Syllabus For The Subject Water supply engineering




Chapter-1 water systems


Historical development

Sources of water

Water supply systems


Chapter-2 Hydrology

The water cycle


Measurement of rainfall

Computation of average rainfall over a basin

Evaporation and transpiration


Computation of-off

Estimation of maximum rate of run-off or flood



Chapter-3 Surface sources

Storage reservoirs

Investigations for reservoir planning

Selection of site for a reservoir

Storage capacity and yield




Chapter-4 Ground water :wells


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


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


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


Important unit operations

Gas transfer

Ion transfer

Solute stabilization

Solids transfer

Water treatment processes


Chapter-8 Screening and aeration


Coarse screens or bar screens

Fine screens



Types of aerators

Factors governing aeration or gas transfer

Design of gravity aerators

Design of fixed spray aerators

Limitations of aeration


Chapter -9 Sedimentation


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



Sludge blanket tanks or solid

Contact clarifier

The pulsator clarifier

Shallow depth sedimentation: tube settler

Illustrative examples

Design examples


Chapter -10 filtration


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


Diatomite filters


Chapter -11 disinfection


Methods of disinfection

Minor methods of disinfection


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


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


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





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



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


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


Loss of head through pipes and pipe fittings

















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