Affordable Earth Housing
Sharon Davis Design & Rwanda Village Enterprises
Four-bedroom single family affordable prototype house in Rwinkwavu, Rwanda.
The Affordable Earth Housing, designed by Sharon Davis Design & Rwanda Village Enterprises, consists of a prototype four-bedroom single family house based both on an efficient design and a community-labor construction process, using locally available materials and handmade methodologies, including Compressed Earth Blocks. This prototype house was specifically design for the conditions in Rwinkwavu, Rwanda.
Primary competitors include other construction systems for urban settlements in Rwanda , developed within the context of Rwanda Housing Authority’s initiative to promote affordable housing . Some of these systems include the ADHI-Rwanda affordable housing and See Far Housing (SFH) among others
Low and middle income earners, Rwanda’s citizens being at least twenty-one years old and who do not possess real estate or a house in an urban area.
The main building method of this house include rammed earth foundations, load bearing walls made of adobe blocks, timber frame roofing structure, rammed earth floor, and ceramic tiles roof. According to the designer, earth based construction is beneficial for its efficiency and low-cost.
The information obtained does not specify the designer IP strategy.
The information obtained does not specify the user provision model.
95 units housing development on a 13 hectare site
Indication of whether design can be replicated in multiple locations
Number of individuals. 1 family = 5 persons.
Number of days from start of construction to completion
Surface area of footprint
Number of occupiable floors (ground floor only = 1)
Primary materials used
Composite estimated R-value
As calculated by designer
As calculated by designer
Based upon primary structural system as per the International Building Code
Based upon Structural Occupancy Category and soil conditions of site; as per the International Building Code
List of suitable climates for use of this design
Material used in the construction of the house include:
- Foundations: mortared, locally-quarried stone
- Floors: cast concrete slabs
- Walls: handmade compressed earth blocks using local soils, finished with earthen plaster
- Screen: hand-woven eucalyptus
- Roof framing: timber
- Roofing: Ruliba clay tiles
The designer specified the following performance targets:
- Economy: Supply chain innovation and local capacity building
- Environment: Community enhancement and environmental sustainability
- Growth: Large scaled delivery program and adaptive model
No testing has been completed
To achieve earthquake safety standards, the standard earth block can be modified to allow for rebar. Compost Toilet provides a water-free, clean, safe, and economical way to manage waste and add to agricultural output
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