‘waste treatment facility from vallès occidental in vacarisses’ by batlle i roig arquitectes, vacarisses, spain image © francisco urrutia all images courtesy batlle i roig arquitectes

the ‘waste treatment facility’ in vallès occidental, spain by spanish practice batlle i roig arquitectes has won the world production, energy and recycling building of the year from the 2011 world architecture festival. positioned on a hillside overlooking the coll cardús massif in vacarisses near barcelona, spain, this structure rests upon a controlled waste landfill landfill which is nearing its capacity limit. the managing body decided against closing the center and chose to study other possibilities for the site. the specific location of the building has been selected due to its already damaged state to reduce environmental impacts resulting from its installation and operation after construction.

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarissesgreen roofimage © francisco urrutia

an elongated roof which covers the entire treatment areas visually expresses a driveway which bisects the program below which an angled step to adjust for the descending terrain. rainwater collection and energy from the biogas generated by the processing of the trash sustains by the building’s operations. a geometric pattern of assorted circles surfaces the extensive canopy containing vegetation, forced air vents and skylights. native groundcover and shrubs are planted within the planters while intermittent gravel and earth filled modules add color to the graphic arrangement.

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarissestranslucent glass facade conceals treatment facilities insideimage © francisco urrutia

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarissesgreen roof plantersimage © francisco urrutia

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarissesskylightimage © francisco urrutia

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses driveway which bisects the siteimage © francisco urrutia

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses view of the structure from base of the hillimage © francisco urrutia

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses roof plan

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses section

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses section

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses section

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses section

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses green wall detail

batlle i roig arquitectes: waste treatment facility from vallès occidental in vacarisses roof axonometric

project info:

authors: enric batlle, joan roig, architects collaborators: xavier ramoneda, architect, mario suñer, architect, idema, engineering project date: 2008 work date: 2010 area: 45.000m2 developer: consorci per a la gestió dels residus del vallès occidental builder: ute ctr-valleys (hera, fcc and urbaser) budget: 74.000.000 EUR photography: francisco urrutia