Scenarios Comparison

# Parameter Baseline Scenario 1 Scenario 2 Scenario 3 Scenario 4
1 Impervious areas and roofs (m2) 2542.26 1884.56 1556.96 1580.56 1580.56
2 Roof permeable pavement (m2) - 184.0 184.0 184.0 184.0
3 RWH Roofs (m2) - 350.7 678.3 350.7 350.7
4 Impervious surfaces (m2) 2542.26 2419.26 2419.26 2115.26 2115.26
5 Impervious surfaces baseline scenario (m2) 2542.26 2542.26 2542.26 2542.26 2542.26
6 Total site surface (m2) 3177.26 3177.26 3177.26 3177.26 3177.26
7 Impervious Surfaces (%) - CI-55 (ENV) 80.01 76.14 76.14 66.57 66.57
8 Pre-existing green surfaces (m2) 635.0 635.0 635.0 635.0 635.0
9 Green roof (semintensive type) area (NBS1a) (m2) - 45.0 45.0 45.0 45.0
10 Green roof (extensive type) area (NBS1b) (m2) - 79.0 79.0 113.7 113.7
11 Planters (NBS2) (m2) - 6.0 6.0 6.0 6.0
12 Green Shelter area (NBS3) (m2) - - - 269.3 269.3
13 Total green NBS area (m2) 0.0 130.0 130.0 434.0 434.0
14 Total Green Area (m2) 635.0 765.0 765.0 1069.0 1069.0
15 Green Surfaces/Spaces (%) EI-67 (URB) / CI-66 (ENV) 19.99 24.08 24.08 33.65 33.65
16 Total NBS Area (m2) 0.0 308.0 308.0 612.0 612.0
# Parameter Baseline Scenario 1 Scenario 2 Scenario 3 Scenario 4
1 Average annual water demand Green roof (NBS1) (m3/year) - 58.37 58.37 74.7 74.7
2 Average annual Potable water Green roof (NBS1) (m3/year) - 25.2 19.59 38.68 38.68
3 Average annual Rainwater Green roof (NBS1) (m3/year) 0 33.17 38.77 36.02 36.02
4 Average annual water demand Planters (NBS2) (m3/year) - 2.22 2.22 2.22 2.22
5 Average annual Potable water Planters (NBS2) (m3/year) - 2.22 2.22 2.22 2.22
6 Average annual water demand Green Shelter (NBS3) (m3/year) - - - 126.8 126.8
7 Average annual Potable water Green Shelter (NBS3) (m3/year) - - - 43.03 68.94
8 Average annual Grey water Green Shelter (NBS3) (m3/year) 0 0 0 83.78 57.87
9 Average annual water demand Total NBS (all NBS) (m3/year) - 60.59 60.59 203.73 203.73
10 Average annual Potable water Total NBS (all NBS) (m3/year) - 27.42 21.82 83.93 109.84
11 Average annual Green water Total NBS (all NBS) (m3/year) - 33.17 38.77 119.8 93.89
12 NBS 1 Water Autonomy (%) - 56.83 66.43 48.22 48.22
13 NBS 3 Water Autonomy (%) - - - 66.07 45.64
14 Site NBS Water Autonomy (%) - EI-45 (ENV) 0 56.83 66.43 59.45 46.59
# Parameter Baseline Scenario 1 Scenario 2 Scenario 3 Scenario 4
1 Average total site annual Potable Water Consumption (m3/year) 1200.32 1227.62 1222.01 1284.13 1155.74
2 Total Green water used on site (m3/year) 0.0 33.17 38.77 119.8 248.18
3 Water Reuse (%) - EI-46b (ENV) 0.0 2.7 3.17 9.33 21.47
4 Average total site annual Potable Water Consumption baseline scenario (m3/year) 1200.32 1200.32 1200.32 1200.32 1200.32
5 Potable Water Savings (%) - EI-46a (ENV) 0.0 -2.27 -1.81 -6.98 3.71
6 Average annual rainfall volume (m3/year) 875.81 875.81 875.81 875.81 875.81
7 Average annual runoff volume (m3/year) 623.98 575.55 569.95 503.3 503.3
8 Runoff coefficient (%) - EI-50 (ENV) 71.25 65.72 65.08 57.47 57.47
9 Average annual runoff volume baseline scenario (m3/year) 623.98 623.98 623.98 623.98 623.98
10 Stormwater treated/managed locally (%) - EI-48b (ENV) 0.0 7.76 8.66 19.34 19.34
11 Average annual wastewater volume (m3/year) 1115.0 1114.88 1114.88 1031.06 902.72
12 Average annual wastewater volume baseline scenario (m3/year) 1115.0 1115.0 1115.0 1115.0 1115.0
13 Wastewater treated/managed locally (%) - EI-48a (ENV) 0.0 0.01 0.01 7.53 19.04
14 Energy Consumption (kWh/year) - EI-44 (ENV) 0.0 1.87 1.87 216.07 224.0