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Depot of the tramway of Odense

Denmark

As part of the Odense city tram development project in Denmark, IDOM designed the depot building, workshop and offices of the tramway.

The building will have almost zero consumption, an objective that the Danish legislation contemplates within its regulations

The building must be an nZEB (near Zero Energy Building), an objective that the Danish legislation already contemplates within its building regulations (BR15). The annual net primary energy consumption of the building must be less than 25 kWhep/m² year.

For this, we have paid special attention to the efficient envelope, with a passive design that contributes to reducing energy demand, with a proportion of gaps of 15% with respect to the area of ​​each space, which results in a Daylight Factor of 3% in the office area

To combat the low temperature climatic conditions, the building has a high performance envelope with a thermal transmittance of 0.12 W / m²K for facades, 0.09 W / m²K for roofs, and 0.8 W / m²K for glass. The infiltration reduction work is also one of the main requirements of the regulations because, during the construction phase, Blower Door tests are performed, whose values ​​must be less than 0.5 ren / h at 50 Pa.

For thermal conditioning, the district heating of the city is used. The strategy of natural ventilation and the maximization of free-cooling of air conditioners (which also have a heat recovery of 85%), allow to dispense with air conditioning systems. All lighting is LED technology with presence detectors and brightness control.

The building has a 78 kWp photovoltaic installation, with which it compensates the energy consumed until reaching the target consumption value.

In addition to the use of low water consumption equipment, both stormwater, gray water and tram cleaning water are treated and reused within the building itself for different uses. In this way a important savings in drinking water is achieved.

Architecture

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SCOPE:
Architecture & Engineering Design