<translation>Plzeňský Prazdroj</translation>

<translation>Přístavba velkokapacitního výtahu, Stavební úpravy 1. a 2. patra Staré varny objekt 1-6</translation>

<translation>Plzeňský Prazdroj</translation>
Address: U Prazdroje 7, Pilsen, Czech Republic
Investor:Plzeňský Prazdroj a.s.
Completion:02/2006 – 04/2008


Location
The newly constructed vestibule, the shaft of a large-capacity elevator, and the restored 1st and 2nd floors of brewhouse 1-6 are located on the southeastern side of the Plzeňský Prazdroj brewery complex. The volume of the elevator has been wedged into the historically varied amalgamation of buildings, whose origins date back to the establishment of the brewery in the first half of the 19th century, while the structure of the grain mill belongs to the early 1970s.
The brewery complex is one of the defining landmarks of the area, with its main entrance facing the central boulevard.

Assignment
The investor's goal was to significantly expand, diversify, and enhance the visitor route through the brewery. An integral part of the plan was therefore the design of a new route for the tour within the building of the historical brewhouse and the construction of new paths, including an extension.

Architectural Solution

Extension of the large-capacity elevator and new vestibule for visitor access
The investor required the construction of a facility that would transport groups (approximately 50 people) from the area in front of the brewhouse to the 2nd floor of the Old Brewhouse (to the area of the new panoramic cinema) in the shortest possible time, to achieve maximum smoothness and speed of movement of the visitor groups along the tour route. The connection had to be barrier-free.
This situation was resolved by the largest passenger elevator in the Czech Republic. It has only two stations: on the ground floor and the second floor. The cabin with a floor area of approximately 20 m² is traversing, with the southeast side being glazed, including doors. The main direction of entrance on the ground floor is from the newly constructed vestibule.
The vestibule on the ground floor is designed as a simple cubic volume with a glass front and automatic sliding doors (the plane of the glazing is set back (by about 5 meters) compared to the surface of the shell, creating a covered entrance area). The side facing the shaft is also glazed.
The elevator is hydraulic, with the machine room located below the level of the entrance in the empty areas of the basement of the grain mill. Special attention was required for the foundation of the shaft structure and the bottom since it had to exceed the width of the corridor leading to the lager cellars, which is located in the transverse axis of the cabin under the building.
The main idea for the cladding was the use of affordable "metered" material - unlike what is usual - to achieve the effect of a fragile - fully glass house. The uniqueness of the use lies in the fact that the copilit bricks were set before the full wall (or rather before the insulation covered with a reflective golden paint) and anchored with the back side at the cross-section facing outwards, which creates a plastic vertical fluting of the shell (in the original cladding design, a golden reflective foil was proposed instead of golden facade paint). The effect of the material in total (projected translucent glass + golden facade paint) created an analogy of glass + beer. The glazed part of the elevator shaft has smooth (structural glazing) in double insulation glazing.

Exhibition (2nd floor of brewhouse 1-6)
The attic of the Old Brewhouse is a longitudinal, elevated monopace approximately 42 m long, about 7 m wide, and with a clear height of over 9 m. It is a unique room, where the monolithic reinforced concrete structural system of the building, including the systems of galleries and bridges on several vertical levels, is clearly visible.
The main space of the attic of the brewhouse was architecturally cleaned, stripped of all inauthentic modifications and installations. This fully uncovered its undeniable spatial qualities. The surfaces of the plaster and concrete were cleaned and repainted with a special lime paint. A sensory installation presenting the basic raw materials of beer production was subsequently inserted into it. This is preceded by a seven-minute film about the production process projected onto a circular panoramic screen.
The same cleaning and restoration process was applied to the space of the so-called economizers - that is, waste heat exchangers from brewing beer - on the southern side of the building. A new five-armed steel staircase connecting the 1st and 2nd floors of the building was installed in this refined space.

Brewhouse (1st floor of brewhouse 1-6)
The condition of the brewhouse 1-6 hall before the start of restoration work indicated that beer production had recently ceased here. During the time when the brewhouse was operational, purely utilitarian interventions were made in its structure without regard for the overall appearance. While the original aesthetically valuable surfaces of the floors and walls were mostly preserved (all vertical walls had ceramic cladding up to the ceiling), they were largely in damaged, fragmentary condition. In other areas, the cladding was gradually replaced with poor-quality substitutes. The elements of the stone cladding of the columns and stairs were well preserved. The fills of the openings were non-original, as were the lighting or the fills of the railings.
The aim of the alterations was to clean the entire area of inauthentic layers, integrate this exclusive space into the new concept of the visitor route, and enhance the visitor's experience with the opportunity to closely examine the authentic historical production facility with everything related to its original appearance. Therefore, visible technological elements were professionally restored, the brewing vessels refurbished, and the drives of the mixers partially restored. Almost nothing remained of the original ceramic wall cladding. This meant creating an exact replica of the original material based on period photographs - for this purpose, 470 m² of atypical sharply cut tiles were specially manufactured. In contrast, the well-preserved original flooring was supplemented piece by piece from other less exposed parts of the building. Based on the only preserved contemporary photograph, 24 copies of the original hanging lighting fixtures were made. The fills of the internal openings made of glass blocks and non-original wooden doors were replaced with replicas of the original fills or new designed elements, while the non-original undivided steel windows in the facade were replaced with fills in the spirit of the original "factory" division.



Authors: D and M s.r.o. (Ing. Arch. Petr Burian, Ing. Arch. Pavel Uttendorfský)
Project collaboration, construction part, coordination: AiP Plzeň s.r.o. (Ing. Arch. Karel Salát, Michal Nedvěd)

Exhibition
Authors, script, production: PP Production s.r.o. (Jakub Mejdřický, David Bazika, Vít Rozehnal, Benjamin Tuček)
Collaboration: D and M s.r.o. (Ing. Arch. Petr Burian, Ing. Arch. Pavel Uttendorfský)
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