Sustainable by design 2050

An initiative of the UIA

Velux model home 2020

Activehouse

Sapienza_Universit___di_Roma

Architekturclips

Visitors' Centre for Twyfelfontein World Heritage Rock Art Site

Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
Visitors' Centre for Twyfelfontein World Heritage Rock Art Site
Architect
Nina Maritz Architects and Dennis McDonald
Engineers/Specialists
Urich Consulting Engineers (civil-structural), Emcon (electrical-mechanical), De Leeuw Namibia Quantity Surveyors, Quaternary Research Services (archaeologist)
Location
Africa - South Africa - Namibia
Climate Zone
arid
Design status
build
Date of completion
2005
Type
Museum
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
photovoltaics
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
No
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.