Select the correct statement regarding cross drainage works from the following:

Identify the type of cross drainage work in which the canal is carried over the natural drainage, and the High Flood Level (HFL) of the drainage is higher than the bed level of the canal.

If the bed level of a canal and the high flood level (HFL) of a river have Reduced Levels (RL) of 110 m and 111.0 m respectively, then this type of cross drainage work is called a/an ________. (Assume the river bed level is lower than that of the canal)