Table 1.
Historical evolution of Bric Zerbino and Sella Zerbino design projects.
| Measure units | 1898 | 1912 | 1921 | January 1924 | May 1924 | 1925 | 1926 | |
|---|---|---|---|---|---|---|---|---|
| Maximum w. el. | m a.s.l. | – | – | 322 | 323 | 323 | 323 | 323 |
| Normal w. el. | m a.s.l. | 313 | 316 | 320 | 322 | 322 | 322 | 322 |
| Flood spillways capacity | m3/s | 400 | n. a. | 553 | 1000 | n. a. | 815 | 865 |
| Live storage | hm3 | 9.5 | 12.25 | 16.15 | 16.15 | 18 | 18 | |
| Bric Zerbino height | m | 33 | 40 | 45.5 | 45.5 | 45.5 | 47 | 47 |
| Sella Zerbino height | m | 1 | 10 | 14 | 14 | 14 | 14.5 | 14.5 |