Ex-Post building

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General Information:

• Project name: Ex-Post
• Project type: refurbishment
• Building type: Office building
• Building Typology: Non-residential
• Location: Italy, Trentino-Alto Adige/Südtirol Region, Bolzano Province, Bolzano Municipality
• Year of construction: 2004-2006
• Number of floors: 5

 

Building Size:

• Gross building volume: 13.464 m³
• Gross floor area:  3.960 m²
• Gross heated floor area: 2.857 m²

 

Building Envelope:

• Exterior wall: 15 mm exterior plaster; 350 mm of EPS insulation; 10 mm cement;  300 mm mansory+concrete; 15 mm Interior plaster; U=0.13 W/(m²K)
• Roof: 250 mm brick ceiling; 140 mm polyconcrete; 50 mm screed; 10 mm tiles; U=0,678 W/(m²K)
• Basement floor / floor slab: 15 mm Interior plaster; 350 mm concrete slab; 50 mm sloped screed; 280 mm thermal insulation XPS; 5 mm PVC sealing; U-value=0,13 W/(m²K)
• Windows and balcony doors: 3-pane windows with plastic frame;, U=0.79 W/(m²K)

 

Building service systems:

• Ventilation: A central air handling unit with filters and a heat recovery humidifier and cooling machine is installed.
• Heating: A central heating system with a gas-condensing furnace, with a 800 liters buffer tank) which provides warm water to convection heaters.
• Photovoltaic installation: Installed capacity of 27 kW photovoltaic modules on the southeast façade (220 m2).

Building energy performance:

• Annual heating demand: 12 kWh/m²a
• Heating load: 13 W/m2
• Cooling: 4 kWh/m².a
• Primary energy requirement: 118 kWh /m²a
• Air tightness: n₅₀ = 0.64/h

 Links for further information:

• http://www.passivhausprojekte.de/index.php?lang=en#d_2782
• http://www.aidaproject.eu/downloads/25/02_eurac_expost_en.pdf
• http://wiki.cesba.eu/w/images/6/61/CABEE%2C_front_runner%2C_Ex-Post_Building_Bolzano%2C_description.pdf
• http://www.researchgate.net/publication/266331232_Towards_Zero_Energy_Renovation_Ex-Post_Building_in_BolzanoItaly