Sustainable Housing for Rural Families in Africa

 
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$37,653
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Mar 2, 2011

AVN's Program in Senegal

The main entrance to the Centre
The main entrance to the Centre

Until recently, the main thrust of AVN's work has been in Burkina Faso, and over the border in neighbouring regions of southern Mali. But three years ago, we started getting requests from several organisations for sending trained VN master masons from Burkina Faso to work on projects in Senegal.

Of these requests, the most important has been in the region of Matam in north-eastern Senegal: the construction of a technical training centre and annexes (La maison des énergies) in Thiangol, close to the Senegal river, launched in January 2009, with financial sponsorship from the Communauté de Communes Val de Drôme (CCVD), France. AVN has provided a core  team of masons from Burkina Faso, led by VN master mason Camille Sanon, to build the centre and train local apprentices. The main purpose of this centre is to provide training and support for villagers in conservation of the environment of the river basin, renewable energy sources, and local making of tools and other products. The centre includes workshops, meeting rooms, offices, and accommodation units, and the major construction work is now more or less completed (see photos below). Although this project falls outside the main focus of AVN's work, namely to support the construction of houses for villagers, it is serving two very important functions:

- introducing the VN technique to a new region of the Sahel, and demonstrating that the technique is viable and sustainable

- providing a training site for apprentices from local villages and from elsewhere in Senegal, who themselves will spread the technique, recruit apprentices of their own, and kick-start a market for rural housing.

As an example of this last point, in March 2010, in Dakar, Haidar el Ali, President of l’Océanium , and AVN signed a partnership agreement to open a pilot village program in the zone of Kolda, in upper Casamance. Hamidou Diallo, Océanium coordinator in this region, will be project manager for this programme over the next four years. At the moment, a number of apprentice masons from Kolda are undergoing on-site training at the CCVD/AVN project at Thiangol (see photo below). A further 12 apprentices from the the region of Thies, 50 km from Dakar, have also been working on the Thiangol project, and will be returning home soon to start a program in villages close to Thies.

Any support you can provide to help support the new apprentices in Senegal in becoming independent entrepreneurs providing sustainable and safe housing in their villages will be very welcome....

The main building
The main building
The conference hall
The conference hall
Meeting room interior
Meeting room interior
Accommodation units
Accommodation units
External rendering
External rendering
Roof view
Roof view
Apprentices from Kolda training in Thiangol
Apprentices from Kolda training in Thiangol

Links:

Nov 25, 2010

7.5 kilometers (= 4.7 miles) of vaults built!

NV House 1
NV House 1

This autumn, we have had the resources, for the first time, to undertake a full and accurate analysis of the results of our program since its start in 2000. Here are some of the key points:

- if all the vaults built since 2000 in Burkina Faso, Mali, and Senegal by masons trained by AVN were placed end-to-end, their total length would be 7.5 km , or 4.7 miles, equal to a total area of around 20,000 square meters (a standard NV vault has an internal width of 3.25 meters),

- in total, 176 masons have been trained, with a further 230 currently on apprenticeships,

- the program has directly benefited some 7,800 people (clients and their families, masons, apprentices, laborers...)

- 400,200 $ worth of local salaries have been generated by the program,

- 2,000 tonnes of CO2-equivalent have been saved, as compared to the usual alternative construction methods,

- a new program has been successfully opened in Zambia, southern Africa.

Growth of the program has been very significant during the 2009/10 building season, especially in Burkina Faso and Mali, with 11 new Pilot Village Deployment Programs (PVDP) opened, each one centred around a cluster of villages, with a local 'champion' (a community leader, for example) spear-heading the promotion of NV houses, and bringing in a team of NV masons to train local apprentices and build the first houses. Amongst the photographs with this report are examples of typical two-vault village houses built as part of these DPVP's.To cope with the increased level of activity, the team at AVN's HQ in Boromo, Burkina Faso has been expanded to 8 people now (see photo).

The three-vault church in Petit-Balé, near Boromo, has now had a magnificent bell-tower added to it (see photo)

The AVN show house at this years Salon International de l'Artisanat (SIAO), held in the Burkina Faso capital of Ougadougou in the first week of November attracted some 4,000 visitors (see photo) and two teams of NV masons on our stand signed up future clients for NV houses.

And... we recently received images of the first NV house to cross the Atlantic! In the Spring of 2009, Stevan de la Rosa, a young Mexican, spent several months learning the NV technique in Boromo in 2009. I include a photo of the first NV building he has constructed with a team from a rural educational project in San Isidro, in the centre of Mexico. The building has two rooms, one for storing seed, the other for tools. More NV buildings are planned ...

So, that's a quick summary of the latest news. Many thanks again to all of you who are supporting our work - but there's still a long way to go before we can make a really significant impact on improving housing conditions for all the poor rural families in sub-Saharan Africa.

Tony Kaye

NV House 2
NV House 2
NV House 3
NV House 3
NV House 4
NV House 4
NV House 5
NV House 5
Petit Balé church with bell tower
Petit Balé church with bell tower
A NV shop
A NV shop
AVN Show House at the SIAO
AVN Show House at the SIAO
The AVN team in Boromo
The AVN team in Boromo
AVN
AVN's office in Boromo
The first NV building in Mexico
The first NV building in Mexico
Aug 27, 2010

Baaba Maal and Alpha Blondy support AVN

Baaba Maal with Antoine Horellou and Pascal Imbert
Baaba Maal with Antoine Horellou and Pascal Imbert

AVN’s Director of Development, Antoine Horellou, met World Music stars Baaba Maal (from Senegal) and Alpha Blondy (from Ivory Coast) at the 'Festival du Bout du Monde’ in Crozon, Brittany, France, on August 8th (see photos below)

This was our third contact with the famous Senegalese musician Baaba Maal, who had just returned from a successful tour of venues in the USA and the UK : Tony Kaye (AVN Management Committee) met Baaba Maal in London last December, and Thomas Granier (AVN Director of Operations) also met up with him earlier this year in Senegal. Baaba Maal would like to build a Cultural Centre using the VN technique in his home town of Podor. He has also offered to produce a song / video-clip for AVN, and to introduce AVN’s work to fellow Senegalese singer Youssou N’Dour, and the famous Malian musicians Salif Keita and Rokia Traoré.

Alpha Blondy (below), known as Africa’s ’King of Reggae’ , and also Ivory Coast’s UN Peace Ambassador, has offered to promote AVN to his contacts, and through his website.

This is a great tribute to the work of AVN, to be receiving the support of these artists, whose music is listened to on transistor radios in nearly every village in West Africa, and whose political stance (in many of their songs) has made them very popular with the poorest sections of urban and rural society in the region.

Many thanks to Suzette Newman, of Palm Pictures in London, and Pascal Imbert, for helping arrange our meetings with Baaba Maal.

AVN flyer with a dedication from Baaba Maal
AVN flyer with a dedication from Baaba Maal
Alpha Blondy with AVN Annual Report
Alpha Blondy with AVN Annual Report

Links:

Jul 16, 2010

Significant carbon savings of VN buildings

A report by experts at the London office of Environmental Resources Management (ERM), based on data provided by AVN staff in Boromo, indicates that a typical NV house of 25m2 floor space makes a saving of 2.0 tonnes of CO2- equivalents (CO2e) compared to the available alternative construction methods. Since the start of the AVN ’Earth roofs in the Sahel’ programme, one can estimate total savings of over 2,000 tonnes of CO2e. So the AVN Program, building houses with a very low 'carbon footprint' is making a small, but significant positive impact on the environment - an impact which will strengthen as the Program expands...

You can read below the summary report by ERM on the carbon footprint of NV houses.

SUMMARY

" A streamlined high-level carbon footprint assessment has been undertaken for AVN comparing production of four different housing types of 25m2 in size and providing a comparison to the production of Nubian Vault (NV) houses. Environmental Resources Management (ERM), a leading global provider of sustainability consulting and assurance services, has provided AVN with a pro-bono assessment of the carbon impact of the NV construction technique. Using data on village houses of 25 m2 provided by AVN field staff in Boromo, Burkina Faso, the calculations suggest that each NV house built can result in savings of approximately 2 tonnes of CO2 equivalents (CO2e) as compared to the current alternatives.

The carbon footprint of an NV house of 25 m2 is orders of magnitude lower than the alternatives, primarily due to the use of natural resources from surrounding areas in its construction and its extended lifetime. The approximate footprint of each housing type is: - 40 kg CO2e for an NV house (50 year lifetime) - 4,600 kg CO2e for a concrete wall + metal roof house (25 year lifetime) - 2,000 kg CO2e for an earth wall + metal roof house (10 year lifetime) - 700 kg CO2e for a traditional earth + timber roof house (10 year lifetime).

By the end of the 2009/10 building season, NV masons will have built the equivalent of 1,000 25 m2 vaults, mainly in rural areas. This implies that the carbon savings of the VN construction method since the start of our programme can be estimated at a total savings of at least 2,000 tonnes of CO2e. In fact, the figure is probably higher, as a proportion of these vaults have been built in urban and peri-urban areas, replacing a higher percentage of ‘modern’ metal-roofed buildings with concrete and cement mortar (rather than mud brick) walls.

METHODOLOGY, ASSUMPTIONS, AND DATA LIMITATIONS

A streamlined carbon footprinting approach was employed in this study which is based upon methods outlined for undertaking life cycle assessment (LCA) studies in ISO 14040 and ISO 14044. A streamlined carbon footprint or LCA seeks to shortcut the full process by limiting the scope of the study (i.e. carbon in this case), the impacts assessed and/or by judicious use of generic data and assumptions, delivering results more quickly and using fewer resources.

The carbon footprint results and savings calculated by ERM are calculated using a high-level assessment and are useful as an indication of the carbon burden of each housing type over its lifetime. This calculation has been based on the following assumptions: · In rural areas, in the absence of NV construction, 60% of houses would normally have earth walls and sheet metal roofs, 15% would have concrete block walls, using cement mortar, and sheet metal roofs, and the remaining 25% are traditional earth wall and timber roof houses, · Metal roofs and timber roofs need replacing every 7 years, that the average lifetime of a traditional house and a house with earth walls and a sheet metal roof is 10 years, and that of a house with concrete block walls and a sheet metal roof is 25 years · The estimated lifetime of a properly maintained NV house is 50 years (the structure and solidity of the roof, combined with stronger foundations and much thicker walls, explain the longer expected lifetime as compared to the alternatives). · The carbon footprint results and savings are based entirely upon production and lifetime data provided by AVN. Variations in this data significantly effect the results. · All housing construction is assumed to be undertaken using entirely manual labour and is assigned a carbon footprint burden of zero. · All locally sourced natural materials such as earth, clay, sand, gravel, stone and water are assigned zero burden. · The maintenance on a house considers the burden of replacement materials such as sheet steel, timber and plastic lining and not that of the actual maintenance process. · Where relevant, such as for natural resources, steel or timber, recycling or reuse has been assumed for the material when disposed and the materials disposal is assigned a burden of zero. · Concrete is comprised mainly of cement, water, sand and gravel. All ingredients except cement are assumed to be sourced locally and have no burden. The concrete is based upon Portland cement and assumed to be imported. · Fasoplast is estimated as having similar production burdens to PVC and is required to be transported an estimated distance of 1000 km. · Biogenic carbon is excluded from the results. · Transport of waste material to recycling, landfill or general disposal at end-of-life isexcluded. · Lorry transport within Africa is assumed to be using a lorry size less than 16 tonnes. · Emission factors used to calculate the carbon footprint of each life cycle stage have been based upon the ICE database for construction materials & Defra transport emission factors, using characterisation factors according to the IPCC 2007 data for a 100 year time horizon. · Biogenic carbon is carbon stored or released by natural non-fossil based sources. This has been excluded from the study as sequestration and release of biogenic carbon is assumed to occur in a cycle less than the 100 year time horizon considered

REFERENCES

- Defra: 2009 Guidelines to Defra / DECC's GHG Conversion Factors for Company Reporting (http://www.defra.gov.uk/environment/business/reporting/pdf/20090928-guidelines-ghgconversion-factors.pdf) - ICE database: `University of Bath: Inventory of Carbon and Energy (ICE) Version 1.6a, Prof Geoff Hammond and Craig Jones, 2008 (https://wiki.bath.ac.uk/display/ICE/Home+Page )

ABOUT ERM

Environmental Resources Management (ERM) is a leading global provider of sustainability consulting and assurance services. They deliver innovative solutions for business and government clients, helping them understand and manage their impacts on the world around them. ERM has 137 offices in 39 countries and employs approximately 3,300 staff. The ERM Foundation was established to harness the enthusiasm and expertise of ERM’s consultants to provide pro-bono and fundraising support for environmental and carbon reduction initiatives around the world."

Links:

Jul 14, 2010

The Organic Approach

We arrived in Boromo and were picked up by Seri, the Co-Founder of the Association la Voute Nubienne (AVN), and were given our first taste what the project does when we arrived at our hotel. The hotel, owned by Seri, was created as practice buildings when Association la Voute Nubienne was working with its first group of master masons. We were later taken to see a school, church, and house, which were built in a nearby community.

The organization takes a very organic approach. They have several cultural coordinators whose job it is go into villages and work with the communities to sensitize citizens to the benefits of the Nubian style houses with earthen roofs, which include minimizing deforestation for wood roofs, saving money from importing tin roofs, and the temperature control Nubian roofs provide. After some time, if at least 5 families show interest in having a house constructed, a team of five masons will be assembled. The masons are ranked by skill level, four being a master mason. There are always two, level-one masons on the team and they are people from the village where the house is being constructed whom are interested in learning the trade. Over time they work their way up the ranking, themselves becoming master masons and potentially starting work in a new village.

Irene, the Assistant Director of AVN, told us that the end goal is for there to no longer be a need for AVN, because as more people realize the benefits of these houses and demand grows, the number of masons will be expanding as well. This model is not only meant to spread more sustainable houses, but also create jobs for those interested in learning masonry. The organization has taken a sustainable approach to introducing a new style of superior architecture to help protect the environment and improve lives of citizens of Burkina Faso.

Sarah and four other In-the-Field Travelers visited more than 30 GlobalGiving projects in Mali, Togo, Burkina Faso, and Ghana. Follow their adventures at http://itfwa.wordpress.com/.

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Project Leader

Tony Kaye

Milton Keynes, n/a United Kingdom

Where is this project located?

Map of Sustainable Housing for Rural Families in Africa