School of Built Environment (SBE)
http://hdl.handle.net/10570/28
2024-03-28T14:52:16ZAccessing the Sewer Infrastructure Susceptible to damage due to Flooding in Kampala Area
http://hdl.handle.net/10570/12220
Accessing the Sewer Infrastructure Susceptible to damage due to Flooding in Kampala Area
Namuli, Pauline
Sustained periods of heavy rain can be more problematic than a few puddles, flooding is becoming
an issue in several areas of Uganda. The changes in climate are causing increased storm surges
and, as a result, an increase in the number of yearly floods. The amount of stormwater is also
increasing in many geographical areas. These floods are gradually becoming a threat to the sewer
infrastructure including sewer pipes and manholes. Sewer overflows are on the increase same
applies to broken and damaged manholes and sewer pipes.
This project embarked on determining the flood susceptible areas of Kampala area and after which
determine the sewer infrastructure within these flood zones that is prone to damage due to
flooding. The infrastructure at risk was obtained by multiplying the Hazard,
Exposure and Vulnerability Factors. The Multi-criteria analysis method used six parameters of
Slope, Flow Accumulation, Geology, Elevation, Rainfall, and Land use/Land Cover to
determine the flood susceptible areas of the Kampala area. This was considered the Hazard factor
The Sewer infrastructure was then obtained and a density map showing its location concentration
geographically generated after normalization, this becomes the Exposure factor. The Vulnerability
of the sewer network was obtained by considering the pipe size and pipe material. The project
found out that the sewer infrastructure that is at risk of damage is in the areas of
- Makerere Kavule
- Lugogo by-pass
- Kyambogo- along Kyambogo road
- Kibuli- along Albert cook road
- Kibuye- along kayemba road
The project recommended frequent de-silting of the stormwater and open drainages to reduce
the vulnerability of the sewer infrastructure. Improvement of the attribute data of the sewer
infrastructure to include age and condition will eventually lead to a better analysis of the sewer
vulnerability for future studies.
A final year project report submitted to the College of Engineering, Design, Art and Technology in partial fulfillment of the requirement for the award of Master of Science in Geo-information Science and Technology of Makerere University.
2023-06-22T00:00:00ZAlwi dry corridor water supply project in Nyarwodo, Nebbi District
http://hdl.handle.net/10570/6823
Alwi dry corridor water supply project in Nyarwodo, Nebbi District
Nabbuma, Mariam
This report is about the ALWI DRY CORRIDOR WATER SUPPLY PROJECT, in
NYARWODO which was an initiative by The Ministry of Water and Environment to supply
water to the people of Nebbi and ensure sanitation in the area. Chapter one mainly talks about the
project itself thus, the contractors, who were Vambeco Ent Ltd, the consultants, Alliance
Consultants Limited, the contract commencement, finish date, and the overall cost of the project.
Chapter two follows with the project works, thus, construction of water treatment plant and all
the activities involved like, concrete works, pipe work and the procedures and methodologies
adapted at each stage to ensure quality. Chapter three gives a brief description of the project
management issues, thus, cost, time and quality and how each was achieved on this project.
Lastly the lessons learnt, recommendations and the conclusions come in the fourth chapter.
In a nut shell the project had an efficient project management team, proper information flow, and
communication, compliance to the contractual obligations by all the parties and thus there were
limited cost overruns, good quality works and a few delays, therefore, for any project to be
successful, it should have a good project manager.
2018-01-01T00:00:00ZAnalyses of spatio–temporal dynamics of wetland cover in Kampala
http://hdl.handle.net/10570/8524
Analyses of spatio–temporal dynamics of wetland cover in Kampala
Wanyama, Wilberforce
Globally, wetland cover is declining due to the fragile nature of these ecosystems and unplanned land consumption practices. Kampala has undergone tremendous transformation in its landuse/landcover due to rapid urbanization. It has therefore become important for environmental planners to extract, detect, monitor and predict wetland cover changes. The objective of this research was to evaluate the spatio-temporal dynamics of wetlands in Kampala using GIS, RS techniques and Land change modeler between the years 1986 to 2016 so as to forward and encourage development interventions. To estimate the land cover change in Kampala, Landsat ETM ETM+ for 1986,1996,2006 and 2016 respectively were analyzed using ArcGIS10.0 and IDRISI Selva. After processing the imagery/land use/land cover, (LULC) images were classified, analyzed and used to predict the future wetland cover of 2040 using Land Change Modeller (LCM) of TerrSet software. The data for road network, and population data for Kampala, were used as ancillary data to run the modeller. The study adapted the Kappa index for assessing accuracy of the landuse/cover maps generated from the analysis to improve the accuracy of results. An accuracy level of 89.2% was achieved. The results reveal an overall significant increase in built-up area and other landuses at the expense of wetlands from 30.6% in 1986 to 6.1% in 2016. Wetlands lost 3,535 ha to built and woodlots 1,200 ha and a minor proportion to open water. Woodlots and built-up constituted more than half of the total area of Kampala with 4,523.3 ha (23.3%) and 12,117.1 ha (62.3%) respectively. The remaining portion of the area is covered by open water with 1,621.7 ha (8.3%). The study projects a further decline of wetland cover by 428 ha (or by 2.2%), built up covering 15,643.7 ha ( 80.4%) and woodlots with 1,759 ha (9.0%) in 2040 if steps are not instituted to control the rate of decline. These results provide new insights for predicting future changes of wetland vegetation influenced by the on-going threats from climate change and human activities, and form a foundation for sustainable wetland management in Kampala. The study further recommends more research on wetland valuation (including indirect and non-use values) in Kampala should be conducted. This may assist in assessing trade-offs between maintenance of intact wetland against its conversion into other uses.
A dissertation submitted to Directorate of Research and Graduate Training in partial fulfilment of the requirements for the award of the degree of Master of Science in Geo-Information Science and Technology of Makerere University
2021-05-05T00:00:00ZAnalysis of Phenological and Growing season dynamics in Savannah ecosystem of Karamoja sub-region, Uganda.
http://hdl.handle.net/10570/7652
Analysis of Phenological and Growing season dynamics in Savannah ecosystem of Karamoja sub-region, Uganda.
Magaya, John Paul
Vegetation phenology is an important control on the global fluxes of energy, water, and carbon from terrestrial ecosystems and is a useful indicator of ecosystem response to climate variability and change. However, few studies have focused on the phenology dynamics of different savannah vegetation types and associated fluxes as indicators for length of growing season. This study i) identified savannah phenological characteristics, ii) determined the effect of rainfall on savanna phenology and, iii) determined the length of growing season in Karamoja sub-region. The Moderate Resolution Imaging Spectro-radiometer’s Normalized Difference Vegetation Index (MODIS NDVI) imagery (MOD13Q1) was used. Rainfall data obtained from the National Centers for Environmental Prediction (NCEP) with a daily temporal resolution and gridded resolution of 0.2 x 0.2 degrees was used. Phenological attributes from four major savannah vegetation types (bushland, grassland, thickets and woodland) with eight savannah phenological characteristics (Time of onset of greenness ,Time of end of greenness, Duration of greenness ,Time of maximum NDVI, Value of onset of greenness, Value of end of greenness, Value of maximum NDVI, Range of NDVI which were categorized as Temporal NDVI metrics and NDVIvalue metrics) and rainfall effect on phenological dynamics and length of growing season were analyzed in R and TIMESAT analytical software. Phenological characteristics results revealed that thickets had the earliest onset of greenness (85th day) and earliest end of greenness time (244th day) with maximum greenness, onset NDVI value, and end NDVI value of 0.68, 0.42 and 0.57 respectively. In addition, woodland revealed the highest Max NDVI value, Onset NDVI value, End of greenness NDVI value and least Range of NDVI value of 0.73, 0.56, 0.67 and 0.18 respectively. Rainfall as a driver of phenological change had a positive and significant effect over the 18 year period of analysis on bushland, grassland, thickets and woodland with correlation coefficient of 0.704, 0.722, 0.701, and 0.65 respectively. On average, the start, end and length of growing season were found to occur in pentad 23 (April 19th - 20th), pentad 47 (August 22rd - 23rd) and 123 days respectively. These results reveal that green up of savannah vegetation has positive relationship with rainfall but the start and end of green up is less influenced by the start and end of the rains. Therefore, it is recommended that there is need to couple other drivers such as fires with rainfall for a comprehensive monitoring of savannah vegetation phenological dynamics in Karamoja sub-region.
A thesis submitted to the directorate of research and graduate training in partial fulfillment of the requirements for the award of the Master of Science degree in Geo-information Science and Technology of Makerere University.
2019-11-20T00:00:00Z