In the open procedure for the awarding of the manual road sweeping service, collection of municipal waste via vehicles and running of collection centres in the area of the province of Ravenna, for a tender amount of around Euro technical aspects, 22 were assigned to environmental sustainability (environmental impact and age of the vehicles used and ISO 14001 environmental certification), 48 to social sustainability (OHSAS 18001 safety certification, SA 8000 social responsibility certification and induction of individuals facing social hardship).