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MetroLink Utilities Framework Signals Next Phase of Dublin’s Major Tunnelling Programme

02/04/2026

Transport Infrastructure Ireland (TII) has issued contract notices for the M14 Utilities and Enabling Works Framework, marking a significant step forward in the delivery of Dublin’s MetroLink – a project that will include approximately 11.7km of underground tunnelling.

While the M14 framework does not directly cover tunnelling works, it represents a critical precursor to the main underground construction packages and provides a clear indication of procurement momentum across the programme.

Major Enabling Framework Launched

The M14 framework, procured under the NEC4 Framework Contract, has an estimated value of approximately €800M and will run for an initial four-year period, with options to extend up to 12 years.

The framework is divided into five lots covering:

  • Land access and site possession
  • Demolition and site clearance
  • Archaeology and heritage works
  • Utilities diversion
  • Landscaping and general civils

These works form part of the wider M100 Advanced Works Programme and are essential to preparing the route for subsequent major infrastructure contracts.

Clearing the Path for Tunnelling

For the tunnelling sector, the significance of the M14 framework lies in its role in de-risking and enabling the main underground works.

Activities such as utilities diversion, ground investigation, demolition, and site clearance are fundamental to:

  • Establishing tunnel alignments
  • Preparing shaft and station box locations
  • Reducing interface risks prior to TBM launch

As such, the framework effectively represents the first major delivery phase ahead of the primary tunnelling and heavy civils packages.

Procurement Pipeline and Next Steps

The MetroLink programme is being delivered through a structured procurement model, with M14 forming part of a wider pipeline:

  • M14 – Utilities and enabling works (now tendering)
  • M100 – Advanced works programme (rolling delivery)
  • M400 – Main civils and tunnelling contracts (anticipated next phase)
  • M500 – PPP/service delivery partner (future phase)

Although no awards have yet been made under the M14 framework, earlier procurement activity has already seen the appointment of contractors under an archaeology qualification system, demonstrating ongoing mobilisation.

The forthcoming M400 contracts are expected to include the principal tunnelling works, covering bored tunnels, station boxes, and associated underground infrastructure.

Market Implications

The scale and duration of the M14 framework highlight the long-term nature of the MetroLink programme and provide an early entry point for contractors seeking involvement in Dublin’s first fully automated metro system.

For tunnelling specialists, the framework signals that:

  • Enabling works are now moving into delivery
  • Site readiness activities are advancing
  • Procurement of major underground packages is approaching

With 19km of route planned, the majority of which will run underground, MetroLink represents one of the most significant tunnelling opportunities in Europe in the coming years.

Looking Ahead

As enabling works progress, attention will increasingly turn to the release of the main tunnelling contracts. The transition from early works to heavy civils will be a key milestone, defining the pace and structure of delivery for the underground sections of the scheme.

For now, the launch of the M14 Utilities and Enabling Works Framework confirms that Dublin’s MetroLink has entered a decisive phase—one that brings the project closer to the start of large-scale tunnelling operations.

Further information on the framework and MetroLink programme can be found on the official project website, while companies wishing to participate in the procurement must register via the MetroLink eSourcing portal, https://metrolink.app.jaggaer.com/. 14/26.



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