Calabria: hydro-geological risk protection in building works

Recent events make it clear that protection against hydro-geological risks must be a key parameter for the approval of building works. In addition to analysing the construction terrain and consulting hazard and risk maps as soon as the construction site is opened, installing a monitoring system can be useful.

This is what is being carried out in the area where the future Hospital of Vibo Valentia (VV) will be constructed. Here, for Guerrato S.p.A., CAE will install a system to measure rainfall and water level parameters in the rainwater drainage network, which is useful to verify the performance of that drainage network and to generate alert messages in relation to rainfall and water level thresholds so that the site managers can implement safety procedures if working areas and times are in danger of being compromised.

The system consists of two stations with Compact data loggers equipped with ULM30 ultrasonic hydrometers to verify that the drainage and lamination functions of the newly constructed drainage network are working properly, and to assess the outflows passing through the main line. In addition, for each hydrometric measuring section, a hydrometric rod is provided to manually and visually measure the hydrometric level in different hydrological conditions (lean, soft, full). The system also includes a PG10 rain gauge to manage the pre-alert phases set out in the emergency plan and a camera to visually monitor the channels.

All data produced by the system at the monitoring points can be viewed and managed directly from the control centre, thanks to the CAE software suite comprising Aegis, Datalife and Sentry, which allows even complex alarms to be set.

To maximize continuity of the monitoring activity, CAE will provide 12 months of maintenance from system activation.


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