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The garden is located in an area with steep 9 meters, between the streets Josep Gari Street Collserola street Carlos Pirozzini and Calle Conde de Sert, the District of Sarria-Gervasi, in an environment close to park Collserola.
It's an urban garden of 4,128.04 m² projected on the roof of the new municipal park cleaning services "Torrent Maduixer" building underground centralizing cleaning services in the district of Sant Gervasi - Bonanova. The uniqueness of this center lies in the fact that cleaning is an underground building 2406.56 m² and energy efficient because it has a geothermal pump, a device that enables high performance with low energy consumption electric.
biodiversity
Margins have trees and shrubs emphasizing the central green and flowering trees appears that become major attractors of butterflies and other species. The garden has 79 species: 13 rosewood (Tipuana types), two paulownia (Paulownia tomentosa), 10 jacarandas (Jacaranda mimosifolia), 5 Mèlies (Melia azedarach), ash (Fraxinus ornus), 7 carob (Ceratonia silicua), 5 oaks (Quercus ilex), 3 oaks (Quercus suber), pines (Pinus halepensis), 9 pines (Pinus pinea), 11 hackberry (Celtis Australis) and five cherry strawberry (Arbutus unedo). In parterres lateral and shrubs are Tulbalgia violacea, Plhomis lanata, Hebe sp purple flowers, Cistus pulverulentus, Dicliptera suberect, Hemerocallis orange flower, Verbena bonariensis, Pennisetum and alupecuroides Leonotis Leonorus. In the central stand mastic (mastic), violet (Vitex agnus castus) Buddleia davidii, Palyurus spina christi, broom (Spartium junceum) and laurel (Laurus nobilis). There are also vines and creepers like Thunbergia grandiflora, Thunbergia Gregorio and Parthenocissus tricuspidata on the sides and ivy (Hedera helix)
Landscaping and Design
The different level jumps between five terraces terraces that are saved with this urban garden landscaped slopes. The garden has a second route through rapid lateral stops allowing cross the park from north to south. All existing walls in the park integrated with gabions. The pavements parks are precast concrete, gravel, sand and concrete grenade disabled. The second terrace of these gardens has six skylights that guarantee the supply of natural light inside the cleaning equipment located in the basement. At the top of the park is an allotment.

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