Sustainability

Esteyco takes into account environmental, social and economic factors in all its designssuch as safeguarding ecosystems, resource management, waste handling, mobility for pedestrians and cyclists, and in public transport the robustness and adaptability of the urban design to deal with unplanned phenomena, universal access to resources and services and, in general, any aspects that might improve people’s health and welfare, as well as their quality of life.

Urdaibai
Biosphere
Reserve

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sustainability solutions for
infrastructure

ESTEYCO works with public and private partners to achieve these goals, contributing not only our experience but also by allocating a significant part of our budget in RDI.

Examples of our sustainability praxis include the following key actions:

Since 2005 more than 3,000 wind-turbine towers have been built based on designs and patents developed by Esteyco. Towers made of precast-concrete segments,often manufactured on the same wind farm where they are going to be installed, contributes towards reducing the carbon footprint, saving on transport and on the amount of steel required for the tower, and increasing energy production by making it possible to achieve higher hub-heights.

On-site construction of telescopic tower

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Using concrete as the main material keeps costs and forecasts stable and less volatile, owing to its less volatile prices. The maintenance costs involved are low, and they have no height limitations, because the diameter of the base can be adapted to the size of the segments (precasting).

The technology for precast braced foundations (BPF) involves reducing the CO2 footprint by at least 20% (PBF versus conventional), because of the major savings that can be made on materials, as this is a highly industrialised process.

Hybrid tower based on a braced foundation.

Esteyco has made a quantum leap in offshore technology by developing ELISA (self-raising precast-concrete telescopic tower + self-floating foundation in provisional stages and gravity in its final position), representing a big step forward for marine wind energy, culminating with the construction of the first operational marine wind-turbine in Spain and the first in the world to be installed on a fixed bed without any need for major maritime resources..

WHEEL technology (a floating hybrid solution) offers a new design for the challenges involved in developing wind farms in deep-water areas. Its structure facilitates hybridisation with other projects, such as aquafarming. The concrete used encourages the development of specific marine species, making it an ideal candidate for rig-to-reef programmes.

Design, modelling, testing, transport and installation in ©ELICAN project

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Another example of development based on territorial, architectural and energy development is the ACTIVE VILLAGE AND WELLNESS RESORT, an active-tourism centre in Gran Canaria,intended to strengthen a new model of high-quality, low-density tourism integrated into a high-value agricultural and natural environment, respecting the natural conditions and lay of the land, restoring the local landscape values and native vegetation and revitalising natural corridors, experimenting with a new eco-efficient energy model to be implemented elsewhere on the island, recovering in construction the wisdom of popular architecture and reusing local materials — in short, providing future visitors with an oasis of well-being, beauty and balance between man-made and natural environments.