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Attiva Residential Building
Attiva Residential Building
Cumbayá, Quito, Ecuador
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Other Projects by NAJAS ARQUITECTOS
Attiva Residential Building
Cumbayá, Quito, Ecuador
Firm
Type
STATUS
Built
YEAR
2023
SIZE
100,000 sqft - 300,000 sqft
EDGE ADVANCED CERTIFIED
Attiva Building aims to address multiple functional, construction, and environmental needs through strategies that challenge the traditional archetype of apartment towers in the San Juan neighborhood of Cumbayá.
The first decision was to position the building in a conical shape on a rectangular and deep lot. This allowed the northern side to be freed up diagonally and fragmented into five vertical volumes, each with six floors. This design allows most of the apartments to have a “multiple-front façade” character, enhancing privacy between each unit, optimizing sunlight exposure, and framing the landscapes of Tumbaco and Puembo independently. Consequently, each balcony offers a unique view without visual or physical overlap with neighboring apartments.
This approach also involved breaking certain structural paradigms from the basement levels through diagonal shear walls, which, in line with the upper floors, frame each apartment. The central circulation spine is interrupted by five internal garden pauses that, through vertical light wells, connect the interior with Quito’s light and sky.
These five skylights, covered in glass and open at the terrace level, provide natural ventilation and lighting for the private service spaces on each floor, in addition to allowing cross-ventilation for adequate thermal control.
A key design principle was to recover as much of the green footprint as possible from the area occupied by the building.
To achieve this, the public plaza at street level integrates with the sidewalk and roadway slopes, featuring green spaces, bicycle parking, and public furniture that promote a high quality of life.
Its horizontal gardens on the ground floor and multiple vertical gardens contribute to an approximately 600m² green roof area. This has allowed for the recovery of 75% of the original land area with permeable green surfaces.
The environmental spirit of Attiva is reflected in three areas of eco-efficient development:
1. 24% water consumption efficiency and rainwater recovery for irrigation.
2. 45% energy consumption optimization.
3. Environmental, landscaping, and technological contributions that have achieved significant savings in resources and emissions:
Energy savings: 336.71 MWh/year
Water savings: 4712.07 m³/year
CO2 emissions reduction: 91.96 tons/year
Attiva Building aims to address multiple functional, construction, and environmental needs through strategies that challenge the traditional archetype of apartment towers in the San Juan neighborhood of Cumbayá.
The first decision was to position the building in a conical shape on a rectangular and deep lot. This allowed the northern side to be freed up diagonally and fragmented into five vertical volumes, each with six floors. This design allows most of the apartments to have a “multiple-front façade” character, enhancing privacy between each unit, optimizing sunlight exposure, and framing the landscapes of Tumbaco and Puembo independently. Consequently, each balcony offers a unique view without visual or physical overlap with neighboring apartments.
This approach also involved breaking certain structural paradigms from the basement levels through diagonal shear walls, which, in line with the upper floors, frame each apartment. The central circulation spine is interrupted by five internal garden pauses that, through vertical light wells, connect the interior with Quito’s light and sky.
These five skylights, covered in glass and open at the terrace level, provide natural ventilation and lighting for the private service spaces on each floor, in addition to allowing cross-ventilation for adequate thermal control.
A key design principle was to recover as much of the green footprint as possible from the area occupied by the building.
To achieve this, the public plaza at street level integrates with the sidewalk and roadway slopes, featuring green spaces, bicycle parking, and public furniture that promote a high quality of life.
Its horizontal gardens on the ground floor and multiple vertical gardens contribute to an approximately 600m² green roof area. This has allowed for the recovery of 75% of the original land area with permeable green surfaces.
The environmental spirit of Attiva is reflected in three areas of eco-efficient development:
1. 24% water consumption efficiency and rainwater recovery for irrigation.
2. 45% energy consumption optimization.
3. Environmental, landscaping, and technological contributions that have achieved significant savings in resources and emissions:
Energy savings: 336.71 MWh/year
Water savings: 4712.07 m³/year
CO2 emissions reduction: 91.96 tons/year
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