recirculation filter, capacity 45 000 m³/hour 1999
recirculation filter, capacity 80 000 m³/hour 2005
recirculation filter, capacity 80 000 m³/hour 2007
recirculation filter, capacity 53 000 m³/hour 2014
boiler house, capacity 0.84 MW 2006
boiler house, capacity 1.2 MW 2006
boiler house, capacity 1.0 MW 2012