Benefits of rainwater harvesting rainwater harvesting provides the longterm answers to the problem of water scarcity. Thus it is important to improve rain water harvesting through technical and financial prospects. Draft project proposal on rainwater harvesting at nit campus. The word permaculture originally made reference to permanent agriculture, then was expanded to. Rainwater harvesting seminar and ppt with pdf report study mafia. In this study, the rain water harvesting rwh system is analyzed as a alternative source of water at campus of government college of engineering, aurangabad geca in the state of maharashtra, india. Rain water harvesting roof water management free 30day. Presented by rajesh kumar gupta suraj kumar vishwakarma 2. The designation employed and the presentation of material in this publi. The use of rainwater harvesting systems is often overlooked by engineers and planners, generally because these systems often require added effort in the planning and development stages due the diffuse nature of these projects. Introduction the water store the tank accounts for a large fraction of the cost of any roofwater harvesting system. Using rainwater, where appropriate, conserves potable.
Rainwater harvesting offers an ideal solution in areas where there is sufficient rain but inadequate ground water supply and surface water resources are either lacking or are insufficient. It has had a tremendous impact in recharging the groundwater table all over tamil nadu. The book on rain water harvesting is an attempt by iricen to propagate the concept of rain water harvesting which can be effectively implemented in our office and residential establishments. Sep 28, 2016 grow salad greens all winter for less than 20 dollars gardening tips roots and refuge duration. Introduction what is it, objectives, methods, components, advantages, disadvantages. Today rainwater harvesting is being used worldwide for drinking human and livestock and agricultural purposes. The subject has assumed lot of significance in the present scenario.
Overview and examples of water harvesting systems for agriculture. Explore rainwater harvesting with free download of seminar report and ppt in pdf and doc format. Rain water harvesting free download as powerpoint presentation. Pdf a project report on rainwater harvesting at amit. Assessment of best practises and experience in water harvesting. Introduction water is essential for all life of forms on earthincluding human, animal and vegetation. Rainwater harvesting is an old practice that is being adopted by any nations as a viable m decentralized water source.
Rainwater harvesting is the collection and storage of rainwater for reuse onsite, rather than allowing it to run off. The rain water harvesting movement launched in 2001 was the brainchild of the honourable chief minister. Either, we can store it in tanks or we can use it to recharge groundwater depending upon the situation. Acknowledgement through the means of powerpoint presentation slides, we students of batch 201115, civil engineering department, manit, have made a small effort to study the employed techniques in the field of rainwater harvesting in iran.
Training on documentation and evaluation of water harvesting projects. Liability for the accuracy, completeness, or usefulness of information in this report. Rain water harvesting in srilanka rainwater harvesting has been a popular method of obtaining water for agriculture and for drinking purposes in rural homes. Rainwater harvesting reduces flow to stormwater drains and also reduces nonpoint source pollution. Storage can range from small containers made for other purposes, for example oil drums, food cans etc, but used as domestic storage, up to large tanks of 150 cubic metres. Methods of rainwater harvesting components, transport and.
Also explore the seminar topics paper on rainwater harvesting with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Rainwater harvesting is a technology used to collect, convey and store rain for later usage it involves direct collection and storage of the runoff rainwater for direct use in future. Rainwater harvesting is an environentally m sound solution to address issues brought orth by large rojects fp. Scribd is the worlds largest social reading and publishing site. It is the term used to indicate the collection and storage of rain water used for human, animals and plant needs. Rain water harvesting presentation free download as powerpoint presentation. Rainwater harvesting as a way to support ecosystem services. Rainwater harvesting reduces consumers utility bills. Individual rainwater harvesting systems are one of the any tools to m meeting the growing water demand. Rain water may be utilized for both potable and nonpotable requirements such as. Rainwater harvesting systems can be as simple as a rain barrel for garden irrigation at the end of a downspout, or as complex as a domestic potable system or a multiple enduse system at a large corporate campus. Rainwater harvesting and rural livelihoods in nepal. There are many rainwater harvesting opportunities on developed sites and even very small yards. Rainwater harvesting seminar and ppt with pdf report.
Water harvesting food and agriculture organization of the united. An analysis of household rainwater harvesting schemes in. The different usage of harvested rainwater can be for domestic purposes like cooking. A4 recommendations for designing rainwater harvesting system tanks 1 1. The collection and concentration of rainwater and runoff and its productive use. It is one of the purest form of water found on earth, because it is collected after it has vaporized and is almost as good as distilled water. Introduction to water harvesting free download as powerpoint presentation. The aim is to enhance soil infiltration at the site and improving rainfed cultivation through water storage. The concept, components and methods of rainwater harvesting presentation. Rainwater harvesting is the practice of collecting the water produced during rainfall events before it has a chance to run off into a river or stream or. It is therefore important that adequate supplies of water be developed to sustain such life where there is no surface water, where groundwater is deep or inaccessible due to hard ground. Harvested rain water can be stored in subsurface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage. Rainwater harvesting has been practiced for more than 4,000 years, owing to. Improves the quality of ground water through dilution when recharged 5.
Harvesting, storing, and treating rainwater for domestic use chapter 1 introduction rainwater and snowmelt are the primary sources of all drinking water on the planet. The user of this document is authorized to do only the following. Rainwater harvesting is a technology used for collecting and storing rainwater from rooftops, the land surface or rock catchments using simple techniques such as jars and pots as well as more complex techniques such as underground check dams. In urban area rainwater flows away as surface runoff.
Rainwater harvesting the provision of the storage tank is the most costly element of a rainwater harvesting project, usually about 90% of the total cost. For the love of physics walter lewin may 16, 2011 duration. Rainwater harvesting, in its broadest sense, is a technology used for collecting and storing rainwater for human use from rooftops, land surfaces or rock catchments using simple techniques such as jars and pots as well as engineered techniques. Rain water harvesting presentation linkedin slideshare. This has been included in indian railway works manual 2000 vide correction slip no. Most poor households cannot afford to buy as large a tank as their roof catchment area might justify. Ppt rainwater harvesting powerpoint presentation free to. Our earth is covered with 75% of water and 25% of land but water scarcity is a global issue because the large extent of water is not used for the domestic purpose, irrigation purpose and one of the solutions for such problem is the rainwater harvesting.
In urban areas, rainwater flows away as surface runoff. Rainwater harvesting helps u tilities reduce the summer demand peak and delay expansion of existing water treatment plants. Rainwater harvesting is a technique of collecting rainwater and storing it for use. Dec 26, 2017 rainwater harvesting is a strategy of collection and storage space of rainwater into natural reservoirs or tanks, or the seepage of surface water into subsoil water channels. Introduction to water harvesting water resources harvest. Importance of rain water harvesting and future rain water harvesting plays an important role in agriculture useful for urban areas it is important to save the water for the future. Each drainpipe should have mesh filter at mouth and first flush device before connecting to storage tank.
The legislation to promote rainwater harvesting was enacted through the urban development authority amendment act, no. Our earth is covered with 75% of water and 25% of land but water scarcity is a global issue because the large extent of water is not used for the domestic purpose, irrigation purpose and one of the solutions for such problem is the rainwater harvesting in the areas of regular rainfall, the perfect alternative to overcome the water. Rainwater harvesting is an excellent means of supplementing water for use on site if the process is permitted by state andor local laws. Rain water harvesting rwh techniques have been utilized throughout time as some irrigation methods have been used by the people of ur present iraq around 4500 bc and are at present used in india khadin structures. It is hoped that this will serve as a helpful guide to the field engineers. It involves collection and storage of rain water at surface or in subsurface aquifer, before it is lost. Rain water harvesting can be effectively implemented in our office and residential complexes for conservation of rain water. Rainwater harvesting seminar report, ppt, pdf for civil. Rainwater harvesting systems and its features rainwater harvesting is a simple technique of catching and holding rainwater where its falls. This m ethod provides the best pretank filtration by way of the w isy vortex filter, which is regarded internationally as the best prefiltration m ethod.