142 resultados para Sewerage.


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Urban expansion continues to encroach on existing or newly implemented sewerage infrastructure. In this context, legislation and guidelines, both national and international, provide limited direction to the amenity allocation of appropriate buffering distances for land use planners and infrastructure providers. A review of published literature suggests the dominant influences include topography, wind speed and direction, temperature, humidity, existing land uses and vegetation profiles. A statistical criteria review of these factors against six years of sewerage odour complaint data was undertaken to ascertain their influence and a complaint severity hierarchy was established. These hierarchical results suggested the main criteria were: topographical location, elevation relative to the odour source and wind speed. Establishing a justifiable criterion for buffer zone allocations will assist in analytically determining a basis for buffer separations and will assist planners and infrastructure designers in assessing lower impact sewerage infrastructure locations.

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Urban expansion continues to encroach on once isolated sewerage infrastructure. In this context,legislation and guidelines provide limited direction to the amenity allocation of appropriate buffer distances for land use planners and infrastructure providers. Topography, wind speed and direction,temperature, humidity, existing land uses and vegetation profiles are some of the factors that require investigation in analytically determining a basis for buffer separations. This paper discusses the compilation and analysis of six years of Logan sewerage odour complaint data. Graphically,relationships between the complaints, topographical features and meteorological data are presented. Application of a buffer sizing process could assist planners and infrastructure designers alike, whilst automatically providing extra green spaces. Establishing a justifiable criterion for buffer zone allocations can only assist in promoting manageable growth for healthier and more sustainable communities.

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The disposal of sewage is the most important item in public sanitation. It is the most important present day problem in every city whether large or small. The direct cause of the majority of epidemics is the contamination of the water supply of the city by the excreta of man or animal. Public health varies directly as public sanitation, and if the public sanitation be good, the liability of sickness caused by contamination of the water supply is greatly lessened. When a city outgrows its sewerage system the public health becomes endangered. There are two causes for the increased amount of sewerage, increase in population and increase in industrial and manufacturing wastes. The main problem in this connection is the ultimate disposal of the matter which reaches the sewers.

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Without sewers, more children die, and those who survive suffer in terms of physical growth and educational attainment. Donor policies and advice on sewers are wrong in three key respects. Sewers in cities are not optional extras but essential. Sewers need to be financed by taxation not user charges. And sewers in cities are affordable for most countries, many of whom are already investing in sewers in their cities. The aid needed is concentrated in a few countries, and this is affordable for rich countries.

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Includes bibliography

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Mode of access: Internet.

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Mode of access: Internet.

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For earlier file, whose numbering it continues, see: Detroit Metro Water Dept. Operating report.

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Mode of access: Internet.