Case Study

Complete control of chemical risk in a high-hazard environment

Complete visibility of hazardous substances across complex operations

Centralized chemical data for faster, safer decisions

Improved oversight leads to safer outcomes.

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Case Study
August 5, 2025

Implenia is leading the tunnel excavation phase of Stockholm’s Blue Line expansion. The expansion project is the creation of 18 new metro stations and 30 kilometers of new tracks. The estimated cost of the entire project is 54 billion SEK ($5.6 billion).

Operating in demanding underground conditions, the project requires robust hazardous substance management to protect workers and maintain safe operations.

With EcoOnline’s Chemical Manager, Implenia has established a more proactive approach to chemical safety. The team can manage risk more effectively, maintain compliance, and support the safe, efficient delivery of a major infrastructure project.

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EcoOnline gives us the control we need over chemical safety. Everything is documented and easily accessible, so we can be confident that every chemical is assessed and managed responsibly.

Petra Jillhag Dahlén
Environment Coordinator, Implenia

Complete visibility of hazardous substances

In 2011, Implenia implemented EcoOnline’s Chemical Manager to centralize chemical management across its infrastructure projects. The platform gives workers instant access to safety data sheets, risk assessments, and emergency response information through mobile-friendly tools, including QR codes.

Greater control in a high-risk environment

EcoOnline gives Implenia complete visibility of hazardous substances across the project. Workers can quickly access critical safety information, while the team uses risk assessments and real-time data to strengthen compliance, improve chemical safety, and support responsible environmental management.

Combined with ongoing training and awareness programmes, the platform helps maintain a proactive approach to risk in one of Sweden’s largest infrastructure projects.

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Supporting safe project delivery at scale

EcoOnline helps Implenia maintain control of hazardous substances, strengthen compliance, and protect workers throughout the project. With trusted safety processes in place, the team can focus on delivering this major infrastructure project safely, efficiently, and sustainably.