Design of inundation canals

DESIGN CONSIDERATION OF INUNDATION CANALS The head regulator should be installed a few kilometers D/S of the off-take point. This measure would eliminate the risk of the head regulator being washed away. As escape should be located D/S of the head regulator and escape channel should be joined to the river D/S. If more water enters the canal at the off-take point it can be taken out through the escape. In order to reduce the chances of silting of the canal. The flood regulator should be provided with vertical lift gates that could be lifted in stages. The full supply level of the canal should be fixed at a level at which the river water is more or less steady for a period of 40—50 days. which the canal can be run full to irrigate the lands. This steady level of water in the river is called fair irrigation level.…

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