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Net-Zero Self-sufficient Home
Bafoussam, Cameroon
image: public domain
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Location:
Bafoussam, Cameroon
Category:
housing
Phase:
design development
Updated:
11 January 2023
Housing crisis is becoming a major issue in developing countries, access to descent accommodation, clean water and energy is a rare commodity. This project aim to resolve the ussue by exploiting the local labor and reviving ancestral construction techniques, while taking full advantage of modern technologies, to galvanise the local economy and the living standard in sub-saharian Africa.
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Introduction
On October 29th 2019 dozens of people were killed in Boufoussam, western Cameroon after a landslide swept away their houses. A total of 42 corpses  were taken to the morgue, while many people were found missing. The houses that collapsed were built on the side of a hill in a “risk zone” said the local official.
Just about last year during the same period, five people were killed by a landslide in the southwestern coastal resort of Limbe.
Many people have been left homeless since and very little has been done to resolve the issue, added to health issues that sprang from the phenomenon, cholera has made ravages in the area as people do not have access to clean water.
Although, many promises have been made by the government officials nothing is seen on the ground and people are still struggling to recover from their losses.
Since 2020, when we start our practice we devoted ourself to resolve accommodation crisis, and we believe the local resources must play a major role in solving the problem. We developed a protype of a net-zero self-sufficient home, which can accommodate a family of 6-7 people on less than 200 sqm and require very little manufacturing materials thus drastically reducing the construction works. Our aim is the to mass produce these home using local resources and labor, our method is based on rammed earth. 
Rescue efforts by the people few minutes after the landslide

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Impact
We believe a good help must make people autonomous, therefore there is no benefit in using manufactured materials and qualified labour to build homes in this kind of region; this is why our solution focused exclusively on local labour and raw material. Our aim is to made ubiquitous our method of construction, plans and techniques and to revive the ancient methods of construction lost since the colonisation era which has made our people totally dependable on manufactured products and even made it to be the standard for good living and development.
we want to educate the masses on the benefit of local materials and develop a local economy around the building industry. We expect that many neighbourhood will be created based on our solution to quickly accommodate the population and give them access to clean water and energy which are basics for development and once done people will naturally focused on more creative way to develop this technology and create sustainable cities based upon our model.   
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Core team
The project was sparked after a casual discussion with some victims, who thought nothing could be done without the government support, and we agreed that it was the government responsibility. However, since nothing was happening we concluded that people had to take their own destiny in hand and stop dreaming of some kind of help from the authorities. And since we were not talking politics we had to bring on the table a draft of what might become the solution. My team is made of 3 specialists; me the Architect, a civil engineer and an interior designer, plus 4 menbers of the community; one carpenter, one mason, and the two representative of the victims. We are open to criticism and collaboration that is why the project was presented to the community for discussion. And based on our skills and the explanation of the people living day to day in those miserable conditions we thought on designing something very optimal, which can accommodate the average family (6-7) people.
Although, we are yet to find financial support to bluid the first prototype we are all the more grateful for the many feedbacks we received from local craftsmen, and their promises to get involve in construction and freely train people of the community to self-build their homes.
Potential site visit for drone footage; project team and villagers

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Image gallery
Artist impression

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Government official meeting the victims

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Rescue effort by the people

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Picture of the site after landslide

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Victims leaving the site to unknown destination

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Technical drawings
Proposed Master Plan

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Initial Prototype

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Final prototype (Cover)

image: Florian Mouafo | © all rights reserved
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Floor Plan

image: Florian Mouafo | © all rights reserved
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Roof

image: Florian Mouafo | © all rights reserved
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Technical Specs

image: Florian Mouafo | © all rights reserved
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Section 1-1

image: Florian Mouafo | © all rights reserved
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Section 2-2

image: Florian Mouafo | © all rights reserved
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West Elevation

image: Florian Mouafo | © all rights reserved
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North-Elevation

image: Florian Mouafo | © all rights reserved
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Help bring our project to life!

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Help bring our project to life!
Where are we now
In terms of support we need materials such as plywood to make formworks for the rammed earth, bamboo and thatched suppliers. we need a local supplier for manifacturing and maintening electrical components such as water-pump and baterries for photovoltaic panels. We equally need support for trainning unemployed youth to the techniques of constrction. The aim is to create an ecomy around this type of construction to self-sustain the locality. 
An indication of our team’s capacity:
50% expertise already found
10% materials / equipment already found
20% builders already found
Finance: € 9,000
Our goal is to make descent accommodation as cheep as possible, in general to build a 3 bedrooms house on a 200 sqm land would cost around €20,000 in Cameroon, this is inaccesssible to 80% of the population, but if we proposed a solution to descent accommodation to a price lower than €9,000 we are sure to accommodate around 60% of the population within 5 years and to provide them with descent jobs.
  • Training
5,000
  • Material for first prototype
3,000
  • Tools and framework
1,000
Stuff: Equipment & tools, Materials
We need transportation for clay, bamboo and thatched. We need to buy cement to stabilise the aggregate, we need nails, and wood to build the framework, doors, and windows.
Rammed earth, prototype wall and mixture

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Hands
We need 3-4 labourers for manual works such as mixing the aggregate, and ramming the earth into the formwork. Each home will need a carpenter, and a mason, thus 6 workers per unit for a period of 3-4 weeks in average. We inted to build 100 units within 6 months if many people volonteer. The project itself is a worskhop to train unemployed members of the community to build and maintain their homes, and eventually create jobs for them.
Ramming process

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Help bring our project to life!
Location
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