Assignment of the UPDATING OF THE EXECUTIVE DESIGN, WORK MANAGEMENT AND SAFETY COORDINATION for INTERVENTION TO REDUCE HYDROGEOLOGICAL RISK IN THE LOCATION’ MAIONE - Extract plan 2019 Soil defense interventions referred to in the Prime Minister's Decree of 20 February pursuant to CIPE resolution no. 35/2019 – rendis code 18R4277 / G1. Liquidation of technical skills, executive design and CSP