Water Distribution Networks: Planning, Design, operation, maintenance and troubleshooting

Course Objectives

Water distribution network is one of the most essential utilities of an urban town planning. Engineers who are interest for such facilities should have Knowledge Management (KM) prior planning and design phases of such projects. Design of Water Distribution Network (WDN) includes step by step modeling for different hydraulic components ( Reservoirs, tanks ,pumping stations, pipes, valves , nodes , junctions) by the aid of famous software in the field. Operation of WDN and associated control philosophy will be illustrated and discussed through the present course with customization for participants background and or their field utilities. Case studies will be also included to explain the different maintenance and troubleshooting techniques related to WDN. Problems like design mistakes, abnormal operation , leakage , low pressure , high pressure , insufficient flow associated with WDN will be investigated. Introduction to EPANET2 , WaterCAD & InfoWater  will be presented. Upon course completion participants will be familiar with WDN planning , modeling , operation , maintenance and troubleshooting added to knowledge gain from case studies .

Course outlines:

• Introduction to fluid dynamics basics

Pressure , energy ( potential , kinetic and or pressure ) Continuity and Bernoulli equations Flow in pipes ( friction loss calculations) Centrifugal pumps ( performance curves , NPSH , cavitation ) Variable Frequency Drivers VFD as energy efficient technique System curves , hydraulic gradient line , water age and RT 

• Introduction to Knowledge Management KM

• Introduction to water distribution network planning

• WDN security plan

• GIS and most important layers

• Conceptual design of WDN , scenarios and options

• Main WDN components

Reservoirs , Tanks , nodes and junctions, Pumping stations , valves and pipelines, Modeling of real life components into EPANET2 software

• Network skeltonization

• Design criteria for WDN

• Demand calculation included fire flow demand

• Design procedures for WDN

• Design considerations for WDN

• Operation of pumping stations ( pumping control philosophy)

• Optimization of operational control

• Operation of different types of valves associated with WDN

• Operation PRV and PSV for different pressure zones

• Operational problems associated with WDN

Leakage , leak detection techniques, High pressure , low pressure , insufficient water Surge , vacuum , air pocket , died ends Back flow prevention , cross connections

• Preventive maintenance of WDN components

• Proactive maintenance of WDN components

• Troubleshooting WDN components

• EPANET2 software demo

• Case studies for WDN

• WaterCAD software demo