University of Khartoum

Design of a sanitary sewer system network

Design of a sanitary sewer system network

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Title: Design of a sanitary sewer system network
Author: Shareif M. Sharaf Eldin, Imad Eldin
Abstract: Sewer system is an important sanitation option in pre-urban areas of developing countries, especially as it is often the only technically feasible solution in these high-density areas. It is the purpose of this thesis to disseminate this technology in the case study, so that to improve the health of the community. However, sewer system is not just for pre-urban areas – it can be successfully and appropriately used in middle-and upper-income areas as well. The on-site sanitation systems used extensively, coupled with improper disposal of effluents (septic tanks and disposal wells) have become the main source of pollutants to environment. Ground water quality in particular will be adversely affected by chemical pollution due to the intense disposal of septic tanks effluents into shallow aquifers. The thesis was organized in five chapters :Chapter (1): Introduction, Chapter (2): Literature review, Chapter (3): Methodology and Materials to include: Preparation for field survey for the case study. Field survey in ALSAFIA urban area, as a source of primary data. Apply codes of practice to design sanitary sewer system. Chapter (4): Analysis of data and Discussion : Analysis of the data from the field survey involves the analysis of sanitation and environmental conditions in the case study and designing a sewer system network as a provision of sanitation systems for the community. Chapter (5): Conclusions and Recommendations. An area in Khartoum north (Elsafia area) was selected to carry out a design for conventional sewers system due to its dense population and intensive use of septic tank and disposal of effluent into ground water aquifers. Promising results were obtained from the research and can be implemented to reduce the environmental risk of on-site sanitation. An area in Khartoum north (Elsafia area) was selected to carry out a design for conventional sewers system due to its dense population and intensive use of septic tank and disposal of effluent into ground water aquifers. Promising results were obtained from the research and can be implemented to reduce the environmental risk of on-site sanitation. From the results obtained on the table we note that the network extend to a length of (1.150 to 1.300 km) and a width of (0.675 to 0.800 km) serving about 70 blocks. The sewers line are 98 lines with the diameters range between 150 to 600 mm, two of them have a diameter of 150 mm, and five of the main sewers have 600 mm with the length of 50 m, 195 m, 150 m, 75 m, and 65 m with the allow a growth increase of 50% in the future. The gradients are in the range 0.004 to 0.015. The self – cleansing velocities range 0.63 to 2.984 m/sec (see the profiles figures). From the results obtained on the table we note that the network extend to a length of (1.150 to 1.300 km) and a width of (0.675 to 0.800 km) serving about 70 blocks. The sewers line are 98 lines with the diameters range between 150 to 600 mm, two of them have a diameter of 150 mm, and five of the main sewers have 600 mm with the length of 50 m, 195 m, 150 m, 75 m, and 65 m with the allow a growth increase of 50% in the future. The gradients are in the range 0.004 to 0.015. The self – cleansing velocities range 0.63 to 2.984 m/sec (see the profiles figures). From the results obtained on the table we note that the network extend to a length of (1.150 to 1.300 km) and a width of (0.675 to 0.800 km) serving about 70 blocks. The sewers line are 98 lines with the diameters range between 150 to 600 mm, two of them have a diameter of 150 mm, and five of the main sewers have 600 mm with the length of 50 m, 195 m, 150 m, 75 m, and 65 m with the allow a growth increase of 50% in the future. The gradients are in the range 0.004 to 0.015. The self – cleansing velocities range 0.63 to 2.984 m/sec (see the profiles figures
URI: http://khartoumspace.uofk.edu/handle/123456789/9817
Date: 2015-04-28


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