sasbe2009 paper sustainability lessons from traditional buildings in north africa - the public...

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SUSTAINABILITY LESSONS FROM TRADITIONAL BUILDINGS IN NORTH AFRICA THE PUBLIC BATHHOUSES: “HAMMĀMS” Fodil FADLI MA (Architecte d’Etat ), Ph.D 1  2 Magda SIBLEY BA, MA, Ph.D  Keywords: Hammām, Sustainability lessons, traditional building, vernacular architecture, low energy design, sustainable design. Abstract The Islamic bathhouse; hammām, is a traditional building type which has played an important role in providing a key washing facility for the population living in the North African médinas. It was also used to play important socio-economic and environmental roles within each neighbourhood and was associated with a rich intangible heritage . As a building type, the hammām has evolved from the small Roman Bath or Balnéa and relies heavily on key services such as water distribution and drainage as well as heating systems. The water is traditionally heated in the furnace, the steam is released into the hot room and the smoke and heat from the furnace travel under the floor (through a hypocaust) providing an efficient heating system for the bathing spaces. Architecturally, the Islamic public baths present a rich variety of spaces following a sequential organization of spaces; from cold to warm to hot rooms, passing by intermediate thermal zones. Hammām buildings constitute the perfect illustration for architecture of liminality . They also present ingenious vernacular construction techniques of domes and vaults using local building materials with high thermal mass, renders and plasters that respond to varying levels of heat and humidity. At the urban scale, hammāms occupy irregular plots of land and are well embedded into the traditional urban fabric of the medina. Their furnace used to act as neighbourhood recycling centre for local by-products such as wood chippings, olive stones and combustible rubbish. Based on surveys carried out by the authors on the historic hammāms of Cairo, Tripoli, Tunis and Marrakesh, the paper highlights the valuable lessons of sustainable architecture that this building type provides. A number of design guidelines are proposed on the basis of the challenges facing the hamm ām today and the opportuni ties it presents for the development of contemporary sustainab le public baths in the 21st Century. 1. Introduction In a rapidly cha nging, “glo balized” world, a ll existing tradition al institutions a re being ch allenged. In developing countries and traditional societies these new outside pressures can be quite threatening to established values and ways of life. It is increasingly acknowledged that the most harmful and most dangerous contributions to the “un-sustainability” of the planet have come from the most “advanced” developed countries. On the other hand, developing countries that have not yet fully succumbed or fully succeeded in adopting the Western program of globalization are still producing the lowest per capita load on the environment. Hence they are still considered as supporting “sustainab ility and sustainable development” (Cole, 2005). What is largely missing from the “development issue” is that these traditional cultures, having developed over centuries and having retained many of their original patterns and structures, are a lot closer to a sustainable relationship with their socio-cultural, economic and natural environments than are modern “advanced” nations. 1  School of Architecture, University of Liverpool, Liverpool, UK, [email protected]  2  School of Architecture, University of Liverpool, Liverpool, UK, [email protected]  

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It is clear that the hamm ā m as a traditional building type offers a number of sustainability concepts andprinciples in terms of construction, heating system, water use, natural ventilation and day lighting. Eventhough regional variations exist, and which we could not target in this short study, there are commonopportunities that can be developed based on the four classic elements (water, air, fire and earth) aroundwhich the architectural analysis developed, such as water storage and management and the use of solar energy at the scale of a neighbourhood. Today, the survival of these historic structures is jeopardized, not

only by the lack of awareness of their historical importance, but also by the lack of appropriate restorationpractices with a clear re-use plan. Safeguarding this building will help creating a basis for Built Environmentprofessionals in general and architects in particular to promote traditional wisdom in contemporary and futuredevelopments.

AcknowledgementsThe authors wish to thank the Arts and Humanities Research Council (AHRC) in the U.K. for funding theresearch project “The Historic Hamm ā ms of North Africa and their survival into the 21st century”.

Note, The International Journal of Middle Eastern Studies IJMES transliteration system has been used in this paper.

References

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Fadli, F & Sibley M (2008) The Historic Hamm ā ms of Cairo: Safeguarding a Vanishing Heritage. Journal of Architectural Conservation , Vol.14-N3, November 2008, Donhead. Dorest, UK. pp 59-80.

Fadli, F. and Sibley, M. (2008) `The Restoration of Hamm ā ms in Cairo: How sustainable is it?' in Proceedings of theHeritage 2008 International Conference - World Heritage and Sustainable Development, Vila Nova de Foz Coà a,Portugal , 7-9 May 2008.

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Sibley, M., (2006) `The historic hamm ā ms of Damascus & Fez: Lessons of sustainability and future developments’, inProceedings of The 23rd Conference on Passive and Low Energy Architecture (PLEA), Geneva, Switzerland, 6-8September 2006.

Sibley, M & Fadli, F. (2008) ‘The surviving historic hammams of the medina of Tripoli-Libya: Tangible and Intangibledimensions’, in International Journal of Architectural Research-Archnet-IJAR , V2, Issue 3- November 2008, pp.93-108.

Tschumi, B. (1983) “Sequences.” in The Princeton Journal. Thematic Studies in Architecture, Volume One: Ritual .Princeton: The Princeton Architectural Press, 1983. pp 29-37.