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Port Operations Headquarters in Motril / Fresneda & Zamora Arquitectura

Port Operations Headquarters in Motril / Fresneda & Zamora Arquitectura

© Javier Callejas © Javier Callejas © Javier Callejas © Javier Callejas + 29

El Varadero, Spain
  • Design Team

    Palma Pajarón, Néstor Cruz, María Martínez
  • Clients

    Autoridad Portuaria de Motril
  • Engineering

    Juan Fernández Cañedo
  • Collaborators

    Francisco Campos Fernández, Director de Obra
  • Lead Architect

    Antonio Luís García-Fresneda Hdez, Juan Manuel Zamora Malagón, Antonio Jesús Jiménez Quesada
More Specs Less Specs
© Javier Callejas
© Javier Callejas

Text description provided by the architects. In 2017, the Port Authorities of Motril announced a contest for the new Headquarters of Port Operations of the National Police in order to control the activities carried out in the harbour. The proposed location between fishing vessels a few meters from the Mediterranean is strategic as a control point. This position together with the proximity of groundwater makes the design a sum of architectural and energy-related decisions with the goal of achieving a building with zero energy consumption. Formally, a strategy of sealing the corners and opening the interior spaces is chosen, with a system of courtyards that act as thermal regulators and contribute to the light quality and permeability of the interior.

© Javier Callejas
© Javier Callejas
Floor Plans
Floor Plans

The exterior and interior images of the building are strongly characterized by the bareness of their materials, which have the raison d'être in their constructive and energetic capacities. On the exterior, large glazed cloths with panels of blinds are installed between clean stone-like volumes. On the interior, the white brick walls and concrete ceilings and floors are materials of great inertia, active characters of the building's climate, and transmit energy progressively to the interior.

© Javier Callejas
© Javier Callejas

All these constructive decisions of the building are closely related to its NZB energy concept (Near Zero Building), the goal of zero energy consumption. The energy approach designed for the building is based on the premise of maximum efficiency in energy production and recovery systems with renewable energy input. The geothermal system takes advantage of the existence of groundwater accessible in the subsoil, ensuring a highly efficient air conditioning system and DHW production using a geothermal pump. The projected roof surface for covered car parks is utilized for photovoltaic solar collection, with the installation of a photovoltaic solar field integrated into the architectural design.

© Javier Callejas
© Javier Callejas

All of this is supported by the general process of an active envelope. An inertia system designed with the concept of hypogeal architecture as a starting point, where the exchange of energy between the interior environment of the building and the subsoil is facilitated, while it is isolated from the exterior environment. A double envelope construction system is designed, both in vertical and horizontal elements, capable of storing the air conditioning energy and creating a circuit that transmits it progressively to the interior environment, taking advantage of the thermal inertia of the materials.

© Javier Callejas
© Javier Callejas

The exchange is produced by inertia, so that the thermal jump between the air-conditioned environment and the air-conditioning fluid (air in the double envelope) is diminished, achieving a highly performing installation. Very little energy is needed to temper the recirculating air. With this active envelope system, a disconnection on energy-level takes place between the interior environment and the exterior, and a “cave building” is achieved.

© Javier Callejas
© Javier Callejas
Circulation Scheme and Section of Construction
Circulation Scheme and Section of Construction
© Javier Callejas
© Javier Callejas

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Project location

Address: Agregado Puerto, 41, 18613 El Varadero, Granada, Spain

Location to be used only as a reference. It could indicate city/country but not exact address.
About this office
Cite: "Port Operations Headquarters in Motril / Fresneda & Zamora Arquitectura" [Sede de operaciones portuarias en Motril / Fresneda & Zamora Arquitectura] 11 Oct 2019. ArchDaily. Accessed . <https://www.archdaily.com/926307/port-operations-headquarters-in-motril-fresneda-and-zamora-arquitectura/> ISSN 0719-8884

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