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Sacyr and Wills Bros to build west apron vehicle underpass at Dublin airport (Ireland) for €265 Million

  • This contract involves the design and construction of an underpass from Dublin Airport’s Pier 3 to the West Apron in the centre of the airport airfield.

The Dublin Airport Authority (daa), the operator of Ireland’s two busiest international airports at Dublin and Cork, has awarded the contract to construct the new West Apron Vehicle Underpass at Dublin Airport to the Sacyr-Wills Joint Venture (SWJV). Both parties signed the contract yesterday evening.

The €265 million contract was awarded under an Airfield and Landside Civil Works Framework (Lot 2) agreement and marks a significant milestone in the airport’s long-term infrastructure development strategy.

The project, which is scheduled for completion by August 2030, will see the construction of a 1.1-kilometre subterranean twin-cell tunnel connecting Pier 3 at Dublin Airport to the West Apron. The underpass will pass beneath key operational areas including the Cross Runway (16/34) at Dublin Airport and four taxiways.

The underpass will provide a dedicated, segregated route for airside vehicles - such as cargo operators, fuel bowsers, tugs, loaders, steps, and catering trucks - between the remote West Apron and the Eastern Campus, where most airport services and facilities are located.

The proposed vehicle underpass, which is the first work order within the 5-year Airfield and Landside Civil Works Framework awarded to the JV, is a critical project for the safe and efficient operation of the airfield. The underpass is required to facilitate ongoing safe and reliable vehicle access between the remote West Apron and the Eastern Campus and reduce travel times for cargo and operations within the airport.

"We look forward to working together with daa to create improved access and safety on the airfield at Dublin Airport in a construction project that will help meet the needs of its more than 31 million passengers, whilst ensuring Dublin Airport can develop as a leading European and transatlantic hub,” commented Alejandro Mendoza, Director of Operations at Sacyr UK, Ireland and Sweden. 

Wills Bros and Sacyr were previously engaged in a joint venture as part of 'SWS Joint Venture' in delivering a 25km (£220 million) project to build the A6 Dungiven to Drumahoe highway, one of largest infrastructure projects built to date, and delivered for the Department for Infrastructure in Northern Ireland. 

Wills Bros is one of Ireland’s leading civil engineering companies, with headquarters in Foxford, County Mayo, and Dublin. The company operates across Ireland, the UK, and mainland Europe, delivering all projects in-house across a wide range of sectors.

Aidan McCaul, Contracts Director at Wills Bros “We are delighted to be awarded this critical project for the daa. As a family-run business with over 53 years of experience, our self-delivery model has enabled us to consistently deliver large and complex civil engineering projects across Ireland. With a dedicated office in the Dublin region, we’re proud to bring our proven capability and commitment to excellence to this important development for daa.”

The need for the underpass has become increasingly urgent following the opening of the new North Runway at Dublin Airport in August 2022. The Irish Aviation Authority has confirmed that apron vehicles can no longer cross Runway 16/34, which now serves as a primary taxiway. Without the underpass, vehicle access to the West Apron would be forced onto circuitous and inefficient routes, severely impacting time-critical operations such as cargo handling and general aviation.

The twin-cell design ensures operational resilience, allowing one lane to remain open in the event of maintenance or an incident in the other. The project also includes the reconfiguration of 23,700 sqm of the airport to accommodate layout changes and associated infrastructure works.

This investment underscores daa’s commitment to maintaining the highest safety standards while supporting future growth at Dublin Airport. The underpass will play a pivotal role in enabling the airport to grow to a projected capacity of 40 million passengers per annum and to accommodate the continued expansion of cargo and contingency operations on the West Apron.

Construction will be carried out using cut-and-cover techniques, with a full traffic management plan in place to minimise disruption to airport operations and the local community.

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Roads that think: this is how our mobility is changing

Making roads "think" is the vision of the Iconica project, an example of how new technologies (IoT, Big Data, Apps, Artificial Intelligence, Machine Learning) improve safety and change infrastructures and the way we use them.

The project, funded by the Science and Innovation Missions Programme (CDTI), is being carried out by a consortium led by SisTem and with the participation of Sacyr Conservation, Alsa, Vodafone, Anteral and Grupo Infonorte. With a budget of four million euros, it was launched in October 2024 and will last until December 2025.

A safer, more connected and smarter road

Iconica's objective is clear: to transform road infrastructure into active components of mobility.

To this end, the consortium is working on solutions that:

•    Improve road safety through smart and predictive technologies.
•    Facilitate real-time communication between vehicles and infrastructure over 5G networks.
•    Integrate elements such as intelligent beacons, capable of transmitting alerts or even modifying the use of lanes depending on traffic.
•    Increase the protection of vulnerable users, such as roadside workers, through their geolocation and communication to digital navigation platforms.

The role of Sacyr Conservation

Within the Iconica project, Sacyr Maintenance leads two key lines of research. On the one hand, it develops IoT geopositioning devices to signal temporary or mobile works, which will be integrated into the STEP (Safer Transport for Europe Platform) platform.

Secondly, it investigates flexible beacons, which allow additional lanes to be opened or closed remotely, based on traffic prediction algorithms that use data from the infrastructure and the connected vehicles themselves.

"We already have a prototype of beacons installed in a project in Huelva to study their resistance to the passage of heavy vehicles and the effects of heat, rain and dust," explains Álex Otero, innovation project manager at Sacyr Engineering and Infrastructures.

Iconica is integrated into Vodafone's STEP mobility platform, which centralizes data and informs drivers about incidents on the road, such as workers, objects on the side of the road or stationary machinery.

The data and incidents collected are communicated to STEP and also shared with DGT 3.0 (Spanish Traffic Authority), which makes it possible for applications such as Google Maps, Waze or Here to alert drivers of possible risks on their route.

Another of Sacyr Conservation's lines of work focuses on traffic modelling and prediction. The behavior of traffic on the A-3 is currently being analyzed with the aim of planning works, causing as few disruptions as possible to users and anticipating traffic jams.

"The most important thing for Sacyr Conservation is to improve safety and protect people who work on the road, geolocate them and alert drivers in real time," adds Álex Otero.

Sustainability reporting, a new context

Patricia Muñoz Pequeño
Sustainability Manager
Strategy, Innovation and Sustainability Division

 

In hindsight, sustainability reporting has undergone significant changes in recent years. Gone are the days when companies like Sacyr, with unwavering commitment and sensitivity to these issues, voluntarily provide information relevant to their ESG strategies and performance using internationally recognised frameworks, with GRI at the forefront.

With the adoption of the Non-Financial Reporting Directive (NRFD) in 2014, and its Spanish transposition in Law 11/2018, sustainability reporting became a legal obligation and, since that time, the importance of these reports has only grown.  

In 2023, with the goal of defining a clear framework for sustainability reporting that would ensure the quality of the information published, data comparability, and the consistency of the information shared by companies, the European Union approved a new Corporate Sustainability Reporting Directive (CSRD) with common reporting standards known as the European Sustainability Reporting Standards (ESRS).

But misgivings and opposition to this new regulation soon arose from the private sector; first, due to the technical complexity and breadth of its requirements and the difficulty of implementing them, highlighting the need for further clarification in certain areas, as well as greater flexibility in their application. 

Secondly, the smaller companies affected expressed doubts about their capacity to comply with this new regulation using their own resources and the potential damage that would be caused by the additional costs required for this purpose. 

The foregoing is paired with a deeper reflection on the part of the European Union; in a complex international environment facing major global changes, ensuring the autonomy, competitiveness, and resilience of the European economy without abandoning the sustainability commitments it has made, has become more crucial than ever.  

This has prompted the EU to redefine its roadmap, while keeping its ambition intact, as demonstrated by i) the strategy of the Green Industrial Deal, designed to strengthen the competitiveness of European industry while accelerating decarbonisation, and ii) the Omnibus Package, the main objective of which is to reduce the administrative burden on companies when reviewing various sustainability regulations, without renouncing the principles of the European Green Deal. 

From a reporting perspective, the Omnibus Package affects CSRD requirements as follows: 

-    Simplification of standards, reducing the number of requirements and providing greater technical clarity in their application. These texts are expected to be available in Q4 of 2025. 
-    Two-year postponement of entry into force for companies, allowing more time to adapt. 
-    Redefinition of application thresholds, excluding listed SMEs and modifying the ranges for the rest. 
-    Maintenance of limited assurance, eliminating the possibility of reasonable assurance in the future.  

In short, 2025 marks a turning point in this area, reflecting the European Union’s commitment to moving toward a more sustainable economy without jeopardising business competitiveness.  

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