Sustainable by design 2050
An initiative of the UIA
Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
- Nina Maritz Architects and Dennis McDonald
- Urich Consulting Engineers (civil-structural), Emcon (electrical-mechanical), De Leeuw Namibia Quantity Surveyors, Quaternary Research Services (archaeologist)
- Africa - South Africa - Namibia
- Climate Zone
- Design status
- Date of completion
- Building Costs
- 50000 EUR
- Cooling / Heating-System
Completely naturally ventilated. Walls act as rock store to preserve cool night air. Stack effect in day. In winter, north-facing verandah traps heat for slow release.
- Use of renewable ressources - low tech
- natural cross ventilation, use of high thermal mass
- Use of renewable ressources - high tech
- Renewable, recycled, recyclable and innovative materials
Completely cement-free. Walling is natural rock in gabions, recycled steel drums for roof-sheets, handmade reed ceiling, locally made claybrick packed floor, handmade steel roofstructure. Composting toilets.
- Key Sustainability aspects
- solar building integration, vernacular building strategies, public spaces, accessability for disabled, renewable building materials, recycling and reuse, ecological building materials, innovative bulding materials, integrated planning process, participation of users in planning process, low cost design
- Sustainability rated
- Social and ethical responsibility
The site guides (from the local community) have been formally employed (previously relied on tips from tourists) and trained professionally. This centre rpovides almost the only formal employment in a radius of 100 kilometres, apart from private tourist establishments).
- Ressource efficiency and environmental impact
Completely reversible building, using minimal materials brought to site. No materials that off-gas or contain any harmful chemicals at all.
- Economic lifecycle perfomance
Extermely durable, virtually indestructable, but can be demounted compeltely if circumstances require.
- Contextual performance and impact
Remotely located at primary tourism destination indanger of serious environmental damage. Centre acts as control point to ensure that Heritage sites are protected, and vistors informed in discreet and sensitive way. Dramatic increase invisitor numbers yet total reduction of site damage.
- Region I
Western Europe (37)
- Region II
Middle East and
Eastern Europe (8)
- Region III
The Americas (10)
- Region IV
Asia and Australia (6)
- Region V