The following details pertain to the crossing of a canal with a natural drain.
Full supply level in canal = RL 213.5 m
Bed level of canal = RL 212 m
High flood level in drain = RL 210 m
Considering the given details, which type of cross drainage work is best suited to the site?
1
Aqueduct
2
Super passage
3
Syphon aqueduct
4
Syphon