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Measurement and modelling the drainage coefficient for hydraulic design criteria on residential area

The incompatibilities of urban or residential area's drainage channel construction with design criteria were often found caused by the difficulties in designing drainage channel. This research aims to measuring drainage coefficient and modeling drainage channel's hydraulic design criteria in residential area. The model hydraulic design criteria of residential drainage system was able to be developed into nomogram. The width and height of channel can be determined using the nomogram according with the runoff. The residential drainage coefficient value was 0.28 m3/s.ha at 0–2 % slope and 162.9 mm design rainfall condition.