Irrigation Engineering
The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in

super passage and canal syphon
level crossing
aqueduct and super passage
aqueduct and syphon aqueduct

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Irrigation Engineering
For designing the venturi head,

Width of the throat should not be less than one-third of the bed width of main canal
All listed here
Minimum throat width should not be less than 60 cm
Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal

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