Table 4.
Measure | Size | Benefits | Costs | BC ratio |
---|---|---|---|---|
Green wall, 3 m façade opening | 58 m2 | |||
Investment costs | 3,301 | |||
Maintenance costs | 1,450 | |||
Noise attenuation benefits | 1,932 | |||
Amenity/aesthetic benefits | 4,234 | |||
Total | 6,166 | 4,751 | 1.30 | |
Green wall, 19.2 m façade opening | 369 m2 | |||
Investment costs | 20,999 | |||
Maintenance costs | 9,225 | |||
Noise attenuation benefits | 1,761 | |||
Amenity/aesthetic benefits | 29,674 | |||
Total | 31,435 | 30,224 | 1.04 |