1. Faculty of Engineering and Built Environment Department of Electrical Engineering 1 Faculty of Engineering and the Built Environment Department of Mechanical Engineering METHODS FOR THE OPERATION AND PLANNING OF WATER DISTRIBUTION NETWORKS Yskandar Hamam Professor Department of Electrical Engineering December 3, 2015

2. Faculty of Engineering and Built Environment Department of Electrical Engineering A small leak will sink a great ship” Benjamin Franklin 2

3. Faculty of Engineering and Built Environment Department of Electrical Engineering 3 PROBLEMS IN WDN Problems may be classified into 3 classes Short-term problems These problems arise in the daily management of the network. Medium-term problems These problems that arise in the management of the network that are not diurnal Long-term problems These are problems that are related to the future of the network

4. Faculty of Engineering and Built Environment Department of Electrical Engineering 4 SHORT-TERM PROBLEMS Calibration (parameter estimation) Pumping scheduling Optimal operation Leakage and pressure management Water security and event detection (contaminants intrusion and source detection) Demand prediction (stochastic features or uncertainty)

5. Faculty of Engineering and Built Environment Department of Electrical Engineering 5 MEDIUM-TERM PROBLEMS Maintenance/rehabilitation Optimal placement of sensors and meters Economics and pricing Vulnerability and failure analysis

6. Faculty of Engineering and Built Environment Department of Electrical Engineering 6 LONG-TERM PROBLEMS Demand prediction for planning Layout and sizing (topology) Optimal planning and design Locating measurement and pressure control devices Reliability studies Water quality deterioration and monitoring Sectorisation

7. Faculty of Engineering and Built Environment Department of Electrical Engineering 7 EMBEDDED PROBLEMS Methods needed for all the problem Steady state models – Network analysis Dynamic model and transients

8. Faculty of Engineering and Built Environment Department of Electrical Engineering It is not because things are difficult that we don’t dare. It is because we don’t dare that things are difficult. Seneca Thank you 8