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Presented By- MANISH PANDEY
CIVIL
FINAL YEAR
The purpose of distribution system is to deliver water to
consumer with appropriate quality, quantity & pressure.
Distribu...
Water quality should not get deteriorated in the distribution
pipes.
It should be capable of supplying water at all the ...
The layout should be such that no consumer would be
without water supply, during the repair of any section of the
system....
LAYOUTS DISTRIBUTION NETWORK
The distribution pipes are generally laid below the road
pavements, and as such their layout...
CLASSIFICATION OF NETWORKS
Dead End System
Radial System
Grid Iron System
Ring System
DEAD END SYSTEM
It is suitable for old towns and
cities having no different pattern of
roads.
Advantage :-
Relatively cheap
Determination of discharge and pressure easier due to less
number of valves.
Disadvantage ...
RADIAL SYSTEM
The area is divided into
different zones.
The water is pumped into
the distribution reservoir
kept in the ...
Advantages :-
It gives quick service
Calculation of pipe size is easy
GRID IRON SYSTEM
It is suitable for cities
with rectangular
layouts, where the
water mains and
branches are laid in
rectan...
Advantage :-
Water is kept in good circulation due to absence of dead
ends
In the case of break down in some section, wa...
RING SYSTEM
The supply main is laid all along
the peripheral roads and sub
mains branch out from the mains.
This system ...
Advantages :-
Water can be supplied to any point from at least two
directions.
METHODS OF WATER DISTRIBUTION
For efficient distribution system adequate water pressure
required at various points.
Depend...
GRAVITY SYSTEM
Suitable when source of
supply is at sufficient height.
Most reliable and economical
distribution system....
PUMPING SYSTEM
Treated water is directly into the
distribution main out storing.
Also called pumping without
storage sys...
COMBINED GRAVITY and PUMPING SYSTEM
Most common system
Treated water is pumped and stored in an elevated
distribution re...
COMBINED GRAVITY and PUMPING SYSTEM
DISTRIBUTION RESERVOIRS
Distribution reservoirs, also called service reservoirs, are the storage
reservoirs, which store t...
Location & height of distribution reservoirs
Should be located as close as possible to the centre of
demand.
Water level...
TYPES of RESERVOIRS
Depending upon the elevation with respect to ground,
It may be classified into...
Surface reservoirs
...
Surface reservoirs:-
These also called ground reservoir.
Mostly circular or rectangular tanks.
Underground reservoir ar...
Elevated reservoir:-
It is also referred to as overhead tanks are required at distribution
areas which are not governed a...
TYPES of TANKS
R.C.C. Tanks
G.I. Tanks
H.D.P.E Tanks
R.C.C. TANKS:-
It is of reinforced concrete cement.
They have lo...
G.I. TANKS:-
It is if galvanized iron.
Generally square or rectangular in shape
Life of tank is short
Corrosion of met...
H.D.P.E TANK (high density polyethylene):-
It is very popular for storing less quantity of water and hence useful
for res...
TYPES OF JOINTS
End Cap Joint- comprises a cylindrical gasket-type fitting formed of
soft, malleable material. The end ca...
Tee Joint-
which have long functional life and exhibit efficient performance. Our
products are useful to connect pipes of...
Strainer Joints –
these are specially designed for piping system. There are different types
of strainer joints, which hav...
Reducer Joint –
these are catering the needs of different industries across the domestic
market. These joints are popular...
Cast Iron Bent Joint -
are available in various designs and sizes that is used for joining pipes.
Another important featu...
Collar Joints -
which is used in wiper motors and link motion assembly parts. The
Collars offered by us, are made using h...
TYPES OF PIPES
PVC stand for Polyvinyl Chloride. This type of pipe has a wide variety of
plumbing uses from drainage pipe ...
CPVC PIPES-
CPVC stands for Chlorinated Polyvinyl Chloride. This type of pipe can
stand temperatures up to about 180 degr...
PEX PIPES-
PEX stands for Cross-linked polyethylene but, PEX is much easier to
remember and say. PEX is commonly used for ...
Copper Pipe –
This type of pipe is mostly used for hot and cold water distribution as
well as being regularly used in HVA...
Thanks
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P.P.T on water distribution system by Manish Pandey

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This presentation is on water distribution system.. that is how a water management isd

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P.P.T on water distribution system by Manish Pandey

  1. 1. Presented By- MANISH PANDEY CIVIL FINAL YEAR
  2. 2. The purpose of distribution system is to deliver water to consumer with appropriate quality, quantity & pressure. Distribution system is used to describe collectively the facilities used to supply water from its source to the point of usage.
  3. 3. Water quality should not get deteriorated in the distribution pipes. It should be capable of supplying water at all the intended places with sufficient pressure. It should be capable of supplying the requisite amount of water during fire fighting.
  4. 4. The layout should be such that no consumer would be without water supply, during the repair of any section of the system. All the distribution pipes should be preferably laid one meter away or above the sever line. It should be fairly water tight as to keep losses due to leakage to the minimum.
  5. 5. LAYOUTS DISTRIBUTION NETWORK The distribution pipes are generally laid below the road pavements, and as such their layouts generally follow the layouts of roads. There are general, four different types of pipe networks; any one of which either single or in combinations, can be used for a particular place.
  6. 6. CLASSIFICATION OF NETWORKS Dead End System Radial System Grid Iron System Ring System
  7. 7. DEAD END SYSTEM It is suitable for old towns and cities having no different pattern of roads.
  8. 8. Advantage :- Relatively cheap Determination of discharge and pressure easier due to less number of valves. Disadvantage :- Due to many dead ends, stagnation of water occurs in pipes.
  9. 9. RADIAL SYSTEM The area is divided into different zones. The water is pumped into the distribution reservoir kept in the middle of each zone. The supply pipes are laid rapidly ending towards the periphery.
  10. 10. Advantages :- It gives quick service Calculation of pipe size is easy
  11. 11. GRID IRON SYSTEM It is suitable for cities with rectangular layouts, where the water mains and branches are laid in rectangles.
  12. 12. Advantage :- Water is kept in good circulation due to absence of dead ends In the case of break down in some section, water is available from some other direction.  Disadvantage :- Exact calculation of sizes of pipes are not possible due to provisions of valves on all branches.
  13. 13. RING SYSTEM The supply main is laid all along the peripheral roads and sub mains branch out from the mains. This system also follows the grid iron system with the flow pattern similar in character to that of dead end system. So determination of the size of pipes is easy.
  14. 14. Advantages :- Water can be supplied to any point from at least two directions.
  15. 15. METHODS OF WATER DISTRIBUTION For efficient distribution system adequate water pressure required at various points. Depending upon the level of source, topography of the area and other local conditions, the water may be forced into distribution system by following ways – Gravity System Pumping System Combined gravity and pumping system
  16. 16. GRAVITY SYSTEM Suitable when source of supply is at sufficient height. Most reliable and economical distribution system. The water head available at the consumer is just minimum required. The remaining head is consumed in the frictional and other losses.
  17. 17. PUMPING SYSTEM Treated water is directly into the distribution main out storing. Also called pumping without storage system. High lifts pumps are required. If power supply fails, complete stoppage of water supply. The method is not general used.
  18. 18. COMBINED GRAVITY and PUMPING SYSTEM Most common system Treated water is pumped and stored in an elevated distribution reservoir. Then supplies to consumer by action of gravity. The excess water during low demand periods get stored in reservoir and get supplied during high demand period. Economical, efficient and reliable system.
  19. 19. COMBINED GRAVITY and PUMPING SYSTEM
  20. 20. DISTRIBUTION RESERVOIRS Distribution reservoirs, also called service reservoirs, are the storage reservoirs, which store the treated water for supplying water during emergencies ( such as during fires, repairs, etc.) and also to help in absorbing the hourly fluctuations in the normal water demand. Function of distribution reservoirs- To absorb the hourly variations in demand. To maintain constant pressure in the distribution main. Water stored can be supplied during emergencies.
  21. 21. Location & height of distribution reservoirs Should be located as close as possible to the centre of demand. Water level in the reservoir must be at sufficient elevation to permit gravity flow at an adequate pressure.
  22. 22. TYPES of RESERVOIRS Depending upon the elevation with respect to ground, It may be classified into... Surface reservoirs Elevated reservoirs
  23. 23. Surface reservoirs:- These also called ground reservoir. Mostly circular or rectangular tanks. Underground reservoir are preferred especially when the size is large. These reservoirs are constructed high natural grounds and are usually made of stones, brick, plain or reinforced concrete cement. The side walls are designed to take up the pressure of the water, when the reservoir is full and the earth pressure, when it is empty.
  24. 24. Elevated reservoir:- It is also referred to as overhead tanks are required at distribution areas which are not governed and controlled by the gravity system of distribution. These are rectangular, circular or elliptical in shape. If the topography of the town not suitable for under gravity, the elevated tank or reservoir are used. They are constructed where combine gravity and pumping system of water distribution is adopted. These tanks may be steel or RCC.
  25. 25. TYPES of TANKS R.C.C. Tanks G.I. Tanks H.D.P.E Tanks R.C.C. TANKS:- It is of reinforced concrete cement. They have long life. Very little maintenance. Decent appearance.
  26. 26. G.I. TANKS:- It is if galvanized iron. Generally square or rectangular in shape Life of tank is short Corrosion of metal occurs Maintenance cost is high
  27. 27. H.D.P.E TANK (high density polyethylene):- It is very popular for storing less quantity of water and hence useful for residential purpose. Handling is easy because of light weight. Cheap in cost Maintenance cost is low. Cleaning of tanks are easy.
  28. 28. TYPES OF JOINTS End Cap Joint- comprises a cylindrical gasket-type fitting formed of soft, malleable material. The end cap is connected to the end of an air filter with an adhesive. The end cap has a general “U” shaped end portion that encases one end of the air filter and includes a locking tab. The locking tab is formed on the end cap's interior lip to assist in holding the end cap in place. Pre-moulded air filter end caps are primarily designed for use in safety air filters for heavy motor vehicle applications, specifically, off road vehicles such as bulldozers, bob cats & transfer trucks.
  29. 29. Tee Joint- which have long functional life and exhibit efficient performance. Our products are useful to connect pipes of diverse diameters. These easy operational joints are used in different industrial applications for changing the pipe run direction. The precisely engineered Tee pipe join are known for their durability and sturdy construction.
  30. 30. Strainer Joints – these are specially designed for piping system. There are different types of strainer joints, which have different designs and sizes. The chief material used for manufacturing these joints are carbon & stainless steel, which give them longer life and high performance. These material are in accordance to international quality standards.
  31. 31. Reducer Joint – these are catering the needs of different industries across the domestic market. These joints are popular for their non-abrasive nature, anti corrosive property and high durability. These products are easy to install and are made from high quality alloy steel, carbon steel, stainless steel and nickel alloys. These reducer joints are used to prevent fluid leakage and enhance the functionality in an effective manner.
  32. 32. Cast Iron Bent Joint - are available in various designs and sizes that is used for joining pipes. Another important feature of these joints is that they provide easy passage to tools and shafts for effectual cleaning. Our products are available at reasonable rates according to the industry related prices. These are beneficial in meeting the exact application demand by installation at different angles.
  33. 33. Collar Joints - which is used in wiper motors and link motion assembly parts. The Collars offered by us, are made using high-grade metal that ensures durability and wear & tear resistance.
  34. 34. TYPES OF PIPES PVC stand for Polyvinyl Chloride. This type of pipe has a wide variety of plumbing uses from drainage pipe to water mains. It is most commonly used for irrigation piping, home, and building supply piping. PVC is also very common in pool and spa systems. PVC is often white but it can also come in a wide variety of colours. PVC PIPES-
  35. 35. CPVC PIPES- CPVC stands for Chlorinated Polyvinyl Chloride. This type of pipe can stand temperatures up to about 180 degrees (this depends on the schedule) or so and can be used for hot and cold water inside of a house or mobile home. CPVC is the same outside diameter as copper and PEX so push fit fitting that fit PEX and copper, such as Shark Bite, will fit the CPVC piping. Like with PVC you should use primer and a glue when making a CPVC joint.
  36. 36. PEX PIPES- PEX stands for Cross-linked polyethylene but, PEX is much easier to remember and say. PEX is commonly used for hot and cold water in homes and as hedonic heating due to its resistance to hot and cold temperatures. PEX is widely used now for its competitive pricing, ease of use, and the long rolls of piping that it can come in.
  37. 37. Copper Pipe – This type of pipe is mostly used for hot and cold water distribution as well as being regularly used in HVAC systems for refrigerant lines. Copper piping works in both underground and aboveground applications, but copper can be affected by some soils and should be sleeved if used underground. Due to the price of copper and longer labor needed to install many builders are switching to alternative water distributions piping like PEX. Copper comes in different thicknesses which are labeled M, L, and K. M is the thinnest grade of copper. Copper is connected by soldering pipe into the fittings.
  38. 38. Thanks

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