The child support grant in the Mdantsane and Potsdam communities
- Authors: Rasi, Nondwe Yvonne
- Date: 2015
- Subjects: Child support -- South Africa -- Eastern Cape , Child welfare -- South Africa -- Eastern Cape , Public welfare -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/5225 , vital:20822
- Description: Introduction and background to the study: This study investigates the impact of Child Support Grant on household access to food; education, and health care. The primary investigation is conducted between Mdantsane Township and Postdam communities, which are within Buffalo City Metro Municipality in the Eastern Cape.
- Full Text:
- Date Issued: 2015
- Authors: Rasi, Nondwe Yvonne
- Date: 2015
- Subjects: Child support -- South Africa -- Eastern Cape , Child welfare -- South Africa -- Eastern Cape , Public welfare -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/5225 , vital:20822
- Description: Introduction and background to the study: This study investigates the impact of Child Support Grant on household access to food; education, and health care. The primary investigation is conducted between Mdantsane Township and Postdam communities, which are within Buffalo City Metro Municipality in the Eastern Cape.
- Full Text:
- Date Issued: 2015
The classification performance of Bayesian Networks Classifiers: a case study of detecting Denial of Service (DoS) attacks in cloud computing environments
- Authors: Moyo, Lindani
- Date: 2015
- Language: English
- Type: Thesis , Masters , MSc (Computer Science)
- Identifier: vital:11405 , http://hdl.handle.net/10353/d1021327
- Description: In this research we propose a Bayesian networks approach as a promissory classification technique for detecting malicious traffic due to Denial of Service (DoS) attacks. Bayesian networks have been applied in numerous fields fraught with uncertainty and they have been proved to be successful. They have excelled tremendously in classification tasks i.e. text analysis, medical diagnoses and environmental modeling and management. The detection of DoS attacks has received tremendous attention in the field of network security. DoS attacks have proved to be detrimental and are the bane of cloud computing environments. Large business enterprises have been/or are still unwilling to outsource their businesses to the cloud due to the intrusive tendencies that the cloud platforms are prone too. To make use of Bayesian networks it is imperative to understand the ―ecosystem‖ of factors that are external to modeling the Bayesian algorithm itself. Understanding these factors have proven to result in comparable improvement in classification performance beyond the augmentation of the existing algorithms. Literature provides discussions pertaining to the factors that impact the classification capability, however it was noticed that the effects of the factors are not universal, they tend to be unique for each domain problem. This study investigates the effects of modeling parameters on the classification performance of Bayesian network classifiers in detecting DoS attacks in cloud platforms. We analyzed how structural complexity, training sample size, the choice of discretization method and lastly the score function both individually and collectively impact the performance of classifying between normal and DoS attacks on the cloud. To study the aforementioned factors, we conducted a series of experiments in detecting live DoS attacks launched against a deployed cloud and thereafter examined the classification performance in terms of accuracy of different classes of Bayesian networks. NSL-KDD dataset was used as our training set. We used ownCloud software to deploy our cloud platform. To launch DoS attacks, we used hping3 hacker friendly utility. A live packet capture was used as our test set. WEKA version 3.7.12 was used for our experiments. Our results show that the progression in model complexity improves the classification performance. This is attributed to the increase in the number of attribute correlations. Also the size of the training sample size proved to improve classification ability. Our findings noted that the choice of discretization algorithm does matter in the quest for optimal classification performance. Furthermore, our results indicate that the choice of scoring function does not affect the classification performance of Bayesian networks. Conclusions drawn from this research are prescriptive particularly for a novice machine learning researcher with valuable recommendations that ensure optimal classification performance of Bayesian networks classifiers.
- Full Text:
- Date Issued: 2015
- Authors: Moyo, Lindani
- Date: 2015
- Language: English
- Type: Thesis , Masters , MSc (Computer Science)
- Identifier: vital:11405 , http://hdl.handle.net/10353/d1021327
- Description: In this research we propose a Bayesian networks approach as a promissory classification technique for detecting malicious traffic due to Denial of Service (DoS) attacks. Bayesian networks have been applied in numerous fields fraught with uncertainty and they have been proved to be successful. They have excelled tremendously in classification tasks i.e. text analysis, medical diagnoses and environmental modeling and management. The detection of DoS attacks has received tremendous attention in the field of network security. DoS attacks have proved to be detrimental and are the bane of cloud computing environments. Large business enterprises have been/or are still unwilling to outsource their businesses to the cloud due to the intrusive tendencies that the cloud platforms are prone too. To make use of Bayesian networks it is imperative to understand the ―ecosystem‖ of factors that are external to modeling the Bayesian algorithm itself. Understanding these factors have proven to result in comparable improvement in classification performance beyond the augmentation of the existing algorithms. Literature provides discussions pertaining to the factors that impact the classification capability, however it was noticed that the effects of the factors are not universal, they tend to be unique for each domain problem. This study investigates the effects of modeling parameters on the classification performance of Bayesian network classifiers in detecting DoS attacks in cloud platforms. We analyzed how structural complexity, training sample size, the choice of discretization method and lastly the score function both individually and collectively impact the performance of classifying between normal and DoS attacks on the cloud. To study the aforementioned factors, we conducted a series of experiments in detecting live DoS attacks launched against a deployed cloud and thereafter examined the classification performance in terms of accuracy of different classes of Bayesian networks. NSL-KDD dataset was used as our training set. We used ownCloud software to deploy our cloud platform. To launch DoS attacks, we used hping3 hacker friendly utility. A live packet capture was used as our test set. WEKA version 3.7.12 was used for our experiments. Our results show that the progression in model complexity improves the classification performance. This is attributed to the increase in the number of attribute correlations. Also the size of the training sample size proved to improve classification ability. Our findings noted that the choice of discretization algorithm does matter in the quest for optimal classification performance. Furthermore, our results indicate that the choice of scoring function does not affect the classification performance of Bayesian networks. Conclusions drawn from this research are prescriptive particularly for a novice machine learning researcher with valuable recommendations that ensure optimal classification performance of Bayesian networks classifiers.
- Full Text:
- Date Issued: 2015
The cognitive rehabilitation of a sample of children living with HIV : a specific focus on the cognitive rehabilitation of sustained attention
- Authors: Basterfield, Candice
- Date: 2015
- Subjects: HIV-positive children -- Rehabilitation , Antiretroviral agents , HIV (Viruses) -- Side effects , Brain damage -- Patients -- Rehabilitation , Cognition disorders -- Patients -- Rehabilitation
- Language: English
- Type: Thesis , Masters , MSocSc
- Identifier: vital:3258 , http://hdl.handle.net/10962/d1017881
- Description: Pharmacological interventions to treat Human Immunodeficiency Virus (HIV) with antiretrovirals (ARVs), have dramatically improved the survival rates of HIV positive children maturing into adulthood. However, HIV-associated neurocognitive decline still persists in the era of ARVs. Within the framework of brain plasticity, a number of researchers have begun to assess the feasibility of cognitive rehabilitation therapy as a complement to ARVs to reverse neurocognitive decline as a result of HIV (e.g., Becker et al., 2012). Only one study has been conducted in South Africa, by Zondo & Mulder (2014), assessing the efficacy of cognitive rehabilitation in a paediatric sample. The current research builds on the above mentioned study by implementing an experimental approach to examine the effect of cognitive rehabilitation in a sample of both HIV positive and HIV negative children. Five HIV positive and six HIV negative children were assigned to either an experimental or control group. The experimental group underwent two months of cognitive rehabilitation therapy remediating sustained attention, whereas the control group took part in placebo activities. Sustained attention measures were taken before and after the intervention training sessions, using a sustained attention subtest from the Test of Everyday Attention for Children (TEA-CH). A Mann Whitney U Test revealed that the experimental group (Mdn=38.50) did not differ significantly from the control group (Mdn = 37.00) after the cognitive rehabilitation intervention, U=12.00, z= -.55, p= .66, r= -.17. But a Wilcoxon Signed Rank Test found that there was a significant improvement from pretest scores (Mdn=31.00) to posttest scores (Mdn=38.00) following the rehabilitation for HIV positive participants in the sample, T=15.00, z = -2.02, p= .04, r= -.90. This raises the possibility that cognitive rehabilitation could be used as a low cost intervention in underdeveloped contexts
- Full Text:
- Date Issued: 2015
- Authors: Basterfield, Candice
- Date: 2015
- Subjects: HIV-positive children -- Rehabilitation , Antiretroviral agents , HIV (Viruses) -- Side effects , Brain damage -- Patients -- Rehabilitation , Cognition disorders -- Patients -- Rehabilitation
- Language: English
- Type: Thesis , Masters , MSocSc
- Identifier: vital:3258 , http://hdl.handle.net/10962/d1017881
- Description: Pharmacological interventions to treat Human Immunodeficiency Virus (HIV) with antiretrovirals (ARVs), have dramatically improved the survival rates of HIV positive children maturing into adulthood. However, HIV-associated neurocognitive decline still persists in the era of ARVs. Within the framework of brain plasticity, a number of researchers have begun to assess the feasibility of cognitive rehabilitation therapy as a complement to ARVs to reverse neurocognitive decline as a result of HIV (e.g., Becker et al., 2012). Only one study has been conducted in South Africa, by Zondo & Mulder (2014), assessing the efficacy of cognitive rehabilitation in a paediatric sample. The current research builds on the above mentioned study by implementing an experimental approach to examine the effect of cognitive rehabilitation in a sample of both HIV positive and HIV negative children. Five HIV positive and six HIV negative children were assigned to either an experimental or control group. The experimental group underwent two months of cognitive rehabilitation therapy remediating sustained attention, whereas the control group took part in placebo activities. Sustained attention measures were taken before and after the intervention training sessions, using a sustained attention subtest from the Test of Everyday Attention for Children (TEA-CH). A Mann Whitney U Test revealed that the experimental group (Mdn=38.50) did not differ significantly from the control group (Mdn = 37.00) after the cognitive rehabilitation intervention, U=12.00, z= -.55, p= .66, r= -.17. But a Wilcoxon Signed Rank Test found that there was a significant improvement from pretest scores (Mdn=31.00) to posttest scores (Mdn=38.00) following the rehabilitation for HIV positive participants in the sample, T=15.00, z = -2.02, p= .04, r= -.90. This raises the possibility that cognitive rehabilitation could be used as a low cost intervention in underdeveloped contexts
- Full Text:
- Date Issued: 2015
The Cohen and Kuttel stories: is the place where I hang my hat still relevant to determine my residence for tax purposes?
- Arendse, Jacqueline A, Stark, Karen, Renaud, Craig
- Authors: Arendse, Jacqueline A , Stark, Karen , Renaud, Craig
- Date: 2015
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/131285 , vital:36549 , DOI: 10.25159/1998-8125/5779
- Description: Determining the residence of a taxpayer is one of the most important aspects of modern tax systems. For an individual taxpayer who migrates, a common trend in the modern world, the questions are where the person is ordinarily resident and whether the place of ordinary residence can change.
- Full Text:
- Date Issued: 2015
- Authors: Arendse, Jacqueline A , Stark, Karen , Renaud, Craig
- Date: 2015
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/131285 , vital:36549 , DOI: 10.25159/1998-8125/5779
- Description: Determining the residence of a taxpayer is one of the most important aspects of modern tax systems. For an individual taxpayer who migrates, a common trend in the modern world, the questions are where the person is ordinarily resident and whether the place of ordinary residence can change.
- Full Text:
- Date Issued: 2015
The consideration and improvement of the sustainability performance monitoring framework for South African water boards
- Authors: Thompson, Craig Howard
- Date: 2015
- Subjects: South Africa -- Department of Water Affairs -- Management , Water-supply -- Law and legislation -- South Africa , Performance -- Management , Environmental auditing -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:858 , http://hdl.handle.net/10962/d1018916
- Description: The South African Constitution ensures the right to adequate water, health services and a healthy environment (Government Gazette, 1996: 1251, 1255). Associated legislation and national strategies require that water resources and water services are rendered in a sustainable manner to ensure the rights enshrined in the Constitution are realised (Trialogue, 2010: 34; Government Gazette, 1998(c):11; Department of Water Affairs (DWA), 2003:9). South Africa is the 30th driest country in the world (DWA, 2013: iii), has impounded most of its surface water resources and has utilised 40 percent of the groundwater resource with remaining groundwater water quality uncertain (DWA, 2013:6-7). Despite achieving the basic water and sanitation Millennium Development Goals approximately 2.2 million and 4.5 million households still require access to basic services respectively (DWA, 2013:28-29). South Africa’s ten water boards play a key role in bulk water service provision. They supply 57 percent of the countries domestic water supply (DWA, 2013:19) and are required to provide sustainable water services (Government Gazette, 1997:35). The Department of Water Affairs (Department of Water and Sanitation (DWS) as of June 2014) is mandated to monitor the performance of water boards and monitors of water boards through a Share Holders Compact (SHC) (Government Gazette, 1997: 50). The aim of the research is to achieve the following objectives: 1. Describe best practice for sustainability monitoring frameworks for water services. 2. Outline South Africa’s water services mandatory and voluntary requirements with regards to sustainability monitoring. 3. Evaluate South Africa’s current water services performance monitoring framework for water boards against findings from goals one and two. 4. Develop an improved framework for assessing South African water board’s performance in their compliance and sustainability journey. 5. Demonstrate the improved framework functionality with a sample of water boards audited performance data from the 2012/13 financial year. A qualitative normative theory evaluation research method was utilised to achieve first three objectives of the research. The objectives to first understand current best practice for sustainability monitoring frameworks and the mandatory requirements for water services sustainability monitoring frameworks in South Africa was achieved via an extensive literature review. The evaluation research method was used where South Africa’s current water services monitoring framework for water boards was evaluated for its adequacy to monitor sustainability compared with legislated requirements, national and international best practices (Hall et al, 2004: 55). Data collection for the evaluation research was sourced via documentation analysis. The 2012/13 water board audited annual reports, relevant national water services legislation, national and global water service sustainability monitoring best practices were critically reviewed. The review yielded a “thick description” of sustainability performance monitoring framework requirements that was used to evaluate the SHC (Holliday, 2002: 79). Despite the mandatory participation requirement for successful sustainability performance monitoring being met, the SHC was found to have inadequate aspects. It lacks an outcomes based approach, does not include environmental indicators, does not allow water board sustainability performance comparison and cannot indicate where individual water boards are on their sustainability journey. An improved sustainability performance monitoring framework for South African water boards is therefore proposed. This was developed with the assistance of an expert focus group drawn from multiple disciplines and organizations relevant to water board sustainability (Litosseliti, 2003: 8 and Hall et al, 2004: 51). The functionality of the framework is then demonstrated using 2012/13 audited performance data sourced from the annual reports of Overberg, Amatola, Rand and Umgeni Water boards. The proposed Water Services Sustainability Monitoring Framework (WSSMF) quantifies performance in terms of 10 water utility outcomes that are measured with 88 performance indicators that encompass the financial, social, environmental and governance dimensions of sustainability. The WSSMF demonstrated that the legislated intentions and best practice recommendations can be incorporated into an improved version of the SHC. Further refinement of the WSSMF is required. In depth engagement with DWS and all the water boards would promote the refinement of the indicator set, performance thresholds for indicators and indicator weighting. Further testing through a pilot project initiative would allow the WSSMF to be developed into a robust and adequate sustainability performance monitoring framework for South African water boards (Rametsteiner et al, 2011: 64; Muga and Mihelcic, 2008: 438; McAlphine and Birnie, 2005: 247 and van Leeuwen et al, 2012: 2192).
- Full Text:
- Date Issued: 2015
- Authors: Thompson, Craig Howard
- Date: 2015
- Subjects: South Africa -- Department of Water Affairs -- Management , Water-supply -- Law and legislation -- South Africa , Performance -- Management , Environmental auditing -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:858 , http://hdl.handle.net/10962/d1018916
- Description: The South African Constitution ensures the right to adequate water, health services and a healthy environment (Government Gazette, 1996: 1251, 1255). Associated legislation and national strategies require that water resources and water services are rendered in a sustainable manner to ensure the rights enshrined in the Constitution are realised (Trialogue, 2010: 34; Government Gazette, 1998(c):11; Department of Water Affairs (DWA), 2003:9). South Africa is the 30th driest country in the world (DWA, 2013: iii), has impounded most of its surface water resources and has utilised 40 percent of the groundwater resource with remaining groundwater water quality uncertain (DWA, 2013:6-7). Despite achieving the basic water and sanitation Millennium Development Goals approximately 2.2 million and 4.5 million households still require access to basic services respectively (DWA, 2013:28-29). South Africa’s ten water boards play a key role in bulk water service provision. They supply 57 percent of the countries domestic water supply (DWA, 2013:19) and are required to provide sustainable water services (Government Gazette, 1997:35). The Department of Water Affairs (Department of Water and Sanitation (DWS) as of June 2014) is mandated to monitor the performance of water boards and monitors of water boards through a Share Holders Compact (SHC) (Government Gazette, 1997: 50). The aim of the research is to achieve the following objectives: 1. Describe best practice for sustainability monitoring frameworks for water services. 2. Outline South Africa’s water services mandatory and voluntary requirements with regards to sustainability monitoring. 3. Evaluate South Africa’s current water services performance monitoring framework for water boards against findings from goals one and two. 4. Develop an improved framework for assessing South African water board’s performance in their compliance and sustainability journey. 5. Demonstrate the improved framework functionality with a sample of water boards audited performance data from the 2012/13 financial year. A qualitative normative theory evaluation research method was utilised to achieve first three objectives of the research. The objectives to first understand current best practice for sustainability monitoring frameworks and the mandatory requirements for water services sustainability monitoring frameworks in South Africa was achieved via an extensive literature review. The evaluation research method was used where South Africa’s current water services monitoring framework for water boards was evaluated for its adequacy to monitor sustainability compared with legislated requirements, national and international best practices (Hall et al, 2004: 55). Data collection for the evaluation research was sourced via documentation analysis. The 2012/13 water board audited annual reports, relevant national water services legislation, national and global water service sustainability monitoring best practices were critically reviewed. The review yielded a “thick description” of sustainability performance monitoring framework requirements that was used to evaluate the SHC (Holliday, 2002: 79). Despite the mandatory participation requirement for successful sustainability performance monitoring being met, the SHC was found to have inadequate aspects. It lacks an outcomes based approach, does not include environmental indicators, does not allow water board sustainability performance comparison and cannot indicate where individual water boards are on their sustainability journey. An improved sustainability performance monitoring framework for South African water boards is therefore proposed. This was developed with the assistance of an expert focus group drawn from multiple disciplines and organizations relevant to water board sustainability (Litosseliti, 2003: 8 and Hall et al, 2004: 51). The functionality of the framework is then demonstrated using 2012/13 audited performance data sourced from the annual reports of Overberg, Amatola, Rand and Umgeni Water boards. The proposed Water Services Sustainability Monitoring Framework (WSSMF) quantifies performance in terms of 10 water utility outcomes that are measured with 88 performance indicators that encompass the financial, social, environmental and governance dimensions of sustainability. The WSSMF demonstrated that the legislated intentions and best practice recommendations can be incorporated into an improved version of the SHC. Further refinement of the WSSMF is required. In depth engagement with DWS and all the water boards would promote the refinement of the indicator set, performance thresholds for indicators and indicator weighting. Further testing through a pilot project initiative would allow the WSSMF to be developed into a robust and adequate sustainability performance monitoring framework for South African water boards (Rametsteiner et al, 2011: 64; Muga and Mihelcic, 2008: 438; McAlphine and Birnie, 2005: 247 and van Leeuwen et al, 2012: 2192).
- Full Text:
- Date Issued: 2015
The constitutionality of section 32 of the Labour Relations Act
- Authors: Hemsley, Michael Norman
- Date: 2015
- Subjects: Labor laws and legislation -- South Africa Labor unions -- South Africa Collective bargaining -- South Africa , Industrial relations -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/11070 , vital:26882
- Description: Collective bargaining is the process whereby employees act as a collective unit whilst negotiating terms and conditions of employment with employers. The collective unit typically takes the form of a trade union, mandated by its members to negotiate on their behalf. By negotiating collectively the inherent imbalance of power between employer and individual employee is seen to be neutralised. The process of collective bargaining enjoys legal status in South Africa and around the world. The Industrial Conciliation Act of 1924 institutionalised collective bargaining for the first time in the form of the Industrial-Council system. This sectoral bargaining system stood firm throughout the pre-democracy period but initially excluded non-white employees. Industrial unrest in the 1970s was the catalyst for the Wiehan commission which ultimately brought all employees into the fold. By the dawn of democracy in South Africa the bargaining system enjoyed wide-spread support and legitimacy. This was particularly so amongst the COSATU-led labour movement which enjoyed a position of political strength. This support and strength were reflected in the contents of both the Labour Relations Act and the Constitution which enshrined the constitutional right to engage in collective bargaining. Possibly the most debated aspect of the Council system has been the question of extending agreements to non-parties. Those in favour argue that the Council system cannot function in the absence of extensions. This is so because what would then effectively be a voluntary system would not attract sufficient volunteers. Those against argue that extensions act as a barrier to economic activity, particularly for small and new businesses. Legislation has, since 1924, facilitated the extension of agreements as long as certain criteria are met. Section 32 of the Labour Relations Act is the current extension vehicle. The extension criteria have vacillated over time and especially so in recent history with section 32 being subject to change in every post-democracy amendment to the Act. Possibly the most serious challenge to the extension status quo has come in the form of a constitutional challenge by the Free-Market Foundation. The Foundation advances old economic arguments but links these to an alleged impingement of constitutional rights. The challenge comes at a time when the country is experiencing the most significant socio-political turbulence since democracy. This includes the most enduring strike in our history, a landmark-employer lock-out and a parliamentary facelift. The Metal and Engineering Industries Bargaining Council oversees the biggest manufacturing sector in the South African economy. This status prompted the Council to submit its own responding papers in the Free-Market case. Particularly fascinating is that an employer party to the Council not only supports the Foundation case but has also lodged its own proceedings against the extension of the 2014 Engineering agreement. Both these cases are still pending and the outcomes have the potential to transform the political and economic landscape of our country.
- Full Text:
- Date Issued: 2015
- Authors: Hemsley, Michael Norman
- Date: 2015
- Subjects: Labor laws and legislation -- South Africa Labor unions -- South Africa Collective bargaining -- South Africa , Industrial relations -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/11070 , vital:26882
- Description: Collective bargaining is the process whereby employees act as a collective unit whilst negotiating terms and conditions of employment with employers. The collective unit typically takes the form of a trade union, mandated by its members to negotiate on their behalf. By negotiating collectively the inherent imbalance of power between employer and individual employee is seen to be neutralised. The process of collective bargaining enjoys legal status in South Africa and around the world. The Industrial Conciliation Act of 1924 institutionalised collective bargaining for the first time in the form of the Industrial-Council system. This sectoral bargaining system stood firm throughout the pre-democracy period but initially excluded non-white employees. Industrial unrest in the 1970s was the catalyst for the Wiehan commission which ultimately brought all employees into the fold. By the dawn of democracy in South Africa the bargaining system enjoyed wide-spread support and legitimacy. This was particularly so amongst the COSATU-led labour movement which enjoyed a position of political strength. This support and strength were reflected in the contents of both the Labour Relations Act and the Constitution which enshrined the constitutional right to engage in collective bargaining. Possibly the most debated aspect of the Council system has been the question of extending agreements to non-parties. Those in favour argue that the Council system cannot function in the absence of extensions. This is so because what would then effectively be a voluntary system would not attract sufficient volunteers. Those against argue that extensions act as a barrier to economic activity, particularly for small and new businesses. Legislation has, since 1924, facilitated the extension of agreements as long as certain criteria are met. Section 32 of the Labour Relations Act is the current extension vehicle. The extension criteria have vacillated over time and especially so in recent history with section 32 being subject to change in every post-democracy amendment to the Act. Possibly the most serious challenge to the extension status quo has come in the form of a constitutional challenge by the Free-Market Foundation. The Foundation advances old economic arguments but links these to an alleged impingement of constitutional rights. The challenge comes at a time when the country is experiencing the most significant socio-political turbulence since democracy. This includes the most enduring strike in our history, a landmark-employer lock-out and a parliamentary facelift. The Metal and Engineering Industries Bargaining Council oversees the biggest manufacturing sector in the South African economy. This status prompted the Council to submit its own responding papers in the Free-Market case. Particularly fascinating is that an employer party to the Council not only supports the Foundation case but has also lodged its own proceedings against the extension of the 2014 Engineering agreement. Both these cases are still pending and the outcomes have the potential to transform the political and economic landscape of our country.
- Full Text:
- Date Issued: 2015
The contribution of agricultural projects to poverty alleviation: Ncera Macadamia project
- Authors: Mafanya, Kungeka Vuyisa
- Date: 2015
- Subjects: Agricultural development projects -- South Africa -- Eastern Cape , Poverty -- Economic aspects -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/8890 , vital:26439
- Description: The aim of this project was to determine the extent to which an agricultural project contributes to the alleviation of poverty in a community. This was done through a case study of one agricultural project based in Kidds Beach, in the Eastern Cape. The research was conducted utilizing the qualitative research method. The findings depicted that the standard of living for the community had altered due the employment opportunities afforded by the project. The findings also illustrated the project is the only one of its nature in the Eastern Cape and that similar projects are in the process of being established in communities in the Transkei. The cultivation of macadamia nuts is costly and the target market is concentrated largely in Europe. The success of the first crop and the dividends procured, the project has proven itself to be a sound method of community and rural development which can encourage investment from other parties.
- Full Text:
- Date Issued: 2015
- Authors: Mafanya, Kungeka Vuyisa
- Date: 2015
- Subjects: Agricultural development projects -- South Africa -- Eastern Cape , Poverty -- Economic aspects -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/8890 , vital:26439
- Description: The aim of this project was to determine the extent to which an agricultural project contributes to the alleviation of poverty in a community. This was done through a case study of one agricultural project based in Kidds Beach, in the Eastern Cape. The research was conducted utilizing the qualitative research method. The findings depicted that the standard of living for the community had altered due the employment opportunities afforded by the project. The findings also illustrated the project is the only one of its nature in the Eastern Cape and that similar projects are in the process of being established in communities in the Transkei. The cultivation of macadamia nuts is costly and the target market is concentrated largely in Europe. The success of the first crop and the dividends procured, the project has proven itself to be a sound method of community and rural development which can encourage investment from other parties.
- Full Text:
- Date Issued: 2015
The contribution of guest houses to economic growth and employment as key components of local economic development in the Eden District Area
- Authors: Ramukumba, Takalani
- Date: 2015
- Subjects: Economic development -- South Africa -- Western Cape , Sustainable tourism -- South Africa -- Western Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10948/5214 , vital:20821
- Description: Tourism has come to be seen as a key driver for local economic development in South Africa, as it provides opportunities for pro-poor and community-based initiatives. On a global scale, the challenges of confronting poverty and unemployment continue to dominate the development agenda. The ability of Local Economic Development (LED) to empower local people has earned favour with national governments and development theorists. The imperative facing South Africa to achieve a more equitable and sustainable economy is essentially the challenge to adopt and implement a development approach that will reduce poverty and unemployment (which are the two key objectives of LED) to the greatest extent. It is within this context that the South African government has sought to incorporate LED into their economic development framework, predominantly through the decentralisation of development control and planning to the local government level. This study examined the contribution of guest houses to economic growth and employment as key components of LED in a sustainable manner. The study revealed that guest houses are playing a key role in the development of the local economy in the Eden district region. Guest houses are providing employment opportunities to the local residents both on a full-time and part-time basis. Further to this, guest houses are buying many locally-produced products and services from local suppliers and this contributes to economic growth of the local economy. However, this study also found that many of the guest houses in the area are not aware of government incentives available to support them and very few of them have made use of these services. This is something that needs to be addressed if these guest houses are to continue to strengthen the local economy and provide employment opportunities in a sustainable manner. The study revealed that many of the guest houses are operating in an environmentally friendly manner and this will ensure their future sustainability. The broader situation and the contribution of the accommodation sector as critical assets in local and national tourism economies has been thoroughly researched in tourism research around the world. Existing work on the accommodation sector in the South African tourism economy is mainly urban-focused and indicates that its local development impacts can be positive albeit not always maximised through local linkages, however, only a limited amount of academic investigations examines the contribution of tourism sub-sectors to economic growth and employment. The authenticity of this study is based on Its contribution which must be viewed in relation to the relatively limited body of literature in the contribution of tourism sub-sectors to economic growth and employment and in this case guest houses as one type of accommodation sub-sector.
- Full Text:
- Date Issued: 2015
- Authors: Ramukumba, Takalani
- Date: 2015
- Subjects: Economic development -- South Africa -- Western Cape , Sustainable tourism -- South Africa -- Western Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10948/5214 , vital:20821
- Description: Tourism has come to be seen as a key driver for local economic development in South Africa, as it provides opportunities for pro-poor and community-based initiatives. On a global scale, the challenges of confronting poverty and unemployment continue to dominate the development agenda. The ability of Local Economic Development (LED) to empower local people has earned favour with national governments and development theorists. The imperative facing South Africa to achieve a more equitable and sustainable economy is essentially the challenge to adopt and implement a development approach that will reduce poverty and unemployment (which are the two key objectives of LED) to the greatest extent. It is within this context that the South African government has sought to incorporate LED into their economic development framework, predominantly through the decentralisation of development control and planning to the local government level. This study examined the contribution of guest houses to economic growth and employment as key components of LED in a sustainable manner. The study revealed that guest houses are playing a key role in the development of the local economy in the Eden district region. Guest houses are providing employment opportunities to the local residents both on a full-time and part-time basis. Further to this, guest houses are buying many locally-produced products and services from local suppliers and this contributes to economic growth of the local economy. However, this study also found that many of the guest houses in the area are not aware of government incentives available to support them and very few of them have made use of these services. This is something that needs to be addressed if these guest houses are to continue to strengthen the local economy and provide employment opportunities in a sustainable manner. The study revealed that many of the guest houses are operating in an environmentally friendly manner and this will ensure their future sustainability. The broader situation and the contribution of the accommodation sector as critical assets in local and national tourism economies has been thoroughly researched in tourism research around the world. Existing work on the accommodation sector in the South African tourism economy is mainly urban-focused and indicates that its local development impacts can be positive albeit not always maximised through local linkages, however, only a limited amount of academic investigations examines the contribution of tourism sub-sectors to economic growth and employment. The authenticity of this study is based on Its contribution which must be viewed in relation to the relatively limited body of literature in the contribution of tourism sub-sectors to economic growth and employment and in this case guest houses as one type of accommodation sub-sector.
- Full Text:
- Date Issued: 2015
The countercultural university:
- Authors: Tabensky, Pedro
- Date: 2015
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/142133 , vital:38052 , ISBN 9781869142902 , https://books.google.co.za/books?id=49o8rgEACAAJanddq=Being+at+home:+Race,+institutional+culture+and+transformation+at+South+African+higher+education+institutionandhl=enandsa=Xandved=0ahUKEwiPgsa6mpjjAhXNN8AKHbNwAtoQ6AEIKDAA
- Description: This edited work has gathered together contributions on how to transform universities in South Africa; as many are struggling to shift their institutional culture. In a South African context, transformation means to attempt to change higher education institutions such that they no longer reflect the values promoted by apartheid but rather reflect the values embodied in South Africa's 1996 Constitution. Institutional culture is the main subject for discussion in this book. In order to transform South Africa's universities, the contributors begin by analyzing the idea of what a university is, and relatedly, what its ideal aims are. A second theme is to understand what institutional culture is and how it functions. Moreover, transformation cannot occur without transforming the broader cultures of which they are a part. Related to this theme is a general concern about how contemporary moves towards the instrumentalization of higher education affect the ability to transform institutions. These institutions are being pushed to conform to goals that are outside the traditional idea of a university, such as concerns that universities are being 'bureaucratized' and becoming corporations, instead of a place of learning open to all. In conclusion it can be said that the contemporary South African academic community has an opportunity to recreate itself as the end of apartheid created space for engaging in transformative epistemic projects. The transformation of the tertiary sector entails a transformation of institutional cultures.
- Full Text:
- Date Issued: 2015
- Authors: Tabensky, Pedro
- Date: 2015
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/142133 , vital:38052 , ISBN 9781869142902 , https://books.google.co.za/books?id=49o8rgEACAAJanddq=Being+at+home:+Race,+institutional+culture+and+transformation+at+South+African+higher+education+institutionandhl=enandsa=Xandved=0ahUKEwiPgsa6mpjjAhXNN8AKHbNwAtoQ6AEIKDAA
- Description: This edited work has gathered together contributions on how to transform universities in South Africa; as many are struggling to shift their institutional culture. In a South African context, transformation means to attempt to change higher education institutions such that they no longer reflect the values promoted by apartheid but rather reflect the values embodied in South Africa's 1996 Constitution. Institutional culture is the main subject for discussion in this book. In order to transform South Africa's universities, the contributors begin by analyzing the idea of what a university is, and relatedly, what its ideal aims are. A second theme is to understand what institutional culture is and how it functions. Moreover, transformation cannot occur without transforming the broader cultures of which they are a part. Related to this theme is a general concern about how contemporary moves towards the instrumentalization of higher education affect the ability to transform institutions. These institutions are being pushed to conform to goals that are outside the traditional idea of a university, such as concerns that universities are being 'bureaucratized' and becoming corporations, instead of a place of learning open to all. In conclusion it can be said that the contemporary South African academic community has an opportunity to recreate itself as the end of apartheid created space for engaging in transformative epistemic projects. The transformation of the tertiary sector entails a transformation of institutional cultures.
- Full Text:
- Date Issued: 2015
The design and evaluation of targeted patient-centred health information to improve knowledge and behavioural outcomes in tuberculosis patients with limited literacy
- Authors: Patel, Sonal
- Date: 2015
- Subjects: Tuberculosis Patients , Health literacy , Patient education , Communication in medicine , Picture-writing
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/194071 , vital:45420 , DOI 10.21504/10962/194071
- Description: South Africa carries a significant TB burden as evidenced in the 2013 statistics which report 450 000 new active TB cases and 890 000 TB-related mortalities. For successful treatment outcomes, 90% adherence is necessary, but many patients prematurely discontinue treatment due to poor knowledge and understanding of their complex TB medicines. Patient education is pivotal in improving knowledge, health literacy and behavioural outcomes such as health information seeking, self-efficacy and adherence. In the under-resourced South African healthcare system, time and capacity to adequately counsel patients are limited. The value of written medicine information (WMI) to supplement the verbal information provided by healthcare professionals (HCPs) has been widely investigated but minimal South African research is available. Current WMI distributed in South Africa is mainly generated by pharmaceutical manufacturers and is complex, incomprehensible and undesirable to patients. TB-related WMI focuses mainly on the disease, with little information relating to TB medicines and their use. The overall aim of this project was to improve patient knowledge about their TB medicines through the use of a simple illustrated patient information leaflet (PIL). Objectives to achieve this aim included: investigation of the medicine information seeking behaviour (MISB) of long term patients attending public health sector facilities; the development and validation of a medicine literacy test (MLT) to identify patients with limited health literacy requiring additional support and counselling; the development and evaluation of a patient-centred illustrated PIL for first-line TB treatment; the assessment of self-efficacy and adherence using modified versions of the HIV Treatment Adherence Self-Efficacy Scale (HIV-ASES) and Morisky 8-item Medicine Adherence Scale (MMAS-8), respectively, and the investigation of the impact of the PIL on patient knowledge and these health-related behaviours. Six focus group discussions (FGDs) conducted in 34 isiXhosa-speaking patients with limited formal education taking long-term treatment explored themes related to information needs, information-seeking practices and awareness of and ability to utilize information sources. Codes were analysed and potential themes and subthemes were identified and refined. The findings of this study reflected a passive, disempowered patient due to both patient-related and systemic healthcare factors. Poor awareness of information sources, lack of health-related knowledge, stigma and lack of awareness of the importance of appropriate medicine-related knowledge contributed to a lack of information-seeking practice. Patients neither asked questions nor were encouraged to do so. All expressed an unmet need for information and a desire for receiving relevant, appropriate, written medicine-related information. Feedback from this phase of the study was used to inform the development of the targeted patientcentred PIL. A double-sided A4 PIL containing information about TB medicines was designed giving careful consideration to content, format and layout features. Twenty five pictograms were designed through a rigorous, iterative design process and were included in the PIL that was evaluated in a randomised control trial (RCT) conducted amongst 120 TB patients attending a high burden TB clinic in South Africa. Interviews were conducted in either isiXhosa or Afrikaans via a trained interpreter. Patients were randomly allocated to either a control (standard care) or an experimental group (standard care plus brief counselling using the PIL). Two interviews were conducted using a prepared questionnaire; one at baseline followed by a 4-week follow-up. Baseline data included demographics, medicine literacy test, health information sources, knowledge of TB medicines, self-reported adherence and self-efficacy. Data collected at the 4-week follow-up interview included TB knowledge, self-reported adherence, self-efficacy, opinion of TB medicine information and interpretation of pictograms. Data were analysed using t-test, correlations, chi-square and ANOVA tests at a 0.05 level of significance. The PIL was successful in improving patient knowledge of the disease, TB medicine-taking, side effects, drug-resistant TB and HIV and TB co-infection. At baseline, there was no significant difference in the overall mean percentage knowledge score between the control and experimental groups (p=0.074). At follow-up, the percentage knowledge score for the experimental group increased significantly from 59.0% to 84.6% (p<0.001) and showed a significantly higher score than the control group (p<0.001), displaying evidence of the impact of the PIL as a counselling tool on patient knowledge. The PIL generated a highly positive response in the experimental group who indicated that they had referred to the leaflet over the last month and that it had played an important role in improving their TB medicine-related knowledge. This was reflected in the experimental group knowledge score of greater than 80% for almost three quarters of the patients whereas only 14% in the control group achieved this score. Patients appreciated the inclusion of pictograms and strongly felt that they helped them to recall and understand the textual PIL content. The study found that patients want side effect information and, interestingly, did not perceive the presentation of side effects in pictorial form to constitute a risk factor for nonadherence. Use of the illustrated PIL (experimental group) resulted in a significant improvement in patient self-efficacy (p=0.002), but showed no effect on self-reported adherence (p=0.563). Neither self-efficacy nor adherence was influenced by gender, age or education. An education effect on knowledge was only observed in the control group at baseline. The newly developed MLT was shown to be a valid and reliable tool and a moderate, positive and significant correlation was noted between the MLT score and baseline TB medicine-related knowledge in both the control and experimental groups. As there is a paucity of studies investigating the influence of take-home written leaflets on TB medicine knowledge and on patient behaviour, this study represents a significant knowledge contribution. It is the first study to report the development and evaluation of a patient-centred PIL to address the dearth of available TB medicine information. The use of targeted user-friendly, illustrated information leaflets can be a valuable counselling aid to improve patient knowledge and self-efficacy, particularly among patients with limited literacy. However, careful consideration of the design and content, with input from the endusers at all stages of the process, will optimise its effectiveness. The proposed framework for the development and implementation of patient-centred health and medicines information in a developing country context presented in this thesis could be used as a theoretical basis for informing the development of effective information materials targeting other disease states. Local patients taking TB medicines identified nurses, WMI and media as their current sources of information but they expressed a strong desire to know more about their treatment. Targeted public health interventions that focus on medicine-taking information and behaviours and encourage patients to adopt a more active, questioning role in health consultations could improve health literacy and empower patients in their medicine-taking practices. , Thesis (PhD) -- Faculty of Pharmacy, Pharmacy, 2015
- Full Text:
- Date Issued: 2015
- Authors: Patel, Sonal
- Date: 2015
- Subjects: Tuberculosis Patients , Health literacy , Patient education , Communication in medicine , Picture-writing
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/194071 , vital:45420 , DOI 10.21504/10962/194071
- Description: South Africa carries a significant TB burden as evidenced in the 2013 statistics which report 450 000 new active TB cases and 890 000 TB-related mortalities. For successful treatment outcomes, 90% adherence is necessary, but many patients prematurely discontinue treatment due to poor knowledge and understanding of their complex TB medicines. Patient education is pivotal in improving knowledge, health literacy and behavioural outcomes such as health information seeking, self-efficacy and adherence. In the under-resourced South African healthcare system, time and capacity to adequately counsel patients are limited. The value of written medicine information (WMI) to supplement the verbal information provided by healthcare professionals (HCPs) has been widely investigated but minimal South African research is available. Current WMI distributed in South Africa is mainly generated by pharmaceutical manufacturers and is complex, incomprehensible and undesirable to patients. TB-related WMI focuses mainly on the disease, with little information relating to TB medicines and their use. The overall aim of this project was to improve patient knowledge about their TB medicines through the use of a simple illustrated patient information leaflet (PIL). Objectives to achieve this aim included: investigation of the medicine information seeking behaviour (MISB) of long term patients attending public health sector facilities; the development and validation of a medicine literacy test (MLT) to identify patients with limited health literacy requiring additional support and counselling; the development and evaluation of a patient-centred illustrated PIL for first-line TB treatment; the assessment of self-efficacy and adherence using modified versions of the HIV Treatment Adherence Self-Efficacy Scale (HIV-ASES) and Morisky 8-item Medicine Adherence Scale (MMAS-8), respectively, and the investigation of the impact of the PIL on patient knowledge and these health-related behaviours. Six focus group discussions (FGDs) conducted in 34 isiXhosa-speaking patients with limited formal education taking long-term treatment explored themes related to information needs, information-seeking practices and awareness of and ability to utilize information sources. Codes were analysed and potential themes and subthemes were identified and refined. The findings of this study reflected a passive, disempowered patient due to both patient-related and systemic healthcare factors. Poor awareness of information sources, lack of health-related knowledge, stigma and lack of awareness of the importance of appropriate medicine-related knowledge contributed to a lack of information-seeking practice. Patients neither asked questions nor were encouraged to do so. All expressed an unmet need for information and a desire for receiving relevant, appropriate, written medicine-related information. Feedback from this phase of the study was used to inform the development of the targeted patientcentred PIL. A double-sided A4 PIL containing information about TB medicines was designed giving careful consideration to content, format and layout features. Twenty five pictograms were designed through a rigorous, iterative design process and were included in the PIL that was evaluated in a randomised control trial (RCT) conducted amongst 120 TB patients attending a high burden TB clinic in South Africa. Interviews were conducted in either isiXhosa or Afrikaans via a trained interpreter. Patients were randomly allocated to either a control (standard care) or an experimental group (standard care plus brief counselling using the PIL). Two interviews were conducted using a prepared questionnaire; one at baseline followed by a 4-week follow-up. Baseline data included demographics, medicine literacy test, health information sources, knowledge of TB medicines, self-reported adherence and self-efficacy. Data collected at the 4-week follow-up interview included TB knowledge, self-reported adherence, self-efficacy, opinion of TB medicine information and interpretation of pictograms. Data were analysed using t-test, correlations, chi-square and ANOVA tests at a 0.05 level of significance. The PIL was successful in improving patient knowledge of the disease, TB medicine-taking, side effects, drug-resistant TB and HIV and TB co-infection. At baseline, there was no significant difference in the overall mean percentage knowledge score between the control and experimental groups (p=0.074). At follow-up, the percentage knowledge score for the experimental group increased significantly from 59.0% to 84.6% (p<0.001) and showed a significantly higher score than the control group (p<0.001), displaying evidence of the impact of the PIL as a counselling tool on patient knowledge. The PIL generated a highly positive response in the experimental group who indicated that they had referred to the leaflet over the last month and that it had played an important role in improving their TB medicine-related knowledge. This was reflected in the experimental group knowledge score of greater than 80% for almost three quarters of the patients whereas only 14% in the control group achieved this score. Patients appreciated the inclusion of pictograms and strongly felt that they helped them to recall and understand the textual PIL content. The study found that patients want side effect information and, interestingly, did not perceive the presentation of side effects in pictorial form to constitute a risk factor for nonadherence. Use of the illustrated PIL (experimental group) resulted in a significant improvement in patient self-efficacy (p=0.002), but showed no effect on self-reported adherence (p=0.563). Neither self-efficacy nor adherence was influenced by gender, age or education. An education effect on knowledge was only observed in the control group at baseline. The newly developed MLT was shown to be a valid and reliable tool and a moderate, positive and significant correlation was noted between the MLT score and baseline TB medicine-related knowledge in both the control and experimental groups. As there is a paucity of studies investigating the influence of take-home written leaflets on TB medicine knowledge and on patient behaviour, this study represents a significant knowledge contribution. It is the first study to report the development and evaluation of a patient-centred PIL to address the dearth of available TB medicine information. The use of targeted user-friendly, illustrated information leaflets can be a valuable counselling aid to improve patient knowledge and self-efficacy, particularly among patients with limited literacy. However, careful consideration of the design and content, with input from the endusers at all stages of the process, will optimise its effectiveness. The proposed framework for the development and implementation of patient-centred health and medicines information in a developing country context presented in this thesis could be used as a theoretical basis for informing the development of effective information materials targeting other disease states. Local patients taking TB medicines identified nurses, WMI and media as their current sources of information but they expressed a strong desire to know more about their treatment. Targeted public health interventions that focus on medicine-taking information and behaviours and encourage patients to adopt a more active, questioning role in health consultations could improve health literacy and empower patients in their medicine-taking practices. , Thesis (PhD) -- Faculty of Pharmacy, Pharmacy, 2015
- Full Text:
- Date Issued: 2015
The design of a multi-purpose motor sports pit complex for Kyalami
- Authors: De Bruyn, Sheldon
- Date: 2015
- Subjects: Racetracks (Automobile racing) -- South Africa -- Midrand Sports facilities -- South Africa -- Midrand
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/39337 , vital:35088
- Description: Since the invention of the motor car over 100 years ago, people have been trying to improve its technical capabilities by constantly pushing its limits. Motor sport developed out of this desire for technical mastery of speed, which led to the first Formula 1 Championship in 1960 at Silverstone, England. The sport’s popularity increased and spread to the corners of the world. Since 1962, Formula 1 had been hosted by South Africa. Technological developments on Formula 1 cars then would, years later, be adapted for regular road cars. Parallel with the development of the sports cars was the development of the buildings to stay abreast with the requirements of increasing crowds, larger media presence and technologies, and construction methods and materials. These buildings evolved from simple single storey buildings to multi-floor complexes that accommodated thousands of spectators and team players. However, as the buildings pushed the envelopes, and their scale increased, some of the essence of the sports culture from old was lost. Large grandstands and pit complex buildings have created a sterile environment for the spectacle of the sport. Area prolonged absence from the Formula 1 calendar; firstly, from ancones and then, for financial reasons, a newly injected interest and ownership from Porsche South Africa saw a grand return of Formula 1 to local soil. This happened at the historically significant racing site of Kyalami. What is exciting about this project is the opportunity that arises to connect (through design) the spectator back to the track and sport in a more meaningful way that strongly reminds us of the sport of earlier days of the sport. With the influence of old architectural typologies and embracing the technological advances, the proposed pit complex shows a balance between pushing the architectural envelope and increasing spectator value.
- Full Text:
- Date Issued: 2015
- Authors: De Bruyn, Sheldon
- Date: 2015
- Subjects: Racetracks (Automobile racing) -- South Africa -- Midrand Sports facilities -- South Africa -- Midrand
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/39337 , vital:35088
- Description: Since the invention of the motor car over 100 years ago, people have been trying to improve its technical capabilities by constantly pushing its limits. Motor sport developed out of this desire for technical mastery of speed, which led to the first Formula 1 Championship in 1960 at Silverstone, England. The sport’s popularity increased and spread to the corners of the world. Since 1962, Formula 1 had been hosted by South Africa. Technological developments on Formula 1 cars then would, years later, be adapted for regular road cars. Parallel with the development of the sports cars was the development of the buildings to stay abreast with the requirements of increasing crowds, larger media presence and technologies, and construction methods and materials. These buildings evolved from simple single storey buildings to multi-floor complexes that accommodated thousands of spectators and team players. However, as the buildings pushed the envelopes, and their scale increased, some of the essence of the sports culture from old was lost. Large grandstands and pit complex buildings have created a sterile environment for the spectacle of the sport. Area prolonged absence from the Formula 1 calendar; firstly, from ancones and then, for financial reasons, a newly injected interest and ownership from Porsche South Africa saw a grand return of Formula 1 to local soil. This happened at the historically significant racing site of Kyalami. What is exciting about this project is the opportunity that arises to connect (through design) the spectator back to the track and sport in a more meaningful way that strongly reminds us of the sport of earlier days of the sport. With the influence of old architectural typologies and embracing the technological advances, the proposed pit complex shows a balance between pushing the architectural envelope and increasing spectator value.
- Full Text:
- Date Issued: 2015
The design of a new opera house for central, Port Elizabeth
- Authors: Chilton, Marc John
- Date: 2015
- Subjects: Theaters -- South Africa -- Port Elizabeth -- Designs and plans Centers for the performing arts -- South Africa -- Port Elizabeth , Theater architecture -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/15356 , vital:28224
- Description: Urban decentralization and inner city decay is a ubiquitous phenomenon of social and economic circumstance. The rise of sub-urban sprawl around new centres has encouraged urban degeneration and produced unsustainable cities, particularly in South Africa. Consequently, the loss of cultural assets in decaying historic centres, specifi cally in Port Elizabeth, reveals issues pertinent to loss of place and heritage. In combatting urban degeneration, the utilization of culture and the arts has proven to be a powerful rejuvenation strategy. The vision of the Mandela Bay Development Agency, and similar successful global precedents, suggest that a cultural precinct could effectively tackle urban decay in the historic core. This premise guides the proposal.The principal aim of this treatise is the design of a new Opera House acting as a catalyst for the proposed cultural district, based on the inner-city rejuvenation of Central. This aim is achieved by several objectives, which are explored in an effort to unveil potential and appropriate design responses: An investigation of the Opera House typology, which uncovers its dignity, vitality and signifi cance within past and present cities; An exploration of context, which reveals the opportunities to transform identity and urban cultural practise; Research into technical, spatial and physical demands of the program provide depth and root the design responses in reality. As a result, the Opera House sits as a gateway building into the precinct, as well as a cultural and physical landmark within the city. A duality of expression presents both a contrast and self-similarity in the historic context, simultaneously rooting the building in place while conveying a unique character.
- Full Text:
- Date Issued: 2015
- Authors: Chilton, Marc John
- Date: 2015
- Subjects: Theaters -- South Africa -- Port Elizabeth -- Designs and plans Centers for the performing arts -- South Africa -- Port Elizabeth , Theater architecture -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/15356 , vital:28224
- Description: Urban decentralization and inner city decay is a ubiquitous phenomenon of social and economic circumstance. The rise of sub-urban sprawl around new centres has encouraged urban degeneration and produced unsustainable cities, particularly in South Africa. Consequently, the loss of cultural assets in decaying historic centres, specifi cally in Port Elizabeth, reveals issues pertinent to loss of place and heritage. In combatting urban degeneration, the utilization of culture and the arts has proven to be a powerful rejuvenation strategy. The vision of the Mandela Bay Development Agency, and similar successful global precedents, suggest that a cultural precinct could effectively tackle urban decay in the historic core. This premise guides the proposal.The principal aim of this treatise is the design of a new Opera House acting as a catalyst for the proposed cultural district, based on the inner-city rejuvenation of Central. This aim is achieved by several objectives, which are explored in an effort to unveil potential and appropriate design responses: An investigation of the Opera House typology, which uncovers its dignity, vitality and signifi cance within past and present cities; An exploration of context, which reveals the opportunities to transform identity and urban cultural practise; Research into technical, spatial and physical demands of the program provide depth and root the design responses in reality. As a result, the Opera House sits as a gateway building into the precinct, as well as a cultural and physical landmark within the city. A duality of expression presents both a contrast and self-similarity in the historic context, simultaneously rooting the building in place while conveying a unique character.
- Full Text:
- Date Issued: 2015
The design of a seaside hydrotherapy facility in Nelson Mandela Bay, Beachview
- Authors: Van Jaarsveld, Nadine
- Date: 2015
- Subjects: Health resorts -- South Africa -- Port Elizabeth -- Designs and plans Hydrotherapy , Recreational therapy
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/18663 , vital:28703
- Description: This treatise is about the design of a seaside hydrotherapy facility which will treat health conditions through the healing properties of water therapy and nature, as well as improving the wellness of the users. The purpose of this treatise is to understand the architectural aspects involved in a seaside hydrotherapy facility, such as the theoretical, the contextual, spatial, and the physical aspects. The facility will be located in Nelson Mandela Bay at Beachview in a therapeutic setting on the seafront, and will not only provide specialized thalassotherapy, but also give the users the benefit of the mental healing properties of the ocean. The building itself aims to promote healing and relaxation and challenges the designer to make maximum use of these elements. The nature of hydrotherapy facilities requires the provision for recovery, which indicates the setting up of overnight amenities as well as daily access. With this in mind, the relationship between these two groups of users and their connections, are explored. The facility proposes to use design as a way to connect the sea, land and architecture, in order to form an integrated relationship for the beneficial use of the user. An architectural design is proposed which is formed of specific sets of architectural issues that were identified and analysed. The work of professionals and other architectural designs with similar challenges were studied in terms of their particular responses and their relationships were analysed in relation to a seaside hydrotherapy facility.
- Full Text:
- Date Issued: 2015
- Authors: Van Jaarsveld, Nadine
- Date: 2015
- Subjects: Health resorts -- South Africa -- Port Elizabeth -- Designs and plans Hydrotherapy , Recreational therapy
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/18663 , vital:28703
- Description: This treatise is about the design of a seaside hydrotherapy facility which will treat health conditions through the healing properties of water therapy and nature, as well as improving the wellness of the users. The purpose of this treatise is to understand the architectural aspects involved in a seaside hydrotherapy facility, such as the theoretical, the contextual, spatial, and the physical aspects. The facility will be located in Nelson Mandela Bay at Beachview in a therapeutic setting on the seafront, and will not only provide specialized thalassotherapy, but also give the users the benefit of the mental healing properties of the ocean. The building itself aims to promote healing and relaxation and challenges the designer to make maximum use of these elements. The nature of hydrotherapy facilities requires the provision for recovery, which indicates the setting up of overnight amenities as well as daily access. With this in mind, the relationship between these two groups of users and their connections, are explored. The facility proposes to use design as a way to connect the sea, land and architecture, in order to form an integrated relationship for the beneficial use of the user. An architectural design is proposed which is formed of specific sets of architectural issues that were identified and analysed. The work of professionals and other architectural designs with similar challenges were studied in terms of their particular responses and their relationships were analysed in relation to a seaside hydrotherapy facility.
- Full Text:
- Date Issued: 2015
The design of a Tesla automotive factory for the Coega Development Corporation
- Authors: Raciti, Riccardo
- Date: 2015
- Subjects: Architecture, Industrial -- South Africa -- Port Elizabeth , Factories -- South Africa -- Nelson Mandela Bay Municipality -- Designs and plans , Automobile factories -- South Africa -- Port Elizabeth -- Designs and plans , Coega Development Corporation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/18949 , vital:28759
- Description: This treatise will explore the suitable design of a 21st century fully sustainable automotive manufacturing facility for the company: Tesla Motors. It will investigate how the factory will sit in its cosmic context in conjunction with creating public and industrial spaces, based on the nature of the building and corporation. This proposal seeks to: Have a relevant expression and public interface for a factory of that type belonging in a cosmic landscape. Embark upon a critical investigate on of factories as a typology and related issues and concerns. Establish a stimulating and creative platform through which highly skilled international and local automotive leaders, academia, students and entrepreneurs can be in dialogue. Through the critical engagement of these fields a well-structured methodology will be formulated, as well as a hypothetical architectural response relating to the 21st century factory.
- Full Text:
- Date Issued: 2015
- Authors: Raciti, Riccardo
- Date: 2015
- Subjects: Architecture, Industrial -- South Africa -- Port Elizabeth , Factories -- South Africa -- Nelson Mandela Bay Municipality -- Designs and plans , Automobile factories -- South Africa -- Port Elizabeth -- Designs and plans , Coega Development Corporation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/18949 , vital:28759
- Description: This treatise will explore the suitable design of a 21st century fully sustainable automotive manufacturing facility for the company: Tesla Motors. It will investigate how the factory will sit in its cosmic context in conjunction with creating public and industrial spaces, based on the nature of the building and corporation. This proposal seeks to: Have a relevant expression and public interface for a factory of that type belonging in a cosmic landscape. Embark upon a critical investigate on of factories as a typology and related issues and concerns. Establish a stimulating and creative platform through which highly skilled international and local automotive leaders, academia, students and entrepreneurs can be in dialogue. Through the critical engagement of these fields a well-structured methodology will be formulated, as well as a hypothetical architectural response relating to the 21st century factory.
- Full Text:
- Date Issued: 2015
The design of Makana monument in Grahamstown: pathway of memory inspired by nature, mediating public and sacred space, as a regenerative mechanism of a forgotten place
- Authors: Almon, Peta Pryor
- Date: 2015
- Subjects: Monuments -- South Africa -- Grahamstown Historic buildings -- South Africa -- Grahamstown , Historic sites -- South Africa -- Grahamstown Architecture and society -- History -- 21st century
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/41283 , vital:36431
- Description: Since 1994 the post-apartheid heritage discourse has become one of the primary tools to deal with culture, identity and citizenship in South Africa. It is one of the means by which a democratic national identity is being forged and the production of new monuments is the physical manifestation of this discourse. The South African landscape holds many suppressed or unarticulated histories; histories which are a function of socio-political and land battles throughout the years of colonisation and apartheid. In society, socio-political ideals are supported by daily practices, which in turn affect social structures. These structures and the values that they uphold, in turn are interned in the monument. The monument then radiates these through its physical form. Monuments are therefore a collective mirror from which society can position itself, expressing socio-political ideals that are reinforced by community actions. This treatise explores monument as a mechanism of social regeneration towards the vision of a democratic landscape. The treatise investigates the making of monuments by analysing philosophical positions, characteristics with the intention of extracting principles, and types of monuments. This was done in order to gain an understanding as to why monuments exist, the fundamental principles involved, and the architectural approaches to these. The work is centred around Grahamstown, focusing on heritage within the city. This heritage is explicitly represented in over seventy sites within the city. Through an analysis of these heritage sites, it became clear that there is an imbalance of represented histories; mainly favouring the colonial histories while the African histories remain unarticulated or poorly represented. This imbalance is testimony to the socio-political ideals over time which in turn affected the morphology of the city over time. This resulted in contrasting spatial structures; the colonial side of town structured by a grid plan centred on a major axial route from which the spatial hierarchy extends, and the township side which is characterised by a repetitive, non-hierarchical grid layout. The landscape of the city underpins this spatial layout where features are used to enforce socio-political ideals. The structuring elements of the landscape are crucial in this regard. Surrounding hills create a bowl condition in which the city is located which in turn is divided in half by a river reinforcing the two sides of the city. Two entry points into the city are demarcated by prominent hills, positioned directly opposite each other on either side of the city. Gunfire Hill on the west is accentuated by the 1820 Settlers Monument, while opposite to the east is Makana’s Kop surrounded by the township and remains unarticulated and known only by oral histories. This clear imbalance in the representation of histories is commonly characteristic in the South African landscape and settlement patterns. The treatise seeks to arrive at an architectural intervention that is a step towards reducing this imbalance, as well as representing these suppressed histories appropriately. Vincent Scully’s notion of architecture mimicking nature was used as a theoretical lens through which the approach to the architecure and landscape were viewed. Consequently, phenomenological ideas are used as an architectural approach which aims to integrate people, nature and heritage in the form of a monument. In line with this, African traditions and beliefs were investigated, specifically the inherent relationship between nature, human spirit and settlement. The proposal is the Makana Monument located on Makana’s Kop, maintining the principles of monuments while facilitating the social needs of the surrounding community within the township of Hlalani. The site is physically monumental in nature, due to its steep slope and prominent tree line. Presented with a naturally sacred site that is positoned at the centre of a community and contains significant history pertaining to Grahamstown. These themes became the informants of the design. The aim is to maintain the natural vertical prominence of the site by creating a building that gives definition through contrasting horizontal retaining walls positioned along the contour lines. Located at a crucial point on the slope, it mediates public and sacred space. Routes through and into the building are informed by the energies of existing desire lines of people’s pathways. The intention of the building is to give dignity to a sacred natural landscape, facilitate the needs of the community, and appropriately recognise the supressed heritage.
- Full Text:
- Date Issued: 2015
- Authors: Almon, Peta Pryor
- Date: 2015
- Subjects: Monuments -- South Africa -- Grahamstown Historic buildings -- South Africa -- Grahamstown , Historic sites -- South Africa -- Grahamstown Architecture and society -- History -- 21st century
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/41283 , vital:36431
- Description: Since 1994 the post-apartheid heritage discourse has become one of the primary tools to deal with culture, identity and citizenship in South Africa. It is one of the means by which a democratic national identity is being forged and the production of new monuments is the physical manifestation of this discourse. The South African landscape holds many suppressed or unarticulated histories; histories which are a function of socio-political and land battles throughout the years of colonisation and apartheid. In society, socio-political ideals are supported by daily practices, which in turn affect social structures. These structures and the values that they uphold, in turn are interned in the monument. The monument then radiates these through its physical form. Monuments are therefore a collective mirror from which society can position itself, expressing socio-political ideals that are reinforced by community actions. This treatise explores monument as a mechanism of social regeneration towards the vision of a democratic landscape. The treatise investigates the making of monuments by analysing philosophical positions, characteristics with the intention of extracting principles, and types of monuments. This was done in order to gain an understanding as to why monuments exist, the fundamental principles involved, and the architectural approaches to these. The work is centred around Grahamstown, focusing on heritage within the city. This heritage is explicitly represented in over seventy sites within the city. Through an analysis of these heritage sites, it became clear that there is an imbalance of represented histories; mainly favouring the colonial histories while the African histories remain unarticulated or poorly represented. This imbalance is testimony to the socio-political ideals over time which in turn affected the morphology of the city over time. This resulted in contrasting spatial structures; the colonial side of town structured by a grid plan centred on a major axial route from which the spatial hierarchy extends, and the township side which is characterised by a repetitive, non-hierarchical grid layout. The landscape of the city underpins this spatial layout where features are used to enforce socio-political ideals. The structuring elements of the landscape are crucial in this regard. Surrounding hills create a bowl condition in which the city is located which in turn is divided in half by a river reinforcing the two sides of the city. Two entry points into the city are demarcated by prominent hills, positioned directly opposite each other on either side of the city. Gunfire Hill on the west is accentuated by the 1820 Settlers Monument, while opposite to the east is Makana’s Kop surrounded by the township and remains unarticulated and known only by oral histories. This clear imbalance in the representation of histories is commonly characteristic in the South African landscape and settlement patterns. The treatise seeks to arrive at an architectural intervention that is a step towards reducing this imbalance, as well as representing these suppressed histories appropriately. Vincent Scully’s notion of architecture mimicking nature was used as a theoretical lens through which the approach to the architecure and landscape were viewed. Consequently, phenomenological ideas are used as an architectural approach which aims to integrate people, nature and heritage in the form of a monument. In line with this, African traditions and beliefs were investigated, specifically the inherent relationship between nature, human spirit and settlement. The proposal is the Makana Monument located on Makana’s Kop, maintining the principles of monuments while facilitating the social needs of the surrounding community within the township of Hlalani. The site is physically monumental in nature, due to its steep slope and prominent tree line. Presented with a naturally sacred site that is positoned at the centre of a community and contains significant history pertaining to Grahamstown. These themes became the informants of the design. The aim is to maintain the natural vertical prominence of the site by creating a building that gives definition through contrasting horizontal retaining walls positioned along the contour lines. Located at a crucial point on the slope, it mediates public and sacred space. Routes through and into the building are informed by the energies of existing desire lines of people’s pathways. The intention of the building is to give dignity to a sacred natural landscape, facilitate the needs of the community, and appropriately recognise the supressed heritage.
- Full Text:
- Date Issued: 2015
The design of veterinary clinics for three physical context types of in South Africa
- Authors: Kruger, Azille
- Date: 2015
- Subjects: Clinics -- Design and construction Health facilities -- Design and construction , Health facilities -- Planning
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/41295 , vital:36441
- Description: This treatise design aims to cater for the state of veterinary service provision in South Africa. With a shift in management and the implementation of the Veterinary Community Service Act, the opportunity to explore the challenge of veterinary service delivery from an architectural point of view was seized. As the daughter of a Veterinarian and a student of architecture wondering on the architectural implications and challenges faced by veterinarians, I was presented with an opportunity to investigate, and develop an approach towards formulating a solution for efficient veterinary service delivery facilities across the country. Pondering this challenge led to testing the world model of standardisation, focussing on standardisation in architecture, and the general issue of universal responses as opposed to the development of a particular architectural response. What emerged formed the basis of the challenge for the treatise: To develop a solution based on the development of a prefabricated modularized system of component veterinary clinics for three different context types and in so doing grapple with the notion of manufactured spaces’ ability to create meaningful place.
- Full Text:
- Date Issued: 2015
- Authors: Kruger, Azille
- Date: 2015
- Subjects: Clinics -- Design and construction Health facilities -- Design and construction , Health facilities -- Planning
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/41295 , vital:36441
- Description: This treatise design aims to cater for the state of veterinary service provision in South Africa. With a shift in management and the implementation of the Veterinary Community Service Act, the opportunity to explore the challenge of veterinary service delivery from an architectural point of view was seized. As the daughter of a Veterinarian and a student of architecture wondering on the architectural implications and challenges faced by veterinarians, I was presented with an opportunity to investigate, and develop an approach towards formulating a solution for efficient veterinary service delivery facilities across the country. Pondering this challenge led to testing the world model of standardisation, focussing on standardisation in architecture, and the general issue of universal responses as opposed to the development of a particular architectural response. What emerged formed the basis of the challenge for the treatise: To develop a solution based on the development of a prefabricated modularized system of component veterinary clinics for three different context types and in so doing grapple with the notion of manufactured spaces’ ability to create meaningful place.
- Full Text:
- Date Issued: 2015
The detection of glyphosate and glyphosate-based herbicides in water, using nanotechnology
- De Almeida, Louise Kashiyavala Sophia
- Authors: De Almeida, Louise Kashiyavala Sophia
- Date: 2015
- Subjects: Water -- Glyphosate content , Aquatic herbicides -- South Africa , Aquatic herbicides -- Physiological effect , Nanotechnology , Invasive plants -- South Africa , Genetic toxicology , Thiazoles , Tetrazolium , Immunotoxicology , Colorimetry , Nanofibers
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4163 , http://hdl.handle.net/10962/d1019755
- Description: Glyphosate (N-phosphonomethylglycine) is an organophosphate compound which was developed by the Monsanto Company in 1971 and is the active ingredient found in several herbicide formulations. The use of glyphosate-based herbicides in South Africa for the control of alien invasive plants and weeds is well established, extensive and currently unregulated, which vastly increases the likelihood of glyphosate contamination in environmental water systems. Although the use of glyphosate-based herbicides is required for economic enhancement in industries such as agriculture, the presence of this compound in natural water systems presents a potential risk to human health. Glyphosate and glyphosate formulations were previously considered safe, however their toxicity has become a major focal point of research over recent years. The lack of monitoring protocols for pesticides in South Africa is primarily due to limited financial capacity and the lack of analytical techniques.
- Full Text:
- Date Issued: 2015
- Authors: De Almeida, Louise Kashiyavala Sophia
- Date: 2015
- Subjects: Water -- Glyphosate content , Aquatic herbicides -- South Africa , Aquatic herbicides -- Physiological effect , Nanotechnology , Invasive plants -- South Africa , Genetic toxicology , Thiazoles , Tetrazolium , Immunotoxicology , Colorimetry , Nanofibers
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4163 , http://hdl.handle.net/10962/d1019755
- Description: Glyphosate (N-phosphonomethylglycine) is an organophosphate compound which was developed by the Monsanto Company in 1971 and is the active ingredient found in several herbicide formulations. The use of glyphosate-based herbicides in South Africa for the control of alien invasive plants and weeds is well established, extensive and currently unregulated, which vastly increases the likelihood of glyphosate contamination in environmental water systems. Although the use of glyphosate-based herbicides is required for economic enhancement in industries such as agriculture, the presence of this compound in natural water systems presents a potential risk to human health. Glyphosate and glyphosate formulations were previously considered safe, however their toxicity has become a major focal point of research over recent years. The lack of monitoring protocols for pesticides in South Africa is primarily due to limited financial capacity and the lack of analytical techniques.
- Full Text:
- Date Issued: 2015
The development of a framework to reduce water and energy consumption through the use of water and energy value stream mapping for the South African manufacturing industry
- Authors: Davies, Edward
- Date: 2015
- Subjects: Lean manufacturing -- South Africa , Stream mapping -- South Africa , Water consumption -- South Africa
- Language: English
- Type: Thesis , Doctoral , DTech
- Identifier: http://hdl.handle.net/10948/4160 , vital:20564
- Description: The Republic of South Africa’s energy economy is under immense pressure and the main energy utility, Eskom, cannot reliably generate sufficient electrical energy to meet its customer demand. Water security in South Africa is also under threat as the country is currently amidst a water crisis. The South African manufacturing industry is the sector consuming the largest portion of the total energy consumption and second largest portion of the total water consumption (excluding urban use) nationally. Water and energy efficiency improvement is becoming imperative for organisational success as well as national economic sustainability. This is due to the significant increase in the cost of both electrical energy and water in recent years, and the drop in the reserve energy margin below the minimum level required for sustainable operation of energy utilities. The research objective therefore was to develop a Lean-based water and energy efficiency improvement framework for the manufacturing industry to encourage and realise a reduced demand for energy and water in it. A literature review was conducted on the water and energy landscape in South Africa, Lean manufacturing principles and their positive natural influence on water and energy efficiency, and the Value Stream Mapping tool. The survey of water and energy wastes in the manufacturing industry yielded the creation of standardised water and energy waste categories for use in conjunction with the conventional Lean wastes, tools and techniques. The literature survey indicated that the implementation of Lean manufacturing techniques naturally leads to the improvement of energy and water intensity. The researcher hypothesised that there is even greater potential for water and energy savings if a Lean-based tool is developed to specifically focus on the improvement of energy and water efficiency. A framework for this tool was developed through the literature survey. The tool is based on the Value Stream Mapping tool. A practical experiment was then conducted to establish the effectiveness of the tool in the South African manufacturing industry. The experiment design included an outline of the forecasting and statistical validation techniques to ensure the integrity of data utilised for approving or disproving the set hypotheses. The results of the practical experiment yielded positive results, confirming the hypothesis that the implementation of the developed framework will lead to improved energy and water efficiency in the manufacturing industry. After an explanation of the experimental results, the study concluded with recommendations and conclusions based on the findings.
- Full Text:
- Date Issued: 2015
- Authors: Davies, Edward
- Date: 2015
- Subjects: Lean manufacturing -- South Africa , Stream mapping -- South Africa , Water consumption -- South Africa
- Language: English
- Type: Thesis , Doctoral , DTech
- Identifier: http://hdl.handle.net/10948/4160 , vital:20564
- Description: The Republic of South Africa’s energy economy is under immense pressure and the main energy utility, Eskom, cannot reliably generate sufficient electrical energy to meet its customer demand. Water security in South Africa is also under threat as the country is currently amidst a water crisis. The South African manufacturing industry is the sector consuming the largest portion of the total energy consumption and second largest portion of the total water consumption (excluding urban use) nationally. Water and energy efficiency improvement is becoming imperative for organisational success as well as national economic sustainability. This is due to the significant increase in the cost of both electrical energy and water in recent years, and the drop in the reserve energy margin below the minimum level required for sustainable operation of energy utilities. The research objective therefore was to develop a Lean-based water and energy efficiency improvement framework for the manufacturing industry to encourage and realise a reduced demand for energy and water in it. A literature review was conducted on the water and energy landscape in South Africa, Lean manufacturing principles and their positive natural influence on water and energy efficiency, and the Value Stream Mapping tool. The survey of water and energy wastes in the manufacturing industry yielded the creation of standardised water and energy waste categories for use in conjunction with the conventional Lean wastes, tools and techniques. The literature survey indicated that the implementation of Lean manufacturing techniques naturally leads to the improvement of energy and water intensity. The researcher hypothesised that there is even greater potential for water and energy savings if a Lean-based tool is developed to specifically focus on the improvement of energy and water efficiency. A framework for this tool was developed through the literature survey. The tool is based on the Value Stream Mapping tool. A practical experiment was then conducted to establish the effectiveness of the tool in the South African manufacturing industry. The experiment design included an outline of the forecasting and statistical validation techniques to ensure the integrity of data utilised for approving or disproving the set hypotheses. The results of the practical experiment yielded positive results, confirming the hypothesis that the implementation of the developed framework will lead to improved energy and water efficiency in the manufacturing industry. After an explanation of the experimental results, the study concluded with recommendations and conclusions based on the findings.
- Full Text:
- Date Issued: 2015
The development of amine-based extractants for separation of base metals in a sulfate medium
- Authors: Magwa, Nomampondo Penelope
- Date: 2015
- Subjects: Extraction (Chemistry) , Sulfates , Ligands , Benzimidazoles , Infrared spectroscopy , Nuclear magnetic resonance spectroscopy , Metal ions , Metals
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4559 , http://hdl.handle.net/10962/d1020010
- Description: Tridentate benzimidazole-based ligands, bis((1H-benzimidazol-2-yl)methyl)sulfide (BNSN) and bis((1H-benzimidazol-2-yl)methyl)amine (BNNN), along with dinonylnaphthalene sulfonic acid (DNNSA) as a synergist, were investigated as potential selective extractants for Ni2+ from base metals in a solvent extraction system using 2-octanol/Shellsol 2325 (8:2) as diluent and modifier. However, extraction studies show a lack of pH-metric separation of the later 3d metal ions with bis((1-octylbenzimidazol-2-yl)methyl)sulfide (BONSN) and bis((1- decylbenzimidazol-2-yl)methyl)amine (BDNNN) as extractants, but extractions occurred in the low pH range with an opportunity for back extraction. This investigation suggested that tridentate ligands (at least those of the nature investigated here) are not feasible extractants for separation of base metal ions due to their lack of stereochemical “tailor-making.”
- Full Text:
- Date Issued: 2015
- Authors: Magwa, Nomampondo Penelope
- Date: 2015
- Subjects: Extraction (Chemistry) , Sulfates , Ligands , Benzimidazoles , Infrared spectroscopy , Nuclear magnetic resonance spectroscopy , Metal ions , Metals
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4559 , http://hdl.handle.net/10962/d1020010
- Description: Tridentate benzimidazole-based ligands, bis((1H-benzimidazol-2-yl)methyl)sulfide (BNSN) and bis((1H-benzimidazol-2-yl)methyl)amine (BNNN), along with dinonylnaphthalene sulfonic acid (DNNSA) as a synergist, were investigated as potential selective extractants for Ni2+ from base metals in a solvent extraction system using 2-octanol/Shellsol 2325 (8:2) as diluent and modifier. However, extraction studies show a lack of pH-metric separation of the later 3d metal ions with bis((1-octylbenzimidazol-2-yl)methyl)sulfide (BONSN) and bis((1- decylbenzimidazol-2-yl)methyl)amine (BDNNN) as extractants, but extractions occurred in the low pH range with an opportunity for back extraction. This investigation suggested that tridentate ligands (at least those of the nature investigated here) are not feasible extractants for separation of base metal ions due to their lack of stereochemical “tailor-making.”
- Full Text:
- Date Issued: 2015
The development of an e-Health system for health awareness campaigns in poor areas
- Gremu, Chikumbutso, Terzoli, Alfredo, Tsietsi, Mosiuoa
- Authors: Gremu, Chikumbutso , Terzoli, Alfredo , Tsietsi, Mosiuoa
- Date: 2015
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/430638 , vital:72705 , 10.1109/ISTAFRICA.2015.7190527
- Description: This paper discusses work to develop an e-Health system called HealthAware to assist health service organisations to carry out targeted health awareness campaigns in poor areas. The system comprises two components called the Dashboard and the Health Messenger, which are web-based, Java applications that run in a peer-to-peer fashion. The Dashboard is used to create, manage, and publish awareness campaigns. The HealthMessenger facilitates end-users' access to the relevant awareness campaigns. A targeted communication strategy which splits the target population into subgroups based on their demo-graphic characteristics and geographic locations is used to determine relevant campaigns for a user. The HealthMessenger is hosted on an application service integration platform called TeleWeaver, while the Dashboard is hosted independently of TeleWeaver. Message queuing is used to ensure reliable communication between the Dashboard and the HealthMessenger. The implementation of HealthAware contributes knowledge on developing a system that ensures that users access only the information that is relevant to them. This addresses the challenge of sifting through potentially irrelevant information before arriving at the important information which is posed by generic materials.
- Full Text:
- Date Issued: 2015
- Authors: Gremu, Chikumbutso , Terzoli, Alfredo , Tsietsi, Mosiuoa
- Date: 2015
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/430638 , vital:72705 , 10.1109/ISTAFRICA.2015.7190527
- Description: This paper discusses work to develop an e-Health system called HealthAware to assist health service organisations to carry out targeted health awareness campaigns in poor areas. The system comprises two components called the Dashboard and the Health Messenger, which are web-based, Java applications that run in a peer-to-peer fashion. The Dashboard is used to create, manage, and publish awareness campaigns. The HealthMessenger facilitates end-users' access to the relevant awareness campaigns. A targeted communication strategy which splits the target population into subgroups based on their demo-graphic characteristics and geographic locations is used to determine relevant campaigns for a user. The HealthMessenger is hosted on an application service integration platform called TeleWeaver, while the Dashboard is hosted independently of TeleWeaver. Message queuing is used to ensure reliable communication between the Dashboard and the HealthMessenger. The implementation of HealthAware contributes knowledge on developing a system that ensures that users access only the information that is relevant to them. This addresses the challenge of sifting through potentially irrelevant information before arriving at the important information which is posed by generic materials.
- Full Text:
- Date Issued: 2015