Assessment of structural quality of houses delivered through the people's housing process in South Africa
- Authors: Ogunfiditimi, Olaosebikan
- Date: 2010-03-10T06:20:26Z
- Subjects: Housing , Housing policy , Structural analysis (Engineering) , Engineering standards , Construction industry quality control , Gauteng (South Africa)
- Type: Thesis
- Identifier: uj:6652 , http://hdl.handle.net/10210/3059
- Description: M.Tech. , South African government is one of the countries in the world that has delivered the highest number of houses to the poor through various delivery mechanisms to fulfill her vision to adequate housing for all as reflected in the National Housing Policy framework. Since 1994, about One Million Eight Hundred and Seventy Seven Thousand Nine Hundred and Fifty Eight (1 877 958) houses has been delivered. People’s Housing Process is a state-assisted, self help housing programme and about 3% of the total houses built were delivered through the PHP housing delivery programme. The Government’s goal is, subject to fiscal affordability, to increase housing delivery on a sustainable basis to a peak level of 350 000 units per annum until the housing backlog is overcome (South Africa’s National Housing code policy, 2000:5). The government focused on quantitative housing delivery with qualitative shortcomings. However the focus has now shifted to the quality of the end product delivered. Defects in houses manifest themselves primarily through cracking, dampness, detachment, and water leakages. Defects may be patent or latent, and could be discovered through checking, observations and tests. This research work is a study of structural qualities of houses delivered through PHP. The study investigated the causes of structural inadequacies in PHP houses focusing in the Gauteng Province of South Africa. The findings show that different types of structural defects occurred in houses delivered through PHP scheme, these defects include roof leakages, cracks in walls, wall not being straight and defects in roof trusses. The cause of these defects was as a result of poor quality control mechanism put in place by the Department of Housing.
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- Authors: Ogunfiditimi, Olaosebikan
- Date: 2010-03-10T06:20:26Z
- Subjects: Housing , Housing policy , Structural analysis (Engineering) , Engineering standards , Construction industry quality control , Gauteng (South Africa)
- Type: Thesis
- Identifier: uj:6652 , http://hdl.handle.net/10210/3059
- Description: M.Tech. , South African government is one of the countries in the world that has delivered the highest number of houses to the poor through various delivery mechanisms to fulfill her vision to adequate housing for all as reflected in the National Housing Policy framework. Since 1994, about One Million Eight Hundred and Seventy Seven Thousand Nine Hundred and Fifty Eight (1 877 958) houses has been delivered. People’s Housing Process is a state-assisted, self help housing programme and about 3% of the total houses built were delivered through the PHP housing delivery programme. The Government’s goal is, subject to fiscal affordability, to increase housing delivery on a sustainable basis to a peak level of 350 000 units per annum until the housing backlog is overcome (South Africa’s National Housing code policy, 2000:5). The government focused on quantitative housing delivery with qualitative shortcomings. However the focus has now shifted to the quality of the end product delivered. Defects in houses manifest themselves primarily through cracking, dampness, detachment, and water leakages. Defects may be patent or latent, and could be discovered through checking, observations and tests. This research work is a study of structural qualities of houses delivered through PHP. The study investigated the causes of structural inadequacies in PHP houses focusing in the Gauteng Province of South Africa. The findings show that different types of structural defects occurred in houses delivered through PHP scheme, these defects include roof leakages, cracks in walls, wall not being straight and defects in roof trusses. The cause of these defects was as a result of poor quality control mechanism put in place by the Department of Housing.
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Improving the effectiveness and image of the building and civil construction process
- Authors: Grobler, Kobus
- Date: 2011-12-06
- Subjects: Construction industry , Civil engineering , Construction industry quality control
- Type: Thesis
- Identifier: uj:1815 , http://hdl.handle.net/10210/4177
- Description: D.Ing. , The construction industry has changed dramatically over the past thirty odd years. The following factors played a significant role in this change: (1) The building boom around the 1970s pressurized the industry to work faster. This was followed by periods of variation in workload, which have over the last number of years manifested in a permanent low demand for construction in South Africa. (2) Projects became larger and more complex. (3) An over-regulated labour environment not only leads to the downsize of organizations, but is a main contributor towards the increased use of subcontracting. (4) The time value of money causes owners to specify compressed project schedules and lowest price is often the only selection factor in the award of contracts. The shift in work from predominantly public sector towards the private sector, which by nature is more time conscious, is another factor pressurizing the industry to work faster. The industry has introduced amongst others the following measures to cope with these demands: (1) Main contractors are subcontracting more and more of the work. (2) The traditional in-series concept came under pressure - the management approaches became formal procurement concepts and design-build re-appeared. (3) New construction techniques such as fast-tracking and the movement towards factory produced elements in certain areas, for example precast concrete elements, reduced project schedules and replaced previously time consuming activities and counteracted to a certain extent the shortage of skilled tradesmen. The author argues that in the process to combat these external pressures, the following problems, amongst others, manifested: (1) Ineffective project procurement. (2) Unethical and unsound practices between main contractors and subcontractors. (3) Lack of quality and reliability of a substantial share of end-products. Another problem burdening the industry is historical, namely cultural differences between designers and contractors.
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- Authors: Grobler, Kobus
- Date: 2011-12-06
- Subjects: Construction industry , Civil engineering , Construction industry quality control
- Type: Thesis
- Identifier: uj:1815 , http://hdl.handle.net/10210/4177
- Description: D.Ing. , The construction industry has changed dramatically over the past thirty odd years. The following factors played a significant role in this change: (1) The building boom around the 1970s pressurized the industry to work faster. This was followed by periods of variation in workload, which have over the last number of years manifested in a permanent low demand for construction in South Africa. (2) Projects became larger and more complex. (3) An over-regulated labour environment not only leads to the downsize of organizations, but is a main contributor towards the increased use of subcontracting. (4) The time value of money causes owners to specify compressed project schedules and lowest price is often the only selection factor in the award of contracts. The shift in work from predominantly public sector towards the private sector, which by nature is more time conscious, is another factor pressurizing the industry to work faster. The industry has introduced amongst others the following measures to cope with these demands: (1) Main contractors are subcontracting more and more of the work. (2) The traditional in-series concept came under pressure - the management approaches became formal procurement concepts and design-build re-appeared. (3) New construction techniques such as fast-tracking and the movement towards factory produced elements in certain areas, for example precast concrete elements, reduced project schedules and replaced previously time consuming activities and counteracted to a certain extent the shortage of skilled tradesmen. The author argues that in the process to combat these external pressures, the following problems, amongst others, manifested: (1) Ineffective project procurement. (2) Unethical and unsound practices between main contractors and subcontractors. (3) Lack of quality and reliability of a substantial share of end-products. Another problem burdening the industry is historical, namely cultural differences between designers and contractors.
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