Water supply layout for residential building pdf

The purpose with a domestic service water supply system is to provide consumers with enough hot and cold water. In old buildings it is common with gravity storage tanks on the top floor of the building. More commonly used in new systems are pressurized tanks and supply pumps. For proper operation of the system the gravity tank is located at least 30 ft or 10 m above the highest outlet or consumer. In taller buildings pressure reducing valves are required in the lowest floors before the fittings.

The volume of a gravity tank must be designed to compensate for limited capacity of a supply line. The tank fills up when the consumption of hot and cold water is lower than the capacity of the supply line - and the tank is emptied when the consumption is higher than the capacity of the supply line.

A drawback with the open gravity tank on the top floor is the potential danger of freezing during winter conditions. Huge tanks will also influence on the construction of the building. The pressurized tank is partly filled with air or gas behind a membrane. The air compensates for pressure variations during consumption and when supply pump starts and stops.

You are free to use the template bellow as a tool to estimate required buffer capacity in a water supply system. Log in to your Google Account to make your own copy to modify of the template. Alternatively - you can also save the Google Spreadsheet to your computer as a xls file. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro.

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Please read AddThis Privacy for more information.T he water supply for any home comes from one of three places. Most homes receive their water from a water utility, the rest get their water from wells or storage tanks.

The municipal supply provides the water pressure, but other homes may rely on gravity or pumps to produce water pressure. After that, the residential water supply system is about the same in all homes. Most homes in the U.

The water main provides a main valve that allows the shut off of the entire water supply for a home. It is important to know the location of this valve and how to operate it in the event of a burst pipe or other plumbing emergency that requires you to stop the flow of water. The water main typically also includes a water meter, with which the utility company can monitor your usage and bill you accordingly.

The pipe is buried and in areas that have freezing temperatures, the depth to which it is buried is set by the local depth of the frost line.

Supply lines to the house can be plastic, copper or galvanized iron pipe. Copper is the preferred material and also the most expensive. Before the water supply line enters the home, or just after in colder climates, the supply will often have a back-flow preventer installed, to prevent low pressure from allowing contaminated water being drawn into the main water supply.

Also at this point, the cold water supply may have a second main shut off valve. If your home has a fire sprinkler system, the water supply may bypass the water meter, may have its own supply line or it may split out before or after the back-flow device. Another device you may find here is a pressure reducer to reduce the water pressure down to safe levels, generally around 60 psi for residential systems.

Plumbing fixtures can be damaged if subjected to the high pressure of unregulated water supplies. After all these devices, the water line may split off to a hose bib or your yard's irrigation system. Once inside the home, the water line typically goes directly to the home's water heater, to ensure adequate water pressure to the hot water supply. The cold water line splits here, between the water heater and for the rest of the house. The cold water line that enters the water heater then becomes the beginning of the hot water supply system.

The other line or lines that split off will go to locations throughout the house.

water supply layout for residential building pdf

Cold water supply lines will often reduce to smaller sized pipes as the supply lines split off. It is best to run the larger size pipes to the area of the home where they will be used and then only switch to smaller diameters for the risers that lead to each service.

Cold water service lines will run to every toilet, sink, tub, shower and water using appliance such as a washer, dishwasher, ice maker, instant hot water or any other plumbed device. It is best practice to install local shut off valves at each of these locations to allow service and repair without having to shut off water to the entire home while work is completed. Gallery Reviews Search.

How Residential Water Supply Works

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water supply layout for residential building pdf

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Water Supply Distribution System Design.

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John Smith. This book is copyright material and must not be copied, reproduced, transferred, distributed, leased, licensed or publicly performed or used in any way except as specifically permitted in writing by the publishers, as allowed under the terms and conditions under which it was purchased or as strictly permitted by applicable copyright law.

Any unauthorized distribution or use of this text may be a direct infringement of the author s and publisher s rights and those responsible may be liable in law accordingly. The website www. They don't have to disclose the chemicals they use. They don't have to play by the same rules as anybody else. Zelalem Abera MScMr. Sabkeebar Ararsa BSc next to God; for all his sincere, faithful and immense devotion to help us in providing all the necessary materials which are paramount for our final year project.

However, most of the developing country like Ethiopia has still low potable water supply and sanitation coverage that result the citizens to be suffered from water Shortage, water born and water related diseases. A good water supply distribution infrastructure plays a key role for any kind development for a town. This project examined the theoretical framework for the design of an improved water distribution network for Holeta town.

The aim of this water supply project is to provide potable water for present and future demand for targeted Holeta town which improve the existing water supply system of the town. The present and future population of the study area was determined and the water demand per day established. The hydrologic, hydro geologic and topographic data formed the basis of the design while laying emphasis on models and theories of pipe networking and performance.

The pipe network layout was analyzed with the use of Epanet2. Key Words: EPA-NET software, population projection forecastpressure head, velocity head, water demand assessment and water distribution network system. XIV 1. Epanet Analysis Report Summary of Cost Estimation Above sea level ADD…………………………………….

Average Day Demand BH…………………………… Borehole BOQ…………………………. Center to Center CSA…………………………… Ductile Cast Iron DL …………………………………. Dead load DN…………………………… Nominal Diameter EIA…………………………………. Ethiopian Birr GS…………………………………… Liter per capita per day HC………………………………………. House Connection HCU………………………………… House Connection Users Hr. Hour HTP…………………………………… House tap connection HTU…………………………………. Non-domestic Demand PHD……………………………………. Peak Hour factor PN……………………………………….Water Supply Design.

It is a modren society containing flats, appartments, plots, scool and parks along with the treatment and disposal sites, situated near the bank of Jehlum canal.

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I also discussed some confusing points with my class fellow in order to get the better idea about the design procedure. Water Supply Design This report gives a detailed description about how to establish a water distribution system for a community. I am Thankful to Allah Almighty for giving me the wisdom and knowledge to complete the water supply scheme assigned by the teacher.

The Influence from Water Supply System to the Overall Layout of the Residential Building in Village

I have successfully carried out the design of water supply system of the residential housing society. I am confident that my design will successfully run throughout the design period of the water supply system. I have taken all precautionary measures to make sure that there is no major problem in my system and it will smoothly run throughout its useful life.

Output is attached with this report showing all the necessary data required for designing process. All the pressures are greater than 14m. The Project designed shows that it is an economical project as all the diameters of the pipes are 80mm only a few pipes are of mm diameter which are located near the Overhead reservoir.

So this economical project of Water Distribution Scheme is successfully completed and all the results are attached at the end of the report. Water is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life.

It is almost impossible to find a source of water that will meet basic requirements for a public water supply without requiring some form of treatment. In general, the requirements for a public water supply may be considered as follows: 1.

That it shall contain no disease-producing organisms. That it be colorless and clear. That it be good-tasting, free from odors and preferably cool. That it be non-corrosive. That it be free from objectionable gases, such as hydrogen sulfide, and objectionable staining minerals, such as iron and manganese. That it be plentiful and low in cost.

Water Supply Design

It is the amount of water consumed by a community in one day. Its average value is lpcd. It is the maximum water consumption during any one day in the year. It is the peak consumption during any one hour of the years excluding the fire demand. The peak hourly consumption can be between to percent of the average hourly consumption during a peak day. Daily Demand.Water use, sustainability, and efficiency by choosing quality systems and materials, and providing environmentally friendly solutions.

Plumbing Basics

The water supply system must be designed to achieve appropriate water pressure and flow, and to avoid contamination to potable water. Also see installationnoise and air lockspipe jointing systemsand valves and controls. As well as avoiding contamination and achieving the right pressure and flow, the system must be suitable for the temperature of water carried.

A well-designed and installed system will also be durable, minimise noise from water flow and from problems such as water hammer, and support efficient use of water. All water supply systems use a combination of pipes of different dimensions and materialsvalves and outlets to deliver water to building users.

Some water supply systems also use storage tanks and pumps.

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Designing a water supply system involves getting all of these elements right so that clean water is delivered to the user at the appropriate rate and temperature. If pressure is too high, this will lead to wastage of water, as well as high wear and tear on the system. Typically, new buildings in areas with mains water supply will have mains pressure systems.

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Existing buildings, and buildings that are not connected to mains water, may have low pressure systems or unequal pressure systems with different pressures for hot and cold water supply. Mains pressure systems require pressure limiting and pressure reducing valves to control water pressure and temperature.

Typically, pressure limiting or pressure reducing valves will be used to control pressure in mains-supplied hot water systems or where high pressure may lead to problems such as burst pipes. Low pressure systems require few valves or controls.

In low or unequal pressure systems, pressure can be increased to adequate levels by storing water in a header tank typically in the ceiling space so that gravity can be used to create water pressure. Pressure can also be raised to adequate levels using a pressurising pump, in which case it may be necessary to use pressure limiting and pressure reducing valves.

The Building Code requires that sanitary fixtures and appliances have adequate water supply at an adequate flow rate. As with water pressure, flow rates are crucial. A flow regulator can be used to maintain a constant flow, independent of water pressure. As an example, if someone is in the shower and the kitchen tap is turned on full, the temperature and flow are likely to remain more stable if a flow regulator is used. Limiting the flow for a tap or appliance to a reasonable rate helps balance the available pressure throughout the system.

Regulating flow allows a simpler design and minimum pipe sizes as peak flow rates can be specified accurately and can also reduce noise, splashing taps, and water hammer. Pipes must be sized to achieve flow rates set out in accordance with Table 3 see table belowor the pipes must be sized in accordance with Table 4. When calculating pipe size, the speed of the water velocity moving through the pipes must not exceed 3. The flow rates in Table 3 must be capable of being delivered simultaneously to the kitchen sink and one other fixture.

In the design process, the layout of the plumbing system will largely follow room layout. Backflow is the unplanned reversal of flow of water or water and contaminants into the water supply system. The system must be designed and used to prevent contamination from backflow.Learn More. This edition includes many updates to reflect the increased usage of PEX systems in a variety of residential applications like water reuse and retrofit applications.

New information has been added to almost every chapter including: standards updates in Chapter 3; updates to all applicable national plumbing, mechanical, and building codes in Chapter 4 including new green construction codes; updates to fitting systems in Chapter 5; and new design information on fixture flow rates and water hammer in Chapter 8.

There have been many changes to national green building standards over the past few years. Many of those changes are captured throughout the document. In addition to the many updates, we are pleased to note the participation of third party certification bodies in the creation of this guide. It is believed that this new level of cooperation will make this guide easier to use and provide more value to installers and inspectors alike.

This Design Guide provides the information and resources necessary to design and install cross-linked polyethylene PEX water supply systems in residential buildings. It includes comprehensive design concepts and installation guidelines to increase the acceptance and proper use of PEX. This document is targeted to meet the needs of home builders, designers, and trade contractors. Its purpose is to introduce potential users to PEX and to enable current users to optimize their PEX plumbing and fire sprinkler systems, and to minimize system costs.

In addition, it will allow code inspectors and homeowners to become familiar with the applications, performance characteristics, and benefits of PEX water supply systems.

Market Research. Building Science. Product Testing. Trends Leading the way with innovative, fresh ideas for builders and manufacturers. Data Providing materials insight through custom data and reports. Reports Setting the standard in the building industry through cutting edge research. All PDF 23 Mb.

water supply layout for residential building pdf

Please enter your email address. Please enter a valid email address.Water is a basic resource for the development of human civilization, its the lifeblood of agriculture and the whole economic development. With the development of economy, the improvement of production and living needs, all aspects of water resources is more strict requirements are put forward. In this paper, we will discuss the aspects of the construction of water supply system to discuss effects on rural residential construction layout.

Request Permissions. The new rural construction [J]. Water supply and drainage system planning of urban and rural planning,8: 41 and Beijing: China building industry press, All Rights Reserved.

water supply layout for residential building pdf

Registration Log In. Paper Titles. The Influence from Water Supply System to the Article Preview. Abstract: Water is a basic resource for the development of human civilization, its the lifeblood of agriculture and the whole economic development. Add to Cart. Advanced Materials Research Volumes Edited by:. Cite this paper. Online since:. September Cited by. Added To Cart. This paper has been added to your cart. To Shop To Cart.


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