The construction of the water diversion, water diversion canal or new lines connected to river flooding that principle. To divert water flowing in the water directly from the river, most of which have not overflowed its banks in the river was flowing normally. This approach will be built to control and enforce water. Linked to the mouth of the River Main. And in case of diversion all along the water at the new dig. Should be excluded from the new waterway dug waterway. The area where the river is curved and the water level of the canal will be on par with the original stream-bed at least. After closing the waterway.