Construction of infrastructural works for the mitigation of hydraulic risk, Municipality of Aci Castello, Metropolitan City of Catania, with the program “Green Infrastructures to mitigate FLood risks in Urban and sub-urban areas and to Improve the quality of rainwater Discharges – GIFLUID” INTERREG V-A ITALIA-MALTA 2014-2020. Collaboration between the Hydraulic and Land Section Team of the Di3A of Catania with external technicians and professionals: laborArch, CSEI Catania, EWA, Sicilian Region, Municipality of Aci Castello, Municipality of Rabat, and many others.