Table 1
The criteria considered in the case study.
Family A: Costs of infrastructure (acquisition, installation and construction)
A.1 Costs of conduits (pipes and accessories need for the installation)
A.2 Costs of installation (pavement removal, opening ditch, close ditch, pavement restore)
A.3 Creation of new streets (according to Portuguese laws the conduits should be located along streets)
A.4 Costs of new reservoirs and reinforcement of water elevation stations Family B: Operating and maintenance costs
B.1 Costs of operating during the life of the project (e. g. energy) Family C: Profitability of the investment