Here is an overview of the types of blue-green infrastructure that will be developed and tested at the LILa. There will be 3 locations for walls and roofs, and 1 control area, all of equal size. The inside of the one story building has similar sized office spaces of 15-17.5 square meters. The roof will be accessible through means of a still to be constructed staircase and it will have a walking area for visiting and maintenance, secured by a fence.
In short:
Roof composition: 4 parts aligned with the office spaces on the ground floor
• Green roof 1: 15 m² extensive (5 cm soil depth)
• Green roof 2: 15 m² semi-intensive (up to 50cm soil depth)
• Green roof 3: 15 m² green-blue roof (10-15 cm soil depth, water retention crates)
• Control roof 4: 15 m² unaltered for comparison
Wall composition: 4 parts aligned with the office spaces on the ground floor
• Green wall 1: 6 m2 wall-bound plants
• Green wall 2: 6 m2 scaffold type 1
• Green wall 3: 6 m2 scaffold type 2
• Control wall: unaltered for comparison
Though there are 2 areas where green infrastructure is developed, there are 3 areas where we want to take measurements. At each wall and roof, including the control areas, we will measure the temperature and humidity. In the soil, where relevant, we will measure the soil temperature and moisture. These will be combined with weather data from a weather station. All the sensors for outside measurements come from metergroup. Here is an image of the weather station involved, the ATMOS 41-W. All instruments can store and send data through a solar powered datalogger so no connections to electricity are required.
Aside from the outside walls and roofs, we also want to see if there is any measurable impact on the inside of the offices, especially for temperature, humidity, and energy use. At a later stage the exact sensors for these factors will be determined, as it depends on which adaptations are allowed inside the building.
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