chapter 1, ce 704water supply engineering
TRANSCRIPT
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Welcome to our
presentation
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Bikash Ray
ID No. 1529
Ratan Kumar
ID No. 2692
MD. Mamun hossain
ID No. 3256
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S.M.TANVIR FAYSAL ALAM
CHOWDHOURYLecturer
Department of Civil Engineering
World University Of BangladeshFEB 2014
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Top Page
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The essential element of a water supplysystem are as follows,
Source of supply.Collection system.
Treatment or purification plant and
Distribution system.
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Element of water supply system:-
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Quality.
Quantity.
Cost.
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Choice of a source of water supply
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Intake
Intake main
Adequate /transmission main
Pumping station Factors considered in designing and location intake
Location of the water available.
Possible to wide of water level.
Characteristics of intake surrounding. Formation of souls of bars.
Possible source of solution.
Provision for excluding possible floating materials like logsvegetation.
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Collection system:-
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Turbidity Color
Taste Odour Bacteria
Treatment of ground water :-(Reduce)
Hardness Iron Corrosive qualities Bacteria.
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Treatment of source water :-(Removal)
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Screenning
Sedimentation
Treatment with chemicals
Filltration through sands bed.
Designfection.
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Methods using in treatment :-
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Safe water
Clean water
Palatable water
Distribution system includes:-
Varrious pipes that convey the water to the consumer.
Storage reservoir that are provided to aid in the
disinfection. Pumps and necessary equipments.
Fire hydrants,valve,meters,outers apparel nuances.
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Treatment plant provide
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Gravity system
Distribution reservoir system
Direct pressure system.
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Methods of distribution system:
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Concrete reservoir
Cylindrical Rectangular
Square.
Steel reservoir
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Types of distribution reservoir:
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All the essential elements of a water supply system for a city are
diagrammatically shown below in fig:
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Estimate future population of the community andstudy of local condition.
Location of reliable source of adequate quantity.
Design of suitable collection system.
Determine of physical chemical and biologicalcharacteristics of water.
Design of various unit of treatment plant.
Provision for necessary storage system.
Design of distribution system.
Operation of supply and distribution.
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Planning a municipal water supply system
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