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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Optimal use of rainwater tanks to minimize residential water consumption

Khastagir, Anirban, anirban.khastagir@rmit.edu.au January 2008 (has links)
Melbourne, the capital of Victoria Australia leads the world in having the highest quality drinking water. The Victorian State Government has set targets for reducing per capita water consumption by 15%, 25% and 30% by 2010, 2015 and 2020 respectively and has announced stringent water restrictions to curtail water demand. In this resource constraint environment it is opportune to look for alternative sources of water to supplement Melbourne's traditional water supply. In Melbourne, legislation has been changed to make it possible to use rainwater harvested from domestic tanks for non potable purposes. The annual rainfall in Melbourne's metropolitan area varies from 450mm in the West to 850mm in the East to over 1000mm in the North East mountain ranges. The objectives of the current study are to develop a methodology to estimate the optimal size of the rainwater tank at a particular location considering the local rainfall, roof area, demand for water and the reliability of supply (supply security) required; to quantify the rainwater volume that could be harvested at site using domestic rainwater tanks to minimise pressure on the potable water supply secured from traditional catchment sources until the desalination plant is commissioned in 2013; to analyse the efficacy of rainwater tanks to reduce the stormwater runoff and improve the quality of the stormwater that will otherwise flow into urban drains and to estimate the cost effectiveness ratio and payback period of inst alling rainwater tanks. A simple water balance model was developed to calculate the tank size based on daily rainfall, roof area and the expected demand. The concept of 'reliability' was introduced to measure supply security. Rainfall data from 20 rainfall stations scattered around Melbourne were used to determine the variation in the rainwater tank size dependent on the above stated parameters. It was observed that to achieve the same supply reliability (90%) and to meet a specific demand (toilet and garden use), the tank size required in the western side of Melbourne is as high as 7 times as that required in the north-east side. As a result, the
2

Novostavba vinařského domu / Wine making house

Kouřilová, Vendula January 2015 (has links)
The subject of this master thesis is a design of wine house which comes together with restaurant and accommodation in Strazovice near Kyjov. It includes design study and all the detailed drawings of the building. The building is designed with three services - winery, restaurant and accommodation. Winery is divided into separate rooms for wine processing, finishing and wine aging, also storage, distribution and sale of wine. Canteen service includes kitchen with accessories, restaurant with dining, separated lounge, vaulted cellar and room for degustation. Lounge, cellar and degustation room is primary determined for different corporate events, conferences, weddings, family events and others. For building were chosen descending lands at the edge of Strazovice.. The main reason for this decision is the view that this place provides because of its higher position. Also this village is a part of region, for which wine production is typical. The shape of the object is rectangular and consists of three floors. Two upper floors are receding with comparison to the first floor. This formed a part of terrace which is connected with the oval part on pillars. Basement is situated completely below ground, only the south side is partly uncovered. Construction is made of reinforced concrete. Ground floors are with ventilated frontage. Frontage of the first floor is covered with wooden cladding, and frontage of the second floor is covered with plaster. Vertical constructions are made of lime-sand blocks and horizontal constructions are reinforced concrete. The roof is built of wooden trusses with arched upper part. On the roof there are installed photovoltaic panels for electricity which is used in the building. Rainwater is held in tank, servers as a water supply for the building. Wastewater is depurated in small sewage plant which is further conducted into the building. Other wastewater is captured in the sump. Projection of the winery emphasis, inter alia, on static and

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