A multilevel method to manage the complexity of the sustainable construction works

The purpose of the research described in the paper is a contribution to the definition of methods and tools for the management of sustainability in construction works, supporting decisions by the actors of the construction process involved in the decision making stages (i.e. public and private managers, designers, developers, policy makers). The paper reports on the research, adopting a multi-scale and multilevel approach in a life cycle perspective, focused on the development of inductive, logical / operational guidelines. The author shows an original interdisciplinary way to manage the complexity of a case study, where to any alternative of operation are associated aspects/impacts/performances, described by indicators connecting the building with different territorial scales.