The perfect north-south orientation of the three ARQBÓREA blocks enables the use of different modalities and technologies on each façade to guarantee maximum levels of natural light, protection from direct sunlight and interior comfort, as well as offering the best exterior views.
The singularity of the project through its connection with the exterior is enhanced through the different “skins” of the building:
The glass on all façades have high sunlight control features, with large-scale vision modules: 2.4 metres wide and high, as a minimum, from the floor to the ceiling on each floor.
ARQBÓREA’s ideal orientation on the plot, its freestanding configuration, its ultra clear curtain wall, the height between floors and open-plan space ensure excellent leverage of natural light. Added to the high-performance control glass on all the façades, there are a range of solutions for solar control and to enhance comfort and lighting on all the façades and orientations.
All the lighting in interiors uses high energy-efficient luminaires with LED technology and low glare.
The DALI (Digital Addressable Lighting Interface) control system monitors the lighting according to natural light resources and creates “mood lighting scenes”.
ARQBÓREA incorporates a dynamic lighting system adapted to our circadian rhythms. This system changes the light temperature (the colour of the light) throughout the day to regulate the circadian rhythms of the people working at the building.
Our circadian rhythms or “biological clock” synchronise with daylight, which changes colour depending on the time of day. People are “activated” at the beginning of the day and “de-activated” at the end of the day to get ready to sleep. Circadian rhythms and the impacts thereof have been and continue to be researched in depth and, in 2017, the Nobel Prize in Physiology or Medicine was awarded to 3 scientists (Jeffrey C. Hall, Michael Rosbash and Michael W. Young) for their discovery of the molecular mechanisms that control circadian clocks.
The lighting installed at ARQBÓREA is programmed to start the day with warm light, then turn colder over the course of the day and return to warm light at the end of the day. This process is carried out automatically and users barely notice the changes in the office lighting, but their metabolism will adjust accordingly. The benefits of dynamic lighting include:
En definitiva, el centro de la iluminación son las personas y la mejora de su bienestar de forma activa. A este concepto se le llama Human Centric Lighting.
HVAC SYSTEMS
The ARQBÓREA design incorporates a fan-coil HVAC system with four pipes, EC motors and primary units with variable flow, regulated via air quality sensors. The main advantages of this system are as follows:
Efficiency, with low levels of electricity use, noise and adapted to user needs.
Maximum flexibility in the fit-out design for future tenants thanks to the fan-coil distribution: one every 14 m² of flooring and every 2.4 linear metres on the façade.
Full temperature control for each fan-coil unit via independent thermostats for every two fan-coils and option of users managing these fan-coils (temperature, ventilation speed, timetable, etc.) from a smart device (smartphone, tablet, etc).
The electricity supply on the office floors will be managed through four electricity control panels located on both sides of the main entrances. These floors will also have raised ceilings and floors, 95 and 15 cm respectively, to house installations.
Vertical transportation and communication will be carried out via six large capacity elevators, equipped with destination control selection and two service elevators. There will be two same-sized communication cores in the building. Each core will comprise:
Three elevators, two of which will operate from the car park floors to the office floors while the third will operate from the ground floor up to the rooftop.
A service elevator, with direct access to office floors from the car park.
ARQBÓREA will also be equipped with an elevator in the common area connected to the car park levels.
The two underground floors at ARQBÓREA will accommodate a car park with 450 parking spaces that include 14 spaces for electric and fuel-efficient vehicles. There will be two lanes to enter and exit the car park thereby ensuring efficient traffic flows.
The way in which the building adapts to the lie of the land on the plot means level -1 of the car park has a façade that lets in natural light and ventilation, as well as providing street-level access and direct access to the lobby.
Close to the building entrance there will be 45 bicycle parking spaces.
ARQBÓREA’s fire detection systems comprise smoke detectors for the protected atmosphere and raised ceiling, together with centralised alarm control.
The offices, common areas, mechanical room and car park are equipped with detection systems.
All lobby areas on office floors and the office spaces will have an automatic fire extinguishing sprinkler system.
All floors will also have a network of fire hoses and portable fire extinguishers.
Vertical distribution of telecommunications will be via a shaft expressly for this purpose, with horizontal distribution via the corresponding channels. All the common installations in the building will be centralised through a management system permitting optimal control of operations. In addition, ARQBÓREA will be equipped with the following services:
ARQBÓREA is strongly committed to integrating nature into its architectural proposition and the common areas around the building will have over 2,500 m² of vegetation with a big number of large-sized trees, which will provide shaded areas in sunny months and create a varied landscape, together with bushes and ground level plants that will demarcate paths and entrances.
The presence of fountains and benches will complete the spaces designed for users of the building to enjoy.
The walkways will be tiled with natural stone.
Office floor plan: structure of columns, slabs and post-tensioned slabs with lights between columns 15.35 m in one direction and 7.2 m in the other. Rectangular columns on the façade and no intermediate columns thanks to the technical features of the post-tensioned slabs.
Below ground: Waffle slabs on lower floors and slab on floor -1.
Walkable roof with perimeter plants and synthetic decking with SRI >70% finish. Installations area demarcated from walkable areas with acoustic screen.
Fan-coil HVAC system with four pipes, EC motors and fan-coil distribution: one every 33 m² for floor interiors and every 2.4 metres on the façade. Primary units with variable flow.
The evacuation routes are designed to enable an evacuation ratio of 1/7,4 m².
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