## 4 Methods
### Elaboration of the Data and Determination of the Weights of the Indicators and Sub-Indicators
\begin{table}
\begin{tabular}{l c c} \hline \hline  & **Weight** & **Percentage** \\ \hline
**1. Naturalistic and landscape integration** & **1** & **12\%** \\ \hline
1.1 Conservation of habitats in the area & 1 & 12\% \\ \hline
**2. Green areas design** & **1** & **7\%** \\ \hline
2.1 Using native species with low allergen pollens & 0.23 & 1.61\% \\
2.2 In the case of species with moderate to high allergenic power, favour female plants, sterile or with entorhophilous pollination & 0.23 & 1.61\% \\
2.3 Avoid stinging or spiny species & 0.07 & 0.49\% \\
2.4 Use deep-rooting herbaceous species in the case of steeply sloping green areas & 0.23 & 1.61\% \\
2.5 Do not use tree species with fragile roots, stems or foliage. & 0.23 & 1.61\% \\ \hline
**3. Soil consumption reduction and maintenance of soil permeability** & **1** & **13\%** \\ \hline
3.1 Avoiding the construction of new buildings or the extension of existing buildings in protected areas & 0.07 & 0.91\% \\
3.2 Permeability land area of not less than 60\% of the project area not built & 0.17 & 2.21\% \\
3.3 Area to be allocated to green areas equal to at least 40\% of the project area not built on and 30\% of the total area of the lot & 0.24 & 3.12\% \\
3.4 In public green areas, at least 40\% tree cover and at least 20\% shrub cover with native species must be guaranteed. & 0.24 & 3.12\% \\
3.5 Use of drainage materials for pedestrian and vehicular urban areas & 0.21 & 2.73\% \\
3.6 In the execution phase, the realization of a surface scotic of at least 60 cm must be envisaged. & 0.07 & 0.91\% \\ \hline
**4. Conservation of morphological characters** & **1** & **7\%** \\ \hline
**4.1 Maintenance of existing morphological profiles** & 1 & 7\% \\ \hline
**5. Energy supply from renewable sources** & **1** & **12\%** \\ \hline
5.1 Construction of cogeneration/trigeneration plants & 0.166 & 2\% \\
5.2 Installation of photovoltaic parks & 0.166 & 2\% \\
5.3 Installation of solar thermal collectors for domestic hot water heating & 0.166 & 2\% \\
5.4 Installation of low-enthalgy geothermal systems & 0.166 & 2\% \\
5.5 Installation of heat pump systems & 0.166 & 2\% \\
5.6 Installation of biomass systems & 0.166 & 2\% \\ \hline
**6. Reduction of the impact on the microclimate and air pollution** & **1** & **13\%** \\ \hline
6.1 Use plant species with CO\({}_{2}\) absorption capacity for green areas & 0.30 & 3.9\% \\
6.2 Use permeable materials for pedestrian and driveway areas with an SRI Index of at least 29 & 0.20 & 2.6\% \\
6.3 Use of garden roots should be preferred for roofs. & 0.25 & 3.25\% \\
6.4 For roofs other than garden roofs, materials with an SRI index of 29 for slopes greater than 15\% and 76 for slopes less than or equal to 15\% must be used. & 0.25 & 3.25\% \\ \hline
**7. Reduction of the impact on the surface and underground river basin system** & **1** & **11\%** \\ \hline
7.1 Preserve and/or restore the naturalness of river ecosystems, river beds and their riparian belt, excluding the release of unparticle effluents. & 0.23 & 2.53\% \\
7.2 Ordinary and extraordinary maintenance through the removal of waste and woody material deposited along the riverbed and in the ditches & 0.20 & 2.2\% \\
7.3 Realize plants for the purification of first rain water from draining surfaces subject to pollution & 0.17 & 1.87\% \\
7.4 Carry out interventions to prevent or prevent phenomena of compaction, landslides or floods & 0.20 & 2.2\% \\
7.5 Controlling the release of pollutants into the soil and subsoil & 0.20 & 2.2\% \\ \hline
**8. Primary infrastructure** & **1** & **8\%** \\ \hline
8.1 Road system (Interventions for parking areas) & 0.17 & 1.36\% \\ \hline
8.1.1 Coverage with suitable mass equal to at least 10\% of the gross area & 0.051 & 0.41\% \\
8.1.2 The perimeter shall be bounded by a green belt at least 1 m high and more than 75\% opaque. & 0.034 & 0.27\% \\
8.1.3 Creating roofs with photovoltaic shelters to serve the lighting system of the car park & 0.0425 & 0.34\% \\
8.1.4 Provide space for motorcycles, mopeds and bicycle racks based on the number of potential inhabitants & 0.0425 & 0.34\% \\ \hline
**8.2 Collection, purification and reuse of rainutter** & 0.19 & 1.52\% \\ \hline
8.2.1 Create a system for the purification and de-oiling of water coming from polluting surfaces according to UNI/TS 11,445 standard for the reuse for irrigation purposes or to feed the storage boxes of toilets & \\ \hline
8.3 Public green areas irrigation network & 0.17 & 1.36\% \\ \hline
8.3.1 Use drip irrigation systems powered by renewable energy sources designed according to UNI/TS 11,445 & \\ \hline
8.4 Material and waste collection and storage areas & 0.14 & 1.12\% \\ \hline
8.4.1 Establishing areas for local separate collection & 0.17 & 1.36\% \\ \hline
8.5.1 Designing a public lighting system in compliance with the requirements of the CAM document & \\  “Lighting” issued by the Ministerial Decree of 23 December 2013 & \\ \hline
8.6 Subercives/channels for technological infrastructures & 0.17 & 1.36\% \\ \hline
8.6.1 Creating channels to place all technological networks for proper management of underground space & \\ \hline \hline \end{tabular}
\end{table}