Syllabus For The Subject Water supply engineering

WATER SUPPLY ENGINEERING

Contents

 

Chapter-1 water systems

Introduction

Historical development

Sources of water

Water supply systems

 

Chapter-2 Hydrology

The water cycle

Precipitation

Measurement of rainfall

Computation of average rainfall over a basin

Evaporation and transpiration

Run-off

Computation of-off

Estimation of maximum rate of run-off or flood

Discharge

 

Chapter-3 Surface sources

Storage reservoirs

Investigations for reservoir planning

Selection of site for a reservoir

Storage capacity and yield

Dams

Intakes

 

Chapter-4 Ground water :wells

Introduction

Types of aquifers

Storage coefficient

Well hydraulics

Determination of aquifer constant T

Characteristics  well losses

Specific capacity of well

Interference among wells

Fully penetrating artesian-gravity well

Partially penetrating artesian well

Spherical flow in a well

Tube wells

Methods for drilling tube wells

Well shrouding and well development

Open wells

Yield of an open well

Selection of suitable site for a tube well

Section of a tube well

Unsteady flow

Other sources of underground water

Radial collector wells


Chapter-5 Water demand and quantity

Introduction

Design period

Population forecast

Factors affecting population growth

Determination of population for inter-censal

And post-censal years

Water demand

Factors affecting rate of demand

Variations in rate of demand

 

Chapter-6 Quality of water

Introduction

Common impurities in water and their effect

Quality of sources

Water analysis

Physical examination

Micro-organisms in water

Microbiological examination of water

The nuisance bacteria

Common water-borne diseases

Standards of purified water

 

Chapter-7 Unit operations

Introduction

Important unit operations

Gas transfer

Ion transfer

Solute stabilization

Solids transfer

Water treatment processes

 

Chapter-8 Screening and aeration

Screening

Coarse screens or bar screens

Fine screens

Micro-strainers

Aeration

Types of aerators

Factors governing aeration or gas transfer

Design of gravity aerators

Design of fixed spray aerators

Limitations of aeration

 

Chapter -9 Sedimentation

Introduction

Types of settlings

Settling of discrete particles

Types of sedimentation tanks

Horizontal flow sedimentation tank

Size-weight composition and removal

Maximum velocity to prevent bed uplift

Or scour

Design elements

Setting tank efficiency

Details of plan sedimentation tanks

Sedimentation with coagulation: clarification

Common coagulants

Methods of feeding coagulants

Mixing devices

Flocculation

Clarification

Sludge blanket tanks or solid

Contact clarifier

The pulsator clarifier

Shallow depth sedimentation: tube settler

Illustrative examples

Design examples

 

Chapter -10 filtration

Introduction

Theory of filtration

Classification of filters

Filter media

Slow sand filters

Rapid sand filter: gravity type

Working and washing of rapid sand filters

Loss of head and negative head

Filter troubles

Performance of rapid sand filters

Comparison of slow sand and

Rapid sand filters

Filtration hydraulics :

Carmen-kozney equation :

Rose equation

Flow through expanded beds

Pressure filters

Double filtration: roughing filter

Dual media and mixed media filters

Upflow filters

Biflow filters

Micro-strainers

Diatomite filters

 

Chapter -11 disinfection

Introduction

Methods of disinfection

Minor methods of disinfection

Chlorination

Forms of application of chlorine

Application of chlorine

Forms of chlorine

Forms of chlorination

Tests for free and combined chlorine

Factors affecting bactericidal efficiency

Of chlorine

Kinetics of chemical disinfection

Iodine treatment

Bromine treatment

Ozone treatment

 

Chapter-12 Water softening

Introduction

Type of hardness and methods of

Their removal

Lime-soda process

Lime-soda softening plant

Water softening accelerator

Zeolite process

Advantages and disadvantages of lime soda and zeolite

Process

Demineralization or deionization process

 

Chapter-13 miscellaneous treatment methods

Removal of iron and manager

Colour odour and taste removal

Activated carbon treatment

Use of copper sulphate

Fluoridation

Defluoridation

 Desalination

 

Chapter -14 Pumps and pumping

Necessity of pumping

Types of pumps and their choice

Displacement pumps

Centrifugal pumps

Comparison of reciprocating and

Centrifugal pumps

Jet pump

Air lift pumps

Well pumps

Centrigual pump installation

Characteristics of centrifugal pump

Multiple pump systems

Variable speed operation

Suction lift limitations :cavitation

System head curve

Operating point  or operating range

Of a pump

Selection of pumping units

Power requirements of pumps

Economical diameter of pumping mains

 

Chapter-15 convenience of water

Introduction 

Pipes

Cast iron pipes

Wrought iron and galvanized iron pipes

Steel pipes

Cement concrete pipes

Asbestos cement pipes

Copper and lead pipes

Wood-stave pipes

Plastics pipes

Stresses in pipes

Corrosion in pipes

Pipe appurtenances

Head loss through pipes

 

 

Chapter -16 Distribution of water

Introduction

Methods of distribution

Pressure in distribution mains

Systems of water supply

Storage and distribution reservoirs

Types of storage and distribution reservoirs

Capacity of distribution reservoir

Pipe hydraulics

Pipes in series and parallel

Layout of distribution system

Design of distribution system

Analysis of pressure in distribution system

Hardy cross method

 

Chapter-17 Water supply for buildings

Materials for service pipes

Service connection

Size of service pipes

Water meters

Valves

Loss of head through pipes and pipe fittings

Appendix

Index     

 

  

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

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