laurie baker appropriate building technolog
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Appropriate Building Technology in Pithoragarh
Written by Laurie Baker
Distinctive architectural styles were not designed by some famous ancient
architect who decreed that a certain style will be used in Japan and a certainother style will be used in Peru and yet another style in Punjab. The upturned,
horned roofs of buildings as found in Kerala, China and Japan arc the direct
result of the people of those places making use of the most common, plentiful,
useful material: bambooto house and protect them from natural enemies
such as sun, rain, hurricanes and wind. A completely different set of styles has
evolved in hot, dry, treeless, desert areas, as in parts of Egypt, Iran and India;
in almost every district in the world these natural styles have grown to the
patterns that could be seen in the first half of this century.
Our 'backward' ancestors had learned how to live with and cope with the
problems of climate. They had teamed that a pitched or a sloping roof lessened
the effects of all these hazards. They knew the movements of air currents andplaced their wall openings almost at ground level. They knew that hot air rises
and allowed it to travel upwards from the low eaves to the openings at the ends
of the high ridge. They understood and applied principles of insulation; their
roofing materials formed hollow cellular protective layers and their storage
spaces provided insulation from the midday sun. They had understood that wall
surfaces can absorb and retain just as much heat as a roof surface, so they
kept these walls as small in area as possible and never left them unprotected.
They knew that eye-strain from working out in the sun could be alleviated by
rest in an area where glare was eliminated and they used smooth, hard, light-
coloured surfaces sparingly and left the natural materialswood, laterite,
brick, stoneexposed. Their practical knowledge of the properties of these
differing building materials was amazing. They knew, for instance, how todesign their timber and wood work to avoid warping, twisting and cracking.
Village planning and site utilization were equally functional and delightfully
simple. Usually there were rows (terraces) of houses all joined together with
common dividing partition walls; sometimes when anywhere from three to ten
or twelve brothers lived in such a row of houses, the front veranda was
common to all. These multi-housed rows of dwellings were usually under one
big long common roof. The row followed the contours wherever possible, and
as a consequence was sometimes curved. The row of houses was usually sited
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Page 1 of 2Appropriate Building Technology in Pithoragarh
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to overlook the terraced fields below, to catch the sunshine, and to get
protection from rain, snow and cold winds from the forest or steep hillside
behind. The foundations were almost invariably built on stone straight off solid
rocka foundation of Mother Earth herself. Very rarely did the people use
earth that could be terraced or cultivated, but they chose their building sites
along rocks, ridges or spurs of the mountains where cultivation would be
impossible. Their foundation problems were therefore nil, and the rock they
quarried for building the foundation and basement walls was split or blastedout from the same bed rock on which they would build. I never saw any rubble
being carried more than a hundred yards and, of course, it was all carried on
someone's head.
The superstructure walls were also built of the same quarried-on-the spot
stone. Sometimes it was big and square and chunky, in other places it was
more like thick slate in large sheets or slabs only a few inches thick. And of
course it was all built in mud mortar. The walls were heaped on the inside with
mud, or mud and cow-dung, or lime mortar or plaster. Sometimes the outside-
Was left as it was, or, sometimes, it too was treated with some sort of lime
plaster. Doors and windows were often of delightfully shaped and simply
carved woodwork using chir-pine or deodar, or occasionally some other local
country wood such as tuni. But this timber was always found within a few
hundred yards, or at most a mile or two, of the house being constructed.
The wood for the roofs was extravagantly lavish in size. Whole tree trunks
were used for the ridge-pole and purlins and trusses. Again, all these roofing
materials were close at hand. Occasionally a wealthier person would send a
few miles for a thinner quality of slate which could be shaped and squared, but
this was their form of showing off and was not a necessity and fortunately not
often indulged in. This whole roof construction over the wall construction, was
completely adequate to cope with the climatic extremes of heat and dryness in
summer, with the violent rain storms, and with the (heavy snow in the winter.
Copyright: The Baker Family, 2007. All Rights Reserved.
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