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Staff Housing for Twin - page 8 / 13





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Economic Performance

Economic Performance


1) Local Economy

Maximising local ecconomic benefit with a labour based building system. 2) Empowerment

Using local resources in simple ways. 3) Building Costs: Conventional local building costs

  • R2 600 per sq. m. for simple design with plastered concrete block

  • R3 650 per sq m. for a face brick house

Final built cost - R250 000

  • 74 sq m of interior space,

  • 21 sq m of covered external


  • 127 sq m.total coverage built

    • 4)

      Running costs:

Solar water heating systems, energy efficiency and water wise building practice.

Economic 4.2

Evidence of high performance

  • 1)

    Economic self empowerment supports local community ecconomy

    • -

      Training and income generating micro-enterprises established.

    • -

      Approximately 30 additional jobs or double the amount, were created due to the nature of the construction process.

  • 2)

    The use of most local materials and resources sand, timber poles and labour – achieved with the development of a sandbag building system.

    • The pole roofing structure utilized timbers grown in the local area which were cut and treated on-site with a non-toxic treatment process. This has benefited the local communities ecconomy and stimulated a potential new market within the local region.

    • The sewing and filling of the sand bags has created additiional work within the local community.

    • The guttering and rainwater tank systems utilize locally grown bamboo and provide further jobs and empowerment potential. They actively promote a way towards self reliance within an area of cronic ecconomic and water shortage.

  • 3)

    Reduced Building Costs:

This project has sucessfully reduced its costs while providing additional jobs and improved quality with greater ecconomic sustainability:

  • R2 360 per sq m. excluding a further 36% of covered external space. Or

R1969 per sq m including the verandah. This cost is with solar water heating installed though the rainwater tanks and photovoltaic panels are still to follow.

  • 4)

    Low running costs

    • Solar water heating and energy efficient lighting together with good thermal

performance helps minimize running costs to WESSA which runs and pays for the centre.

  • A waterless composting toilet, water efficient fittings and greywater recycling and

rainwater collection ensures minimal water costs and provides resources out of waste.

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