and simple materials that blend harmoniously into the historical context.