Hospitals

Sparta General Hospital

PROJECT DETAILS

City
Sparta
Country
Greece
Customer
Stavros Niarchos Foundation
Architectural design
RPBW Renzo Piano Building Workshop
Period
2018-2023
Amount of works
64.000.000 €
Services Provided
Structure Design | BIM
Sector
Hospitals
Dimensions
22,000 square meters
Construction technique
reinforced concrete, glued laminated timber, X-Lam, steel

A new hospital in the Peloponnese

On a hillside, surrounded by vegetation, will rise the new Sparta General Hospital, one of three healthcare construction projects entrusted to Arch. Renzo Piano by the philanthropic organization Stavros Niarchos Foundation, in coordination with the Greek government. A facility in close dialogue with its natural surroundings, also from a therapeutic point of view, equipped with a roof of photovoltaic panels that will ensure an energy supply from renewable sources.

A new hospital in the Peloponnese

On a hillside, surrounded by vegetation, will rise the new Sparta General Hospital, one of three healthcare construction projects entrusted to Arch. Renzo Piano by the philanthropic organization Stavros Niarchos Foundation, in coordination with the Greek government. A facility in close dialogue with its natural surroundings, also from a therapeutic point of view, equipped with a roof of photovoltaic panels that will ensure an energy supply from renewable sources.

Three hospitals for a national project

Stavros Niarchos Foundation, a philanthropic organization that funds projects in the fields of art, culture, education, health and social welfare, has commissioned Arch. Renzo Piano to design three new facilities for the national health system of the Hellenic Republic. Following a memorandum of understanding signed with the Greek government, the health system will thus be implemented through three facilities built by means of the highest criteria of efficiency, sustainability and innovation: two general hospitals, in Komotini and Sparta, and a new university children's hospital, in Thessaloniki.

A number of common principles guided the design of the three complexes, beginning with the centrality accorded to the individual and the attention paid to the natural context in which they will be integrated. The three facilities will be immersed in environments that, in addition to allowing users to benefit from the therapeutic properties of nature, will also allow optimal use of natural light and ventilation in all areas of the buildings. Architecturally, the designs of the three hospitals are united by the presence of wooden structures, glulam columns and beams supporting X-Lam floors.

In the hills overlooking Sparta.

The new Sparta General Hospital consists of a single volume on six levels - three of which are underground - arranged parallel to the old hospital building. The facility's location on a hillside guarantees hospital users a panoramic view of the city below, which patients, visitors and mental health department staff in particular will enjoy. The latter will also benefit from a garden with limited access, while there are plans to create specially developed therapeutic green spaces for the rehabilitation of patients with sensory disabilities.

 

In general, the building will be surrounded by green surrounding vegetation in order to make the most of its therapeutic properties. Finally, as in the case of the other two facilities in Thessaloniki and Komotini, the new hospital facility in Sparta is also designed to maximize the exploitation of solar energy, thanks to photovoltaic panels placed over the entire surface of the roof.

The role of nature and the use of wood

Among the elements that the three hospitals designed by Arch. Renzo Piano for the Stavros Niarchos Foundation have in common is their attention to the natural environment in which they are located and integrated: a detail that translates first and foremost into the careful use of renewable energy resources and respect for the principles of energy and social sustainability. The use of natural light and ventilation, for example, finds application both in public spaces and in inpatient rooms. Moreover, as in the Asklepeion, the healing temple of ancient Greece, this triple intervention also places nature in a therapeutic role in the patient's rehabilitation process.

From a technological point of view, the three basic parameters that were observed during the design are high seismic resistance, durability and sustainability. In this regard, the use of wood as a construction material for above-ground structures is functional in meeting all three, as it is a strong, durable and above all lightweight material - a fundamental property for an earthquake-resistant structure. The construction system is made of glulam pillars and double beams, to which walkable decks made of X-lam panels are applied. In the event of a seismic event, rigidity and sound insulation are provided by a concrete hood cast over the floors.

The wooden structural elements are produced in the factory by numerical cutting, which ensures a high level of precision and maximum production speed. X-lam slabs are composed of five layers of wood, with a total thickness of 200 mm, glued by a dry process. The structural elements are assembled on site, by means of concealed joints, screws and bolts.
Wood, although known as a combustible material, actually retains high fire resistance, being less vulnerable than steel or reinforced concrete. Wood structures rarely contribute to the spread of fire, rather suffering its consequences. In fact, wood burns slowly, from the outside in, while the part that has not yet been charred remains mechanically efficient until it shrinks to the point where it can no longer support loads. In light of this, and combined with the fact that the charring process depends on the original section of wood, verification of beam stability is done according to Eurocode 5 "Design of Timber Structures." Considering that wood burns at about 0.6 mm/min, if a beam is to meet fire resistance class R60, its structural thickness must be increased by about 36 mm.
UV rays and moisture are harmful to wood, as they transform one of its main components, lignin, into a water-soluble substance. Moisture also dilutes the lignin and causes the wood to graying and bacteria to grow. Therefore, to prevent the sun and moisture from penetrating the material, it is important to use physical filters that can block water and UV rays. Wood can also be preserved from the formation of mold, algae and the attack of xylophagous insects (i.e., those that feed on woody substances) by adding certain additives with specific active ingredients to the impregnating primer. In this project, products compatible with hospital spaces are used, as they are PMC certified. For the interiors, in particular, the finish used is a transparent water-based paint that is effective in inhibiting the proliferation of bacteria thanks to the activation of silver ions in combination with a washable film that is particularly resistant to the cleansing and application of disinfectants used in medical environments.

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