Second place for L-shaped form

07 Jun 2013

Sustainable design for new residence hall in the Health Sciences Campus in Bellvitge

A highly collaborative team formed by Arquitectura Ingeniería Salud, SLP / Trias de Bes Arq. / Barceló Balenzo Arq. / Patricio Martínez Maximilià Torruella Arq. was awarded second place in a competition issued by the University of Barcelona to design a Residence Hall intended to give accommodation to several users including students, families of hospital's in-patients, mid-term outpatients, university's guests.

The proposal is a 11,000 sq m, 12 storey, L-shaped 'compact' building, with a single access point, minimising the number of vertical shafts and the length of circulations, with better access control, easier grouping and optimisation of technical facilities and increased energy losses control.

Common areas related to the city are located on the second floor and 70% of residents are located in the first four levels, with all double bedrooms facing south, which optimises the use of stairs/lifts and achieves 54% of users with optimal solar orientation. Gardens and terraces in various levels help users' comfort.

Sustainable design is fulfilled with an holistic and comprehensive approach in all disciplines: architecture, engineering and facility management. Proposed solutions include passive energy saving with facing E/W main walls being opaque to prevent excessive sun-heating, a South facade optimised to achieve/avoid light and heat gains in winter/summer, concrete structure acting as a thermal mass element, use of dry construction elements and certified recycled materials, local manufactured, always with low environmental impact and VOC's emission free.

Facilities have high-saving energy performance, through co-generation in HVAC systems, condensing boilers, free-cooling and heat ventilation recovery, high efficiency lighting elements, water consumption control and 'grey' waste water reuse, achieving -53% in overall energy consumption, -90% in electrical (due to co-generation and photovoltaic panels) and -70% in CO2eq, emissions compared with a reference building, using Life-Cycle-Assessment tools.

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