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Signalling & systems

Supervision of signalling, communication, power systems and overhead lines.

Signalling & systems

Modern signalling and telecom systems are a precondition for safe, efficient traffic. RCS supervises the installation, testing and commissioning of signalling, telecommunications, power systems and overhead lines, and coordinates interfaces with civil works.

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

  • Electronic and relay interlockings
  • Level crossing protection systems
  • Automatic block and axle counters
  • ETCS and GSM-R readiness
  • Overhead contact lines and traction substations (electrification)
  • Telecommunication and information systems
  • Testing, commissioning and safety cases

Standards and regulation

EU and European standards

  • TSI CCS – Regulation (EU) 2023/1695
  • TSI ENE – Regulation (EU) No 1301/2014
  • EN 50126 / 50128 / 50129 (50716) – RAMS and system safety
  • EN 50119 and EN 50122 – overhead lines and protection
  • EN 50121 – electromagnetic compatibility

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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