Human Settlements Review - Parliamentary Monitoring Group

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Human Settlements Review, Volume 1, Number 1, 2010 3.2.4 The Eastern Cape Another experimental project was conducted in Buffalo City near East London by the Van Der Leij Foundation with the technical support of CRATerre-EAG in France. This housing project was carried out with the approval and co-operation of the municipality. Rich, designed the offices of Hydraform, a company which produces brick presses. Bricks produced by the presses manufactured by the company were used for the construction. This is an example of a corporate building that illustrates the potential of the use of earth in urban areas. 3.2.7 Namibia 3.2.5 KwaZulu-Natal In KwaZulu-Natal, an Australian group, AusAid, worked in the very remote rural areas, using earth as a building material. The work of the Durban-based architect Rodney Harber is a great example of “pushing the boundaries”. He uses various types of materials in his projects. 3.2.6 Gauteng The Habitat Research and Development Centre in Katatura by the architect Nina Maritz addressed different issues regarding the different facets of sustainability. The building is the result of a range of materials, techniques and innovative ecosystems. This centre illustrates how the building industry can play a role in the protection of our environment, by encouraging innovative thinking about what we do and how it is done. In Gauteng the well-known architect Peter Figure 9: The Habitat Research and Development Center in Katatura, Windhoek. 3.3 Informal housing in South Africa In South Africa every town and city is surrounded by extensive areas of informal and formal housing built by the less fortunate. Vast numbers of poor people live in these townships surrounding towns and cities. The informal houses are made of all sorts of materials that people can obtain at little or no cost. These include plastic, corrugated iron sheets, wood, old bricks and also earth. Many people use the soil from the plot on which they are residing, to make blocks to build a house. This is one of the cheapest ways to construct a house if one has little or no income. 206
Human Settlements Review, Volume 1, Number 1, 2010 Figure 10: The current situation in respect of housing in the Thaba Nchu area. However, these houses all display similar problems, which include one or more of the following: • A lack of foundations, with the result that houses tend to crack, especially in areas where clay is prominent. • The floor level on the inside of the house is often much lower than the ground level on the outside resulting in rain water that streams in. • The bottom plinth of the buildings receives no attention, leading to surface water eroding the walls. • Openings do not have proper lintels if indeed they have any. • The absence of window sills and gutters leads to a great deal of water damage under windows. • The corners are problematic with poor bonding. • The inadequate roof structures and anchorage lead to extensive water damage and eventually structural problems. • The use of parapet walls constructed in earth results in water penetration, cracks and loss of structural strength. Figure 11: Main problems with erosion caused by water penetration 207
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Human Settlements Review - Parliamentary Monitoring Group

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