Introduction to Urban Water Distribution, Second Edition: Problems & Exercises [2 ed.] 0367504480, 9780367504489

Table of contents :
Cover
Half Title
Series Page
Title Page
Copyright Page
Contents
Preface to the second edition
Introduction
1 Workshop problems
1.1 Water demand
1.2 Single pipe calculation
1.3 Branched systems
1.4 Looped systems
1.5 Hydraulics of storage and pumps
1.6 Examination problems
1.7 Examination true-false tests
2 Network modelling workshop
2.1 Learning objectives and set-up
2.2 Case introduction
2.3 Preparing the models
2.3.1 Modifying and loading the backdrop map
2.3.2 Adjusting nodal elevations
2.3.3 Adjusting the seasonal variation factor and the nodal demand of the factory
2.3.4 Saving the information
2.4 Questions part 1 – direct pumping
2.4.1 Pump selection
2.4.2 Pump operation
2.4.3 System extension
2.4.4 Future demand
2.4.5 System failure
2.5 Questions part 2 – balancing storage
2.5.1 Tank location
2.5.2 Pressure optimisation
2.5.3 Future demand
2.5.4 Water tower
2.5.5 Fire demand
2.6 Epanet raw case network model – cws.net (INP-format)
2.7 Answer sheets – solutions 1/150
3 Network design exercise
3.1 Learning objectives and set-up
3.2 Case introduction – the town of Safi
3.2.1 Topography
3.2.2 Supplying source
3.2.3 Population distribution and future growth
3.2.4 Distribution system
3.2.5 Water demand and leakage
3.2.6 Financial elements
3.3 Questions
3.3.1 Hydraulic design
3.3.2 System operation
3.4 Hydraulic design
3.4.1 Preliminary design concept
3.4.2 Nodal consumption
3.4.3 Network layout
3.4.4 Pumping heads and flows
3.4.5 Storage volume
3.4.6 Summary of the preliminary hydraulic design
3.5 System operation
3.5.1 Regular operation
3.5.2 Factory supply under irregular conditions
3.5.3 Reliability assessment
3.6 Final layouts
3.6.1 Alternative A – direct pumping
3.6.2 Alternative B – pumping and balancing storage
3.6.3 Phased development
3.6.4 Cost analyses
3.6.5 Summary and conclusions
4 Network rehabilitation exercise
4.1 Learning objectives and set-up
4.2 Case introduction – Nametown
4.2.1 Topography
4.2.2 Supply source and distribution system
4.2.3 Water demand and leakage
4.2.4 Financial considerations
4.3 Design steps and corresponding questions
4.3.1 Current demand scenario
4.3.2 Future demand scenario
4.3.3 Pumping station design
4.3.4 Cost calculations
4.4 The layout of the design report
4.5 The tutorial
4.5.1 Base demand modelling (Question 3.1.1)
4.5.2 Modelling of hotel demand (Question 3.1.2)
4.5.3 The range of network demand in the current scenario (Question 3.1.3)
4.5.4 The range of pressures and gradients in the current scenario (Question 3.1.4)
4.5.5 Renovation plan in the current demand scenario (Question 3.1.5)
4.5.6 The balancing volume of the source tank (Question 3.1.6)
4.5.7 Preliminary location of the pressure-reducing valve (Question 3.1.7)
4.5.8 Future demand growth (Question 3.2.1)
4.5.9 Future demand modelling (Question 3.2.2)
4.5.10 Connection of the second source (Question 3.2.3)
4.5.11 Renovation plan in the future demand scenario (Question 3.2.4)
4.5.12 Selection of the actual pump units (Question 3.3.1)
4.5.13 Pump motor selection (Question 3.3.2)
4.5.14 Transformer and diesel generator capacity (Question 3.3.3)
4.5.15 Pumping station layout (Question 3.3.4)
4.5.16 Piping and head losses (Question 3.3.5)
4.5.17 NPSH calculation (Question 3.3.6)
4.5.18 Cost calculation of investments (Question 4.3.1)
4.5.19 Cost calculation of operation and maintenance (Question 4.3.2)
4.5.20 Calculation of total costs (Question 4.3.3)
5 Minor loss factors
5.1 Bends and elbows
5.2 Enlargements and reducers
5.3 Branches
5.4 Inlets and outlets
5.5 Flow meters
5.6 Valves
6 Hydraulic tables, D = 50–1600 mm, S = 0.0005–0.02
6.1 k = 0.01, 0.05, 0.1, 0.5, 1 and 5 mm at T = 10º C
6.2 k = 0.01, 0.05, 0.1, 0.5, 1 and 5 mm at T = 20º C
7 Spreadsheet hydraulic lessons – Overview
7.1 Single pipe calculation
7.2 Pipes in parallel and series
7.3 Branched network layouts
7.4 Looped network layouts
7.5 Gravity supply
7.6 Pumped supply
7.7 Combined supply
7.8 Water demand
8 EPANET – version 2
8.1 Installation
8.2 Using the programme
8.3 Input data
8.3.1 Data preparation
8.3.2 Selecting objects
8.3.3 Editing visual objects
8.3.4 Editing non-visual objects
8.3.5 Editing a group of objects
8.4 Viewing results
8.4.1 Viewing results on the map
8.4.2 Viewing results with a graph
8.4.3 Viewing results with a table
8.5 Copying to the Clipboard or to a File
8.6 Error and warning messages
8.7 Troubleshooting results
9 Unit conversion table

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