Technical High School for Health Professionals in Ettelbruck

  • Project type : New Construction
  • Building Type : School, college, university
  • Construction Year : 2016
  • Delivery year : 2019
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.
  • Net Floor Area : 7 237 m2
  • Construction/refurbishment cost : 10 €
  • Number of Pupil : 450 Pupil
  • Cost/m2 : 0 €/m2
  • Cost/Pupil : 0 €/Pupil


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  • Published on 04 June 19
    by Fabeck Tatiana|Luxembourg
    Viewed 786 times


  • Contest

    Green Solutions Awards 2019 - Buildings

    Energy & Temperate Climates
    Low Carbon
    Health & Comfort
    Users' Choice


    The Technical High School for Health Professions, located in Ettelbrück, will soon welcome nearly 430 students in 16 classrooms and 6 clinical teaching rooms. The programme includes an administration wing and a 200 m² multi-purpose room.

    Initiated by the public buildings administration, the school was designed according to the principles defined for buildings in The term "positive energy" means that it produces more energy than it consumes, but also attaches great importance in

    its design to grey energy, i.e. the non-renewable primary energy required for its construction and demolition.

    Some particularities mark this project such as the use of wood for the construction system or clay panels for the interior partitions. In order to reduce grey energy as much as possible, the choice of materials was made, for example, for ballasted columns to reinforce the ground instead of concrete piles. In addition to its purely technical interest, this method makes it possible to reduce the environmental impact of the project, compared to other processes.

    Also noteworthy is the use of an innovative hybrid ventilation system that combines natural and mechanical ventilation. In addition, the entire roof is covered with photovoltaic panels. 2,121 m² of this 2,121 m² installation represents a production of 258,00 0 kWh/year.

    Thermal collectors linked to a seasonal reservoir have been installed on the facade. This building is als o equipped with high-performance computer equipment and A++++ electronic devices, as well as optimized LED lighting. The building envelope has been particularly well cared for with a thermal insulation of up to 40 cm.

    On the south-east and south-west façades, flat solar collectors with a combined surface area of approximately 350 m2 are vertically integrated. These collectors heat the seasonal tank, which is installed in the stairwell, with a height of nearly 20 metres and a diameter including 3.1 metres of insulation, providing a capacity of 91,000 litres. During the summer period, the tank is heated, the temperature can reach 95°C.

    This heating system, the largest of its kind installed in a functional building in Luxembourg, was designed specifically for the project and is fully in line with the overall concept of the very rigorous "Minergie- P-ECO" certification. This label, which goes beyond taking into account energy and comfort criteria, includes the use of ecological materials and the prohibition of products harmful to health.

    The Lycée Technique pour Professions de Santé is the largest wooden building in the Grand Duchy, both in terms of its built surface and its height.

    To come back in more detail to the heating system, two heat pumps with a capacity of 12 kW each complete the seasonal storage tank supply. They are installed in the exhaust of the ventilation unit and draw energy from the ventilation unit. The water injected into the heating network,withatemperature of approximately 28°C, is distributed by a floor system for the multi-purpose room, the foyer and the cafeteria. Fan coil units, with very low power consumption, allow the fresh air from the corridors to be drawn and pulsed into the other rooms. The corridor thus acts as a ventilation duct, which avoids a conventional metal cladding system.


    Certification Scheme


    Location

    Impasse Avenue Salentiny , L-9080 Ettelbruck Luxembourg

    Technicals Features