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
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