In the open procedure public tenders relating to the service for the valorisation of waste by means of mechanical/manual selection and mechanical handling care of the Voltana Lugo (RA), Coriano (RN), Mordano (BO) and Ferrara selection and recovery plants run by Herambiente SpA, for a total tender amount of around Euro component, 6 were dedicated to environmental sustainability (training measures on environmental aspects for the operations manager and ISO 14001 environmental certification), 48 to social sustainability (accident & injury rate trend, OHSAS 18001 safety certification, monthly visit of the company PPSR, weekly cleaning and sanitation of the work clothing, induction of individuals facing social hardship), and 6 points for other technical aspects (professional experience).