Esmarchstraße 3 residential multistory building project-Berlin is the forty-three article on architecture projects from practice. The building is located in a block of residential buildings including a street façade without a setback and a rear entrance from an open space connecting all the block buildings by green space and footpaths at the east side of the Berlin city center and adjacent to a central park. The block buildings are of multi-density height and differ in architectural style from block to block. The buildings are of pitched roofs in general, some of the building architecture is from the German Renaissance style, others have some details of this style and typical windows. Limited building’s architecture is from the modern architectural style. See Figure 1, a site view from Google showing the open space and building layout of the block on Esmarchstraße.
The e3 project is Europe’s first seven-story and 22m high timber structure in a metropolitan center. Wood as a building material requires the highest standards, especially when it comes to fire protection. Three pillars were of central importance for this: short, smoke-free escape routes, a smoke alarm system, and the maximization of the fire resistance of the load bearing and stiffening wooden components through seamless cladding. The internal spaces of the building are 987 m2. See Figure 2, 3 the front elevation and rear elevation of the building.
The building is the first seven-story residential building of wooden structure worldwide. It is a pilot project of renewable resources building materials and a structural experiment. The flats on all the floors have direct access and a view of the front street by the open glass windows. The rear elevation gives an open access view to all the flats on all the floors to the rear open space and green space and footpath. The design considers a sustainable approach to building architecture of having maximum direct light from the exterior on the two sides. Ventilation and fresh air are provided from external large-scale windows. Views are available from two sides one on the rear opening to the backside garden. The architecture considered comfortable spaces as the ground floor plan of each flat is 141 m2 of open space and a bedroom flat that excludes the ground floor mixed-use function.
The modern architectural principles are reflected in many places of the architectural design of this residential building. The simple front and rear façade design includes the typical type of glass window, the bridge connection from vertical circulation to flats entry, the open plan system, the roof terrace, and the garden, using simple colors and materials, direct views to external space, and a modular space unit for the function, elevation architecture design.
The architecture of this building is of semi-typical architectural plans of seven floors. The ground floor plan is composed of office space and related services, an entry corridor to the backside garden, and a core of vertical circulation stairs and elevators. The ground floor plan has access from the street and from the side of the plot. See Figure 4, ground floor plan of the Esmarchstraße 3 building.
The first floor has a different architectural layout than all the seventh floors which I will come to it later. The front elevation of the plan has a larger staggered balcony access to the street front elevation. And flat entrance of this floor is from the terrace open space balcony. See Figure 5, the first-floor plan of the Esmarchstraße 3 building.
The second floor is of architectural layout composed of two flats connected to the vertical circulation by two bridges. The two flats are not typical in architectural layout as shown in Figure 6, the typical floor plan of the 2nd floor.
The other floors the 3rd, and 4th, typically have the same architectural layout in terms of connection to vertical circulation by a bridge connection. These floor plans are larger in terms of area in the architectural design than the lower floors flats of this building. See Figure 7, the 3rd, and 4th floor plans of the Esmarchstraße 3 building.
The 5th and 6th-floor plans of this building are the largest in area without any balconies neither to the front elevation of the street nor the backside garden open space but an open projection of steel structure balcony. The wooden framing and structural system design of this building provided extreme flexibility to the architecture firm to design the architectural layout of all floors considering sustainable architecture principles. See Figure 8, the 5th and 6th-floor plans of the Esmarchstraße 3 building.
Figure 9 shows how the architecture firm designed the architectural layout of the kitchen area of one of the flats in the building and the amount of light and views access to external space. The harmony of natural materials and concrete material in the internal space.
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