WATER SUPPLY AND DRAINAGE SERVICE FOR BUILDINGKaran Patel
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The product, delivered to the point of consumption, is called potable water if it meets the water quality standards required for human consumption.
The water in the supply network is maintained at positive pressure to ensure that water reaches all parts of the network, that a sufficient flow is available at every take-off point and to ensure that untreated water in the ground cannot enter the network. The water is typically pressurised by pumps that pump water into storage tanks constructed at the highest local point in the network. One network may have several such service reservoirs.
In small domestic systems, the water may be pressurised by a pressure vessel or even by an underground cistern (the latter however does need additional pressurizing). This eliminates the need of a water-tower or any other heightened water reserve to supply the water pressure.
These systems are usually owned and maintained by local governments, such as cities, or other public entities, but are occasionally operated by a commercial enterprise (see water privatization). Water supply networks are part of the master planning of communities, counties, and municipalities. Their planning and design requires the expertise of city planners and civil engineers, who must consider many factors, such as location, current demand, future growth, leakage, pressure, pipe size, pressure loss, fire fighting flows, etc
In plumbing, a trap is a device which has a shape that uses a bending path to capture water to prevent sewer gases from entering buildings. this will helps you to find info. about traps.
Plumbing services in high rise building and group housingRohit Bhatt
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As well as the comforts and luxuries of modern living Plumbing systems protect the community from disease.
Invisible organisms that swim around in a watery environment was beyond imagination until a few centuries ago, it was only in the late 19th century that scientists discovered and isolated specific microbes of particular a disease, cholera, has proven one of history’s most virulent killers.
Mankind began to understand that the evil spirits causing its woes were microscopic creatures that could be defeated by plumbers and sanitary engineers. With well designed plumbing and draining systems.
As we go about our everyday lives it is comforting to know that people’s lives are protected by having Correctly Installed and maintained Plumbing Gasfitting and Draining Systems.
The arrangemnet provided in a house or building, for collecting and conveying waste
water through drain pipes, by gravity, to join either a public sewer or a domestic
septic tank, is termed as house drainage or building drainage.
WATER SUPPLY AND DRAINAGE SERVICE FOR BUILDINGKaran Patel
Â
The product, delivered to the point of consumption, is called potable water if it meets the water quality standards required for human consumption.
The water in the supply network is maintained at positive pressure to ensure that water reaches all parts of the network, that a sufficient flow is available at every take-off point and to ensure that untreated water in the ground cannot enter the network. The water is typically pressurised by pumps that pump water into storage tanks constructed at the highest local point in the network. One network may have several such service reservoirs.
In small domestic systems, the water may be pressurised by a pressure vessel or even by an underground cistern (the latter however does need additional pressurizing). This eliminates the need of a water-tower or any other heightened water reserve to supply the water pressure.
These systems are usually owned and maintained by local governments, such as cities, or other public entities, but are occasionally operated by a commercial enterprise (see water privatization). Water supply networks are part of the master planning of communities, counties, and municipalities. Their planning and design requires the expertise of city planners and civil engineers, who must consider many factors, such as location, current demand, future growth, leakage, pressure, pipe size, pressure loss, fire fighting flows, etc
In plumbing, a trap is a device which has a shape that uses a bending path to capture water to prevent sewer gases from entering buildings. this will helps you to find info. about traps.
Plumbing services in high rise building and group housingRohit Bhatt
Â
As well as the comforts and luxuries of modern living Plumbing systems protect the community from disease.
Invisible organisms that swim around in a watery environment was beyond imagination until a few centuries ago, it was only in the late 19th century that scientists discovered and isolated specific microbes of particular a disease, cholera, has proven one of history’s most virulent killers.
Mankind began to understand that the evil spirits causing its woes were microscopic creatures that could be defeated by plumbers and sanitary engineers. With well designed plumbing and draining systems.
As we go about our everyday lives it is comforting to know that people’s lives are protected by having Correctly Installed and maintained Plumbing Gasfitting and Draining Systems.
The arrangemnet provided in a house or building, for collecting and conveying waste
water through drain pipes, by gravity, to join either a public sewer or a domestic
septic tank, is termed as house drainage or building drainage.
it is a brief introductory part of what is house drainage system , its components with their classification , types of system of plumbing aided with principles of drainage design.
08 Building Water Supply and Sanitary Fixturesakashpadole
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The presentation has prepared as per the syllabus of Mumbai University.
Go through the presentation, if you like it then share it with your friends and classmates.
Thank you :)
sanitation and its importance is explained along with drainage system , principles of drainage system , types of pipes , traps and their uses and sanitary fittings.
it is a brief introductory part of what is house drainage system , its components with their classification , types of system of plumbing aided with principles of drainage design.
08 Building Water Supply and Sanitary Fixturesakashpadole
Â
The presentation has prepared as per the syllabus of Mumbai University.
Go through the presentation, if you like it then share it with your friends and classmates.
Thank you :)
sanitation and its importance is explained along with drainage system , principles of drainage system , types of pipes , traps and their uses and sanitary fittings.
Top 5 Deep Learning and AI Stories - October 6, 2017NVIDIA
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Read this week's top 5 news updates in deep learning and AI: Gartner predicts top 10 strategic technology trends for 2018; Oracle adds GPU Accelerated Computing to Oracle Cloud Infrastructure; chemistry and physics Nobel Prizes are awarded to teams supported by GPUs; MIT uses deep learning to help guide decisions in ICU; and portfolio management firms are using AI to seek alpha.
A building is provided with a drainage system to discharge effectively the sewage of the building into the public sewer. Domestic sewage from a building includes human excreta as well as discharge from the bathroom, kitchen, etc. and collected by building sewers and finally discharged into the public sewer.
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1. DRAINAGE SYSTEM
It is the arrangement provided in a house or
building for collecting or conveying waste
water through drain pipes, by gravity, to join
either a public sewer or a domestic septic tank
is termed as house drainage or building
drainage.
AROH THOMBRE
2. Terminologies related to Drainage:
Wastewater: Water when used for different purpose like domestic commercial, industrial etc., receives
impurities and become wastewater. Thus wastewater is used water and it has physical, chemical, and biological
Impurities in it.
Sewage: The waste water coming from W.C. and containing human excreta is known as sewage.
Sullage: The Wastewater coming from bathrooms and kitchens which does not contain fecal matter is known as
sullage.
Plumbing/Drainage System: It is entire system of pipe line for providing water supply to the building or it is a
system of pipes for disposal of wastewater from the building.
Sewer: A pipe carrying sewage/ wastewater is called sewer.
Soil Pipe: It is pipe carrying sewage from W.C.
Vent Pipe : A vertical pipe that provides circulation of air to and from the Drainage system.
Stack: A general term used for any vertical line of soil, waste or vent piping.
3. Terminologies related to Drainage:
Cleanout: An access opening to allow cleanout of the pipe
Waste Pipe: It is a pipe carrying sullage from bathrooms, kitchens, sinks, wash basins, etc.
Sewerage System: A system of sewers of different types and sizes in a town collecting wastewater from the
town and carrying it to the wastewater treatment plant.
Sanitary Sewer: A sewer pipe that carries only sewage.
Storm Sewer: A sewer pipe that carries storm water or other drainage (excluding sewage).
Building Sewer: Part of the drainage system from the building to the public, private, or individual sewer
Disposal system.
Sewer Main: A sewer pipe installed and maintained by public entity and on public property.
Components of Drainage system:
*Pipes *Traps *Sanitary Fittings *Chambers
4. Pipes:
In house drainage system pipes may be designated depending upon the function as shown below.
Soil Pipe: A pipe carrying human Sewage from W.C.
Waste Pipe: A pipe carrying sullage.
Vent Pipe: It is a pipe installed to provide flow of air to or from the drainage system or to provide circulation
of air in the drainage system to protect the water seal of traps against Siphonage and backflow.
Antisiphonage Pipe: It is the pipe which is installed to preserve the water seal in the trap through proper
ventilation
Rain water Pipe: A pipe carrying only rain water.
Soil pipe: 100mm
Waste pipe: horizontal: 30-50mm
Waste pipe: vertical : 75mm
Rainwater pipe : 75mm
Vent pipe: 50mm
Pipe Sizes:
Vent Pipe
Waste Pipe
Rain Water Pipe
Antisiphonage Pipe
Soil Pipe
5. Traps:
Traps are U shaped fixtures that have Water seal in it. This water in the trap creates a seal that prevents sewer gas from
passing from the drain pipes back into the occupied space of the building. Essentially all plumbing fixtures including sinks,
bathtubs, and toilets must be equipped with either an internal or external trap.
Depending upon the shapes the traps are classified as:
P-Trap: P-traps exit into the wall behind the sink.
Q-Trap: This trap is used in toilet under water closet.
S-Trap: This trap is usually used with Siphonage pipe.
6. Traps:
Based on the Use, the traps are classified as:
Floor Traps (Nahni Trap): This trap is generally used to admit sullage from the floors of rooms, bathrooms,
kitchen etc. in to the sullage pipe. This is provided with cast iron or stainless steel or galvanized gratings (Jallis)
at its top so that the entry of larger matter is prevented thereby chances of blockage are reduced.
Gully Traps: A Gully trap or gully is provided at a junction of a roof drain and other drain coming from kitchen
or bathroom.
Intercepting Traps: Intercepting Traps: Intercepting traps is provided at junction of a house sewer and municipal
sewer for preventing entry of foul gases of municipal sewer in to the house drainage system.
Nahni Trap Gully Trap Intercepting Trap Section through Intercepting trap
7. Sanitary Fittings:
Following sanitary fittings are used in the house drainage system.
Wash Basin: These are plumbing fixtures mainly used for handwashing.
Sinks: Sinks are the plumbing fixtures provided in kitchens for cleaning utensils.
Bath tubs: A circular waste hole at the bottom of bath tub is provided for drainage purpose. Bath Tub is the
plumbing fixtures provided in the bathroom for taking bath.
Water Closets: A water closets is a pan like water flushed plumbing fixture designed to remove human excreta
directly and dispose the same in to the soil pipe through trap.
Urinals: a bowl or other receptacle, typically attached to a wall in a toilet, into which men may urinate.
Water Closet Sink Bath Tub UrinalWash Basin
8. Basic Principles of Drainage system:
*House Drainage should be preferable laid by side of the building to facilitate easy repair and better
maintenance.
*The sewage or sullage should flow under the force of gravity.
*The house sewer should always be straight.
The entire system should be well ventilated from start to the end.
*The house sewer should be connected to the manhole such that the invert level is sufficiently higher to avoid
back flow of sewage in house sewer.
*Where ever there is change in direction of sewer line in the premises, provide inspection chamber at the
junction.
*House sewer joints should be leek proof because leakage if any shall create an odour problem and leaked
wastewater shall infiltrate in the ground and shall reduce bearing capacity of soil below foundation, which is
not desirable.
*Rain water from roofs or open courtyards should not be allowed to flow through the house sewers.
*Siphonage action can never be permitted and therefore adequate ventilation systems should be installed.
10. Types of Drainage Systems:
Two pipe system : This is the best and most improved
system of plumbing. Two sets of vertical pipes, one for
excreta (night soil) as soil pipe and another for sullage as
waste pipe. The soil pipes as well as waste pipes are
separately ventilated, by providing, separate vent pipe or
anti-siphon age pipe. This system has four vertical pipes.
One pipe system: Instead of using two separate pipes for
excreta and sullage, only one vertical main pipe is
provided, which collects both night soil and sullage water.
The main pipe is ventilated at the top, in addition, a
separate vent pipe is also provided. This system has two
vertical pipes
Two Pipe System
One Pipe System
11. Types of Drainage Systems:
Single stack system: This system is having a single
pipe for soil, waste and vent without any separate
ventilation pipe. It uses only one pipe, which carries
night soil as well as sullage and the same pipe is
extended up to 2 m above roof level with a cowl to
act as vent pipe for removal of gases.
Partially Ventilated Single Stack System : This is an
improved form of single stack system, where the
traps of the water closets are ventilated, by a
separate vent pipe, called relief vent pipe. This
system uses two pipes as in single pipe system. The
single soil and waste pipe is connected to vent pipe
and thus cost is reduced.
Single Stack System
12. Grey Water Recycling
Grey water flows to Surge tank
where is filtered through coarse
filter.
Then it is Pumped to Sand filter
then it is disinfected and then
pumped to Grey water tank.
And now this can again be used
for Flusing purpose.