The Astrolabe

  • Project type : New Construction
  • Building Type : Public or private hospital
  • Construction Year : 2016
  • Delivery year : 2016
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.
  • Net Floor Area : 1 280 m2
  • Construction/refurbishment cost : 1 800 000 €
  • Number of Bed : 12 Bed

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  • Contest

    Green Solutions Awards 2018 - Buildings

    Health & Comfort
    Users' Choice

    The program of the operation initially targeted the RT2012 but the Project Manager had already expressed its desire to use geothermal energy, solid wood panels (CLT) and significant thicknesses of wood fiber insulation. The thermal resistance of the building envelope was therefore already much better than what would have been expected for a building RT2012. Regulatory calculations and simulations carried out at the beginning of the projects showed that the building was close to the heating consumption of a passive building.

    The project management team therefore proposed to the APHP to improve the building to achieve the performance of a passive building, which represented several advantages:

    • To be able to do without heating equipment in the building: Given the risky behavior of some patients, the risk of injury was too great with radiators. The floor heating would have responded to this risk but given the low consumption, these equipment would anyway were little used.
    • Simple design and operation by not using any heating network and heat emitters in the building.
    • The cost of the improvements to be expected was reasonable: Choose a double-flow CTA with excellent performance, strengthen
    • By targeting the passive level, the project was able to receive ADEME aid under the PREBAT program, which covered part of the additional costs

    Do not use heating networks in a tertiary building however has a sore point: The building is divided into 3 areas at the CTA. The heating is provided only by a hot battery on the fresh air outlet of each zone. The heating setpoint is adapted according to the temperature measured on the air of each return network.

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