Indoor Tracking in Tunnels

Tunnel works are risky because the work environment is characterized by difficult or limited access and egress, poor lighting conditions and potentially unfavorable climatic conditions. Further risk factors that can be found particularly in tunnel construction are dust, noise and the use of heavy machines and tools.

Indoor tracking can be used during construction, maintenance and cleaning of tunnels. Tracking solutions by infsoft provide real-time location information on people, equipment and vehicles. This increases the overall safety of the workplaces in tunnels. At the same time, the implemented technology facilitates an efficient coordination of work processes.

Features for Tunnels


Increased safety in tunnels
The tracking of workers during construction, maintenance and cleaning of tunnels ensures increased personnel safety. In case of an accident, the person affected can be located via indoor tracking. Furthermore, mechanisms can be configurated that inform the control center whenever a worker or a vehicle enters or exits a defined area.
During an emergency like a fire or the emission of dangerous gases it is crucial to evacuate all people who are located in the tunnel. Tracking solutions by infsoft enable fast and targeted search and rescue operations.

In addition to positioning sensors, it is possible to install condition sensors that can detect the presence of specific gases and monitor changes of the air quality. The system warns the workers when dangerous gases are sensed or the air quality is poor. This allows a timely evacuation and health damages can be avoided.


Efficient coordination of work processes
Indoor tracking of personnel, equipment and vehicles facilitates an efficient coordination of work processes. Locating workers allows an effective and efficient deployment of personnel. It can be ensured that workers are only assigned to areas or undertake tasks for which they have sufficient training and authorization. Tasks and alerts can be automatically generated and transmitted to a worker's smartphone if desired. In addition, vehicles and equipment can be tracked and thereby coordinated efficiently.
At the same time, tracking solutions can help reduce traffic problems. When maintenance and cleaning of tunnels is done efficiently, impact on traffic is being minimized and possible road closures can be removed in a timely manner.

teaser infsoft use case tunnel
Examples of Use:
Tracking of Cleaning Vehicles and Personnel in a Tunnel
Asset and Personnel Tracking in Tunneling
Positioning and Evacuation in the Mining Industry

Technical Implementation

The existing technical infrastructure can directly be used in many cases. Depending on the requirement, the operator choses a client-based (app is necessary, positioning via Wi-Fi, Bluetooth beacons and sensor fusion, including a back channel) or a server-based solution (no app required; positioning via infsoft Locator Nodes; detection of Wi-Fi devices, Bluetooth beacons, Ultra-wideband or RFID modules; no back channel available). High-precision solutions with low latencies can be implemented on the basis of Ultra-wideband (UWB). The use of RFID is suitable for a point-specific object identification with high unit numbers.
Indoor navigation software by infsoft can be implemented in existing applications, websites and hospital information systems. The accuracy is – depending on the technical realization – up to ten centimeters or less.

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