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Extended period simulation (EPS) modelling of urban water distribution network

OC Izinyon
BU Anyata


A WaterCAD hydraulic network model of the existing Ikpoba Hill Benin City
Water distribution network was constructed, calibrated and validated for extended period simulation studies using the network’s physical, operational, calibration and validation data. The model was then applied to evaluate: (i) effects of fluctuating water demand on system storage over 24 hour period and (ii) level of service and storage conditions during and following an emergency condition e.g. fire. Our results indicate that the existing system storage capacity (276m3) is inadequate to meet operational, emergency and fire requirements for the present and future needs of the system. However, increasing the existing system storage capacity to 1300m3 at the same Hydraulic Grade Line (HGL) will meet the system demand up to 2015.

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eISSN: 1116-4336