1) Canal intakes 2) Chutes or drops 3) Outlet 4) Culverts or tunnels 5) Checks 6) Turnouts 7) Wasteways 8) Drainage culverts 9) Settling basins 10) Sand traps | are used | a) to divert flow from the main canals to smaller distribution ones. b) to regulate the flow in the canal. c) to accumulate sediment and to sluice it from a canal. d) to avoid excessive slope in the canal. e) to carry water through the obstructions. f) to convey water through a highway cut. g) to prevent entering excess storm water to a canal. h) to dissipate excessive kinetic energy. i) to raise the upstream water level to permit water diversion. j) to collect and to return back sediment to a river. k) to return excess water to the stream and to sluice sediment from a canal. |
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