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Tunnels

Consulting and supervision of tunnel excavation, support, lining and associated infrastructure.

Tunnels

Railway tunnels are among the most demanding structures on a line. RCS provides consulting and construction supervision for excavation, support, waterproofing and lining, as well as safety equipment and associated infrastructure, with a focus on geotechnical supervision and safety.

What RCS does across the project phases

Planning & design review

Review of design documents, feasibility, phasing and costs before tendering.

Tender documentation

Procurement documents, bills of quantities, estimates and bid evaluation support.

Project management

Scheduling, cost control, changes, claims and investor reporting.

Construction supervision

Quality, quantity and schedule control, testing and defect management on site.

Safety & HSE

Works under live traffic, possessions, health, safety and environment.

Handover

Final inspection, acceptance, as-built documentation and contract close-out.

Typical scope

  • Excavation, primary support and stabilisation
  • Waterproofing, drainage and final lining
  • Geotechnical monitoring
  • Renewal and rehabilitation of existing tunnels
  • Track, overhead line and installations in tunnels
  • Safety systems, exits and evacuation equipment
  • Spoil and environmental management

Standards and regulation

EU and European standards

  • TSI SRT – safety in railway tunnels, Regulation (EU) No 1303/2014
  • EN 1997 (Eurocode 7) – geotechnical design
  • EN 1992 (Eurocode 2) – concrete structures
  • EN 206 – concrete
  • Fire safety and evacuation requirements

Croatian regulation and infrastructure manager

  • Croatian Building Act and Physical Planning Act
  • Croatian Railway Act
  • Act on Safety and Interoperability of the Railway System
  • Public Procurement Act (ZJN 2016) and Occupational Safety Act
  • Rules and technical conditions of HŽ Infrastruktura d.o.o., the Croatian infrastructure manager

Indicative list; current versions of regulations and the client's requirements apply.

Planning a project?

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