Case Study
The Thessaloniki metro: a cutting-edge project by Engineering
The Thessaloniki metro is one of the most important infrastructure works for urban mobility in Greece and its realisation required a high-level engineering approach.
Where: Greece
Where: Greece
Challenge
ATTIKO METRO S.A., the public body responsible for managing the project, was faced with numerous challenges: construction in a complex urban and archaeological context, the need to meet stringent European standards, challenging completion schedules, and ensuring maximum safety and technological reliability to offer passengers a modern and safe travel experience.
Approach
To meet the demands of managing technical complexity, safety, and challenging schedules, Engineering adopted a methodological approach based on the IEC 61503 standard, specifically for functional safety in automation systems. This framework enabled the design of a SCADA system that monitors and controls all critical metro operations, including ventilation, lighting and signalling.
The project consisted of:
1. Requirement analysis and identification of the functional specifications of the SCADA system based on requirements, system integration in a complex urban environment, design based on functional safety (IEC 61503).
2. Risk assessment: identification of potential failures and their consequences on the system, design of controls, redundancy and fail-safe.
3. Multidisciplinary coordination and integration with technicians, civil engineers and suppliers.
4. Implementation of a customised SCADA system capable of real-time monitoring and control of all critical operations (e.g. ventilation, lighting, signalling).
In the project, we relied on our main partner Schneider Electric Italia to supply the field technology.
Results
Improved operational reliability of the metro
Reduced maintenance risks and costs
Satisfaction of customer needs within the required deadlines
Impacts
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