In the negotiated procedure public tender published in awarding of the daytime, night-time, week day, weekend and holiday emergency response for maintenance of networks and re-establishment of water, sewer, gas and district heating connections service throughout the entire area managed by Hera S.p.A., for an annual tender amount estimated as Euro 28 million, of the 60 points reserved for the technical component, 27 points were reserved for social sustainability (staff training on safety, first aid and fire fighting, training with regard to locations suspected of pollution or bordering areas, personnel qualified for asbestos work measures, possession of OHSAS 18001 certification, accident rate) and 8 points were reserved for environmental sustainability (environmental impact of the equipment and possession of ISO 14001 certification).