International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



(4100) Cross drainage
The works (culverts, syphons, sluices, regulators) that are constructed to facilitate crossings of manmade canals, roads, railway embankments over the channelised water, or e.g. flow of excess water, groundwater, flood water natural stream, or waters originating from bank over spill of rivers, or from stream surges at Sea.

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